X-Git-Url: https://git.gag.com/?a=blobdiff_plain;f=src%2Fao_flight.c;h=7fe85cb1522ac786579b824cd714c97dc088d9f3;hb=c437b14b7fc7afdfc7b809a04d7fa29d5e742307;hp=92c955fbfb4dfc53c4101cad6514cc96cf2b6b37;hpb=144db05f6b286a0450d486f69ce192632a2c0656;p=fw%2Faltos diff --git a/src/ao_flight.c b/src/ao_flight.c index 92c955fb..7fe85cb1 100644 --- a/src/ao_flight.c +++ b/src/ao_flight.c @@ -50,6 +50,8 @@ __data uint8_t ao_flight_adc; __pdata int16_t ao_raw_accel, ao_raw_accel_prev, ao_raw_pres; __pdata int16_t ao_accel_2g; +__xdata uint8_t ao_flight_force_idle; + /* Accelerometer calibration * * We're sampling the accelerometer through a resistor divider which @@ -75,16 +77,13 @@ __pdata int16_t ao_accel_2g; /* convert m/s to velocity count */ #define VEL_MPS_TO_COUNT(mps) (((int32_t) (((mps) / GRAVITY) * (AO_HERTZ/2))) * (int32_t) ao_accel_2g) -#define ACCEL_G 265 -#define ACCEL_NOSE_UP (ao_accel_2g / 4) +#define ACCEL_NOSE_UP (ao_accel_2g >> 2) #define ACCEL_BOOST ao_accel_2g -#define ACCEL_INT_LAND (ACCEL_G / 10) +#define ACCEL_COAST (ao_accel_2g >> 3) +#define ACCEL_INT_LAND (ao_accel_2g >> 3) #define ACCEL_VEL_MACH VEL_MPS_TO_COUNT(200) #define ACCEL_VEL_BOOST VEL_MPS_TO_COUNT(5) -int32_t accel_vel_mach; -int32_t accel_vel_boost; - /* * Barometer calibration * @@ -132,7 +131,7 @@ __xdata int32_t ao_raw_accel_sum, ao_raw_pres_sum; /* 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(20) +#define AO_INTERVAL_TICKS AO_SEC_TO_TICKS(5) #define abs(a) ((a) < 0 ? -(a) : (a)) @@ -212,8 +211,6 @@ ao_flight(void) ao_config_get(); ao_main_pres = ao_altitude_to_pres(ao_pres_to_altitude(ao_ground_pres) + ao_config.main_deploy); ao_accel_2g = ao_config.accel_minus_g - ao_config.accel_plus_g; - accel_vel_mach = ACCEL_VEL_MACH; - accel_vel_boost = ACCEL_VEL_BOOST; ao_flight_vel = 0; ao_min_vel = 0; ao_old_vel = ao_flight_vel; @@ -221,8 +218,10 @@ ao_flight(void) /* Go to pad state if the nose is pointing up */ ao_config_get(); - if (ao_config.accel_plus_g != 0 && ao_config.accel_minus_g != 0 && - ao_flight_accel < ao_config.accel_plus_g + ACCEL_NOSE_UP) + if (ao_config.accel_plus_g != 0 && + ao_config.accel_minus_g != 0 && + ao_flight_accel < ao_config.accel_plus_g + ACCEL_NOSE_UP && + !ao_flight_force_idle) { /* Disable the USB controller in flight mode * to save power @@ -285,6 +284,10 @@ ao_flight(void) /* disable RDF beacon */ ao_rdf_set(0); + /* Record current GPS position by waking up GPS log tasks */ + ao_wakeup(&ao_gps_data); + ao_wakeup(&ao_gps_tracking_data); + ao_wakeup(DATA_TO_XDATA(&ao_flight_state)); break; } @@ -301,7 +304,7 @@ ao_flight(void) * deceleration, or by waiting until the maximum burn duration * (15 seconds) has past. */ - if (ao_flight_accel > ao_ground_accel + (ACCEL_G >> 2) || + if (ao_flight_accel > ao_ground_accel + ACCEL_COAST || (int16_t) (ao_flight_tick - ao_launch_tick) > BOOST_TICKS_MAX) { ao_flight_state = ao_flight_fast; @@ -432,20 +435,20 @@ ao_flight(void) ao_interval_end = ao_flight_tick + AO_INTERVAL_TICKS; ao_interval_cur_min_pres = ao_interval_cur_max_pres = ao_flight_pres; ao_interval_cur_min_accel = ao_interval_cur_max_accel = ao_flight_accel; - } - if ((uint16_t) (ao_interval_max_accel - ao_interval_min_accel) < (uint16_t) ACCEL_INT_LAND && - ao_flight_pres > ao_ground_pres - BARO_LAND && - (uint16_t) (ao_interval_max_pres - ao_interval_min_pres) < (uint16_t) BARO_INT_LAND) - { - ao_flight_state = ao_flight_landed; + if ((uint16_t) (ao_interval_max_accel - ao_interval_min_accel) < (uint16_t) ACCEL_INT_LAND && + ao_flight_pres > ao_ground_pres - BARO_LAND && + (uint16_t) (ao_interval_max_pres - ao_interval_min_pres) < (uint16_t) BARO_INT_LAND) + { + ao_flight_state = ao_flight_landed; - /* turn off the ADC capture */ - ao_timer_set_adc_interval(0); - /* Enable RDF beacon */ - ao_rdf_set(1); + /* turn off the ADC capture */ + ao_timer_set_adc_interval(0); + /* Enable RDF beacon */ + ao_rdf_set(1); - ao_wakeup(DATA_TO_XDATA(&ao_flight_state)); + ao_wakeup(DATA_TO_XDATA(&ao_flight_state)); + } } break; case ao_flight_landed: @@ -454,37 +457,11 @@ ao_flight(void) } } -#define AO_ACCEL_COUNT_TO_MSS(count) ((count) / 27) -#define AO_VEL_COUNT_TO_MS(count) ((int16_t) ((count) / 2700)) - -static void -ao_flight_status(void) __reentrant -{ - printf("STATE: %7s accel: %d speed: %d altitude: %d main: %d\n", - ao_state_names[ao_flight_state], - AO_ACCEL_COUNT_TO_MSS( - ao_flight_accel), - AO_VEL_COUNT_TO_MS(ao_flight_vel), - ao_pres_to_altitude(ao_flight_pres), - ao_pres_to_altitude(ao_main_pres)); -} - static __xdata struct ao_task flight_task; -__code struct ao_cmds ao_flight_cmds[] = { - { 'f', ao_flight_status, "f Display current flight state" }, - { 0, ao_flight_status, NULL } -}; - void ao_flight_init(void) { ao_flight_state = ao_flight_startup; - ao_interval_min_accel = 0; - ao_interval_max_accel = 0x7fff; - ao_interval_min_pres = 0; - ao_interval_max_pres = 0x7fff; - ao_interval_end = AO_INTERVAL_TICKS; - ao_add_task(&flight_task, ao_flight, "flight"); - ao_cmd_register(&ao_flight_cmds[0]); }