diff options
Diffstat (limited to 'src/kernel')
92 files changed, 14747 insertions, 0 deletions
diff --git a/src/kernel/altitude.h b/src/kernel/altitude.h new file mode 100644 index 00000000..a278bbc6 --- /dev/null +++ b/src/kernel/altitude.h @@ -0,0 +1,132 @@ +/*max error 3.197865153490684 at 0.782%. Average error 0.260150920474668*/ +#define NALT 129 +#define ALT_FRAC_BITS 8 + 15835, /* 10.56 kPa 0.000% */ + 15332, /* 11.42 kPa 0.781% */ + 14868, /* 12.29 kPa 1.563% */ + 14435, /* 13.16 kPa 2.344% */ + 14030, /* 14.02 kPa 3.125% */ + 13649, /* 14.90 kPa 3.906% */ + 13290, /* 15.76 kPa 4.688% */ + 12950, /* 16.63 kPa 5.469% */ + 12627, /* 17.50 kPa 6.250% */ + 12320, /* 18.37 kPa 7.031% */ + 12027, /* 19.24 kPa 7.813% */ + 11747, /* 20.10 kPa 8.594% */ + 11479, /* 20.97 kPa 9.375% */ + 11222, /* 21.84 kPa 10.156% */ + 10975, /* 22.71 kPa 10.938% */ + 10736, /* 23.58 kPa 11.719% */ + 10504, /* 24.44 kPa 12.500% */ + 10278, /* 25.31 kPa 13.281% */ + 10059, /* 26.18 kPa 14.063% */ + 9846, /* 27.05 kPa 14.844% */ + 9638, /* 27.91 kPa 15.625% */ + 9435, /* 28.78 kPa 16.406% */ + 9237, /* 29.65 kPa 17.188% */ + 9044, /* 30.52 kPa 17.969% */ + 8855, /* 31.39 kPa 18.750% */ + 8670, /* 32.26 kPa 19.531% */ + 8490, /* 33.13 kPa 20.313% */ + 8313, /* 33.99 kPa 21.094% */ + 8140, /* 34.86 kPa 21.875% */ + 7970, /* 35.73 kPa 22.656% */ + 7803, /* 36.60 kPa 23.438% */ + 7640, /* 37.47 kPa 24.219% */ + 7480, /* 38.33 kPa 25.000% */ + 7322, /* 39.20 kPa 25.781% */ + 7168, /* 40.07 kPa 26.563% */ + 7016, /* 40.94 kPa 27.344% */ + 6867, /* 41.80 kPa 28.125% */ + 6720, /* 42.67 kPa 28.906% */ + 6575, /* 43.54 kPa 29.688% */ + 6433, /* 44.41 kPa 30.469% */ + 6294, /* 45.28 kPa 31.250% */ + 6156, /* 46.15 kPa 32.031% */ + 6020, /* 47.01 kPa 32.813% */ + 5887, /* 47.88 kPa 33.594% */ + 5755, /* 48.75 kPa 34.375% */ + 5625, /* 49.62 kPa 35.156% */ + 5497, /* 50.49 kPa 35.938% */ + 5371, /* 51.35 kPa 36.719% */ + 5247, /* 52.22 kPa 37.500% */ + 5124, /* 53.09 kPa 38.281% */ + 5003, /* 53.96 kPa 39.063% */ + 4883, /* 54.83 kPa 39.844% */ + 4765, /* 55.69 kPa 40.625% */ + 4648, /* 56.56 kPa 41.406% */ + 4533, /* 57.43 kPa 42.188% */ + 4419, /* 58.30 kPa 42.969% */ + 4307, /* 59.17 kPa 43.750% */ + 4196, /* 60.03 kPa 44.531% */ + 4086, /* 60.90 kPa 45.313% */ + 3977, /* 61.77 kPa 46.094% */ + 3870, /* 62.63 kPa 46.875% */ + 3764, /* 63.51 kPa 47.656% */ + 3659, /* 64.38 kPa 48.438% */ + 3555, /* 65.24 kPa 49.219% */ + 3453, /* 66.11 kPa 50.000% */ + 3351, /* 66.98 kPa 50.781% */ + 3250, /* 67.85 kPa 51.563% */ + 3151, /* 68.72 kPa 52.344% */ + 3052, /* 69.58 kPa 53.125% */ + 2955, /* 70.45 kPa 53.906% */ + 2858, /* 71.32 kPa 54.688% */ + 2763, /* 72.19 kPa 55.469% */ + 2668, /* 73.06 kPa 56.250% */ + 2574, /* 73.92 kPa 57.031% */ + 2482, /* 74.79 kPa 57.813% */ + 2390, /* 75.66 kPa 58.594% */ + 2298, /* 76.52 kPa 59.375% */ + 2208, /* 77.40 kPa 60.156% */ + 2119, /* 78.26 kPa 60.938% */ + 2030, /* 79.13 kPa 61.719% */ + 1942, /* 80.00 kPa 62.500% */ + 1855, /* 80.87 kPa 63.281% */ + 1769, /* 81.74 kPa 64.063% */ + 1683, /* 82.60 kPa 64.844% */ + 1598, /* 83.47 kPa 65.625% */ + 1514, /* 84.34 kPa 66.406% */ + 1430, /* 85.21 kPa 67.188% */ + 1347, /* 86.08 kPa 67.969% */ + 1265, /* 86.94 kPa 68.750% */ + 1184, /* 87.81 kPa 69.531% */ + 1103, /* 88.68 kPa 70.313% */ + 1023, /* 89.55 kPa 71.094% */ + 943, /* 90.41 kPa 71.875% */ + 864, /* 91.28 kPa 72.656% */ + 786, /* 92.15 kPa 73.438% */ + 708, /* 93.02 kPa 74.219% */ + 631, /* 93.89 kPa 75.000% */ + 554, /* 94.76 kPa 75.781% */ + 478, /* 95.63 kPa 76.563% */ + 403, /* 96.49 kPa 77.344% */ + 328, /* 97.36 kPa 78.125% */ + 254, /* 98.23 kPa 78.906% */ + 180, /* 99.10 kPa 79.688% */ + 106, /* 99.97 kPa 80.469% */ + 34, /* 100.83 kPa 81.250% */ + -39, /* 101.70 kPa 82.031% */ + -111, /* 102.57 kPa 82.813% */ + -182, /* 103.44 kPa 83.594% */ + -253, /* 104.30 kPa 84.375% */ + -323, /* 105.17 kPa 85.156% */ + -393, /* 106.04 kPa 85.938% */ + -462, /* 106.91 kPa 86.719% */ + -531, /* 107.78 kPa 87.500% */ + -600, /* 108.65 kPa 88.281% */ + -668, /* 109.51 kPa 89.063% */ + -736, /* 110.38 kPa 89.844% */ + -803, /* 111.25 kPa 90.625% */ + -870, /* 112.12 kPa 91.406% */ + -936, /* 112.99 kPa 92.188% */ + -1002, /* 113.85 kPa 92.969% */ + -1068, /* 114.72 kPa 93.750% */ + -1133, /* 115.59 kPa 94.531% */ + -1198, /* 116.46 kPa 95.313% */ + -1262, /* 117.33 kPa 96.094% */ + -1326, /* 118.19 kPa 96.875% */ + -1389, /* 119.06 kPa 97.656% */ + -1453, /* 119.93 kPa 98.438% */ + -1516, /* 120.80 kPa 99.219% */ + -1578, /* 121.67 kPa 100.000% */ diff --git a/src/kernel/ao.h b/src/kernel/ao.h new file mode 100644 index 00000000..29ad2603 --- /dev/null +++ b/src/kernel/ao.h @@ -0,0 +1,1041 @@ +/* + * Copyright © 2009 Keith Packard <keithp@keithp.com> + * + * This program is free software; you can redistribute it and/or modify + * it under the terms of the GNU General Public License as published by + * the Free Software Foundation; version 2 of the License + * + * This program is distributed in the hope that it will be useful, but + * WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU + * General Public License for more details. + * + * You should have received a copy of the GNU General Public License along + * with this program; if not, write to the Free Software Foundation, Inc., + * 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA. + */ + +#ifndef _AO_H_ +#define _AO_H_ + +#include <stdint.h> +#include <stdio.h> +#include <string.h> +#include <stddef.h> +#include <ao_pins.h> +#include <ao_arch.h> + +#define TRUE 1 +#define FALSE 0 + +/* Convert a __data pointer into an __xdata pointer */ +#ifndef DATA_TO_XDATA +#define DATA_TO_XDATA(a) (a) +#endif +#ifndef PDATA_TO_XDATA +#define PDATA_TO_XDATA(a) (a) +#endif +#ifndef CODE_TO_XDATA +#define CODE_TO_XDATA(a) (a) +#endif + +#ifndef HAS_TASK +#define HAS_TASK 1 +#endif + +#ifndef AO_PORT_TYPE +#define AO_PORT_TYPE uint8_t +#endif + +typedef AO_PORT_TYPE ao_port_t; + +#if HAS_TASK +#include <ao_task.h> +#else +#include <ao_notask.h> +#endif + +/* + * ao_panic.c + */ + +#define AO_PANIC_NO_TASK 1 /* AO_NUM_TASKS is not large enough */ +#define AO_PANIC_DMA 2 /* Attempt to start DMA while active */ +#define AO_PANIC_MUTEX 3 /* Mis-using mutex API */ +#define AO_PANIC_EE 4 /* Mis-using eeprom API */ +#define AO_PANIC_LOG 5 /* Failing to read/write log data */ +#define AO_PANIC_CMD 6 /* Too many command sets registered */ +#define AO_PANIC_STDIO 7 /* Too many stdio handlers registered */ +#define AO_PANIC_REBOOT 8 /* Reboot failed */ +#define AO_PANIC_FLASH 9 /* Invalid flash part (or wrong blocksize) */ +#define AO_PANIC_USB 10 /* Trying to send USB packet while busy */ +#define AO_PANIC_BT 11 /* Communications with bluetooth device failed */ +#define AO_PANIC_STACK 12 /* Stack overflow */ +#define AO_PANIC_SPI 13 /* SPI communication failure */ +#define AO_PANIC_CRASH 14 /* Processor crashed */ +#define AO_PANIC_BUFIO 15 /* Mis-using bufio API */ +#define AO_PANIC_EXTI 16 /* Mis-using exti API */ +#define AO_PANIC_FAST_TIMER 17 /* Mis-using fast timer API */ +#define AO_PANIC_SELF_TEST_CC1120 0x40 | 1 /* Self test failure */ +#define AO_PANIC_SELF_TEST_HMC5883 0x40 | 2 /* Self test failure */ +#define AO_PANIC_SELF_TEST_MPU6000 0x40 | 3 /* Self test failure */ +#define AO_PANIC_SELF_TEST_MS5607 0x40 | 4 /* Self test failure */ + +/* Stop the operating system, beeping and blinking the reason */ +void +ao_panic(uint8_t reason); + +/* + * ao_timer.c + */ + +#ifndef AO_TICK_TYPE +#define AO_TICK_TYPE uint16_t +#define AO_TICK_SIGNED int16_t +#endif + +extern volatile __data AO_TICK_TYPE ao_tick_count; + +/* Our timer runs at 100Hz */ +#ifndef AO_HERTZ +#define AO_HERTZ 100 +#endif +#define AO_MS_TO_TICKS(ms) ((ms) / (1000 / AO_HERTZ)) +#define AO_SEC_TO_TICKS(s) ((s) * AO_HERTZ) + +/* Returns the current time in ticks */ +AO_TICK_TYPE +ao_time(void); + +/* Suspend the current task until ticks time has passed */ +void +ao_delay(uint16_t ticks); + +/* Set the ADC interval */ +void +ao_timer_set_adc_interval(uint8_t interval); + +/* Timer interrupt */ +void +ao_timer_isr(void) ao_arch_interrupt(9); + +/* Initialize the timer */ +void +ao_timer_init(void); + +/* Initialize the hardware clock. Must be called first */ +void +ao_clock_init(void); + +/* + * ao_mutex.c + */ + +#ifndef ao_mutex_get +void +ao_mutex_get(__xdata uint8_t *ao_mutex) __reentrant; + +void +ao_mutex_put(__xdata uint8_t *ao_mutex) __reentrant; +#endif + +/* + * ao_cmd.c + */ + +enum ao_cmd_status { + ao_cmd_success = 0, + ao_cmd_lex_error = 1, + ao_cmd_syntax_error = 2, +}; + +extern __pdata uint16_t ao_cmd_lex_i; +extern __pdata uint32_t ao_cmd_lex_u32; +extern __pdata char ao_cmd_lex_c; +extern __pdata enum ao_cmd_status ao_cmd_status; + +void +ao_put_string(__code char *s); + +void +ao_cmd_lex(void); + +void +ao_cmd_put8(uint8_t v); + +void +ao_cmd_put16(uint16_t v); + +uint8_t +ao_cmd_is_white(void); + +void +ao_cmd_white(void); + +int8_t +ao_cmd_hexchar(char c); + +void +ao_cmd_hexbyte(void); + +void +ao_cmd_hex(void); + +void +ao_cmd_decimal(void) __reentrant; + +/* Read a single hex nibble off stdin. */ +uint8_t +ao_getnibble(void); + +uint8_t +ao_match_word(__code char *word); + +struct ao_cmds { + void (*func)(void); + __code char *help; +}; + +void +ao_cmd_register(const __code struct ao_cmds *cmds); + +void +ao_cmd_init(void); + +#if HAS_CMD_FILTER +/* + * Provided by an external module to filter raw command lines + */ +uint8_t +ao_cmd_filter(void); +#endif + +/* + * Various drivers + */ +#if HAS_ADC +#include <ao_adc.h> +#endif + +#if HAS_BEEP +#include <ao_beep.h> +#endif + +#if LEDS_AVAILABLE +#include <ao_led.h> +#endif + +#if HAS_USB +#include <ao_usb.h> +#endif + +#if HAS_EEPROM +#include <ao_storage.h> +#endif + +#if HAS_LOG +#include <ao_log.h> +#endif + +#if HAS_FLIGHT +#include <ao_flight.h> +#include <ao_sample.h> +#endif + +/* + * ao_report.c + */ + +#define AO_RDF_INTERVAL_TICKS AO_SEC_TO_TICKS(5) +#define AO_RDF_LENGTH_MS 500 +#define AO_RDF_CONTINUITY_MS 32 +#define AO_RDF_CONTINUITY_PAUSE 96 +#define AO_RDF_CONTINUITY_TOTAL ((AO_RDF_CONTINUITY_PAUSE + AO_RDF_CONTINUITY_MS) * 3 + AO_RDF_CONTINUITY_PAUSE) + +/* This assumes that we're generating a 1kHz tone, which + * modulates the carrier at 2kbps, or 250kBps + */ +#define AO_MS_TO_RDF_LEN(ms) ((ms) / 4) + +#define AO_RADIO_RDF_LEN AO_MS_TO_RDF_LEN(AO_RDF_LENGTH_MS) +#define AO_RADIO_CONT_TONE_LEN AO_MS_TO_RDF_LEN(AO_RDF_CONTINUITY_MS) +#define AO_RADIO_CONT_PAUSE_LEN AO_MS_TO_RDF_LEN(AO_RDF_CONTINUITY_PAUSE) +#define AO_RADIO_CONT_TOTAL_LEN AO_MS_TO_RDF_LEN(AO_RDF_CONTINUITY_TOTAL) + +/* returns a value 0-3 to indicate igniter continuity */ +uint8_t +ao_report_igniter(void); + +void +ao_report_init(void); + +/* + * ao_convert.c + * + * Given raw data, convert to SI units + */ + +/* pressure from the sensor to altitude in meters */ +int16_t +ao_pres_to_altitude(int16_t pres) __reentrant; + +int16_t +ao_altitude_to_pres(int16_t alt) __reentrant; + +int16_t +ao_temp_to_dC(int16_t temp) __reentrant; + +/* + * ao_convert_pa.c + * + * Convert between pressure in Pa and altitude in meters + */ + +#include <ao_data.h> + +alt_t +ao_pa_to_altitude(int32_t pa); + +int32_t +ao_altitude_to_pa(alt_t alt); + +#if HAS_DBG +#include <ao_dbg.h> +#endif + +#if HAS_SERIAL_0 || HAS_SERIAL_1 || HAS_SERIAL_2 || HAS_SERIAL_3 +#include <ao_serial.h> +#endif + +/* + * ao_convert_volt.c + * + * Convert ADC readings to decivolts + */ + +int16_t +ao_battery_decivolt(int16_t adc); + +int16_t +ao_ignite_decivolt(int16_t adc); + +/* + * ao_spi_slave.c + */ + +uint8_t +ao_spi_slave_recv(void *buf, uint16_t len); + +void +ao_spi_slave_send(void *buf, uint16_t len); + +void +ao_spi_slave_init(void); + +/* This must be defined by the product; it will get called when chip + * select goes low, at which point it should use ao_spi_read and + * ao_spi_write to deal with the request + */ + +void +ao_spi_slave(void); + +#include <ao_telemetry.h> +/* + * ao_gps.c + */ + +#define AO_GPS_NUM_SAT_MASK (0xf << 0) +#define AO_GPS_NUM_SAT_SHIFT (0) + +#define AO_GPS_VALID (1 << 4) +#define AO_GPS_RUNNING (1 << 5) +#define AO_GPS_DATE_VALID (1 << 6) +#define AO_GPS_COURSE_VALID (1 << 7) + +#define AO_GPS_NEW_DATA 1 +#define AO_GPS_NEW_TRACKING 2 + +extern __xdata uint8_t ao_gps_new; +extern __pdata uint16_t ao_gps_tick; +extern __xdata uint8_t ao_gps_mutex; +extern __xdata struct ao_telemetry_location ao_gps_data; +extern __xdata struct ao_telemetry_satellite ao_gps_tracking_data; + +struct ao_gps_orig { + uint8_t year; + uint8_t month; + uint8_t day; + uint8_t hour; + uint8_t minute; + uint8_t second; + uint8_t flags; + int32_t latitude; /* degrees * 10⁷ */ + int32_t longitude; /* degrees * 10⁷ */ + int16_t altitude; /* m */ + uint16_t ground_speed; /* cm/s */ + uint8_t course; /* degrees / 2 */ + uint8_t hdop; /* * 5 */ + int16_t climb_rate; /* cm/s */ + uint16_t h_error; /* m */ + uint16_t v_error; /* m */ +}; + +struct ao_gps_sat_orig { + uint8_t svid; + uint8_t c_n_1; +}; + +#define AO_MAX_GPS_TRACKING 12 + +struct ao_gps_tracking_orig { + uint8_t channels; + struct ao_gps_sat_orig sats[AO_MAX_GPS_TRACKING]; +}; + +void +ao_gps(void); + +void +ao_gps_print(__xdata struct ao_gps_orig *gps_data); + +void +ao_gps_tracking_print(__xdata struct ao_gps_tracking_orig *gps_tracking_data); + +void +ao_gps_show(void) __reentrant; + +void +ao_gps_init(void); + +/* + * ao_gps_report.c + */ + +void +ao_gps_report(void); + +void +ao_gps_report_init(void); + +/* + * ao_gps_report_mega.c + */ + +void +ao_gps_report_mega(void); + +void +ao_gps_report_mega_init(void); + +/* + * ao_telemetry_orig.c + */ + +#if LEGACY_MONITOR +struct ao_adc_orig { + uint16_t tick; /* tick when the sample was read */ + int16_t accel; /* accelerometer */ + int16_t pres; /* pressure sensor */ + int16_t temp; /* temperature sensor */ + int16_t v_batt; /* battery voltage */ + int16_t sense_d; /* drogue continuity sense */ + int16_t sense_m; /* main continuity sense */ +}; + +struct ao_telemetry_orig { + uint16_t serial; + uint16_t flight; + uint8_t flight_state; + int16_t accel; + int16_t ground_accel; + union { + struct { + int16_t speed; + int16_t unused; + } k; + int32_t flight_vel; + } u; + int16_t height; + int16_t ground_pres; + int16_t accel_plus_g; + int16_t accel_minus_g; + struct ao_adc_orig adc; + struct ao_gps_orig gps; + char callsign[AO_MAX_CALLSIGN]; + struct ao_gps_tracking_orig gps_tracking; +}; + +struct ao_telemetry_tiny { + uint16_t serial; + uint16_t flight; + uint8_t flight_state; + int16_t height; /* AGL in meters */ + int16_t speed; /* in m/s * 16 */ + int16_t accel; /* in m/s² * 16 */ + int16_t ground_pres; /* sensor units */ + struct ao_adc adc; /* raw ADC readings */ + char callsign[AO_MAX_CALLSIGN]; +}; + +struct ao_telemetry_orig_recv { + struct ao_telemetry_orig telemetry_orig; + int8_t rssi; + uint8_t status; +}; + +struct ao_telemetry_tiny_recv { + struct ao_telemetry_tiny telemetry_tiny; + int8_t rssi; + uint8_t status; +}; + +#endif /* LEGACY_MONITOR */ + +/* Unfortunately, we've exposed the CC1111 rssi units as the 'usual' method + * for reporting RSSI. So, now we use these values everywhere + */ +#define AO_RSSI_FROM_RADIO(radio) ((int16_t) ((int8_t) (radio) >> 1) - 74) +#define AO_RADIO_FROM_RSSI(rssi) (((int8_t) (rssi) + 74) << 1) + +/* + * ao_radio_recv tacks on rssi and status bytes + */ + +struct ao_telemetry_raw_recv { + uint8_t packet[AO_MAX_TELEMETRY + 2]; +}; + +/* Set delay between telemetry reports (0 to disable) */ + +#ifdef AO_SEND_ALL_BARO +#define AO_TELEMETRY_INTERVAL_PAD AO_MS_TO_TICKS(100) +#define AO_TELEMETRY_INTERVAL_FLIGHT AO_MS_TO_TICKS(100) +#define AO_TELEMETRY_INTERVAL_RECOVER AO_MS_TO_TICKS(100) +#else +#define AO_TELEMETRY_INTERVAL_PAD AO_MS_TO_TICKS(1000) +#define AO_TELEMETRY_INTERVAL_FLIGHT AO_MS_TO_TICKS(100) +#define AO_TELEMETRY_INTERVAL_RECOVER AO_MS_TO_TICKS(1000) +#endif + +void +ao_telemetry_set_interval(uint16_t interval); + +void +ao_rdf_set(uint8_t rdf); + +void +ao_telemetry_init(void); + +void +ao_telemetry_orig_init(void); + +void +ao_telemetry_tiny_init(void); + +/* + * ao_radio.c + */ + +extern __xdata uint8_t ao_radio_dma; + +extern __xdata int8_t ao_radio_rssi; + +#ifdef PKT_APPEND_STATUS_1_CRC_OK +#define AO_RADIO_STATUS_CRC_OK PKT_APPEND_STATUS_1_CRC_OK +#else +#include <ao_fec.h> +#define AO_RADIO_STATUS_CRC_OK AO_FEC_DECODE_CRC_OK +#endif + +#ifndef HAS_RADIO_RECV +#define HAS_RADIO_RECV HAS_RADIO +#endif +#ifndef HAS_RADIO_XMIT +#define HAS_RADIO_XMIT HAS_RADIO +#endif + +void +ao_radio_general_isr(void) ao_arch_interrupt(16); + +#if HAS_RADIO_XMIT +void +ao_radio_send(const __xdata void *d, uint8_t size) __reentrant; +#endif + +#if HAS_RADIO_RECV +uint8_t +ao_radio_recv(__xdata void *d, uint8_t size, uint8_t timeout) __reentrant; + +void +ao_radio_recv_abort(void); +#endif + +void +ao_radio_test(uint8_t on); + +typedef int16_t (*ao_radio_fill_func)(uint8_t *buffer, int16_t len); + +void +ao_radio_send_aprs(ao_radio_fill_func fill); + +/* + * ao_radio_pa + */ + +#if HAS_RADIO_AMP +void +ao_radio_pa_on(void); + +void +ao_radio_pa_off(void); + +void +ao_radio_pa_init(void); +#else +#define ao_radio_pa_on() +#define ao_radio_pa_off() +#define ao_radio_pa_init() +#endif + +/* + * Compute the packet length as follows: + * + * 2000 bps (for a 1kHz tone) + * so, for 'ms' milliseconds, we need + * 2 * ms bits, or ms / 4 bytes + */ + +void +ao_radio_rdf(void); + +void +ao_radio_continuity(uint8_t c); + +void +ao_radio_rdf_abort(void); + +void +ao_radio_init(void); + +/* + * ao_monitor.c + */ + +#if HAS_MONITOR + +extern const char const * const ao_state_names[]; + +#define AO_MONITOR_RING 8 + +union ao_monitor { + struct ao_telemetry_raw_recv raw; + struct ao_telemetry_all_recv all; +#if LEGACY_MONITOR + struct ao_telemetry_orig_recv orig; + struct ao_telemetry_tiny_recv tiny; +#endif +}; + +extern __xdata union ao_monitor ao_monitor_ring[AO_MONITOR_RING]; + +#define ao_monitor_ring_next(n) (((n) + 1) & (AO_MONITOR_RING - 1)) + +extern __data uint8_t ao_monitoring; +extern __data uint8_t ao_monitor_head; + +void +ao_monitor(void); + +#define AO_MONITORING_OFF 0 +#define AO_MONITORING_ORIG 1 + +void +ao_monitor_set(uint8_t monitoring); + +void +ao_monitor_disable(void); + +void +ao_monitor_enable(void); + +void +ao_monitor_init(void) __reentrant; + +#endif + +/* + * ao_stdio.c + */ + +#define AO_READ_AGAIN (-1) + +struct ao_stdio { + int (*_pollchar)(void); /* Called with interrupts blocked */ + void (*putchar)(char c) __reentrant; + void (*flush)(void); + uint8_t echo; +}; + +extern __xdata struct ao_stdio ao_stdios[]; +extern __pdata int8_t ao_cur_stdio; +extern __pdata int8_t ao_num_stdios; + +void +flush(void); + +extern __xdata uint8_t ao_stdin_ready; + +uint8_t +ao_echo(void); + +int8_t +ao_add_stdio(int (*pollchar)(void), + void (*putchar)(char) __reentrant, + void (*flush)(void)) __reentrant; + +/* + * ao_ignite.c + */ + +enum ao_igniter { + ao_igniter_drogue = 0, + ao_igniter_main = 1 +}; + +void +ao_ignite(enum ao_igniter igniter); + +enum ao_igniter_status { + ao_igniter_unknown, /* unknown status (ambiguous voltage) */ + ao_igniter_ready, /* continuity detected */ + ao_igniter_active, /* igniter firing */ + ao_igniter_open, /* open circuit detected */ +}; + +struct ao_ignition { + uint8_t request; + uint8_t fired; + uint8_t firing; +}; + +extern __code char * __code ao_igniter_status_names[]; + +extern __xdata struct ao_ignition ao_ignition[2]; + +enum ao_igniter_status +ao_igniter_status(enum ao_igniter igniter); + +extern __pdata uint8_t ao_igniter_present; + +void +ao_ignite_set_pins(void); + +void +ao_igniter_init(void); + +/* + * ao_config.c + */ + +#if AO_PYRO_NUM +#include <ao_pyro.h> +#endif + +#if HAS_FORCE_FREQ +/* + * Set this to force the frequency to 434.550MHz + */ +extern __xdata uint8_t ao_force_freq; +#endif + +#define AO_CONFIG_MAJOR 1 +#define AO_CONFIG_MINOR 15 + +#define AO_AES_LEN 16 + +extern __xdata uint8_t ao_config_aes_seq; + +struct ao_config { + uint8_t major; + uint8_t minor; + uint16_t main_deploy; + int16_t accel_plus_g; /* changed for minor version 2 */ + uint8_t _legacy_radio_channel; + char callsign[AO_MAX_CALLSIGN + 1]; + uint8_t apogee_delay; /* minor version 1 */ + int16_t accel_minus_g; /* minor version 2 */ + uint32_t radio_cal; /* minor version 3 */ + uint32_t flight_log_max; /* minor version 4 */ + uint8_t ignite_mode; /* minor version 5 */ + uint8_t pad_orientation; /* minor version 6 */ + uint32_t radio_setting; /* minor version 7 */ + uint8_t radio_enable; /* minor version 8 */ + uint8_t aes_key[AO_AES_LEN]; /* minor version 9 */ + uint32_t frequency; /* minor version 10 */ + uint16_t apogee_lockout; /* minor version 11 */ +#if AO_PYRO_NUM + struct ao_pyro pyro[AO_PYRO_NUM]; /* minor version 12 */ +#endif + uint16_t aprs_interval; /* minor version 13 */ +#if HAS_RADIO_POWER + uint8_t radio_power; /* minor version 14 */ +#endif +#if HAS_RADIO_AMP + uint8_t radio_amp; /* minor version 14 */ +#endif +#if HAS_GYRO + int16_t accel_zero_along; /* minor version 15 */ + int16_t accel_zero_across; /* minor version 15 */ + int16_t accel_zero_through; /* minor version 15 */ +#endif +}; + +#define AO_IGNITE_MODE_DUAL 0 +#define AO_IGNITE_MODE_APOGEE 1 +#define AO_IGNITE_MODE_MAIN 2 + +#define AO_RADIO_ENABLE_CORE 1 +#define AO_RADIO_DISABLE_TELEMETRY 2 +#define AO_RADIO_DISABLE_RDF 4 + +#define AO_PAD_ORIENTATION_ANTENNA_UP 0 +#define AO_PAD_ORIENTATION_ANTENNA_DOWN 1 + +extern __xdata struct ao_config ao_config; + +#define AO_CONFIG_MAX_SIZE 128 + +void +_ao_config_edit_start(void); + +void +_ao_config_edit_finish(void); + +void +ao_config_get(void); + +void +ao_config_put(void); + +void +ao_config_set_radio(void); + +void +ao_config_init(void); + +/* + * ao_rssi.c + */ + +void +ao_rssi_set(int rssi_value); + +void +ao_rssi_init(uint8_t rssi_led); + +/* + * ao_product.c + * + * values which need to be defined for + * each instance of a product + */ + +extern const char ao_version[]; +extern const char ao_manufacturer[]; +extern const char ao_product[]; + +/* + * Fifos + */ + +#define AO_FIFO_SIZE 32 + +struct ao_fifo { + uint8_t insert; + uint8_t remove; + char fifo[AO_FIFO_SIZE]; +}; + +#define ao_fifo_insert(f,c) do { \ + (f).fifo[(f).insert] = (c); \ + (f).insert = ((f).insert + 1) & (AO_FIFO_SIZE-1); \ +} while(0) + +#define ao_fifo_remove(f,c) do {\ + c = (f).fifo[(f).remove]; \ + (f).remove = ((f).remove + 1) & (AO_FIFO_SIZE-1); \ +} while(0) + +#define ao_fifo_full(f) ((((f).insert + 1) & (AO_FIFO_SIZE-1)) == (f).remove) +#define ao_fifo_empty(f) ((f).insert == (f).remove) + +#if PACKET_HAS_MASTER || PACKET_HAS_SLAVE +#include <ao_packet.h> +#endif + +#if HAS_BTM +#include <ao_btm.h> +#endif + +#if HAS_COMPANION +#include <ao_companion.h> +#endif + +#if HAS_LCD +#include <ao_lcd.h> +#endif + +#if HAS_AES +#include <ao_aes.h> +#endif + +/* ao_launch.c */ + +struct ao_launch_command { + uint16_t tick; + uint16_t serial; + uint8_t cmd; + uint8_t channel; + uint16_t unused; +}; + +#define AO_LAUNCH_QUERY 1 + +struct ao_launch_query { + uint16_t tick; + uint16_t serial; + uint8_t channel; + uint8_t valid; + uint8_t arm_status; + uint8_t igniter_status; +}; + +#define AO_LAUNCH_ARM 2 +#define AO_LAUNCH_FIRE 3 + +void +ao_launch_init(void); + +/* + * ao_log_single.c + */ + +#define AO_LOG_TELESCIENCE_START ((uint8_t) 's') +#define AO_LOG_TELESCIENCE_DATA ((uint8_t) 'd') + +#define AO_LOG_TELESCIENCE_NUM_ADC 12 + +struct ao_log_telescience { + uint8_t type; + uint8_t csum; + uint16_t tick; + uint16_t tm_tick; + uint8_t tm_state; + uint8_t unused; + uint16_t adc[AO_LOG_TELESCIENCE_NUM_ADC]; +}; + +#define AO_LOG_SINGLE_SIZE 32 + +union ao_log_single { + struct ao_log_telescience telescience; + union ao_telemetry_all telemetry; + uint8_t bytes[AO_LOG_SINGLE_SIZE]; +}; + +extern __xdata union ao_log_single ao_log_single_write_data; +extern __xdata union ao_log_single ao_log_single_read_data; + +void +ao_log_single_extra_query(void); + +void +ao_log_single_list(void); + +void +ao_log_single_main(void); + +uint8_t +ao_log_single_write(void); + +uint8_t +ao_log_single_read(uint32_t pos); + +void +ao_log_single_start(void); + +void +ao_log_single_stop(void); + +void +ao_log_single_restart(void); + +void +ao_log_single_set(void); + +void +ao_log_single_delete(void); + +void +ao_log_single_init(void); + +void +ao_log_single(void); + +/* + * ao_pyro_slave.c + */ + +#define AO_TELEPYRO_NUM_ADC 9 + +#ifndef ao_xmemcpy +#define ao_xmemcpy(d,s,c) memcpy(d,s,c) +#define ao_xmemset(d,v,c) memset(d,v,c) +#define ao_xmemcmp(d,s,c) memcmp(d,s,c) +#endif + +/* + * ao_terraui.c + */ + +void +ao_terraui_init(void); + +/* + * ao_battery.c + */ + +#ifdef BATTERY_PIN +void +ao_battery_isr(void) ao_arch_interrupt(1); + +uint16_t +ao_battery_get(void); + +void +ao_battery_init(void); +#endif /* BATTERY_PIN */ + +/* + * ao_sqrt.c + */ + +uint32_t +ao_sqrt(uint32_t op); + +/* + * ao_freq.c + */ + +int32_t ao_freq_to_set(int32_t freq, int32_t cal) __reentrant; + +/* + * ao_ms5607.c + */ + +void ao_ms5607_init(void); + +#include <ao_arch_funcs.h> + +#endif /* _AO_H_ */ diff --git a/src/kernel/ao_adc.h b/src/kernel/ao_adc.h new file mode 100644 index 00000000..373db1c4 --- /dev/null +++ b/src/kernel/ao_adc.h @@ -0,0 +1,35 @@ +/* + * Copyright © 2012 Keith Packard <keithp@keithp.com> + * + * This program is free software; you can redistribute it and/or modify + * it under the terms of the GNU General Public License as published by + * the Free Software Foundation; version 2 of the License. + * + * This program is distributed in the hope that it will be useful, but + * WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU + * General Public License for more details. + * + * You should have received a copy of the GNU General Public License along + * with this program; if not, write to the Free Software Foundation, Inc., + * 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA. + */ + +#ifndef _AO_ADC_H_ +#define _AO_ADC_H_ + +#include <ao_data.h> + +/* Trigger a conversion sequence (called from the timer interrupt) */ +void +ao_adc_poll(void); + +/* Suspend the current task until another A/D sample is converted */ +void +ao_adc_sleep(void); + +/* Initialize the A/D converter */ +void +ao_adc_init(void); + +#endif /* _AO_ADC_H_ */ diff --git a/src/kernel/ao_aes.h b/src/kernel/ao_aes.h new file mode 100644 index 00000000..c47bc2db --- /dev/null +++ b/src/kernel/ao_aes.h @@ -0,0 +1,54 @@ +/* + * Copyright © 2012 Keith Packard <keithp@keithp.com> + * + * This program is free software; you can redistribute it and/or modify + * it under the terms of the GNU General Public License as published by + * the Free Software Foundation; version 2 of the License. + * + * This program is distributed in the hope that it will be useful, but + * WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU + * General Public License for more details. + * + * You should have received a copy of the GNU General Public License along + * with this program; if not, write to the Free Software Foundation, Inc., + * 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA. + */ + +#ifndef _AO_AES_H_ +#define _AO_AES_H_ + +/* ao_aes.c */ + +extern __xdata uint8_t ao_aes_mutex; + +/* AES keys and blocks are 128 bits */ + +enum ao_aes_mode { + ao_aes_mode_cbc_mac +}; + +#if HAS_AES +#ifdef SDCC +void +ao_aes_isr(void) __interrupt 4; +#endif +#endif + +void +ao_aes_set_mode(enum ao_aes_mode mode); + +void +ao_aes_set_key(__xdata uint8_t *in); + +void +ao_aes_zero_iv(void); + +void +ao_aes_run(__xdata uint8_t *in, + __xdata uint8_t *out); + +void +ao_aes_init(void); + +#endif /* _AO_AES_H_ */ diff --git a/src/kernel/ao_balloon.c b/src/kernel/ao_balloon.c new file mode 100644 index 00000000..904a9c08 --- /dev/null +++ b/src/kernel/ao_balloon.c @@ -0,0 +1,136 @@ +/* + * Copyright © 2009 Keith Packard <keithp@keithp.com> + * + * This program is free software; you can redistribute it and/or modify + * it under the terms of the GNU General Public License as published by + * the Free Software Foundation; version 2 of the License. + * + * This program is distributed in the hope that it will be useful, but + * WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU + * General Public License for more details. + * + * You should have received a copy of the GNU General Public License along + * with this program; if not, write to the Free Software Foundation, Inc., + * 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA. + */ + +#ifndef AO_FLIGHT_TEST +#include "ao.h" +#endif + +#ifndef HAS_ACCEL +#error Please define HAS_ACCEL +#endif + +#ifndef HAS_GPS +#error Please define HAS_GPS +#endif + +#ifndef HAS_USB +#error Please define HAS_USB +#endif + +#if HAS_SENSOR_ERRORS +/* Any sensor can set this to mark the flight computer as 'broken' */ +__xdata uint8_t ao_sensor_errors; +#endif + +__pdata uint16_t ao_motor_number; /* number of motors burned so far */ + +/* Main flight thread. */ + +__pdata enum ao_flight_state ao_flight_state; /* current flight state */ + +__pdata uint8_t ao_flight_force_idle; + +void +ao_flight(void) +{ + ao_sample_init(); + ao_flight_state = ao_flight_startup; + for (;;) { + + /* + * Process ADC samples, just looping + * until the sensors are calibrated. + */ + if (!ao_sample()) + continue; + + switch (ao_flight_state) { + case ao_flight_startup: + + /* Check to see what mode we should go to. + * - Invalid mode if accel cal appears to be out + * - pad mode if we're upright, + * - idle mode otherwise + */ + if (!ao_flight_force_idle) + { + /* Set pad mode - we can fly! */ + ao_flight_state = ao_flight_pad; +#if HAS_USB + /* Disable the USB controller in flight mode + * to save power + */ + if (!ao_usb_running) + ao_usb_disable(); +#endif + + /* Disable packet mode in pad state */ + ao_packet_slave_stop(); + + /* Turn on telemetry system */ + ao_rdf_set(1); + ao_telemetry_set_interval(AO_TELEMETRY_INTERVAL_BALLOON); + + /* signal successful initialization by turning off the LED */ + ao_led_off(AO_LED_RED); + } else { + /* Set idle mode */ + ao_flight_state = ao_flight_idle; + + /* signal successful initialization by turning off the LED */ + ao_led_off(AO_LED_RED); + } + /* wakeup threads due to state change */ + ao_wakeup(DATA_TO_XDATA(&ao_flight_state)); + + break; + case ao_flight_pad: + + /* pad to coast: + * + * barometer: > 20m vertical motion + */ + if (ao_height > AO_M_TO_HEIGHT(20)) + { + ao_flight_state = ao_flight_drogue; + + /* start logging data */ + ao_log_start(); + +#if HAS_GPS + /* Record current GPS position by waking up GPS log tasks */ + ao_gps_new = AO_GPS_NEW_DATA | AO_GPS_NEW_TRACKING; + ao_wakeup(&ao_gps_new); +#endif + + ao_wakeup(DATA_TO_XDATA(&ao_flight_state)); + } + break; + default: + break; + } + } +} + +static __xdata struct ao_task flight_task; + +void +ao_flight_init(void) +{ + ao_flight_state = ao_flight_startup; + ao_add_task(&flight_task, ao_flight, "flight"); +} diff --git a/src/kernel/ao_beep.h b/src/kernel/ao_beep.h new file mode 100644 index 00000000..55f61171 --- /dev/null +++ b/src/kernel/ao_beep.h @@ -0,0 +1,74 @@ +/* + * Copyright © 2012 Keith Packard <keithp@keithp.com> + * + * This program is free software; you can redistribute it and/or modify + * it under the terms of the GNU General Public License as published by + * the Free Software Foundation; version 2 of the License. + * + * This program is distributed in the hope that it will be useful, but + * WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU + * General Public License for more details. + * + * You should have received a copy of the GNU General Public License along + * with this program; if not, write to the Free Software Foundation, Inc., + * 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA. + */ + +#ifndef _AO_BEEP_H_ +#define _AO_BEEP_H_ + +/* + * ao_beep.c + */ + +/* + * Various pre-defined beep frequencies + * + * frequency = 1/2 (24e6/32) / beep + */ + +#define AO_BEEP_LOW 150 /* 2500Hz */ +#define AO_BEEP_MID 94 /* 3989Hz */ +#define AO_BEEP_HIGH 75 /* 5000Hz */ +#define AO_BEEP_OFF 0 /* off */ + +#define AO_BEEP_g 240 /* 1562.5Hz */ +#define AO_BEEP_gs 227 /* 1652Hz (1655Hz) */ +#define AO_BEEP_aa 214 /* 1752Hz (1754Hz) */ +#define AO_BEEP_bbf 202 /* 1856Hz (1858Hz) */ +#define AO_BEEP_bb 190 /* 1974Hz (1969Hz) */ +#define AO_BEEP_cc 180 /* 2083Hz (2086Hz) */ +#define AO_BEEP_ccs 170 /* 2205Hz (2210Hz) */ +#define AO_BEEP_dd 160 /* 2344Hz (2341Hz) */ +#define AO_BEEP_eef 151 /* 2483Hz (2480Hz) */ +#define AO_BEEP_ee 143 /* 2622Hz (2628Hz) */ +#define AO_BEEP_ff 135 /* 2778Hz (2784Hz) */ +#define AO_BEEP_ffs 127 /* 2953Hz (2950Hz) */ +#define AO_BEEP_gg 120 /* 3125Hz */ +#define AO_BEEP_ggs 113 /* 3319Hz (3311Hz) */ +#define AO_BEEP_aaa 107 /* 3504Hz (3508Hz) */ +#define AO_BEEP_bbbf 101 /* 3713Hz (3716Hz) */ +#define AO_BEEP_bbb 95 /* 3947Hz (3937Hz) */ +#define AO_BEEP_ccc 90 /* 4167Hz (4171Hz) */ +#define AO_BEEP_cccs 85 /* 4412Hz (4419Hz) */ +#define AO_BEEP_ddd 80 /* 4688Hz (4682Hz) */ +#define AO_BEEP_eeef 76 /* 4934Hz (4961Hz) */ +#define AO_BEEP_eee 71 /* 5282Hz (5256Hz) */ +#define AO_BEEP_fff 67 /* 5597Hz (5568Hz) */ +#define AO_BEEP_fffs 64 /* 5859Hz (5899Hz) */ +#define AO_BEEP_ggg 60 /* 6250Hz */ + +/* Set the beeper to the specified tone */ +void +ao_beep(uint8_t beep); + +/* Turn on the beeper for the specified time */ +void +ao_beep_for(uint8_t beep, uint16_t ticks) __reentrant; + +/* Initialize the beeper */ +void +ao_beep_init(void); + +#endif /* _AO_BEEP_H_ */ diff --git a/src/kernel/ao_btm.h b/src/kernel/ao_btm.h new file mode 100644 index 00000000..484e5d7f --- /dev/null +++ b/src/kernel/ao_btm.h @@ -0,0 +1,36 @@ +/* + * Copyright © 2012 Keith Packard <keithp@keithp.com> + * + * This program is free software; you can redistribute it and/or modify + * it under the terms of the GNU General Public License as published by + * the Free Software Foundation; version 2 of the License. + * + * This program is distributed in the hope that it will be useful, but + * WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU + * General Public License for more details. + * + * You should have received a copy of the GNU General Public License along + * with this program; if not, write to the Free Software Foundation, Inc., + * 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA. + */ + +#ifndef _AO_BTM_H_ +#define _AO_BTM_H_ + +/* ao_btm.c */ + +/* If bt_link is on P2, this interrupt is shared by USB, so the USB + * code calls this function. Otherwise, it's a regular ISR. + */ + +void +ao_btm_isr(void) +#if BT_LINK_ON_P1 + __interrupt 15 +#endif + ; +void +ao_btm_init(void); + +#endif /* _AO_BTM_H_ */ diff --git a/src/kernel/ao_cmd.c b/src/kernel/ao_cmd.c new file mode 100644 index 00000000..4ebaa607 --- /dev/null +++ b/src/kernel/ao_cmd.c @@ -0,0 +1,420 @@ +/* + * Copyright © 2009 Keith Packard <keithp@keithp.com> + * + * This program is free software; you can redistribute it and/or modify + * it under the terms of the GNU General Public License as published by + * the Free Software Foundation; version 2 of the License. + * + * This program is distributed in the hope that it will be useful, but + * WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU + * General Public License for more details. + * + * You should have received a copy of the GNU General Public License along + * with this program; if not, write to the Free Software Foundation, Inc., + * 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA. + */ + +#include "ao.h" +#include "ao_task.h" + +__pdata uint16_t ao_cmd_lex_i; +__pdata uint32_t ao_cmd_lex_u32; +__pdata char ao_cmd_lex_c; +__pdata enum ao_cmd_status ao_cmd_status; + +#define CMD_LEN 48 + +static __xdata char cmd_line[CMD_LEN]; +static __pdata uint8_t cmd_len; +static __pdata uint8_t cmd_i; + +void +ao_put_string(__code char *s) +{ + char c; + while ((c = *s++)) + putchar(c); +} + +static void +backspace(void) +{ + ao_put_string ("\010 \010"); +} + +static void +readline(void) +{ + char c; + if (ao_echo()) + ao_put_string("> "); + cmd_len = 0; + for (;;) { + flush(); + c = getchar(); + /* backspace/delete */ + if (c == '\010' || c == '\177') { + if (cmd_len != 0) { + if (ao_echo()) + backspace(); + --cmd_len; + } + continue; + } + + /* ^U */ + if (c == '\025') { + while (cmd_len != 0) { + if (ao_echo()) + backspace(); + --cmd_len; + } + continue; + } + + /* map CR to NL */ + if (c == '\r') + c = '\n'; + + if (c == '\n') { + if (ao_echo()) + putchar('\n'); + break; + } + + if (cmd_len >= CMD_LEN - 2) + continue; + cmd_line[cmd_len++] = c; + if (ao_echo()) + putchar(c); + } + cmd_line[cmd_len++] = '\n'; + cmd_line[cmd_len++] = '\0'; + cmd_i = 0; +} + +void +ao_cmd_lex(void) +{ + ao_cmd_lex_c = '\n'; + if (cmd_i < cmd_len) + ao_cmd_lex_c = cmd_line[cmd_i++]; +} + +static void +putnibble(uint8_t v) +{ + if (v < 10) + putchar(v + '0'); + else + putchar(v + ('a' - 10)); +} + +uint8_t +ao_getnibble(void) +{ + char c; + + c = getchar(); + if ('0' <= c && c <= '9') + return c - '0'; + if ('a' <= c && c <= 'f') + return c - ('a' - 10); + if ('A' <= c && c <= 'F') + return c - ('A' - 10); + ao_cmd_status = ao_cmd_lex_error; + return 0; +} + +void +ao_cmd_put16(uint16_t v) +{ + ao_cmd_put8(v >> 8); + ao_cmd_put8(v); +} + +void +ao_cmd_put8(uint8_t v) +{ + putnibble((v >> 4) & 0xf); + putnibble(v & 0xf); +} + +uint8_t +ao_cmd_is_white(void) +{ + return ao_cmd_lex_c == ' ' || ao_cmd_lex_c == '\t'; +} + +void +ao_cmd_white(void) +{ + while (ao_cmd_is_white()) + ao_cmd_lex(); +} + +int8_t +ao_cmd_hexchar(char c) +{ + if ('0' <= c && c <= '9') + return (c - '0'); + if ('a' <= c && c <= 'f') + return (c - 'a' + 10); + if ('A' <= c && c <= 'F') + return (c - 'A' + 10); + return -1; +} + +void +ao_cmd_hexbyte(void) +{ + uint8_t i; + int8_t n; + + ao_cmd_lex_i = 0; + ao_cmd_white(); + for (i = 0; i < 2; i++) { + n = ao_cmd_hexchar(ao_cmd_lex_c); + if (n < 0) { + ao_cmd_status = ao_cmd_syntax_error; + break; + } + ao_cmd_lex_i = (ao_cmd_lex_i << 4) | n; + ao_cmd_lex(); + } +} + +void +ao_cmd_hex(void) +{ + __pdata uint8_t r = ao_cmd_lex_error; + int8_t n; + + ao_cmd_lex_i = 0; + ao_cmd_white(); + for(;;) { + n = ao_cmd_hexchar(ao_cmd_lex_c); + if (n < 0) + break; + ao_cmd_lex_i = (ao_cmd_lex_i << 4) | n; + r = ao_cmd_success; + ao_cmd_lex(); + } + if (r != ao_cmd_success) + ao_cmd_status = r; +} + +void +ao_cmd_decimal(void) __reentrant +{ + uint8_t r = ao_cmd_lex_error; + + ao_cmd_lex_u32 = 0; + ao_cmd_white(); + for(;;) { + if ('0' <= ao_cmd_lex_c && ao_cmd_lex_c <= '9') + ao_cmd_lex_u32 = (ao_cmd_lex_u32 * 10) + (ao_cmd_lex_c - '0'); + else + break; + r = ao_cmd_success; + ao_cmd_lex(); + } + if (r != ao_cmd_success) + ao_cmd_status = r; + ao_cmd_lex_i = (uint16_t) ao_cmd_lex_u32; +} + +uint8_t +ao_match_word(__code char *word) +{ + while (*word) { + if (ao_cmd_lex_c != *word) { + ao_cmd_status = ao_cmd_syntax_error; + return 0; + } + word++; + ao_cmd_lex(); + } + return 1; +} + +static void +echo(void) +{ + ao_cmd_hex(); + if (ao_cmd_status == ao_cmd_success) + ao_stdios[ao_cur_stdio].echo = ao_cmd_lex_i != 0; +} + +static void +ao_reboot(void) +{ + ao_cmd_white(); + if (!ao_match_word("eboot")) + return; + /* Delay waiting for the packet master to be turned off + * so that we don't end up back in idle mode because we + * received a packet after boot. + */ + flush(); + ao_delay(AO_SEC_TO_TICKS(1)); + ao_arch_reboot(); + ao_panic(AO_PANIC_REBOOT); +} + +#ifndef HAS_VERSION +#define HAS_VERSION 1 +#endif + +#if HAS_VERSION +static void +version(void) +{ + printf("manufacturer %s\n" + "product %s\n" + "serial-number %u\n" +#if HAS_FLIGHT + "current-flight %u\n" +#endif +#if HAS_LOG + "log-format %u\n" +#endif + , ao_manufacturer + , ao_product + , ao_serial_number +#if HAS_FLIGHT + , ao_flight_number +#endif +#if HAS_LOG + , ao_log_format +#endif + ); + printf("software-version %s\n", ao_version); +} +#endif + +#ifndef NUM_CMDS +#define NUM_CMDS 11 +#endif + +static __code struct ao_cmds *__xdata (ao_cmds[NUM_CMDS]); +static __pdata uint8_t ao_ncmds; + +static void +help(void) +{ + __pdata uint8_t cmds; + __pdata uint8_t cmd; + __code struct ao_cmds * __pdata cs; + __code const char *h; + uint8_t e; + + for (cmds = 0; cmds < ao_ncmds; cmds++) { + cs = ao_cmds[cmds]; + for (cmd = 0; cs[cmd].func; cmd++) { + h = cs[cmd].help; + ao_put_string(h); + e = strlen(h); + h += e + 1; + e = 45 - e; + while (e--) + putchar(' '); + ao_put_string(h); + putchar('\n'); + } + } +} + +static void +report(void) +{ + switch(ao_cmd_status) { + case ao_cmd_lex_error: + case ao_cmd_syntax_error: + puts("Syntax error"); + ao_cmd_status = 0; + default: + break; + } +} + +void +ao_cmd_register(__code struct ao_cmds *cmds) +{ + if (ao_ncmds >= NUM_CMDS) + ao_panic(AO_PANIC_CMD); + ao_cmds[ao_ncmds++] = cmds; +} + +void +ao_cmd(void) +{ + __pdata char c; + uint8_t cmd, cmds; + __code struct ao_cmds * __xdata cs; + void (*__xdata func)(void); + + for (;;) { + readline(); + ao_cmd_lex(); + ao_cmd_white(); + c = ao_cmd_lex_c; + ao_cmd_lex(); + if (c == '\r' || c == '\n') + continue; + func = (void (*)(void)) NULL; + for (cmds = 0; cmds < ao_ncmds; cmds++) { + cs = ao_cmds[cmds]; + for (cmd = 0; cs[cmd].func; cmd++) + if (cs[cmd].help[0] == c) { + func = cs[cmd].func; + break; + } + if (func) + break; + } + if (func) + (*func)(); + else + ao_cmd_status = ao_cmd_syntax_error; + report(); + } +} + +#if HAS_BOOT_LOADER + +#include <ao_boot.h> + +static void +ao_loader(void) +{ + flush(); + ao_boot_loader(); +} +#endif + +__xdata struct ao_task ao_cmd_task; + +__code struct ao_cmds ao_base_cmds[] = { + { help, "?