void flightplan_logo_update(void)
{
	// first run any injected instruction from the serial port
	if (logo_inject_pos == LOGO_INJECT_READY)
	{
		process_one_instruction(logo_inject_instr);
		if (logo_inject_instr.cmd == 2 || logo_inject_instr.cmd == 10) // DO / EXEC
		{
			instructionIndex++;
			process_instructions();
		}
		else
		{
			if (logo_goal_has_moved())
			{
				update_goal_from(lastGoal);
				navigate_compute_bearing_to_goal();
			}
		}
		logo_inject_pos = 0;
		return;
	}

	// otherwise run the interrupt handler, if configured, and not in-progress
	if (interruptIndex && !interruptStackBase)
	{
		if (logoStackIndex < LOGO_STACK_DEPTH-1)
		{
			logoStackIndex++;
			logoStack[logoStackIndex].frameType = LOGO_FRAME_TYPE_SUBROUTINE;
			logoStack[logoStackIndex].arg = 0;
			logoStack[logoStackIndex].returnInstructionIndex = instructionIndex-1;
			instructionIndex = interruptIndex+1;
			interruptStackBase = logoStackIndex;
			process_instructions();
			navigate_set_goal_height(turtleLocations[PLANE].z);
			lastGoal.z = turtleLocations[PLANE].z;
		}
	}

	// waypoint arrival is detected computing distance to the "finish line".
	// note: locations are measured in meters
	// locations have a range of +-32000 meters (20 miles) from origin

	if (desired_behavior._.altitude)
	{
		if (abs(IMUheight - navigate_get_goal(NULL)) < ((int16_t)altit.HeightMargin)) // reached altitude goal
		{
			desired_behavior._.altitude = 0;
			process_instructions();
		}
	}
	else
	{
		if (tofinish_line < WAYPOINT_PROXIMITY_RADIUS) // crossed the finish line
		{
			process_instructions();
		}
	}
}
//void run_flightplan(void)
void flightplan_waypoints_update(void)
{
	// first run any injected wp from the serial port
	if (wp_inject_pos == WP_INJECT_READY)
	{
		current_waypoint = wp_to_relative(wp_inject);
		navigate_set_goal(GPSlocation, current_waypoint.loc);
		set_camera_view(current_waypoint.viewpoint);
		setBehavior(current_waypoint.flags);
		navigate_compute_bearing_to_goal();
		wp_inject_pos = 0;
		return;
	}

	// steering is based on cross track error.
	// waypoint arrival is detected computing distance to the "finish line".

	// note: locations are measured in meters
	//       velocities are in centimeters per second

