int main(int argc, char* argv[]){ string = (char *) malloc(70); sentence = (char *) malloc(70); int i = 0; //TEST 1 char *testsent = ",280511,,,A*45\r$GPRMC,092751.000,A,5321.6802,N,00630.3371,W,0.06,31.66,280511,,,A*45\r"; //strip chars from the front of test sentence. Pass into merge_nmea for (i = 0; i < strlen(testsent); i++){ merge_nmea(testsent[i]); } printf("Sentence: %s\n", sentence); parse_nmea(sent_prep(sentence)); //TEST 2 char *testsent = ",280511,,,A*45\r$GPRMC,092751.000,A,5321.6802,N,00630.3371,W,0.06,31.66,280511,,,A*45\r"; //strip chars from the front of test sentence. Pass into merge_nmea for (i = 0; i < strlen(testsent); i++){ merge_nmea(testsent[i]); } printf("Sentence: %s\n", sentence); parse_nmea(sent_prep(sentence)); return 0; }
uint32_t MtkGps::detect(TTYUARTClass *ser) { if (ser == NULL) return PMTK_BR_INVALID; // store current serial port TTYUARTClass *gps = gpsSerial; gpsSerial = ser; uint32_t rate = brate; int br; const char *nmea; for (br = 0; brates[br] != PMTK_BR_INVALID; br++) { ser->begin(brates[br]); delay(10); long int timeout = millis(); // send "binary format off" followed by TEST // and wait 500 msec for a reply write(bin_off, 13); delay(20); sendCommand(PMTK_TEST); while((millis() - timeout) < 500) { if ((nmea = read()) != NULL && (parse_nmea(nmea) == 0)) goto found; } } found: // restore original serial port gpsSerial = gps; begin(rate); return brates[br]; }
int main() { char *string = "$GPGGA,185624.000,3713.9223,N,08025.4061,W,1,7,1.09,642.4,M,-32.8,M,,*6D"; struct location l; if (parse_nmea(&l, string) < 0) { printf("Invalid nmea string!\n"); exit(EXIT_FAILURE); } printf("%d %f %d %f\n", l.lat_degrees, l.lat_minutes, l.lon_degrees, l.lon_minutes); return 0; }
static void gps_message_handler(int fd) { char buf[BUFSIZ]; ssize_t n; while ((n = read(fd, buf, BUFSIZ)) > 0) { if (write(STDOUT_FILENO, buf, n) < 0) { perror("write"); break; } buf[n] = 0; ublox_gps.events->nmea_event(buf, n); if (parse_nmea(buf) < 0) LOGD("Error NMEA Message: %s", buf); } if (n < 0) perror("read"); }
uint8_t user1_irq(void) { struct nmea_data_t result; char buf[BUFLEN]; uint8_t i; nmea_buf[nmea_buf_len] = '\0'; for (i = 0; i < sizeof(buf); i++) buf[i] = nmea_buf[i]; result = parse_nmea(buf); nmea_buf_len = 0; switch (result.tag) { case NMEA_TIMESTAMP: if (result.timestamp > last_time_sync + TIME_SYNC_INTERVAL) { time_set(result.timestamp); last_time_sync = result.timestamp; send_time_can(TYPE_value_explicit); } break; case NMEA_COORDS: coords_read_time = now; cur_lat = result.cur_lat; cur_lon = result.cur_lon; break; case NMEA_NUM_SATS: num_sats_read_time = now; num_sats = result.num_sats; break; default: break; } return 0; }