diff options
Diffstat (limited to 'ao.h')
| -rw-r--r-- | ao.h | 165 |
1 files changed, 157 insertions, 8 deletions
@@ -29,7 +29,7 @@ /* Stack runs from above the allocated __data space to 0xfe, which avoids * writing to 0xff as that triggers the stack overflow indicator */ -#define AO_STACK_START 0x75 +#define AO_STACK_START 0x7f #define AO_STACK_END 0xfe #define AO_STACK_SIZE (AO_STACK_END - AO_STACK_START + 1) @@ -78,6 +78,7 @@ ao_start_scheduler(void); #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 */ /* Stop the operating system, beeping and blinking the reason */ void @@ -111,7 +112,7 @@ ao_timer_init(void); * ao_adc.c */ -#define ADC_RING 128 +#define AO_ADC_RING 128 /* * One set of samples read from the A/D converter @@ -130,7 +131,7 @@ struct ao_adc { * A/D data is stored in a ring, with the next sample to be written * at ao_adc_head */ -extern volatile __xdata struct ao_adc ao_adc_ring[ADC_RING]; +extern volatile __xdata struct ao_adc ao_adc_ring[AO_ADC_RING]; extern volatile __data uint8_t ao_adc_head; /* Trigger a conversion sequence (called from the timer interrupt) */ @@ -325,26 +326,174 @@ ao_mutex_put(__xdata uint8_t *ao_mutex); #define AO_EE_CONFIG_BLOCK ((uint16_t) (AO_EE_DATA_SIZE / AO_EE_BLOCK_SIZE)) void -ao_ee_flush(void); +ao_ee_flush(void) __reentrant; /* Write to the eeprom */ uint8_t -ao_ee_write(uint32_t pos, uint8_t *buf, uint16_t len); +ao_ee_write(uint32_t pos, uint8_t *buf, uint16_t len) __reentrant; /* Read from the eeprom */ uint8_t -ao_ee_read(uint32_t pos, uint8_t *buf, uint16_t len); +ao_ee_read(uint32_t pos, uint8_t *buf, uint16_t len) __reentrant; /* Write the config block (at the end of the eeprom) */ uint8_t -ao_ee_write_config(uint8_t *buf, uint16_t len); +ao_ee_write_config(uint8_t *buf, uint16_t len) __reentrant; /* Read the config block (at the end of the eeprom) */ uint8_t -ao_ee_read_config(uint8_t *buf, uint16_t len); +ao_ee_read_config(uint8_t *buf, uint16_t len) __reentrant; /* Initialize the EEPROM code */ void ao_ee_init(void); +/* + * ao_log.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_POS_NONE (~0UL) + +struct ao_log_record { + uint8_t type; + uint8_t csum; + uint16_t tick; + union { + struct { + uint16_t serial; + uint16_t flight; + } flight; + struct { + int16_t accel; + int16_t pres; + } 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 { + uint16_t d0; + uint16_t d1; + } anon; + } u; +}; + +/* Write a record to the eeprom log */ +void +ao_log_data(struct ao_log_record *log); + +/* Flush the log */ +void +ao_log_flush(void); + +/* Log dumping API: + * ao_log_dump_first() - get first log record + * ao_log_dump_next() - get next log record + */ +extern __xdata struct ao_log_record ao_log_dump; + +/* Retrieve first log record for the current flight */ +uint8_t +ao_log_dump_first(void); + +/* return next log record for the current flight */ +uint8_t +ao_log_dump_next(void); + +/* Logging thread main routine */ +void +ao_log(void); + +/* Start logging to eeprom */ +void +ao_log_start(void); + +/* Initialize the logging system */ +void +ao_log_init(void); + +/* + * ao_flight.c + */ + +enum ao_flight_state { + ao_flight_startup, + ao_flight_idle, + ao_flight_launchpad, + ao_flight_boost, + ao_flight_coast, + ao_flight_apogee, + ao_flight_drogue, + ao_flight_main, + ao_flight_landed, + ao_flight_invalid +}; + +extern __xdata struct ao_adc ao_flight_data; +extern __data enum flight_state ao_flight_state; +extern __data uint16_t ao_flight_state_tick; +extern __data int16_t ao_flight_accel; +extern __data int16_t ao_flight_pres; +extern __data int16_t ao_ground_pres; +extern __data int16_t ao_ground_accel; +extern __data int16_t ao_min_pres; +extern __data uint16_t ao_launch_time; + +/* Flight thread */ +void +ao_flight(void); + +/* Initialize flight thread */ +void +ao_flight_init(void); + +/* + * ao_report.c + */ + +void +ao_report_notify(void); + +void +ao_report_init(void); + #endif /* _AO_H_ */ |