	// locations have a range of +-32000 meters (20 miles) from origin
	
	if (desired_behavior._.altitude)
	{
		if (abs(IMUheight - navigate_get_goal(NULL)) < ((int16_t)altit.HeightMargin))
		{
			next_waypoint();
		}
	}
	else
	{
		if (tofinish_line < WAYPOINT_PROXIMITY_RADIUS) // crossed the finish line
		{
			if (desired_behavior._.loiter)
			{
				navigate_set_goal(GPSlocation, wp_to_relative(currentWaypointSet[waypointIndex]).loc);
			}
			else
			{
				next_waypoint();
			}
		}
	}
}
Exemple #3
0
void MAVUDBExtraOutput_40hz(void)
{
	// SEND SERIAL_UDB_EXTRA (SUE) VIA MAVLINK FOR BACKWARDS COMPATIBILITY with FLAN.PYW (FLIGHT ANALYZER)
	// The MAVLink messages for this section of code are unique to MatrixPilot and are defined in matrixpilot.xml
//	spread_transmission_load = 10;
//	if (mavlink_frequency_send(streamRates[MAV_DATA_STREAM_EXTRA1], mavlink_counter_40hz + spread_transmission_load)) // SUE code historically ran at 8HZ
	{
		switch (mavlink_sue_telemetry_counter)
		{
			case 8:
				mavlink_msg_serial_udb_extra_f14_send(MAVLINK_COMM_0, WIND_ESTIMATION, GPS_TYPE, DEADRECKONING, BOARD_TYPE, AIRFRAME_TYPE,
				    get_reset_flags(), trap_flags, trap_source, osc_fail_count, CLOCK_CONFIG, FLIGHT_PLAN_TYPE);
				mavlink_sue_telemetry_counter--;
				break;
			case 7:
				mavlink_msg_serial_udb_extra_f15_send(MAVLINK_COMM_0, (uint8_t*)ID_VEHICLE_MODEL_NAME, (uint8_t*)ID_VEHICLE_REGISTRATION);
				mavlink_sue_telemetry_counter--;
				break;
			case 6:
				mavlink_msg_serial_udb_extra_f16_send(MAVLINK_COMM_0, (uint8_t*)ID_LEAD_PILOT, (uint8_t*)ID_DIY_DRONES_URL);
				mavlink_sue_telemetry_counter--;
				break;
			case 5:
				mavlink_msg_serial_udb_extra_f4_send(MAVLINK_COMM_0, settings._.RollStabilizaionAilerons, settings._.RollStabilizationRudder, settings._.PitchStabilization,
				    settings._.YawStabilizationRudder, settings._.YawStabilizationAileron, settings._.AileronNavigation, settings._.RudderNavigation, settings._.AltitudeholdStabilized,
				    settings._.AltitudeholdWaypoint, settings._.RacingMode);
				mavlink_sue_telemetry_counter--;
				break;
			case 4:
				mavlink_msg_serial_udb_extra_f5_send(MAVLINK_COMM_0, gains.YawKPAileron, gains.YawKDAileron, gains.RollKP, gains.RollKD,
				    settings._.YawStabilizationAileron, gains.AileronBoost);
				mavlink_sue_telemetry_counter--;
				break;
			case 3:
				mavlink_msg_serial_udb_extra_f6_send(MAVLINK_COMM_0, gains.Pitchgain, gains.PitchKD, gains.RudderElevMix, gains.RollElevMix, gains.ElevatorBoost);
				mavlink_sue_telemetry_counter--;
				break;
			case 2:
				mavlink_msg_serial_udb_extra_f7_send(MAVLINK_COMM_0, gains.YawKPRudder, gains.YawKDRudder, gains.RollKPRudder, gains.RollKDRudder,
				    gains.RudderBoost, gains.RtlPitchDown);
				mavlink_sue_telemetry_counter--;
				break;
			case 1:
				mavlink_msg_serial_udb_extra_f8_send(MAVLINK_COMM_0, altit.HeightTargetMax, altit.HeightTargetMin, altit.AltHoldThrottleMin,
				    altit.AltHoldThrottleMax, altit.AltHoldPitchMin, altit.AltHoldPitchMax, altit.AltHoldPitchHigh);
				mavlink_sue_telemetry_counter--;
				break;
			default:
			{
				if (mavlink_sue_telemetry_f2_a == true)
				{
					int16_t i;

					mavlink_sue_telemetry_f2_a = false;
					// Approximate time passing between each telemetry line, even though
					// we may not have new GPS time data each time through.
					// This line is important when GPS lock is lost during flight
					// It allows telemetry to have a time reference when the GPS time reference is lost
					// Note this does increment the official Time of Week (TOW) for the entire system.
					// It is not changed for now, to preserve close compatibility with origin SERIAL_UDB_EXTRA code.
					if (tow.WW > 0) tow.WW += 250;

