*
* 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.
+ * the Free Software Foundation; either version 2 of the License, or
+ * (at your option) any later version.
*
* This program is distributed in the hope that it will be useful, but
* WITHOUT ANY WARRANTY; without even the implied warranty of
#include <ao_distance.h>
#include <ao_tracker.h>
-static __xdata uint8_t ao_log_mutex;
-static __xdata struct ao_log_gps log;
-
-__code uint8_t ao_log_format = AO_LOG_FORMAT_TELEGPS;
-
-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_gps); i++)
- sum += *b++;
- return -sum;
-}
-
-uint8_t
-ao_log_gps(__xdata struct ao_log_gps *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_gps));
- ao_log_current_pos += sizeof (struct ao_log_gps);
- }
- } ao_mutex_put(&ao_log_mutex);
- return wrote;
-}
-
-
-static int32_t prev_lat, prev_lon;
-static int16_t prev_alt;
-static uint8_t has_prev, unmoving;
-
-#define GPS_SPARSE_UNMOVING_REPORTS 10
-#define GPS_SPARSE_UNMOVING_GROUND 10
-#define GPS_SPARSE_UNMOVING_AIR 10
-
-uint8_t
-ao_log_gps_should_log(int32_t lat, int32_t lon, int16_t alt)
-{
- if (has_prev && ao_log_running) {
- uint32_t h = ao_distance(prev_lat, prev_lon, lat, lon);
- uint16_t v = alt > prev_alt ? (alt - prev_alt) : (prev_alt - alt);
-
- if (h < GPS_SPARSE_UNMOVING_GROUND && v < GPS_SPARSE_UNMOVING_AIR) {
- if (unmoving < GPS_SPARSE_UNMOVING_REPORTS)
- ++unmoving;
- } else
- unmoving = 0;
- } else
- unmoving = 0;
-
- prev_lat = lat;
- prev_lon = lon;
- prev_alt = alt;
- has_prev = 1;
- return unmoving >= GPS_SPARSE_UNMOVING_REPORTS;
-}
-
void
ao_log_gps_flight(void)
{
log.type = AO_LOG_FLIGHT;
log.tick = ao_time();
log.u.flight.flight = ao_flight_number;
- log.u.flight.start_altitude = ao_tracker_start_altitude;
- log.u.flight.start_latitude = ao_tracker_start_latitude;
- log.u.flight.start_longitude = ao_tracker_start_longitude;
- ao_log_gps(&log);
+ ao_log_write(&log);
}
void
-ao_log_gps_data(uint16_t tick, uint8_t state, struct ao_telemetry_location *gps_data)
+ao_log_gps_data(uint16_t tick, struct ao_telemetry_location *gps_data)
{
log.tick = tick;
log.type = AO_LOG_GPS_TIME;
log.u.gps.latitude = gps_data->latitude;
log.u.gps.longitude = gps_data->longitude;
- log.u.gps.altitude = gps_data->altitude;
+ log.u.gps.altitude_low = gps_data->altitude_low;
+ log.u.gps.altitude_high = gps_data->altitude_high;
log.u.gps.hour = gps_data->hour;
log.u.gps.minute = gps_data->minute;
log.u.gps.hdop = gps_data->hdop;
log.u.gps.vdop = gps_data->vdop;
log.u.gps.mode = gps_data->mode;
- log.u.gps.state = state;
- ao_log_gps(&log);
+ ao_log_write(&log);
}
void
break;
}
log.u.gps_sat.channels = i;
- ao_log_gps(&log);
+ ao_log_write(&log);
}
-static uint8_t
-ao_log_dump_check_data(void)
+int8_t
+ao_log_check(uint32_t pos)
{
- if (ao_log_csum((uint8_t *) &log) != 0)
- return 0;
- return 1;
-}
-
-uint16_t
-ao_log_flight(uint8_t slot)
-{
- if (!ao_storage_read(ao_log_pos(slot),
+ if (!ao_storage_read(pos,
&log,
sizeof (struct ao_log_gps)))
- return 0;
+ return AO_LOG_INVALID;
+
+ if (ao_log_check_clear())
+ return AO_LOG_EMPTY;
- if (ao_log_dump_check_data() && log.type == AO_LOG_FLIGHT)
- return log.u.flight.flight;
- return 0;
+ if (!ao_log_check_data())
+ return AO_LOG_INVALID;
+ return AO_LOG_VALID;
}