X-Git-Url: https://git.gag.com/?p=fw%2Faltos;a=blobdiff_plain;f=src%2Fdrivers%2Fao_aprs.c;h=679dd7bc1e5e9a2a42920d2c42e5f63db9cfade3;hp=25a651ca3a836ac4eb9593606a84ced0be9856a6;hb=cb228304d8df3063914ab505a530d4ea79ca027d;hpb=4a5b3837b460d1b6fcea99312728114c4734495a diff --git a/src/drivers/ao_aprs.c b/src/drivers/ao_aprs.c index 25a651ca..679dd7bc 100644 --- a/src/drivers/ao_aprs.c +++ b/src/drivers/ao_aprs.c @@ -488,36 +488,79 @@ static void tncCompressInt(uint8_t *dest, int32_t value, int len) { } } -#if HAS_ADC +static int ao_num_sats(void) +{ + int i; + int n = 0; + + for (i = 0; i < ao_gps_tracking_data.channels; i++) { + if (ao_gps_tracking_data.sats[i].svid) + n++; + } + return n; +} + +static char ao_gps_locked(void) +{ + if (ao_gps_data.flags & AO_GPS_VALID) + return 'L'; + else + return 'U'; +} + static int tncComment(uint8_t *buf) { +#if HAS_ADC struct ao_data packet; - + ao_arch_critical(ao_data_get(&packet);); int16_t battery = ao_battery_decivolt(packet.adc.v_batt); +#ifdef AO_SENSE_DROGUE int16_t apogee = ao_ignite_decivolt(AO_SENSE_DROGUE(&packet)); +#endif +#ifdef AO_SENSE_MAIN int16_t main = ao_ignite_decivolt(AO_SENSE_MAIN(&packet)); +#endif return sprintf((char *) buf, - "B:%d.%d A:%d.%d M:%d.%d", + "%c%d B%d.%d" +#ifdef AO_SENSE_DROGUE + " A%d.%d" +#endif +#ifdef AO_SENSE_MAIN + " M%d.%d" +#endif + , ao_gps_locked(), + ao_num_sats(), battery/10, - battery % 10, - apogee/10, - apogee%10, - main/10, - main%10); -} + battery % 10 +#ifdef AO_SENSE_DROGUE + , apogee/10, + apogee%10 #endif +#ifdef AO_SENSE_MAIN + , main/10, + main%10 +#endif + ); +#else + return sprintf((char *) buf, + "%c%d", + ao_gps_locked(), + ao_num_sats()); +#endif +} /** * Generate the plain text position packet. */ static int tncPositionPacket(void) { - int32_t latitude = 0; - int32_t longitude = 0; - int32_t altitude = 0; + static int32_t latitude; + static int32_t longitude; + static int32_t altitude; + int32_t lat, lon, alt; uint8_t *buf; if (ao_gps_data.flags & AO_GPS_VALID) { @@ -528,39 +571,34 @@ static int tncPositionPacket(void) altitude = 0; } - altitude = (altitude * (int32_t) 10000 + (3048/2)) / (int32_t) 3048; - buf = tncBuffer; *buf++ = '!'; /* Symbol table ID */ *buf++ = '/'; - latitude = ((uint64_t) 380926 * (900000000 - latitude)) / 10000000; - longitude = ((uint64_t) 190463 * (1800000000 + longitude)) / 10000000; + lat = ((uint64_t) 380926 * (900000000 - latitude)) / 10000000; + lon = ((uint64_t) 190463 * (1800000000 + longitude)) / 10000000; #define ALTITUDE_LOG_BASE 0.001998002662673f /* log(1.002) */ - altitude = logf((float) altitude) * (1/ALTITUDE_LOG_BASE); + alt = (altitude * (int32_t) 10000 + (3048/2)) / (int32_t) 3048; + alt = logf((float) altitude) * (1/ALTITUDE_LOG_BASE); - tncCompressInt(buf, latitude, 4); + tncCompressInt(buf, lat, 4); buf += 4; - tncCompressInt(buf, longitude, 4); + tncCompressInt(buf, lon, 4); buf += 4; /* Symbol code */ *buf++ = '\''; - tncCompressInt(buf, altitude, 2); + tncCompressInt(buf, alt, 2); buf += 2; *buf++ = 33 + ((1 << 5) | (2 << 3)); -#if HAS_ADC buf += tncComment(buf); -#else - *buf = '\0'; -#endif return buf - tncBuffer; }