diff options
Diffstat (limited to 'src/ao_telemetry_tiny.c')
| -rw-r--r-- | src/ao_telemetry_tiny.c | 91 | 
1 files changed, 91 insertions, 0 deletions
diff --git a/src/ao_telemetry_tiny.c b/src/ao_telemetry_tiny.c new file mode 100644 index 00000000..83ba7fc0 --- /dev/null +++ b/src/ao_telemetry_tiny.c @@ -0,0 +1,91 @@ +/* + * 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" + +__xdata uint8_t ao_rdf = 0; +__xdata uint16_t ao_rdf_time; +__xdata uint16_t ao_telemetry_tiny_interval = 0; + +#define AO_RDF_INTERVAL_TICKS	AO_SEC_TO_TICKS(5) +#define AO_RDF_LENGTH_MS	500 + +void +ao_telemetry_tiny(void) +{ +	uint16_t	time; +	int16_t		delay; +	static __xdata struct ao_telemetry_tiny telemetry_tiny; + +	ao_config_get(); +	while (!ao_flight_number) +		ao_sleep(&ao_flight_number); +	memcpy(telemetry_tiny.callsign, ao_config.callsign, AO_MAX_CALLSIGN); +	telemetry_tiny.serial = ao_serial_number; +	telemetry_tiny.flight = ao_log_full() ? 0 : ao_flight_number; +	for (;;) { +		while (ao_telemetry_tiny_interval == 0) +			ao_sleep(&ao_telemetry_tiny_interval); +		time = ao_rdf_time = ao_time(); +		while (ao_telemetry_tiny_interval) { +			telemetry_tiny.flight_state = ao_flight_state; +			telemetry_tiny.height = ao_k_height >> 16; +			telemetry_tiny.speed = ao_k_speed >> 12; +			telemetry_tiny.accel = ao_k_accel >> 12; +			telemetry_tiny.ground_pres = ao_ground_pres; +			ao_adc_get(&telemetry_tiny.adc); +			ao_radio_send(&telemetry_tiny, sizeof (telemetry_tiny)); +			if (ao_rdf && +			    (int16_t) (ao_time() - ao_rdf_time) >= 0) +			{ +				ao_rdf_time = ao_time() + AO_RDF_INTERVAL_TICKS; +				ao_radio_rdf(AO_RDF_LENGTH_MS); +			} +			time += ao_telemetry_tiny_interval; +			delay = time - ao_time(); +			if (delay > 0) +				ao_delay(delay); +			else +				time = ao_time(); +		} +	} +} + +void +ao_telemetry_set_interval(uint16_t interval) +{ +	ao_telemetry_tiny_interval = interval; +	ao_wakeup(&ao_telemetry_tiny_interval); +} + +void +ao_rdf_set(uint8_t rdf) +{ +	ao_rdf = rdf; +	if (rdf == 0) +		ao_radio_rdf_abort(); +	else +		ao_rdf_time = ao_time(); +} + +__xdata struct ao_task	ao_telemetry_tiny_task; + +void +ao_telemetry_tiny_init() +{ +	ao_add_task(&ao_telemetry_tiny_task, ao_telemetry_tiny, "telemetry_tiny"); +}  | 