\0Help" }, +#if HAS_TASK_INFO + { ao_task_info, "T\0Tasks" }, +#endif + { echo, "E <0 off, 1 on>\0Echo" }, + { ao_reboot, "r eboot\0Reboot" }, +#if HAS_VERSION + { version, "v\0Version" }, +#endif +#if HAS_BOOT_LOADER + { ao_loader, "X\0Switch to boot loader" }, +#endif + { 0, NULL }, +}; + +void +ao_cmd_init(void) +{ + ao_cmd_register(&ao_base_cmds[0]); + ao_add_task(&ao_cmd_task, ao_cmd, "cmd"); +} diff --git a/src/kernel/ao_companion.h b/src/kernel/ao_companion.h new file mode 100644 index 00000000..035325a3 --- /dev/null +++ b/src/kernel/ao_companion.h @@ -0,0 +1,55 @@ +/* + * Copyright © 2012 Keith Packard <keithp@keithp.com> + * + * This program is free software; you can redistribute it and/or modify + * it under the terms of the GNU General Public License as published by + * the Free Software Foundation; version 2 of the License. + * + * This program is distributed in the hope that it will be useful, but + * WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU + * General Public License for more details. + * + * You should have received a copy of the GNU General Public License along + * with this program; if not, write to the Free Software Foundation, Inc., + * 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA. + */ + +#ifndef _AO_COMPANION_H_ +#define _AO_COMPANION_H_ + +/* ao_companion.c */ + +#define AO_COMPANION_SETUP 1 +#define AO_COMPANION_FETCH 2 +#define AO_COMPANION_NOTIFY 3 + +struct ao_companion_command { + uint8_t command; + uint8_t flight_state; + uint16_t tick; + uint16_t serial; + uint16_t flight; + int16_t accel; + int16_t speed; + int16_t height; + int16_t motor_number; +}; + +struct ao_companion_setup { + uint16_t board_id; + uint16_t board_id_inverse; + uint8_t update_period; + uint8_t channels; +}; + +extern __pdata uint8_t ao_companion_running; +extern __xdata uint8_t ao_companion_mutex; +extern __xdata struct ao_companion_command ao_companion_command; +extern __xdata struct ao_companion_setup ao_companion_setup; +extern __xdata uint16_t ao_companion_data[AO_COMPANION_MAX_CHANNELS]; + +void +ao_companion_init(void); + +#endif /* _AO_COMPANION_H_ */ diff --git a/src/kernel/ao_config.c b/src/kernel/ao_config.c new file mode 100644 index 00000000..4482f673 --- /dev/null +++ b/src/kernel/ao_config.c @@ -0,0 +1,805 @@ +/* + * Copyright © 2009 Keith Packard <keithp@keithp.com> + * + * This program is free software; you can redistribute it and/or modify + * it under the terms of the GNU General Public License as published by + * the Free Software Foundation; version 2 of the License. + * + * This program is distributed in the hope that it will be useful, but + * WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU + * General Public License for more details. + * + * You should have received a copy of the GNU General Public License along + * with this program; if not, write to the Free Software Foundation, Inc., + * 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA. + */ + +#include "ao.h" +#include "ao_log.h" +#include <ao_config.h> +#if HAS_FLIGHT +#include <ao_sample.h> +#include <ao_data.h> +#endif + +__xdata struct ao_config ao_config; +__pdata uint8_t ao_config_loaded; +__pdata uint8_t ao_config_dirty; +__xdata uint8_t ao_config_mutex; + +#ifndef AO_CONFIG_DEFAULT_APRS_INTERVAL +#define AO_CONFIG_DEFAULT_APRS_INTERVAL 0 +#endif +#define AO_CONFIG_DEFAULT_MAIN_DEPLOY 250 +#define AO_CONFIG_DEFAULT_RADIO_CHANNEL 0 +#define AO_CONFIG_DEFAULT_CALLSIGN "N0CALL" +#define AO_CONFIG_DEFAULT_ACCEL_ZERO_G 16000 +#define AO_CONFIG_DEFAULT_APOGEE_DELAY 0 +#define AO_CONFIG_DEFAULT_IGNITE_MODE AO_IGNITE_MODE_DUAL +#define AO_CONFIG_DEFAULT_PAD_ORIENTATION AO_PAD_ORIENTATION_ANTENNA_UP +#if HAS_EEPROM +#ifndef USE_INTERNAL_FLASH +#error Please define USE_INTERNAL_FLASH +#endif +#endif +#ifndef AO_CONFIG_DEFAULT_FLIGHT_LOG_MAX +#if USE_INTERNAL_FLASH +#define AO_CONFIG_DEFAULT_FLIGHT_LOG_MAX ao_storage_config +#else +#define AO_CONFIG_DEFAULT_FLIGHT_LOG_MAX ((uint32_t) 192 * (uint32_t) 1024) +#endif +#endif +#ifndef AO_CONFIG_DEFAULT_RADIO_POWER +#define AO_CONFIG_DEFAULT_RADIO_POWER 0x60 +#endif +#define AO_CONFIG_DEFAULT_RADIO_AMP 0 + +#if HAS_EEPROM +static void +_ao_config_put(void) +{ + ao_config_setup(); + ao_config_erase(); + ao_config_write(0, &ao_config, sizeof (ao_config)); +#if HAS_FLIGHT + ao_log_write_erase(0); +#endif + ao_config_flush(); +} + +void +ao_config_put(void) +{ + ao_mutex_get(&ao_config_mutex); + _ao_config_put(); + ao_mutex_put(&ao_config_mutex); +} +#endif + +#if HAS_RADIO +void +ao_config_set_radio(void) +{ + ao_config.radio_setting = ao_freq_to_set(ao_config.frequency, ao_config.radio_cal); +} +#endif /* HAS_RADIO */ + +static void +_ao_config_get(void) +{ + uint8_t minor; + + if (ao_config_loaded) + return; +#if HAS_EEPROM + /* Yes, I know ao_storage_read calls ao_storage_setup, + * but ao_storage_setup *also* sets ao_storage_config, which we + * need before calling ao_storage_read here + */ + ao_config_setup(); + ao_config_read(0, &ao_config, sizeof (ao_config)); +#endif + if (ao_config.major != AO_CONFIG_MAJOR) { + ao_config.major = AO_CONFIG_MAJOR; + ao_config.minor = 0; + + /* Version 0 stuff */ + ao_config.main_deploy = AO_CONFIG_DEFAULT_MAIN_DEPLOY; + ao_xmemset(&ao_config.callsign, '\0', sizeof (ao_config.callsign)); + ao_xmemcpy(&ao_config.callsign, CODE_TO_XDATA(AO_CONFIG_DEFAULT_CALLSIGN), + sizeof(AO_CONFIG_DEFAULT_CALLSIGN) - 1); + ao_config._legacy_radio_channel = 0; + } + minor = ao_config.minor; + if (minor != AO_CONFIG_MINOR) { + /* Fixups for minor version 1 */ + if (minor < 1) + ao_config.apogee_delay = AO_CONFIG_DEFAULT_APOGEE_DELAY; + /* Fixups for minor version 2 */ + if (minor < 2) { + ao_config.accel_plus_g = 0; + ao_config.accel_minus_g = 0; + } + /* Fixups for minor version 3 */ +#if HAS_RADIO + if (minor < 3) + ao_config.radio_cal = ao_radio_cal; +#endif + /* Fixups for minor version 4 */ +#if HAS_FLIGHT + if (minor < 4) + ao_config.flight_log_max = AO_CONFIG_DEFAULT_FLIGHT_LOG_MAX; +#endif + /* Fixupes for minor version 5 */ + if (minor < 5) + ao_config.ignite_mode = AO_CONFIG_DEFAULT_IGNITE_MODE; + if (minor < 6) + ao_config.pad_orientation = AO_CONFIG_DEFAULT_PAD_ORIENTATION; + if (minor < 8) + ao_config.radio_enable = AO_RADIO_ENABLE_CORE; + if (minor < 9) + ao_xmemset(&ao_config.aes_key, '\0', AO_AES_LEN); + if (minor < 10) + ao_config.frequency = 434550 + ao_config._legacy_radio_channel * 100; + if (minor < 11) + ao_config.apogee_lockout = 0; +#if AO_PYRO_NUM + if (minor < 12) + memset(&ao_config.pyro, '\0', sizeof (ao_config.pyro)); +#endif + if (minor < 13) + ao_config.aprs_interval = AO_CONFIG_DEFAULT_APRS_INTERVAL; +#if HAS_RADIO_POWER + if (minor < 14) + ao_config.radio_power = AO_CONFIG_DEFAULT_RADIO_POWER; + #endif +#if HAS_RADIO_AMP + if (minor < 14) + ao_config.radio_amp = AO_CONFIG_DEFAULT_RADIO_AMP; +#endif +#if HAS_GYRO + if (minor < 15) { + ao_config.accel_zero_along = 0; + ao_config.accel_zero_across = 0; + ao_config.accel_zero_through = 0; + + /* Reset the main accel offsets to force + * re-calibration + */ + ao_config.accel_plus_g = 0; + ao_config.accel_minus_g = 0; + } +#endif + ao_config.minor = AO_CONFIG_MINOR; + ao_config_dirty = 1; + } +#if HAS_RADIO +#if HAS_FORCE_FREQ + if (ao_force_freq) { + ao_config.frequency = 434550; + ao_config.radio_cal = ao_radio_cal; + ao_xmemcpy(&ao_config.callsign, CODE_TO_XDATA(AO_CONFIG_DEFAULT_CALLSIGN), + sizeof(AO_CONFIG_DEFAULT_CALLSIGN) - 1); + } +#endif + ao_config_set_radio(); +#endif + ao_config_loaded = 1; +} + +void +_ao_config_edit_start(void) +{ + ao_mutex_get(&ao_config_mutex); + _ao_config_get(); +} + +void +_ao_config_edit_finish(void) +{ + ao_config_dirty = 1; + ao_mutex_put(&ao_config_mutex); +} + +void +ao_config_get(void) +{ + _ao_config_edit_start(); + ao_mutex_put(&ao_config_mutex); +} + +void +ao_config_callsign_show(void) +{ + printf ("Callsign: \"%s\"\n", ao_config.callsign); +} + +void +ao_config_callsign_set(void) __reentrant +{ + uint8_t c; + static __xdata char callsign[AO_MAX_CALLSIGN + 1]; + + ao_xmemset(callsign, '\0', sizeof callsign); + ao_cmd_white(); + c = 0; + while (ao_cmd_lex_c != '\n') { + if (c < AO_MAX_CALLSIGN) + callsign[c++] = ao_cmd_lex_c; + else + ao_cmd_status = ao_cmd_lex_error; + ao_cmd_lex(); + } + if (ao_cmd_status != ao_cmd_success) + return; + _ao_config_edit_start(); + ao_xmemcpy(&ao_config.callsign, &callsign, + AO_MAX_CALLSIGN + 1); + _ao_config_edit_finish(); +} + +#if HAS_RADIO + +void +ao_config_frequency_show(void) __reentrant +{ + printf("Frequency: %ld\n", + ao_config.frequency); +} + +void +ao_config_frequency_set(void) __reentrant +{ + ao_cmd_decimal(); + if (ao_cmd_status != ao_cmd_success) + return; + _ao_config_edit_start(); + ao_config.frequency = ao_cmd_lex_u32; + ao_config_set_radio(); + _ao_config_edit_finish(); +#if HAS_RADIO_RECV + ao_radio_recv_abort(); +#endif +} +#endif + +#if HAS_FLIGHT + +void +ao_config_main_deploy_show(void) __reentrant +{ + printf("Main deploy: %d meters\n", + ao_config.main_deploy); +} + +void +ao_config_main_deploy_set(void) __reentrant +{ + ao_cmd_decimal(); + if (ao_cmd_status != ao_cmd_success) + return; + _ao_config_edit_start(); + ao_config.main_deploy = ao_cmd_lex_i; + _ao_config_edit_finish(); +} + +#if HAS_ACCEL +void +ao_config_accel_calibrate_show(void) __reentrant +{ + printf("Accel cal +1g: %d -1g: %d\n", + ao_config.accel_plus_g, ao_config.accel_minus_g); +#if HAS_GYRO + printf ("IMU cal along %d across %d through %d\n", + ao_config.accel_zero_along, + ao_config.accel_zero_across, + ao_config.accel_zero_through); +#endif +} + +#define ACCEL_CALIBRATE_SAMPLES 1024 +#define ACCEL_CALIBRATE_SHIFT 10 + +#if HAS_GYRO +static int16_t accel_cal_along; +static int16_t accel_cal_across; +static int16_t accel_cal_through; +#endif + +static int16_t +ao_config_accel_calibrate_auto(char *orientation) __reentrant +{ + uint16_t i; + int32_t accel_total; + uint8_t cal_data_ring; +#if HAS_GYRO + int32_t accel_along_total = 0; + int32_t accel_across_total = 0; + int32_t accel_through_total = 0; +#endif + + printf("Orient antenna %s and press a key...", orientation); + flush(); + (void) getchar(); + puts("\r\n"); flush(); + puts("Calibrating..."); flush(); + i = ACCEL_CALIBRATE_SAMPLES; + accel_total = 0; + cal_data_ring = ao_sample_data; + while (i) { + ao_sleep(DATA_TO_XDATA(&ao_sample_data)); + while (i && cal_data_ring != ao_sample_data) { + accel_total += (int32_t) ao_data_accel(&ao_data_ring[cal_data_ring]); +#if HAS_GYRO + accel_along_total += (int32_t) ao_data_along(&ao_data_ring[cal_data_ring]); + accel_across_total += (int32_t) ao_data_across(&ao_data_ring[cal_data_ring]); + accel_through_total += (int32_t) ao_data_through(&ao_data_ring[cal_data_ring]); +#endif + cal_data_ring = ao_data_ring_next(cal_data_ring); + i--; + } + } +#if HAS_GYRO + accel_cal_along = accel_along_total >> ACCEL_CALIBRATE_SHIFT; + accel_cal_across = accel_across_total >> ACCEL_CALIBRATE_SHIFT; + accel_cal_through = accel_through_total >> ACCEL_CALIBRATE_SHIFT; +#endif + return accel_total >> ACCEL_CALIBRATE_SHIFT; +} + +void +ao_config_accel_calibrate_set(void) __reentrant +{ + int16_t up, down; +#if HAS_GYRO + int16_t accel_along_up = 0, accel_along_down = 0; + int16_t accel_across_up = 0, accel_across_down = 0; + int16_t accel_through_up = 0, accel_through_down = 0; +#endif + + ao_cmd_decimal(); + if (ao_cmd_status != ao_cmd_success) + return; + if (ao_cmd_lex_i == 0) { + up = ao_config_accel_calibrate_auto("up"); +#if HAS_GYRO + accel_along_up = accel_cal_along; + accel_across_up = accel_cal_across; + accel_through_up = accel_cal_through; +#endif + down = ao_config_accel_calibrate_auto("down"); +#if HAS_GYRO + accel_along_down = accel_cal_along; + accel_across_down = accel_cal_across; + accel_through_down = accel_cal_through; +#endif + } else { + up = ao_cmd_lex_i; + ao_cmd_decimal(); + if (ao_cmd_status != ao_cmd_success) + return; + down = ao_cmd_lex_i; + } + if (up >= down) { + printf("Invalid accel: up (%d) down (%d)\n", + up, down); + return; + } + _ao_config_edit_start(); + ao_config.accel_plus_g = up; + ao_config.accel_minus_g = down; +#if HAS_GYRO + if (ao_cmd_lex_i == 0) { + ao_config.accel_zero_along = (accel_along_up + accel_along_down) / 2; + ao_config.accel_zero_across = (accel_across_up + accel_across_down) / 2; + ao_config.accel_zero_through = (accel_through_up + accel_through_down) / 2; + } +#endif + _ao_config_edit_finish(); +} +#endif /* HAS_ACCEL */ + +void +ao_config_apogee_delay_show(void) __reentrant +{ + printf("Apogee delay: %d seconds\n", + ao_config.apogee_delay); +} + +void +ao_config_apogee_delay_set(void) __reentrant +{ + ao_cmd_decimal(); + if (ao_cmd_status != ao_cmd_success) + return; + _ao_config_edit_start(); + ao_config.apogee_delay = ao_cmd_lex_i; + _ao_config_edit_finish(); +} + +void +ao_config_apogee_lockout_show(void) __reentrant +{ + printf ("Apogee lockout: %d seconds\n", + ao_config.apogee_lockout); +} + +void +ao_config_apogee_lockout_set(void) __reentrant +{ + ao_cmd_decimal(); + if (ao_cmd_status != ao_cmd_success) + return; + _ao_config_edit_start(); + ao_config.apogee_lockout = ao_cmd_lex_i; + _ao_config_edit_finish(); +} + +#endif /* HAS_FLIGHT */ + +#if HAS_RADIO +void +ao_config_radio_cal_show(void) __reentrant +{ + printf("Radio cal: %ld\n", ao_config.radio_cal); +} + +void +ao_config_radio_cal_set(void) __reentrant +{ + ao_cmd_decimal(); + if (ao_cmd_status != ao_cmd_success) + return; + _ao_config_edit_start(); + ao_config.radio_cal = ao_cmd_lex_u32; + ao_config_set_radio(); + _ao_config_edit_finish(); +} +#endif + +#if HAS_LOG +void +ao_config_log_show(void) __reentrant +{ + printf("Max flight log: %d kB\n", (int16_t) (ao_config.flight_log_max >> 10)); +} + +void +ao_config_log_set(void) __reentrant +{ + uint16_t block = (uint16_t) (ao_storage_block >> 10); + uint16_t log_max = (uint16_t) (ao_storage_log_max >> 10); + + ao_cmd_decimal(); + if (ao_cmd_status != ao_cmd_success) + return; + if (ao_log_present()) + printf("Storage must be empty before changing log size\n"); + else if (block > 1024 && (ao_cmd_lex_i & (block - 1))) + printf("Flight log size must be multiple of %d kB\n", block); + else if (ao_cmd_lex_i > log_max) + printf("Flight log max %d kB\n", log_max); + else { + _ao_config_edit_start(); + ao_config.flight_log_max = (uint32_t) ao_cmd_lex_i << 10; + _ao_config_edit_finish(); + } +} +#endif /* HAS_LOG */ + +#if HAS_IGNITE +void +ao_config_ignite_mode_show(void) __reentrant +{ + printf("Ignite mode: %d\n", ao_config.ignite_mode); +} + +void +ao_config_ignite_mode_set(void) __reentrant +{ + ao_cmd_decimal(); + if (ao_cmd_status != ao_cmd_success) + return; + _ao_config_edit_start(); + ao_config.ignite_mode = ao_cmd_lex_i; + _ao_config_edit_finish(); +} +#endif + +#if HAS_ACCEL +void +ao_config_pad_orientation_show(void) __reentrant +{ + printf("Pad orientation: %d\n", ao_config.pad_orientation); +} + +#ifndef AO_ACCEL_INVERT +#define AO_ACCEL_INVERT 0x7fff +#endif + +void +ao_config_pad_orientation_set(void) __reentrant +{ + ao_cmd_decimal(); + if (ao_cmd_status != ao_cmd_success) + return; + _ao_config_edit_start(); + ao_cmd_lex_i &= 1; + if (ao_config.pad_orientation != ao_cmd_lex_i) { + int16_t t; + t = ao_config.accel_plus_g; + ao_config.accel_plus_g = AO_ACCEL_INVERT - ao_config.accel_minus_g; + ao_config.accel_minus_g = AO_ACCEL_INVERT - t; + } + ao_config.pad_orientation = ao_cmd_lex_i; + _ao_config_edit_finish(); +} +#endif + +#if HAS_RADIO +void +ao_config_radio_enable_show(void) __reentrant +{ + printf("Radio enable: %d\n", ao_config.radio_enable); +} + +void +ao_config_radio_enable_set(void) __reentrant +{ + ao_cmd_decimal(); + if (ao_cmd_status != ao_cmd_success) + return; + _ao_config_edit_start(); + ao_config.radio_enable = ao_cmd_lex_i; + _ao_config_edit_finish(); +} +#endif /* HAS_RADIO */ + +#if HAS_AES + +__xdata uint8_t ao_config_aes_seq = 1; + +void +ao_config_key_show(void) __reentrant +{ + uint8_t i; + printf("AES key: "); + for (i = 0; i < AO_AES_LEN; i++) + printf ("%02x", ao_config.aes_key[i]); + printf("\n"); +} + +void +ao_config_key_set(void) __reentrant +{ + uint8_t i; + + _ao_config_edit_start(); + for (i = 0; i < AO_AES_LEN; i++) { + ao_cmd_hexbyte(); + if (ao_cmd_status != ao_cmd_success) + break; + ao_config.aes_key[i] = ao_cmd_lex_i; + } + ++ao_config_aes_seq; + _ao_config_edit_finish(); +} +#endif + +#if HAS_APRS + +void +ao_config_aprs_show(void) +{ + printf ("APRS interval: %d\n", ao_config.aprs_interval); +} + +void +ao_config_aprs_set(void) +{ + ao_cmd_decimal(); + if (ao_cmd_status != ao_cmd_success) + return; + _ao_config_edit_start(); + ao_config.aprs_interval = ao_cmd_lex_i; + _ao_config_edit_finish(); +} + +#endif /* HAS_APRS */ + +#if HAS_RADIO_AMP + +void +ao_config_radio_amp_show(void) +{ + printf ("Radio amp setting: %d\n", ao_config.radio_amp); +} + +void +ao_config_radio_amp_set(void) +{ + ao_cmd_decimal(); + if (ao_cmd_status != ao_cmd_success) + return; + _ao_config_edit_start(); + ao_config.radio_amp = ao_cmd_lex_i; + _ao_config_edit_finish(); +} + +#endif + +#if HAS_RADIO_POWER + +void +ao_config_radio_power_show(void) +{ + printf ("Radio power setting: %d\n", ao_config.radio_power); +} + +void +ao_config_radio_power_set(void) +{ + ao_cmd_decimal(); + if (ao_cmd_status != ao_cmd_success) + return; + _ao_config_edit_start(); + ao_config.radio_power = ao_cmd_lex_i; + _ao_config_edit_finish(); +} + +#endif + +struct ao_config_var { + __code char *str; + void (*set)(void) __reentrant; + void (*show)(void) __reentrant; +}; + +static void +ao_config_help(void) __reentrant; + +static void +ao_config_show(void) __reentrant; + +#if HAS_EEPROM +static void +ao_config_save(void) __reentrant; +#endif + +__code struct ao_config_var ao_config_vars[] = { +#if HAS_FLIGHT + { "m <meters>\0Main deploy (m)", + ao_config_main_deploy_set, ao_config_main_deploy_show, }, + { "d <delay>\0Apogee delay (s)", + ao_config_apogee_delay_set, ao_config_apogee_delay_show }, + { "L <seconds>\0Apogee detect lockout (s)", + ao_config_apogee_lockout_set, ao_config_apogee_lockout_show, }, +#endif /* HAS_FLIGHT */ +#if HAS_RADIO + { "F <freq>\0Frequency (kHz)", + ao_config_frequency_set, ao_config_frequency_show }, + { "c <call>\0Callsign (8 char max)", + ao_config_callsign_set, ao_config_callsign_show }, + { "e <0 disable, 1 enable>\0Enable telemetry and RDF", + ao_config_radio_enable_set, ao_config_radio_enable_show }, + { "f <cal>\0Radio calib (cal = rf/(xtal/2^16))", + ao_config_radio_cal_set, ao_config_radio_cal_show }, +#if HAS_RADIO_POWER + { "p <setting>\0Radio power setting (0-255)", + ao_config_radio_power_set, ao_config_radio_power_show }, +#endif +#if HAS_RADIO_AMP + { "d <setting>\0Radio amplifier setting (0-3)", + ao_config_radio_amp_set, ao_config_radio_amp_show }, +#endif +#endif /* HAS_RADIO */ +#if HAS_ACCEL + { "a <+g> <-g>\0Accel calib (0 for auto)", + ao_config_accel_calibrate_set,ao_config_accel_calibrate_show }, + { "o <0 antenna up, 1 antenna down>\0Set pad orientation", + ao_config_pad_orientation_set,ao_config_pad_orientation_show }, +#endif /* HAS_ACCEL */ +#if HAS_LOG + { "l <size>\0Flight log size (kB)", + ao_config_log_set, ao_config_log_show }, +#endif +#if HAS_IGNITE + { "i <0 dual, 1 apogee, 2 main>\0Set igniter mode", + ao_config_ignite_mode_set, ao_config_ignite_mode_show }, +#endif +#if HAS_AES + { "k <32 hex digits>\0Set AES encryption key", + ao_config_key_set, ao_config_key_show }, +#endif +#if AO_PYRO_NUM + { "P <n,?>\0Configure pyro channels", + ao_pyro_set, ao_pyro_show }, +#endif +#if HAS_APRS + { "A <secs>\0APRS packet interval (0 disable)", + ao_config_aprs_set, ao_config_aprs_show }, +#endif + { "s\0Show", + ao_config_show, 0 }, +#if HAS_EEPROM + { "w\0Write to eeprom", + ao_config_save, 0 }, +#endif + { "?\0Help", + ao_config_help, 0 }, + { 0, 0, 0 } +}; + +void +ao_config_set(void) +{ + char c; + uint8_t cmd; + + ao_cmd_white(); + c = ao_cmd_lex_c; + ao_cmd_lex(); + for (cmd = 0; ao_config_vars[cmd].str != NULL; cmd++) + if (ao_config_vars[cmd].str[0] == c) { + (*ao_config_vars[cmd].set)(); + return; + } + ao_cmd_status = ao_cmd_syntax_error; +} + +static void +ao_config_help(void) __reentrant +{ + uint8_t cmd; + for (cmd = 0; ao_config_vars[cmd].str != NULL; cmd++) + printf("%-20s %s\n", + ao_config_vars[cmd].str, + ao_config_vars[cmd].str+1+ + strlen(ao_config_vars[cmd].str)); +} + +static void +ao_config_show(void) __reentrant +{ + uint8_t cmd; + ao_config_get(); + printf("Config version: %d.%d\n", + ao_config.major, ao_config.minor); + for (cmd = 0; ao_config_vars[cmd].str != NULL; cmd++) + if (ao_config_vars[cmd].show) + (*ao_config_vars[cmd].show)(); +#if HAS_MS5607 + ao_ms5607_info(); +#endif +} + +#if HAS_EEPROM +static void +ao_config_save(void) __reentrant +{ + uint8_t saved = 0; + ao_mutex_get(&ao_config_mutex); + if (ao_config_dirty) { + _ao_config_put(); + ao_config_dirty = 0; + saved = 1; + } + ao_mutex_put(&ao_config_mutex); + if (saved) + puts("Saved"); + else + puts("Nothing to save"); +} +#endif + +__code struct ao_cmds ao_config_cmds[] = { + { ao_config_set, "c <var> <value>\0Set config (? for help, s to show)" }, + { 0, NULL }, +}; + +void +ao_config_init(void) +{ + ao_cmd_register(&ao_config_cmds[0]); +} diff --git a/src/kernel/ao_config.h b/src/kernel/ao_config.h new file mode 100644 index 00000000..e101af8e --- /dev/null +++ b/src/kernel/ao_config.h @@ -0,0 +1,53 @@ +/* + * Copyright © 2013 Keith Packard <keithp@keithp.com> + * + * This program is free software; you can redistribute it and/or modify + * it under the terms of the GNU General Public License as published by + * the Free Software Foundation; version 2 of the License. + * + * This program is distributed in the hope that it will be useful, but + * WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU + * General Public License for more details. + * + * You should have received a copy of the GNU General Public License along + * with this program; if not, write to the Free Software Foundation, Inc., + * 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA. + */ + +#ifndef _AO_CONFIG_H_ +#define _AO_CONFIG_H_ + +#ifndef USE_STORAGE_CONFIG +#define USE_STORAGE_CONFIG 1 +#endif + +#ifndef USE_EEPROM_CONFIG +#define USE_EEPROM_CONFIG 0 +#endif + +#if USE_STORAGE_CONFIG + +#include <ao_storage.h> + +#define ao_config_setup() ao_storage_setup() +#define ao_config_erase() ao_storage_erase(ao_storage_config) +#define ao_config_write(pos,bytes, len) ao_storage_write(ao_storage_config+(pos), bytes, len) +#define ao_config_read(pos,bytes, len) ao_storage_read(ao_storage_config+(pos), bytes, len) +#define ao_config_flush() ao_storage_flush() + +#endif + +#if USE_EEPROM_CONFIG + +#include <ao_eeprom.h> + +#define ao_config_setup() +#define ao_config_erase() +#define ao_config_write(pos,bytes, len) ao_eeprom_write(pos, bytes, len) +#define ao_config_read(pos,bytes, len) ao_eeprom_read(pos, bytes, len) +#define ao_config_flush() + +#endif + +#endif /* _AO_CONFIG_H_ */ diff --git a/src/kernel/ao_convert.c b/src/kernel/ao_convert.c new file mode 100644 index 00000000..aa9b5f48 --- /dev/null +++ b/src/kernel/ao_convert.c @@ -0,0 +1,89 @@ +/* + * Copyright © 2009 Keith Packard <keithp@keithp.com> + * + * This program is free software; you can redistribute it and/or modify + * it under the terms of the GNU General Public License as published by + * the Free Software Foundation; version 2 of the License. + * + * This program is distributed in the hope that it will be useful, but + * WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU + * General Public License for more details. + * + * You should have received a copy of the GNU General Public License along + * with this program; if not, write to the Free Software Foundation, Inc., + * 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA. + */ + +#if !defined(AO_CONVERT_TEST) && !defined(AO_FLIGHT_TEST) +#include "ao.h" +#endif + +static const int16_t altitude_table[] = { +#include "altitude.h" +}; + +#define ALT_FRAC_SCALE (1 << ALT_FRAC_BITS) +#define ALT_FRAC_MASK (ALT_FRAC_SCALE - 1) + +int16_t +ao_pres_to_altitude(int16_t pres) __reentrant +{ + uint8_t o; + int16_t part; + + if (pres < 0) + pres = 0; + o = pres >> ALT_FRAC_BITS; + part = pres & ALT_FRAC_MASK; + + return ((int32_t) altitude_table[o] * (ALT_FRAC_SCALE - part) + + (int32_t) altitude_table[o+1] * part + (ALT_FRAC_SCALE >> 1)) >> ALT_FRAC_BITS; +} + +#if AO_NEED_ALTITUDE_TO_PRES +int16_t +ao_altitude_to_pres(int16_t alt) __reentrant +{ + int16_t span, sub_span; + uint8_t l, h, m; + int32_t pres; + + l = 0; + h = NALT - 1; + while ((h - l) != 1) { + m = (l + h) >> 1; + if (altitude_table[m] < alt) + h = m; + else + l = m; + } + span = altitude_table[l] - altitude_table[h]; + sub_span = altitude_table[l] - alt; + pres = ((((int32_t) l * (span - sub_span) + (int32_t) h * sub_span) << ALT_FRAC_BITS) + (span >> 1)) / span; + if (pres > 32767) + pres = 32767; + if (pres < 0) + pres = 0; + return (int16_t) pres; +} +#endif + +#if 0 +int16_t +ao_temp_to_dC(int16_t temp) __reentrant +{ + int16_t ret; + + /* Output voltage at 0°C = 0.755V + * Coefficient = 0.00247V/°C + * Reference voltage = 1.25V + * + * temp = ((value / 32767) * 1.25 - 0.755) / 0.00247 + * = (value - 19791.268) / 32768 * 1.25 / 0.00247 + * ≃ (value - 19791) * 1012 / 65536 + */ + ret = ((temp - 19791) * 1012L) >> 16; + return ret; +} +#endif diff --git a/src/kernel/ao_convert_pa.c b/src/kernel/ao_convert_pa.c new file mode 100644 index 00000000..fe6e0ef6 --- /dev/null +++ b/src/kernel/ao_convert_pa.c @@ -0,0 +1,82 @@ +/* + * Copyright © 2012 Keith Packard <keithp@keithp.com> + * + * This program is free software; you can redistribute it and/or modify + * it under the terms of the GNU General Public License as published by + * the Free Software Foundation; version 2 of the License. + * + * This program is distributed in the hope that it will be useful, but + * WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU + * General Public License for more details. + * + * You should have received a copy of the GNU General Public License along + * with this program; if not, write to the Free Software Foundation, Inc., + * 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA. + */ + +#if !defined(AO_CONVERT_TEST) && !defined(AO_FLIGHT_TEST) +#include "ao.h" +#endif + +#ifndef AO_CONST_ATTRIB +#define AO_CONST_ATTRIB +#endif + +static const alt_t altitude_table[] AO_CONST_ATTRIB = { +#include "altitude-pa.h" +}; + +#ifndef FETCH_ALT +#define FETCH_ALT(o) altitude_table[o] +#endif + +#define ALT_SCALE (1 << ALT_SHIFT) +#define ALT_MASK (ALT_SCALE - 1) + +alt_t +ao_pa_to_altitude(int32_t pa) +{ + int16_t o; + int16_t part; + int32_t low, high; + + if (pa < 0) + pa = 0; + if (pa > 120000L) + pa = 120000L; + o = pa >> ALT_SHIFT; + part = pa & ALT_MASK; + + low = (int32_t) FETCH_ALT(o) * (ALT_SCALE - part); + high = (int32_t) FETCH_ALT(o+1) * part + (ALT_SCALE >> 1); + return (low + high) >> ALT_SHIFT; +} + +#ifdef AO_CONVERT_TEST +int32_t +ao_altitude_to_pa(int32_t alt) +{ + int32_t span, sub_span; + uint16_t l, h, m; + int32_t pa; + + l = 0; + h = NALT - 1; + while ((h - l) != 1) { + m = (l + h) >> 1; + if (altitude_table[m] < alt) + h = m; + else + l = m; + } + span = altitude_table[l] - altitude_table[h]; + sub_span = altitude_table[l] - alt; + pa = ((((int32_t) l * (span - sub_span) + (int32_t) h * sub_span) << ALT_SHIFT) + (span >> 1)) / span; + if (pa > 120000) + pa = 120000; + if (pa < 0) + pa = 0; + return pa; +} +#endif diff --git a/src/kernel/ao_convert_pa_test.c b/src/kernel/ao_convert_pa_test.c new file mode 100644 index 00000000..7d5b1922 --- /dev/null +++ b/src/kernel/ao_convert_pa_test.c @@ -0,0 +1,76 @@ +/* + * Copyright © 2012 Keith Packard <keithp@keithp.com> + * + * This program is free software; you can redistribute it and/or modify + * it under the terms of the GNU General Public License as published by + * the Free Software Foundation; version 2 of the License. + * + * This program is distributed in the hope that it will be useful, but + * WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU + * General Public License for more details. + * + * You should have received a copy of the GNU General Public License along + * with this program; if not, write to the Free Software Foundation, Inc., + * 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA. + */ + +#include <stdint.h> +#define AO_CONVERT_TEST +typedef int32_t alt_t; +#include "ao_host.h" +#include "ao_convert_pa.c" + +#define STEP_P 1 +#define STEP_A 1 + +static inline int i_abs(int i) { return i < 0 ? -i : i; } + +int +main (int argc, char **argv) +{ + int i; + int32_t p_to_a, p_to_a_to_p; + int32_t a_to_p, a_to_p_to_a; + int max_p_error = 0, max_p_error_p = -1; + int max_a_error = 0, max_a_error_a = -1; + int p_error; + int a_error; + int ret = 0; + + for (i = 0; i < 120000 + STEP_P; i += STEP_P) { + if (i > 120000) + i = 120000; + p_to_a = ao_pa_to_altitude(i); + p_to_a_to_p = ao_altitude_to_pa(p_to_a); + p_error = i_abs(p_to_a_to_p - i); + if (p_error > max_p_error) { + max_p_error = p_error; + max_p_error_p = i; + } +// printf ("pa %d alt %d pa %d\n", +// i, p_to_a, p_to_a_to_p); + } + for (i = -1450; i < 40000 + STEP_A; i += STEP_A) { + a_to_p = ao_altitude_to_pa(i); + a_to_p_to_a = ao_pa_to_altitude(a_to_p); + a_error = i_abs(a_to_p_to_a - i); + if (a_error > max_a_error) { + max_a_error = a_error; + max_a_error_a = i; + } +// printf ("alt %d pa %d alt %d\n", +// i, a_to_p, a_to_p_to_a); + } + if (max_p_error > 2) { + printf ("max p error %d at %d\n", max_p_error, + max_p_error_p); + ret++; + } + if (max_a_error > 1) { + printf ("max a error %d at %d\n", max_a_error, + max_a_error_a); + ret++; + } + return ret; +} diff --git a/src/kernel/ao_convert_test.c b/src/kernel/ao_convert_test.c new file mode 100644 index 00000000..87e76841 --- /dev/null +++ b/src/kernel/ao_convert_test.c @@ -0,0 +1,76 @@ +/* + * Copyright © 2010 Keith Packard <keithp@keithp.com> + * + * This program is free software; you can redistribute it and/or modify + * it under the terms of the GNU General Public License as published by + * the Free Software Foundation; version 2 of the License. + * + * This program is distributed in the hope that it will be useful, but + * WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU + * General Public License for more details. + * + * You should have received a copy of the GNU General Public License along + * with this program; if not, write to the Free Software Foundation, Inc., + * 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA. + */ + +#include <stdint.h> +#define AO_CONVERT_TEST +#define AO_NEED_ALTITUDE_TO_PRES 1 +#include "ao_host.h" +#include "ao_convert.c" + +#define STEP 1 + +static inline int i_abs(int i) { return i < 0 ? -i : i; } + +int main (int argc, char **argv) +{ + int i; + int16_t p_to_a, p_to_a_to_p; + int16_t a_to_p, a_to_p_to_a; + int max_p_error = 0, max_p_error_p = -1; + int max_a_error = 0, max_a_error_a = -1; + int p_error; + int a_error; + int ret = 0; + + for (i = 0; i < 32767 + STEP; i += STEP) { + if (i > 32767) + i = 32767; + p_to_a = ao_pres_to_altitude(i); + p_to_a_to_p = ao_altitude_to_pres(p_to_a); + p_error = i_abs(p_to_a_to_p - i); + if (p_error > max_p_error) { + max_p_error = p_error; + max_p_error_p = i; + } +// printf ("pres %d alt %d pres %d\n", +// i, p_to_a, p_to_a_to_p); + } + for (i = -1578; i < 15835 + STEP; i += STEP) { + if (i > 15835) + i = 15835; + a_to_p = ao_altitude_to_pres(i); + a_to_p_to_a = ao_pres_to_altitude(a_to_p); + a_error = i_abs(a_to_p_to_a - i); + if (a_error > max_a_error) { + max_a_error = a_error; + max_a_error_a = i; + } +// printf ("alt %d pres %d alt %d\n", +// i, a_to_p, a_to_p_to_a); + } + if (max_p_error > 2) { + printf ("max p error %d at %d\n", max_p_error, + max_p_error_p); + ret++; + } + if (max_a_error > 1) { + printf ("max a error %d at %d\n", max_a_error, + max_a_error_a); + ret++; + } + return ret; +} diff --git a/src/kernel/ao_convert_volt.c b/src/kernel/ao_convert_volt.c new file mode 100644 index 00000000..8556d423 --- /dev/null +++ b/src/kernel/ao_convert_volt.c @@ -0,0 +1,33 @@ +/* + * Copyright © 2014 Keith Packard <keithp@keithp.com> + * + * This program is free software; you can redistribute it and/or modify + * it under the terms of the GNU General Public License as published by + * the Free Software Foundation; version 2 of the License. + * + * This program is distributed in the hope that it will be useful, but + * WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU + * General Public License for more details. + * + * You should have received a copy of the GNU General Public License along + * with this program; if not, write to the Free Software Foundation, Inc., + * 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA. + */ + +#include "ao.h" + +#define scale(v,p,m) ((int32_t) (v) * (AO_ADC_REFERENCE_DV * ((p) + (m))) / (AO_ADC_MAX * (m))) + +int16_t +ao_battery_decivolt(int16_t adc) +{ + return scale(adc, AO_BATTERY_DIV_PLUS, AO_BATTERY_DIV_MINUS); +} + +int16_t +ao_ignite_decivolt(int16_t adc) +{ + return scale(adc, AO_IGNITE_DIV_PLUS, AO_IGNITE_DIV_MINUS); +} + diff --git a/src/kernel/ao_data.c b/src/kernel/ao_data.c new file mode 100644 index 00000000..6a3d02a1 --- /dev/null +++ b/src/kernel/ao_data.c @@ -0,0 +1,36 @@ +/* + * Copyright © 2012 Keith Packard <keithp@keithp.com> + * + * This program is free software; you can redistribute it and/or modify + * it under the terms of the GNU General Public License as published by + * the Free Software Foundation; version 2 of the License. + * + * This program is distributed in the hope that it will be useful, but + * WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU + * General Public License for more details. + * + * You should have received a copy of the GNU General Public License along + * with this program; if not, write to the Free Software Foundation, Inc., + * 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA. + */ + +#include <ao.h> +#include <ao_data.h> + +volatile __xdata struct ao_data ao_data_ring[AO_DATA_RING]; +volatile __data uint8_t ao_data_head; +volatile __data uint8_t ao_data_present; + +#ifndef ao_data_count +void +ao_data_get(__xdata struct ao_data *packet) +{ +#if HAS_FLIGHT + uint8_t i = ao_data_ring_prev(ao_sample_data); +#else + uint8_t i = ao_data_ring_prev(ao_data_head); +#endif + memcpy(packet, (void *) &ao_data_ring[i], sizeof (struct ao_data)); +} +#endif diff --git a/src/kernel/ao_data.h b/src/kernel/ao_data.h new file mode 100644 index 00000000..c4b062fd --- /dev/null +++ b/src/kernel/ao_data.h @@ -0,0 +1,338 @@ +/* + * Copyright © 2012 Keith Packard <keithp@keithp.com> + * + * This program is free software; you can redistribute it and/or modify + * it under the terms of the GNU General Public License as published by + * the Free Software Foundation; version 2 of the License. + * + * This program is distributed in the hope that it will be useful, but + * WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU + * General Public License for more details. + * + * You should have received a copy of the GNU General Public License along + * with this program; if not, write to the Free Software Foundation, Inc., + * 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA. + */ + +#ifndef _AO_DATA_H_ +#define _AO_DATA_H_ + +#define GRAVITY 9.80665 + +#if HAS_ADC +#define AO_DATA_ADC (1 << 0) +#else +#define AO_DATA_ADC 0 +#endif + +#if HAS_MS5607 +#include <ao_ms5607.h> +#define AO_DATA_MS5607 (1 << 1) +#else +#define AO_DATA_MS5607 0 +#endif + +#if HAS_MPU6000 +#include <ao_mpu6000.h> +#define AO_DATA_MPU6000 (1 << 2) +#else +#define AO_DATA_MPU6000 0 +#endif + +#if HAS_HMC5883 +#include <ao_hmc5883.h> +#define AO_DATA_HMC5883 (1 << 3) +#else +#define AO_DATA_HMC5883 0 +#endif + +#if HAS_MMA655X +#include <ao_mma655x.h> +#define AO_DATA_MMA655X (1 << 4) +#else +#define AO_DATA_MMA655X 0 +#endif + +#ifdef AO_DATA_RING + +#define AO_DATA_ALL (AO_DATA_ADC|AO_DATA_MS5607|AO_DATA_MPU6000|AO_DATA_HMC5883|AO_DATA_MMA655X) + +struct ao_data { + uint16_t tick; +#if HAS_ADC + struct ao_adc adc; +#endif +#if HAS_MS5607 + struct ao_ms5607_sample ms5607_raw; + struct ao_ms5607_value ms5607_cooked; +#endif +#if HAS_MPU6000 + struct ao_mpu6000_sample mpu6000; +#if !HAS_MMA655X + int16_t z_accel; +#endif +#endif +#if HAS_HMC5883 + struct ao_hmc5883_sample hmc5883; +#endif +#if HAS_MMA655X + uint16_t mma655x; +#endif +}; + +#define ao_data_ring_next(n) (((n) + 1) & (AO_DATA_RING - 1)) +#define ao_data_ring_prev(n) (((n) - 1) & (AO_DATA_RING - 1)) + +/* Get a copy of the last complete sample set */ +void +ao_data_get(__xdata struct ao_data *packet); + +extern volatile __xdata struct ao_data ao_data_ring[AO_DATA_RING]; +extern volatile __data uint8_t ao_data_head; +extern volatile __data uint8_t ao_data_present; +extern volatile __data uint8_t ao_data_count; + +/* + * Mark a section of data as ready, check for data complete + */ +#define AO_DATA_PRESENT(bit) (ao_data_present |= (bit)) + +/* + * Wait until it is time to write a sensor sample; this is + * signaled by the timer tick + */ +#define AO_DATA_WAIT() do { \ + ao_sleep(DATA_TO_XDATA ((void *) &ao_data_count)); \ + } while (0) + +#endif /* AO_DATA_RING */ + +#if !HAS_BARO && HAS_MS5607 + +/* Either an MS5607 or an MS5611 hooked to a SPI port + */ + +#define HAS_BARO 1 + +typedef int32_t pres_t; + +#ifndef AO_ALT_TYPE +#define AO_ALT_TYPE int32_t +#endif + +typedef AO_ALT_TYPE alt_t; + +#define ao_data_pres_cook(packet) ao_ms5607_convert(&packet->ms5607_raw, &packet->ms5607_cooked) + +#define ao_data_pres(packet) ((packet)->ms5607_cooked.pres) +#define ao_data_temp(packet) ((packet)->ms5607_cooked.temp) + +#define pres_to_altitude(p) ao_pa_to_altitude(p) + +#endif + +#if !HAS_BARO && HAS_ADC + +#define HAS_BARO 1 + +typedef int16_t pres_t; +typedef int16_t alt_t; + +#define ao_data_pres(packet) ((packet)->adc.pres) +#define ao_data_temp(packet) ((packet)->adc.temp) +#define pres_to_altitude(p) ao_pres_to_altitude(p) +#define ao_data_pres_cook(p) + +#endif + +#if !HAS_BARO +typedef int16_t alt_t; +#endif + +/* + * Need a few macros to pull data from the sensors: + * + * ao_data_accel_sample - pull raw sensor and convert to normalized values + * ao_data_accel - pull normalized value (lives in the same memory) + * ao_data_set_accel - store normalized value back in the sensor location + * ao_data_accel_invert - flip rocket ends for positive acceleration + */ + +#if HAS_ACCEL + +/* This section is for an analog accelerometer hooked to one of the ADC pins. As + * those are 5V parts, this also requires that the 5V supply be hooked to to anothe ADC + * pin so that the both can be measured to correct for changes between the 3.3V and 5V rails + */ + +typedef int16_t accel_t; +#define ao_data_accel(packet) ((packet)->adc.accel) +#define ao_data_set_accel(packet, a) ((packet)->adc.accel = (a)) +#define ao_data_accel_invert(a) (0x7fff -(a)) + +/* + * Ok, the math here is a bit tricky. + * + * ao_sample_accel: ADC output for acceleration + * ao_accel_ref: ADC output for the 5V reference. + * ao_cook_accel: Corrected acceleration value + * Vcc: 3.3V supply to the CC1111 + * Vac: 5V supply to the accelerometer + * accel: input voltage to accelerometer ADC pin + * ref: input voltage to 5V reference ADC pin + * + * + * Measured acceleration is ratiometric to Vcc: + * + * ao_sample_accel accel + * ------------ = ----- + * 32767 Vcc + * + * Measured 5v reference is also ratiometric to Vcc: + * + * ao_accel_ref ref + * ------------ = ----- + * 32767 Vcc + * + * + * ao_accel_ref = 32767 * (ref / Vcc) + * + * Acceleration is measured ratiometric to the 5V supply, + * so what we want is: + * + * ao_cook_accel accel + * ------------- = ----- + * 32767 ref + * + * + * accel Vcc + * = ----- * --- + * Vcc ref + * + * ao_sample_accel 32767 + * = ------------ * ------------ + * 32767 ao_accel_ref + * + * Multiply through by 32767: + * + * ao_sample_accel * 32767 + * ao_cook_accel = -------------------- + * ao_accel_ref + * + * Now, the tricky part. Getting this to compile efficiently + * and keeping all of the values in-range. + * + * First off, we need to use a shift of 16 instead of * 32767 as SDCC + * does the obvious optimizations for byte-granularity shifts: + * + * ao_cook_accel = (ao_sample_accel << 16) / ao_accel_ref + * + * Next, lets check our input ranges: + * + * 0 <= ao_sample_accel <= 0x7fff (singled ended ADC conversion) + * 0x7000 <= ao_accel_ref <= 0x7fff (the 5V ref value is close to 0x7fff) + * + * Plugging in our input ranges, we get an output range of 0 - 0x12490, + * which is 17 bits. That won't work. If we take the accel ref and shift + * by a bit, we'll change its range: + * + * 0xe000 <= ao_accel_ref<<1 <= 0xfffe + * + * ao_cook_accel = (ao_sample_accel << 16) / (ao_accel_ref << 1) + * + * Now the output range is 0 - 0x9248, which nicely fits in 16 bits. It + * is, however, one bit too large for our signed computations. So, we + * take the result and shift that by a bit: + * + * ao_cook_accel = ((ao_sample_accel << 16) / (ao_accel_ref << 1)) >> 1 + * + * This finally creates an output range of 0 - 0x4924. As the ADC only + * provides 11 bits of data, we haven't actually lost any precision, + * just dropped a bit of noise off the low end. + */ + +#if HAS_ACCEL_REF + +#define ao_data_accel_cook(packet) \ + ((uint16_t) ((((uint32_t) (packet)->adc.accel << 16) / ((packet)->adc.accel_ref << 1))) >> 1) + +#else + +#define ao_data_accel_cook(packet) ((packet)->adc.accel) + +#endif /* HAS_ACCEL_REF */ + +#endif /* HAS_ACCEL */ + +#if !HAS_ACCEL && HAS_MMA655X + +#define HAS_ACCEL 1 + +typedef int16_t accel_t; + +/* MMA655X is hooked up so that positive values represent negative acceleration */ + +#define AO_ACCEL_INVERT 4095 + +#define ao_data_accel(packet) ((packet)->mma655x) +#if AO_MMA655X_INVERT +#define ao_data_accel_cook(packet) (AO_ACCEL_INVERT - (packet)->mma655x) +#else +#define ao_data_accel_cook(packet) ((packet)->mma655x) +#endif +#define ao_data_set_accel(packet, accel) ((packet)->mma655x = (accel)) +#define ao_data_accel_invert(accel) (AO_ACCEL_INVERT - (accel)) + +#endif + +#if !HAS_ACCEL && HAS_MPU6000 + +#define HAS_ACCEL 1 + +#define AO_ACCEL_INVERT 0 + +typedef int16_t accel_t; + +/* MPU6000 is hooked up so that positive y is positive acceleration */ +#define ao_data_accel(packet) ((packet)->z_accel) +#define ao_data_accel_cook(packet) (-(packet)->mpu6000.accel_y) +#define ao_data_set_accel(packet, accel) ((packet)->z_accel = (accel)) +#define ao_data_accel_invert(a) (-(a)) + +#endif + +#if !HAS_GYRO && HAS_MPU6000 + +#define HAS_GYRO 1 + +typedef int16_t gyro_t; /* in raw sample units */ +typedef int16_t angle_t; /* in degrees */ + +/* Y axis is aligned with the direction of motion (along) */ +/* X axis is aligned in the other board axis (across) */ +/* Z axis is aligned perpendicular to the board (through) */ + +#define ao_data_along(packet) ((packet)->mpu6000.accel_y) +#define ao_data_across(packet) ((packet)->mpu6000.accel_x) +#define ao_data_through(packet) ((packet)->mpu6000.accel_z) + +#define ao_data_roll(packet) ((packet)->mpu6000.gyro_y) +#define ao_data_pitch(packet) ((packet)->mpu6000.gyro_x) +#define ao_data_yaw(packet) ((packet)->mpu6000.gyro_z) + +#endif + +#if !HAS_MAG && HAS_HMC5883 + +#define HAS_MAG 1 + +typedef int16_t ao_mag_t; /* in raw sample units */ + +#define ao_data_mag_along(packet) ((packet)->hmc5883.x) +#define ao_data_mag_across(packet) ((packet)->hmc5883.y) +#define ao_data_mag_through(packet) ((packet)->hmc5883.z) + +#endif + +#endif /* _AO_DATA_H_ */ diff --git a/src/kernel/ao_dbg.h b/src/kernel/ao_dbg.h new file mode 100644 index 00000000..181e6ec2 --- /dev/null +++ b/src/kernel/ao_dbg.h @@ -0,0 +1,62 @@ +/* + * Copyright © 2012 Keith Packard <keithp@keithp.com> + * + * This program is free software; you can redistribute it and/or modify + * it under the terms of the GNU General Public License as published by + * the Free Software Foundation; version 2 of the License. + * + * This program is distributed in the hope that it will be useful, but + * WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU + * General Public License for more details. + * + * You should have received a copy of the GNU General Public License along + * with this program; if not, write to the Free Software Foundation, Inc., + * 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA. + */ + +#ifndef _AO_DBG_H_ +#define _AO_DBG_H_ + +/* + * ao_dbg.c + * + * debug another telemetrum board + */ + +/* Send a byte to the dbg target */ +void +ao_dbg_send_byte(uint8_t byte); + +/* Receive a byte from the dbg target */ +uint8_t +ao_dbg_recv_byte(void); + +/* Start a bulk transfer to/from dbg target memory */ +void +ao_dbg_start_transfer(uint16_t addr); + +/* End a bulk transfer to/from dbg target memory */ +void +ao_dbg_end_transfer(void); + +/* Write a byte to dbg target memory */ +void +ao_dbg_write_byte(uint8_t byte); + +/* Read a byte from dbg target memory */ +uint8_t +ao_dbg_read_byte(void); + +/* Enable dbg mode, switching use of the pins */ +void +ao_dbg_debug_mode(void); + +/* Reset the dbg target */ +void +ao_dbg_reset(void); + +void +ao_dbg_init(void); + +#endif /* _AO_DBG_H_ */ diff --git a/src/kernel/ao_debounce.c b/src/kernel/ao_debounce.c new file mode 100644 index 00000000..b9d67729 --- /dev/null +++ b/src/kernel/ao_debounce.c @@ -0,0 +1,163 @@ +/* + * Copyright © 2013 Keith Packard <keithp@keithp.com> + * + * This program is free software; you can redistribute it and/or modify + * it under the terms of the GNU General Public License as published by + * the Free Software Foundation; version 2 of the License. + * + * This program is distributed in the hope that it will be useful, but + * WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU + * General Public License for more details. + * + * You should have received a copy of the GNU General Public License along + * with this program; if not, write to the Free Software Foundation, Inc., + * 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA. + */ + +#include <ao.h> +#include <ao_debounce.h> +#include <ao_fast_timer.h> + +static uint8_t ao_debounce_initialized; +static uint8_t ao_debounce_running; +static struct ao_debounce *ao_debounce; + +static uint8_t values[64]; +static uint8_t n; + +#define d_step(n) (((n) + 1) & 63) + +static void +_ao_debounce_set(struct ao_debounce *debounce, uint8_t value) +{ + if (value != debounce->value) { + values[n] = value; + n = (n + 1) & 63; + debounce->value = value; + debounce->_set(debounce, value); + } + _ao_debounce_stop(debounce); +} + +void +ao_debounce_dump(void) +{ + uint8_t s; + + for (s = 0; s < n; s++) { + printf ("%d: %d\n", + s, values[s]); + } + n = 0; +} + +/* + * Get the current value, set the result when we've + * reached the debounce count limit + */ +static void +_ao_debounce_check(struct ao_debounce *debounce) +{ + uint8_t next = debounce->_get(debounce); + + if (next == debounce->current) { + if (debounce->count < debounce->hold) { + if (++debounce->count == debounce->hold) + _ao_debounce_set(debounce, debounce->current); + } + } else { + debounce->count = 0; + debounce->current = next; + } +} + +static void +_ao_debounce_isr(void) +{ + struct ao_debounce *debounce, *next; + + for (debounce = ao_debounce; debounce; debounce = next) { + next = debounce->next; + _ao_debounce_check(debounce); + } +} + +static void +ao_debounce_on(void) +{ + ao_fast_timer_on(_ao_debounce_isr); +} + +static void +ao_debounce_off(void) +{ + ao_fast_timer_off(_ao_debounce_isr); +} + +/* + * Start monitoring one pin + */ +void +_ao_debounce_start(struct ao_debounce *debounce) +{ + uint32_t m; + + m = ao_arch_irqsave(); + if (!debounce->running) { + debounce->running = 1; + + /* Reset the counter */ + debounce->count = 0; + + /* Link into list */ + debounce->next = ao_debounce; + ao_debounce = debounce; + + /* Make sure the timer is running */ + if (!ao_debounce_running++) + ao_debounce_on(); + + /* And go check the current value */ + _ao_debounce_check(debounce); + } + ao_arch_irqrestore(m); +} + +/* + * Stop monitoring one pin + */ +void +_ao_debounce_stop(struct ao_debounce *debounce) +{ + struct ao_debounce **prev; + uint32_t m; + + m = ao_arch_irqsave(); + if (debounce->running) { + debounce->running = 0; + + /* Unlink */ + for (prev = &ao_debounce; (*prev); prev = &((*prev)->next)) { + if (*prev == debounce) { + *prev = debounce->next; + break; + } + } + debounce->next = NULL; + + /* Turn off the timer if possible */ + if (!--ao_debounce_running) + ao_debounce_off(); + } + ao_arch_irqrestore(m); +} + +void +ao_debounce_init(void) +{ + if (ao_debounce_initialized) + return; + ao_debounce_initialized = 1; + ao_fast_timer_init(); +} diff --git a/src/kernel/ao_debounce.h b/src/kernel/ao_debounce.h new file mode 100644 index 00000000..19c620f5 --- /dev/null +++ b/src/kernel/ao_debounce.h @@ -0,0 +1,74 @@ +/* + * Copyright © 2013 Keith Packard <keithp@keithp.com> + * + * This program is free software; you can redistribute it and/or modify + * it under the terms of the GNU General Public License as published by + * the Free Software Foundation; version 2 of the License. + * + * This program is distributed in the hope that it will be useful, but + * WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU + * General Public License for more details. + * + * You should have received a copy of the GNU General Public License along + * with this program; if not, write to the Free Software Foundation, Inc., + * 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA. + */ + +#ifndef _AO_DEBOUNCE_H_ +#define _AO_DEBOUNCE_H_ + +struct ao_debounce { + struct ao_debounce *next; + + /* time that pin value must be stable before accepting */ + uint8_t hold; + + /* last value reported to app; don't report it twice */ + uint8_t value; + + /* current value received from pins */ + uint8_t current; + + /* current count of intervals pin value has been stable */ + uint8_t count; + + /* This pin is running */ + uint8_t running; + + /* Get the current pin value */ + uint8_t (*_get)(struct ao_debounce *debounce); + + /* The stable value has changed */ + void (*_set)(struct ao_debounce *debounce, uint8_t value); +}; + +static inline void +ao_debounce_config(struct ao_debounce *debounce, + uint8_t (*_get)(struct ao_debounce *debounce), + void (*_set)(struct ao_debounce *debounce, uint8_t value), + uint8_t hold) +{ + debounce->next = 0; + debounce->hold = hold; + debounce->value = 0xff; + debounce->current = 0xff; + debounce->count = 0; + debounce->running = 0; + debounce->_get = _get; + debounce->_set = _set; +} + +void +_ao_debounce_start(struct ao_debounce *debounce); + +void +_ao_debounce_stop(struct ao_debounce *debounce); + +void +ao_debounce_init(void); + +void +ao_debounce_dump(void); + +#endif /* _AO_DEBOUNCE_H_ */ diff --git a/src/kernel/ao_ee_fake.c b/src/kernel/ao_ee_fake.c new file mode 100644 index 00000000..7fcfcab0 --- /dev/null +++ b/src/kernel/ao_ee_fake.c @@ -0,0 +1,37 @@ +/* + * Copyright © 2009 Keith Packard <keithp@keithp.com> + * + * This program is free software; you can redistribute it and/or modify + * it under the terms of the GNU General Public License as published by + * the Free Software Foundation; version 2 of the License. + * + * This program is distributed in the hope that it will be useful, but + * WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU + * General Public License for more details. + * + * You should have received a copy of the GNU General Public License along + * with this program; if not, write to the Free Software Foundation, Inc., + * 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA. + */ + +#include "ao.h" + +/* + * For hardware without eeprom, the config code still + * wants to call these functions + */ +uint8_t +ao_ee_write_config(uint8_t *buf, uint16_t len) __reentrant +{ + (void) buf; + (void) len; + return 1; +} + +uint8_t +ao_ee_read_config(uint8_t *buf, uint16_t len) __reentrant +{ + ao_xmemset(buf, '\0', len); + return 1; +} diff --git a/src/kernel/ao_eeprom.h b/src/kernel/ao_eeprom.h new file mode 100644 index 00000000..915522bf --- /dev/null +++ b/src/kernel/ao_eeprom.h @@ -0,0 +1,43 @@ +/* + * Copyright © 2013 Keith Packard <keithp@keithp.com> + * + * This program is free software; you can redistribute it and/or modify + * it under the terms of the GNU General Public License as published by + * the Free Software Foundation; version 2 of the License. + * + * This program is distributed in the hope that it will be useful, but + * WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU + * General Public License for more details. + * + * You should have received a copy of the GNU General Public License along + * with this program; if not, write to the Free Software Foundation, Inc., + * 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA. + */ + +#ifndef _AO_EEPROM_H_ +#define _AO_EEPROM_H_ + +extern const ao_pos_t ao_eeprom_total; + +/* + * Write to eeprom + */ + +uint8_t +ao_eeprom_write(ao_pos_t pos32, __xdata void *v, uint16_t len); + +/* + * Read from eeprom + */ +uint8_t +ao_eeprom_read(ao_pos_t pos, __xdata void *v, uint16_t len); + +/* + * Initialize eeprom + */ + +void +ao_eeprom_init(void); + +#endif /* _AO_EEPROM_H_ */ diff --git a/src/kernel/ao_fec.h b/src/kernel/ao_fec.h new file mode 100644 index 00000000..618756c1 --- /dev/null +++ b/src/kernel/ao_fec.h @@ -0,0 +1,84 @@ +/* + * Copyright © 2012 Keith Packard <keithp@keithp.com> + * + * This program is free software; you can redistribute it and/or modify + * it under the terms of the GNU General Public License as published by + * the Free Software Foundation; version 2 of the License. + * + * This program is distributed in the hope that it will be useful, but + * WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU + * General Public License for more details. + * + * You should have received a copy of the GNU General Public License along + * with this program; if not, write to the Free Software Foundation, Inc., + * 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA. + */ + +#ifndef _AO_FEC_H_ +#define _AO_FEC_H_ + +#include <stdint.h> + +#define AO_FEC_CRC_INIT 0xffff +#define AO_FEC_TRELLIS_TERMINATOR 0x0b +#define AO_FEC_PREPARE_EXTRA 4 + +extern const uint8_t ao_fec_whiten_table[]; + +#if AO_FEC_DEBUG +void +ao_fec_dump_bytes(const uint8_t *bytes, uint16_t len, const char *name); +#endif + +static inline uint16_t +ao_fec_crc_byte(uint8_t byte, uint16_t crc) +{ + uint8_t bit; + + for (bit = 0; bit < 8; bit++) { + if (((crc & 0x8000) >> 8) ^ (byte & 0x80)) + crc = (crc << 1) ^ 0x8005; + else + crc = (crc << 1); + byte <<= 1; + } + return crc; +} + +uint16_t +ao_fec_crc(const uint8_t *bytes, uint8_t len); + +/* + * 'len' is the length of the original data; 'bytes' + * must be four bytes longer than that, and the first + * two after 'len' must be the received crc + */ +uint8_t +ao_fec_check_crc(const uint8_t *bytes, uint8_t len); + +/* + * Compute CRC, whiten, convolve and interleave data. 