DockerPi MotorDriverboard SKU: EP-0107

DockerPi MotorDriverboard

Description

gps_stream(&gps_data, WATCH_ENABLE | WATCH_JSON, NULL);

while (1) {

   /* wait for 2 seconds to receive data */
   if (gps_waiting (&gps_data, 2000000)) {
       /* read data */
       if ((rc = gps_read(&gps_data)) == -1) {
           printf("error occured reading gps data. code: %d, reason: %s\n", rc, gps_errstr(rc));
       } else {
           /* Display data from the GPS receiver. */
           if ((gps_data.status == STATUS_FIX) && 
               (gps_data.fix.mode == MODE_2D || gps_data.fix.mode == MODE_3D) &&
               !isnan(gps_data.fix.latitude) && 
               !isnan(gps_data.fix.longitude)) {
                   //gettimeofday(&tv, NULL); EDIT: tv.tv_sec isn't actually the timestamp!
                   printf("latitude: %f, longitude: %f, speed: %f, timestamp: %lf\n", gps_data.fix.latitude, gps_data.fix.longitude, gps_data.fix.speed, gps_data.fix.time); //EDIT: Replaced tv.tv_sec with gps_data.fix.time
           } else {
               printf("no GPS data available\n");
           }
       }
   }

   sleep(3);

}

/* When you are done... */ gps_stream(&gps_data, WATCH_DISABLE, NULL); gps_close (&gps_data);

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