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/*
* 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 "cc1111.h"
/* Convert a __data pointer into an __xdata pointer */
#define DATA_TO_XDATA(a) ((void __xdata *) ((uint8_t) (a) | 0xff00))
/* 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 0x4b
#define AO_STACK_END 0xfe
#define AO_STACK_SIZE (AO_STACK_END - AO_STACK_START + 1)
/* An AltOS task */
struct ao_task {
__xdata void *wchan; /* current wait channel (NULL if running) */
uint8_t stack_count; /* amount of saved stack */
uint8_t stack[AO_STACK_SIZE]; /* saved stack */
};
#define AO_NUM_TASKS 10 /* maximum number of tasks */
/*
ao_task.c
*/
/* Suspend the current task until wchan is awoken */
int
ao_sleep(__xdata void *wchan);
/* Wake all tasks sleeping on wchan */
int
ao_wakeup(__xdata void *wchan);
/* Yield the processor to another task */
void
ao_yield(void) _naked;
/* Add a task to the run queue */
void
ao_add_task(__xdata struct ao_task * task, void (*start)(void));
/* Start the scheduler. This will not return */
void
ao_start_scheduler(void);
/*
* ao_panic.c
*/
#define AO_PANIC_NO_TASK 1 /* AO_NUM_TASKS is not large enough */
/* Stop the operating system, beeping and blinking the reason */
void
ao_panic(uint8_t reason);
/*
* ao_timer.c
*/
/* Our timer runs at 100Hz */
#define AO_MS_TO_TICKS(ms) ((ms) / 10)
#define AO_SEC_TO_TICKS(s) ((s) * 100)
/* Returns the current time in ticks */
uint16_t
ao_time(void);
/* Suspend the current task until ticks time has passed */
void
ao_delay(uint16_t ticks);
/* Timer interrupt */
void
ao_timer_isr(void) interrupt 9;
/* Initialize the timer */
void
ao_timer_init(void);
/*
* ao_adc.c
*/
#define ADC_RING 128
/*
* 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 */
};
/*
* 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 __data uint8_t ao_adc_head;
/* 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);
/* Get a copy of the last complete A/D sample set */
void
ao_adc_get(__xdata struct ao_adc *packet);
/* The A/D interrupt handler */
void
ao_adc_isr(void) interrupt 1;
/* Initialize the A/D converter */
void
ao_adc_init(void);
/*
* 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);
/* Initialize the beeper */
void
ao_beep_init(void);
/*
* ao_led.c
*/
#define AO_LED_NONE 0
#define AO_LED_GREEN 1
#define AO_LED_RED 2
/* Turn on the specified LEDs */
void
ao_led_on(uint8_t colors);
/* Turn off the specified LEDs */
void
ao_led_off(uint8_t colors);
/* Set all of the LEDs to the specified state */
void
ao_led_set(uint8_t colors);
/* Turn on the specified LEDs for the indicated interval */
void
ao_led_for(uint8_t colors, uint16_t ticks);
/* Initialize the LEDs */
void
ao_led_init(void);
/*
* ao_usb.c
*/
/* Put one character to the USB output queue */
void
ao_usb_putchar(uint8_t c);
/* Get one character from the USB input queue */
uint8_t
ao_usb_getchar(void);
/* Flush the USB output queue */
void
ao_usb_flush(void);
/* USB interrupt handler */
void
ao_usb_isr(void) interrupt 6;
/* Initialize the USB system */
void
ao_usb_init(void);
/*
* ao_cmd.c
*/
void
ao_cmd_init(void);
#endif /* _AO_H_ */
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