'out' must be (len + 4) * 2 bytes long + */ +uint8_t +ao_fec_encode(const uint8_t *in, uint8_t len, uint8_t *out); + +/* + * Decode data. 'in' is one byte per bit, soft decision + * 'out' must be len/8 bytes long + */ + +#define AO_FEC_DECODE_BLOCK (32) /* callback must return multiples of this many bits */ + +#define AO_FEC_DECODE_CRC_OK 0x80 /* stored in out[out_len-1] */ + +uint8_t +ao_fec_decode(const uint8_t *in, uint16_t in_len, uint8_t *out, uint8_t out_len, uint16_t (*callback)(void)); + +/* + * Interleave data packed in bytes. 'out' must be 'len' bytes long. + */ +uint16_t +ao_fec_interleave_bytes(uint8_t *in, uint16_t len, uint8_t *out); + +#endif /* _AO_FEC_H_ */ diff --git a/src/kernel/ao_fec_rx.c b/src/kernel/ao_fec_rx.c new file mode 100644 index 00000000..c4f5559a --- /dev/null +++ b/src/kernel/ao_fec_rx.c @@ -0,0 +1,318 @@ +/* + * Copyright © 2012 Keith Packard <keithp@keithp.com> + * + * This program is free software; you can redistribute it and/or modify + * it under the terms of the GNU General Public License as published by + * the Free Software Foundation; version 2 of the License. + * + * This program is distributed in the hope that it will be useful, but + * WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU + * General Public License for more details. + * + * You should have received a copy of the GNU General Public License along + * with this program; if not, write to the Free Software Foundation, Inc., + * 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA. + */ + +#include <ao_fec.h> +#include <stdio.h> + +#ifdef TELEMEGA +#include <ao.h> +#endif + +#if AO_PROFILE +#include <ao_profile.h> + +uint32_t ao_fec_decode_start, ao_fec_decode_end; +#endif + +/* + * byte order repeats through 3 2 1 0 + * + * bit-pair order repeats through + * + * 1/0 3/2 5/4 7/6 + * + * So, the over all order is: + * + * 3,1/0 2,1/0 1,1/0 0,1/0 + * 3,3/2 2,3/2 1,3/2 0,3/2 + * 3,5/4 2,5/4 1,5/4 0,5/4 + * 3,7/6 2,7/6 1,7/6 0,7/6 + * + * The raw bit order is thus + * + * 1e/1f 16/17 0e/0f 06/07 + * 1c/1d 14/15 0c/0d 04/05 + * 1a/1b 12/13 0a/0b 02/03 + * 18/19 10/11 08/09 00/01 + */ + +static const uint8_t ao_interleave_order[] = { + 0x1e, 0x16, 0x0e, 0x06, + 0x1c, 0x14, 0x0c, 0x04, + 0x1a, 0x12, 0x0a, 0x02, + 0x18, 0x10, 0x08, 0x00 +}; + +static inline uint16_t ao_interleave_index(uint16_t i) { + return (i & ~0x1e) | ao_interleave_order[(i & 0x1e) >> 1]; +} + +#define NUM_STATE 8 +#define NUM_HIST 24 + +typedef uint32_t bits_t; + +#define V_0 0xff +#define V_1 0x00 + +/* + * These are just the 'zero' states; the 'one' states mirror them + */ +static const uint8_t ao_fec_decode_table[NUM_STATE*2] = { + V_0, V_0, /* 000 */ + V_0, V_1, /* 001 */ + V_1, V_1, /* 010 */ + V_1, V_0, /* 011 */ + V_1, V_1, /* 100 */ + V_1, V_0, /* 101 */ + V_0, V_0, /* 110 */ + V_0, V_1 /* 111 */ +}; + +static inline uint8_t +ao_next_state(uint8_t state, uint8_t bit) +{ + return ((state << 1) | bit) & 0x7; +} + +/* + * 'in' is 8-bits per symbol soft decision data + * 'len' is input byte length. 'out' must be + * 'len'/16 bytes long + */ + +uint8_t +ao_fec_decode(const uint8_t *in, uint16_t len, uint8_t *out, uint8_t out_len, uint16_t (*callback)(void)) +{ + static uint32_t cost[2][NUM_STATE]; /* path cost */ + static bits_t bits[2][NUM_STATE]; /* save bits to quickly output them */ + + uint16_t i; /* input byte index */ + uint16_t b; /* encoded symbol index (bytes/2) */ + uint16_t o; /* output bit index */ + uint8_t p; /* previous cost/bits index */ + uint8_t n; /* next cost/bits index */ + uint8_t state; /* state index */ + const uint8_t *whiten = ao_fec_whiten_table; + uint16_t interleave; /* input byte array index */ + uint8_t s0, s1; + uint16_t avail; + uint16_t crc = AO_FEC_CRC_INIT; +#if AO_PROFILE + uint32_t start_tick; +#endif + + p = 0; + for (state = 0; state < NUM_STATE; state++) { + cost[0][state] = 0x7fffffff; + bits[0][state] = 0; + } + cost[0][0] = 0; + + if (callback) + avail = 0; + else + avail = len; + +#if AO_PROFILE + if (!avail) { + avail = callback(); + if (!avail) + return 0; + } + start_tick = ao_profile_tick(); +#endif + o = 0; + for (i = 0; i < len; i += 2) { + b = i/2; + n = p ^ 1; + + if (!avail) { + avail = callback(); + if (!avail) + return 0; + } + + /* Fetch one pair of input bytes, de-interleaving + * the input. + */ + interleave = ao_interleave_index(i); + s0 = in[interleave]; + s1 = in[interleave+1]; + + avail -= 2; + + /* Compute path costs and accumulate output bit path + * for each state and encoded bit value. Unrolling + * this loop is worth about > 30% performance boost. + * Decoding 76-byte remote access packets is reduced + * from 14.700ms to 9.3ms. Redoing the loop to + * directly compare the two pasts for each future state + * reduces this down to 5.7ms + */ + + /* Ok, of course this is tricky, it's optimized. + * + * First, it's important to realize that we have 8 + * states representing the combinations of the three + * most recent bits from the encoder. Flipping any + * of these three bits flips both output bits. + * + * 'state<<1' represents the target state for a new + * bit value of 0. '(state<<1)+1' represents the + * target state for a new bit value of 1. + * + * 'state' is the previous state with an oldest bit + * value of 0. 'state + 4' is the previous state with + * an oldest bit value of 1. These two states will + * either lead to 'state<<1' or '(state<<1)+1', depending + * on whether the next encoded bit was a zero or a one. + * + * m0 and m1 are the cost of coming to 'state<<1' from + * one of the two possible previous states 'state' and + * 'state + 4'. + * + * Because we know the expected values of each + * received bit are flipped between these two previous + * states: + * + * bitcost(state+4) = 510 - bitcost(state) + * + * With those two total costs in hand, we then pick + * the lower as the cost of the 'state<<1', and compute + * the path of bits leading to that state. + * + * Then, do the same for '(state<<1) + 1'. This time, + * instead of computing the m0 and m1 values from + * scratch, because the only difference is that we're + * expecting a one bit instead of a zero bit, we just + * flip the bitcost values around to match the + * expected transmitted bits with some tricky + * arithmetic which is equivalent to: + * + * m0 = cost[p][state] + (510 - bitcost); + * m1 = cost[p][state+4] + bitcost + * + * Then, the lowest cost and bit trace of the new state + * is saved. + */ + +#define DO_STATE(state) { \ + uint32_t bitcost; \ + \ + uint32_t m0; \ + uint32_t m1; \ + uint32_t bit; \ + \ + bitcost = ((uint32_t) (s0 ^ ao_fec_decode_table[(state<<1)]) + \ + (uint32_t) (s1 ^ ao_fec_decode_table[(state<<1)|1])); \ + \ + m0 = cost[p][state] + bitcost; \ + m1 = cost[p][state+4] + (510 - bitcost); \ + bit = m0 > m1; \ + cost[n][state<<1] = bit ? m1 : m0; \ + bits[n][state<<1] = (bits[p][state + (bit<<2)] << 1) | (state&1); \ + \ + m0 -= (bitcost+bitcost-510); \ + m1 += (bitcost+bitcost-510); \ + bit = m0 > m1; \ + cost[n][(state<<1)+1] = bit ? m1 : m0; \ + bits[n][(state<<1)+1] = (bits[p][state + (bit<<2)] << 1) | (state&1); \ + } + + DO_STATE(0); + DO_STATE(1); + DO_STATE(2); + DO_STATE(3); + +#if 0 + printf ("bit %3d symbol %2x %2x:", i/2, s0, s1); + for (state = 0; state < NUM_STATE; state++) { + printf (" %8u(%08x)", cost[n][state], bits[n][state]); + } + printf ("\n"); +#endif + p = n; + + /* A loop is needed to handle the last output byte. It + * won't have any bits of future data to perform full + * error correction, but we might as well give the + * best possible answer anyways. + */ + while ((b - o) >= (8 + NUM_HIST) || (i + 2 >= len && b > o)) { + + /* Compute number of bits to the end of the + * last full byte of data. This is generally + * NUM_HIST, unless we've reached + * the end of the input, in which case + * it will be seven. + */ + int8_t dist = b - (o + 8); /* distance to last ready-for-writing bit */ + uint32_t min_cost; /* lowest cost */ + uint8_t min_state; /* lowest cost state */ + uint8_t byte; + + /* Find the best fit at the current point + * of the decode. + */ + min_cost = cost[p][0]; + min_state = 0; + for (state = 1; state < NUM_STATE; state++) { + if (cost[p][state] < min_cost) { + min_cost = cost[p][state]; + min_state = state; + } + } + + /* The very last byte of data has the very last bit + * of data left in the state value; just smash the + * bits value in place and reset the 'dist' from + * -1 to 0 so that the full byte is read out + */ + if (dist < 0) { + bits[p][min_state] = (bits[p][min_state] << 1) | (min_state & 1); + dist = 0; + } + +#if 0 + printf ("\tbit %3d min_cost %5d old bit %3d old_state %x bits %02x whiten %0x\n", + i/2, min_cost, o + 8, min_state, (bits[p][min_state] >> dist) & 0xff, *whiten); +#endif + byte = (bits[p][min_state] >> dist) ^ *whiten++; + *out++ = byte; + if (out_len > 2) + crc = ao_fec_crc_byte(byte, crc); + + if (!--out_len) { + if ((out[-2] == (uint8_t) (crc >> 8)) && + out[-1] == (uint8_t) crc) + out[-1] = AO_FEC_DECODE_CRC_OK; + else + out[-1] = 0; + out[-2] = 0; + goto done; + } + o += 8; + } + } +done: +#if AO_PROFILE + ao_fec_decode_start = start_tick; + ao_fec_decode_end = ao_profile_tick(); +#endif + return 1; +} diff --git a/src/kernel/ao_fec_tx.c b/src/kernel/ao_fec_tx.c new file mode 100644 index 00000000..4941d745 --- /dev/null +++ b/src/kernel/ao_fec_tx.c @@ -0,0 +1,134 @@ +/* + * Copyright © 2012 Keith Packard <keithp@keithp.com> + * + * This program is free software; you can redistribute it and/or modify + * it under the terms of the GNU General Public License as published by + * the Free Software Foundation; version 2 of the License. + * + * This program is distributed in the hope that it will be useful, but + * WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU + * General Public License for more details. + * + * You should have received a copy of the GNU General Public License along + * with this program; if not, write to the Free Software Foundation, Inc., + * 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA. + */ + +#include <ao_fec.h> +#include <stdio.h> + +#if AO_FEC_DEBUG +void +ao_fec_dump_bytes(const uint8_t *bytes, uint16_t len, const char *name) +{ + uint16_t i; + + printf ("%s (%d):", name, len); + for (i = 0; i < len; i++) { + if ((i & 7) == 0) + printf ("\n\t%02x:", i); + printf(" %02x", bytes[i]); + } + printf ("\n"); +} +#endif + +uint16_t +ao_fec_crc(const uint8_t *bytes, uint8_t len) +{ + uint16_t crc = AO_FEC_CRC_INIT; + + while (len--) + crc = ao_fec_crc_byte(*bytes++, crc); + return crc; +} + +/* + * len is the length of the data; the crc will be + * the fist two bytes after that + */ + +uint8_t +ao_fec_check_crc(const uint8_t *bytes, uint8_t len) +{ + uint16_t computed_crc = ao_fec_crc(bytes, len); + uint16_t received_crc = (bytes[len] << 8) | (bytes[len+1]); + + return computed_crc == received_crc; +} + +/* + * Compute CRC and trellis-terminator/interleave-pad bytes + */ +static uint8_t +ao_fec_prepare(const uint8_t *in, uint8_t len, uint8_t *extra) +{ + uint16_t crc = ao_fec_crc (in, len); + uint8_t i = 0; + uint8_t num_fec; + + /* Append CRC */ + extra[i++] = crc >> 8; + extra[i++] = crc; + + /* Append FEC -- 1 byte if odd, two bytes if even */ + num_fec = 2 - (i & 1); + while (num_fec--) + extra[i++] = AO_FEC_TRELLIS_TERMINATOR; + return i; +} + +const uint8_t ao_fec_whiten_table[] = { +#include "ao_whiten.h" +}; + +static const uint8_t ao_fec_encode_table[16] = { +/* next 0 1 state */ + 0, 3, /* 000 */ + 1, 2, /* 001 */ + 3, 0, /* 010 */ + 2, 1, /* 011 */ + 3, 0, /* 100 */ + 2, 1, /* 101 */ + 0, 3, /* 110 */ + 1, 2 /* 111 */ +}; + +uint8_t +ao_fec_encode(const uint8_t *in, uint8_t len, uint8_t *out) +{ + uint8_t extra[AO_FEC_PREPARE_EXTRA]; + uint8_t extra_len; + uint32_t encode, interleave; + uint8_t pair, byte, bit; + uint16_t fec = 0; + const uint8_t *whiten = ao_fec_whiten_table; + + extra_len = ao_fec_prepare(in, len, extra); + for (pair = 0; pair < len + extra_len; pair += 2) { + encode = 0; + for (byte = 0; byte < 2; byte++) { + if (pair + byte == len) + in = extra; + fec |= *in++ ^ *whiten++; + for (bit = 0; bit < 8; bit++) { + encode = encode << 2 | ao_fec_encode_table[fec >> 7]; + fec = (fec << 1) & 0x7ff; + } + } + + interleave = 0; + for (bit = 0; bit < 4 * 4; bit++) { + uint8_t byte_shift = (bit & 0x3) << 3; + uint8_t bit_shift = (bit & 0xc) >> 1; + + interleave = (interleave << 2) | ((encode >> (byte_shift + bit_shift)) & 0x3); + } + *out++ = interleave >> 24; + *out++ = interleave >> 16; + *out++ = interleave >> 8; + *out++ = interleave >> 0; + } + return (len + extra_len) * 2; +} diff --git a/src/kernel/ao_flight.c b/src/kernel/ao_flight.c new file mode 100644 index 00000000..24099347 --- /dev/null +++ b/src/kernel/ao_flight.c @@ -0,0 +1,472 @@ +/* + * Copyright © 2009 Keith Packard <keithp@keithp.com> + * + * This program is free software; you can redistribute it and/or modify + * it under the terms of the GNU General Public License as published by + * the Free Software Foundation; version 2 of the License. + * + * This program is distributed in the hope that it will be useful, but + * WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU + * General Public License for more details. + * + * You should have received a copy of the GNU General Public License along + * with this program; if not, write to the Free Software Foundation, Inc., + * 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA. + */ + +#ifndef AO_FLIGHT_TEST +#include "ao.h" +#include <ao_log.h> +#endif + +#if HAS_MPU6000 +#include <ao_quaternion.h> +#endif + +#ifndef HAS_ACCEL +#error Please define HAS_ACCEL +#endif + +#ifndef HAS_GPS +#error Please define HAS_GPS +#endif + +#ifndef HAS_USB +#error Please define HAS_USB +#endif + +#ifndef HAS_TELEMETRY +#define HAS_TELEMETRY HAS_RADIO +#endif + +/* Main flight thread. */ + +__pdata enum ao_flight_state ao_flight_state; /* current flight state */ +__pdata uint16_t ao_boost_tick; /* time of launch detect */ +__pdata uint16_t ao_motor_number; /* number of motors burned so far */ + +#if HAS_SENSOR_ERRORS +/* Any sensor can set this to mark the flight computer as 'broken' */ +__xdata uint8_t ao_sensor_errors; +#endif + +/* + * track min/max data over a long interval to detect + * resting + */ +static __data uint16_t ao_interval_end; +static __data int16_t ao_interval_min_height; +static __data int16_t ao_interval_max_height; +#if HAS_ACCEL +static __data int16_t ao_coast_avg_accel; +#endif + +__pdata uint8_t ao_flight_force_idle; + +/* We also have a clock, which can be used to sanity check things in + * case of other failures + */ + +#define BOOST_TICKS_MAX AO_SEC_TO_TICKS(15) + +/* Landing is detected by getting constant readings from both pressure and accelerometer + * for a fairly long time (AO_INTERVAL_TICKS) + */ +#define AO_INTERVAL_TICKS AO_SEC_TO_TICKS(10) + +#define abs(a) ((a) < 0 ? -(a) : (a)) + +void +ao_flight(void) +{ + ao_sample_init(); + ao_flight_state = ao_flight_startup; + for (;;) { + + /* + * Process ADC samples, just looping + * until the sensors are calibrated. + */ + if (!ao_sample()) + continue; + + switch (ao_flight_state) { + case ao_flight_startup: + + /* Check to see what mode we should go to. + * - Invalid mode if accel cal appears to be out + * - pad mode if we're upright, + * - idle mode otherwise + */ +#if HAS_ACCEL + if (ao_config.accel_plus_g == 0 || + ao_config.accel_minus_g == 0 || + ao_ground_accel < ao_config.accel_plus_g - ACCEL_NOSE_UP || + ao_ground_accel > ao_config.accel_minus_g + ACCEL_NOSE_UP || + ao_ground_height < -1000 || + ao_ground_height > 7000) + { + /* Detected an accel value outside -1.5g to 1.5g + * (or uncalibrated values), so we go into invalid mode + */ + ao_flight_state = ao_flight_invalid; + +#if HAS_RADIO && PACKET_HAS_SLAVE + /* Turn on packet system in invalid mode on TeleMetrum */ + ao_packet_slave_start(); +#endif + } else +#endif + if (!ao_flight_force_idle +#if HAS_ACCEL + && ao_ground_accel < ao_config.accel_plus_g + ACCEL_NOSE_UP +#endif + ) + { + /* Set pad mode - we can fly! */ + ao_flight_state = ao_flight_pad; +#if HAS_USB && !HAS_FLIGHT_DEBUG && !HAS_SAMPLE_PROFILE + /* Disable the USB controller in flight mode + * to save power + */ + ao_usb_disable(); +#endif + +#if !HAS_ACCEL && PACKET_HAS_SLAVE + /* Disable packet mode in pad state on TeleMini */ + ao_packet_slave_stop(); +#endif + +#if HAS_TELEMETRY + /* Turn on telemetry system */ + ao_rdf_set(1); + ao_telemetry_set_interval(AO_TELEMETRY_INTERVAL_PAD); +#endif +#if AO_LED_RED + /* signal successful initialization by turning off the LED */ + ao_led_off(AO_LED_RED); +#endif + } else { + /* Set idle mode */ + ao_flight_state = ao_flight_idle; +#if HAS_SENSOR_ERRORS + if (ao_sensor_errors) + ao_flight_state = ao_flight_invalid; +#endif + +#if HAS_ACCEL && HAS_RADIO && PACKET_HAS_SLAVE + /* Turn on packet system in idle mode on TeleMetrum */ + ao_packet_slave_start(); +#endif + +#if AO_LED_RED + /* signal successful initialization by turning off the LED */ + ao_led_off(AO_LED_RED); +#endif + } + /* wakeup threads due to state change */ + ao_wakeup(DATA_TO_XDATA(&ao_flight_state)); + + break; + case ao_flight_pad: + + /* pad to boost: + * + * barometer: > 20m vertical motion + * OR + * accelerometer: > 2g AND velocity > 5m/s + * + * The accelerometer should always detect motion before + * the barometer, but we use both to make sure this + * transition is detected. If the device + * doesn't have an accelerometer, then ignore the + * speed and acceleration as they are quite noisy + * on the pad. + */ + if (ao_height > AO_M_TO_HEIGHT(20) +#if HAS_ACCEL + || (ao_accel > AO_MSS_TO_ACCEL(20) && + ao_speed > AO_MS_TO_SPEED(5)) +#endif + ) + { + ao_flight_state = ao_flight_boost; + ao_boost_tick = ao_sample_tick; + + /* start logging data */ + ao_log_start(); + +#if HAS_TELEMETRY + /* Increase telemetry rate */ + ao_telemetry_set_interval(AO_TELEMETRY_INTERVAL_FLIGHT); + + /* disable RDF beacon */ + ao_rdf_set(0); +#endif + +#if HAS_GPS + /* Record current GPS position by waking up GPS log tasks */ + ao_gps_new = AO_GPS_NEW_DATA | AO_GPS_NEW_TRACKING; + ao_wakeup(&ao_gps_new); +#endif + + ao_wakeup(DATA_TO_XDATA(&ao_flight_state)); + } + break; + case ao_flight_boost: + + /* boost to fast: + * + * accelerometer: start to fall at > 1/4 G + * OR + * time: boost for more than 15 seconds + * + * Detects motor burn out by the switch from acceleration to + * deceleration, or by waiting until the maximum burn duration + * (15 seconds) has past. + */ + if ((ao_accel < AO_MSS_TO_ACCEL(-2.5) && ao_height > AO_M_TO_HEIGHT(100)) || + (int16_t) (ao_sample_tick - ao_boost_tick) > BOOST_TICKS_MAX) + { +#if HAS_ACCEL + ao_flight_state = ao_flight_fast; + ao_coast_avg_accel = ao_accel; +#else + ao_flight_state = ao_flight_coast; +#endif + ++ao_motor_number; + ao_wakeup(DATA_TO_XDATA(&ao_flight_state)); + } + break; +#if HAS_ACCEL + case ao_flight_fast: + /* + * This is essentially the same as coast, + * but the barometer is being ignored as + * it may be unreliable. + */ + if (ao_speed < AO_MS_TO_SPEED(AO_MAX_BARO_SPEED)) + { + ao_flight_state = ao_flight_coast; + ao_wakeup(DATA_TO_XDATA(&ao_flight_state)); + } else + goto check_re_boost; + break; +#endif + case ao_flight_coast: + + /* + * By customer request - allow the user + * to lock out apogee detection for a specified + * number of seconds. + */ + if (ao_config.apogee_lockout) { + if ((ao_sample_tick - ao_boost_tick) < + AO_SEC_TO_TICKS(ao_config.apogee_lockout)) + break; + } + + /* apogee detect: coast to drogue deploy: + * + * speed: < 0 + * + * Also make sure the model altitude is tracking + * the measured altitude reasonably closely; otherwise + * we're probably transsonic. + */ + if (ao_speed < 0 +#if !HAS_ACCEL + && (ao_sample_alt >= AO_MAX_BARO_HEIGHT || ao_error_h_sq_avg < 100) +#endif + ) + { +#if HAS_IGNITE + /* ignite the drogue charge */ + ao_ignite(ao_igniter_drogue); +#endif + +#if HAS_TELEMETRY + /* slow down the telemetry system */ + ao_telemetry_set_interval(AO_TELEMETRY_INTERVAL_RECOVER); + + /* Turn the RDF beacon back on */ + ao_rdf_set(1); +#endif + + /* and enter drogue state */ + ao_flight_state = ao_flight_drogue; + ao_wakeup(DATA_TO_XDATA(&ao_flight_state)); + } +#if HAS_ACCEL + else { + check_re_boost: + ao_coast_avg_accel = ao_coast_avg_accel - (ao_coast_avg_accel >> 6) + (ao_accel >> 6); + if (ao_coast_avg_accel > AO_MSS_TO_ACCEL(20)) { + ao_boost_tick = ao_sample_tick; + ao_flight_state = ao_flight_boost; + ao_wakeup(DATA_TO_XDATA(&ao_flight_state)); + } + } +#endif + + break; + case ao_flight_drogue: + + /* drogue to main deploy: + * + * barometer: reach main deploy altitude + * + * Would like to use the accelerometer for this test, but + * the orientation of the flight computer is unknown after + * drogue deploy, so we ignore it. Could also detect + * high descent rate using the pressure sensor to + * recognize drogue deploy failure and eject the main + * at that point. Perhaps also use the drogue sense lines + * to notice continutity? + */ + if (ao_height <= ao_config.main_deploy) + { +#if HAS_IGNITE + ao_ignite(ao_igniter_main); +#endif + + /* + * Start recording min/max height + * to figure out when the rocket has landed + */ + + /* initialize interval values */ + ao_interval_end = ao_sample_tick + AO_INTERVAL_TICKS; + + ao_interval_min_height = ao_interval_max_height = ao_avg_height; + + ao_flight_state = ao_flight_main; + ao_wakeup(DATA_TO_XDATA(&ao_flight_state)); + } + break; + + /* fall through... */ + case ao_flight_main: + + /* main to land: + * + * barometer: altitude stable + */ + + if (ao_avg_height < ao_interval_min_height) + ao_interval_min_height = ao_avg_height; + if (ao_avg_height > ao_interval_max_height) + ao_interval_max_height = ao_avg_height; + + if ((int16_t) (ao_sample_tick - ao_interval_end) >= 0) { + if (ao_interval_max_height - ao_interval_min_height <= AO_M_TO_HEIGHT(4)) + { + ao_flight_state = ao_flight_landed; + + /* turn off the ADC capture */ + ao_timer_set_adc_interval(0); + + ao_wakeup(DATA_TO_XDATA(&ao_flight_state)); + } + ao_interval_min_height = ao_interval_max_height = ao_avg_height; + ao_interval_end = ao_sample_tick + AO_INTERVAL_TICKS; + } + break; +#if HAS_FLIGHT_DEBUG + case ao_flight_test: +#if HAS_GYRO + printf ("angle %4d pitch %7d yaw %7d roll %7d\n", + ao_sample_orient, + ((ao_sample_pitch << 9) - ao_ground_pitch) >> 9, + ((ao_sample_yaw << 9) - ao_ground_yaw) >> 9, + ((ao_sample_roll << 9) - ao_ground_roll) >> 9); +#endif + flush(); + break; +#endif /* HAS_FLIGHT_DEBUG */ + default: + break; + } + } +} + +#if HAS_FLIGHT_DEBUG +static inline int int_part(int16_t i) { return i >> 4; } +static inline int frac_part(int16_t i) { return ((i & 0xf) * 100 + 8) / 16; } + +static void +ao_flight_dump(void) +{ +#if HAS_ACCEL + int16_t accel; + + accel = ((ao_config.accel_plus_g - ao_sample_accel) * ao_accel_scale) >> 16; +#endif + + printf ("sample:\n"); + printf (" tick %d\n", ao_sample_tick); + printf (" raw pres %d\n", ao_sample_pres); +#if HAS_ACCEL + printf (" raw accel %d\n", ao_sample_accel); +#endif + printf (" ground pres %d\n", ao_ground_pres); + printf (" ground alt %d\n", ao_ground_height); +#if HAS_ACCEL + printf (" raw accel %d\n", ao_sample_accel); + printf (" groundaccel %d\n", ao_ground_accel); + printf (" accel_2g %d\n", ao_accel_2g); +#endif + + printf (" alt %d\n", ao_sample_alt); + printf (" height %d\n", ao_sample_height); +#if HAS_ACCEL + printf (" accel %d.%02d\n", int_part(accel), frac_part(accel)); +#endif + + + printf ("kalman:\n"); + printf (" height %d\n", ao_height); + printf (" speed %d.%02d\n", int_part(ao_speed), frac_part(ao_speed)); + printf (" accel %d.%02d\n", int_part(ao_accel), frac_part(ao_accel)); + printf (" max_height %d\n", ao_max_height); + printf (" avg_height %d\n", ao_avg_height); + printf (" error_h %d\n", ao_error_h); + printf (" error_avg %d\n", ao_error_h_sq_avg); +} + +static void +ao_gyro_test(void) +{ + ao_flight_state = ao_flight_test; + ao_getchar(); + ao_flight_state = ao_flight_idle; +} + +uint8_t ao_orient_test; + +static void +ao_orient_test_select(void) +{ + ao_orient_test = !ao_orient_test; +} + +__code struct ao_cmds ao_flight_cmds[] = { + { ao_flight_dump, "F\0Dump flight status" }, + { ao_gyro_test, "G\0Test gyro code" }, + { ao_orient_test_select,"O\0Test orientation code" }, + { 0, NULL }, +}; +#endif + +static __xdata struct ao_task flight_task; + +void +ao_flight_init(void) +{ + ao_flight_state = ao_flight_startup; +#if HAS_FLIGHT_DEBUG + ao_cmd_register(&ao_flight_cmds[0]); +#endif + ao_add_task(&flight_task, ao_flight, "flight"); +} diff --git a/src/kernel/ao_flight.h b/src/kernel/ao_flight.h new file mode 100644 index 00000000..01d21c11 --- /dev/null +++ b/src/kernel/ao_flight.h @@ -0,0 +1,70 @@ +/* + * Copyright © 2012 Keith Packard <keithp@keithp.com> + * + * This program is free software; you can redistribute it and/or modify + * it under the terms of the GNU General Public License as published by + * the Free Software Foundation; version 2 of the License. + * + * This program is distributed in the hope that it will be useful, but + * WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU + * General Public License for more details. + * + * You should have received a copy of the GNU General Public License along + * with this program; if not, write to the Free Software Foundation, Inc., + * 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA. + */ + +#ifndef _AO_FLIGHT_H_ +#define _AO_FLIGHT_H_ + + +/* + * ao_flight.c + */ + +enum ao_flight_state { + ao_flight_startup = 0, + ao_flight_idle = 1, + ao_flight_pad = 2, + ao_flight_boost = 3, + ao_flight_fast = 4, + ao_flight_coast = 5, + ao_flight_drogue = 6, + ao_flight_main = 7, + ao_flight_landed = 8, + ao_flight_invalid = 9, + ao_flight_test = 10 +}; + +extern __pdata enum ao_flight_state ao_flight_state; +extern __pdata uint16_t ao_boost_tick; +extern __pdata uint16_t ao_motor_number; + +#if HAS_IMU || HAS_MMA655X +#define HAS_SENSOR_ERRORS 1 +#endif + +#if HAS_SENSOR_ERRORS +extern __xdata uint8_t ao_sensor_errors; +#endif + +extern __pdata uint16_t ao_launch_time; +extern __pdata uint8_t ao_flight_force_idle; + +/* Flight thread */ +void +ao_flight(void); + +/* Initialize flight thread */ +void +ao_flight_init(void); + +/* + * ao_flight_nano.c + */ + +void +ao_flight_nano_init(void); + +#endif /* _AO_FLIGHT_H_ */ diff --git a/src/kernel/ao_flight_nano.c b/src/kernel/ao_flight_nano.c new file mode 100644 index 00000000..406d81ad --- /dev/null +++ b/src/kernel/ao_flight_nano.c @@ -0,0 +1,120 @@ +/* + * Copyright © 2011 Keith Packard <keithp@keithp.com> + * + * This program is free software; you can redistribute it and/or modify + * it under the terms of the GNU General Public License as published by + * the Free Software Foundation; version 2 of the License. + * + * This program is distributed in the hope that it will be useful, but + * WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU + * General Public License for more details. + * + * You should have received a copy of the GNU General Public License along + * with this program; if not, write to the Free Software Foundation, Inc., + * 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA. + */ + +#include "ao.h" + +/* Main flight thread. */ + +__pdata enum ao_flight_state ao_flight_state; /* current flight state */ +__pdata uint16_t ao_launch_tick; /* time of launch detect */ + +/* + * track min/max data over a long interval to detect + * resting + */ +__pdata uint16_t ao_interval_end; +__pdata alt_t ao_interval_min_height; +__pdata alt_t ao_interval_max_height; + +__pdata uint8_t ao_flight_force_idle; + +/* Landing is detected by getting constant readings from both pressure and accelerometer + * for a fairly long time (AO_INTERVAL_TICKS) + */ +#define AO_INTERVAL_TICKS AO_SEC_TO_TICKS(5) + +static void +ao_flight_nano(void) +{ + ao_sample_init(); + ao_flight_state = ao_flight_startup; + + for (;;) { + /* + * Process ADC samples, just looping + * until the sensors are calibrated. + */ + if (!ao_sample()) + continue; + + switch (ao_flight_state) { + case ao_flight_startup: + if (ao_flight_force_idle) { + /* Set idle mode */ + ao_flight_state = ao_flight_idle; + } else { + ao_flight_state = ao_flight_pad; + /* Disable packet mode in pad state */ + ao_packet_slave_stop(); + + /* Turn on telemetry system */ + ao_rdf_set(1); + ao_telemetry_set_interval(AO_TELEMETRY_INTERVAL_PAD); + } + /* signal successful initialization by turning off the LED */ + ao_led_off(AO_LED_RED); + + /* wakeup threads due to state change */ + ao_wakeup(DATA_TO_XDATA(&ao_flight_state)); + break; + case ao_flight_pad: + if (ao_height> AO_M_TO_HEIGHT(20)) { + ao_flight_state = ao_flight_drogue; + ao_launch_tick = ao_sample_tick; + + /* start logging data */ + ao_log_start(); + + ao_wakeup(DATA_TO_XDATA(&ao_flight_state)); + } + break; + case ao_flight_drogue: + /* drogue/main to land: + * + * barometer: altitude stable + */ + + if (ao_height < ao_interval_min_height) + ao_interval_min_height = ao_height; + if (ao_height > ao_interval_max_height) + ao_interval_max_height = ao_height; + + if ((int16_t) (ao_sample_tick - ao_interval_end) >= 0) { + if (ao_interval_max_height - ao_interval_min_height < AO_M_TO_HEIGHT(5)) + { + ao_flight_state = ao_flight_landed; + + /* turn off the ADC capture */ + ao_timer_set_adc_interval(0); + ao_wakeup(DATA_TO_XDATA(&ao_flight_state)); + } + ao_interval_min_height = ao_interval_max_height = ao_height; + ao_interval_end = ao_sample_tick + AO_INTERVAL_TICKS; + } + break; + } + } +} + +static __xdata struct ao_task flight_task; + +void +ao_flight_nano_init(void) +{ + ao_flight_state = ao_flight_startup; + ao_add_task(&flight_task, ao_flight_nano, "flight"); +} diff --git a/src/kernel/ao_freq.c b/src/kernel/ao_freq.c new file mode 100644 index 00000000..12496f6f --- /dev/null +++ b/src/kernel/ao_freq.c @@ -0,0 +1,55 @@ +/* + * Copyright © 2012 Keith Packard <keithp@keithp.com> + * + * This program is free software; you can redistribute it and/or modify + * it under the terms of the GNU General Public License as published by + * the Free Software Foundation; version 2 of the License. + * + * This program is distributed in the hope that it will be useful, but + * WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU + * General Public License for more details. + * + * You should have received a copy of the GNU General Public License along + * with this program; if not, write to the Free Software Foundation, Inc., + * 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA. + */ + +#include <ao.h> + +/* + * The provided 'calibration' value is + * that needed to tune the radio to precisely 434550kHz. + * Use that to 'walk' to the target frequency by following + * a 'bresenham' line from 434550kHz to the target + * frequency, and updating the radio setting along the way + */ + +int32_t ao_freq_to_set(int32_t freq, int32_t cal) __reentrant +{ + static __pdata int32_t set; + static __pdata uint8_t neg; + static __pdata int32_t error; + + set = 0; + neg = 0; + error = -434550 / 2; + + if ((freq -= 434550) < 0) { + neg = 1; + freq = -freq; + } + for (;;) { + if (error > 0) { + error -= 434550; + set++; + } else { + error += cal; + if (--freq < 0) + break; + } + } + if (neg) + set = -set; + return cal + set; +} diff --git a/src/kernel/ao_gps_print.c b/src/kernel/ao_gps_print.c new file mode 100644 index 00000000..47c945d7 --- /dev/null +++ b/src/kernel/ao_gps_print.c @@ -0,0 +1,112 @@ +/* + * Copyright © 2009 Keith Packard <keithp@keithp.com> + * + * This program is free software; you can redistribute it and/or modify + * it under the terms of the GNU General Public License as published by + * the Free Software Foundation; version 2 of the License. + * + * This program is distributed in the hope that it will be useful, but + * WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU + * General Public License for more details. + * + * You should have received a copy of the GNU General Public License along + * with this program; if not, write to the Free Software Foundation, Inc., + * 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA. + */ + +#ifndef AO_GPS_TEST +#include "ao.h" +#endif +#include "ao_telem.h" + +void +ao_gps_print(__xdata struct ao_gps_orig *gps_data) __reentrant +{ + char state; + + if (gps_data->flags & AO_GPS_VALID) + state = AO_TELEM_GPS_STATE_LOCKED; + else if (gps_data->flags & AO_GPS_RUNNING) + state = AO_TELEM_GPS_STATE_UNLOCKED; + else + state = AO_TELEM_GPS_STATE_ERROR; + printf(AO_TELEM_GPS_STATE " %c " + AO_TELEM_GPS_NUM_SAT " %d ", + state, + (gps_data->flags & AO_GPS_NUM_SAT_MASK) >> AO_GPS_NUM_SAT_SHIFT); + if (!(gps_data->flags & AO_GPS_VALID)) + return; + printf(AO_TELEM_GPS_LATITUDE " %ld " + AO_TELEM_GPS_LONGITUDE " %ld " + AO_TELEM_GPS_ALTITUDE " %d ", + (long) gps_data->latitude, + (long) gps_data->longitude, + gps_data->altitude); + + if (gps_data->flags & AO_GPS_DATE_VALID) + printf(AO_TELEM_GPS_YEAR " %d " + AO_TELEM_GPS_MONTH " %d " + AO_TELEM_GPS_DAY " %d ", + gps_data->year, + gps_data->month, + gps_data->day); + + printf(AO_TELEM_GPS_HOUR " %d " + AO_TELEM_GPS_MINUTE " %d " + AO_TELEM_GPS_SECOND " %d ", + gps_data->hour, + gps_data->minute, + gps_data->second); + + printf(AO_TELEM_GPS_HDOP " %d ", + gps_data->hdop * 2); + + if (gps_data->flags & AO_GPS_COURSE_VALID) { + printf(AO_TELEM_GPS_HERROR " %d " + AO_TELEM_GPS_VERROR " %d " + AO_TELEM_GPS_VERTICAL_SPEED " %d " + AO_TELEM_GPS_HORIZONTAL_SPEED " %d " + AO_TELEM_GPS_COURSE " %d ", + gps_data->h_error, + gps_data->v_error, + gps_data->climb_rate, + gps_data->ground_speed, + (int) gps_data->course * 2); + } +} + +void +ao_gps_tracking_print(__xdata struct ao_gps_tracking_orig *gps_tracking_data) __reentrant +{ + uint8_t c, n, v; + __xdata struct ao_gps_sat_orig *sat; + + n = gps_tracking_data->channels; + if (n == 0) + return; + + sat = gps_tracking_data->sats; + v = 0; + for (c = 0; c < n; c++) { + if (sat->svid) + v++; + sat++; + } + + printf (AO_TELEM_SAT_NUM " %d ", + v); + + sat = gps_tracking_data->sats; + v = 0; + for (c = 0; c < n; c++) { + if (sat->svid) { + printf (AO_TELEM_SAT_SVID "%d %d " + AO_TELEM_SAT_C_N_0 "%d %d ", + v, sat->svid, + v, sat->c_n_1); + v++; + } + sat++; + } +} diff --git a/src/kernel/ao_gps_report.c b/src/kernel/ao_gps_report.c new file mode 100644 index 00000000..07201ac2 --- /dev/null +++ b/src/kernel/ao_gps_report.c @@ -0,0 +1,89 @@ +/* + * Copyright © 2009 Keith Packard <keithp@keithp.com> + * + * This program is free software; you can redistribute it and/or modify + * it under the terms of the GNU General Public License as published by + * the Free Software Foundation; version 2 of the License. + * + * This program is distributed in the hope that it will be useful, but + * WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU + * General Public License for more details. + * + * You should have received a copy of the GNU General Public License along + * with this program; if not, write to the Free Software Foundation, Inc., + * 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA. + */ + +#include "ao.h" + +void +ao_gps_report(void) +{ + static __xdata struct ao_log_record gps_log; + static __xdata struct ao_telemetry_location gps_data; + static __xdata struct ao_telemetry_satellite gps_tracking_data; + uint8_t date_reported = 0; + uint8_t new; + + for (;;) { + while ((new = ao_gps_new) == 0) + ao_sleep(&ao_gps_new); + ao_mutex_get(&ao_gps_mutex); + if (new & AO_GPS_NEW_DATA) + ao_xmemcpy(&gps_data, &ao_gps_data, sizeof (ao_gps_data)); + if (new & AO_GPS_NEW_TRACKING) + ao_xmemcpy(&gps_tracking_data, &ao_gps_tracking_data, sizeof (ao_gps_tracking_data)); + ao_gps_new = 0; + ao_mutex_put(&ao_gps_mutex); + + if ((new & AO_GPS_NEW_DATA) && (gps_data.flags & AO_GPS_VALID)) { + gps_log.tick = ao_gps_tick; + gps_log.type = AO_LOG_GPS_TIME; + gps_log.u.gps_time.hour = gps_data.hour; + gps_log.u.gps_time.minute = gps_data.minute; + gps_log.u.gps_time.second = gps_data.second; + gps_log.u.gps_time.flags = gps_data.flags; + ao_log_data(&gps_log); + gps_log.type = AO_LOG_GPS_LAT; + gps_log.u.gps_latitude = gps_data.latitude; + ao_log_data(&gps_log); + gps_log.type = AO_LOG_GPS_LON; + gps_log.u.gps_longitude = gps_data.longitude; + ao_log_data(&gps_log); + gps_log.type = AO_LOG_GPS_ALT; + gps_log.u.gps_altitude.altitude = gps_data.altitude; + gps_log.u.gps_altitude.unused = 0xffff; + ao_log_data(&gps_log); + if (!date_reported && (gps_data.flags & AO_GPS_DATE_VALID)) { + gps_log.type = AO_LOG_GPS_DATE; + gps_log.u.gps_date.year = gps_data.year; + gps_log.u.gps_date.month = gps_data.month; + gps_log.u.gps_date.day = gps_data.day; + gps_log.u.gps_date.extra = 0; + date_reported = ao_log_data(&gps_log); + } + } + if (new & AO_GPS_NEW_TRACKING) { + uint8_t c, n; + + if ((n = gps_tracking_data.channels) != 0) { + gps_log.type = AO_LOG_GPS_SAT; + for (c = 0; c < n; c++) + if ((gps_log.u.gps_sat.svid = gps_tracking_data.sats[c].svid)) + { + gps_log.u.gps_sat.c_n = gps_tracking_data.sats[c].c_n_1; + ao_log_data(&gps_log); + } + } + } + } +} + +__xdata struct ao_task ao_gps_report_task; + +void +ao_gps_report_init(void) +{ + ao_add_task(&ao_gps_report_task, ao_gps_report, "gps_report"); +} diff --git a/src/kernel/ao_gps_report_mega.c b/src/kernel/ao_gps_report_mega.c new file mode 100644 index 00000000..5e3c71bf --- /dev/null +++ b/src/kernel/ao_gps_report_mega.c @@ -0,0 +1,90 @@ +/* + * Copyright © 2009 Keith Packard <keithp@keithp.com> + * + * This program is free software; you can redistribute it and/or modify + * it under the terms of the GNU General Public License as published by + * the Free Software Foundation; version 2 of the License. + * + * This program is distributed in the hope that it will be useful, but + * WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU + * General Public License for more details. + * + * You should have received a copy of the GNU General Public License along + * with this program; if not, write to the Free Software Foundation, Inc., + * 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA. + */ + +#include "ao.h" +#include "ao_log.h" + +void +ao_gps_report_mega(void) +{ + static __xdata struct ao_log_mega gps_log; + static __xdata struct ao_telemetry_location gps_data; + static __xdata struct ao_telemetry_satellite gps_tracking_data; + uint8_t new; + uint8_t c, n, i; + + for (;;) { + while (!(new = ao_gps_new)) + ao_sleep(&ao_gps_new); + ao_mutex_get(&ao_gps_mutex); + if (new & AO_GPS_NEW_DATA) + ao_xmemcpy(&gps_data, &ao_gps_data, sizeof (ao_gps_data)); + if (new & AO_GPS_NEW_TRACKING) + ao_xmemcpy(&gps_tracking_data, &ao_gps_tracking_data, sizeof (ao_gps_tracking_data)); + ao_gps_new = 0; + ao_mutex_put(&ao_gps_mutex); + + if ((new & AO_GPS_NEW_DATA) && (gps_data.flags & AO_GPS_VALID)) { + gps_log.tick = ao_gps_tick; + gps_log.type = AO_LOG_GPS_TIME; + gps_log.u.gps.latitude = gps_data.latitude; + gps_log.u.gps.longitude = gps_data.longitude; + gps_log.u.gps.altitude = gps_data.altitude; + + gps_log.u.gps.hour = gps_data.hour; + gps_log.u.gps.minute = gps_data.minute; + gps_log.u.gps.second = gps_data.second; + gps_log.u.gps.flags = gps_data.flags; + gps_log.u.gps.year = gps_data.year; + gps_log.u.gps.month = gps_data.month; + gps_log.u.gps.day = gps_data.day; + gps_log.u.gps.course = gps_data.course; + gps_log.u.gps.ground_speed = gps_data.ground_speed; + gps_log.u.gps.climb_rate = gps_data.climb_rate; + gps_log.u.gps.pdop = gps_data.pdop; + gps_log.u.gps.hdop = gps_data.hdop; + gps_log.u.gps.vdop = gps_data.vdop; + gps_log.u.gps.mode = gps_data.mode; + ao_log_mega(&gps_log); + } + if ((new & AO_GPS_NEW_TRACKING) && (n = gps_tracking_data.channels) != 0) { + gps_log.tick = ao_gps_tick; + gps_log.type = AO_LOG_GPS_SAT; + i = 0; + for (c = 0; c < n; c++) + if ((gps_log.u.gps_sat.sats[i].svid = gps_tracking_data.sats[c].svid)) + { + gps_log.u.gps_sat.sats[i].c_n = gps_tracking_data.sats[c].c_n_1; + i++; + if (i >= 12) + break; + } + gps_log.u.gps_sat.channels = i; + ao_log_mega(&gps_log); + } + } +} + +__xdata struct ao_task ao_gps_report_mega_task; + +void +ao_gps_report_mega_init(void) +{ + ao_add_task(&ao_gps_report_mega_task, + ao_gps_report_mega, + "gps_report"); +} diff --git a/src/kernel/ao_gps_report_metrum.c b/src/kernel/ao_gps_report_metrum.c new file mode 100644 index 00000000..696a833b --- /dev/null +++ b/src/kernel/ao_gps_report_metrum.c @@ -0,0 +1,96 @@ +/* + * Copyright © 2009 Keith Packard <keithp@keithp.com> + * + * This program is free software; you can redistribute it and/or modify + * it under the terms of the GNU General Public License as published by + * the Free Software Foundation; version 2 of the License. + * + * This program is distributed in the hope that it will be useful, but + * WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU + * General Public License for more details. + * + * You should have received a copy of the GNU General Public License along + * with this program; if not, write to the Free Software Foundation, Inc., + * 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA. + */ + +#include "ao.h" +#include "ao_log.h" + +void +ao_gps_report_metrum(void) +{ + static __xdata struct ao_log_metrum gps_log; + static __xdata struct ao_telemetry_location gps_data; + static __xdata struct ao_telemetry_satellite gps_tracking_data; + uint8_t c, n, i; + uint8_t svid; + uint8_t new; + + for (;;) { + while (!