// // Simple test for the AP_AHRS interface // #include #include #include #include #include void setup(); void loop(); const AP_HAL::HAL& hal = AP_HAL::get_HAL(); // INS and Baro declaration AP_InertialSensor ins; Compass compass; AP_GPS gps; AP_Baro barometer; AP_SerialManager serial_manager; class DummyVehicle { public: RangeFinder sonar {serial_manager, ROTATION_PITCH_270}; AP_AHRS_NavEKF ahrs{ins, barometer, gps, sonar, EKF2, EKF3, AP_AHRS_NavEKF::FLAG_ALWAYS_USE_EKF}; NavEKF2 EKF2{&ahrs, barometer, sonar}; NavEKF3 EKF3{&ahrs, barometer, sonar}; }; static DummyVehicle vehicle; // choose which AHRS system to use // AP_AHRS_DCM ahrs(ins, baro, gps); AP_AHRS_NavEKF ahrs(vehicle.ahrs); void setup(void) { AP_BoardConfig{}.init(); ins.init(100); ahrs.init(); serial_manager.init(); if( compass.init() ) { hal.console->printf("Enabling compass\n"); ahrs.set_compass(&compass); } else { hal.console->printf("No compass detected\n"); } gps.init(serial_manager); } void loop(void) { static uint16_t counter; static uint32_t last_t, last_print, last_compass; uint32_t now = AP_HAL::micros(); float heading = 0; if (last_t == 0) { last_t = now; return; } last_t = now; if (now - last_compass > 100 * 1000UL && compass.read()) { heading = compass.calculate_heading(ahrs.get_rotation_body_to_ned()); // read compass at 10Hz last_compass = now; } ahrs.update(); counter++; if (now - last_print >= 100000 /* 100ms : 10hz */) { Vector3f drift = ahrs.get_gyro_drift(); hal.console->printf( "r:%4.1f p:%4.1f y:%4.1f " "drift=(%5.1f %5.1f %5.1f) hdg=%.1f rate=%.1f\n", (double)ToDeg(ahrs.roll), (double)ToDeg(ahrs.pitch), (double)ToDeg(ahrs.yaw), (double)ToDeg(drift.x), (double)ToDeg(drift.y), (double)ToDeg(drift.z), (double)(compass.use_for_yaw() ? ToDeg(heading) : 0.0f), (double)((1.0e6f * counter) / (now-last_print))); last_print = now; counter = 0; } } const struct AP_Param::GroupInfo GCS_MAVLINK::var_info[] = { AP_GROUPEND }; GCS_Dummy _gcs; AP_HAL_MAIN();