(new = ao_gps_new)) + ao_sleep(&ao_gps_new); + ao_mutex_get(&ao_gps_mutex); + if (new & AO_GPS_NEW_DATA) + ao_xmemcpy(&gps_data, &ao_gps_data, sizeof (ao_gps_data)); + if (new & AO_GPS_NEW_TRACKING) + ao_xmemcpy(&gps_tracking_data, &ao_gps_tracking_data, sizeof (ao_gps_tracking_data)); + ao_gps_new = 0; + ao_mutex_put(&ao_gps_mutex); + + if ((new & AO_GPS_NEW_DATA) && (gps_data.flags & AO_GPS_VALID)) { + gps_log.tick = ao_gps_tick; + gps_log.type = AO_LOG_GPS_POS; + gps_log.u.gps.latitude = gps_data.latitude; + gps_log.u.gps.longitude = gps_data.longitude; + gps_log.u.gps.altitude = gps_data.altitude; + ao_log_metrum(&gps_log); + + gps_log.type = AO_LOG_GPS_TIME; + gps_log.u.gps_time.hour = gps_data.hour; + gps_log.u.gps_time.minute = gps_data.minute; + gps_log.u.gps_time.second = gps_data.second; + gps_log.u.gps_time.flags = gps_data.flags; + gps_log.u.gps_time.year = gps_data.year; + gps_log.u.gps_time.month = gps_data.month; + gps_log.u.gps_time.day = gps_data.day; + ao_log_metrum(&gps_log); + } + + if ((new & AO_GPS_NEW_TRACKING) && (n = gps_tracking_data.channels)) { + gps_log.type = AO_LOG_GPS_SAT; + gps_log.tick = ao_gps_tick; + i = 0; + for (c = 0; c < n; c++) { + svid = gps_tracking_data.sats[c].svid; + if (svid != 0) { + if (i == 4) { + gps_log.u.gps_sat.channels = i; + gps_log.u.gps_sat.more = 1; + ao_log_metrum(&gps_log); + i = 0; + } + gps_log.u.gps_sat.sats[i].svid = svid; + gps_log.u.gps_sat.sats[i].c_n = gps_tracking_data.sats[c].c_n_1; + i++; + } + } + if (i) { + gps_log.u.gps_sat.channels = i; + gps_log.u.gps_sat.more = 0; + ao_log_metrum(&gps_log); + } + } + } +} + +__xdata struct ao_task ao_gps_report_metrum_task; + +void +ao_gps_report_metrum_init(void) +{ + ao_add_task(&ao_gps_report_metrum_task, + ao_gps_report_metrum, + "gps_report"); +} diff --git a/src/kernel/ao_gps_show.c b/src/kernel/ao_gps_show.c new file mode 100644 index 00000000..3a05e35a --- /dev/null +++ b/src/kernel/ao_gps_show.c @@ -0,0 +1,39 @@ +/* + * Copyright © 2013 Keith Packard <keithp@keithp.com> + * + * This program is free software; you can redistribute it and/or modify + * it under the terms of the GNU General Public License as published by + * the Free Software Foundation; version 2 of the License. + * + * This program is distributed in the hope that it will be useful, but + * WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU + * General Public License for more details. + * + * You should have received a copy of the GNU General Public License along + * with this program; if not, write to the Free Software Foundation, Inc., + * 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA. + */ + +#ifndef AO_GPS_TEST +#include <ao.h> +#endif + +void +ao_gps_show(void) __reentrant +{ + uint8_t i; + ao_mutex_get(&ao_gps_mutex); + printf ("Date: %02d/%02d/%02d\n", ao_gps_data.year, ao_gps_data.month, ao_gps_data.day); + printf ("Time: %02d:%02d:%02d\n", ao_gps_data.hour, ao_gps_data.minute, ao_gps_data.second); + printf ("Lat/Lon: %ld %ld\n", (long) ao_gps_data.latitude, (long) ao_gps_data.longitude); + printf ("Alt: %d\n", ao_gps_data.altitude); + printf ("Flags: 0x%x\n", ao_gps_data.flags); + printf ("Sats: %d", ao_gps_tracking_data.channels); + for (i = 0; i < ao_gps_tracking_data.channels; i++) + printf (" %d %d", + ao_gps_tracking_data.sats[i].svid, + ao_gps_tracking_data.sats[i].c_n_1); + printf ("\ndone\n"); + ao_mutex_put(&ao_gps_mutex); +} diff --git a/src/kernel/ao_host.h b/src/kernel/ao_host.h new file mode 100644 index 00000000..6eb752c9 --- /dev/null +++ b/src/kernel/ao_host.h @@ -0,0 +1,135 @@ +/* + * Copyright © 2009 Keith Packard <keithp@keithp.com> + * + * This program is free software; you can redistribute it and/or modify + * it under the terms of the GNU General Public License as published by + * the Free Software Foundation; version 2 of the License. + * + * This program is distributed in the hope that it will be useful, but + * WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU + * General Public License for more details. + * + * You should have received a copy of the GNU General Public License along + * with this program; if not, write to the Free Software Foundation, Inc., + * 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA. + */ + +#define _GNU_SOURCE + +#include <stddef.h> +#include <stdint.h> +#include <stdio.h> +#include <stdlib.h> +#include <string.h> + +#define AO_ADC_RING 64 +#define ao_adc_ring_next(n) (((n) + 1) & (AO_ADC_RING - 1)) +#define ao_adc_ring_prev(n) (((n) - 1) & (AO_ADC_RING - 1)) + +/* + * One set of samples read from the A/D converter + */ +struct ao_adc { + uint16_t tick; /* tick when the sample was read */ + int16_t accel; /* accelerometer */ + int16_t pres; /* pressure sensor */ + int16_t temp; /* temperature sensor */ + int16_t v_batt; /* battery voltage */ + int16_t sense_d; /* drogue continuity sense */ + int16_t sense_m; /* main continuity sense */ +}; + +#define __pdata +#define __data +#define __xdata +#define __code +#define __reentrant + +#define DATA_TO_XDATA(a) (a) +#define PDATA_TO_XDATA(a) (a) +#define CODE_TO_XDATA(a) (a) + +enum ao_flight_state { + ao_flight_startup = 0, + ao_flight_idle = 1, + ao_flight_pad = 2, + ao_flight_boost = 3, + ao_flight_fast = 4, + ao_flight_coast = 5, + ao_flight_drogue = 6, + ao_flight_main = 7, + ao_flight_landed = 8, + ao_flight_invalid = 9 +}; + +struct ao_adc ao_adc_ring[AO_ADC_RING]; +uint8_t ao_adc_head; + +#define ao_led_on(l) +#define ao_led_off(l) +#define ao_timer_set_adc_interval(i) +#define ao_wakeup(wchan) ao_dump_state(wchan) +#define ao_cmd_register(c) +#define ao_usb_disable() +#define ao_telemetry_set_interval(x) +#define ao_delay(x) + +enum ao_igniter { + ao_igniter_drogue = 0, + ao_igniter_main = 1 +}; + +void +ao_ignite(enum ao_igniter igniter) +{ + printf ("ignite %s\n", igniter == ao_igniter_drogue ? "drogue" : "main"); +} + +struct ao_task { + int dummy; +}; + +#define ao_add_task(t,f,n) + +#define ao_log_start() +#define ao_log_stop() + +#define AO_MS_TO_TICKS(ms) ((ms) / 10) +#define AO_SEC_TO_TICKS(s) ((s) * 100) + +#define AO_FLIGHT_TEST + +struct ao_adc ao_adc_static; + +FILE *emulator_in; + +void +ao_dump_state(void *wchan); + +void +ao_sleep(void *wchan); + +const char const * const ao_state_names[] = { + "startup", "idle", "pad", "boost", "fast", + "coast", "drogue", "main", "landed", "invalid" +}; + +struct ao_cmds { + void (*func)(void); + const char *help; +}; + + +struct ao_config { + uint16_t main_deploy; + int16_t accel_zero_g; +}; + +#define ao_config_get() + +struct ao_config ao_config = { 250, 16000 }; + +#define ao_xmemcpy(d,s,c) memcpy(d,s,c) +#define ao_xmemset(d,v,c) memset(d,v,c) +#define ao_xmemcmp(d,s,c) memcmp(d,s,c) diff --git a/src/kernel/ao_ignite.c b/src/kernel/ao_ignite.c new file mode 100644 index 00000000..823d003c --- /dev/null +++ b/src/kernel/ao_ignite.c @@ -0,0 +1,241 @@ +/* + * Copyright © 2009 Keith Packard <keithp@keithp.com> + * + * This program is free software; you can redistribute it and/or modify + * it under the terms of the GNU General Public License as published by + * the Free Software Foundation; version 2 of the License. + * + * This program is distributed in the hope that it will be useful, but + * WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU + * General Public License for more details. + * + * You should have received a copy of the GNU General Public License along + * with this program; if not, write to the Free Software Foundation, Inc., + * 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA. + */ + +#include "ao.h" +#include <ao_data.h> +#if AO_PYRO_NUM +#include <ao_pyro.h> +#endif + +#if HAS_IGNITE +__xdata struct ao_ignition ao_ignition[2]; + +void +ao_ignite(enum ao_igniter igniter) +{ + ao_arch_block_interrupts(); + ao_ignition[igniter].request = 1; + ao_wakeup(&ao_ignition); + ao_arch_release_interrupts(); +} + +#ifndef AO_SENSE_DROGUE +#define AO_SENSE_DROGUE(p) ((p)->adc.sense_d) +#define AO_SENSE_MAIN(p) ((p)->adc.sense_m) +#endif + +enum ao_igniter_status +ao_igniter_status(enum ao_igniter igniter) +{ + __xdata struct ao_data packet; + __pdata int16_t value; + __pdata uint8_t request, firing, fired; + + ao_arch_critical( + ao_data_get(&packet); + request = ao_ignition[igniter].request; + fired = ao_ignition[igniter].fired; + firing = ao_ignition[igniter].firing; + ); + if (firing || (request && !fired)) + return ao_igniter_active; + + value = (AO_IGNITER_CLOSED>>1); + switch (igniter) { + case ao_igniter_drogue: + value = AO_SENSE_DROGUE(&packet); + break; + case ao_igniter_main: + value = AO_SENSE_MAIN(&packet); + break; + } + if (value < AO_IGNITER_OPEN) + return ao_igniter_open; + else if (value > AO_IGNITER_CLOSED) + return ao_igniter_ready; + else + return ao_igniter_unknown; +} + +#ifndef AO_IGNITER_SET_DROGUE +#define AO_IGNITER_SET_DROGUE(v) AO_IGNITER_DROGUE = (v) +#define AO_IGNITER_SET_MAIN(v) AO_IGNITER_MAIN = (v) +#endif + +#ifndef AO_IGNITER_FIRE_TIME +#define AO_IGNITER_FIRE_TIME AO_MS_TO_TICKS(50) +#endif + +#ifndef AO_IGNITER_CHARGE_TIME +#define AO_IGNITER_CHARGE_TIME AO_MS_TO_TICKS(2000) +#endif + +void +ao_igniter_fire(enum ao_igniter igniter) +{ + ao_ignition[igniter].firing = 1; + switch(ao_config.ignite_mode) { + case AO_IGNITE_MODE_DUAL: + switch (igniter) { + case ao_igniter_drogue: + AO_IGNITER_SET_DROGUE(1); + ao_delay(AO_IGNITER_FIRE_TIME); + AO_IGNITER_SET_DROGUE(0); + break; + case ao_igniter_main: + AO_IGNITER_SET_MAIN(1); + ao_delay(AO_IGNITER_FIRE_TIME); + AO_IGNITER_SET_MAIN(0); + break; + } + break; + case AO_IGNITE_MODE_APOGEE: + switch (igniter) { + case ao_igniter_drogue: + AO_IGNITER_SET_DROGUE(1); + ao_delay(AO_IGNITER_FIRE_TIME); + AO_IGNITER_SET_DROGUE(0); + ao_delay(AO_IGNITER_CHARGE_TIME); + AO_IGNITER_SET_MAIN(1); + ao_delay(AO_IGNITER_FIRE_TIME); + AO_IGNITER_SET_MAIN(0); + break; + default: + break; + } + break; + case AO_IGNITE_MODE_MAIN: + switch (igniter) { + case ao_igniter_main: + AO_IGNITER_SET_DROGUE(1); + ao_delay(AO_IGNITER_FIRE_TIME); + AO_IGNITER_SET_DROGUE(0); + ao_delay(AO_IGNITER_CHARGE_TIME); + AO_IGNITER_SET_MAIN(1); + ao_delay(AO_IGNITER_FIRE_TIME); + AO_IGNITER_SET_MAIN(0); + break; + default: + break; + } + break; + } + ao_ignition[igniter].firing = 0; +} + +void +ao_igniter(void) +{ + __xdata enum ao_igniter igniter; + + ao_config_get(); + for (;;) { + ao_sleep(&ao_ignition); + for (igniter = ao_igniter_drogue; igniter <= ao_igniter_main; igniter++) { + if (ao_ignition[igniter].request && !ao_ignition[igniter].fired) { + if (igniter == ao_igniter_drogue && ao_config.apogee_delay) + ao_delay(AO_SEC_TO_TICKS(ao_config.apogee_delay)); + + ao_igniter_fire(igniter); + ao_delay(AO_IGNITER_CHARGE_TIME); + ao_ignition[igniter].fired = 1; + } + } + } +} + +#endif + +void +ao_ignite_manual(void) +{ + ao_cmd_white(); + if (!ao_match_word("DoIt")) + return; + ao_cmd_white(); +#if HAS_IGNITE + if (ao_cmd_lex_c == 'm' && ao_match_word("main")) { + ao_igniter_fire(ao_igniter_main); + return; + } + if (ao_cmd_lex_c == 'd' && ao_match_word("drogue")) { + ao_igniter_fire(ao_igniter_drogue); + return; + } +#endif +#if AO_PYRO_NUM + if ('0' <= ao_cmd_lex_c && ao_cmd_lex_c <= '9') { + ao_pyro_manual(ao_cmd_lex_c - '0'); + return; + } +#endif + ao_cmd_status = ao_cmd_syntax_error; +} + +__code char * __code ao_igniter_status_names[] = { + "unknown", "ready", "active", "open" +}; + +#if HAS_IGNITE +void +ao_ignite_print_status(enum ao_igniter igniter, __code char *name) __reentrant +{ + enum ao_igniter_status status = ao_igniter_status(igniter); + printf("Igniter: %6s Status: %s\n", + name, + ao_igniter_status_names[status]); +} +#endif + +void +ao_ignite_test(void) +{ +#if HAS_IGNITE + ao_ignite_print_status(ao_igniter_drogue, "drogue"); + ao_ignite_print_status(ao_igniter_main, "main"); +#endif +#if AO_PYRO_NUM + ao_pyro_print_status(); +#endif +} + +__code struct ao_cmds ao_ignite_cmds[] = { + { ao_ignite_manual, "i <key> {main|drogue}\0Fire igniter. <key> is doit with D&I" }, + { ao_ignite_test, "t\0Test igniter" }, + { 0, NULL }, +}; + +#if HAS_IGNITE +__xdata struct ao_task ao_igniter_task; + +void +ao_ignite_set_pins(void) +{ + ao_enable_output(AO_IGNITER_DROGUE_PORT, AO_IGNITER_DROGUE_PIN, AO_IGNITER_DROGUE, 0); + ao_enable_output(AO_IGNITER_MAIN_PORT, AO_IGNITER_MAIN_PIN, AO_IGNITER_MAIN, 0); +} +#endif + +void +ao_igniter_init(void) +{ +#if HAS_IGNITE + ao_ignite_set_pins(); + ao_add_task(&ao_igniter_task, ao_igniter, "igniter"); +#endif + ao_cmd_register(&ao_ignite_cmds[0]); +} diff --git a/src/kernel/ao_int64.c b/src/kernel/ao_int64.c new file mode 100644 index 00000000..aa23dbe0 --- /dev/null +++ b/src/kernel/ao_int64.c @@ -0,0 +1,158 @@ +/* + * Copyright © 2013 Keith Packard <keithp@keithp.com> + * + * This program is free software; you can redistribute it and/or modify + * it under the terms of the GNU General Public License as published by + * the Free Software Foundation; version 2 of the License. + * + * This program is distributed in the hope that it will be useful, but + * WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU + * General Public License for more details. + * + * You should have received a copy of the GNU General Public License along + * with this program; if not, write to the Free Software Foundation, Inc., + * 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA. + */ + +#include <ao_int64.h> + +__pdata ao_int64_t *__data ao_64r, *__data ao_64a, *__data ao_64b; + +void ao_plus64(__pdata ao_int64_t *r, __pdata ao_int64_t *a, __pdata ao_int64_t *b) __FATTR { + __LOCAL uint32_t t; + + r->high = a->high + b->high; + t = a->low + b->low; + if (t < a->low) + r->high++; + r->low = t; +} + +void ao_minus64(__pdata ao_int64_t *r, __pdata ao_int64_t *a, __pdata ao_int64_t *b) __FATTR { + __LOCAL uint32_t t; + + r->high = a->high - b->high; + t = a->low - b->low; + if (t > a->low) + r->high--; + r->low = t; +} + +void ao_rshift64(__pdata ao_int64_t *r, __pdata ao_int64_t *a, uint8_t d) __FATTR { + if (d < 32) { + r->low = a->low >> d; + if (d) + r->low |= a->high << (32 - d); + r->high = (int32_t) a->high >> d; + } else { + d &= 0x1f; + r->low = (int32_t) a->high >> d; + r->high = 0; + } +} + +void ao_lshift64(__pdata ao_int64_t *r, __pdata ao_int64_t *a, uint8_t d) __FATTR { + if (d < 32) { + r->high = a->high << d; + if (d) + r->high |= a->low >> (32 - d); + r->low = a->low << d; + } else { + d &= 0x1f; + r->high = a->low << d; + r->low = 0; + } +} + +static void ao_umul64_32_32(__ARG ao_int64_t *r, uint32_t a, uint32_t b) __reentrant { + __LOCAL uint32_t s; + __LOCAL ao_int64_t t; + r->low = (uint32_t) (uint16_t) a * (uint16_t) b; + r->high = (uint32_t) (uint16_t) (a >> 16) * (uint16_t) (b >> 16); + + s = (uint32_t) (uint16_t) (a >> 16) * (uint16_t) b; + + t.high = s >> 16; + t.low = s << 16; + ao_plus64(r, r, &t); + + s = (uint32_t) (uint16_t) a * (uint16_t) (b >> 16); + + t.high = s >> 16; + t.low = s << 16; + ao_plus64(r, r, &t); +} + +void ao_neg64(__pdata ao_int64_t *r, __pdata ao_int64_t *a) __FATTR { + r->high = ~a->high; + if (!(r->low = ~a->low + 1)) + r->high++; +} + +void ao_mul64_32_32(__ARG ao_int64_t *r, int32_t a, int32_t b) __FATTR { + uint8_t negative = 0; + + if (a < 0) { + a = -a; + ++negative; + } + if (b < 0) { + b = -b; + --negative; + } + ao_umul64_32_32(r, a, b); + if (negative) + ao_neg64(r, r); +} + +static void ao_umul64(__ARG ao_int64_t *r, __ARG ao_int64_t *a, __ARG ao_int64_t *b) __reentrant { + __LOCAL ao_int64_t r2, r3; + + ao_umul64_32_32(&r2, a->high, b->low); + ao_umul64_32_32(&r3, a->low, b->high); + ao_umul64_32_32(r, a->low, b->low); + + r->high += r2.low + r3.low; +} + +static __ARG ao_int64_t ap, bp; + +void ao_mul64(__ARG ao_int64_t *r, __ARG ao_int64_t *a, __ARG ao_int64_t *b) __FATTR { + uint8_t negative = 0; + + if (ao_int64_negativep(a)) { + ao_neg64(&ap, a); + a = ≈ + ++negative; + } + if (ao_int64_negativep(b)) { + ao_neg64(&bp, b); + b = &bp; + --negative; + } + ao_umul64(r, a, b); + if (negative) + ao_neg64(r, r); +} + +static void ao_umul64_64_16(__ARG ao_int64_t *r, __ARG ao_int64_t *a, uint16_t b) __reentrant { + __LOCAL uint32_t h; + + h = a->high * b; + ao_umul64_32_32(r, a->low, b); + r->high += h; +} + +void ao_mul64_64_16(__ARG ao_int64_t *r, __ARG ao_int64_t *a, __ARG uint16_t b) __FATTR { + uint8_t negative = 0; + + if ((int32_t) a->high < 0) { + ao_neg64(&ap, a); + a = ≈ + negative++; + } else + ao_umul64_64_16(r, a, b); + if (negative) + ao_neg64(r, r); +} diff --git a/src/kernel/ao_int64.h b/src/kernel/ao_int64.h new file mode 100644 index 00000000..b16db58c --- /dev/null +++ b/src/kernel/ao_int64.h @@ -0,0 +1,48 @@ +/* + * Copyright © 2013 Keith Packard <keithp@keithp.com> + * + * This program is free software; you can redistribute it and/or modify + * it under the terms of the GNU General Public License as published by + * the Free Software Foundation; version 2 of the License. + * + * This program is distributed in the hope that it will be useful, but + * WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU + * General Public License for more details. + * + * You should have received a copy of the GNU General Public License along + * with this program; if not, write to the Free Software Foundation, Inc., + * 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA. + */ + +#ifndef _AO_INT64_H_ +#define _AO_INT64_H_ + +#include <stdint.h> + +typedef struct { + uint32_t high; + uint32_t low; +} ao_int64_t; + +#define __FATTR +#define __ARG __pdata +#define __LOCAL static __pdata + +void ao_plus64(__pdata ao_int64_t *ao_64r, __pdata ao_int64_t *ao_64a, __pdata ao_int64_t *ao_64b) __FATTR; +void ao_minus64(__pdata ao_int64_t *ao_64r, __pdata ao_int64_t *ao_64a, __pdata ao_int64_t *ao_64b) __FATTR; +void ao_neg64(__pdata ao_int64_t *ao_64r, __pdata ao_int64_t *ao_64a) __FATTR; +void ao_rshift64(__pdata ao_int64_t *ao_64r, __pdata ao_int64_t *ao_64a, uint8_t d) __FATTR; +void ao_lshift64(__pdata ao_int64_t *ao_64r, __pdata ao_int64_t *ao_64a, uint8_t d) __FATTR; +void ao_mul64_32_32(__ARG ao_int64_t *r, __ARG int32_t a, __ARG int32_t b) __FATTR; +void ao_mul64_64_16(__ARG ao_int64_t *r, __ARG ao_int64_t *a, __ARG uint16_t b) __FATTR; +void ao_mul64(__ARG ao_int64_t * __ARG r, __ARG ao_int64_t * __ARG a, __ARG ao_int64_t *__ARG b) __FATTR; + +#define ao_int64_init32(r, a) (((r)->high = 0), (r)->low = (a)) +#define ao_int64_init64(r, a, b) (((r)->high = (a)), (r)->low = (b)) + +#define ao_cast64(a) (((int64_t) (a)->high << 32) | (a)->low) + +#define ao_int64_negativep(a) (((int32_t) (a)->high) < 0) + +#endif /* _AO_INT64_H_ */ diff --git a/src/kernel/ao_kalman.c b/src/kernel/ao_kalman.c new file mode 100644 index 00000000..9aea1f14 --- /dev/null +++ b/src/kernel/ao_kalman.c @@ -0,0 +1,295 @@ +/* + * Copyright © 2011 Keith Packard <keithp@keithp.com> + * + * This program is free software; you can redistribute it and/or modify + * it under the terms of the GNU General Public License as published by + * the Free Software Foundation; version 2 of the License. + * + * This program is distributed in the hope that it will be useful, but + * WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU + * General Public License for more details. + * + * You should have received a copy of the GNU General Public License along + * with this program; if not, write to the Free Software Foundation, Inc., + * 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA. + */ + +#ifndef AO_FLIGHT_TEST +#include "ao.h" +#include "ao_flight.h" +#endif + +#include "ao_sample.h" +#include "ao_kalman.h" + + +static __pdata int32_t ao_k_height; +static __pdata int32_t ao_k_speed; +static __pdata int32_t ao_k_accel; + +#define AO_K_STEP_100 to_fix16(0.01) +#define AO_K_STEP_2_2_100 to_fix16(0.00005) + +#define AO_K_STEP_10 to_fix16(0.1) +#define AO_K_STEP_2_2_10 to_fix16(0.005) + +#define AO_K_STEP_1 to_fix16(1) +#define AO_K_STEP_2_2_1 to_fix16(0.5) + +__pdata int16_t ao_height; +__pdata int16_t ao_speed; +__pdata int16_t ao_accel; +__xdata int16_t ao_max_height; +static __pdata int32_t ao_avg_height_scaled; +__xdata int16_t ao_avg_height; + +__pdata int16_t ao_error_h; +__pdata int16_t ao_error_h_sq_avg; + +#if HAS_ACCEL +__pdata int16_t ao_error_a; +#endif + +static void +ao_kalman_predict(void) +{ +#ifdef AO_FLIGHT_TEST + if (ao_sample_tick - ao_sample_prev_tick > 50) { + ao_k_height += ((int32_t) ao_speed * AO_K_STEP_1 + + (int32_t) ao_accel * AO_K_STEP_2_2_1) >> 4; + ao_k_speed += (int32_t) ao_accel * AO_K_STEP_1; + + return; + } + if (ao_sample_tick - ao_sample_prev_tick > 5) { + ao_k_height += ((int32_t) ao_speed * AO_K_STEP_10 + + (int32_t) ao_accel * AO_K_STEP_2_2_10) >> 4; + ao_k_speed += (int32_t) ao_accel * AO_K_STEP_10; + + return; + } + if (ao_flight_debug) { + printf ("predict speed %g + (%g * %g) = %g\n", + ao_k_speed / (65536.0 * 16.0), ao_accel / 16.0, AO_K_STEP_100 / 65536.0, + (ao_k_speed + (int32_t) ao_accel * AO_K_STEP_100) / (65536.0 * 16.0)); + } +#endif + ao_k_height += ((int32_t) ao_speed * AO_K_STEP_100 + + (int32_t) ao_accel * AO_K_STEP_2_2_100) >> 4; + ao_k_speed += (int32_t) ao_accel * AO_K_STEP_100; +} + +static void +ao_kalman_err_height(void) +{ + int16_t e; + int16_t height_distrust; +#if HAS_ACCEL + int16_t speed_distrust; +#endif + + ao_error_h = ao_sample_height - (int16_t) (ao_k_height >> 16); + + e = ao_error_h; + if (e < 0) + e = -e; + if (e > 127) + e = 127; +#if HAS_ACCEL + ao_error_h_sq_avg -= ao_error_h_sq_avg >> 2; + ao_error_h_sq_avg += (e * e) >> 2; +#else + ao_error_h_sq_avg -= ao_error_h_sq_avg >> 4; + ao_error_h_sq_avg += (e * e) >> 4; +#endif + + if (ao_flight_state >= ao_flight_drogue) + return; + height_distrust = ao_sample_alt - AO_MAX_BARO_HEIGHT; +#if HAS_ACCEL + /* speed is stored * 16, but we need to ramp between 200 and 328, so + * we want to multiply by 2. The result is a shift by 3. + */ + speed_distrust = (ao_speed - AO_MS_TO_SPEED(AO_MAX_BARO_SPEED)) >> (4 - 1); + if (speed_distrust <= 0) + speed_distrust = 0; + else if (speed_distrust > height_distrust) + height_distrust = speed_distrust; +#endif + if (height_distrust > 0) { +#ifdef AO_FLIGHT_TEST + int old_ao_error_h = ao_error_h; +#endif + if (height_distrust > 0x100) + height_distrust = 0x100; + ao_error_h = (int16_t) (((int32_t) ao_error_h * (0x100 - height_distrust)) >> 8); +#ifdef AO_FLIGHT_TEST + if (ao_flight_debug) { + printf("over height %g over speed %g distrust: %g height: error %d -> %d\n", + (double) (ao_sample_alt - AO_MAX_BARO_HEIGHT), + (ao_speed - AO_MS_TO_SPEED(AO_MAX_BARO_SPEED)) / 16.0, + height_distrust / 256.0, + old_ao_error_h, ao_error_h); + } +#endif + } +} + +static void +ao_kalman_correct_baro(void) +{ + ao_kalman_err_height(); +#ifdef AO_FLIGHT_TEST + if (ao_sample_tick - ao_sample_prev_tick > 50) { + ao_k_height += (int32_t) AO_BARO_K0_1 * ao_error_h; + ao_k_speed += (int32_t) AO_BARO_K1_1 * ao_error_h; + ao_k_accel += (int32_t) AO_BARO_K2_1 * ao_error_h; + return; + } + if (ao_sample_tick - ao_sample_prev_tick > 5) { + ao_k_height += (int32_t) AO_BARO_K0_10 * ao_error_h; + ao_k_speed += (int32_t) AO_BARO_K1_10 * ao_error_h; + ao_k_accel += (int32_t) AO_BARO_K2_10 * ao_error_h; + return; + } +#endif + ao_k_height += (int32_t) AO_BARO_K0_100 * ao_error_h; + ao_k_speed += (int32_t) AO_BARO_K1_100 * ao_error_h; + ao_k_accel += (int32_t) AO_BARO_K2_100 * ao_error_h; +} + +#if HAS_ACCEL + +static void +ao_kalman_err_accel(void) +{ + int32_t accel; + + accel = (ao_config.accel_plus_g - ao_sample_accel) * ao_accel_scale; + + /* Can't use ao_accel here as it is the pre-prediction value still */ + ao_error_a = (accel - ao_k_accel) >> 16; +} + +#ifndef FORCE_ACCEL +static void +ao_kalman_correct_both(void) +{ + ao_kalman_err_height(); + ao_kalman_err_accel(); + +#ifdef AO_FLIGHT_TEST + if (ao_sample_tick - ao_sample_prev_tick > 50) { + if (ao_flight_debug) { + printf ("correct speed %g + (%g * %g) + (%g * %g) = %g\n", + ao_k_speed / (65536.0 * 16.0), + (double) ao_error_h, AO_BOTH_K10_1 / 65536.0, + (double) ao_error_a, AO_BOTH_K11_1 / 65536.0, + (ao_k_speed + + (int32_t) AO_BOTH_K10_1 * ao_error_h + + (int32_t) AO_BOTH_K11_1 * ao_error_a) / (65536.0 * 16.0)); + } + ao_k_height += + (int32_t) AO_BOTH_K00_1 * ao_error_h + + (int32_t) AO_BOTH_K01_1 * ao_error_a; + ao_k_speed += + (int32_t) AO_BOTH_K10_1 * ao_error_h + + (int32_t) AO_BOTH_K11_1 * ao_error_a; + ao_k_accel += + (int32_t) AO_BOTH_K20_1 * ao_error_h + + (int32_t) AO_BOTH_K21_1 * ao_error_a; + return; + } + if (ao_sample_tick - ao_sample_prev_tick > 5) { + if (ao_flight_debug) { + printf ("correct speed %g + (%g * %g) + (%g * %g) = %g\n", + ao_k_speed / (65536.0 * 16.0), + (double) ao_error_h, AO_BOTH_K10_10 / 65536.0, + (double) ao_error_a, AO_BOTH_K11_10 / 65536.0, + (ao_k_speed + + (int32_t) AO_BOTH_K10_10 * ao_error_h + + (int32_t) AO_BOTH_K11_10 * ao_error_a) / (65536.0 * 16.0)); + } + ao_k_height += + (int32_t) AO_BOTH_K00_10 * ao_error_h + + (int32_t) AO_BOTH_K01_10 * ao_error_a; + ao_k_speed += + (int32_t) AO_BOTH_K10_10 * ao_error_h + + (int32_t) AO_BOTH_K11_10 * ao_error_a; + ao_k_accel += + (int32_t) AO_BOTH_K20_10 * ao_error_h + + (int32_t) AO_BOTH_K21_10 * ao_error_a; + return; + } + if (ao_flight_debug) { + printf ("correct speed %g + (%g * %g) + (%g * %g) = %g\n", + ao_k_speed / (65536.0 * 16.0), + (double) ao_error_h, AO_BOTH_K10_100 / 65536.0, + (double) ao_error_a, AO_BOTH_K11_100 / 65536.0, + (ao_k_speed + + (int32_t) AO_BOTH_K10_100 * ao_error_h + + (int32_t) AO_BOTH_K11_100 * ao_error_a) / (65536.0 * 16.0)); + } +#endif + ao_k_height += + (int32_t) AO_BOTH_K00_100 * ao_error_h + + (int32_t) AO_BOTH_K01_100 * ao_error_a; + ao_k_speed += + (int32_t) AO_BOTH_K10_100 * ao_error_h + + (int32_t) AO_BOTH_K11_100 * ao_error_a; + ao_k_accel += + (int32_t) AO_BOTH_K20_100 * ao_error_h + + (int32_t) AO_BOTH_K21_100 * ao_error_a; +} + +#else + +static void +ao_kalman_correct_accel(void) +{ + ao_kalman_err_accel(); + + if (ao_sample_tick - ao_sample_prev_tick > 5) { + ao_k_height +=(int32_t) AO_ACCEL_K0_10 * ao_error_a; + ao_k_speed += (int32_t) AO_ACCEL_K1_10 * ao_error_a; + ao_k_accel += (int32_t) AO_ACCEL_K2_10 * ao_error_a; + return; + } + ao_k_height += (int32_t) AO_ACCEL_K0_100 * ao_error_a; + ao_k_speed += (int32_t) AO_ACCEL_K1_100 * ao_error_a; + ao_k_accel += (int32_t) AO_ACCEL_K2_100 * ao_error_a; +} + +#endif /* else FORCE_ACCEL */ +#endif /* HAS_ACCEL */ + +void +ao_kalman(void) +{ + ao_kalman_predict(); +#if HAS_ACCEL + if (ao_flight_state <= ao_flight_coast) { +#ifdef FORCE_ACCEL + ao_kalman_correct_accel(); +#else + ao_kalman_correct_both(); +#endif + } else +#endif + ao_kalman_correct_baro(); + ao_height = from_fix(ao_k_height); + ao_speed = from_fix(ao_k_speed); + ao_accel = from_fix(ao_k_accel); + if (ao_height > ao_max_height) + ao_max_height = ao_height; + ao_avg_height_scaled = ao_avg_height_scaled - ao_avg_height + ao_sample_height; +#ifdef AO_FLIGHT_TEST + if (ao_sample_tick - ao_sample_prev_tick > 50) + ao_avg_height = (ao_avg_height_scaled + 1) >> 1; + else if (ao_sample_tick - ao_sample_prev_tick > 5) + ao_avg_height = (ao_avg_height_scaled + 7) >> 4; + else +#endif + ao_avg_height = (ao_avg_height_scaled + 63) >> 7; +} diff --git a/src/kernel/ao_lcd.h b/src/kernel/ao_lcd.h new file mode 100644 index 00000000..f7e1391a --- /dev/null +++ b/src/kernel/ao_lcd.h @@ -0,0 +1,60 @@ +/* + * Copyright © 2012 Keith Packard <keithp@keithp.com> + * + * This program is free software; you can redistribute it and/or modify + * it under the terms of the GNU General Public License as published by + * the Free Software Foundation; version 2 of the License. + * + * This program is distributed in the hope that it will be useful, but + * WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU + * General Public License for more details. + * + * You should have received a copy of the GNU General Public License along + * with this program; if not, write to the Free Software Foundation, Inc., + * 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA. + */ + +#ifndef _AO_LCD_H_ +#define _AO_LCD_H_ + +/* ao_lcd.c */ + +void +ao_lcd_putchar(uint8_t d); + +void +ao_lcd_putstring(char *string); + +void +ao_lcd_contrast_set(uint8_t contrast); + +void +ao_lcd_clear(void); + +void +ao_lcd_cursor_on(void); + +void +ao_lcd_cursor_off(void); + +#define AO_LCD_ADDR(row,col) ((row << 6) | (col)) + +void +ao_lcd_goto(uint8_t addr); + +void +ao_lcd_start(void); + +void +ao_lcd_init(void); + +/* ao_lcd_port.c */ + +void +ao_lcd_port_put_nibble(uint8_t rs, uint8_t d); + +void +ao_lcd_port_init(void); + +#endif /* _AO_LCD_H_ */ diff --git a/src/kernel/ao_led.h b/src/kernel/ao_led.h new file mode 100644 index 00000000..d9a0914a --- /dev/null +++ b/src/kernel/ao_led.h @@ -0,0 +1,59 @@ +/* + * Copyright © 2012 Keith Packard <keithp@keithp.com> + * + * This program is free software; you can redistribute it and/or modify + * it under the terms of the GNU General Public License as published by + * the Free Software Foundation; version 2 of the License. + * + * This program is distributed in the hope that it will be useful, but + * WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU + * General Public License for more details. + * + * You should have received a copy of the GNU General Public License along + * with this program; if not, write to the Free Software Foundation, Inc., + * 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA. + */ + +#ifndef _AO_LED_H_ +#define _AO_LED_H_ + +/* + * ao_led.c + */ + +#define AO_LED_NONE 0 + +#ifndef AO_LED_TYPE +#define AO_LED_TYPE uint8_t +#endif + +/* Turn on the specified LEDs */ +void +ao_led_on(AO_LED_TYPE colors); + +/* Turn off the specified LEDs */ +void +ao_led_off(AO_LED_TYPE colors); + +/* Set all of the LEDs to the specified state */ +void +ao_led_set(AO_LED_TYPE colors); + +/* Set all LEDs in 'mask' to the specified state */ +void +ao_led_set_mask(uint8_t colors, uint8_t mask); + +/* Toggle the specified LEDs */ +void +ao_led_toggle(AO_LED_TYPE colors); + +/* Turn on the specified LEDs for the indicated interval */ +void +ao_led_for(AO_LED_TYPE colors, uint16_t ticks) __reentrant; + +/* Initialize the LEDs */ +void +ao_led_init(AO_LED_TYPE enable); + +#endif /* _AO_LED_H_ */ diff --git a/src/kernel/ao_list.h b/src/kernel/ao_list.h new file mode 100644 index 00000000..8a6fa4d9 --- /dev/null +++ b/src/kernel/ao_list.h @@ -0,0 +1,213 @@ +/* + * Copyright © 2012 Keith Packard <keithp@keithp.com> + * + * This program is free software; you can redistribute it and/or modify + * it under the terms of the GNU General Public License as published by + * the Free Software Foundation; version 2 of the License. + * + * This program is distributed in the hope that it will be useful, but + * WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU + * General Public License for more details. + * + * You should have received a copy of the GNU General Public License along + * with this program; if not, write to the Free Software Foundation, Inc., + * 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA. + */ + +#ifndef _AO_LIST_H_ +#define _AO_LIST_H_ + +#include <stddef.h> + +struct ao_list { + struct ao_list *next, *prev; +}; + +static inline void +ao_list_init(struct ao_list *list) +{ + list->next = list->prev = list; +} + +static inline void +__ao_list_add(struct ao_list *list, struct ao_list *prev, struct ao_list *next) +{ + next->prev = list; + list->next = next; + list->prev = prev; + prev->next = list; +} + +/** + * Insert a new element after the given list head. The new element does not + * need to be initialised as empty list. + * The list changes from: + * head → some element → ... + * to + * head → new element → older element → ... + * + * Example: + * struct foo *newfoo = malloc(...); + * ao_list_add(&newfoo->entry, &bar->list_of_foos); + * + * @param entry The new element to prepend to the list. + * @param head The existing list. + */ +static inline void +ao_list_insert(struct ao_list *entry, struct ao_list *head) +{ + __ao_list_add(entry, head, head->next); +} + +/** + * Append a new element to the end of the list given with this list head. + * + * The list changes from: + * head → some element → ... → lastelement + * to + * head → some element → ... → lastelement → new element + * + * Example: + * struct foo *newfoo = malloc(...); + * ao_list_append(&newfoo->entry, &bar->list_of_foos); + * + * @param entry The new element to prepend to the list. + * @param head The existing list. + */ +static inline void +ao_list_append(struct ao_list *entry, struct ao_list *head) +{ + __ao_list_add(entry, head->prev, head); +} + +static inline void +__ao_list_del(struct ao_list *prev, struct ao_list *next) +{ + next->prev = prev; + prev->next = next; +} + +/** + * Remove the element from the list it is in. Using this function will reset + * the pointers to/from this element so it is removed from the list. It does + * NOT free the element itself or manipulate it otherwise. + * + * Using ao_list_del on a pure list head (like in the example at the top of + * this file) will NOT remove the first element from + * the list but rather reset the list as empty list. + * + * Example: + * ao_list_del(&foo->entry); + * + * @param entry The element to remove. + */ +static inline void +ao_list_del(struct ao_list *entry) +{ + __ao_list_del(entry->prev, entry->next); + ao_list_init(entry); +} + +/** + * Check if the list is empty. + * + * Example: + * ao_list_is_empty(&bar->list_of_foos); + * + * @return True if the list contains one or more elements or False otherwise. + */ +static inline uint8_t +ao_list_is_empty(struct ao_list *head) +{ + return head->next == head; +} + +/** + * Returns a pointer to the container of this list element. + * + * Example: + * struct foo* f; + * f = container_of(&foo->entry, struct foo, entry); + * assert(f == foo); + * + * @param ptr Pointer to the struct ao_list. + * @param type Data type of the list element. + * @param member Member name of the struct ao_list field in the list element. + * @return A pointer to the data struct containing the list head. + */ +#define ao_container_of(ptr, type, member) \ + ((type *)((char *)(ptr) - offsetof(type, member))) + +/** + * Alias of ao_container_of + */ +#define ao_list_entry(ptr, type, member) \ + ao_container_of(ptr, type, member) + +/** + * Retrieve the first list entry for the given list pointer. + * + * Example: + * struct foo *first; + * first = ao_list_first_entry(&bar->list_of_foos, struct foo, list_of_foos); + * + * @param ptr The list head + * @param type Data type of the list element to retrieve + * @param member Member name of the struct ao_list field in the list element. + * @return A pointer to the first list element. + */ +#define ao_list_first_entry(ptr, type, member) \ + ao_list_entry((ptr)->next, type, member) + +/** + * Retrieve the last list entry for the given listpointer. + * + * Example: + * struct foo *first; + * first = ao_list_last_entry(&bar->list_of_foos, struct foo, list_of_foos); + * + * @param ptr The list head + * @param type Data type of the list element to retrieve + * @param member Member name of the struct ao_list field in the list element. + * @return A pointer to the last list element. + */ +#define ao_list_last_entry(ptr, type, member) \ + ao_list_entry((ptr)->prev, type, member) + +/** + * Loop through the list given by head and set pos to struct in the list. + * + * Example: + * struct foo *iterator; + * ao_list_for_each_entry(iterator, &bar->list_of_foos, entry) { + * [modify iterator] + * } + * + * This macro is not safe for node deletion. Use ao_list_for_each_entry_safe + * instead. + * + * @param pos Iterator variable of the type of the list elements. + * @param head List head + * @param member Member name of the struct ao_list in the list elements. + * + */ +#define ao_list_for_each_entry(pos, head, type, member) \ + for (pos = ao_container_of((head)->next, type, member); \ + &pos->member != (head); \ + pos = ao_container_of(pos->member.next, type, member)) + +/** + * Loop through the list, keeping a backup pointer to the element. This + * macro allows for the deletion of a list element while looping through the + * list. + * + * See ao_list_for_each_entry for more details. + */ +#define ao_list_for_each_entry_safe(pos, tmp, head, type, member) \ + for ((pos = ao_container_of((head)->next, type, member)), \ + (tmp = ao_container_of(pos->member.next, type, member)); \ + &pos->member != (head); \ + (pos = tmp), (tmp = ao_container_of(pos->member.next, type, member))) + +#endif /* _AO_LIST_H_ */ diff --git a/src/kernel/ao_log.c b/src/kernel/ao_log.c new file mode 100644 index 00000000..20febefe --- /dev/null +++ b/src/kernel/ao_log.c @@ -0,0 +1,291 @@ +/* + * Copyright © 2009 Keith Packard <keithp@keithp.com> + * + * This program is free software; you can redistribute it and/or modify + * it under the terms of the GNU General Public License as published by + * the Free Software Foundation; version 2 of the License. + * + * This program is distributed in the hope that it will be useful, but + * WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU + * General Public License for more details. + * + * You should have received a copy of the GNU General Public License along + * with this program; if not, write to the Free Software Foundation, Inc., + * 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA. + */ + +#include "ao.h" +#include <ao_log.h> +#include <ao_config.h> + +__pdata uint32_t ao_log_current_pos; +__pdata uint32_t ao_log_end_pos; +__pdata uint32_t ao_log_start_pos; +__xdata uint8_t ao_log_running; +__pdata enum ao_flight_state ao_log_state; +__xdata uint16_t ao_flight_number; + +void +ao_log_flush(void) +{ + ao_storage_flush(); +} + +/* + * When erasing a flight log, make sure the config block + * has an up-to-date version of the current flight number + */ + +struct ao_log_erase { + uint8_t unused; + uint16_t flight; +}; + +static __xdata struct ao_log_erase erase; + +#define LOG_MAX_ERASE 16 + +static uint32_t +ao_log_erase_pos(uint8_t i) +{ + return i * sizeof (struct ao_log_erase) + AO_CONFIG_MAX_SIZE; +} + +void +ao_log_write_erase(uint8_t pos) +{ + erase.unused = 0x00; + erase.flight = ao_flight_number; + ao_config_write(ao_log_erase_pos(pos), &erase, sizeof (erase)); + ao_config_flush(); +} + +static void +ao_log_read_erase(uint8_t pos) +{ + ao_config_read(ao_log_erase_pos(pos), &erase, sizeof (erase)); +} + + +static void +ao_log_erase_mark(void) +{ + uint8_t i; + + for (i = 0; i < LOG_MAX_ERASE; i++) { + ao_log_read_erase(i); + if (erase.unused == 0 && erase.flight == ao_flight_number) + return; + if (erase.unused == 0xff) { + ao_log_write_erase(i); + return; + } + } + ao_config_put(); +} + +static uint8_t +ao_log_slots() +{ + return (uint8_t) (ao_storage_log_max / ao_config.flight_log_max); +} + +uint32_t +ao_log_pos(uint8_t slot) +{ + return ((slot) * ao_config.flight_log_max); +} + +static uint16_t +ao_log_max_flight(void) +{ + uint8_t log_slot; + uint8_t log_slots; + uint16_t log_flight; + uint16_t max_flight = 0; + + /* Scan the log space looking for the biggest flight number */ + log_slots = ao_log_slots(); + for (log_slot = 0; log_slot < log_slots; log_slot++) { + log_flight = ao_log_flight(log_slot); + if (!log_flight) + continue; + if (max_flight == 0 || (int16_t) (log_flight - max_flight) > 0) + max_flight = log_flight; + } + return max_flight; +} + +void +ao_log_scan(void) __reentrant +{ + uint8_t log_slot; + uint8_t log_slots; + uint8_t log_want; + + ao_config_get(); + + ao_flight_number = ao_log_max_flight(); + if (ao_flight_number) + if (++ao_flight_number == 0) + ao_flight_number = 1; + + /* Now look through the log of flight numbers from erase operations and + * see if the last one is bigger than what we found above + */ + for (log_slot = LOG_MAX_ERASE; log_slot-- > 0;) { + ao_log_read_erase(log_slot); + if (erase.unused == 0) { + if (ao_flight_number == 0 || + (int16_t) (erase.flight - ao_flight_number) > 0) + ao_flight_number = erase.flight; + break; + } + } + if (ao_flight_number == 0) + ao_flight_number = 1; + + /* With a flight number in hand, find a place to write a new log, + * use the target flight number to index the available log slots so + * that we write logs to each spot about the same number of times. + */ + + /* Find a log slot for the next flight, if available */ + ao_log_current_pos = ao_log_end_pos = 0; + log_slots = ao_log_slots(); + log_want = (ao_flight_number - 1) % log_slots; + log_slot = log_want; + do { + if (ao_log_flight(log_slot) == 0) { + ao_log_current_pos = ao_log_pos(log_slot); + ao_log_end_pos = ao_log_current_pos + ao_config.flight_log_max; + break; + } + if (++log_slot >= log_slots) + log_slot = 0; + } while (log_slot != log_want); + + ao_wakeup(&ao_flight_number); +} + +void +ao_log_start(void) +{ + /* start logging */ + ao_log_running = 1; + ao_wakeup(&ao_log_running); +} + +void +ao_log_stop(void) +{ + ao_log_running = 0; + ao_log_flush(); +} + +uint8_t +ao_log_present(void) +{ + return ao_log_max_flight() != 0; +} + +uint8_t +ao_log_full(void) +{ + return ao_log_current_pos == ao_log_end_pos; +} + +#if HAS_ADC +static __xdata struct ao_task ao_log_task; +#endif + +void +ao_log_list(void) __reentrant +{ + uint8_t slot; + uint8_t slots; + uint16_t flight; + + slots = ao_log_slots(); + for (slot = 0; slot < slots; slot++) + { + flight = ao_log_flight(slot); + if (flight) + printf ("flight %d start %x end %x\n", + flight, + (uint16_t) (ao_log_pos(slot) >> 8), + (uint16_t) (ao_log_pos(slot+1) >> 8)); + } + printf ("done\n"); +} + +void +ao_log_delete(void) __reentrant +{ + uint8_t slot; + uint8_t slots; + + ao_cmd_decimal(); + if (ao_cmd_status != ao_cmd_success) + return; + + slots = ao_log_slots(); + /* Look for the flight log matching the requested flight */ + if (ao_cmd_lex_i) { + for (slot = 0; slot < slots; slot++) { + if (ao_log_flight(slot) == ao_cmd_lex_i) { + ao_log_erase_mark(); + ao_log_current_pos = ao_log_pos(slot); + ao_log_end_pos = ao_log_current_pos + ao_config.flight_log_max; + while (ao_log_current_pos < ao_log_end_pos) { + uint8_t i; + static __xdata uint8_t b; + + /* + * Check to see if we've reached the end of + * the used memory to avoid re-erasing the same + * memory over and over again + */ + for (i = 0; i < 16; i++) { + if (ao_storage_read(ao_log_current_pos + i, &b, 1)) + if (b != 0xff) + break; + } + if (i == 16) + break; + ao_storage_erase(ao_log_current_pos); + ao_log_current_pos += ao_storage_block; + } + puts("Erased"); + return; + } + } + } + printf("No such flight: %d\n", ao_cmd_lex_i); +} + +__code struct ao_cmds ao_log_cmds[] = { + { ao_log_list, "l\0List logs" }, + { ao_log_delete, "d <flight-number>\0Delete flight" }, + { 0, NULL }, +}; + +void +ao_log_init(void) +{ + ao_log_running = 0; + + /* For now, just log the flight starting at the begining of eeprom */ + ao_log_state = ao_flight_invalid; + + ao_cmd_register(&ao_log_cmds[0]); + +#ifndef HAS_ADC +#error Define HAS_ADC for ao_log.c +#endif +#if HAS_ADC + /* Create a task to log events to eeprom */ + ao_add_task(&ao_log_task, ao_log, "log"); +#endif +} diff --git a/src/kernel/ao_log.h b/src/kernel/ao_log.h new file mode 100644 index 00000000..09f31188 --- /dev/null +++ b/src/kernel/ao_log.h @@ -0,0 +1,386 @@ +/* + * Copyright © 2012 Keith Packard <keithp@keithp.com> + * + * This program is free software; you can redistribute it and/or modify + * it under the terms of the GNU General Public License as published by + * the Free Software Foundation; version 2 of the License. + * + * This program is distributed in the hope that it will be useful, but + * WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU + * General Public License for more details. + * + * You should have received a copy of the GNU General Public License along + * with this program; if not, write to the Free Software Foundation, Inc., + * 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA. + */ + +#ifndef _AO_LOG_H_ +#define _AO_LOG_H_ + +#include <ao_flight.h> + +/* + * ao_log.c + */ + +/* We record flight numbers in the first record of + * the log. Tasks may wait for this to be initialized + * by sleeping on this variable. + */ +extern __xdata uint16_t ao_flight_number; + +extern __pdata uint32_t ao_log_current_pos; +extern __pdata uint32_t ao_log_end_pos; +extern __pdata uint32_t ao_log_start_pos; +extern __xdata uint8_t ao_log_running; +extern __pdata enum ao_flight_state ao_log_state; + +/* required functions from the underlying log system */ + +#define AO_LOG_FORMAT_UNKNOWN 0 /* unknown; altosui will have to guess */ +#define AO_LOG_FORMAT_FULL 1 /* 8 byte typed log records */ +#define AO_LOG_FORMAT_TINY 2 /* two byte state/baro records */ +#define AO_LOG_FORMAT_TELEMETRY 3 /* 32 byte ao_telemetry records */ +#define AO_LOG_FORMAT_TELESCIENCE 4 /* 32 byte typed telescience records */ +#define AO_LOG_FORMAT_TELEMEGA 5 /* 32 byte typed telemega records */ +#define AO_LOG_FORMAT_EASYMINI 6 /* 16-byte MS5607 baro only, 3.0V supply */ +#define AO_LOG_FORMAT_TELEMETRUM 7 /* 16-byte typed telemetrum records */ +#define AO_LOG_FORMAT_TELEMINI 8 /* 16-byte MS5607 baro only, 3.3V supply */ +#define AO_LOG_FORMAT_NONE 127 /* No log at all */ + +extern __code uint8_t ao_log_format; + +/* Return the flight number from the given log slot, 0 if none */ +uint16_t +ao_log_flight(uint8_t slot); + +/* Flush the log */ +void +ao_log_flush(void); + +/* Logging thread main routine */ +void +ao_log(void); + +/* functions provided in ao_log.c */ + +/* Figure out the current flight number */ +void +ao_log_scan(void) __reentrant; + +/* Return the position of the start of the given log slot */ +uint32_t +ao_log_pos(uint8_t slot); + +/* Start logging to eeprom */ +void +ao_log_start(void); + +/* Stop logging */ +void +ao_log_stop(void); + +/* Initialize the logging system */ +void +ao_log_init(void); + +/* Write out the current flight number to the erase log */ +void +ao_log_write_erase(uint8_t pos); + +/* Returns true if there are any logs stored in eeprom */ +uint8_t +ao_log_present(void); + +/* Returns true if there is no more storage space available */ +uint8_t +ao_log_full(void); + +/* + * ao_log_big.c + */ + +/* + * The data log is recorded in the eeprom as a sequence + * of data packets. + * + * Each packet starts with a 4-byte header that has the + * packet type, the packet checksum and the tick count. Then + * they all contain 2 16 bit values which hold packet-specific + * data. + * + * For each flight, the first packet + * is FLIGHT packet, indicating the serial number of the + * device and a unique number marking the number of flights + * recorded by this device. + * + * During flight, data from the accelerometer and barometer + * are recorded in SENSOR packets, using the raw 16-bit values + * read from the A/D converter. + * + * Also during flight, but at a lower rate, the deployment + * sensors are recorded in DEPLOY packets. The goal here is to + * detect failure in the deployment circuits. + * + * STATE packets hold state transitions as the flight computer + * transitions through different stages of the flight. + */ +#define AO_LOG_FLIGHT 'F' +#define AO_LOG_SENSOR 'A' +#define AO_LOG_TEMP_VOLT 'T' +#define AO_LOG_DEPLOY 'D' +#define AO_LOG_STATE 'S' +#define AO_LOG_GPS_TIME 'G' +#define AO_LOG_GPS_LAT 'N' +#define AO_LOG_GPS_LON 'W' +#define AO_LOG_GPS_ALT 'H' +#define AO_LOG_GPS_SAT 'V' +#define AO_LOG_GPS_DATE 'Y' +#define AO_LOG_GPS_POS 'P' + +#define AO_LOG_POS_NONE (~0UL) + +struct ao_log_record { + char type; /* 0 */ + uint8_t csum; /* 1 */ + uint16_t tick; /* 2 */ + union { + struct { + int16_t ground_accel; /* 4 */ + uint16_t flight; /* 6 */ + } flight; + struct { + int16_t accel; /* 4 */ + int16_t pres; /* 6 */ + } sensor; + struct { + int16_t temp; + int16_t v_batt; + } temp_volt; + struct { + int16_t drogue; + int16_t main; + } deploy; + struct { + uint16_t state; + uint16_t reason; + } state; + struct { + uint8_t hour; + uint8_t minute; + uint8_t second; + uint8_t flags; + } gps_time; + int32_t gps_latitude; + int32_t gps_longitude; + struct { + int16_t altitude; + uint16_t unused; + } gps_altitude; + struct { + uint16_t svid; + uint8_t unused; + uint8_t c_n; + } gps_sat; + struct { + uint8_t year; + uint8_t month; + uint8_t day; + uint8_t extra; + } gps_date; + struct { + uint16_t d0; + uint16_t d1; + } anon; + } u; +}; + +struct ao_log_mega { + char type; /* 0 */ + uint8_t csum; /* 1 */ + uint16_t tick; /* 2 */ + union { /* 4 */ + /* AO_LOG_FLIGHT */ + struct { + uint16_t flight; /* 4 */ + int16_t ground_accel; /* 6 */ + uint32_t ground_pres; /* 8 */ + int16_t ground_accel_along; /* 16 */ + int16_t ground_accel_across; /* 12 */ + int16_t ground_accel_through; /* 14 */ + int16_t ground_roll; /* 18 */ + int16_t ground_pitch; /* 20 */ + int16_t ground_yaw; /* 22 */ + } flight; /* 24 */ + /* AO_LOG_STATE */ + struct { + uint16_t state; + uint16_t reason; + } state; + /* AO_LOG_SENSOR */ + struct { + uint32_t pres; /* 4 */ + uint32_t temp; /* 8 */ + int16_t accel_x; /* 12 */ + int16_t accel_y; /* 14 */ + int16_t accel_z; /* 16 */ + int16_t gyro_x; /* 18 */ + int16_t gyro_y; /* 20 */ + int16_t gyro_z; /* 22 */ + int16_t mag_x; /* 24 */ + int16_t mag_y; /* 26 */ + int16_t mag_z; /* 28 */ + int16_t accel; /* 30 */ + } sensor; /* 32 */ + /* AO_LOG_TEMP_VOLT */ + struct { + int16_t v_batt; /* 4 */ + int16_t v_pbatt; /* 6 */ + int16_t n_sense; /* 8 */ + int16_t sense[10]; /* 10 */ + uint16_t pyro; /* 30 */ + } volt; /* 32 */ + /* AO_LOG_GPS_TIME */ + struct { + int32_t latitude; /* 4 */ + int32_t longitude; /* 8 */ + int16_t altitude; /* 12 */ + uint8_t hour; /* 14 */ + uint8_t minute; /* 15 */ + uint8_t second; /* 16 */ + uint8_t flags; /* 17 */ + uint8_t year; /* 18 */ + uint8_t month; /* 19 */ + uint8_t day; /* 20 */ + uint8_t course; /* 21 */ + uint16_t ground_speed; /* 22 */ + int16_t climb_rate; /* 24 */ + uint8_t pdop; /* 26 */ + uint8_t hdop; /* 27 */ + uint8_t vdop; /* 28 */ + uint8_t mode; /* 29 */ + } gps; /* 30 */ + /* AO_LOG_GPS_SAT */ + struct { + uint16_t channels; /* 4 */ + struct { + uint8_t svid; + uint8_t c_n; + } sats[12]; /* 6 */ + } gps_sat; /* 30 */ + } u; +}; + +struct ao_log_metrum { + char type; /* 0 */ + uint8_t csum; /* 1 */ + uint16_t tick; /* 2 */ + union { /* 4 */ + /* AO_LOG_FLIGHT */ + struct { + uint16_t flight; /* 4 */ + int16_t ground_accel; /* 6 */ + uint32_t ground_pres; /* 8 */ + uint32_t ground_temp; /* 12 */ + } flight; /* 16 */ + /* AO_LOG_STATE */ + struct { + uint16_t state; /* 4 */ + uint16_t reason; /* 6 */ + } state; /* 8 */ + /* AO_LOG_SENSOR */ + struct { + uint32_t pres; /* 4 */ + uint32_t temp; /* 8 */ + int16_t accel; /* 12 */ + } sensor; /* 14 */ + /* AO_LOG_TEMP_VOLT */ + struct { + int16_t v_batt; /* 4 */ + int16_t sense_a; /* 6 */ + int16_t sense_m; /* 8 */ + } volt; /* 10 */ + /* AO_LOG_GPS_POS */ + struct { + int32_t latitude; /* 4 */ + int32_t longitude; /* 8 */ + int16_t altitude; /* 12 */ + } gps; /* 14 */ + /* AO_LOG_GPS_TIME */ + struct { + uint8_t hour; /* 4 */ + uint8_t minute; /* 5 */ + uint8_t second; /* 6 */ + uint8_t flags; /* 7 */ + uint8_t year; /* 8 */ + uint8_t month; /* 9 */ + uint8_t day; /* 10 */ + uint8_t pad; /* 11 */ + } gps_time; /* 12 */ + /* AO_LOG_GPS_SAT (up to three packets) */ + struct { + uint8_t channels; /* 4 */ + uint8_t more; /* 5 */ + struct { + uint8_t svid; + uint8_t c_n; + } sats[4]; /* 6 */ + } gps_sat; /* 14 */ + uint8_t raw[12]; /* 4 */ + } u; /* 16 */ +}; + +struct ao_log_mini { + char type; /* 0 */ + uint8_t csum; /* 1 */ + uint16_t tick; /* 2 */ + union { /* 4 */ + /* AO_LOG_FLIGHT */ + struct { + uint16_t flight; /* 4 */ + uint16_t r6; + uint32_t ground_pres; /* 8 */ + } flight; + /* AO_LOG_STATE */ + struct { + uint16_t state; /* 4 */ + uint16_t reason; /* 6 */ + } state; + /* AO_LOG_SENSOR */ + struct { + uint8_t pres[3]; /* 4 */ + uint8_t temp[3]; /* 7 */ + int16_t sense_a; /* 10 */ + int16_t sense_m; /* 12 */ + int16_t v_batt; /* 14 */ + } sensor; /* 16 */ + } u; /* 16 */ +}; /* 16 */ + +#define ao_log_pack24(dst,value) do { \ + (dst)[0] = (value); \ + (dst)[1] = (value) >> 8; \ + (dst)[2] = (value) >> 16; \ + } while (0) + +/* Write a record to the eeprom log */ +uint8_t +ao_log_data(__xdata struct ao_log_record *log) __reentrant; + +uint8_t +ao_log_mega(__xdata struct ao_log_mega *log) __reentrant; + +uint8_t +ao_log_metrum(__xdata struct ao_log_metrum *log) __reentrant; + +uint8_t +ao_log_mini(__xdata struct ao_log_mini *log) __reentrant; + +void +ao_log_flush(void); + +void +ao_gps_report_metrum_init(void); + +#endif /* _AO_LOG_H_ */ diff --git a/src/kernel/ao_log_big.c b/src/kernel/ao_log_big.c new file mode 100644 index 00000000..db01f46c --- /dev/null +++ b/src/kernel/ao_log_big.c @@ -0,0 +1,162 @@ +/* + * Copyright © 2011 Keith Packard <keithp@keithp.com> + * + * This program is free software; you can redistribute it and/or modify + * it under the terms of the GNU General Public License as published by + * the Free Software Foundation; version 2 of the License. + * + * This program is distributed in the hope that it will be useful, but + * WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU + * General Public License for more details. + * + * You should have received a copy of the GNU General Public License along + * with this program; if not, write to the Free Software Foundation, Inc., + * 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA. + */ + +#include "ao.h" + +static __xdata uint8_t ao_log_mutex; +static __xdata struct ao_log_record log; + +__code uint8_t ao_log_format = AO_LOG_FORMAT_FULL; + +static uint8_t +ao_log_csum(__xdata uint8_t *b) __reentrant +{ + uint8_t sum = 0x5a; + uint8_t i; + + for (i = 0; i < sizeof (struct ao_log_record); i++) + sum += *b++; + return -sum; +} + +uint8_t +ao_log_data(__xdata struct ao_log_record *log) __reentrant +{ + uint8_t wrote = 0; + /* set checksum */ + log->csum = 0; + log->csum = ao_log_csum((__xdata uint8_t *) log); + ao_mutex_get(&ao_log_mutex); { + if (ao_log_current_pos >= ao_log_end_pos && ao_log_running) + ao_log_stop(); + if (ao_log_running) { + wrote = 1; + ao_storage_write(ao_log_current_pos, + log, + sizeof (struct ao_log_record)); + ao_log_current_pos += sizeof (struct ao_log_record); + } + } ao_mutex_put(&ao_log_mutex); + return wrote; +} + +static uint8_t +ao_log_dump_check_data(void) +{ + if (ao_log_csum((uint8_t *) &log) != 0) + return 0; + return 1; +} + +static __data uint8_t ao_log_data_pos; + +/* a hack to make sure that ao_log_records fill the eeprom block in even units */ +typedef uint8_t check_log_size[1-(256 % sizeof(struct ao_log_record))] ; + +#ifndef AO_SENSOR_INTERVAL_ASCENT +#define AO_SENSOR_INTERVAL_ASCENT 1 +#define AO_SENSOR_INTERVAL_DESCENT 10 +#define AO_OTHER_INTERVAL 32 +#endif + +void +ao_log(void) +{ + __pdata uint16_t next_sensor, next_other; + + ao_storage_setup(); + + ao_log_scan(); + + while (!ao_log_running) + ao_sleep(&ao_log_running); + + log.type = AO_LOG_FLIGHT; + log.tick = ao_sample_tick; +#if HAS_ACCEL + log.u.flight.ground_accel = ao_ground_accel; +#endif + log.u.flight.flight = ao_flight_number; + ao_log_data(&log); + + /* Write the whole contents of the ring to the log + * when starting up. + */ + ao_log_data_pos = ao_data_ring_next(ao_sample_data); + next_other = next_sensor = ao_data_ring[ao_log_data_pos].tick; + ao_log_state = ao_flight_startup; + for (;;) { + /* Write samples to EEPROM */ + while (ao_log_data_pos != ao_sample_data) { + log.tick = ao_data_ring[ao_log_data_pos].tick; + if ((int16_t) (log.tick - next_sensor) >= 0) { + log.type = AO_LOG_SENSOR; + log.u.sensor.accel = ao_data_ring[ao_log_data_pos].adc.accel; + log.u.sensor.pres = ao_data_ring[ao_log_data_pos].adc.pres; + ao_log_data(&log); + if (ao_log_state <= ao_flight_coast) + next_sensor = log.tick + AO_SENSOR_INTERVAL_ASCENT; + else + next_sensor = log.tick + AO_SENSOR_INTERVAL_DESCENT; + } + if ((int16_t) (log.tick - next_other) >= 0) { + log.type = AO_LOG_TEMP_VOLT; + log.u.temp_volt.temp = ao_data_ring[ao_log_data_pos].adc.temp; + log.u.temp_volt.v_batt = ao_data_ring[ao_log_data_pos].adc.v_batt; + ao_log_data(&log); + log.type = AO_LOG_DEPLOY; + log.u.deploy.drogue = ao_data_ring[ao_log_data_pos].adc.sense_d; + log.u.deploy.main = ao_data_ring[ao_log_data_pos].adc.sense_m; + ao_log_data(&log); + next_other = log.tick + AO_OTHER_INTERVAL; + } + ao_log_data_pos = ao_data_ring_next(ao_log_data_pos); + } + /* Write state change to EEPROM */ + if (ao_flight_state != ao_log_state) { + ao_log_state = ao_flight_state; + log.type = AO_LOG_STATE; + log.tick = ao_sample_tick; + log.u.state.state = ao_log_state; + log.u.state.reason = 0; + ao_log_data(&log); + + if (ao_log_state == ao_flight_landed) + ao_log_stop(); + } + + /* Wait for a while */ + ao_delay(AO_MS_TO_TICKS(100)); + + /* Stop logging when told to */ + while (!ao_log_running) + ao_sleep(&ao_log_running); + } +} + +uint16_t +ao_log_flight(uint8_t slot) +{ + if (!ao_storage_read(ao_log_pos(slot), + &log, + sizeof (struct ao_log_record))) + return 0; + + if (ao_log_dump_check_data() && log.type == AO_LOG_FLIGHT) + return log.u.flight.flight; + return 0; +} diff --git a/src/kernel/ao_log_mega.c b/src/kernel/ao_log_mega.c new file mode 100644 index 00000000..768947d5 --- /dev/null +++ b/src/kernel/ao_log_mega.c @@ -0,0 +1,199 @@ +/* + * Copyright © 2012 Keith Packard <keithp@keithp.com> + * + * This program is free software; you can redistribute it and/or modify + * it under the terms of the GNU General Public License as published by + * the Free Software Foundation; version 2 of the License. + * + * This program is distributed in the hope that it will be useful, but + * WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU + * General Public License for more details. + * + * You should have received a copy of the GNU General Public License along + * with this program; if not, write to the Free Software Foundation, Inc., + * 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA. + */ + +#include "ao.h" +#include <ao_log.h> +#include <ao_data.h> +#include <ao_flight.h> + +static __xdata uint8_t ao_log_mutex; +static __xdata struct ao_log_mega log; + +__code uint8_t ao_log_format = AO_LOG_FORMAT_TELEMEGA; + +static uint8_t +ao_log_csum(__xdata uint8_t *b) __reentrant +{ + uint8_t sum = 0x5a; + uint8_t i; + + for (i = 0; i < sizeof (struct ao_log_mega); i++) + sum += *b++; + return -sum; +} + +uint8_t +ao_log_mega(__xdata struct ao_log_mega *log) __reentrant +{ + uint8_t wrote = 0; + /* set checksum */ + log->csum = 0; + log->csum = ao_log_csum((__xdata uint8_t *) log); + ao_mutex_get(&ao_log_mutex); { + if (ao_log_current_pos >= ao_log_end_pos && ao_log_running) + ao_log_stop(); + if (ao_log_running) { + wrote = 1; + ao_storage_write(ao_log_current_pos, + log, + sizeof (struct ao_log_mega)); + ao_log_current_pos += sizeof (struct ao_log_mega); + } + } ao_mutex_put(&ao_log_mutex); + return wrote; +} + +static uint8_t +ao_log_dump_check_data(void) +{ + if (ao_log_csum((uint8_t *) &log) != 0) + return 0; + return 1; +} + +#if HAS_ADC +static __data uint8_t ao_log_data_pos; + +/* a hack to make sure that ao_log_megas fill the eeprom block in even units */ +typedef uint8_t check_log_size[1-(256 % sizeof(struct ao_log_mega))] ; + +#ifndef AO_SENSOR_INTERVAL_ASCENT +#define AO_SENSOR_INTERVAL_ASCENT 1 +#define AO_SENSOR_INTERVAL_DESCENT 10 +#define AO_OTHER_INTERVAL 32 +#endif + +void +ao_log(void) +{ + __pdata uint16_t next_sensor, next_other; + uint8_t i; + + ao_storage_setup(); + + ao_log_scan(); + + while (!ao_log_running) + ao_sleep(&ao_log_running); + +#if HAS_FLIGHT + log.type = AO_LOG_FLIGHT; + log.tick = ao_sample_tick; +#if HAS_ACCEL + log.u.flight.ground_accel = ao_ground_accel; +#endif +#if HAS_GYRO + log.u.flight.ground_accel_along = ao_ground_accel_along; + log.u.flight.ground_accel_across = ao_ground_accel_across; + log.u.flight.ground_accel_through = ao_ground_accel_through; + log.u.flight.ground_pitch = ao_ground_pitch; + log.u.flight.ground_yaw = ao_ground_yaw; + log.u.flight.ground_roll = ao_ground_roll; +#endif + log.u.flight.ground_pres = ao_ground_pres; + log.u.flight.flight = ao_flight_number; + ao_log_mega(&log); +#endif + + /* Write the whole contents of the ring to the log + * when starting up. + */ + ao_log_data_pos = ao_data_ring_next(ao_data_head); + next_other = next_sensor = ao_data_ring[ao_log_data_pos].tick; + ao_log_state = ao_flight_startup; + for (;;) { + /* Write samples to EEPROM */ + while (ao_log_data_pos != ao_data_head) { + log.tick = ao_data_ring[ao_log_data_pos].tick; + if ((int16_t) (log.tick - next_sensor) >= 0) { + log.type = AO_LOG_SENSOR; +#if HAS_MS5607 + log.u.sensor.pres = ao_data_ring[ao_log_data_pos].ms5607_raw.pres; + log.u.sensor.temp = ao_data_ring[ao_log_data_pos].ms5607_raw.temp; +#endif +#if HAS_MPU6000 + log.u.sensor.accel_x = ao_data_ring[ao_log_data_pos].mpu6000.accel_x; + log.u.sensor.accel_y = ao_data_ring[ao_log_data_pos].mpu6000.accel_y; + log.u.sensor.accel_z = ao_data_ring[ao_log_data_pos].mpu6000.accel_z; + log.u.sensor.gyro_x = ao_data_ring[ao_log_data_pos].mpu6000.gyro_x; + log.u.sensor.gyro_y = ao_data_ring[ao_log_data_pos].mpu6000.gyro_y; + log.u.sensor.gyro_z = ao_data_ring[ao_log_data_pos].mpu6000.gyro_z; +#endif +#if HAS_HMC5883 + log.u.sensor.mag_x = ao_data_ring[ao_log_data_pos].hmc5883.x; + log.u.sensor.mag_y = ao_data_ring[ao_log_data_pos].hmc5883.y; + log.u.sensor.mag_z = ao_data_ring[ao_log_data_pos].hmc5883.z; +#endif + log.u.sensor.accel = ao_data_accel(&ao_data_ring[ao_log_data_pos]); + ao_log_mega(&log); + if (ao_log_state <= ao_flight_coast) + next_sensor = log.tick + AO_SENSOR_INTERVAL_ASCENT; + else + next_sensor = log.tick + AO_SENSOR_INTERVAL_DESCENT; + } + if ((int16_t) (log.tick - next_other) >= 0) { + log.type = AO_LOG_TEMP_VOLT; + log.u.volt.v_batt = ao_data_ring[ao_log_data_pos].adc.v_batt; + log.u.volt.v_pbatt = ao_data_ring[ao_log_data_pos].adc.v_pbatt; + log.u.volt.n_sense = AO_ADC_NUM_SENSE; + for (i = 0; i < AO_ADC_NUM_SENSE; i++) + log.u.volt.sense[i] = ao_data_ring[ao_log_data_pos].adc.sense[i]; + log.u.volt.pyro = ao_pyro_fired; + ao_log_mega(&log); + next_other = log.tick + AO_OTHER_INTERVAL; + } + ao_log_data_pos = ao_data_ring_next(ao_log_data_pos); + } +#if HAS_FLIGHT + /* Write state change to EEPROM */ + if (ao_flight_state != ao_log_state) { + ao_log_state = ao_flight_state; + log.type = AO_LOG_STATE; + log.tick = ao_time(); + log.u.state.state = ao_log_state; + log.u.state.reason = 0; + ao_log_mega(&log); + + if (ao_log_state == ao_flight_landed) + ao_log_stop(); + } +#endif + + ao_log_flush(); + + /* Wait for a while */ + ao_delay(AO_MS_TO_TICKS(100)); + + /* Stop logging when told to */ + while (!ao_log_running) + ao_sleep(&ao_log_running); + } +} +#endif + +uint16_t +ao_log_flight(uint8_t slot) +{ + if (!ao_storage_read(ao_log_pos(slot), + &log, + sizeof (struct ao_log_mega))) + return 0; + + if (ao_log_dump_check_data() && log.type == AO_LOG_FLIGHT) + return log.u.flight.flight; + return 0; +} diff --git a/src/kernel/ao_log_metrum.c b/src/kernel/ao_log_metrum.c new file mode 100644 index 00000000..9b17adc2 --- /dev/null +++ b/src/kernel/ao_log_metrum.c @@ -0,0 +1,176 @@ +/* + * Copyright © 2012 Keith Packard <keithp@keithp.com> + * + * This program is free software; you can redistribute it and/or modify + * it under the terms of the GNU General Public License as published by + * the Free Software Foundation; version 2 of the License. + * + * This program is distributed in the hope that it will be useful, but + * WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU + * General Public License for more details. + * + * You should have received a copy of the GNU General Public License along + * with this program; if not, write to the Free Software Foundation, Inc., + * 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA. + */ + +#include "ao.h" +#include <ao_log.h> +#include <ao_data.h> +#include <ao_flight.h> + +static __xdata uint8_t ao_log_mutex; +static __xdata struct ao_log_metrum log; + +__code uint8_t ao_log_format = AO_LOG_FORMAT_TELEMETRUM; + +static uint8_t +ao_log_csum(__xdata uint8_t *b) __reentrant +{ + uint8_t sum = 0x5a; + uint8_t i; + + for (i = 0; i < sizeof (struct ao_log_metrum); i++) + sum += *b++; + return -sum; +} + +uint8_t +ao_log_metrum(__xdata struct ao_log_metrum *log) __reentrant +{ + uint8_t wrote = 0; + /* set checksum */ + log->csum = 0; + log->csum = ao_log_csum((__xdata uint8_t *) log); + ao_mutex_get(&ao_log_mutex); { + if (ao_log_current_pos >= ao_log_end_pos && ao_log_running) + ao_log_stop(); + if (ao_log_running) { + wrote = 1; + ao_storage_write(ao_log_current_pos, + log, + sizeof (struct ao_log_metrum)); + ao_log_current_pos += sizeof (struct ao_log_metrum); + } + } ao_mutex_put(&ao_log_mutex); + return wrote; +} + +static uint8_t +ao_log_dump_check_data(void) +{ + if (ao_log_csum((uint8_t *) &log) != 0) + return 0; + return 1; +} + +#if HAS_ADC +static __data uint8_t ao_log_data_pos; + +/* a hack to make sure that ao_log_metrums fill the eeprom block in even units */ +typedef uint8_t check_log_size[1-(256 % sizeof(struct ao_log_metrum))] ; + +#ifndef AO_SENSOR_INTERVAL_ASCENT +#define AO_SENSOR_INTERVAL_ASCENT 1 +#define AO_SENSOR_INTERVAL_DESCENT 10 +#define AO_OTHER_INTERVAL 32 +#endif + +void +ao_log(void) +{ + __pdata uint16_t next_sensor, next_other; + + ao_storage_setup(); + + ao_log_scan(); + + while (!ao_log_running) + ao_sleep(&ao_log_running); + +#if HAS_FLIGHT + log.type = AO_LOG_FLIGHT; + log.tick = ao_sample_tick; +#if HAS_ACCEL + log.u.flight.ground_accel = ao_ground_accel; +#endif + log.u.flight.ground_pres = ao_ground_pres; + log.u.flight.flight = ao_flight_number; + ao_log_metrum(&log); +#endif + + /* Write the whole contents of the ring to the log + * when starting up. + */ + ao_log_data_pos = ao_data_ring_next(ao_data_head); + next_other = next_sensor = ao_data_ring[ao_log_data_pos].tick; + ao_log_state = ao_flight_startup; + for (;;) { + /* Write samples to EEPROM */ + while (ao_log_data_pos != ao_data_head) { + log.tick = ao_data_ring[ao_log_data_pos].tick; + if ((int16_t) (log.tick - next_sensor) >= 0) { + log.type = AO_LOG_SENSOR; +#if HAS_MS5607 + log.u.sensor.pres = ao_data_ring[ao_log_data_pos].ms5607_raw.pres; + log.u.sensor.temp = ao_data_ring[ao_log_data_pos].ms5607_raw.temp; +#endif +#if HAS_ACCEL + log.u.sensor.accel = ao_data_accel(&ao_data_ring[ao_log_data_pos]); +#endif + ao_log_metrum(&log); + if (ao_log_state <= ao_flight_coast) + next_sensor = log.tick + AO_SENSOR_INTERVAL_ASCENT; + else + next_sensor = log.tick + AO_SENSOR_INTERVAL_DESCENT; + } + if ((int16_t) (log.tick - next_other) >= 0) { + log.type = AO_LOG_TEMP_VOLT; + log.u.volt.v_batt = ao_data_ring[ao_log_data_pos].adc.v_batt; + log.u.volt.sense_a = ao_data_ring[ao_log_data_pos].adc.sense_a; + log.u.volt.sense_m = ao_data_ring[ao_log_data_pos].adc.sense_m; + ao_log_metrum(&log); + next_other = log.tick + AO_OTHER_INTERVAL; + } + ao_log_data_pos = ao_data_ring_next(ao_log_data_pos); + } +#if HAS_FLIGHT + /* Write state change to EEPROM */ + if (ao_flight_state != ao_log_state) { + ao_log_state = ao_flight_state; + log.type = AO_LOG_STATE; + log.tick = ao_time(); + log.u.state.state = ao_log_state; + log.u.state.reason = 0; + ao_log_metrum(&log); + + if (ao_log_state == ao_flight_landed) + ao_log_stop(); + } +#endif + + ao_log_flush(); + + /* Wait for a while */ + ao_delay(AO_MS_TO_TICKS(100)); + + /* Stop logging when told to */ + while (!ao_log_running) + ao_sleep(&ao_log_running); + } +} +#endif + +uint16_t +ao_log_flight(uint8_t slot) +{ + if (!ao_storage_read(ao_log_pos(slot), + &log, + sizeof (struct ao_log_metrum))) + return 0; + + if (ao_log_dump_check_data() && log.type == AO_LOG_FLIGHT) + return log.u.flight.flight; + return 0; +} diff --git a/src/kernel/ao_log_micro.c b/src/kernel/ao_log_micro.c new file mode 100644 index 00000000..d665efb5 --- /dev/null +++ b/src/kernel/ao_log_micro.c @@ -0,0 +1,121 @@ +/* + * Copyright © 2012 Keith Packard <keithp@keithp.com> + * + * This program is free software; you can redistribute it and/or modify + * it under the terms of the GNU General Public License as published by + * the Free Software Foundation; version 2 of the License. + * + * This program is distributed in the hope that it will be useful, but + * WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU + * General Public License for more details. + * + * You should have received a copy of the GNU General Public License along + * with this program; if not, write to the Free Software Foundation, Inc., + * 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA. + */ + +#include <ao.h> +#include <ao_micropeak.h> +#include <ao_log_micro.h> +#include <ao_async.h> + +static uint16_t ao_log_offset = STARTING_LOG_OFFSET; + +void +ao_log_micro_save(void) +{ + uint16_t n_samples = (ao_log_offset - STARTING_LOG_OFFSET) / sizeof (uint16_t); + ao_eeprom_write(PA_GROUND_OFFSET, &pa_ground, sizeof (pa_ground)); + ao_eeprom_write(PA_MIN_OFFSET, &pa_min, sizeof (pa_min)); + ao_eeprom_write(N_SAMPLES_OFFSET, &n_samples, sizeof (n_samples)); +} + +void +ao_log_micro_restore(void) +{ + ao_eeprom_read(PA_GROUND_OFFSET, &pa_ground, sizeof (pa_ground)); + ao_eeprom_read(PA_MIN_OFFSET, &pa_min, sizeof (pa_min)); +} + +void +ao_log_micro_data(void) +{ + uint16_t low_bits = pa; + + if (ao_log_offset < MAX_LOG_OFFSET) { + ao_eeprom_write(ao_log_offset, &low_bits, sizeof (low_bits)); + ao_log_offset += sizeof (low_bits); + } +} + +#define POLY 0x8408 + +static uint16_t +ao_log_micro_crc(uint16_t crc, uint8_t byte) +{ + uint8_t i; + + for (i = 0; i < 8; i++) { + if ((crc & 0x0001) ^ (byte & 0x0001)) + crc = (crc >> 1) ^ POLY; + else + crc = crc >> 1; + byte >>= 1; + } + return crc; +} + +static void +ao_log_hex_nibble(uint8_t b) +{ + if (b < 10) + ao_async_byte('0' + b); + else + ao_async_byte('a' - 10 + b); +} + +static void +ao_log_hex(uint8_t b) +{ + ao_log_hex_nibble(b>>4); + ao_log_hex_nibble(b&0xf); +} + +static void +ao_log_newline(void) +{ + ao_async_byte('\r'); + ao_async_byte('\n'); +} + +void +ao_log_micro_dump(void) +{ + uint16_t n_samples; + uint16_t nbytes; + uint8_t byte; + uint16_t b; + uint16_t crc = 0xffff; + + ao_eeprom_read(N_SAMPLES_OFFSET, &n_samples, sizeof (n_samples)); + if (n_samples == 0xffff) + n_samples = 0; + nbytes = STARTING_LOG_OFFSET + sizeof (uint16_t) * n_samples; + ao_async_start(); + ao_async_byte('M'); + ao_async_byte('P'); + for (b = 0; b < nbytes; b++) { + if ((b & 0xf) == 0) + ao_log_newline(); + ao_eeprom_read(b, &byte, 1); + ao_log_hex(byte); + crc = ao_log_micro_crc(crc, byte); + } + ao_log_newline(); + crc = ~crc; + ao_log_hex(crc >> 8); + ao_log_hex(crc); + ao_log_newline(); + ao_async_stop(); +} diff --git a/src/kernel/ao_log_micro.h b/src/kernel/ao_log_micro.h new file mode 100644 index 00000000..976852ee --- /dev/null +++ b/src/kernel/ao_log_micro.h @@ -0,0 +1,39 @@ +/* + * Copyright © 2012 Keith Packard <keithp@keithp.com> + * + * This program is free software; you can redistribute it and/or modify + * it under the terms of the GNU General Public License as published by + * the Free Software Foundation; version 2 of the License. + * + * This program is distributed in the hope that it will be useful, but + * WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU + * General Public License for more details. + * + * You should have received a copy of the GNU General Public License along + * with this program; if not, write to the Free Software Foundation, Inc., + * 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA. + */ + +#ifndef _AO_LOG_MICRO_H_ +#define _AO_LOG_MICRO_H_ + +#define PA_GROUND_OFFSET 0 +#define PA_MIN_OFFSET 4 +#define N_SAMPLES_OFFSET 8 +#define STARTING_LOG_OFFSET 10 +#define MAX_LOG_OFFSET 512 + +void +ao_log_micro_save(void); + +void +ao_log_micro_restore(void); + +void +ao_log_micro_data(void); + +void +ao_log_micro_dump(void); + +#endif /* _AO_LOG_MICRO_H_ */ diff --git a/src/kernel/ao_log_mini.c b/src/kernel/ao_log_mini.c new file mode 100644 index 00000000..29e3bd9f --- /dev/null +++ b/src/kernel/ao_log_mini.c @@ -0,0 +1,162 @@ +/* + * Copyright © 2012 Keith Packard <keithp@keithp.com> + * + * This program is free software; you can redistribute it and/or modify + * it under the terms of the GNU General Public License as published by + * the Free Software Foundation; version 2 of the License. + * + * This program is distributed in the hope that it will be useful, but + * WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU + * General Public License for more details. + * + * You should have received a copy of the GNU General Public License along + * with this program; if not, write to the Free Software Foundation, Inc., + * 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA. + */ + +#include "ao.h" +#include <ao_log.h> +#include <ao_data.h> +#include <ao_flight.h> + +static __xdata uint8_t ao_log_mutex; +static __xdata struct ao_log_mini log; + +__code uint8_t ao_log_format = AO_LOG_FORMAT; + +static uint8_t +ao_log_csum(__xdata uint8_t *b) __reentrant +{ + uint8_t sum = 0x5a; + uint8_t i; + + for (i = 0; i < sizeof (struct ao_log_mini); i++) + sum += *b++; + return -sum; +} + +uint8_t +ao_log_mini(__xdata struct ao_log_mini *log) __reentrant +{ + uint8_t wrote = 0; + /* set checksum */ + log->csum = 0; + log->csum = ao_log_csum((__xdata uint8_t *) log); + ao_mutex_get(&ao_log_mutex); { + if (ao_log_current_pos >= ao_log_end_pos && ao_log_running) + ao_log_stop(); + if (ao_log_running) { + wrote = 1; + ao_storage_write(ao_log_current_pos, + log, + sizeof (struct ao_log_mini)); + ao_log_current_pos += sizeof (struct ao_log_mini); + } + } ao_mutex_put(&ao_log_mutex); + return wrote; +} + +static uint8_t +ao_log_dump_check_data(void) +{ + if (ao_log_csum((uint8_t *) &log) != 0) + return 0; + return 1; +} + +static __data uint8_t ao_log_data_pos; + +/* a hack to make sure that ao_log_minis fill the eeprom block in even units */ +typedef uint8_t check_log_size[1-(256 % sizeof(struct ao_log_mini))] ; + +#ifndef AO_SENSOR_INTERVAL_ASCENT +#define AO_SENSOR_INTERVAL_ASCENT 1 +#define AO_SENSOR_INTERVAL_DESCENT 10 +#endif + +void +ao_log(void) +{ + __pdata uint16_t next_sensor; + + ao_storage_setup(); + + ao_log_scan(); + + while (!ao_log_running) + ao_sleep(&ao_log_running); + +#if HAS_FLIGHT + log.type = AO_LOG_FLIGHT; + log.tick = ao_sample_tick; + log.u.flight.flight = ao_flight_number; + log.u.flight.ground_pres = ao_ground_pres; + ao_log_mini(&log); +#endif + + /* Write the whole contents of the ring to the log + * when starting up. + */ + ao_log_data_pos = ao_data_ring_next(ao_data_head); + next_sensor = ao_data_ring[ao_log_data_pos].tick; + ao_log_state = ao_flight_startup; + for (;;) { + /* Write samples to EEPROM */ + while (ao_log_data_pos != ao_data_head) { + log.tick = ao_data_ring[ao_log_data_pos].tick; + if ((int16_t) (log.tick - next_sensor) >= 0) { + log.type = AO_LOG_SENSOR; + ao_log_pack24(log.u.sensor.pres, + ao_data_ring[ao_log_data_pos].ms5607_raw.pres); + ao_log_pack24(log.u.sensor.temp, + ao_data_ring[ao_log_data_pos].ms5607_raw.temp); + log.u.sensor.sense_a = ao_data_ring[ao_log_data_pos].adc.sense_a; + log.u.sensor.sense_m = ao_data_ring[ao_log_data_pos].adc.sense_m; + log.u.sensor.v_batt = ao_data_ring[ao_log_data_pos].adc.v_batt; + ao_log_mini(&log); + if (ao_log_state <= ao_flight_coast) + next_sensor = log.tick + AO_SENSOR_INTERVAL_ASCENT; + else + next_sensor = log.tick + AO_SENSOR_INTERVAL_DESCENT; + } + ao_log_data_pos = ao_data_ring_next(ao_log_data_pos); + } +#if HAS_FLIGHT + /* Write state change to EEPROM */ + if (ao_flight_state != ao_log_state) { + ao_log_state = ao_flight_state; + log.type = AO_LOG_STATE; + log.tick = ao_time(); + log.u.state.state = ao_log_state; + log.u.state.reason = 0; + ao_log_mini(&log); + + if (ao_log_state == ao_flight_landed) + ao_log_stop(); + } +#endif + + ao_log_flush(); + + /* Wait for a while */ + ao_delay(AO_MS_TO_TICKS(100)); + + /* Stop logging when told to */ + while (!ao_log_running) + ao_sleep(&ao_log_running); + } +} + +uint16_t +ao_log_flight(uint8_t slot) +{ + if (!ao_storage_read(ao_log_pos(slot), + &log, + sizeof (struct ao_log_mini))) + return 0; + + if (ao_log_dump_check_data() && log.type == AO_LOG_FLIGHT) + return log.u.flight.flight; + return 0; +} diff --git a/src/kernel/ao_log_single.c b/src/kernel/ao_log_single.c new file mode 100644 index 00000000..3f6235a6 --- /dev/null +++ b/src/kernel/ao_log_single.c @@ -0,0 +1,198 @@ +/* + * Copyright © 2011 Keith Packard <keithp@keithp.com> + * + * This program is free software; you can redistribute it and/or modify + * it under the terms of the GNU General Public License as published by + * the Free Software Foundation; version 2 of the License. + * + * This program is distributed in the hope that it will be useful, but + * WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU + * General Public License for more details. + * + * You should have received a copy of the GNU General Public License along + * with this program; if not, write to the Free Software Foundation, Inc., + * 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA. + */ + +/* + * ao_log_single.c + * + * Stores a sequence of fixed-size (32 byte) chunks + * without splitting memory up into separate flights + */ + +#include "ao.h" +#include "ao_product.h" + +static __xdata struct ao_task ao_log_single_task; + +__xdata uint8_t ao_log_running; +__xdata uint8_t ao_log_mutex; +__pdata uint32_t ao_log_start_pos; +__pdata uint32_t ao_log_end_pos; +__pdata uint32_t ao_log_current_pos; + +__xdata union ao_log_single ao_log_single_write_data; +__xdata union ao_log_single ao_log_single_read_data; + +uint8_t +ao_log_single_write(void) +{ + uint8_t wrote = 0; + + ao_mutex_get(&ao_log_mutex); { + if (ao_log_current_pos >= ao_log_end_pos && ao_log_running) + ao_log_single_stop(); + if (ao_log_running) { + wrote = 1; + ao_storage_write(ao_log_current_pos, + &ao_log_single_write_data, + AO_LOG_SINGLE_SIZE); + ao_log_current_pos += AO_LOG_SINGLE_SIZE; + } + } ao_mutex_put(&ao_log_mutex); + return wrote; +} + +static uint8_t +ao_log_single_valid(void) +{ + __xdata uint8_t *d = ao_log_single_read_data.bytes; + uint8_t i; + for (i = 0; i < AO_LOG_SINGLE_SIZE; i++) + if (*d++ != 0xff) + return 1; + return 0; +} + +uint8_t +ao_log_single_read(uint32_t pos) +{ + if (!ao_storage_read(pos, &ao_log_single_read_data, AO_LOG_SINGLE_SIZE)) + return 0; + return ao_log_single_valid(); +} + +void +ao_log_single_start(void) +{ + if (!ao_log_running) { + ao_log_running = 1; + ao_wakeup(&ao_log_running); + } +} + +void +ao_log_single_stop(void) +{ + if (ao_log_running) { + ao_log_running = 0; + } +} + +void +ao_log_single_restart(void) +{ + /* Find end of data */ + ao_log_end_pos = ao_storage_config; + for (ao_log_current_pos = 0; + ao_log_current_pos < ao_storage_config; + ao_log_current_pos += ao_storage_block) + { + if (!ao_log_single_read(ao_log_current_pos)) + break; + } + if (ao_log_current_pos > 0) { + ao_log_current_pos -= ao_storage_block; + for (; ao_log_current_pos < ao_storage_config; + ao_log_current_pos += sizeof (struct ao_log_telescience)) + { + if (!ao_log_single_read(ao_log_current_pos)) + break; + } + } +} + +void +ao_log_single_set(void) +{ + printf("Logging currently %s\n", ao_log_running ? "on" : "off"); + ao_cmd_hex(); + if (ao_cmd_status == ao_cmd_success) { + if (ao_cmd_lex_i) { + printf("Logging from %ld to %ld\n", ao_log_current_pos, ao_log_end_pos); + ao_log_single_start(); + } else { + printf ("Log stopped at %ld\n", ao_log_current_pos); + ao_log_single_stop(); + } + } + ao_cmd_status = ao_cmd_success; +} + +void +ao_log_single_delete(void) +{ + uint32_t pos; + + ao_cmd_hex(); + if (ao_cmd_status != ao_cmd_success) + return; + if (ao_cmd_lex_i != 1) { + ao_cmd_status = ao_cmd_syntax_error; + printf("No such flight: %d\n", ao_cmd_lex_i); + return; + } + ao_log_single_stop(); + for (pos = 0; pos < ao_storage_config; pos += ao_storage_block) { + if (!ao_log_single_read(pos)) + break; + ao_storage_erase(pos); + } + ao_log_current_pos = ao_log_start_pos = 0; + if (pos == 0) + printf("No such flight: %d\n", ao_cmd_lex_i); + else + printf ("Erased\n"); +} + +uint8_t +ao_log_full(void) +{ + return ao_log_current_pos >= ao_log_end_pos; +} + +uint8_t +ao_log_present(void) +{ + return ao_log_single_read(0); +} + +static void +ao_log_single_query(void) +{ + printf("Logging enabled: %d\n", ao_log_running); + printf("Log start: %ld\n", ao_log_start_pos); + printf("Log cur: %ld\n", ao_log_current_pos); + printf("Log end: %ld\n", ao_log_end_pos); + ao_log_single_extra_query(); +} + +const struct ao_cmds ao_log_single_cmds[] = { + { ao_log_single_set, "L <0 off, 1 on>\0Set logging" }, + { ao_log_single_list, "l\0List stored logs" }, + { ao_log_single_delete, "d 1\0Delete all stored logs" }, + { ao_log_single_query, "q\0Query log status" }, + { 0, NULL }, +}; + +void +ao_log_single_init(void) +{ + ao_log_running = 0; + + ao_cmd_register(&ao_log_single_cmds[0]); + + ao_add_task(&ao_log_single_task, ao_log_single, "log"); +} diff --git a/src/kernel/ao_log_telem.c b/src/kernel/ao_log_telem.c new file mode 100644 index 00000000..095aca37 --- /dev/null +++ b/src/kernel/ao_log_telem.c @@ -0,0 +1,131 @@ +/* + * Copyright © 2011 Keith Packard <keithp@keithp.com> + * + * This program is free software; you can redistribute it and/or modify + * it under the terms of the GNU General Public License as published by + * the Free Software Foundation; version 2 of the License. + * + * This program is distributed in the hope that it will be useful, but + * WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU + * General Public License for more details. + * + * You should have received a copy of the GNU General Public License along + * with this program; if not, write to the Free Software Foundation, Inc., + * 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA. + */ + +#include <ao.h> +#include <ao_flight.h> +#include <ao_sample.h> + +__code uint8_t ao_log_format = AO_LOG_FORMAT_TELEMETRY; + +static __data uint8_t ao_log_monitor_pos; +__pdata enum ao_flight_state ao_flight_state; +__xdata int16_t ao_max_height; /* max of ao_height */ +__pdata int16_t sense_d, sense_m; +__pdata uint8_t ao_igniter_present; + +static void +ao_log_telem_track() { + if (ao_monitoring == sizeof (union ao_telemetry_all)) { + switch (ao_log_single_write_data.telemetry.generic.type) { + case AO_TELEMETRY_SENSOR_TELEMETRUM: + case AO_TELEMETRY_SENSOR_TELEMINI: + /* fall through ... */ + case AO_TELEMETRY_SENSOR_TELENANO: + if (ao_log_single_write_data.telemetry.generic.type == AO_TELEMETRY_SENSOR_TELENANO) { + ao_igniter_present = 0; + } else { + sense_d = ao_log_single_write_data.telemetry.sensor.sense_d; + sense_m = ao_log_single_write_data.telemetry.sensor.sense_m; + ao_igniter_present = 1; + } + if (ao_log_single_write_data.telemetry.sensor.height > ao_max_height) { + ao_max_height = ao_log_single_write_data.telemetry.sensor.height; + } + if (ao_log_single_write_data.telemetry.sensor.state != ao_flight_state) { + ao_flight_state = ao_log_single_write_data.telemetry.sensor.state; + if (ao_flight_state == ao_flight_pad) + ao_max_height = 0; + ao_wakeup(DATA_TO_XDATA(&ao_flight_state)); + } + } + } +} + +enum ao_igniter_status +ao_igniter_status(enum ao_igniter igniter) +{ + int16_t value; + + switch (igniter) { + case ao_igniter_drogue: + value = sense_d; + break; + case ao_igniter_main: + value = sense_m; + break; + default: + value = 0; + break; + } + if (value < AO_IGNITER_OPEN) + return ao_igniter_open; + else if (value > AO_IGNITER_CLOSED) + return ao_igniter_ready; + else + return ao_igniter_unknown; +} + +void +ao_log_single(void) +{ + ao_storage_setup(); + + /* This can take a while, so let the rest + * of the system finish booting before we start + */ + ao_delay(AO_SEC_TO_TICKS(2)); + + ao_log_running = 1; + ao_log_single_restart(); + ao_flight_state = ao_flight_startup; + ao_monitor_set(sizeof(struct ao_telemetry_generic)); + + for (;;) { + while (!ao_log_running) + ao_sleep(&ao_log_running); + + ao_log_monitor_pos = ao_monitor_head; + while (ao_log_running) { + /* Write samples to EEPROM */ + while (ao_log_monitor_pos != ao_monitor_head) { + ao_xmemcpy(&ao_log_single_write_data.telemetry, + &ao_monitor_ring[ao_log_monitor_pos], + AO_LOG_SINGLE_SIZE); + ao_log_single_write(); + ao_log_monitor_pos = ao_monitor_ring_next(ao_log_monitor_pos); + ao_log_telem_track(); + } + /* Wait for more telemetry data to arrive */ + ao_sleep(DATA_TO_XDATA(&ao_monitor_head)); + } + } +} + +void +ao_log_single_list(void) +{ + if (ao_log_current_pos != 0) + printf("flight 1 start %x end %x\n", + 0, + (uint16_t) ((ao_log_current_pos + 0xff) >> 8)); + printf ("done\n"); +} + +void +ao_log_single_extra_query(void) +{ +} diff --git a/src/kernel/ao_log_telescience.c b/src/kernel/ao_log_telescience.c new file mode 100644 index 00000000..002a10bd --- /dev/null +++ b/src/kernel/ao_log_telescience.c @@ -0,0 +1,119 @@ +/* + * Copyright © 2011 Keith Packard <keithp@keithp.com> + * + * This program is free software; you can redistribute it and/or modify + * it under the terms of the GNU General Public License as published by + * the Free Software Foundation; version 2 of the License. + * + * This program is distributed in the hope that it will be useful, but + * WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU + * General Public License for more details. + * + * You should have received a copy of the GNU General Public License along + * with this program; if not, write to the Free Software Foundation, Inc., + * 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA. + */ + +#include "ao.h" +#include "ao_product.h" +#include "ao_log.h" +#include "ao_companion.h" + +static uint8_t ao_log_data_pos; + +__code uint8_t ao_log_format = AO_LOG_FORMAT_TELESCIENCE; + +static void +ao_log_telescience_csum(void) __reentrant +{ + __xdata uint8_t *b = ao_log_single_write_data.bytes; + uint8_t sum = 0x5a; + uint8_t i; + + ao_log_single_write_data.telescience.csum = 0; + for (i = 0; i < sizeof (struct ao_log_telescience); i++) + sum += *b++; + ao_log_single_write_data.telescience.csum = -sum; +} + +void +ao_log_single(void) +{ + ao_storage_setup(); + + /* This can take a while, so let the rest + * of the system finish booting before we start + */ + ao_delay(AO_SEC_TO_TICKS(10)); + + ao_log_single_restart(); + for (;;) { + while (!ao_log_running) + ao_sleep(&ao_log_running); + + ao_log_start_pos = ao_log_current_pos; + ao_log_single_write_data.telescience.type = AO_LOG_TELESCIENCE_START; + ao_log_single_write_data.telescience.tick = ao_time(); + ao_log_single_write_data.telescience.adc[0] = ao_companion_command.serial; + ao_log_single_write_data.telescience.adc[1] = ao_companion_command.flight; + ao_log_telescience_csum(); + ao_log_single_write(); + /* Write the whole contents of the ring to the log + * when starting up. + */ + ao_log_data_pos = ao_data_ring_next(ao_data_head); + ao_log_single_write_data.telescience.type = AO_LOG_TELESCIENCE_DATA; + while (ao_log_running) { + /* Write samples to EEPROM */ + while (ao_log_data_pos != ao_data_head) { + ao_log_single_write_data.telescience.tick = ao_data_ring[ao_log_data_pos].tick; + memcpy(&ao_log_single_write_data.telescience.adc, (void *) ao_data_ring[ao_log_data_pos].adc.adc, + AO_LOG_TELESCIENCE_NUM_ADC * sizeof (uint16_t)); + ao_log_telescience_csum(); + ao_log_single_write(); + ao_log_data_pos = ao_data_ring_next(ao_log_data_pos); + } + /* Wait for more ADC data to arrive */ + ao_sleep((void *) &ao_data_head); + } + memset(&ao_log_single_write_data.telescience.adc, '\0', sizeof (ao_log_single_write_data.telescience.adc)); + } +} + +void +ao_log_single_list(void) +{ + uint32_t pos; + uint32_t start = 0; + uint8_t flight = 0; + + for (pos = 0; ; pos += sizeof (struct ao_log_telescience)) { + if (pos >= ao_storage_config || + !ao_log_single_read(pos) || + ao_log_single_read_data.telescience.type == AO_LOG_TELESCIENCE_START) + { + if (pos != start) { + printf("flight %d start %x end %x\n", + flight, + (uint16_t) (start >> 8), + (uint16_t) ((pos + 0xff) >> 8)); flush(); + } + if (ao_log_single_read_data.telescience.type != AO_LOG_TELESCIENCE_START) + break; + start = pos; + flight++; + } + } + printf ("done\n"); +} + +void +ao_log_single_extra_query(void) +{ + printf("log data tick: %04x\n", ao_log_single_write_data.telescience.tick); + printf("TM data tick: %04x\n", ao_log_single_write_data.telescience.tm_tick); + printf("TM state: %d\n", ao_log_single_write_data.telescience.tm_state); + printf("TM serial: %d\n", ao_companion_command.serial); + printf("TM flight: %d\n", ao_companion_command.flight); +} diff --git a/src/kernel/ao_log_tiny.c b/src/kernel/ao_log_tiny.c new file mode 100644 index 00000000..67767dc9 --- /dev/null +++ b/src/kernel/ao_log_tiny.c @@ -0,0 +1,161 @@ +/* + * Copyright © 2011 Keith Packard <keithp@keithp.com> + * + * This program is free software; you can redistribute it and/or modify + * it under the terms of the GNU General Public License as published by + * the Free Software Foundation; version 2 of the License. + * + * This program is distributed in the hope that it will be useful, but + * WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU + * General Public License for more details. + * + * You should have received a copy of the GNU General Public License along + * with this program; if not, write to the Free Software Foundation, Inc., + * 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA. + */ + +#include "ao.h" + +static __data uint16_t ao_log_tiny_interval; + +#define AO_LOG_TINY_INTERVAL_DEFAULT AO_MS_TO_TICKS(1000) +#if USE_FAST_ASCENT_LOG +#define AO_LOG_TINY_INTERVAL_ASCENT AO_MS_TO_TICKS(100) +#define AO_PAD_RING 8 +#else +#define AO_LOG_TINY_INTERVAL_ASCENT AO_LOG_TINY_INTERVAL_DEFAULT +#define AO_PAD_RING 2 +#endif + +__code uint8_t ao_log_format = AO_LOG_FORMAT_TINY; + +void +ao_log_tiny_set_interval(uint16_t ticks) +{ + ao_log_tiny_interval = ticks; +} + + +static void ao_log_tiny_data(uint16_t d) +{ + if (ao_log_current_pos >= ao_log_end_pos && ao_log_running) + ao_log_stop(); + if (ao_log_running) { + ao_storage_write(ao_log_current_pos, DATA_TO_XDATA(&d), 2); + ao_log_current_pos += 2; + } +} + +static __xdata uint16_t ao_log_pad_ring[AO_PAD_RING]; +static __pdata uint8_t ao_log_pad_ring_pos; + +#define ao_pad_ring_next(n) (((n) + 1) & (AO_PAD_RING - 1)) + +static void ao_log_tiny_queue(uint16_t d) +{ + ao_log_pad_ring[ao_log_pad_ring_pos] = d; + ao_log_pad_ring_pos = ao_pad_ring_next(ao_log_pad_ring_pos); +} + +static void ao_log_tiny_start(void) +{ + uint8_t p; + uint16_t d; + + ao_log_tiny_data(ao_flight_number); + ao_log_tiny_data(ao_ground_pres); + p = ao_log_pad_ring_pos; + do { + d = ao_log_pad_ring[p]; + /* + * ignore unwritten slots + */ + if (d) + ao_log_tiny_data(d); + p = ao_pad_ring_next(p); + } while (p != ao_log_pad_ring_pos); +} + +void +ao_log(void) +{ + uint16_t last_time; + uint16_t now; + enum ao_flight_state ao_log_tiny_state; + int32_t sum; + int16_t count; + uint8_t ao_log_data; + uint8_t ao_log_started = 0; + + ao_storage_setup(); + + ao_log_scan(); + + ao_log_tiny_state = ao_flight_invalid; + ao_log_tiny_interval = AO_LOG_TINY_INTERVAL_ASCENT; + sum = 0; + count = 0; + ao_log_data = ao_sample_data; + last_time = ao_time(); + for (;;) { + + /* + * Add in pending sample data + */ + ao_sleep(DATA_TO_XDATA(&ao_sample_data)); + while (ao_log_data != ao_sample_data) { + sum += ao_data_pres(&ao_data_ring[ao_log_data]); + count++; + ao_log_data = ao_data_ring_next(ao_log_data); + } + if (ao_log_running) { + if (!ao_log_started) { + ao_log_tiny_start(); + ao_log_started = 1; + } + if (ao_flight_state != ao_log_tiny_state) { + ao_log_tiny_data(ao_flight_state | 0x8000); + ao_log_tiny_state = ao_flight_state; + ao_log_tiny_interval = AO_LOG_TINY_INTERVAL_DEFAULT; +#if AO_LOG_TINY_INTERVAL_ASCENT != AO_LOG_TINY_INTERVAL_DEFAULT + if (ao_log_tiny_state <= ao_flight_coast) + ao_log_tiny_interval = AO_LOG_TINY_INTERVAL_ASCENT; +#endif + if (ao_log_tiny_state == ao_flight_landed) + ao_log_stop(); + } + } + + /* Stop logging when told to */ + if (!ao_log_running && ao_log_started) + ao_exit(); + + /* + * Write out the sample when finished + */ + now = ao_time(); + if ((int16_t) (now - (last_time + ao_log_tiny_interval)) >= 0 && count) { + count = sum / count; + if (ao_log_started) + ao_log_tiny_data(count); + else + ao_log_tiny_queue(count); + sum = 0; + count = 0; + last_time = now; + } + } +} + +uint16_t +ao_log_flight(uint8_t slot) +{ + static __xdata uint16_t flight; + + (void) slot; + ao_storage_read(0, &flight, 2); + if (flight == 0xffff) + flight = 0; + return flight; +} diff --git a/src/kernel/ao_microflight.c b/src/kernel/ao_microflight.c new file mode 100644 index 00000000..f680e400 --- /dev/null +++ b/src/kernel/ao_microflight.c @@ -0,0 +1,143 @@ +/* + * Copyright © 2013 Keith Packard <keithp@keithp.com> + * + * This program is free software; you can redistribute it and/or modify + * it under the terms of the GNU General Public License as published by + * the Free Software Foundation; version 2 of the License. + * + * This program is distributed in the hope that it will be useful, but + * WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU + * General Public License for more details. + * + * You should have received a copy of the GNU General Public License along + * with this program; if not, write to the Free Software Foundation, Inc., + * 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA. + */ + +#ifndef AO_FLIGHT_TEST +#include <ao.h> +#endif +#include <ao_micropeak.h> +#include <ao_log_micro.h> + +uint32_t pa; +uint32_t pa_ground; +uint32_t pa_min; + +static void +ao_microsample(void) +{ + ao_pa_get(); + ao_microkalman_predict(); + ao_microkalman_correct(); +} + +#define NUM_PA_HIST (GROUND_AVG) + +#define SKIP_PA_HIST(i,j) (((i) + (j)) & (NUM_PA_HIST - 1)) + +static uint32_t pa_hist[NUM_PA_HIST]; + +void +ao_microflight(void) +{ + int16_t sample_count; + uint16_t time; + uint32_t pa_interval_min, pa_interval_max; + int32_t pa_diff; + uint8_t h, i; + uint8_t accel_lock = 0; + uint32_t pa_sum = 0; + + /* Wait for motion, averaging values to get ground pressure */ + + time = ao_time(); + ao_pa_get(); + ao_microkalman_init(); + pa_ground = pa; + sample_count = 0; + h = 0; + for (;;) { + time += SAMPLE_SLEEP; + if ((sample_count & 0x1f) == 0) + ao_led_on(AO_LED_REPORT); + ao_delay_until(time); + ao_microsample(); + if ((sample_count & 0x1f) == 0) + ao_led_off(AO_LED_REPORT); + pa_hist[h] = pa; + h = SKIP_PA_HIST(h,1); + pa_diff = pa_ground - ao_pa; + + /* Check for a significant pressure change */ + if (pa_diff > BOOST_DETECT) + break; + + if (sample_count < GROUND_AVG * 2) { + if (sample_count < GROUND_AVG) + pa_sum += pa; + ++sample_count; + } else { + pa_ground = pa_sum >> GROUND_AVG_SHIFT; + pa_sum = 0; + sample_count = 0; + } + } + + /* Go back and find the last sample close to the ground */ + pa_min = pa_ground - LAND_DETECT; + for (i = SKIP_PA_HIST(h,-2); i != SKIP_PA_HIST(h,2); i = SKIP_PA_HIST(i,-2)) { + if (pa_hist[i] >= pa_min) + break; + } + + /* Log the remaining samples so we get a complete history since leaving the ground */ + for (; i != h; i = SKIP_PA_HIST(i,2)) { + pa = pa_hist[i]; + ao_log_micro_data(); + } + + /* Now sit around until the pressure is stable again and record the max */ + + sample_count = 0; + pa_min = ao_pa; + pa_interval_min = ao_pa; + pa_interval_max = ao_pa; + for (;;) { + time += SAMPLE_SLEEP; + ao_delay_until(time); + if ((sample_count & 3) == 0) + ao_led_on(AO_LED_REPORT); + ao_microsample(); + if ((sample_count & 3) == 0) + ao_led_off(AO_LED_REPORT); + if (sample_count & 1) + ao_log_micro_data(); + + /* If accelerating upwards, don't look for min pressure */ + if (ao_pa_accel < ACCEL_LOCK_PA) + accel_lock = ACCEL_LOCK_TIME; + else if (accel_lock) + --accel_lock; + else if (ao_pa < pa_min) + pa_min = ao_pa; + + if (sample_count == (GROUND_AVG - 1)) { + pa_diff = pa_interval_max - pa_interval_min; + + /* Check to see if the pressure is now stable */ + if (pa_diff < LAND_DETECT) + break; + sample_count = 0; + pa_interval_min = ao_pa; + pa_interval_max = ao_pa; + } else { + if (ao_pa < pa_interval_min) + pa_interval_min = ao_pa; + if (ao_pa > pa_interval_max) + pa_interval_max = ao_pa; + ++sample_count; + } + } +} diff --git a/src/kernel/ao_microkalman.c b/src/kernel/ao_microkalman.c new file mode 100644 index 00000000..0684ea2b --- /dev/null +++ b/src/kernel/ao_microkalman.c @@ -0,0 +1,74 @@ +/* + * Copyright © 2013 Keith Packard <keithp@keithp.com> + * + * This program is free software; you can redistribute it and/or modify + * it under the terms of the GNU General Public License as published by + * the Free Software Foundation; version 2 of the License. + * + * This program is distributed in the hope that it will be useful, but + * WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU + * General Public License for more details. + * + * You should have received a copy of the GNU General Public License along + * with this program; if not, write to the Free Software Foundation, Inc., + * 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA. + */ + +#ifndef AO_FLIGHT_TEST +#include <ao.h> +#endif +#include <ao_micropeak.h> + +#define FIX_BITS 16 + +#define to_fix16(x) ((int16_t) ((x) * 65536.0 + 0.5)) +#define to_fix32(x) ((int32_t) ((x) * 65536.0 + 0.5)) +#define from_fix8(x) ((x) >> 8) +#define from_fix(x) ((x) >> 16) +#define fix8_to_fix16(x) ((x) << 8) +#define fix16_to_fix8(x) ((x) >> 8) + +#include <ao_kalman.h> + +/* Basic time step (96ms) */ +#define AO_MK_STEP to_fix16(0.096) +/* step ** 2 / 2 */ +#define AO_MK_STEP_2_2 to_fix16(0.004608) + +uint32_t ao_k_pa; /* 24.8 fixed point */ +int32_t ao_k_pa_speed; /* 16.16 fixed point */ +int32_t ao_k_pa_accel; /* 16.16 fixed point */ + +uint32_t ao_pa; /* integer portion */ +int16_t ao_pa_speed; /* integer portion */ +int16_t ao_pa_accel; /* integer portion */ + +void +ao_microkalman_init(void) +{ + ao_pa = pa; + ao_k_pa = pa << 8; +} + +void +ao_microkalman_predict(void) +{ + ao_k_pa += fix16_to_fix8((int32_t) ao_pa_speed * AO_MK_STEP + (int32_t) ao_pa_accel * AO_MK_STEP_2_2); + ao_k_pa_speed += (int32_t) ao_pa_accel * AO_MK_STEP; +} + +void +ao_microkalman_correct(void) +{ + int16_t e; /* Height error in Pa */ + + e = pa - from_fix8(ao_k_pa); + + ao_k_pa += fix16_to_fix8((int32_t) e * AO_MK_BARO_K0_10); + ao_k_pa_speed += (int32_t) e * AO_MK_BARO_K1_10; + ao_k_pa_accel += (int32_t) e * AO_MK_BARO_K2_10; + ao_pa = from_fix8(ao_k_pa); + ao_pa_speed = from_fix(ao_k_pa_speed); + ao_pa_accel = from_fix(ao_k_pa_accel); +} diff --git a/src/kernel/ao_monitor.c b/src/kernel/ao_monitor.c new file mode 100644 index 00000000..18f170b4 --- /dev/null +++ b/src/kernel/ao_monitor.c @@ -0,0 +1,308 @@ +/* + * Copyright © 2009 Keith Packard <keithp@keithp.com> + * + * This program is free software; you can redistribute it and/or modify + * it under the terms of the GNU General Public License as published by + * the Free Software Foundation; version 2 of the License. + * + * This program is distributed in the hope that it will be useful, but + * WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU + * General Public License for more details. + * + * You should have received a copy of the GNU General Public License along + * with this program; if not, write to the Free Software Foundation, Inc., + * 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA. + */ + +#include "ao.h" +#include "ao_telem.h" +#include "ao_flight.h" + +#if !HAS_MONITOR +#error Must define HAS_MONITOR to 1 +#endif + +#ifndef LEGACY_MONITOR +#error Must define LEGACY_MONITOR +#endif + +#ifndef HAS_MONITOR_PUT +#define HAS_MONITOR_PUT 1 +#endif + +#ifndef AO_MONITOR_LED +#error Must define AO_MONITOR_LED +#endif + +__data uint8_t ao_monitoring; +static __data uint8_t ao_monitor_disabled; +static __data uint8_t ao_internal_monitoring; +static __data uint8_t ao_external_monitoring; + +__xdata union ao_monitor ao_monitor_ring[AO_MONITOR_RING]; + +__data uint8_t ao_monitor_head; + +static void +_ao_monitor_adjust(void) +{ + if (ao_monitoring) + ao_radio_recv_abort(); + if (ao_monitor_disabled) + ao_monitoring = 0; + else { + if (ao_external_monitoring) + ao_monitoring = ao_external_monitoring; + else + ao_monitoring = ao_internal_monitoring; + } + ao_wakeup(DATA_TO_XDATA(&ao_monitoring)); +} + +void +ao_monitor_get(void) +{ + uint8_t size; + + for (;;) { + switch (ao_monitoring) { + case 0: + ao_sleep(DATA_TO_XDATA(&ao_monitoring)); + continue; +#if LEGACY_MONITOR + case AO_MONITORING_ORIG: + size = sizeof (struct ao_telemetry_orig_recv); + break; +#endif + default: + if (ao_monitoring > AO_MAX_TELEMETRY) + ao_monitoring = AO_MAX_TELEMETRY; + size = ao_monitoring; + break; + } + if (!ao_radio_recv(&ao_monitor_ring[ao_monitor_head], size + 2, 0)) + continue; + ao_monitor_head = ao_monitor_ring_next(ao_monitor_head); + ao_wakeup(DATA_TO_XDATA(&ao_monitor_head)); + } +} + +#if AO_MONITOR_LED +__xdata struct ao_task ao_monitor_blink_task; + +void +ao_monitor_blink(void) +{ + for (;;) { + ao_sleep(DATA_TO_XDATA(&ao_monitor_head)); + ao_led_for(AO_MONITOR_LED, AO_MS_TO_TICKS(100)); + } +} +#endif + +#if HAS_MONITOR_PUT + +static const char xdigit[16] = { + '0', '1', '2', '3', '4', '5', '6', '7', + '8', '9', 'a', 'b', 'c', 'd', 'e', 'f' +}; + +#define hex(c) do { putchar(xdigit[(c) >> 4]); putchar(xdigit[(c)&0xf]); } while (0) + +void +ao_monitor_put(void) +{ +#if LEGACY_MONITOR + __xdata char callsign[AO_MAX_CALLSIGN+1]; + int16_t rssi; +#endif + uint8_t ao_monitor_tail; + uint8_t state; + uint8_t sum, byte; + __xdata union ao_monitor *m; + +#define recv_raw ((m->raw)) +#define recv_orig ((m->orig)) +#define recv_tiny ((m->tiny)) + + ao_monitor_tail = ao_monitor_head; + for (;;) { + while (!ao_external_monitoring) + ao_sleep(DATA_TO_XDATA(&ao_external_monitoring)); + while (ao_monitor_tail == ao_monitor_head && ao_external_monitoring) + ao_sleep(DATA_TO_XDATA(&ao_monitor_head)); + if (!ao_external_monitoring) + continue; + m = &ao_monitor_ring[ao_monitor_tail]; + ao_monitor_tail = ao_monitor_ring_next(ao_monitor_tail); + switch (ao_monitoring) { + case 0: + break; +#if LEGACY_MONITOR + case AO_MONITORING_ORIG: + state = recv_orig.telemetry_orig.flight_state; + + rssi = (int16_t) AO_RSSI_FROM_RADIO(recv_orig.rssi); + ao_xmemcpy(callsign, recv_orig.telemetry_orig.callsign, AO_MAX_CALLSIGN); + if (state > ao_flight_invalid) + state = ao_flight_invalid; + if (recv_orig.status & PKT_APPEND_STATUS_1_CRC_OK) { + + /* General header fields */ + printf(AO_TELEM_VERSION " %d " + AO_TELEM_CALL " %s " + AO_TELEM_SERIAL " %d " + AO_TELEM_FLIGHT " %d " + AO_TELEM_RSSI " %d " + AO_TELEM_STATE " %s " + AO_TELEM_TICK " %d ", + AO_TELEMETRY_VERSION, + callsign, + recv_orig.telemetry_orig.serial, + recv_orig.telemetry_orig.flight, + rssi, + ao_state_names[state], + recv_orig.telemetry_orig.adc.tick); + + /* Raw sensor values */ + printf(AO_TELEM_RAW_ACCEL " %d " + AO_TELEM_RAW_BARO " %d " + AO_TELEM_RAW_THERMO " %d " + AO_TELEM_RAW_BATT " %d " + AO_TELEM_RAW_DROGUE " %d " + AO_TELEM_RAW_MAIN " %d ", + recv_orig.telemetry_orig.adc.accel, + recv_orig.telemetry_orig.adc.pres, + recv_orig.telemetry_orig.adc.temp, + recv_orig.telemetry_orig.adc.v_batt, + recv_orig.telemetry_orig.adc.sense_d, + recv_orig.telemetry_orig.adc.sense_m); + + /* Sensor calibration values */ + printf(AO_TELEM_CAL_ACCEL_GROUND " %d " + AO_TELEM_CAL_BARO_GROUND " %d " + AO_TELEM_CAL_ACCEL_PLUS " %d " + AO_TELEM_CAL_ACCEL_MINUS " %d ", + recv_orig.telemetry_orig.ground_accel, + recv_orig.telemetry_orig.ground_pres, + recv_orig.telemetry_orig.accel_plus_g, + recv_orig.telemetry_orig.accel_minus_g); + + if (recv_orig.telemetry_orig.u.k.unused == 0x8000) { + /* Kalman state values */ + printf(AO_TELEM_KALMAN_HEIGHT " %d " + AO_TELEM_KALMAN_SPEED " %d " + AO_TELEM_KALMAN_ACCEL " %d ", + recv_orig.telemetry_orig.height, + recv_orig.telemetry_orig.u.k.speed, + recv_orig.telemetry_orig.accel); + } else { + /* Ad-hoc flight values */ + printf(AO_TELEM_ADHOC_ACCEL " %d " + AO_TELEM_ADHOC_SPEED " %ld " + AO_TELEM_ADHOC_BARO " %d ", + recv_orig.telemetry_orig.accel, + recv_orig.telemetry_orig.u.flight_vel, + recv_orig.telemetry_orig.height); + } + ao_gps_print(&recv_orig.telemetry_orig.gps); + ao_gps_tracking_print(&recv_orig.telemetry_orig.gps_tracking); + putchar('\n'); +#if HAS_RSSI + ao_rssi_set(rssi); +#endif + } else { + printf("CRC INVALID RSSI %3d\n", rssi); + } + break; +#endif /* LEGACY_MONITOR */ + default: +#if AO_PROFILE + { + extern uint32_t ao_rx_start_tick, ao_rx_packet_tick, ao_rx_done_tick, ao_rx_last_done_tick; + extern uint32_t ao_fec_decode_start, ao_fec_decode_end; + + printf ("between packet: %d\n", ao_rx_start_tick - ao_rx_last_done_tick); + printf ("receive start delay: %d\n", ao_rx_packet_tick - ao_rx_start_tick); + printf ("decode time: %d\n", ao_fec_decode_end - ao_fec_decode_start); + printf ("rx cleanup: %d\n", ao_rx_done_tick - ao_fec_decode_end); + } +#endif + printf("TELEM "); + hex((uint8_t) (ao_monitoring + 2)); + sum = 0x5a; + for (state = 0; state < ao_monitoring + 2; state++) { + byte = recv_raw.packet[state]; + sum += byte; + hex(byte); + } + hex(sum); + putchar ('\n'); +#if HAS_RSSI + if (recv_raw.packet[ao_monitoring + 1] & PKT_APPEND_STATUS_1_CRC_OK) { + rssi = AO_RSSI_FROM_RADIO(recv_raw.packet[ao_monitoring]); + ao_rssi_set(rssi); + } +#endif + break; + } + ao_usb_flush(); + } +} + +__xdata struct ao_task ao_monitor_put_task; +#endif + +__xdata struct ao_task ao_monitor_get_task; + +void +ao_monitor_set(uint8_t monitoring) +{ + ao_internal_monitoring = monitoring; + _ao_monitor_adjust(); +} + +void +ao_monitor_disable(void) +{ + ++ao_monitor_disabled; + _ao_monitor_adjust(); +} + +void +ao_monitor_enable(void) +{ + --ao_monitor_disabled; + _ao_monitor_adjust(); +} + +#if HAS_MONITOR_PUT +static void +set_monitor(void) +{ + ao_cmd_hex(); + ao_external_monitoring = ao_cmd_lex_i; + ao_wakeup(DATA_TO_XDATA(&ao_external_monitoring)); + ao_wakeup(DATA_TO_XDATA(&ao_monitor_head)); + _ao_monitor_adjust(); +} + +__code struct ao_cmds ao_monitor_cmds[] = { + { set_monitor, "m <0 off, 1 old, 20 std>\0Set radio monitoring" }, + { 0, NULL }, +}; +#endif + +void +ao_monitor_init(void) __reentrant +{ +#if HAS_MONITOR_PUT + ao_cmd_register(&ao_monitor_cmds[0]); + ao_add_task(&ao_monitor_put_task, ao_monitor_put, "monitor_put"); +#endif + ao_add_task(&ao_monitor_get_task, ao_monitor_get, "monitor_get"); +#if AO_MONITOR_LED + ao_add_task(&ao_monitor_blink_task, ao_monitor_blink, "monitor_blink"); +#endif +} diff --git a/src/kernel/ao_mutex.c b/src/kernel/ao_mutex.c new file mode 100644 index 00000000..952ff462 --- /dev/null +++ b/src/kernel/ao_mutex.c @@ -0,0 +1,41 @@ +/* + * Copyright © 2009 Keith Packard <keithp@keithp.com> + * + * This program is free software; you can redistribute it and/or modify + * it under the terms of the GNU General Public License as published by + * the Free Software Foundation; version 2 of the License. + * + * This program is distributed in the hope that it will be useful, but + * WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU + * General Public License for more details. + * + * You should have received a copy of the GNU General Public License along + * with this program; if not, write to the Free Software Foundation, Inc., + * 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA. + */ + +#include "ao.h" + +void +ao_mutex_get(__xdata uint8_t *mutex) __reentrant +{ + if (*mutex == ao_cur_task->task_id) + ao_panic(AO_PANIC_MUTEX); + ao_arch_critical( + while (*mutex) + ao_sleep(mutex); + *mutex = ao_cur_task->task_id; + ); +} + +void +ao_mutex_put(__xdata uint8_t *mutex) __reentrant +{ + if (*mutex != ao_cur_task->task_id) + ao_panic(AO_PANIC_MUTEX); + ao_arch_critical( + *mutex = 0; + ao_wakeup(mutex); + ); +} diff --git a/src/kernel/ao_notask.c b/src/kernel/ao_notask.c new file mode 100644 index 00000000..6f967e6d --- /dev/null +++ b/src/kernel/ao_notask.c @@ -0,0 +1,46 @@ +/* + * Copyright © 2012 Keith Packard <keithp@keithp.com> + * + * This program is free software; you can redistribute it and/or modify + * it under the terms of the GNU General Public License as published by + * the Free Software Foundation; version 2 of the License. + * + * This program is distributed in the hope that it will be useful, but + * WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU + * General Public License for more details. + * + * You should have received a copy of the GNU General Public License along + * with this program; if not, write to the Free Software Foundation, Inc., + * 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA. + */ + +#include <ao.h> + +static volatile void *ao_wchan; + +uint8_t +ao_sleep(__xdata void *wchan) +{ +#if 1 + ao_wchan = wchan; + ao_arch_wait_interrupt(); +#else + uint8_t sreg; + + ao_wchan = wchan; + asm("in %0,__SREG__" : "=&r" (sreg)); + sei(); + while (ao_wchan) + ao_arch_cpu_idle(); + asm("out __SREG__,%0" : : "r" (sreg)); +#endif + return 0; +} + +void +ao_wakeup(__xdata void *wchan) +{ + (void) wchan; + ao_wchan = 0; +} diff --git a/src/kernel/ao_notask.h b/src/kernel/ao_notask.h new file mode 100644 index 00000000..6b6b5bb8 --- /dev/null +++ b/src/kernel/ao_notask.h @@ -0,0 +1,27 @@ +/* + * Copyright © 2012 Keith Packard <keithp@keithp.com> + * + * This program is free software; you can redistribute it and/or modify + * it under the terms of the GNU General Public License as published by + * the Free Software Foundation; version 2 of the License. + * + * This program is distributed in the hope that it will be useful, but + * WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU + * General Public License for more details. + * + * You should have received a copy of the GNU General Public License along + * with this program; if not, write to the Free Software Foundation, Inc., + * 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA. + */ + +#ifndef _AO_NOTASK_H_ +#define _AO_NOTASK_H_ + +uint8_t +ao_sleep(__xdata void *wchan); + +void +ao_wakeup(__xdata void *wchan); + +#endif /* _AO_NOTASK_H_ */ diff --git a/src/kernel/ao_packet.h b/src/kernel/ao_packet.h new file mode 100644 index 00000000..b8426cf9 --- /dev/null +++ b/src/kernel/ao_packet.h @@ -0,0 +1,91 @@ +/* + * Copyright © 2012 Keith Packard <keithp@keithp.com> + * + * This program is free software; you can redistribute it and/or modify + * it under the terms of the GNU General Public License as published by + * the Free Software Foundation; version 2 of the License. + * + * This program is distributed in the hope that it will be useful, but + * WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU + * General Public License for more details. + * + * You should have received a copy of the GNU General Public License along + * with this program; if not, write to the Free Software Foundation, Inc., + * 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA. + */ + +#ifndef _AO_PACKET_H_ +#define _AO_PACKET_H_ + +/* + * ao_packet.c + * + * Packet-based command interface + */ + +#define AO_PACKET_MAX 64 +#define AO_PACKET_SYN (uint8_t) 0xff + +struct ao_packet { + uint8_t addr; + uint8_t len; + uint8_t seq; + uint8_t ack; + uint8_t d[AO_PACKET_MAX]; + uint8_t callsign[AO_MAX_CALLSIGN]; +}; + +struct ao_packet_recv { + struct ao_packet packet; + int8_t rssi; + uint8_t status; +}; + +extern __xdata struct ao_packet_recv ao_rx_packet; +extern __xdata struct ao_packet ao_tx_packet; +extern __xdata struct ao_task ao_packet_task; +extern __xdata uint8_t ao_packet_enable; +extern __xdata uint8_t ao_packet_master_sleeping; +extern __pdata uint8_t ao_packet_rx_len, ao_packet_rx_used, ao_packet_tx_used; +extern __xdata uint8_t ao_packet_restart; + +void +ao_packet_send(void); + +uint8_t +ao_packet_recv(void); + +void +ao_packet_flush(void); + +void +ao_packet_putchar(char c) __reentrant; + +int +_ao_packet_pollchar(void); + +#if PACKET_HAS_MASTER +/* ao_packet_master.c */ + +extern __xdata int8_t ao_packet_last_rssi; + +void +ao_packet_master_init(void); +#endif + +#if PACKET_HAS_SLAVE +/* ao_packet_slave.c */ + +void +ao_packet_slave_start(void); + +void +ao_packet_slave_stop(void); + +void +ao_packet_slave_init(uint8_t enable); + +#endif + +#endif /* _AO_PACKET_H_ */ diff --git a/src/kernel/ao_panic.c b/src/kernel/ao_panic.c new file mode 100644 index 00000000..c29cd8fe --- /dev/null +++ b/src/kernel/ao_panic.c @@ -0,0 +1,90 @@ +/* + * Copyright © 2009 Keith Packard <keithp@keithp.com> + * + * This program is free software; you can redistribute it and/or modify + * it under the terms of the GNU General Public License as published by + * the Free Software Foundation; version 2 of the License. + * + * This program is distributed in the hope that it will be useful, but + * WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU + * General Public License for more details. + * + * You should have received a copy of the GNU General Public License along + * with this program; if not, write to the Free Software Foundation, Inc., + * 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA. + */ + +#include "ao.h" + +#ifndef HAS_BEEP +#error Please define HAS_BEEP +#endif + +#if !HAS_BEEP +#define ao_beep(x) +#endif +#if !LEDS_AVAILABLE +#define ao_led_on(x) +#define ao_led_off(x) +#endif + +#ifndef AO_LED_PANIC +#define AO_LED_PANIC AO_LED_RED +#endif + +static void +ao_panic_delay(uint8_t n) +{ + uint8_t i = 0, j = 0; + + while (n--) + while (--j) + while (--i) + ao_arch_nop(); +} + +void +ao_panic(uint8_t reason) +{ + uint8_t n; + +#if LOW_LEVEL_DEBUG + ao_cur_task = NULL; + printf ("panic %d\n", reason); +#endif + ao_arch_block_interrupts(); + for (;;) { + ao_panic_delay(20); + for (n = 0; n < 5; n++) { + ao_led_on(AO_LED_PANIC); + ao_beep(AO_BEEP_HIGH); + ao_panic_delay(1); + ao_led_off(AO_LED_PANIC); + ao_beep(AO_BEEP_LOW); + ao_panic_delay(1); + } + ao_beep(AO_BEEP_OFF); + ao_panic_delay(2); + +#ifdef SDCC +#pragma disable_warning 126 +#endif + if (reason & 0x40) { + ao_led_on(AO_LED_PANIC); + ao_beep(AO_BEEP_HIGH); + ao_panic_delay(40); + ao_led_off(AO_LED_PANIC); + ao_beep(AO_BEEP_OFF); + ao_panic_delay(10); + } + for (n = 0; n < (reason & 0x3f); n++) { + ao_led_on(AO_LED_PANIC); + ao_beep(AO_BEEP_MID); + ao_panic_delay(10); + ao_led_off(AO_LED_PANIC); + ao_beep(AO_BEEP_OFF); + ao_panic_delay(10); + } + } +} diff --git a/src/kernel/ao_product.c b/src/kernel/ao_product.c new file mode 100644 index 00000000..b9327bac --- /dev/null +++ b/src/kernel/ao_product.c @@ -0,0 +1,161 @@ +/* + * Copyright © 2009 Keith Packard <keithp@keithp.com> + * + * This program is free software; you can redistribute it and/or modify + * it under the terms of the GNU General Public License as published by + * the Free Software Foundation; version 2 of the License. + * + * This program is distributed in the hope that it will be useful, but + * WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU + * General Public License for more details. + * + * You should have received a copy of the GNU General Public License along + * with this program; if not, write to the Free Software Foundation, Inc., + * 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA. + */ + +#include "ao.h" +#include "ao_product.h" + +/* Defines which mark this particular AltOS product */ + +const char ao_version[AO_MAX_VERSION] = AO_iVersion_STRING; +const char ao_manufacturer[] = AO_iManufacturer_STRING; +const char ao_product[] = AO_iProduct_STRING; + +#define LE_WORD(x) ((x)&0xFF),((uint8_t) (((uint16_t) (x))>>8)) + +#if HAS_USB + +/* Maximum power in mA */ +#ifndef AO_USB_MAX_POWER +#define AO_USB_MAX_POWER 100 +#endif + +#include "ao_usb.h" +/* USB descriptors in one giant block of bytes */ +AO_ROMCONFIG_SYMBOL(0x00aa) uint8_t ao_usb_descriptors [] = +{ + /* Device descriptor */ + 0x12, + AO_USB_DESC_DEVICE, + LE_WORD(0x0110), /* bcdUSB */ + 0x02, /* bDeviceClass */ + 0x00, /* bDeviceSubClass */ + 0x00, /* bDeviceProtocol */ + AO_USB_CONTROL_SIZE, /* bMaxPacketSize */ + LE_WORD(0xFFFE), /* idVendor */ + LE_WORD(AO_idProduct_NUMBER), /* idProduct */ + LE_WORD(0x0100), /* bcdDevice */ + 0x01, /* iManufacturer */ + 0x02, /* iProduct */ + 0x03, /* iSerialNumber */ + 0x01, /* bNumConfigurations */ + + /* Configuration descriptor */ + 0x09, + AO_USB_DESC_CONFIGURATION, + LE_WORD(67), /* wTotalLength */ + 0x02, /* bNumInterfaces */ + 0x01, /* bConfigurationValue */ + 0x00, /* iConfiguration */ + 0xC0, /* bmAttributes */ + AO_USB_MAX_POWER >> 1, /* bMaxPower, 2mA units */ + + /* Control class interface */ + 0x09, + AO_USB_DESC_INTERFACE, + 0x00, /* bInterfaceNumber */ + 0x00, /* bAlternateSetting */ + 0x01, /* bNumEndPoints */ + 0x02, /* bInterfaceClass */ + 0x02, /* bInterfaceSubClass */ + 0x01, /* bInterfaceProtocol, linux requires value of 1 for the cdc_acm module */ + 0x00, /* iInterface */ + + /* Header functional descriptor */ + 0x05, + AO_USB_CS_INTERFACE, + 0x00, /* bDescriptor SubType Header */ + LE_WORD(0x0110), /* CDC version 1.1 */ + + /* Call management functional descriptor */ + 0x05, + AO_USB_CS_INTERFACE, + 0x01, /* bDescriptor SubType Call Management */ + 0x01, /* bmCapabilities = device handles call management */ + 0x01, /* bDataInterface call management interface number */ + + /* ACM functional descriptor */ + 0x04, + AO_USB_CS_INTERFACE, + 0x02, /* bDescriptor SubType Abstract Control Management */ + 0x02, /* bmCapabilities = D1 (Set_line_Coding, Set_Control_Line_State, Get_Line_Coding and Serial_State) */ + + /* Union functional descriptor */ + 0x05, + AO_USB_CS_INTERFACE, + 0x06, /* bDescriptor SubType Union Functional descriptor */ + 0x00, /* bMasterInterface */ + 0x01, /* bSlaveInterface0 */ + + /* Notification EP */ + 0x07, + AO_USB_DESC_ENDPOINT, + AO_USB_INT_EP|0x80, /* bEndpointAddress */ + 0x03, /* bmAttributes = intr */ + LE_WORD(8), /* wMaxPacketSize */ + 0xff, /* bInterval */ + + /* Data class interface descriptor */ + 0x09, + AO_USB_DESC_INTERFACE, + 0x01, /* bInterfaceNumber */ + 0x00, /* bAlternateSetting */ + 0x02, /* bNumEndPoints */ + 0x0A, /* bInterfaceClass = data */ + 0x00, /* bInterfaceSubClass */ + 0x00, /* bInterfaceProtocol */ + 0x00, /* iInterface */ + + /* Data EP OUT */ + 0x07, + AO_USB_DESC_ENDPOINT, + AO_USB_OUT_EP, /* bEndpointAddress */ + 0x02, /* bmAttributes = bulk */ + LE_WORD(AO_USB_OUT_SIZE),/* wMaxPacketSize */ + 0x00, /* bInterval */ + + /* Data EP in */ + 0x07, + AO_USB_DESC_ENDPOINT, + AO_USB_IN_EP|0x80, /* bEndpointAddress */ + 0x02, /* bmAttributes = bulk */ + LE_WORD(AO_USB_IN_SIZE),/* wMaxPacketSize */ + 0x00, /* bInterval */ + + /* String descriptors */ + 0x04, + AO_USB_DESC_STRING, + LE_WORD(0x0409), + + /* iManufacturer */ + AO_iManufacturer_LEN, + AO_USB_DESC_STRING, + AO_iManufacturer_UCS2, + + /* iProduct */ + AO_iProduct_LEN, + AO_USB_DESC_STRING, + AO_iProduct_UCS2, + + /* iSerial */ + AO_iSerial_LEN, + AO_USB_DESC_STRING, + AO_iSerial_UCS2, + + /* Terminating zero */ + 0 +}; +#endif diff --git a/src/kernel/ao_pyro.c b/src/kernel/ao_pyro.c new file mode 100644 index 00000000..e59f5bc4 --- /dev/null +++ b/src/kernel/ao_pyro.c @@ -0,0 +1,518 @@ +/* + * Copyright © 2012 Keith Packard <keithp@keithp.com> + * + * This program is free software; you can redistribute it and/or modify + * it under the terms of the GNU General Public License as published by + * the Free Software Foundation; version 2 of the License. + * + * This program is distributed in the hope that it will be useful, but + * WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU + * General Public License for more details. + * + * You should have received a copy of the GNU General Public License along + * with this program; if not, write to the Free Software Foundation, Inc., + * 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA. + */ + +#ifndef AO_FLIGHT_TEST +#include <ao.h> +#include <ao_sample.h> +#include <ao_flight.h> +#endif +#include <ao_pyro.h> + +#if IS_COMPANION +#include <ao_companion.h> +#define ao_accel ao_companion_command.accel +#define ao_speed ao_companion_command.speed +#define ao_height ao_companion_command.height +#define ao_flight_state ao_companion_command.flight_state +#define ao_motor_number ao_companion_command.motor_number +#endif + +#define ao_lowbit(x) ((x) & (-x)) + +#ifndef AO_FLIGHT_TEST +enum ao_igniter_status +ao_pyro_status(uint8_t p) +{ + __xdata struct ao_data packet; + __pdata int16_t value; + + ao_arch_critical( + ao_data_get(&packet); + ); + + value = (AO_IGNITER_CLOSED>>1); + value = AO_SENSE_PYRO(&packet, p); + if (value < AO_IGNITER_OPEN) + return ao_igniter_open; + else if (value > AO_IGNITER_CLOSED) + return ao_igniter_ready; + else + return ao_igniter_unknown; +} + +void +ao_pyro_print_status(void) +{ + uint8_t p; + + for(p = 0; p < AO_PYRO_NUM; p++) { + enum ao_igniter_status status = ao_pyro_status(p); + printf("Igniter: %d Status: %s\n", + p, ao_igniter_status_names[status]); + } +} +#endif + +uint16_t ao_pyro_fired; + +/* + * Given a pyro structure, figure out + * if the current flight state satisfies all + * of the requirements + */ +static uint8_t +ao_pyro_ready(struct ao_pyro *pyro) +{ + enum ao_pyro_flag flag, flags; + + flags = pyro->flags; + while (flags != ao_pyro_none) { + flag = ao_lowbit(flags); + flags &= ~flag; + switch (flag) { + + case ao_pyro_accel_less: + if (ao_accel <= pyro->accel_less) + continue; + break; + case ao_pyro_accel_greater: + if (ao_accel >= pyro->accel_greater) + continue; + break; + + + case ao_pyro_speed_less: + if (ao_speed <= pyro->speed_less) + continue; + break; + case ao_pyro_speed_greater: + if (ao_speed >= pyro->speed_greater) + continue; + break; + + case ao_pyro_height_less: + if (ao_height <= pyro->height_less) + continue; + break; + case ao_pyro_height_greater: + if (ao_height >= pyro->height_greater) + continue; + break; + +#if HAS_GYRO + case ao_pyro_orient_less: + if (ao_sample_orient <= pyro->orient_less) + continue; + break; + case ao_pyro_orient_greater: + if (ao_sample_orient >= pyro->orient_greater) + continue; + break; +#endif + + case ao_pyro_time_less: + if ((int16_t) (ao_time() - ao_boost_tick) <= pyro->time_less) + continue; + break; + case ao_pyro_time_greater: + if ((int16_t) (ao_time() - ao_boost_tick) >= pyro->time_greater) + continue; + break; + + case ao_pyro_ascending: + if (ao_speed > 0) + continue; + break; + case ao_pyro_descending: + if (ao_speed < 0) + continue; + break; + + case ao_pyro_after_motor: + if (ao_motor_number == pyro->motor) + continue; + break; + + case ao_pyro_delay: + /* handled separately */ + continue; + + case ao_pyro_state_less: + if (ao_flight_state < pyro->state_less) + continue; + break; + case ao_pyro_state_greater_or_equal: + if (ao_flight_state >= pyro->state_greater_or_equal) + continue; + break; + + default: + continue; + } + return FALSE; + } + return TRUE; +} + +#ifndef AO_FLIGHT_TEST +static void +ao_pyro_pin_set(uint8_t p, uint8_t v) +{ + switch (p) { +#if AO_PYRO_NUM > 0 + case 0: ao_gpio_set(AO_PYRO_PORT_0, AO_PYRO_PIN_0, AO_PYRO_0, v); break; +#endif +#if AO_PYRO_NUM > 1 + case 1: ao_gpio_set(AO_PYRO_PORT_1, AO_PYRO_PIN_1, AO_PYRO_1, v); break; +#endif +#if AO_PYRO_NUM > 2 + case 2: ao_gpio_set(AO_PYRO_PORT_2, AO_PYRO_PIN_2, AO_PYRO_2, v); break; +#endif +#if AO_PYRO_NUM > 3 + case 3: ao_gpio_set(AO_PYRO_PORT_3, AO_PYRO_PIN_3, AO_PYRO_3, v); break; +#endif +#if AO_PYRO_NUM > 4 + case 4: ao_gpio_set(AO_PYRO_PORT_4, AO_PYRO_PIN_4, AO_PYRO_4, v); break; +#endif +#if AO_PYRO_NUM > 5 + case 5: ao_gpio_set(AO_PYRO_PORT_5, AO_PYRO_PIN_5, AO_PYRO_5, v); break; +#endif +#if AO_PYRO_NUM > 6 + case 6: ao_gpio_set(AO_PYRO_PORT_6, AO_PYRO_PIN_6, AO_PYRO_6, v); break; +#endif +#if AO_PYRO_NUM > 7 + case 7: ao_gpio_set(AO_PYRO_PORT_7, AO_PYRO_PIN_7, AO_PYRO_7, v); break; +#endif + default: break; + } +} +#endif + +uint8_t ao_pyro_wakeup; + +static void +ao_pyro_pins_fire(uint16_t fire) +{ + uint8_t p; + + for (p = 0; p < AO_PYRO_NUM; p++) { + if (fire & (1 << p)) + ao_pyro_pin_set(p, 1); + } + ao_delay(AO_MS_TO_TICKS(50)); + for (p = 0; p < AO_PYRO_NUM; p++) { + if (fire & (1 << p)) { + ao_pyro_pin_set(p, 0); + ao_config.pyro[p].fired = 1; + ao_pyro_fired |= (1 << p); + } + } + ao_delay(AO_MS_TO_TICKS(50)); +} + +static uint8_t +ao_pyro_check(void) +{ + struct ao_pyro *pyro; + uint8_t p, any_waiting; + uint16_t fire = 0; + + any_waiting = 0; + for (p = 0; p < AO_PYRO_NUM; p++) { + pyro = &ao_config.pyro[p]; + + /* Ignore igniters which have already fired + */ + if (pyro->fired) + continue; + + /* Ignore disabled igniters + */ + if (!pyro->flags) + continue; + + any_waiting = 1; + /* Check pyro state to see if it should fire + */ + if (!pyro->delay_done) { + if (!ao_pyro_ready(pyro)) + continue; + + /* If there's a delay set, then remember when + * it expires + */ + if (pyro->flags & ao_pyro_delay) { + pyro->delay_done = ao_time() + pyro->delay; + if (!pyro->delay_done) + pyro->delay_done = 1; + } + } + + /* Check to see if we're just waiting for + * the delay to expire + */ + if (pyro->delay_done) { + if ((int16_t) (ao_time() - pyro->delay_done) < 0) + continue; + } + + fire |= (1 << p); + } + + if (fire) + ao_pyro_pins_fire(fire); + + return any_waiting; +} + +#define NO_VALUE 0xff + +#define AO_PYRO_NAME_LEN 3 + +#if !DISABLE_HELP +#define ENABLE_HELP 1 +#endif + +#if ENABLE_HELP +#define HELP(s) (s) +#else +#define HELP(s) +#endif + +const struct { + char name[AO_PYRO_NAME_LEN]; + enum ao_pyro_flag flag; + uint8_t offset; +#if ENABLE_HELP + char *help; +#endif +} ao_pyro_values[] = { + { "a<", ao_pyro_accel_less, offsetof(struct ao_pyro, accel_less), HELP("accel less (m/ss * 16)") }, + { "a>", ao_pyro_accel_greater, offsetof(struct ao_pyro, accel_greater), HELP("accel greater (m/ss * 16)") }, + + { "s<", ao_pyro_speed_less, offsetof(struct ao_pyro, speed_less), HELP("speed less (m/s * 16)") }, + { "s>", ao_pyro_speed_greater, offsetof(struct ao_pyro, speed_greater), HELP("speed greater (m/s * 16)") }, + + { "h<", ao_pyro_height_less, offsetof(struct ao_pyro, height_less), HELP("height less (m)") }, + { "h>", ao_pyro_height_greater, offsetof(struct ao_pyro, height_greater), HELP("height greater (m)") }, + +#if HAS_GYRO + { "o<", ao_pyro_orient_less, offsetof(struct ao_pyro, orient_less), HELP("orient less (deg)") }, + { "o>", ao_pyro_orient_greater, offsetof(struct ao_pyro, orient_greater), HELP("orient greater (deg)") }, +#endif + + { "t<", ao_pyro_time_less, offsetof(struct ao_pyro, time_less), HELP("time less (s * 100)") }, + { "t>", ao_pyro_time_greater, offsetof(struct ao_pyro, time_greater), HELP("time greater (s * 100)") }, + + { "f<", ao_pyro_state_less, offsetof(struct ao_pyro, state_less), HELP("state less") }, + { "f>=",ao_pyro_state_greater_or_equal, offsetof(struct ao_pyro, state_greater_or_equal), HELP("state greater or equal") }, + + { "A", ao_pyro_ascending, NO_VALUE, HELP("ascending") }, + { "D", ao_pyro_descending, NO_VALUE, HELP("descending") }, + + { "m", ao_pyro_after_motor, offsetof(struct ao_pyro, motor), HELP("after motor") }, + + { "d", ao_pyro_delay, offsetof(struct ao_pyro, delay), HELP("delay before firing (s * 100)") }, + { "", ao_pyro_none, NO_VALUE, HELP(NULL) }, +}; + +#define NUM_PYRO_VALUES (sizeof ao_pyro_values / sizeof ao_pyro_values[0]) + +#ifndef AO_FLIGHT_TEST +static void +ao_pyro(void) +{ + uint8_t any_waiting; + + ao_config_get(); + while (ao_flight_state < ao_flight_boost) + ao_sleep(&ao_flight_state); + + for (;;) { + ao_alarm(AO_MS_TO_TICKS(100)); + ao_sleep(&ao_pyro_wakeup); + ao_clear_alarm(); + if (ao_flight_state >= ao_flight_landed) + break; + any_waiting = ao_pyro_check(); + if (!any_waiting) + break; + } + ao_exit(); +} + +__xdata struct ao_task ao_pyro_task; + + +static void +ao_pyro_print_name(uint8_t v) +{ + const char *s = ao_pyro_values[v].name; + printf ("%s%s", s, " " + strlen(s)); +} + +#if ENABLE_HELP +static void +ao_pyro_help(void) +{ + uint8_t v; + for (v = 0; ao_pyro_values[v].flag != ao_pyro_none; v++) { + ao_pyro_print_name(v); + if (ao_pyro_values[v].offset != NO_VALUE) + printf ("<n> "); + else + printf (" "); + printf ("%s\n", ao_pyro_values[v].help); + } +} +#endif + +void +ao_pyro_show(void) +{ + uint8_t p; + uint8_t v; + struct ao_pyro *pyro; + + printf ("Pyro-count: %d\n", AO_PYRO_NUM); + for (p = 0; p < AO_PYRO_NUM; p++) { + printf ("Pyro %2d: ", p); + pyro = &ao_config.pyro[p]; + if (!pyro->flags) { + printf ("<disabled>\n"); + continue; + } + for (v = 0; ao_pyro_values[v].flag != ao_pyro_none; v++) { + if (!(pyro->flags & ao_pyro_values[v].flag)) + continue; + ao_pyro_print_name(v); + if (ao_pyro_values[v].offset != NO_VALUE) { + int16_t value; + + value = *((int16_t *) ((char *) pyro + ao_pyro_values[v].offset)); + printf ("%6d ", value); + } else { + printf (" "); + } + } + printf ("\n"); + } +} + +void +ao_pyro_set(void) +{ + uint8_t p; + struct ao_pyro pyro_tmp; + char name[AO_PYRO_NAME_LEN]; + uint8_t c; + uint8_t v; + + ao_cmd_white(); + +#if ENABLE_HELP + switch (ao_cmd_lex_c) { + case '?': + ao_pyro_help(); + return; + } +#endif + + ao_cmd_decimal(); + if (ao_cmd_status != ao_cmd_success) + return; + p = ao_cmd_lex_i; + if (AO_PYRO_NUM <= p) { + printf ("invalid pyro channel %d\n", p); + return; + } + pyro_tmp.flags = 0; + for (;;) { + ao_cmd_white(); + if (ao_cmd_lex_c == '\n') + break; + + for (c = 0; c < AO_PYRO_NAME_LEN - 1; c++) { + if (ao_cmd_is_white()) + break; + name[c] = ao_cmd_lex_c; + ao_cmd_lex(); + } + name[c] = '\0'; + for (v = 0; ao_pyro_values[v].flag != ao_pyro_none; v++) { + if (!strcmp (ao_pyro_values[v].name, name)) + break; + } + if (ao_pyro_values[v].flag == ao_pyro_none) { + printf ("invalid pyro field %s\n", name); + ao_cmd_status = ao_cmd_syntax_error; + return; + } + pyro_tmp.flags |= ao_pyro_values[v].flag; + if (ao_pyro_values[v].offset != NO_VALUE) { + ao_cmd_decimal(); + if (ao_cmd_status != ao_cmd_success) + return; + *((int16_t *) ((char *) &pyro_tmp + ao_pyro_values[v].offset)) = ao_cmd_lex_i; + } + } + _ao_config_edit_start(); + ao_config.pyro[p] = pyro_tmp; + _ao_config_edit_finish(); +} + +void +ao_pyro_manual(uint8_t p) +{ + printf ("ao_pyro_manual %d\n", p); + if (p >= AO_PYRO_NUM) { + ao_cmd_status = ao_cmd_syntax_error; + return; + } + ao_pyro_pins_fire(1 << p); +} + +void +ao_pyro_init(void) +{ +#if AO_PYRO_NUM > 0 + ao_enable_output(AO_PYRO_PORT_0, AO_PYRO_PIN_0, AO_PYRO_0, 0); +#endif +#if AO_PYRO_NUM > 1 + ao_enable_output(AO_PYRO_PORT_1, AO_PYRO_PIN_1, AO_PYRO_1, 0); +#endif +#if AO_PYRO_NUM > 2 + ao_enable_output(AO_PYRO_PORT_2, AO_PYRO_PIN_2, AO_PYRO_2, 0); +#endif +#if AO_PYRO_NUM > 3 + ao_enable_output(AO_PYRO_PORT_3, AO_PYRO_PIN_3, AO_PYRO_3, 0); +#endif +#if AO_PYRO_NUM > 4 + ao_enable_output(AO_PYRO_PORT_4, AO_PYRO_PIN_4, AO_PYRO_4, 0); +#endif +#if AO_PYRO_NUM > 5 + ao_enable_output(AO_PYRO_PORT_5, AO_PYRO_PIN_5, AO_PYRO_5, 0); +#endif +#if AO_PYRO_NUM > 6 + ao_enable_output(AO_PYRO_PORT_6, AO_PYRO_PIN_6, AO_PYRO_6, 0); +#endif +#if AO_PYRO_NUM > 7 + ao_enable_output(AO_PYRO_PORT_7, AO_PYRO_PIN_7, AO_PYRO_7, 0); +#endif + ao_add_task(&ao_pyro_task, ao_pyro, "pyro"); +} +#endif diff --git a/src/kernel/ao_pyro.h b/src/kernel/ao_pyro.h new file mode 100644 index 00000000..0c5642d6 --- /dev/null +++ b/src/kernel/ao_pyro.h @@ -0,0 +1,83 @@ +/* + * Copyright © 2012 Keith Packard <keithp@keithp.com> + * + * This program is free software; you can redistribute it and/or modify + * it under the terms of the GNU General Public License as published by + * the Free Software Foundation; version 2 of the License. + * + * This program is distributed in the hope that it will be useful, but + * WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU + * General Public License for more details. + * + * You should have received a copy of the GNU General Public License along + * with this program; if not, write to the Free Software Foundation, Inc., + * 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA. + */ + +#ifndef _AO_PYRO_H_ +#define _AO_PYRO_H_ + +enum ao_pyro_flag { + ao_pyro_none = 0x00000000, + + ao_pyro_accel_less = 0x00000001, + ao_pyro_accel_greater = 0x00000002, + + ao_pyro_speed_less = 0x00000004, + ao_pyro_speed_greater = 0x00000008, + + ao_pyro_height_less = 0x00000010, + ao_pyro_height_greater = 0x00000020, + + ao_pyro_orient_less = 0x00000040, + ao_pyro_orient_greater = 0x00000080, + + ao_pyro_time_less = 0x00000100, + ao_pyro_time_greater = 0x00000200, + + ao_pyro_ascending = 0x00000400, + ao_pyro_descending = 0x00000800, + + ao_pyro_after_motor = 0x00001000, + + ao_pyro_delay = 0x00002000, + + ao_pyro_state_less = 0x00004000, + ao_pyro_state_greater_or_equal = 0x00008000, +}; + +struct ao_pyro { + enum ao_pyro_flag flags; + int16_t accel_less, accel_greater; + int16_t speed_less, speed_greater; + int16_t height_less, height_greater; + int16_t orient_less, orient_greater; + int16_t time_less, time_greater; + int16_t delay; + uint8_t state_less, state_greater_or_equal; + int16_t motor; + uint16_t delay_done; + uint8_t fired; +}; + +extern uint8_t ao_pyro_wakeup; + +extern uint16_t ao_pyro_fired; + +void +ao_pyro_set(void); + +void +ao_pyro_show(void); + +void +ao_pyro_init(void); + +void +ao_pyro_manual(uint8_t p); + +void +ao_pyro_print_status(void); + +#endif diff --git a/src/kernel/ao_quaternion.h b/src/kernel/ao_quaternion.h new file mode 100644 index 00000000..044f1607 --- /dev/null +++ b/src/kernel/ao_quaternion.h @@ -0,0 +1,249 @@ +/* + * Copyright © 2013 Keith Packard <keithp@keithp.com> + * + * This program is free software; you can redistribute it and/or modify + * it under the terms of the GNU General Public License as published by + * the Free Software Foundation; version 2 of the License. + * + * This program is distributed in the hope that it will be useful, but + * WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU + * General Public License for more details. + * + * You should have received a copy of the GNU General Public License along + * with this program; if not, write to the Free Software Foundation, Inc., + * 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA. + */ + +#ifndef _AO_QUATERNION_H_ +#define _AO_QUATERNION_H_ + +#include <math.h> + +struct ao_quaternion { + float r; /* real bit */ + float x, y, z; /* imaginary bits */ +}; + +static inline void ao_quaternion_multiply(struct ao_quaternion *r, + const struct ao_quaternion *a, + const struct ao_quaternion *b) +{ + struct ao_quaternion t; +#define T(_a,_b) (((a)->_a) * ((b)->_b)) + +/* + * Quaternions + * + * ii = jj = kk = ijk = -1; + * + * kji = 1; + * + * ij = k; ji = -k; + * kj = -i; jk = i; + * ik = -j; ki = j; + * + * Multiplication p * q: + * + * (pr + ipx + jpy + kpz) (qr + iqx + jqy + kqz) = + * + * ( pr * qr + pr * iqx + pr * jqy + pr * kqz) + + * (ipx * qr + ipx * iqx + ipx * jqy + ipx * kqz) + + * (jpy * qr + jpy * iqx + jpy * jqy + jpy * kqz) + + * (kpz * qr + kpz * iqx + kpz * jqy + kpz * kqz) = + * + * + * (pr * qr) + i(pr * qx) + j(pr * qy) + k(pr * qz) + + * i(px * qr) - (px * qx) + k(px * qy) - j(px * qz) + + * j(py * qr) - k(py * qx) - (py * qy) + i(py * qz) + + * k(pz * qr) + j(pz * qx) - i(pz * qy) - (pz * qz) = + * + * 1 * ( (pr * qr) - (px * qx) - (py * qy) - (pz * qz) ) + + * i * ( (pr * qx) + (px * qr) + (py * qz) - (pz * qy) ) + + * j * ( (pr * qy) - (px * qz) + (py * qr) + (pz * qx) ) + + * k * ( (pr * qz) + (px * qy) - (py * qx) + (pz * qr); + */ + + t.r = T(r,r) - T(x,x) - T(y,y) - T(z,z); + t.x = T(r,x) + T(x,r) + T(y,z) - T(z,y); + t.y = T(r,y) - T(x,z) + T(y,r) + T(z,x); + t.z = T(r,z) + T(x,y) - T(y,x) + T(z,r); +#undef T + *r = t; +} + +static inline void ao_quaternion_conjugate(struct ao_quaternion *r, + const struct ao_quaternion *a) +{ + r->r = a->r; + r->x = -a->x; + r->y = -a->y; + r->z = -a->z; +} + +static inline float ao_quaternion_normal(const struct ao_quaternion *a) +{ +#define S(_a) (((a)->_a) * ((a)->_a)) + return S(r) + S(x) + S(y) + S(z); +#undef S +} + +static inline void ao_quaternion_scale(struct ao_quaternion *r, + const struct ao_quaternion *a, + float b) +{ + r->r = a->r * b; + r->x = a->x * b; + r->y = a->y * b; + r->z = a->z * b; +} + +static inline void ao_quaternion_normalize(struct ao_quaternion *r, + const struct ao_quaternion *a) +{ + float n = ao_quaternion_normal(a); + + if (n > 0) + ao_quaternion_scale(r, a, 1/sqrtf(n)); + else + *r = *a; +} + +static inline float ao_quaternion_dot(const struct ao_quaternion *a, + const struct ao_quaternion *b) +{ +#define T(_a) (((a)->_a) * ((b)->_a)) + return T(r) + T(x) + T(y) + T(z); +#undef T +} + + +static inline void ao_quaternion_rotate(struct ao_quaternion *r, + const struct ao_quaternion *a, + const struct ao_quaternion *b) +{ + struct ao_quaternion c; + struct ao_quaternion t; + + ao_quaternion_multiply(&t, b, a); + ao_quaternion_conjugate(&c, b); + ao_quaternion_multiply(r, &t, &c); +} + +/* + * Compute a rotation quaternion between two vectors + * + * cos(θ) + u * sin(θ) + * + * where θ is the angle between the two vectors and u + * is a unit vector axis of rotation + */ + +static inline void ao_quaternion_vectors_to_rotation(struct ao_quaternion *r, + const struct ao_quaternion *a, + const struct ao_quaternion *b) +{ + /* + * The cross product will point orthogonally to the two + * vectors, forming our rotation axis. The length will be + * sin(θ), so these values are already multiplied by that. + */ + + float x = a->y * b->z - a->z * b->y; + float y = a->z * b->x - a->x * b->z; + float z = a->x * b->y - a->y * b->x; + + float s_2 = x*x + y*y + z*z; + float s = sqrtf(s_2); + + /* cos(θ) = a · b / (|a| |b|). + * + * a and b are both unit vectors, so the divisor is one + */ + float c = a->x*b->x + a->y*b->y + a->z*b->z; + + float c_half = sqrtf ((1 + c) / 2); + float s_half = sqrtf ((1 - c) / 2); + + /* + * Divide out the sine factor from the + * cross product, then multiply in the + * half sine factor needed for the quaternion + */ + float s_scale = s_half / s; + + r->x = x * s_scale; + r->y = y * s_scale; + r->z = z * s_scale; + + r->r = c_half; + + ao_quaternion_normalize(r, r); +} + +static inline void ao_quaternion_init_vector(struct ao_quaternion *r, + float x, float y, float z) +{ + r->r = 0; + r->x = x; + r->y = y; + r->z = z; +} + +static inline void ao_quaternion_init_rotation(struct ao_quaternion *r, + float x, float y, float z, + float s, float c) +{ + r->r = c; + r->x = s * x; + r->y = s * y; + r->z = s * z; +} + +static inline void ao_quaternion_init_zero_rotation(struct ao_quaternion *r) +{ + r->r = 1; + r->x = r->y = r->z = 0; +} + +/* + * The sincosf from newlib just calls sinf and cosf. This is a bit + * faster, if slightly less precise + */ + +static inline void +ao_sincosf(float a, float *s, float *c) { + float _s = sinf(a); + *s = _s; + *c = sqrtf(1 - _s*_s); +} + +/* + * Initialize a quaternion from 1/2 euler rotation angles (in radians). + * + * Yes, it would be nicer if there were a faster way, but because we + * sample the gyros at only 100Hz, we end up getting angles too large + * to take advantage of sin(x) ≃ x. + * + * We might be able to use just a couple of elements of the sin taylor + * series though, instead of the whole sin function? + */ + +static inline void ao_quaternion_init_half_euler(struct ao_quaternion *r, + float x, float y, float z) +{ + float s_x, c_x; + float s_y, c_y; + float s_z, c_z; + + ao_sincosf(x, &s_x, &c_x); + ao_sincosf(y, &s_y, &c_y); + ao_sincosf(z, &s_z, &c_z); + + r->r = c_x * c_y * c_z + s_x * s_y * s_z; + r->x = s_x * c_y * c_z - c_x * s_y * s_z; + r->y = c_x * s_y * c_z + s_x * c_y * s_z; + r->z = c_x * c_y * s_z - s_x * s_y * c_z; +} + +#endif /* _AO_QUATERNION_H_ */ diff --git a/src/kernel/ao_radio_cmac.c b/src/kernel/ao_radio_cmac.c new file mode 100644 index 00000000..bff848f6 --- /dev/null +++ b/src/kernel/ao_radio_cmac.c @@ -0,0 +1,164 @@ +/* + * Copyright © 2011 Keith Packard <keithp@keithp.com> + * + * This program is free software; you can redistribute it and/or modify + * it under the terms of the GNU General Public License as published by + * the Free Software Foundation; version 2 of the License. + * + * This program is distributed in the hope that it will be useful, but + * WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU + * General Public License for more details. + * + * You should have received a copy of the GNU General Public License along + * with this program; if not, write to the Free Software Foundation, Inc., + * 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA. + */ + +#include <ao.h> +#include <ao_radio_cmac.h> + +static __xdata uint8_t ao_radio_cmac_mutex; +__pdata int8_t ao_radio_cmac_rssi; +static __xdata uint8_t cmac_data[AO_CMAC_MAX_LEN + AO_CMAC_KEY_LEN + 2 + AO_CMAC_KEY_LEN]; + +static uint8_t +round_len(uint8_t len) +{ + uint8_t rem; + + /* Make sure we transfer at least one packet, and + * then make sure every packet is full. Note that + * there is no length encoded, and that the receiver + * must deal with any extra bytes in the packet + */ + if (len < AO_CMAC_KEY_LEN) + len = AO_CMAC_KEY_LEN; + rem = len % AO_CMAC_KEY_LEN; + if (rem != 0) + len += (AO_CMAC_KEY_LEN - rem); + return len; +} + +/* + * Sign and deliver the data sitting in the cmac buffer + */ +static void +radio_cmac_send(uint8_t len) __reentrant +{ + uint8_t i; + + len = round_len(len); + /* Make sure the AES key is loaded */ + ao_config_get(); + +#if HAS_MONITOR + ao_monitor_set(0); +#endif + + ao_mutex_get(&ao_aes_mutex); + ao_aes_set_mode(ao_aes_mode_cbc_mac); + ao_aes_set_key(ao_config.aes_key); + ao_aes_zero_iv(); + for (i = 0; i < len; i += AO_CMAC_KEY_LEN) { + if (i + AO_CMAC_KEY_LEN < len) + ao_aes_run(&cmac_data[i], NULL); + else + ao_aes_run(&cmac_data[i], &cmac_data[len]); + } + ao_mutex_put(&ao_aes_mutex); + + ao_radio_send(cmac_data, len + AO_CMAC_KEY_LEN); +} + +/* + * Receive and validate an incoming packet + */ + +static int8_t +radio_cmac_recv(uint8_t len, uint16_t timeout) __reentrant +{ + uint8_t i; + + len = round_len(len); +#if HAS_MONITOR + ao_monitor_set(0); +#endif + i = ao_radio_recv(cmac_data, len + AO_CMAC_KEY_LEN + 2, timeout); + + if (!i) { + ao_radio_cmac_rssi = 0; + return AO_RADIO_CMAC_TIMEOUT; + } + + ao_radio_cmac_rssi = ao_radio_rssi; + if (!(cmac_data[len + AO_CMAC_KEY_LEN +1] & AO_RADIO_STATUS_CRC_OK)) + return AO_RADIO_CMAC_CRC_ERROR; + + ao_config_get(); + + /* Compute the packet signature + */ + ao_mutex_get(&ao_aes_mutex); + ao_aes_set_mode(ao_aes_mode_cbc_mac); + ao_aes_set_key(ao_config.aes_key); + ao_aes_zero_iv(); + for (i = 0; i < len; i += AO_CMAC_KEY_LEN) { + if (i + AO_CMAC_KEY_LEN < len) + ao_aes_run(&cmac_data[i], NULL); + else + ao_aes_run(&cmac_data[i], &cmac_data[len + AO_CMAC_KEY_LEN + 2]); + } + ao_mutex_put(&ao_aes_mutex); + + /* Check the packet signature against the signature provided + * over the link + */ + + if (memcmp(&cmac_data[len], + &cmac_data[len + AO_CMAC_KEY_LEN + 2], + AO_CMAC_KEY_LEN) != 0) { + return AO_RADIO_CMAC_MAC_ERROR; + } + + return AO_RADIO_CMAC_OK; +} + +int8_t +ao_radio_cmac_send(__xdata void *packet, uint8_t len) __reentrant +{ + if (len > AO_CMAC_MAX_LEN) + return AO_RADIO_CMAC_LEN_ERROR; + ao_mutex_get(&ao_radio_cmac_mutex); + ao_xmemcpy(cmac_data, packet, len); +#if AO_LED_TX + ao_led_on(AO_LED_TX); +#endif + radio_cmac_send(len); +#if AO_LED_TX + ao_led_off(AO_LED_TX); +#endif + ao_mutex_put(&ao_radio_cmac_mutex); + return AO_RADIO_CMAC_OK; +} + +int8_t +ao_radio_cmac_recv(__xdata void *packet, uint8_t len, uint16_t timeout) __reentrant +{ + int8_t i; + if (len > AO_CMAC_MAX_LEN) + return AO_RADIO_CMAC_LEN_ERROR; + ao_mutex_get(&ao_radio_cmac_mutex); +#if AO_LED_RX + ao_led_on(AO_LED_RX); +#endif + i = radio_cmac_recv(len, timeout); +#if AO_LED_RX + ao_led_off(AO_LED_RX); +#endif + if (i == AO_RADIO_CMAC_OK) + ao_xmemcpy(packet, cmac_data, len); + ao_mutex_put(&ao_radio_cmac_mutex); + return i; +} + diff --git a/src/kernel/ao_radio_cmac.h b/src/kernel/ao_radio_cmac.h new file mode 100644 index 00000000..e86f31e9 --- /dev/null +++ b/src/kernel/ao_radio_cmac.h @@ -0,0 +1,43 @@ +/* + * Copyright © 2012 Keith Packard <keithp@keithp.com> + * + * This program is free software; you can redistribute it and/or modify + * it under the terms of the GNU General Public License as published by + * the Free Software Foundation; version 2 of the License. + * + * This program is distributed in the hope that it will be useful, but + * WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU + * General Public License for more details. + * + * You should have received a copy of the GNU General Public License along + * with this program; if not, write to the Free Software Foundation, Inc., + * 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA. + */ + +#ifndef _AO_RADIO_CMAC_H_ +#define _AO_RADIO_CMAC_H_ + +#include <ao_aes.h> + +#define AO_CMAC_KEY_LEN AO_AES_LEN +#define AO_CMAC_MAX_LEN (128 - AO_CMAC_KEY_LEN) + +extern __pdata int8_t ao_radio_cmac_rssi; + +int8_t +ao_radio_cmac_send(__xdata void *packet, uint8_t len) __reentrant; + +#define AO_RADIO_CMAC_OK 0 +#define AO_RADIO_CMAC_LEN_ERROR -1 +#define AO_RADIO_CMAC_CRC_ERROR -2 +#define AO_RADIO_CMAC_MAC_ERROR -3 +#define AO_RADIO_CMAC_TIMEOUT -4 + +int8_t +ao_radio_cmac_recv(__xdata void *packet, uint8_t len, uint16_t timeout) __reentrant; + +void +ao_radio_cmac_init(void); + +#endif /* _AO_RADIO_CMAC_H_ */ diff --git a/src/kernel/ao_radio_cmac_cmd.c b/src/kernel/ao_radio_cmac_cmd.c new file mode 100644 index 00000000..64410921 --- /dev/null +++ b/src/kernel/ao_radio_cmac_cmd.c @@ -0,0 +1,104 @@ +/* + * Copyright © 2012 Keith Packard <keithp@keithp.com> + * + * This program is free software; you can redistribute it and/or modify + * it under the terms of the GNU General Public License as published by + * the Free Software Foundation; version 2 of the License. + * + * This program is distributed in the hope that it will be useful, but + * WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU + * General Public License for more details. + * + * You should have received a copy of the GNU General Public License along + * with this program; if not, write to the Free Software Foundation, Inc., + * 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA. + */ + +#include <ao.h> +#include <ao_radio_cmac_cmd.h> +#include <ao_radio_cmac.h> + +static __xdata uint8_t cmac_data[AO_CMAC_MAX_LEN]; + +static uint8_t +getnibble(void) +{ + int8_t b; + + b = ao_cmd_hexchar(getchar()); + if (b < 0) { + ao_cmd_status = ao_cmd_lex_error; + return 0; + } + return (uint8_t) b; +} + +static uint8_t +getbyte(void) +{ + uint8_t b; + b = getnibble() << 4; + b |= getnibble(); + return b; +} + +static void +radio_cmac_send_cmd(void) __reentrant +{ + uint8_t i; + uint8_t len; + + ao_cmd_decimal(); + if (ao_cmd_status != ao_cmd_success) + return; + len = ao_cmd_lex_i; + if (len > AO_CMAC_MAX_LEN) { + ao_cmd_status = ao_cmd_syntax_error; + return; + } + flush(); + len = ao_cmd_lex_i; + for (i = 0; i < len; i++) { + cmac_data[i] = getbyte(); + if (ao_cmd_status != ao_cmd_success) + return; + } + ao_radio_cmac_send(cmac_data, len); +} + +static void +radio_cmac_recv_cmd(void) __reentrant +{ + uint8_t len, i; + uint16_t timeout; + + ao_cmd_decimal(); + if (ao_cmd_status != ao_cmd_success) + return; + len = ao_cmd_lex_i; + ao_cmd_decimal(); + if (ao_cmd_status != ao_cmd_success) + return; + timeout = AO_MS_TO_TICKS(ao_cmd_lex_i); + i = ao_radio_cmac_recv(cmac_data, len, timeout); + if (i == AO_RADIO_CMAC_OK) { + printf ("PACKET "); + for (i = 0; i < len; i++) + printf("%02x", cmac_data[i]); + printf (" %d\n", ao_radio_cmac_rssi); + } else + printf ("ERROR %d %d\n", i, ao_radio_cmac_rssi); +} + +static __code struct ao_cmds ao_radio_cmac_cmds[] = { + { radio_cmac_send_cmd, "s <length>\0Send AES-CMAC packet. Bytes to send follow on next line" }, + { radio_cmac_recv_cmd, "S <length> <timeout>\0Receive AES-CMAC packet. Timeout in ms" }, + { 0, NULL }, +}; + +void +ao_radio_cmac_cmd_init(void) +{ + ao_cmd_register(&ao_radio_cmac_cmds[0]); +} diff --git a/src/kernel/ao_radio_cmac_cmd.h b/src/kernel/ao_radio_cmac_cmd.h new file mode 100644 index 00000000..6b8782de --- /dev/null +++ b/src/kernel/ao_radio_cmac_cmd.h @@ -0,0 +1,24 @@ +/* + * Copyright © 2012 Keith Packard <keithp@keithp.com> + * + * This program is free software; you can redistribute it and/or modify + * it under the terms of the GNU General Public License as published by + * the Free Software Foundation; version 2 of the License. + * + * This program is distributed in the hope that it will be useful, but + * WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU + * General Public License for more details. + * + * You should have received a copy of the GNU General Public License along + * with this program; if not, write to the Free Software Foundation, Inc., + * 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA. + */ + +#ifndef _AO_RADIO_CMAC_CMD_H_ +#define _AO_RADIO_CMAC_CMD_H_ + +void +ao_radio_cmac_cmd_init(void); + +#endif /* _AO_RADIO_CMAC_CMD_H_ */ diff --git a/src/kernel/ao_report.c b/src/kernel/ao_report.c new file mode 100644 index 00000000..1104cd82 --- /dev/null +++ b/src/kernel/ao_report.c @@ -0,0 +1,198 @@ +/* + * Copyright © 2009 Keith Packard <keithp@keithp.com> + * + * This program is free software; you can redistribute it and/or modify + * it under the terms of the GNU General Public License as published by + * the Free Software Foundation; version 2 of the License. + * + * This program is distributed in the hope that it will be useful, but + * WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU + * General Public License for more details. + * + * You should have received a copy of the GNU General Public License along + * with this program; if not, write to the Free Software Foundation, Inc., + * 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA. + */ + +#include "ao.h" +#include <ao_flight.h> +#include <ao_sample.h> + +#define BIT(i,x) ((x) ? (1 << (i)) : 0) +#define MORSE1(a) (1 | BIT(3,a)) +#define MORSE2(a,b) (2 | BIT(3,a) | BIT(4,b)) +#define MORSE3(a,b,c) (3 | BIT(3,a) | BIT(4,b) | BIT(5,c)) +#define MORSE4(a,b,c,d) (4 | BIT(3,a) | BIT(4,b) | BIT(5,c) | BIT(6,d)) +#define MORSE5(a,b,c,d,e) (5 | BIT(3,a) | BIT(4,b) | BIT(5,c) | BIT(6,d) | BIT(7,e)) + +static const uint8_t flight_reports[] = { + MORSE3(0,0,0), /* startup, 'S' */ + MORSE2(0,0), /* idle 'I' */ + MORSE4(0,1,1,0), /* pad 'P' */ + MORSE4(1,0,0,0), /* boost 'B' */ + MORSE4(0,0,1,0), /* fast 'F' */ + MORSE4(1,0,1,0), /* coast 'C' */ + MORSE3(1,0,0), /* drogue 'D' */ + MORSE2(1,1), /* main 'M' */ + MORSE4(0,1,0,0), /* landed 'L' */ + MORSE4(1,0,0,1), /* invalid 'X' */ +}; + +#if HAS_BEEP +#define low(time) ao_beep_for(AO_BEEP_LOW, time) +#define mid(time) ao_beep_for(AO_BEEP_MID, time) +#define high(time) ao_beep_for(AO_BEEP_HIGH, time) +#else +#define low(time) ao_led_for(AO_LED_GREEN, time) +#define mid(time) ao_led_for(AO_LED_RED, time) +#define high(time) ao_led_for(AO_LED_GREEN|AO_LED_RED, time) +#endif +#define pause(time) ao_delay(time) + +static __pdata enum ao_flight_state ao_report_state; + +static void +ao_report_beep(void) __reentrant +{ + uint8_t r = flight_reports[ao_flight_state]; + uint8_t l = r & 7; + + if (!r) + return; + while (l--) { + if (r & 8) + mid(AO_MS_TO_TICKS(600)); + else + mid(AO_MS_TO_TICKS(200)); + pause(AO_MS_TO_TICKS(200)); + r >>= 1; + } + pause(AO_MS_TO_TICKS(400)); +} + +static void +ao_report_digit(uint8_t digit) __reentrant +{ + if (!digit) { + mid(AO_MS_TO_TICKS(500)); + pause(AO_MS_TO_TICKS(200)); + } else { + while (digit--) { + mid(AO_MS_TO_TICKS(200)); + pause(AO_MS_TO_TICKS(200)); + } + } + pause(AO_MS_TO_TICKS(300)); +} + +static void +ao_report_altitude(void) +{ + __pdata int16_t agl = ao_max_height; + __xdata uint8_t digits[10]; + __pdata uint8_t ndigits, i; + + if (agl < 0) + agl = 0; + ndigits = 0; + do { + digits[ndigits++] = agl % 10; + agl /= 10; + } while (agl); + + i = ndigits; + do + ao_report_digit(digits[--i]); + while (i != 0); +} + +#if HAS_IGNITE_REPORT +static uint8_t +ao_report_igniter_ready(enum ao_igniter igniter) +{ + return ao_igniter_status(igniter) == ao_igniter_ready ? 1 : 0; +} + +uint8_t +ao_report_igniter(void) +{ + return (ao_report_igniter_ready(ao_igniter_drogue) | + (ao_report_igniter_ready(ao_igniter_main) << 1)); +} + +static void +ao_report_continuity(void) __reentrant +{ + uint8_t c; + +#if !HAS_IGNITE + if (!ao_igniter_present) + return; +#endif + c = ao_report_igniter(); + if (c) { + while (c--) { + high(AO_MS_TO_TICKS(25)); + pause(AO_MS_TO_TICKS(100)); + } + } else { + c = 10; + while (c--) { + high(AO_MS_TO_TICKS(20)); + low(AO_MS_TO_TICKS(20)); + } + } +#if HAS_LOG + if (ao_log_full()) { + pause(AO_MS_TO_TICKS(100)); + c = 2; + while (c--) { + low(AO_MS_TO_TICKS(100)); + mid(AO_MS_TO_TICKS(100)); + high(AO_MS_TO_TICKS(100)); + mid(AO_MS_TO_TICKS(100)); + } + } +#endif +} +#endif + +void +ao_report(void) +{ + ao_report_state = ao_flight_state; + for(;;) { + ao_report_beep(); + if (ao_flight_state == ao_flight_landed) { + ao_report_altitude(); +#if HAS_FLIGHT + ao_delay(AO_SEC_TO_TICKS(5)); + continue; +#endif + } +#if HAS_IGNITE_REPORT + if (ao_flight_state == ao_flight_idle) + ao_report_continuity(); + while (ao_flight_state == ao_flight_pad) { + uint8_t c; + ao_report_continuity(); + c = 50; + while (c-- && ao_flight_state == ao_flight_pad) + pause(AO_MS_TO_TICKS(100)); + } +#endif + + while (ao_report_state == ao_flight_state) + ao_sleep(DATA_TO_XDATA(&ao_flight_state)); + ao_report_state = ao_flight_state; + } +} + +static __xdata struct ao_task ao_report_task; + +void +ao_report_init(void) +{ + ao_add_task(&ao_report_task, ao_report, "report"); +} diff --git a/src/kernel/ao_report_micro.c b/src/kernel/ao_report_micro.c new file mode 100644 index 00000000..0e8e287f --- /dev/null +++ b/src/kernel/ao_report_micro.c @@ -0,0 +1,57 @@ +/* + * Copyright © 2012 Keith Packard <keithp@keithp.com> + * + * This program is free software; you can redistribute it and/or modify + * it under the terms of the GNU General Public License as published by + * the Free Software Foundation; version 2 of the License. + * + * This program is distributed in the hope that it will be useful, but + * WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU + * General Public License for more details. + * + * You should have received a copy of the GNU General Public License along + * with this program; if not, write to the Free Software Foundation, Inc., + * 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA. + */ + +#include <ao.h> + +#define mid(time) ao_led_for(AO_LED_REPORT, time) +#define pause(time) ao_delay(time) + +static void +ao_report_digit(uint8_t digit) __reentrant +{ + if (!digit) { + mid(AO_MS_TO_TICKS(1000)); + pause(AO_MS_TO_TICKS(300)); + } else { + while (digit--) { + mid(AO_MS_TO_TICKS(300)); + pause(AO_MS_TO_TICKS(300)); + } + } + pause(AO_MS_TO_TICKS(1000)); +} + +void +ao_report_altitude(void) +{ + __pdata alt_t agl = ao_max_height; + static __xdata uint8_t digits[11]; + __pdata uint8_t ndigits, i; + + if (agl < 0) + agl = 0; + ndigits = 0; + do { + digits[ndigits++] = agl % 10; + agl /= 10; + } while (agl); + + i = ndigits; + do + ao_report_digit(digits[--i]); + while (i != 0); +} diff --git a/src/kernel/ao_rssi.c b/src/kernel/ao_rssi.c new file mode 100644 index 00000000..244a84fe --- /dev/null +++ b/src/kernel/ao_rssi.c @@ -0,0 +1,53 @@ +/* + * Copyright © 2009 Keith Packard <keithp@keithp.com> + * + * This program is free software; you can redistribute it and/or modify + * it under the terms of the GNU General Public License as published by + * the Free Software Foundation; version 2 of the License. + * + * This program is distributed in the hope that it will be useful, but + * WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU + * General Public License for more details. + * + * You should have received a copy of the GNU General Public License along + * with this program; if not, write to the Free Software Foundation, Inc., + * 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA. + */ + +#include "ao.h" + +static __xdata uint16_t ao_rssi_time; +static __pdata uint16_t ao_rssi_delay; +static __pdata uint8_t ao_rssi_led; + +void +ao_rssi(void) +{ + for (;;) { + while ((int16_t) (ao_time() - ao_rssi_time) > AO_SEC_TO_TICKS(3)) + ao_sleep(&ao_rssi_time); + ao_led_for(ao_rssi_led, AO_MS_TO_TICKS(100)); + ao_delay(ao_rssi_delay); + } +} + +void +ao_rssi_set(int rssi_value) +{ + if (rssi_value > 0) + rssi_value = 0; + ao_rssi_delay = AO_MS_TO_TICKS((-rssi_value) * 5); + ao_rssi_time = ao_time(); + ao_wakeup(&ao_rssi_time); +} + +__xdata struct ao_task ao_rssi_task; + +void +ao_rssi_init(uint8_t rssi_led) +{ + ao_rssi_led = rssi_led; + ao_rssi_delay = 0; + ao_add_task(&ao_rssi_task, ao_rssi, "rssi"); +} diff --git a/src/kernel/ao_sample.c b/src/kernel/ao_sample.c new file mode 100644 index 00000000..34658951 --- /dev/null +++ b/src/kernel/ao_sample.c @@ -0,0 +1,372 @@ +/* + * Copyright © 2011 Keith Packard <keithp@keithp.com> + * + * This program is free software; you can redistribute it and/or modify + * it under the terms of the GNU General Public License as published by + * the Free Software Foundation; version 2 of the License. + * + * This program is distributed in the hope that it will be useful, but + * WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU + * General Public License for more details. + * + * You should have received a copy of the GNU General Public License along + * with this program; if not, write to the Free Software Foundation, Inc., + * 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA. + */ + +#ifndef AO_FLIGHT_TEST +#include "ao.h" +#include <ao_data.h> +#endif + +#if HAS_GYRO +#include <ao_quaternion.h> +#endif + +/* + * Current sensor values + */ + +#ifndef PRES_TYPE +#define PRES_TYPE int32_t +#define ALT_TYPE int32_t +#define ACCEL_TYPE int16_t +#endif + +__pdata uint16_t ao_sample_tick; /* time of last data */ +__pdata pres_t ao_sample_pres; +__pdata alt_t ao_sample_alt; +__pdata alt_t ao_sample_height; +#if HAS_ACCEL +__pdata accel_t ao_sample_accel; +#endif +#if HAS_GYRO +__pdata accel_t ao_sample_accel_along; +__pdata accel_t ao_sample_accel_across; +__pdata accel_t ao_sample_accel_through; +__pdata gyro_t ao_sample_roll; +__pdata gyro_t ao_sample_pitch; +__pdata gyro_t ao_sample_yaw; +__pdata angle_t ao_sample_orient; +#endif + +__data uint8_t ao_sample_data; + +/* + * Sensor calibration values + */ + +__pdata pres_t ao_ground_pres; /* startup pressure */ +__pdata alt_t ao_ground_height; /* MSL of ao_ground_pres */ + +#if HAS_ACCEL +__pdata accel_t ao_ground_accel; /* startup acceleration */ +__pdata accel_t ao_accel_2g; /* factory accel calibration */ +__pdata int32_t ao_accel_scale; /* sensor to m/s² conversion */ +#endif + +#if HAS_GYRO +__pdata accel_t ao_ground_accel_along; +__pdata accel_t ao_ground_accel_across; +__pdata accel_t ao_ground_accel_through; +__pdata int32_t ao_ground_pitch; +__pdata int32_t ao_ground_yaw; +__pdata int32_t ao_ground_roll; +#endif + +static __pdata uint8_t ao_preflight; /* in preflight mode */ + +static __pdata uint16_t nsamples; +__pdata int32_t ao_sample_pres_sum; +#if HAS_ACCEL +__pdata int32_t ao_sample_accel_sum; +#endif +#if HAS_GYRO +__pdata int32_t ao_sample_accel_along_sum; +__pdata int32_t ao_sample_accel_across_sum; +__pdata int32_t ao_sample_accel_through_sum; +__pdata int32_t ao_sample_pitch_sum; +__pdata int32_t ao_sample_yaw_sum; +__pdata int32_t ao_sample_roll_sum; +static struct ao_quaternion ao_rotation; +#endif + +#if HAS_FLIGHT_DEBUG +extern uint8_t ao_orient_test; +#endif + +static void +ao_sample_preflight_add(void) +{ +#if HAS_ACCEL + ao_sample_accel_sum += ao_sample_accel; +#endif + ao_sample_pres_sum += ao_sample_pres; +#if HAS_GYRO + ao_sample_accel_along_sum += ao_sample_accel_along; + ao_sample_accel_across_sum += ao_sample_accel_across; + ao_sample_accel_through_sum += ao_sample_accel_through; + ao_sample_pitch_sum += ao_sample_pitch; + ao_sample_yaw_sum += ao_sample_yaw; + ao_sample_roll_sum += ao_sample_roll; +#endif + ++nsamples; +} + +static void +ao_sample_preflight_set(void) +{ +#if HAS_ACCEL + ao_ground_accel = ao_sample_accel_sum >> 9; + ao_sample_accel_sum = 0; +#endif + ao_ground_pres = ao_sample_pres_sum >> 9; + ao_ground_height = pres_to_altitude(ao_ground_pres); + ao_sample_pres_sum = 0; +#if HAS_GYRO + ao_ground_accel_along = ao_sample_accel_along_sum >> 9; + ao_ground_accel_across = ao_sample_accel_across_sum >> 9; + ao_ground_accel_through = ao_sample_accel_through_sum >> 9; + ao_ground_pitch = ao_sample_pitch_sum; + ao_ground_yaw = ao_sample_yaw_sum; + ao_ground_roll = ao_sample_roll_sum; + ao_sample_accel_along_sum = 0; + ao_sample_accel_across_sum = 0; + ao_sample_accel_through_sum = 0; + ao_sample_pitch_sum = 0; + ao_sample_yaw_sum = 0; + ao_sample_roll_sum = 0; + ao_sample_orient = 0; + + struct ao_quaternion orient; + + /* Take the pad IMU acceleration values and compute our current direction + */ + + ao_quaternion_init_vector(&orient, + (ao_ground_accel_across - ao_config.accel_zero_across), + (ao_ground_accel_through - ao_config.accel_zero_through), + (ao_ground_accel_along - ao_config.accel_zero_along)); + + ao_quaternion_normalize(&orient, + &orient); + + /* Here's up */ + + struct ao_quaternion up = { .r = 0, .x = 0, .y = 0, .z = 1 }; + + if (ao_config.pad_orientation != AO_PAD_ORIENTATION_ANTENNA_UP) + up.z = -1; + + /* Compute rotation to get from up to our current orientation, set + * that as the current rotation vector + */ + ao_quaternion_vectors_to_rotation(&ao_rotation, &up, &orient); +#if HAS_FLIGHT_DEBUG + if (ao_orient_test) + printf("\n\treset\n"); +#endif +#endif + nsamples = 0; +} + +#if HAS_GYRO + +#define TIME_DIV 200.0f + +static void +ao_sample_rotate(void) +{ +#ifdef AO_FLIGHT_TEST + float dt = (ao_sample_tick - ao_sample_prev_tick) / TIME_DIV; +#else + static const float dt = 1/TIME_DIV; +#endif + float x = ao_mpu6000_gyro((float) ((ao_sample_pitch << 9) - ao_ground_pitch) / 512.0f) * dt; + float y = ao_mpu6000_gyro((float) ((ao_sample_yaw << 9) - ao_ground_yaw) / 512.0f) * dt; + float z = ao_mpu6000_gyro((float) ((ao_sample_roll << 9) - ao_ground_roll) / 512.0f) * dt; + struct ao_quaternion rot; + + ao_quaternion_init_half_euler(&rot, x, y, z); + ao_quaternion_multiply(&ao_rotation, &rot, &ao_rotation); + + /* And normalize to make sure it remains a unit vector */ + ao_quaternion_normalize(&ao_rotation, &ao_rotation); + + /* Compute pitch angle from vertical by taking the pad + * orientation vector and rotating it by the current total + * rotation value. That will be a unit vector pointing along + * the airframe axis. The Z value will be the cosine of the + * change in the angle from vertical since boost. + * + * rot = ao_rotation * vertical * ao_rotation° + * rot = ao_rotation * (0,0,0,1) * ao_rotation° + * = ((a.z, a.y, -a.x, a.r) * (a.r, -a.x, -a.y, -a.z)) .z + * + * = (-a.z * -a.z) + (a.y * -a.y) - (-a.x * -a.x) + (a.r * a.r) + * = a.z² - a.y² - a.x² + a.r² + * + * rot = ao_rotation * (0, 0, 0, -1) * ao_rotation° + * = ((-a.z, -a.y, a.x, -a.r) * (a.r, -a.x, -a.y, -a.z)) .z + * + * = (a.z * -a.z) + (-a.y * -a.y) - (a.x * -a.x) + (-a.r * a.r) + * = -a.z² + a.y² + a.x² - a.r² + */ + + float rotz; + rotz = ao_rotation.z * ao_rotation.z - ao_rotation.y * ao_rotation.y - ao_rotation.x * ao_rotation.x + ao_rotation.r * ao_rotation.r; + + ao_sample_orient = acosf(rotz) * (float) (180.0/M_PI); + +#if HAS_FLIGHT_DEBUG + if (ao_orient_test) { + printf ("rot %d %d %d orient %d \r", + (int) (x * 1000), + (int) (y * 1000), + (int) (z * 1000), + ao_sample_orient); + } +#endif + +} +#endif + +static void +ao_sample_preflight(void) +{ + /* startup state: + * + * Collect 512 samples of acceleration and pressure + * data and average them to find the resting values + */ + if (nsamples < 512) { + ao_sample_preflight_add(); + } else { +#if HAS_ACCEL + ao_accel_2g = ao_config.accel_minus_g - ao_config.accel_plus_g; + ao_accel_scale = to_fix32(GRAVITY * 2 * 16) / ao_accel_2g; +#endif + ao_sample_preflight_set(); + ao_preflight = FALSE; + } +} + +/* + * While in pad mode, constantly update the ground state by + * re-averaging the data. This tracks changes in orientation, which + * might be caused by adjustments to the rocket on the pad and + * pressure, which might be caused by changes in the weather. + */ + +static void +ao_sample_preflight_update(void) +{ + if (nsamples < 512) + ao_sample_preflight_add(); + else if (nsamples < 1024) + ++nsamples; + else + ao_sample_preflight_set(); +} + +#if 0 +#if HAS_GYRO +static int32_t p_filt; +static int32_t y_filt; + +static gyro_t inline ao_gyro(void) { + gyro_t p = ao_sample_pitch - ao_ground_pitch; + gyro_t y = ao_sample_yaw - ao_ground_yaw; + + p_filt = p_filt - (p_filt >> 6) + p; + y_filt = y_filt - (y_filt >> 6) + y; + + p = p_filt >> 6; + y = y_filt >> 6; + return ao_sqrt(p*p + y*y); +} +#endif +#endif + +uint8_t +ao_sample(void) +{ + ao_wakeup(DATA_TO_XDATA(&ao_sample_data)); + ao_sleep((void *) DATA_TO_XDATA(&ao_data_head)); + while (ao_sample_data != ao_data_head) { + __xdata struct ao_data *ao_data; + + /* Capture a sample */ + ao_data = (struct ao_data *) &ao_data_ring[ao_sample_data]; + ao_sample_tick = ao_data->tick; + +#if HAS_BARO + ao_data_pres_cook(ao_data); + ao_sample_pres = ao_data_pres(ao_data); + ao_sample_alt = pres_to_altitude(ao_sample_pres); + ao_sample_height = ao_sample_alt - ao_ground_height; +#endif + +#if HAS_ACCEL + ao_sample_accel = ao_data_accel_cook(ao_data); + if (ao_config.pad_orientation != AO_PAD_ORIENTATION_ANTENNA_UP) + ao_sample_accel = ao_data_accel_invert(ao_sample_accel); + ao_data_set_accel(ao_data, ao_sample_accel); +#endif +#if HAS_GYRO + ao_sample_accel_along = ao_data_along(ao_data); + ao_sample_accel_across = ao_data_across(ao_data); + ao_sample_accel_through = ao_data_through(ao_data); + ao_sample_pitch = ao_data_pitch(ao_data); + ao_sample_yaw = ao_data_yaw(ao_data); + ao_sample_roll = ao_data_roll(ao_data); +#endif + + if (ao_preflight) + ao_sample_preflight(); + else { + if (ao_flight_state < ao_flight_boost) + ao_sample_preflight_update(); + ao_kalman(); +#if HAS_GYRO + ao_sample_rotate(); +#endif + } +#ifdef AO_FLIGHT_TEST + ao_sample_prev_tick = ao_sample_tick; +#endif + ao_sample_data = ao_data_ring_next(ao_sample_data); + } + return !ao_preflight; +} + +void +ao_sample_init(void) +{ + ao_config_get(); + nsamples = 0; + ao_sample_pres_sum = 0; + ao_sample_pres = 0; +#if HAS_ACCEL + ao_sample_accel_sum = 0; + ao_sample_accel = 0; +#endif +#if HAS_GYRO + ao_sample_accel_along_sum = 0; + ao_sample_accel_across_sum = 0; + ao_sample_accel_through_sum = 0; + ao_sample_accel_along = 0; + ao_sample_accel_across = 0; + ao_sample_accel_through = 0; + ao_sample_pitch_sum = 0; + ao_sample_yaw_sum = 0; + ao_sample_roll_sum = 0; + ao_sample_pitch = 0; + ao_sample_yaw = 0; + ao_sample_roll = 0; + ao_sample_orient = 0; +#endif + ao_sample_data = ao_data_head; + ao_preflight = TRUE; +} diff --git a/src/kernel/ao_sample.h b/src/kernel/ao_sample.h new file mode 100644 index 00000000..16d4c507 --- /dev/null +++ b/src/kernel/ao_sample.h @@ -0,0 +1,156 @@ +/* + * Copyright © 2012 Keith Packard <keithp@keithp.com> + * + * This program is free software; you can redistribute it and/or modify + * it under the terms of the GNU General Public License as published by + * the Free Software Foundation; version 2 of the License. + * + * This program is distributed in the hope that it will be useful, but + * WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU + * General Public License for more details. + * + * You should have received a copy of the GNU General Public License along + * with this program; if not, write to the Free Software Foundation, Inc., + * 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA. + */ + +#ifndef _AO_SAMPLE_H_ +#define _AO_SAMPLE_H_ + +#include <ao_data.h> + +/* + * ao_sample.c + */ + +/* + * Barometer calibration + * + * We directly sample the barometer. The specs say: + * + * Pressure range: 15-115 kPa + * Voltage at 115kPa: 2.82 + * Output scale: 27mV/kPa + * + * If we want to detect launch with the barometer, we need + * a large enough bump to not be fooled by noise. At typical + * launch elevations (0-2000m), a 200Pa pressure change cooresponds + * to about a 20m elevation change. This is 5.4mV, or about 3LSB. + * As all of our calculations are done in 16 bits, we'll actually see a change + * of 16 times this though + * + * 27 mV/kPa * 32767 / 3300 counts/mV = 268.1 counts/kPa + */ + +/* Accelerometer calibration + * + * We're sampling the accelerometer through a resistor divider which + * consists of 5k and 10k resistors. This multiplies the values by 2/3. + * That goes into the cc1111 A/D converter, which is running at 11 bits + * of precision with the bits in the MSB of the 16 bit value. Only positive + * values are used, so values should range from 0-32752 for 0-3.3V. The + * specs say we should see 40mV/g (uncalibrated), multiply by 2/3 for what + * the A/D converter sees (26.67 mV/g). We should see 32752/3300 counts/mV, + * for a final computation of: + * + * 26.67 mV/g * 32767/3300 counts/mV = 264.8 counts/g + * + * Zero g was measured at 16000 (we would expect 16384). + * Note that this value is only require to tell if the + * rocket is standing upright. Once that is determined, + * the value of the accelerometer is averaged for 100 samples + * to find the resting accelerometer value, which is used + * for all further flight computations + */ + +/* + * Above this height, the baro sensor doesn't work + */ +#if HAS_MS5607 +#define AO_MAX_BARO_HEIGHT 30000 +#else +#define AO_MAX_BARO_HEIGHT 12000 +#endif + +/* + * Above this speed, baro measurements are unreliable + */ +#define AO_MAX_BARO_SPEED 200 + +#define ACCEL_NOSE_UP (ao_accel_2g >> 2) + +/* + * Speed and acceleration are scaled by 16 to provide a bit more + * resolution while still having reasonable range. Note that this + * limits speed to 2047m/s (around mach 6) and acceleration to + * 2047m/s² (over 200g) + */ + +#define AO_M_TO_HEIGHT(m) ((int16_t) (m)) +#define AO_MS_TO_SPEED(ms) ((int16_t) ((ms) * 16)) +#define AO_MSS_TO_ACCEL(mss) ((int16_t) ((mss) * 16)) + +extern __pdata uint16_t ao_sample_tick; /* time of last data */ +extern __data uint8_t ao_sample_adc; /* Ring position of last processed sample */ +extern __data uint8_t ao_sample_data; /* Ring position of last processed sample */ + +#if HAS_BARO +extern __pdata pres_t ao_sample_pres; /* most recent pressure sensor reading */ +extern __pdata alt_t ao_sample_alt; /* MSL of ao_sample_pres */ +extern __pdata alt_t ao_sample_height; /* AGL of ao_sample_pres */ +extern __pdata pres_t ao_ground_pres; /* startup pressure */ +extern __pdata alt_t ao_ground_height; /* MSL of ao_ground_pres */ +#endif + +#if HAS_ACCEL +extern __pdata accel_t ao_sample_accel; /* most recent accel sensor reading */ +extern __pdata accel_t ao_ground_accel; /* startup acceleration */ +extern __pdata accel_t ao_accel_2g; /* factory accel calibration */ +extern __pdata int32_t ao_accel_scale; /* sensor to m/s² conversion */ +#endif +#if HAS_GYRO +extern __pdata accel_t ao_ground_accel_along; +extern __pdata accel_t ao_ground_accel_across; +extern __pdata accel_t ao_ground_accel_through; +extern __pdata int32_t ao_ground_pitch; /* * 512 */ +extern __pdata int32_t ao_ground_yaw; /* * 512 */ +extern __pdata int32_t ao_ground_roll; /* * 512 */ +extern __pdata accel_t ao_sample_accel_along; +extern __pdata accel_t ao_sample_accel_across; +extern __pdata accel_t ao_sample_accel_through; +extern __pdata gyro_t ao_sample_roll; +extern __pdata gyro_t ao_sample_pitch; +extern __pdata gyro_t ao_sample_yaw; +extern __pdata angle_t ao_sample_orient; +#endif + +void ao_sample_init(void); + +/* returns FALSE in preflight mode, TRUE in flight mode */ +uint8_t ao_sample(void); + +/* + * ao_kalman.c + */ + +#define to_fix16(x) ((int16_t) ((x) * 65536.0 + 0.5)) +#define to_fix32(x) ((int32_t) ((x) * 65536.0 + 0.5)) +#define from_fix(x) ((x) >> 16) + +extern __pdata int16_t ao_height; /* meters */ +extern __pdata int16_t ao_speed; /* m/s * 16 */ +extern __pdata int16_t ao_accel; /* m/s² * 16 */ +extern __xdata int16_t ao_max_height; /* max of ao_height */ +extern __xdata int16_t ao_avg_height; /* running average of height */ + +extern __pdata int16_t ao_error_h; +extern __pdata int16_t ao_error_h_sq_avg; + +#if HAS_ACCEL +extern __pdata int16_t ao_error_a; +#endif + +void ao_kalman(void); + +#endif /* _AO_SAMPLE_H_ */ diff --git a/src/kernel/ao_sample_profile.c b/src/kernel/ao_sample_profile.c new file mode 100644 index 00000000..d3743d12 --- /dev/null +++ b/src/kernel/ao_sample_profile.c @@ -0,0 +1,173 @@ +/* + * Copyright © 2012 Keith Packard <keithp@keithp.com> + * + * This program is free software; you can redistribute it and/or modify + * it under the terms of the GNU General Public License as published by + * the Free Software Foundation; version 2 of the License. + * + * This program is distributed in the hope that it will be useful, but + * WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU + * General Public License for more details. + * + * You should have received a copy of the GNU General Public License along + * with this program; if not, write to the Free Software Foundation, Inc., + * 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA. + */ + +#include <ao.h> +#include <ao_sample_profile.h> +#include <ao_task.h> + +#ifndef AO_SAMPLE_PROFILE_LOW_PC +#define AO_SAMPLE_PROFILE_LOW_PC 0x08002000 +#endif + +#ifndef AO_SAMPLE_PROFILE_HIGH_PC +#define AO_SAMPLE_PROFILE_HIGH_PC 0x0800f000 +#endif + +#ifndef AO_SAMPLE_PROFILE_SHIFT +#define AO_SAMPLE_PROFILE_SHIFT 6 +#endif + +#define AO_SAMPLE_PROFILE_RANGE (AO_SAMPLE_PROFILE_HIGH_PC - AO_SAMPLE_PROFILE_LOW_PC) +#define AO_SAMPLE_PROFILE_NUM (AO_SAMPLE_PROFILE_RANGE >> AO_SAMPLE_PROFILE_SHIFT) + +static uint16_t prev_tick; +static uint16_t samples[AO_SAMPLE_PROFILE_NUM]; +static uint8_t missed[AO_SAMPLE_PROFILE_NUM/8]; +static uint16_t max_miss; +static uint32_t task, isr, os, idle; + +extern uint8_t ao_idle_loc; + +void +ao_sample_profile_point(uint32_t pc, uint16_t tick, uint8_t in_isr) +{ + uint16_t delta = tick - prev_tick; + + if (pc < AO_SAMPLE_PROFILE_LOW_PC) + return; + if (pc >= AO_SAMPLE_PROFILE_HIGH_PC) + return; + if (ao_cur_task) { + uint8_t *sp; + int32_t sp_delta; + + asm("mov %0,sp" : "=&r" (sp)); + sp_delta = sp - (uint8_t *) ao_cur_task->stack; + if (-96 < sp_delta && sp_delta < 16) + ao_panic(AO_PANIC_STACK); + } + + if (in_isr) + isr += delta; + else if (ao_cur_task) { + ao_cur_task->ticks += delta; + task += delta; + } else if (pc == (uint32_t) &ao_idle_loc) + idle += delta; + else + os += delta; + + pc -= AO_SAMPLE_PROFILE_LOW_PC; + pc >>= AO_SAMPLE_PROFILE_SHIFT; + samples[pc] += delta; + + if (delta > 1) + missed[pc >> 3] |= (1 << (pc & 7)); + if (delta > max_miss) + max_miss = delta; + prev_tick = tick; +} + +static void +ao_sample_profile_start(void) +{ + prev_tick = ao_sample_profile_timer_start(); +} + +static void +ao_sample_profile_stop(void) +{ + ao_sample_profile_timer_stop(); +} + +static void +ao_sample_profile_dump(void) +{ + uint16_t a; + uint8_t t; + + printf ("task %6d\n", task); + printf ("isr %6d\n", isr); + printf ("os %6d\n", os); + printf ("idle %6d\n", idle); + printf ("irq blocked %d\n", max_miss); + for (t = 0; t < ao_num_tasks; t++) + printf ("task %6d %6d %6d %s\n", + ao_tasks[t]->ticks, + ao_tasks[t]->yields, + ao_tasks[t]->max_run, + ao_tasks[t]->name); + for (a = 0; a < AO_SAMPLE_PROFILE_NUM; a++) { + if (samples[a]) + printf ("%04x %c %u\n", + (a << AO_SAMPLE_PROFILE_SHIFT) + AO_SAMPLE_PROFILE_LOW_PC, + missed[a >> 3] & (1 << (a & 7)) ? '*' : ' ', + samples[a]); + } +} + +static void +ao_sample_profile_clear(void) +{ + int t; + + task = isr = os = idle = 0; + max_miss = 0; + memset(samples, '\0', sizeof (samples)); + memset(missed, '\0', sizeof (missed)); + for (t = 0; t < ao_num_tasks; t++) { + ao_tasks[t]->ticks = 0; + ao_tasks[t]->yields = 0; + ao_tasks[t]->max_run = 0; + } +} + +static void +ao_sample_profile_cmd(void) +{ + ao_cmd_white(); + switch (ao_cmd_lex_c) { + case '1': + ao_sample_profile_start(); + break; + case '0': + ao_sample_profile_stop(); + break; + case 'd': + ao_sample_profile_dump(); + break; + case 'c': + ao_sample_profile_clear(); + break; + default: + ao_cmd_status = ao_cmd_syntax_error; + break; + } +} + +static __code struct ao_cmds ao_sample_profile_cmds[] = { + { ao_sample_profile_cmd, "S <1 start,0 stop, d dump,c clear>\0Sample profile" }, + { 0, NULL } +}; + +void +ao_sample_profile_init(void) +{ + ao_sample_profile_timer_init(); + ao_cmd_register(&ao_sample_profile_cmds[0]); + ao_sample_profile_clear(); +} diff --git a/src/kernel/ao_sample_profile.h b/src/kernel/ao_sample_profile.h new file mode 100644 index 00000000..dbc29d3d --- /dev/null +++ b/src/kernel/ao_sample_profile.h @@ -0,0 +1,29 @@ +/* + * Copyright © 2012 Keith Packard <keithp@keithp.com> + * + * This program is free software; you can redistribute it and/or modify + * it under the terms of the GNU General Public License as published by + * the Free Software Foundation; version 2 of the License. + * + * This program is distributed in the hope that it will be useful, but + * WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU + * General Public License for more details. + * + * You should have received a copy of the GNU General Public License along + * with this program; if not, write to the Free Software Foundation, Inc., + * 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA. + */ + +#ifndef _AO_SAMPLE_PROFILE_H_ +#define _AO_SAMPLE_PROFILE_H_ + +#include <ao_sample_profile_timer.h> + +void +ao_sample_profile_point(uint32_t pc, uint16_t tick, uint8_t in_isr); + +void +ao_sample_profile_init(void); + +#endif /* _AO_SAMPLE_PROFILE_H_ */ diff --git a/src/kernel/ao_send_packet.c b/src/kernel/ao_send_packet.c new file mode 100644 index 00000000..66315d22 --- /dev/null +++ b/src/kernel/ao_send_packet.c @@ -0,0 +1,58 @@ +/* + * Copyright © 2012 Keith Packard <keithp@keithp.com> + * + * This program is free software; you can redistribute it and/or modify + * it under the terms of the GNU General Public License as published by + * the Free Software Foundation; version 2 of the License. + * + * This program is distributed in the hope that it will be useful, but + * WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU + * General Public License for more details. + * + * You should have received a copy of the GNU General Public License along + * with this program; if not, write to the Free Software Foundation, Inc., + * 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA. + */ + +#include "ao.h" + +#define AO_MAX_SEND 128 + +static __xdata uint8_t ao_send[AO_MAX_SEND]; + +static void +ao_send_packet(void) +{ + __pdata uint16_t count; + uint8_t b; + __pdata uint8_t i; + + ao_cmd_hex(); + count = ao_cmd_lex_i; + if (ao_cmd_status != ao_cmd_success) + return; + if (count > AO_MAX_SEND - 2) { + ao_cmd_status = ao_cmd_syntax_error; + return; + } + for (i = 0; i < count; i++) { + b = ao_getnibble() << 4; + b |= ao_getnibble(); + if (ao_cmd_status != ao_cmd_success) + return; + ao_send[i] = b; + } + ao_radio_send(ao_send, count); +} + +static __code struct ao_cmds ao_send_packet_cmds[] = { + { ao_send_packet, "S <len>\0Send packet. Data on next line" }, + { 0, NULL } +}; + +void +ao_send_packet_init(void) +{ + ao_cmd_register(&ao_send_packet_cmds[0]); +} diff --git a/src/kernel/ao_send_packet.h b/src/kernel/ao_send_packet.h new file mode 100644 index 00000000..526f7b55 --- /dev/null +++ b/src/kernel/ao_send_packet.h @@ -0,0 +1,24 @@ +/* + * Copyright © 2012 Keith Packard <keithp@keithp.com> + * + * This program is free software; you can redistribute it and/or modify + * it under the terms of the GNU General Public License as published by + * the Free Software Foundation; version 2 of the License. + * + * This program is distributed in the hope that it will be useful, but + * WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU + * General Public License for more details. + * + * You should have received a copy of the GNU General Public License along + * with this program; if not, write to the Free Software Foundation, Inc., + * 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA. + */ + +#ifndef _AO_SEND_PACKET_H_ +#define _AO_SEND_PACKET_H_ + +void +ao_send_packet_init(void); + +#endif /* _AO_SEND_PACKET_H_ */ diff --git a/src/kernel/ao_serial.h b/src/kernel/ao_serial.h new file mode 100644 index 00000000..baf213c0 --- /dev/null +++ b/src/kernel/ao_serial.h @@ -0,0 +1,110 @@ +/* + * Copyright © 2012 Keith Packard <keithp@keithp.com> + * + * This program is free software; you can redistribute it and/or modify + * it under the terms of the GNU General Public License as published by + * the Free Software Foundation; version 2 of the License. + * + * This program is distributed in the hope that it will be useful, but + * WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU + * General Public License for more details. + * + * You should have received a copy of the GNU General Public License along + * with this program; if not, write to the Free Software Foundation, Inc., + * 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA. + */ + +#ifndef _AO_SERIAL_H_ +#define _AO_SERIAL_H_ + +#define AO_SERIAL_SPEED_4800 0 +#define AO_SERIAL_SPEED_9600 1 +#define AO_SERIAL_SPEED_19200 2 +#define AO_SERIAL_SPEED_57600 3 +#define AO_SERIAL_SPEED_115200 4 + +#if HAS_SERIAL_0 +extern volatile __xdata struct ao_fifo ao_serial0_rx_fifo; +extern volatile __xdata struct ao_fifo ao_serial0_tx_fifo; + +char +ao_serial0_getchar(void); + +int +_ao_serial0_pollchar(void); + +void +ao_serial0_putchar(char c); + +void +ao_serial0_drain(void); + +void +ao_serial0_set_speed(uint8_t speed); +#endif + +#if HAS_SERIAL_1 +extern volatile __xdata struct ao_fifo ao_serial1_rx_fifo; +extern volatile __xdata struct ao_fifo ao_serial1_tx_fifo; + +char +ao_serial1_getchar(void); + +int +_ao_serial1_pollchar(void); + +void +ao_serial1_putchar(char c); + +void +ao_serial1_drain(void); + +void +ao_serial1_set_speed(uint8_t speed); +#endif + +#if HAS_SERIAL_2 +extern volatile __xdata struct ao_fifo ao_serial2_rx_fifo; +extern volatile __xdata struct ao_fifo ao_serial2_tx_fifo; + +char +ao_serial2_getchar(void); + +int +_ao_serial2_pollchar(void); + +void +ao_serial2_putchar(char c); + +void +ao_serial2_drain(void); + +void +ao_serial2_set_speed(uint8_t speed); +#endif + +#if HAS_SERIAL_3 +extern volatile __xdata struct ao_fifo ao_serial3_rx_fifo; +extern volatile __xdata struct ao_fifo ao_serial3_tx_fifo; + +char +ao_serial3_getchar(void); + +int +_ao_serial3_pollchar(void); + +void +ao_serial3_putchar(char c); + +void +ao_serial3_drain(void); + +void +ao_serial3_set_speed(uint8_t speed); +#endif + +void +ao_serial_init(void); + +#endif /* _AO_SERIAL_H_ */ diff --git a/src/kernel/ao_sqrt.c b/src/kernel/ao_sqrt.c new file mode 100644 index 00000000..3a550eaa --- /dev/null +++ b/src/kernel/ao_sqrt.c @@ -0,0 +1,48 @@ +/* + * Copyright © 2011 Keith Packard <keithp@keithp.com> + * + * This program is free software; you can redistribute it and/or modify + * it under the terms of the GNU General Public License as published by + * the Free Software Foundation; version 2 of the License. + * + * This program is distributed in the hope that it will be useful, but + * WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU + * General Public License for more details. + * + * You should have received a copy of the GNU General Public License along + * with this program; if not, write to the Free Software Foundation, Inc., + * 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA. + */ + +#ifndef AO_FLIGHT_TEST +#include "ao.h" +#endif + +/* Adapted from int_sqrt.c in the linux kernel, which is licensed GPLv2 */ +/** + * int_sqrt - rough approximation to sqrt + * @x: integer of which to calculate the sqrt + * + * A very rough approximation to the sqrt() function. + */ + +uint32_t +ao_sqrt(uint32_t op) +{ + uint32_t res = 0; + uint32_t one = 1UL << (sizeof (one) * 8 - 2); + + while (one > op) + one >>= 2; + + while (one != 0) { + if (op >= res + one) { + op = op - (res + one); + res = res + 2 * one; + } + res /= 2; + one /= 4; + } + return res; +} diff --git a/src/kernel/ao_state.c b/src/kernel/ao_state.c new file mode 100644 index 00000000..ed197aa5 --- /dev/null +++ b/src/kernel/ao_state.c @@ -0,0 +1,23 @@ +/* + * Copyright © 2009 Keith Packard <keithp@keithp.com> + * + * This program is free software; you can redistribute it and/or modify + * it under the terms of the GNU General Public License as published by + * the Free Software Foundation; version 2 of the License. + * + * This program is distributed in the hope that it will be useful, but + * WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU + * General Public License for more details. + * + * You should have received a copy of the GNU General Public License along + * with this program; if not, write to the Free Software Foundation, Inc., + * 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA. + */ + +#include "ao.h" + +const char const * const ao_state_names[] = { + "startup", "idle", "pad", "boost", "fast", + "coast", "drogue", "main", "landed", "invalid" +}; diff --git a/src/kernel/ao_stdio.c b/src/kernel/ao_stdio.c new file mode 100644 index 00000000..99118137 --- /dev/null +++ b/src/kernel/ao_stdio.c @@ -0,0 +1,158 @@ +/* + * Copyright © 2009 Keith Packard <keithp@keithp.com> + * + * This program is free software; you can redistribute it and/or modify + * it under the terms of the GNU General Public License as published by + * the Free Software Foundation; version 2 of the License. + * + * This program is distributed in the hope that it will be useful, but + * WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU + * General Public License for more details. + * + * You should have received a copy of the GNU General Public License along + * with this program; if not, write to the Free Software Foundation, Inc., + * 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA. + */ + +#include "ao.h" + +/* + * Basic I/O functions to support SDCC stdio package + */ + +#ifndef USE_SERIAL_0_STDIN +#define USE_SERIAL_0_STDIN 0 +#endif +#ifndef USE_SERIAL_1_STDIN +#define USE_SERIAL_1_STDIN 0 +#endif +#ifndef USE_SERIAL_2_STDIN +#define USE_SERIAL_2_STDIN 0 +#endif +#ifndef USE_SERIAL_3_STDIN +#define USE_SERIAL_3_STDIN 0 +#endif +#ifndef USE_SERIAL_4_STDIN +#define USE_SERIAL_4_STDIN 0 +#endif +#ifndef USE_SERIAL_5_STDIN +#define USE_SERIAL_5_STDIN 0 +#endif +#ifndef USE_SERIAL_6_STDIN +#define USE_SERIAL_6_STDIN 0 +#endif +#ifndef USE_SERIAL_7_STDIN +#define USE_SERIAL_7_STDIN 0 +#endif +#ifndef USE_SERIAL_8_STDIN +#define USE_SERIAL_8_STDIN 0 +#endif +#ifndef USE_SERIAL_9_STDIN +#define USE_SERIAL_9_STDIN 0 +#endif +#ifndef PACKET_HAS_SLAVE +#define PACKET_HAS_SLAVE 0 +#endif + +#define USE_SERIAL_STDIN (USE_SERIAL_0_STDIN + \ + USE_SERIAL_1_STDIN + \ + USE_SERIAL_2_STDIN + \ + USE_SERIAL_3_STDIN + \ + USE_SERIAL_4_STDIN + \ + USE_SERIAL_5_STDIN + \ + USE_SERIAL_6_STDIN + \ + USE_SERIAL_7_STDIN + \ + USE_SERIAL_8_STDIN + \ + USE_SERIAL_9_STDIN) + +#define AO_NUM_STDIOS (HAS_USB + PACKET_HAS_SLAVE + USE_SERIAL_STDIN) + +__xdata struct ao_stdio ao_stdios[AO_NUM_STDIOS]; + +#if AO_NUM_STDIOS > 1 +__pdata int8_t ao_cur_stdio; +__pdata int8_t ao_num_stdios; +#else +__pdata int8_t ao_cur_stdio; +#define ao_cur_stdio 0 +#define ao_num_stdios 0 +#endif + +void +putchar(char c) +{ +#if LOW_LEVEL_DEBUG + if (!ao_cur_task) { + extern void ao_debug_out(char c); + if (c == '\n') + ao_debug_out('\r'); + ao_debug_out(c); + return; + } +#endif + if (c == '\n') + (*ao_stdios[ao_cur_stdio].putchar)('\r'); + (*ao_stdios[ao_cur_stdio].putchar)(c); +} + +void +flush(void) +{ + if (ao_stdios[ao_cur_stdio].flush) + ao_stdios[ao_cur_stdio].flush(); +} + +__xdata uint8_t ao_stdin_ready; + +char +getchar(void) __reentrant +{ + int c; + int8_t stdio; + + ao_arch_block_interrupts(); + stdio = ao_cur_stdio; + for (;;) { + c = ao_stdios[stdio]._pollchar(); + if (c != AO_READ_AGAIN) + break; +#if AO_NUM_STDIOS > 1 + if (++stdio == ao_num_stdios) + stdio = 0; + if (stdio == ao_cur_stdio) +#endif + ao_sleep(&ao_stdin_ready); + } +#if AO_NUM_STDIOS > 1 + ao_cur_stdio = stdio; +#endif + ao_arch_release_interrupts(); + return c; +} + +uint8_t +ao_echo(void) +{ + return ao_stdios[ao_cur_stdio].echo; +} + +int8_t +ao_add_stdio(int (*_pollchar)(void), + void (*putchar)(char), + void (*flush)(void)) __reentrant +{ +#if AO_NUM_STDIOS > 1 + if (ao_num_stdios == AO_NUM_STDIOS) + ao_panic(AO_PANIC_STDIO); +#endif + ao_stdios[ao_num_stdios]._pollchar = _pollchar; + ao_stdios[ao_num_stdios].putchar = putchar; + ao_stdios[ao_num_stdios].flush = flush; + ao_stdios[ao_num_stdios].echo = 1; +#if AO_NUM_STDIOS > 1 + return ao_num_stdios++; +#else + return 0; +#endif +} diff --git a/src/kernel/ao_storage.c b/src/kernel/ao_storage.c new file mode 100644 index 00000000..6eddae7f --- /dev/null +++ b/src/kernel/ao_storage.c @@ -0,0 +1,186 @@ +/* + * Copyright © 2011 Keith Packard <keithp@keithp.com> + * + * This program is free software; you can redistribute it and/or modify + * it under the terms of the GNU General Public License as published by + * the Free Software Foundation; version 2 of the License. + * + * This program is distributed in the hope that it will be useful, but + * WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU + * General Public License for more details. + * + * You should have received a copy of the GNU General Public License along + * with this program; if not, write to the Free Software Foundation, Inc., + * 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA. + */ + +#include <ao.h> +#include <ao_storage.h> + +uint8_t +ao_storage_read(ao_pos_t pos, __xdata void *buf, uint16_t len) __reentrant +{ + uint16_t this_len; + uint16_t this_off; + + ao_storage_setup(); + if (pos >= ao_storage_total || pos + len > ao_storage_total) + return 0; + while (len) { + + /* Compute portion of transfer within + * a single block + */ + this_off = (uint16_t) pos & (ao_storage_unit - 1); + this_len = ao_storage_unit - this_off; + if (this_len > len) + this_len = len; + + if (!ao_storage_device_read(pos, buf, this_len)) + return 0; + + /* See how much is left */ + buf += this_len; + len -= this_len; + pos += this_len; + } + return 1; +} + +uint8_t +ao_storage_write(ao_pos_t pos, __xdata void *buf, uint16_t len) __reentrant +{ + uint16_t this_len; + uint16_t this_off; + + ao_storage_setup(); + if (pos >= ao_storage_total || pos + len > ao_storage_total) + return 0; + while (len) { + + /* Compute portion of transfer within + * a single block + */ + this_off = (uint16_t) pos & (ao_storage_unit - 1); + this_len = ao_storage_unit - this_off; + if (this_len > len) + this_len = len; + + if (!ao_storage_device_write(pos, buf, this_len)) + return 0; + + /* See how much is left */ + buf += this_len; + len -= this_len; + pos += this_len; + } + return 1; +} + +static __xdata uint8_t storage_data[8]; + +static void +ao_storage_dump(void) __reentrant +{ + uint8_t i, j; + + ao_cmd_hex(); + if (ao_cmd_status != ao_cmd_success) + return; + for (i = 0; ; i += 8) { + if (ao_storage_read(((uint32_t) (ao_cmd_lex_i) << 8) + i, + storage_data, + 8)) { + ao_cmd_put16((uint16_t) i); + for (j = 0; j < 8; j++) { + putchar(' '); + ao_cmd_put8(storage_data[j]); + } + putchar ('\n'); + } + if (i == 248) + break; + } +} + +#if HAS_STORAGE_DEBUG + +/* not enough space for this today + */ +static void +ao_storage_store(void) __reentrant +{ + uint16_t block; + uint8_t i; + uint16_t len; + static __xdata uint8_t b; + uint32_t addr; + + ao_cmd_hex(); + block = ao_cmd_lex_i; + ao_cmd_hex(); + i = ao_cmd_lex_i; + addr = ((uint32_t) block << 8) | i; + ao_cmd_hex(); + len = ao_cmd_lex_i; + if (ao_cmd_status != ao_cmd_success) + return; + while (len--) { + ao_cmd_hex(); + if (ao_cmd_status != ao_cmd_success) + return; + b = ao_cmd_lex_i; + ao_storage_write(addr, &b, 1); + addr++; + } +} +#endif + +void +ao_storage_zap(void) __reentrant +{ + ao_cmd_hex(); + if (ao_cmd_status != ao_cmd_success) + return; + ao_storage_erase((uint32_t) ao_cmd_lex_i << 8); +} + +void +ao_storage_zapall(void) __reentrant +{ + uint32_t pos; + + ao_cmd_white(); + if (!ao_match_word("DoIt")) + return; + for (pos = 0; pos < ao_storage_log_max; pos += ao_storage_block) + ao_storage_erase(pos); +} + +void +ao_storage_info(void) __reentrant +{ + ao_storage_setup(); + printf("Storage size: %ld\n", (long) ao_storage_total); + printf("Storage erase unit: %ld\n", (long) ao_storage_block); + ao_storage_device_info(); +} + +__code struct ao_cmds ao_storage_cmds[] = { + { ao_storage_info, "f\0Show storage" }, + { ao_storage_dump, "e <block>\0Dump flash" }, +#if HAS_STORAGE_DEBUG + { ao_storage_store, "w <block> <start> <len> <data> ...\0Write data to flash" }, +#endif + { ao_storage_zap, "z <block>\0Erase <block>" }, + { ao_storage_zapall,"Z <key>\0Erase all. <key> is doit with D&I" }, + { 0, NULL }, +}; + +void +ao_storage_init(void) +{ + ao_storage_device_init(); + ao_cmd_register(&ao_storage_cmds[0]); +} diff --git a/src/kernel/ao_storage.h b/src/kernel/ao_storage.h new file mode 100644 index 00000000..6cc6fcb7 --- /dev/null +++ b/src/kernel/ao_storage.h @@ -0,0 +1,98 @@ +/* + * Copyright © 2012 Keith Packard <keithp@keithp.com> + * + * This program is free software; you can redistribute it and/or modify + * it under the terms of the GNU General Public License as published by + * the Free Software Foundation; version 2 of the License. + * + * This program is distributed in the hope that it will be useful, but + * WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU + * General Public License for more details. + * + * You should have received a copy of the GNU General Public License along + * with this program; if not, write to the Free Software Foundation, Inc., + * 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA. + */ + +#ifndef _AO_STORAGE_H_ +#define _AO_STORAGE_H_ + +/* + * Storage interface, provided by one of the eeprom or flash + * drivers + */ + +#ifndef ao_storage_pos_t +#define ao_storage_pos_t uint32_t +#endif + +typedef ao_storage_pos_t ao_pos_t; + +/* Total bytes of available storage */ +extern __pdata ao_pos_t ao_storage_total; + +/* Block size - device is erased in these units. At least 256 bytes */ +extern __pdata ao_pos_t ao_storage_block; + +#ifndef USE_STORAGE_CONFIG +#define USE_STORAGE_CONFIG 1 +#endif + +#if USE_STORAGE_CONFIG +/* Byte offset of config block. Will be ao_storage_block bytes long */ +extern __pdata ao_pos_t ao_storage_config; + +#define ao_storage_log_max ao_storage_config +#else +#define ao_storage_log_max ao_storage_total +#endif + +/* Storage unit size - device reads and writes must be within blocks of this size. Usually 256 bytes. */ +extern __pdata uint16_t ao_storage_unit; + +/* Initialize above values. Can only be called once the OS is running */ +void +ao_storage_setup(void) __reentrant; + +/* Write data. Returns 0 on failure, 1 on success */ +uint8_t +ao_storage_write(ao_pos_t pos, __xdata void *buf, uint16_t len) __reentrant; + +/* Read data. Returns 0 on failure, 1 on success */ +uint8_t +ao_storage_read(ao_pos_t pos, __xdata void *buf, uint16_t len) __reentrant; + +/* Erase a block of storage. This always clears ao_storage_block bytes */ +uint8_t +ao_storage_erase(ao_pos_t pos) __reentrant; + +/* Flush any pending writes to stable storage */ +void +ao_storage_flush(void) __reentrant; + +/* Initialize the storage code */ +void +ao_storage_init(void); + +/* + * Low-level functions wrapped by ao_storage.c + */ + +/* Read data within a storage unit */ +uint8_t +ao_storage_device_read(ao_pos_t pos, __xdata void *buf, uint16_t len) __reentrant; + +/* Write data within a storage unit */ +uint8_t +ao_storage_device_write(ao_pos_t pos, __xdata void *buf, uint16_t len) __reentrant; + +/* Initialize low-level device bits */ +void +ao_storage_device_init(void); + +/* Print out information about flash chips */ +void +ao_storage_device_info(void) __reentrant; + +#endif /* _AO_STORAGE_H_ */ diff --git a/src/kernel/ao_task.c b/src/kernel/ao_task.c new file mode 100644 index 00000000..bafb4943 --- /dev/null +++ b/src/kernel/ao_task.c @@ -0,0 +1,548 @@ +/* + * Copyright © 2009 Keith Packard <keithp@keithp.com> + * + * This program is free software; you can redistribute it and/or modify + * it under the terms of the GNU General Public License as published by + * the Free Software Foundation; version 2 of the License. + * + * This program is distributed in the hope that it will be useful, but + * WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU + * General Public License for more details. + * + * You should have received a copy of the GNU General Public License along + * with this program; if not, write to the Free Software Foundation, Inc., + * 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA. + */ + +#include <ao.h> +#include <ao_task.h> +#if HAS_SAMPLE_PROFILE +#include <ao_sample_profile.h> +#endif +#if HAS_STACK_GUARD +#include <ao_mpu.h> +#endif + +#define DEBUG 0 + +#define AO_NO_TASK_INDEX 0xff + +__xdata struct ao_task * __xdata ao_tasks[AO_NUM_TASKS]; +__data uint8_t ao_num_tasks; +__xdata struct ao_task *__data ao_cur_task; + +#if !HAS_TASK_QUEUE +static __data uint8_t ao_cur_task_index; +#endif + +#ifdef ao_arch_task_globals +ao_arch_task_globals +#endif + +#define AO_CHECK_STACK 0 + +#if AO_CHECK_STACK +static uint8_t in_yield; + +static inline void ao_check_stack(void) { + uint8_t q; + if (!in_yield && ao_cur_task && &q < &ao_cur_task->stack[0]) + ao_panic(AO_PANIC_STACK); +} +#else +#define ao_check_stack() +#endif + +#if HAS_TASK_QUEUE + +#define SLEEP_HASH_SIZE 17 + +static struct ao_list run_queue; +static struct ao_list alarm_queue; +static struct ao_list sleep_queue[SLEEP_HASH_SIZE]; + +static void +ao_task_to_run_queue(struct ao_task *task) +{ + ao_list_del(&task->queue); + ao_list_append(&task->queue, &run_queue); +} + +static struct ao_list * +ao_task_sleep_queue(void *wchan) +{ + return &sleep_queue[(uintptr_t) wchan % SLEEP_HASH_SIZE]; +} + +static void +ao_task_to_sleep_queue(struct ao_task *task, void *wchan) +{ + ao_list_del(&task->queue); + ao_list_append(&task->queue, ao_task_sleep_queue(wchan)); +} + +#if DEBUG +static void +ao_task_validate_alarm_queue(void) +{ + struct ao_task *alarm, *prev = NULL; + int i; + + if (ao_list_is_empty(&alarm_queue)) + return; + ao_list_for_each_entry(alarm, &alarm_queue, struct ao_task, alarm_queue) { + if (prev) { + if ((int16_t) (alarm->alarm - prev->alarm) < 0) { + ao_panic(1); + } + } + prev = alarm; + } + for (i = 0; i < ao_num_tasks; i++) { + alarm = ao_tasks[i]; + if (alarm->alarm) { + if (ao_list_is_empty(&alarm->alarm_queue)) + ao_panic(2); + } else { + if (!ao_list_is_empty(&alarm->alarm_queue)) + ao_panic(3); + } + } + if (ao_task_alarm_tick != ao_list_first_entry(&alarm_queue, struct ao_task, alarm_queue)->alarm) + ao_panic(4); +} +#else +#define ao_task_validate_alarm_queue() +#endif + +uint16_t ao_task_alarm_tick; + +static void +ao_task_to_alarm_queue(struct ao_task *task) +{ + struct ao_task *alarm; + ao_list_for_each_entry(alarm, &alarm_queue, struct ao_task, alarm_queue) { + if ((int16_t) (alarm->alarm - task->alarm) >= 0) { + ao_list_insert(&task->alarm_queue, alarm->alarm_queue.prev); + ao_task_alarm_tick = ao_list_first_entry(&alarm_queue, struct ao_task, alarm_queue)->alarm; + ao_task_validate_alarm_queue(); + return; + } + } + ao_list_append(&task->alarm_queue, &alarm_queue); + ao_task_alarm_tick = ao_list_first_entry(&alarm_queue, struct ao_task, alarm_queue)->alarm; + ao_task_validate_alarm_queue(); +} + +static void +ao_task_from_alarm_queue(struct ao_task *task) +{ + ao_list_del(&task->alarm_queue); + if (ao_list_is_empty(&alarm_queue)) + ao_task_alarm_tick = 0; + else + ao_task_alarm_tick = ao_list_first_entry(&alarm_queue, struct ao_task, alarm_queue)->alarm; + ao_task_validate_alarm_queue(); +} + +static void +ao_task_init_queue(struct ao_task *task) +{ + ao_list_init(&task->queue); + ao_list_init(&task->alarm_queue); +} + +static void +ao_task_exit_queue(struct ao_task *task) +{ + ao_list_del(&task->queue); + ao_list_del(&task->alarm_queue); +} + +void +ao_task_check_alarm(uint16_t tick) +{ + struct ao_task *alarm, *next; + + ao_list_for_each_entry_safe(alarm, next, &alarm_queue, struct ao_task, alarm_queue) { + if ((int16_t) (tick - alarm->alarm) < 0) + break; + alarm->alarm = 0; + ao_task_from_alarm_queue(alarm); + ao_task_to_run_queue(alarm); + } +} + +void +ao_task_init(void) +{ + uint8_t i; + ao_list_init(&run_queue); + ao_list_init(&alarm_queue); + ao_task_alarm_tick = 0; + for (i = 0; i < SLEEP_HASH_SIZE; i++) + ao_list_init(&sleep_queue[i]); +} + +#if DEBUG +static uint8_t +ao_task_validate_queue(struct ao_task *task) +{ + uint32_t flags; + struct ao_task *m; + uint8_t ret = 0; + struct ao_list *queue; + + flags = ao_arch_irqsave(); + if (task->wchan) { + queue = ao_task_sleep_queue(task->wchan); + ret |= 2; + } else { + queue = &run_queue; + ret |= 4; + } + ao_list_for_each_entry(m, queue, struct ao_task, queue) { + if (m == task) { + ret |= 1; + break; + } + } + ao_arch_irqrestore(flags); + return ret; +} + +static uint8_t +ao_task_validate_alarm(struct ao_task *task) +{ + uint32_t flags; + struct ao_task *m; + uint8_t ret = 0; + + flags = ao_arch_irqsave(); + if (task->alarm == 0) + return 0xff; + ao_list_for_each_entry(m, &alarm_queue, struct ao_task, alarm_queue) { + if (m == task) + ret |= 1; + else { + if (!(ret&1)) { + if ((int16_t) (m->alarm - task->alarm) > 0) + ret |= 2; + } else { + if ((int16_t) (task->alarm - m->alarm) > 0) + ret |= 4; + } + } + } + ao_arch_irqrestore(flags); + return ret; +} + + +static void +ao_task_validate(void) +{ + uint8_t i; + struct ao_task *task; + uint8_t ret; + + for (i = 0; i < ao_num_tasks; i++) { + task = ao_tasks[i]; + ret = ao_task_validate_queue(task); + if (!(ret & 1)) { + if (ret & 2) + printf ("sleeping task not on sleep queue %s %08x\n", + task->name, task->wchan); + else + printf ("running task not on run queue %s\n", + task->name); + } + ret = ao_task_validate_alarm(task); + if (ret != 0xff) { + if (!(ret & 1)) + printf ("alarm task not on alarm queue %s %d\n", + task->name, task->alarm); + if (ret & 2) + printf ("alarm queue has sooner entries after %s %d\n", + task->name, task->alarm); + if (ret & 4) + printf ("alarm queue has later entries before %s %d\n", + task->name, task->alarm); + } + } +} +#endif /* DEBUG */ + +#endif /* HAS_TASK_QUEUE */ + +void +ao_add_task(__xdata struct ao_task * task, void (*start)(void), __code char *name) __reentrant +{ + uint8_t task_id; + uint8_t t; + if (ao_num_tasks == AO_NUM_TASKS) + ao_panic(AO_PANIC_NO_TASK); + for (task_id = 1; task_id != 0; task_id++) { + for (t = 0; t < ao_num_tasks; t++) + if (ao_tasks[t]->task_id == task_id) + break; + if (t == ao_num_tasks) + break; + } + task->task_id = task_id; + task->name = name; + task->wchan = NULL; + /* + * Construct a stack frame so that it will 'return' + * to the start of the task + */ + ao_arch_init_stack(task, start); + ao_arch_critical( +#if HAS_TASK_QUEUE + ao_task_init_queue(task); + ao_task_to_run_queue(task); +#endif + ao_tasks[ao_num_tasks] = task; + ao_num_tasks++; + ); +} + +__data uint8_t ao_task_minimize_latency; + +/* Task switching function. This must not use any stack variables */ +void +ao_yield(void) ao_arch_naked_define +{ + ao_arch_save_regs(); + +#if HAS_TASK_QUEUE + if (ao_cur_task == NULL) + ao_cur_task = ao_tasks[ao_num_tasks-1]; +#else + if (ao_cur_task_index == AO_NO_TASK_INDEX) + ao_cur_task_index = ao_num_tasks-1; +#endif + else + { +#if HAS_SAMPLE_PROFILE + uint16_t tick = ao_sample_profile_timer_value(); + uint16_t run = tick - ao_cur_task->start; + if (run > ao_cur_task->max_run) + ao_cur_task->max_run = run; + ++ao_cur_task->yields; +#endif + ao_arch_save_stack(); + } + + ao_arch_isr_stack(); +#if !HAS_TASK_QUEUE + if (ao_task_minimize_latency) + ao_arch_release_interrupts(); + else +#endif + ao_arch_block_interrupts(); + +#if AO_CHECK_STACK + in_yield = 1; +#endif + /* Find a task to run. If there isn't any runnable task, + * this loop will run forever, which is just fine + */ +#if HAS_TASK_QUEUE + /* If the current task is running, move it to the + * end of the queue to allow other tasks a chance + */ + if (ao_cur_task->wchan == NULL) + ao_task_to_run_queue(ao_cur_task); + ao_cur_task = NULL; + for (;;) { + ao_arch_memory_barrier(); + if (!ao_list_is_empty(&run_queue)) + break; + /* Wait for interrupts when there's nothing ready */ + ao_arch_wait_interrupt(); + } + ao_cur_task = ao_list_first_entry(&run_queue, struct ao_task, queue); +#else + { + __pdata uint8_t ao_last_task_index = ao_cur_task_index; + for (;;) { + ++ao_cur_task_index; + if (ao_cur_task_index == ao_num_tasks) + ao_cur_task_index = 0; + + ao_cur_task = ao_tasks[ao_cur_task_index]; + + /* Check for ready task */ + if (ao_cur_task->wchan == NULL) + break; + + /* Check if the alarm is set for a time which has passed */ + if (ao_cur_task->alarm && + (int16_t) (ao_time() - ao_cur_task->alarm) >= 0) + break; + + /* Wait for interrupts when there's nothing ready */ + if (ao_cur_task_index == ao_last_task_index && !ao_task_minimize_latency) + ao_arch_wait_interrupt(); + } + } +#endif +#if HAS_SAMPLE_PROFILE + ao_cur_task->start = ao_sample_profile_timer_value(); +#endif +#if HAS_STACK_GUARD + ao_mpu_stack_guard(ao_cur_task->stack); +#endif +#if AO_CHECK_STACK + in_yield = 0; +#endif + ao_arch_restore_stack(); +} + +uint8_t +ao_sleep(__xdata void *wchan) +{ +#if HAS_TASK_QUEUE + uint32_t flags; + flags = ao_arch_irqsave(); +#endif + ao_cur_task->wchan = wchan; +#if HAS_TASK_QUEUE + ao_task_to_sleep_queue(ao_cur_task, wchan); + ao_arch_irqrestore(flags); +#endif + ao_yield(); + if (ao_cur_task->wchan) { + ao_cur_task->wchan = NULL; + ao_cur_task->alarm = 0; + return 1; + } + return 0; +} + +void +ao_wakeup(__xdata void *wchan) __reentrant +{ +#if HAS_TASK_QUEUE + struct ao_task *sleep, *next; + struct ao_list *sleep_queue; + uint32_t flags; + + if (ao_num_tasks == 0) + return; + sleep_queue = ao_task_sleep_queue(wchan); + flags = ao_arch_irqsave(); + ao_list_for_each_entry_safe(sleep, next, sleep_queue, struct ao_task, queue) { + if (sleep->wchan == wchan) { + sleep->wchan = NULL; + ao_task_to_run_queue(sleep); + } + } + ao_arch_irqrestore(flags); +#else + uint8_t i; + for (i = 0; i < ao_num_tasks; i++) + if (ao_tasks[i]->wchan == wchan) + ao_tasks[i]->wchan = NULL; +#endif + ao_check_stack(); +} + +void +ao_alarm(uint16_t delay) +{ +#if HAS_TASK_QUEUE + uint32_t flags; + /* Make sure we sleep *at least* delay ticks, which means adding + * one to account for the fact that we may be close to the next tick + */ + flags = ao_arch_irqsave(); +#endif + if (!(ao_cur_task->alarm = ao_time() + delay + 1)) + ao_cur_task->alarm = 1; +#if HAS_TASK_QUEUE + ao_task_to_alarm_queue(ao_cur_task); + ao_arch_irqrestore(flags); +#endif +} + +void +ao_clear_alarm(void) +{ +#if HAS_TASK_QUEUE + uint32_t flags; + + flags = ao_arch_irqsave(); +#endif + ao_cur_task->alarm = 0; +#if HAS_TASK_QUEUE + ao_task_from_alarm_queue(ao_cur_task); + ao_arch_irqrestore(flags); +#endif +} + +static __xdata uint8_t ao_forever; + +void +ao_delay(uint16_t ticks) +{ + ao_alarm(ticks); + ao_sleep(&ao_forever); + ao_clear_alarm(); +} + +void +ao_exit(void) +{ + uint8_t i; + ao_arch_block_interrupts(); + ao_num_tasks--; +#if HAS_TASK_QUEUE + for (i = 0; i < ao_num_tasks; i++) + if (ao_tasks[i] == ao_cur_task) + break; + ao_task_exit_queue(ao_cur_task); +#else + i = ao_cur_task_index; + ao_cur_task_index = AO_NO_TASK_INDEX; +#endif + for (; i < ao_num_tasks; i++) + ao_tasks[i] = ao_tasks[i+1]; + ao_cur_task = NULL; + ao_yield(); + /* we'll never get back here */ +} + +#if HAS_TASK_INFO +void +ao_task_info(void) +{ + uint8_t i; + __xdata struct ao_task *task; + + for (i = 0; i < ao_num_tasks; i++) { + task = ao_tasks[i]; + printf("%12s: wchan %04x\n", + task->name, + (int) task->wchan); + } +#if HAS_TASK_QUEUE && DEBUG + ao_task_validate(); +#endif +} +#endif + +void +ao_start_scheduler(void) +{ +#if !HAS_TASK_QUEUE + ao_cur_task_index = AO_NO_TASK_INDEX; +#endif + ao_cur_task = NULL; +#if HAS_ARCH_START_SCHEDULER + ao_arch_start_scheduler(); +#endif + ao_yield(); +} diff --git a/src/kernel/ao_task.h b/src/kernel/ao_task.h new file mode 100644 index 00000000..9c56b480 --- /dev/null +++ b/src/kernel/ao_task.h @@ -0,0 +1,117 @@ +/* + * Copyright © 2012 Keith Packard <keithp@keithp.com> + * + * This program is free software; you can redistribute it and/or modify + * it under the terms of the GNU General Public License as published by + * the Free Software Foundation; version 2 of the License. + * + * This program is distributed in the hope that it will be useful, but + * WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU + * General Public License for more details. + * + * You should have received a copy of the GNU General Public License along + * with this program; if not, write to the Free Software Foundation, Inc., + * 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA. + */ + +#ifndef _AO_TASK_H_ +#define _AO_TASK_H_ +#if HAS_TASK_QUEUE +#include <ao_list.h> +#endif + +#ifndef HAS_TASK_INFO +#define HAS_TASK_INFO 1 +#endif + +/* An AltOS task */ +struct ao_task { + __xdata void *wchan; /* current wait channel (NULL if running) */ + uint16_t alarm; /* abort ao_sleep time */ + ao_arch_task_members /* any architecture-specific fields */ + uint8_t task_id; /* unique id */ + __code char *name; /* task name */ +#if HAS_TASK_QUEUE + struct ao_list queue; + struct ao_list alarm_queue; +#endif + uint8_t stack[AO_STACK_SIZE]; /* saved stack */ +#if HAS_SAMPLE_PROFILE + uint32_t ticks; + uint32_t yields; + uint16_t start; + uint16_t max_run; +#endif +}; + +#ifndef AO_NUM_TASKS +#define AO_NUM_TASKS 16 /* maximum number of tasks */ +#endif + +#define AO_NO_TASK 0 /* no task id */ + +extern __xdata struct ao_task * __xdata ao_tasks[AO_NUM_TASKS]; +extern __data uint8_t ao_num_tasks; +extern __xdata struct ao_task *__data ao_cur_task; +extern __data uint8_t ao_task_minimize_latency; /* Reduce IRQ latency */ + +/* + ao_task.c + */ + +/* Suspend the current task until wchan is awoken. + * returns: + * 0 on normal wake + * 1 on alarm + */ +uint8_t +ao_sleep(__xdata void *wchan); + +/* Wake all tasks sleeping on wchan */ +void +ao_wakeup(__xdata void *wchan) __reentrant; + +/* set an alarm to go off in 'delay' ticks */ +void +ao_alarm(uint16_t delay); + +/* Clear any pending alarm */ +void +ao_clear_alarm(void); + +/* Yield the processor to another task */ +void +ao_yield(void) ao_arch_naked_declare; + +/* Add a task to the run queue */ +void +ao_add_task(__xdata struct ao_task * task, void (*start)(void), __code char *name) __reentrant; + +#if HAS_TASK_QUEUE +/* Called on timer interrupt to check alarms */ +extern uint16_t ao_task_alarm_tick; +void +ao_task_check_alarm(uint16_t tick); +#endif + +/* Terminate the current task */ +void +ao_exit(void); + +/* Dump task info to console */ +void +ao_task_info(void); + +/* Start the scheduler. This will not return */ +void +ao_start_scheduler(void); + +#if HAS_TASK_QUEUE +void +ao_task_init(void); +#else +#define ao_task_init() +#endif + +#endif diff --git a/src/kernel/ao_telem.h b/src/kernel/ao_telem.h new file mode 100644 index 00000000..1a8da291 --- /dev/null +++ b/src/kernel/ao_telem.h @@ -0,0 +1,172 @@ +/* + * Copyright © 2011 Keith Packard <keithp@keithp.com> + * + * This program is free software; you can redistribute it and/or modify + * it under the terms of the GNU General Public License as published by + * the Free Software Foundation; version 2 of the License. + * + * This program is distributed in the hope that it will be useful, but + * WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU + * General Public License for more details. + * + * You should have received a copy of the GNU General Public License along + * with this program; if not, write to the Free Software Foundation, Inc., + * 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA. + */ + +#ifndef _AO_TELEM_H_ +#define _AO_TELEM_H_ + +#define AO_TELEMETRY_VERSION 4 + +/* + * Telemetry version 4 and higher format: + * + * General header fields + * + * Name Value + * + * VERSION Telemetry version number (4 or more). Must be first. + * c Callsign (string, no spaces allowed) + * n Flight unit serial number (integer) + * f Flight number (integer) + * r Packet RSSI value (integer) + * s Flight computer state (string, no spaces allowed) + * t Flight computer clock (integer in centiseconds) + */ + +#define AO_TELEM_VERSION "VERSION" +#define AO_TELEM_CALL "c" +#define AO_TELEM_SERIAL "n" +#define AO_TELEM_FLIGHT "f" +#define AO_TELEM_RSSI "r" +#define AO_TELEM_STATE "s" +#define AO_TELEM_TICK "t" + +/* + * Raw sensor values + * + * Name Value + * r_a Accelerometer reading (integer) + * r_b Barometer reading (integer) + * r_t Thermometer reading (integer) + * r_v Battery reading (integer) + * r_d Drogue continuity (integer) + * r_m Main continuity (integer) + */ + +#define AO_TELEM_RAW_ACCEL "r_a" +#define AO_TELEM_RAW_BARO "r_b" +#define AO_TELEM_RAW_THERMO "r_t" +#define AO_TELEM_RAW_BATT "r_v" +#define AO_TELEM_RAW_DROGUE "r_d" +#define AO_TELEM_RAW_MAIN "r_m" + +/* + * Sensor calibration values + * + * Name Value + * c_a Ground accelerometer reading (integer) + * c_b Ground barometer reading (integer) + * c_p Accelerometer reading for +1g + * c_m Accelerometer reading for -1g + */ + +#define AO_TELEM_CAL_ACCEL_GROUND "c_a" +#define AO_TELEM_CAL_BARO_GROUND "c_b" +#define AO_TELEM_CAL_ACCEL_PLUS "c_p" +#define AO_TELEM_CAL_ACCEL_MINUS "c_m" + +/* + * Kalman state values + * + * Name Value + * k_h Height above pad (integer, meters) + * k_s Vertical speeed (integer, m/s * 16) + * k_a Vertical acceleration (integer, m/s² * 16) + */ + +#define AO_TELEM_KALMAN_HEIGHT "k_h" +#define AO_TELEM_KALMAN_SPEED "k_s" +#define AO_TELEM_KALMAN_ACCEL "k_a" + +/* + * Ad-hoc flight values + * + * Name Value + * a_a Acceleration (integer, sensor units) + * a_s Speed (integer, integrated acceleration value) + * a_b Barometer reading (integer, sensor units) + */ + +#define AO_TELEM_ADHOC_ACCEL "a_a" +#define AO_TELEM_ADHOC_SPEED "a_s" +#define AO_TELEM_ADHOC_BARO "a_b" + +/* + * GPS values + * + * Name Value + * g GPS state (string): + * l locked + * u unlocked + * e error (missing or broken) + * g_n Number of sats used in solution + * g_ns Latitude (degrees * 10e7) + * g_ew Longitude (degrees * 10e7) + * g_a Altitude (integer meters) + * g_Y GPS year (integer) + * g_M GPS month (integer - 1-12) + * g_D GPS day (integer - 1-31) + * g_h GPS hour (integer - 0-23) + * g_m GPS minute (integer - 0-59) + * g_s GPS second (integer - 0-59) + * g_v GPS vertical speed (integer, cm/sec) + * g_g GPS horizontal speed (integer, cm/sec) + * g_c GPS course (integer, 0-359) + * g_hd GPS hdop (integer * 10) + * g_vd GPS vdop (integer * 10) + * g_he GPS h error (integer) + * g_ve GPS v error (integer) + */ + +#define AO_TELEM_GPS_STATE "g" +#define AO_TELEM_GPS_STATE_LOCKED 'l' +#define AO_TELEM_GPS_STATE_UNLOCKED 'u' +#define AO_TELEM_GPS_STATE_ERROR 'e' +#define AO_TELEM_GPS_NUM_SAT "g_n" +#define AO_TELEM_GPS_LATITUDE "g_ns" +#define AO_TELEM_GPS_LONGITUDE "g_ew" +#define AO_TELEM_GPS_ALTITUDE "g_a" +#define AO_TELEM_GPS_YEAR "g_Y" +#define AO_TELEM_GPS_MONTH "g_M" +#define AO_TELEM_GPS_DAY "g_D" +#define AO_TELEM_GPS_HOUR "g_h" +#define AO_TELEM_GPS_MINUTE "g_m" +#define AO_TELEM_GPS_SECOND "g_s" +#define AO_TELEM_GPS_VERTICAL_SPEED "g_v" +#define AO_TELEM_GPS_HORIZONTAL_SPEED "g_g" +#define AO_TELEM_GPS_COURSE "g_c" +#define AO_TELEM_GPS_HDOP "g_hd" +#define AO_TELEM_GPS_VDOP "g_vd" +#define AO_TELEM_GPS_HERROR "g_he" +#define AO_TELEM_GPS_VERROR "g_ve" + +/* + * GPS satellite values + * + * Name Value + * s_n Number of satellites reported (integer) + * s_v0 Space vehicle ID (integer) for report 0 + * s_c0 C/N0 number (integer) for report 0 + * s_v1 Space vehicle ID (integer) for report 1 + * s_c1 C/N0 number (integer) for report 1 + * ... + */ + +#define AO_TELEM_SAT_NUM "s_n" +#define AO_TELEM_SAT_SVID "s_v" +#define AO_TELEM_SAT_C_N_0 "s_c" + +#endif /* _AO_TELEM_H_ */ diff --git a/src/kernel/ao_telemetry.c b/src/kernel/ao_telemetry.c new file mode 100644 index 00000000..a1c19185 --- /dev/null +++ b/src/kernel/ao_telemetry.c @@ -0,0 +1,555 @@ +/* + * Copyright © 2011 Keith Packard <keithp@keithp.com> + * + * This program is free software; you can redistribute it and/or modify + * it under the terms of the GNU General Public License as published by + * the Free Software Foundation; version 2 of the License. + * + * This program is distributed in the hope that it will be useful, but + * WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU + * General Public License for more details. + * + * You should have received a copy of the GNU General Public License along + * with this program; if not, write to the Free Software Foundation, Inc., + * 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA. + */ + +#include "ao.h" +#include "ao_log.h" +#include "ao_product.h" + +#ifndef HAS_RDF +#define HAS_RDF 1 +#endif + +static __pdata uint16_t ao_telemetry_interval; + +#if HAS_RDF +static __pdata uint8_t ao_rdf = 0; +static __pdata uint16_t ao_rdf_time; +#endif + +#if HAS_APRS +static __pdata uint16_t ao_aprs_time; + +#include <ao_aprs.h> +#endif + +#if defined(TELEMEGA) +#define AO_SEND_MEGA 1 +#endif + +#if defined (TELEMETRUM_V_2_0) +#define AO_SEND_METRUM 1 +#endif + +#if defined(TELEMETRUM_V_0_1) || defined(TELEMETRUM_V_0_2) || defined(TELEMETRUM_V_1_0) || defined(TELEMETRUM_V_1_1) || defined(TELEBALLOON_V_1_1) || defined(TELEMETRUM_V_1_2) +#define AO_TELEMETRY_SENSOR AO_TELEMETRY_SENSOR_TELEMETRUM +#endif + +#if defined(TELEMINI_V_1_0) +#define AO_TELEMETRY_SENSOR AO_TELEMETRY_SENSOR_TELEMINI +#endif + +#if defined(TELENANO_V_0_1) +#define AO_TELEMETRY_SENSOR AO_TELEMETRY_SENSOR_TELENANO +#endif + +static __xdata union ao_telemetry_all telemetry; + +#if defined AO_TELEMETRY_SENSOR +/* Send sensor packet */ +static void +ao_send_sensor(void) +{ + __xdata struct ao_data *packet = (__xdata struct ao_data *) &ao_data_ring[ao_data_ring_prev(ao_sample_data)]; + + telemetry.generic.tick = packet->tick; + telemetry.generic.type = AO_TELEMETRY_SENSOR; + + telemetry.sensor.state = ao_flight_state; +#if HAS_ACCEL + telemetry.sensor.accel = packet->adc.accel; +#else + telemetry.sensor.accel = 0; +#endif + telemetry.sensor.pres = ao_data_pres(packet); + telemetry.sensor.temp = packet->adc.temp; + telemetry.sensor.v_batt = packet->adc.v_batt; +#if HAS_IGNITE + telemetry.sensor.sense_d = packet->adc.sense_d; + telemetry.sensor.sense_m = packet->adc.sense_m; +#else + telemetry.sensor.sense_d = 0; + telemetry.sensor.sense_m = 0; +#endif + + telemetry.sensor.acceleration = ao_accel; + telemetry.sensor.speed = ao_speed; + telemetry.sensor.height = ao_height; + + telemetry.sensor.ground_pres = ao_ground_pres; +#if HAS_ACCEL + telemetry.sensor.ground_accel = ao_ground_accel; + telemetry.sensor.accel_plus_g = ao_config.accel_plus_g; + telemetry.sensor.accel_minus_g = ao_config.accel_minus_g; +#else + telemetry.sensor.ground_accel = 0; + telemetry.sensor.accel_plus_g = 0; + telemetry.sensor.accel_minus_g = 0; +#endif + + ao_radio_send(&telemetry, sizeof (telemetry)); +} +#endif + + +#ifdef AO_SEND_MEGA +/* Send mega sensor packet */ +static void +ao_send_mega_sensor(void) +{ + __xdata struct ao_data *packet = (__xdata struct ao_data *) &ao_data_ring[ao_data_ring_prev(ao_sample_data)]; + + telemetry.generic.tick = packet->tick; + telemetry.generic.type = AO_TELEMETRY_MEGA_SENSOR; + + telemetry.mega_sensor.orient = ao_sample_orient; + telemetry.mega_sensor.accel = ao_data_accel(packet); + telemetry.mega_sensor.pres = ao_data_pres(packet); + telemetry.mega_sensor.temp = ao_data_temp(packet); + +#if HAS_MPU6000 + telemetry.mega_sensor.accel_x = packet->mpu6000.accel_x; + telemetry.mega_sensor.accel_y = packet->mpu6000.accel_y; + telemetry.mega_sensor.accel_z = packet->mpu6000.accel_z; + + telemetry.mega_sensor.gyro_x = packet->mpu6000.gyro_x; + telemetry.mega_sensor.gyro_y = packet->mpu6000.gyro_y; + telemetry.mega_sensor.gyro_z = packet->mpu6000.gyro_z; +#endif + +#if HAS_HMC5883 + telemetry.mega_sensor.mag_x = packet->hmc5883.x; + telemetry.mega_sensor.mag_y = packet->hmc5883.y; + telemetry.mega_sensor.mag_z = packet->hmc5883.z; +#endif + + ao_radio_send(&telemetry, sizeof (telemetry)); +} + +static __pdata int8_t ao_telemetry_mega_data_max; +static __pdata int8_t ao_telemetry_mega_data_cur; + +/* Send mega data packet */ +static void +ao_send_mega_data(void) +{ + if (--ao_telemetry_mega_data_cur <= 0) { + __xdata struct ao_data *packet = (__xdata struct ao_data *) &ao_data_ring[ao_data_ring_prev(ao_sample_data)]; + uint8_t i; + + telemetry.generic.tick = packet->tick; + telemetry.generic.type = AO_TELEMETRY_MEGA_DATA; + + telemetry.mega_data.state = ao_flight_state; + telemetry.mega_data.v_batt = packet->adc.v_batt; + telemetry.mega_data.v_pyro = packet->adc.v_pbatt; + + /* ADC range is 0-4095, so shift by four to save the high 8 bits */ + for (i = 0; i < AO_ADC_NUM_SENSE; i++) + telemetry.mega_data.sense[i] = packet->adc.sense[i] >> 4; + + telemetry.mega_data.ground_pres = ao_ground_pres; + telemetry.mega_data.ground_accel = ao_ground_accel; + telemetry.mega_data.accel_plus_g = ao_config.accel_plus_g; + telemetry.mega_data.accel_minus_g = ao_config.accel_minus_g; + + telemetry.mega_data.acceleration = ao_accel; + telemetry.mega_data.speed = ao_speed; + telemetry.mega_data.height = ao_height; + + ao_radio_send(&telemetry, sizeof (telemetry)); + ao_telemetry_mega_data_cur = ao_telemetry_mega_data_max; + } +} +#endif /* AO_SEND_MEGA */ + +#ifdef AO_SEND_METRUM +/* Send telemetrum sensor packet */ +static void +ao_send_metrum_sensor(void) +{ + __xdata struct ao_data *packet = (__xdata struct ao_data *) &ao_data_ring[ao_data_ring_prev(ao_sample_data)]; + + telemetry.generic.tick = packet->tick; + telemetry.generic.type = AO_TELEMETRY_METRUM_SENSOR; + + telemetry.metrum_sensor.state = ao_flight_state; +#if HAS_ACCEL + telemetry.metrum_sensor.accel = ao_data_accel(packet); +#endif + telemetry.metrum_sensor.pres = ao_data_pres(packet); + telemetry.metrum_sensor.temp = ao_data_temp(packet); + + telemetry.metrum_sensor.acceleration = ao_accel; + telemetry.metrum_sensor.speed = ao_speed; + telemetry.metrum_sensor.height = ao_height; + + telemetry.metrum_sensor.v_batt = packet->adc.v_batt; + telemetry.metrum_sensor.sense_a = packet->adc.sense_a; + telemetry.metrum_sensor.sense_m = packet->adc.sense_m; + + ao_radio_send(&telemetry, sizeof (telemetry)); +} + +static __pdata int8_t ao_telemetry_metrum_data_max; +static __pdata int8_t ao_telemetry_metrum_data_cur; + +/* Send telemetrum data packet */ +static void +ao_send_metrum_data(void) +{ + if (--ao_telemetry_metrum_data_cur <= 0) { + __xdata struct ao_data *packet = (__xdata struct ao_data *) &ao_data_ring[ao_data_ring_prev(ao_sample_data)]; + + telemetry.generic.tick = packet->tick; + telemetry.generic.type = AO_TELEMETRY_METRUM_DATA; + + telemetry.metrum_data.ground_pres = ao_ground_pres; +#if HAS_ACCEL + telemetry.metrum_data.ground_accel = ao_ground_accel; + telemetry.metrum_data.accel_plus_g = ao_config.accel_plus_g; + telemetry.metrum_data.accel_minus_g = ao_config.accel_minus_g; +#else + telemetry.metrum_data.ground_accel = 1; + telemetry.metrum_data.accel_plus_g = 0; + telemetry.metrum_data.accel_minus_g = 2; +#endif + + ao_radio_send(&telemetry, sizeof (telemetry)); + ao_telemetry_metrum_data_cur = ao_telemetry_metrum_data_max; + } +} +#endif /* AO_SEND_METRUM */ + +#ifdef AO_SEND_MINI + +static void +ao_send_mini(void) +{ + __xdata struct ao_data *packet = (__xdata struct ao_data *) &ao_data_ring[ao_data_ring_prev(ao_sample_data)]; + + telemetry.generic.tick = packet->tick; + telemetry.generic.type = AO_TELEMETRY_MINI; + + telemetry.mini.state = ao_flight_state; + + telemetry.mini.v_batt = packet->adc.v_batt; + telemetry.mini.sense_a = packet->adc.sense_a; + telemetry.mini.sense_m = packet->adc.sense_m; + + telemetry.mini.pres = ao_data_pres(packet); + telemetry.mini.temp = ao_data_temp(packet); + + telemetry.mini.acceleration = ao_accel; + telemetry.mini.speed = ao_speed; + telemetry.mini.height = ao_height; + + telemetry.mini.ground_pres = ao_ground_pres; + + ao_radio_send(&telemetry, sizeof (telemetry)); +} + +#endif /* AO_SEND_MINI */ + +#ifdef AO_SEND_ALL_BARO +static uint8_t ao_baro_sample; + +static void +ao_send_baro(void) +{ + uint8_t sample = ao_sample_data; + uint8_t samples = (sample - ao_baro_sample) & (AO_DATA_RING - 1); + + if (samples > 12) { + ao_baro_sample = (ao_baro_sample + (samples - 12)) & (AO_DATA_RING - 1); + samples = 12; + } + telemetry.generic.tick = ao_data_ring[sample].tick; + telemetry.generic.type = AO_TELEMETRY_BARO; + telemetry.baro.samples = samples; + for (sample = 0; sample < samples; sample++) { + telemetry.baro.baro[sample] = ao_data_ring[ao_baro_sample].adc.pres; + ao_baro_sample = ao_data_ring_next(ao_baro_sample); + } + ao_radio_send(&telemetry, sizeof (telemetry)); +} +#endif + +static __pdata int8_t ao_telemetry_config_max; +static __pdata int8_t ao_telemetry_config_cur; + +static void +ao_send_configuration(void) +{ + if (--ao_telemetry_config_cur <= 0) + { + telemetry.generic.type = AO_TELEMETRY_CONFIGURATION; + telemetry.configuration.device = AO_idProduct_NUMBER; +#if HAS_LOG + telemetry.configuration.flight = ao_log_full() ? 0 : ao_flight_number; +#else + telemetry.configuration.flight = ao_flight_number; +#endif + telemetry.configuration.config_major = AO_CONFIG_MAJOR; + telemetry.configuration.config_minor = AO_CONFIG_MINOR; + telemetry.configuration.apogee_delay = ao_config.apogee_delay; + telemetry.configuration.main_deploy = ao_config.main_deploy; + telemetry.configuration.flight_log_max = ao_config.flight_log_max >> 10; + ao_xmemcpy (telemetry.configuration.callsign, + ao_config.callsign, + AO_MAX_CALLSIGN); + ao_xmemcpy (telemetry.configuration.version, + CODE_TO_XDATA(ao_version), + AO_MAX_VERSION); + ao_radio_send(&telemetry, sizeof (telemetry)); + ao_telemetry_config_cur = ao_telemetry_config_max; + } +} + +#if HAS_GPS + +static __pdata int8_t ao_telemetry_loc_cur; +static __pdata int8_t ao_telemetry_sat_cur; + +static void +ao_send_location(void) +{ + if (--ao_telemetry_loc_cur <= 0) + { + telemetry.generic.type = AO_TELEMETRY_LOCATION; + ao_mutex_get(&ao_gps_mutex); + ao_xmemcpy(&telemetry.location.flags, + &ao_gps_data.flags, + 26); + telemetry.location.tick = ao_gps_tick; + ao_mutex_put(&ao_gps_mutex); + ao_radio_send(&telemetry, sizeof (telemetry)); + ao_telemetry_loc_cur = ao_telemetry_config_max; + } +} + +static void +ao_send_satellite(void) +{ + if (--ao_telemetry_sat_cur <= 0) + { + telemetry.generic.type = AO_TELEMETRY_SATELLITE; + ao_mutex_get(&ao_gps_mutex); + telemetry.satellite.channels = ao_gps_tracking_data.channels; + ao_xmemcpy(&telemetry.satellite.sats, + &ao_gps_tracking_data.sats, + AO_MAX_GPS_TRACKING * sizeof (struct ao_telemetry_satellite_info)); + ao_mutex_put(&ao_gps_mutex); + ao_radio_send(&telemetry, sizeof (telemetry)); + ao_telemetry_sat_cur = ao_telemetry_config_max; + } +} +#endif + +#if HAS_COMPANION + +static __pdata int8_t ao_telemetry_companion_max; +static __pdata int8_t ao_telemetry_companion_cur; + +static void +ao_send_companion(void) +{ + if (--ao_telemetry_companion_cur <= 0) { + telemetry.generic.type = AO_TELEMETRY_COMPANION; + telemetry.companion.board_id = ao_companion_setup.board_id; + telemetry.companion.update_period = ao_companion_setup.update_period; + telemetry.companion.channels = ao_companion_setup.channels; + ao_mutex_get(&ao_companion_mutex); + ao_xmemcpy(&telemetry.companion.companion_data, + ao_companion_data, + ao_companion_setup.channels * 2); + ao_mutex_put(&ao_companion_mutex); + ao_radio_send(&telemetry, sizeof (telemetry)); + ao_telemetry_companion_cur = ao_telemetry_companion_max; + } +} +#endif + +void +ao_telemetry(void) +{ + uint16_t time; + int16_t delay; + + ao_config_get(); + if (!ao_config.radio_enable) + ao_exit(); + while (!ao_flight_number) + ao_sleep(&ao_flight_number); + + telemetry.generic.serial = ao_serial_number; + for (;;) { + while (ao_telemetry_interval == 0) + ao_sleep(&telemetry); + time = ao_time(); +#if HAS_RDF + ao_rdf_time = time; +#endif +#if HAS_APRS + ao_aprs_time = time; +#endif + while (ao_telemetry_interval) { +#if HAS_APRS + if (!(ao_config.radio_enable & AO_RADIO_DISABLE_TELEMETRY)) +#endif + { +#ifdef AO_SEND_ALL_BARO + ao_send_baro(); +#endif + +#if HAS_FLIGHT +# ifdef AO_SEND_MEGA + ao_send_mega_sensor(); + ao_send_mega_data(); +# endif +# ifdef AO_SEND_METRUM + ao_send_metrum_sensor(); + ao_send_metrum_data(); +# endif +# ifdef AO_SEND_MINI + ao_send_mini(); +# endif +# ifdef AO_TELEMETRY_SENSOR + ao_send_sensor(); +# endif +#endif /* HAS_FLIGHT */ + +#if HAS_COMPANION + if (ao_companion_running) + ao_send_companion(); +#endif + ao_send_configuration(); +#if HAS_GPS + ao_send_location(); + ao_send_satellite(); +#endif + } +#ifndef AO_SEND_ALL_BARO +#if HAS_RDF + if (ao_rdf && +#if HAS_APRS + !(ao_config.radio_enable & AO_RADIO_DISABLE_RDF) && +#endif /* HAS_APRS */ + (int16_t) (ao_time() - ao_rdf_time) >= 0) + { +#if HAS_IGNITE_REPORT + uint8_t c; +#endif /* HAS_IGNITE_REPORT */ + ao_rdf_time = ao_time() + AO_RDF_INTERVAL_TICKS; +#if HAS_IGNITE_REPORT + if (ao_flight_state == ao_flight_pad && (c = ao_report_igniter())) + ao_radio_continuity(c); + else +#endif /* HAS_IGNITE_REPORT*/ + ao_radio_rdf(); + } +#endif /* HAS_RDF */ +#if HAS_APRS + if (ao_config.aprs_interval != 0 && + (int16_t) (ao_time() - ao_aprs_time) >= 0) + { + ao_aprs_time = ao_time() + AO_SEC_TO_TICKS(ao_config.aprs_interval); + ao_aprs_send(); + } +#endif /* HAS_APRS */ +#endif /* !AO_SEND_ALL_BARO */ + time += ao_telemetry_interval; + delay = time - ao_time(); + if (delay > 0) { + ao_alarm(delay); + ao_sleep(&telemetry); + ao_clear_alarm(); + } + else + time = ao_time(); + } + } +} + +void +ao_telemetry_set_interval(uint16_t interval) +{ + int8_t cur = 0; + ao_telemetry_interval = interval; + +#if AO_SEND_MEGA + if (interval > 1) + ao_telemetry_mega_data_max = 1; + else + ao_telemetry_mega_data_max = 2; + if (ao_telemetry_mega_data_max > cur) + cur++; + ao_telemetry_mega_data_cur = cur; +#endif +#if AO_SEND_METRUM + ao_telemetry_metrum_data_max = AO_SEC_TO_TICKS(1) / interval; + if (ao_telemetry_metrum_data_max > cur) + cur++; + ao_telemetry_metrum_data_cur = cur; +#endif + +#if HAS_COMPANION + if (!ao_companion_setup.update_period) + ao_companion_setup.update_period = AO_SEC_TO_TICKS(1); + ao_telemetry_companion_max = ao_companion_setup.update_period / interval; + if (ao_telemetry_companion_max > cur) + cur++; + ao_telemetry_companion_cur = cur; +#endif + + ao_telemetry_config_max = AO_SEC_TO_TICKS(1) / interval; +#if HAS_COMPANION + if (ao_telemetry_config_max > cur) + cur++; + ao_telemetry_config_cur = cur; +#endif + +#if HAS_GPS + if (ao_telemetry_config_max > cur) + cur++; + ao_telemetry_loc_cur = cur; + if (ao_telemetry_config_max > cur) + cur++; + ao_telemetry_sat_cur = cur; +#endif + ao_wakeup(&telemetry); +} + +#if HAS_RDF +void +ao_rdf_set(uint8_t rdf) +{ + ao_rdf = rdf; + if (rdf == 0) + ao_radio_rdf_abort(); + else { + ao_rdf_time = ao_time() + AO_RDF_INTERVAL_TICKS; + } +} +#endif + +__xdata struct ao_task ao_telemetry_task; + +void +ao_telemetry_init() +{ + ao_add_task(&ao_telemetry_task, ao_telemetry, "telemetry"); +} diff --git a/src/kernel/ao_telemetry.h b/src/kernel/ao_telemetry.h new file mode 100644 index 00000000..237a35ab --- /dev/null +++ b/src/kernel/ao_telemetry.h @@ -0,0 +1,321 @@ +/* + * Copyright © 2012 Keith Packard <keithp@keithp.com> + * + * This program is free software; you can redistribute it and/or modify + * it under the terms of the GNU General Public License as published by + * the Free Software Foundation; version 2 of the License. + * + * This program is distributed in the hope that it will be useful, but + * WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU + * General Public License for more details. + * + * You should have received a copy of the GNU General Public License along + * with this program; if not, write to the Free Software Foundation, Inc., + * 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA. + */ + +#ifndef _AO_TELEMETRY_H_ +#define _AO_TELEMETRY_H_ + +/* + * ao_telemetry.c + */ +#define AO_MAX_CALLSIGN 8 +#define AO_MAX_VERSION 8 +#if LEGACY_MONITOR +#define AO_MAX_TELEMETRY 128 +#else +#define AO_MAX_TELEMETRY 32 +#endif + +struct ao_telemetry_generic { + uint16_t serial; /* 0 */ + uint16_t tick; /* 2 */ + uint8_t type; /* 4 */ + uint8_t payload[27]; /* 5 */ + /* 32 */ +}; + +#define AO_TELEMETRY_SENSOR_TELEMETRUM 0x01 +#define AO_TELEMETRY_SENSOR_TELEMINI 0x02 +#define AO_TELEMETRY_SENSOR_TELENANO 0x03 + +struct ao_telemetry_sensor { + uint16_t serial; /* 0 */ + uint16_t tick; /* 2 */ + uint8_t type; /* 4 */ + + uint8_t state; /* 5 flight state */ + int16_t accel; /* 6 accelerometer (TM only) */ + int16_t pres; /* 8 pressure sensor */ + int16_t temp; /* 10 temperature sensor */ + int16_t v_batt; /* 12 battery voltage */ + int16_t sense_d; /* 14 drogue continuity sense (TM/Tm) */ + int16_t sense_m; /* 16 main continuity sense (TM/Tm) */ + + int16_t acceleration; /* 18 m/s² * 16 */ + int16_t speed; /* 20 m/s * 16 */ + int16_t height; /* 22 m */ + + int16_t ground_pres; /* 24 average pres on pad */ + int16_t ground_accel; /* 26 average accel on pad */ + int16_t accel_plus_g; /* 28 accel calibration at +1g */ + int16_t accel_minus_g; /* 30 accel calibration at -1g */ + /* 32 */ +}; + +#define AO_TELEMETRY_CONFIGURATION 0x04 + +struct ao_telemetry_configuration { + uint16_t serial; /* 0 */ + uint16_t tick; /* 2 */ + uint8_t type; /* 4 */ + + uint8_t device; /* 5 device type */ + uint16_t flight; /* 6 flight number */ + uint8_t config_major; /* 8 Config major version */ + uint8_t config_minor; /* 9 Config minor version */ + uint16_t apogee_delay; /* 10 Apogee deploy delay in seconds */ + uint16_t main_deploy; /* 12 Main deploy alt in meters */ + uint16_t flight_log_max; /* 14 Maximum flight log size in kB */ + char callsign[AO_MAX_CALLSIGN]; /* 16 Radio operator identity */ + char version[AO_MAX_VERSION]; /* 24 Software version */ + /* 32 */ +}; + +#define AO_TELEMETRY_LOCATION 0x05 + +#define AO_GPS_MODE_NOT_VALID 'N' +#define AO_GPS_MODE_AUTONOMOUS 'A' +#define AO_GPS_MODE_DIFFERENTIAL 'D' +#define AO_GPS_MODE_ESTIMATED 'E' +#define AO_GPS_MODE_MANUAL 'M' +#define AO_GPS_MODE_SIMULATED 'S' + +struct ao_telemetry_location { + uint16_t serial; /* 0 */ + uint16_t tick; /* 2 */ + uint8_t type; /* 4 */ + + uint8_t flags; /* 5 Number of sats and other flags */ + int16_t altitude; /* 6 GPS reported altitude (m) */ + int32_t latitude; /* 8 latitude (degrees * 10⁷) */ + int32_t longitude; /* 12 longitude (degrees * 10⁷) */ + uint8_t year; /* 16 (- 2000) */ + uint8_t month; /* 17 (1-12) */ + uint8_t day; /* 18 (1-31) */ + uint8_t hour; /* 19 (0-23) */ + uint8_t minute; /* 20 (0-59) */ + uint8_t second; /* 21 (0-59) */ + uint8_t pdop; /* 22 (m * 5) */ + uint8_t hdop; /* 23 (m * 5) */ + uint8_t vdop; /* 24 (m * 5) */ + uint8_t mode; /* 25 */ + uint16_t ground_speed; /* 26 cm/s */ + int16_t climb_rate; /* 28 cm/s */ + uint8_t course; /* 30 degrees / 2 */ + uint8_t unused[1]; /* 31 */ + /* 32 */ +}; + +#define AO_TELEMETRY_SATELLITE 0x06 + +struct ao_telemetry_satellite_info { + uint8_t svid; + uint8_t c_n_1; +}; + +#define AO_TELEMETRY_SATELLITE_MAX_SAT 12 + +struct ao_telemetry_satellite { + uint16_t serial; /* 0 */ + uint16_t tick; /* 2 */ + uint8_t type; /* 4 */ + uint8_t channels; /* 5 number of reported sats */ + + struct ao_telemetry_satellite_info sats[AO_TELEMETRY_SATELLITE_MAX_SAT]; /* 6 */ + uint8_t unused[2]; /* 30 */ + /* 32 */ +}; + +#define AO_TELEMETRY_COMPANION 0x07 + +#define AO_COMPANION_MAX_CHANNELS 12 + +struct ao_telemetry_companion { + uint16_t serial; /* 0 */ + uint16_t tick; /* 2 */ + uint8_t type; /* 4 */ + uint8_t board_id; /* 5 */ + + uint8_t update_period; /* 6 */ + uint8_t channels; /* 7 */ + uint16_t companion_data[AO_COMPANION_MAX_CHANNELS]; /* 8 */ + /* 32 */ +}; + +#define AO_TELEMETRY_MEGA_SENSOR 0x08 + +struct ao_telemetry_mega_sensor { + uint16_t serial; /* 0 */ + uint16_t tick; /* 2 */ + uint8_t type; /* 4 */ + + uint8_t orient; /* 5 angle from vertical */ + int16_t accel; /* 6 Z axis */ + + int32_t pres; /* 8 Pa * 10 */ + int16_t temp; /* 12 °C * 100 */ + + int16_t accel_x; /* 14 */ + int16_t accel_y; /* 16 */ + int16_t accel_z; /* 18 */ + + int16_t gyro_x; /* 20 */ + int16_t gyro_y; /* 22 */ + int16_t gyro_z; /* 24 */ + + int16_t mag_x; /* 26 */ + int16_t mag_y; /* 28 */ + int16_t mag_z; /* 30 */ + /* 32 */ +}; + +#define AO_TELEMETRY_MEGA_DATA 0x09 + +struct ao_telemetry_mega_data { + uint16_t serial; /* 0 */ + uint16_t tick; /* 2 */ + uint8_t type; /* 4 */ + + uint8_t state; /* 5 flight state */ + + int16_t v_batt; /* 6 battery voltage */ + int16_t v_pyro; /* 8 pyro battery voltage */ + int8_t sense[6]; /* 10 continuity sense */ + + int32_t ground_pres; /* 16 average pres on pad */ + int16_t ground_accel; /* 20 average accel on pad */ + int16_t accel_plus_g; /* 22 accel calibration at +1g */ + int16_t accel_minus_g; /* 24 accel calibration at -1g */ + + int16_t acceleration; /* 26 m/s² * 16 */ + int16_t speed; /* 28 m/s * 16 */ + int16_t height; /* 30 m */ + /* 32 */ +}; + + +#define AO_TELEMETRY_METRUM_SENSOR 0x0A + +struct ao_telemetry_metrum_sensor { + uint16_t serial; /* 0 */ + uint16_t tick; /* 2 */ + uint8_t type; /* 4 */ + + uint8_t state; /* 5 flight state */ + int16_t accel; /* 6 Z axis */ + + int32_t pres; /* 8 Pa * 10 */ + int16_t temp; /* 12 °C * 100 */ + + int16_t acceleration; /* 14 m/s² * 16 */ + int16_t speed; /* 16 m/s * 16 */ + int16_t height; /* 18 m */ + + int16_t v_batt; /* 20 battery voltage */ + int16_t sense_a; /* 22 apogee continuity sense */ + int16_t sense_m; /* 24 main continuity sense */ + + uint8_t pad[6]; /* 26 */ + /* 32 */ +}; + +#define AO_TELEMETRY_METRUM_DATA 0x0B + +struct ao_telemetry_metrum_data { + uint16_t serial; /* 0 */ + uint16_t tick; /* 2 */ + uint8_t type; /* 4 */ + + int32_t ground_pres; /* 8 average pres on pad */ + int16_t ground_accel; /* 12 average accel on pad */ + int16_t accel_plus_g; /* 14 accel calibration at +1g */ + int16_t accel_minus_g; /* 16 accel calibration at -1g */ + + uint8_t pad[14]; /* 18 */ + /* 32 */ +}; + +#define AO_TELEMETRY_MINI 0x10 + +struct ao_telemetry_mini { + uint16_t serial; /* 0 */ + uint16_t tick; /* 2 */ + uint8_t type; /* 4 */ + + uint8_t state; /* 5 flight state */ + int16_t v_batt; /* 6 battery voltage */ + int16_t sense_a; /* 8 apogee continuity */ + int16_t sense_m; /* 10 main continuity */ + + int32_t pres; /* 12 Pa * 10 */ + int16_t temp; /* 16 °C * 100 */ + + int16_t acceleration; /* 18 m/s² * 16 */ + int16_t speed; /* 20 m/s * 16 */ + int16_t height; /* 22 m */ + + int32_t ground_pres; /* 24 average pres on pad */ + + int32_t pad28; /* 28 */ + /* 32 */ +}; + +/* #define AO_SEND_ALL_BARO */ + +#define AO_TELEMETRY_BARO 0x80 + +/* + * This packet allows the full sampling rate baro + * data to be captured over the RF link so that the + * flight software can be tested using 'real' data. + * + * Along with this telemetry packet, the flight + * code is modified to send full-rate telemetry all the time + * and never send an RDF tone; this ensure that the full radio + * link is available. + */ +struct ao_telemetry_baro { + uint16_t serial; /* 0 */ + uint16_t tick; /* 2 */ + uint8_t type; /* 4 */ + uint8_t samples; /* 5 number samples */ + + int16_t baro[12]; /* 6 samples */ + /* 32 */ +}; + +union ao_telemetry_all { + struct ao_telemetry_generic generic; + struct ao_telemetry_sensor sensor; + struct ao_telemetry_configuration configuration; + struct ao_telemetry_location location; + struct ao_telemetry_satellite satellite; + struct ao_telemetry_companion companion; + struct ao_telemetry_mega_sensor mega_sensor; + struct ao_telemetry_mega_data mega_data; + struct ao_telemetry_metrum_sensor metrum_sensor; + struct ao_telemetry_metrum_data metrum_data; + struct ao_telemetry_mini mini; + struct ao_telemetry_baro baro; +}; + +struct ao_telemetry_all_recv { + union ao_telemetry_all telemetry; + int8_t rssi; + uint8_t status; +}; + +#endif /* _AO_TELEMETRY_H_ */ diff --git a/src/kernel/ao_usb.h b/src/kernel/ao_usb.h new file mode 100644 index 00000000..1ce4f82f --- /dev/null +++ b/src/kernel/ao_usb.h @@ -0,0 +1,142 @@ +/* + * Copyright © 2012 Keith Packard <keithp@keithp.com> + * + * This program is free software; you can redistribute it and/or modify + * it under the terms of the GNU General Public License as published by + * the Free Software Foundation; version 2 of the License. + * + * This program is distributed in the hope that it will be useful, but + * WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU + * General Public License for more details. + * + * You should have received a copy of the GNU General Public License along + * with this program; if not, write to the Free Software Foundation, Inc., + * 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA. + */ + +#ifndef _AO_USB_H_ +#define _AO_USB_H_ + +/* + * ao_usb.c + */ + +/* Put one character to the USB output queue */ +void +ao_usb_putchar(char c); + +/* Get one character from the USB input queue */ +char +ao_usb_getchar(void); + +/* Poll for a charcter on the USB input queue. + * returns AO_READ_AGAIN if none are available + */ +int +ao_usb_pollchar(void); + +/* Flush the USB output queue */ +void +ao_usb_flush(void); + +/* Enable the USB controller */ +void +ao_usb_enable(void); + +/* Disable the USB controller */ +void +ao_usb_disable(void); + +/* Initialize the USB system */ +void +ao_usb_init(void); + +extern __code __at (0x00aa) uint8_t ao_usb_descriptors []; + +#define AO_USB_SETUP_DIR_MASK (0x01 << 7) +#define AO_USB_SETUP_TYPE_MASK (0x03 << 5) +#define AO_USB_SETUP_RECIP_MASK (0x1f) + +#define AO_USB_DIR_OUT 0 +#define AO_USB_DIR_IN (1 << 7) + +#define AO_USB_TYPE_STANDARD 0 +#define AO_USB_TYPE_CLASS (1 << 5) +#define AO_USB_TYPE_VENDOR (2 << 5) +#define AO_USB_TYPE_RESERVED (3 << 5) + +#define AO_USB_RECIP_DEVICE 0 +#define AO_USB_RECIP_INTERFACE 1 +#define AO_USB_RECIP_ENDPOINT 2 +#define AO_USB_RECIP_OTHER 3 + +/* standard requests */ +#define AO_USB_REQ_GET_STATUS 0x00 +#define AO_USB_REQ_CLEAR_FEATURE 0x01 +#define AO_USB_REQ_SET_FEATURE 0x03 +#define AO_USB_REQ_SET_ADDRESS 0x05 +#define AO_USB_REQ_GET_DESCRIPTOR 0x06 +#define AO_USB_REQ_SET_DESCRIPTOR 0x07 +#define AO_USB_REQ_GET_CONFIGURATION 0x08 +#define AO_USB_REQ_SET_CONFIGURATION 0x09 +#define AO_USB_REQ_GET_INTERFACE 0x0A +#define AO_USB_REQ_SET_INTERFACE 0x0B +#define AO_USB_REQ_SYNCH_FRAME 0x0C + +#define AO_USB_DESC_DEVICE 1 +#define AO_USB_DESC_CONFIGURATION 2 +#define AO_USB_DESC_STRING 3 +#define AO_USB_DESC_INTERFACE 4 +#define AO_USB_DESC_ENDPOINT 5 +#define AO_USB_DESC_DEVICE_QUALIFIER 6 +#define AO_USB_DESC_OTHER_SPEED 7 +#define AO_USB_DESC_INTERFACE_POWER 8 + +#define AO_USB_GET_DESC_TYPE(x) (((x)>>8)&0xFF) +#define AO_USB_GET_DESC_INDEX(x) ((x)&0xFF) + +#define AO_USB_CONTROL_EP 0 +#define AO_USB_CONTROL_SIZE 32 + +#define AO_USB_INT_EP 1 +#define AO_USB_INT_SIZE 8 + +#ifndef AO_USB_OUT_EP +#define AO_USB_OUT_EP 4 +#define AO_USB_IN_EP 5 +#endif + +/* + * USB bulk packets can only come in 8, 16, 32 and 64 + * byte sizes, so we'll use 64 for everything + */ +#define AO_USB_IN_SIZE 64 +#define AO_USB_OUT_SIZE 64 + +#define AO_USB_EP0_IDLE 0 +#define AO_USB_EP0_DATA_IN 1 +#define AO_USB_EP0_DATA_OUT 2 +#define AO_USB_EP0_STALL 3 + +#define LE_WORD(x) ((x)&0xFF),((uint8_t) (((uint16_t) (x))>>8)) + +/* CDC definitions */ +#define AO_USB_CS_INTERFACE 0x24 +#define AO_USB_CS_ENDPOINT 0x25 + +#define AO_USB_SET_LINE_CODING 0x20 +#define AO_USB_GET_LINE_CODING 0x21 +#define AO_USB_SET_CONTROL_LINE_STATE 0x22 + +/* Data structure for GET_LINE_CODING / SET_LINE_CODING class requests */ +struct ao_usb_line_coding { + uint32_t rate; + uint8_t char_format; + uint8_t parity; + uint8_t data_bits; +} ; + +extern __pdata uint8_t ao_usb_running; + +#endif /* _AO_USB_H_ */ |