					if (state_flags._.f13_print_req == 1)
					{
						// The F13 line of telemetry is printed just once  when origin has been captured after GPS lock
						mavlink_msg_serial_udb_extra_f13_send(MAVLINK_COMM_0, week_no.BB, lat_origin.WW, lon_origin.WW, alt_origin.WW);
						state_flags._.f13_print_req = 0;
					}
#if (MAG_YAW_DRIFT == 1)
					mavlink_msg_serial_udb_extra_f2_a_send(MAVLINK_COMM_0, tow.WW,
					    ((udb_flags._.radio_on << 2) + (dcm_flags._.nav_capable << 1) + state_flags._.GPS_steering),
					    lat_gps.WW, lon_gps.WW, alt_sl_gps.WW, waypointIndex,
					    rmat[0], rmat[1], rmat[2], rmat[3], rmat[4], rmat[5], rmat[6], rmat[7], rmat[8],
					    (uint16_t) cog_gps.BB, sog_gps.BB, (uint16_t) udb_cpu_load(), voltage_milis.BB,
					    air_speed_3DIMU, estimatedWind[0], estimatedWind[1], estimatedWind[2],
					    magFieldEarth[0], magFieldEarth[1], magFieldEarth[2],
					    svs, hdop);
#else
					mavlink_msg_serial_udb_extra_f2_a_send(MAVLINK_COMM_0, tow.WW,
					    ((udb_flags._.radio_on << 2) + (dcm_flags._.nav_capable << 1) + state_flags._.GPS_steering),
					    lat_gps.WW, lon_gps.WW, alt_sl_gps.WW, waypointIndex,
					    rmat[0], rmat[1], rmat[2], rmat[3], rmat[4], rmat[5], rmat[6], rmat[7], rmat[8],
					    (uint16_t) cog_gps.BB, sog_gps.BB, (uint16_t) udb_cpu_load(), voltage_milis.BB,
					    air_speed_3DIMU, estimatedWind[0], estimatedWind[1], estimatedWind[2],
					    0, 0, 0,
					    svs, hdop);
#endif // (MAG_YAW_DRIFT == 1)
					// Save  pwIn and PwOut buffers for sending next time around in f2_b format message
					for (i = 0; i <= (NUM_INPUTS > MAVLINK_SUE_CHANNEL_MAX_SIZE ? MAVLINK_SUE_CHANNEL_MAX_SIZE : NUM_INPUTS); i++)
						pwIn_save[i] = udb_pwIn[i];
					for (i = 0; i <= (NUM_OUTPUTS > MAVLINK_SUE_CHANNEL_MAX_SIZE ? MAVLINK_SUE_CHANNEL_MAX_SIZE : NUM_OUTPUTS); i++)
						pwOut_save[i] = udb_pwOut[i];
					}
					else
					{
						vect3_16t goal;
						int16_t stack_free = 0;
						mavlink_sue_telemetry_f2_a = true;
#if (RECORD_FREE_STACK_SPACE == 1)
						stack_free = (int16_t)(4096-maxstack); // This is actually wrong for the UDB4, but currently left the same as for telemetry.c
#endif // (RECORD_FREE_STACK_SPACE == 1)

//void navigate_get_goal(vect3_16t* goal);
						navigate_get_goal(&goal);

						mavlink_msg_serial_udb_extra_f2_b_send(MAVLINK_COMM_0, tow.WW,
						    pwIn_save[1], pwIn_save[2], pwIn_save[3], pwIn_save[4], pwIn_save[5],
						    pwIn_save[6], pwIn_save[7], pwIn_save[8], pwIn_save[9], pwIn_save[10],
						    pwOut_save[1], pwOut_save[2], pwOut_save[3], pwOut_save[4], pwOut_save[5],
						    pwOut_save[6], pwOut_save[7], pwOut_save[8], pwOut_save[9], pwOut_save[10],
						    IMUlocationx._.W1, IMUlocationy._.W1, IMUlocationz._.W1, state_flags.WW,
#if (SILSIM != 1)
						    osc_fail_count,
#else
						    0,
#endif // (SILSIM != 1)
						    IMUvelocityx._.W1, IMUvelocityy._.W1, IMUvelocityz._.W1,
						    goal.x, goal.y, goal.z, stack_free);
					}
				}
		}
	}
}
Exemple #4
0
void MAVUDBExtraOutput(void)
{
	// SEND SERIAL_UDB_EXTRA (SUE) VIA MAVLINK FOR BACKWARDS COMPATIBILITY with FLAN.PYW (FLIGHT ANALYZER)
	// SUE messages have important MatrixPilot specific information like cause of reboots e.g. power brownout.
	// The MAVLink messages for this section of code are defined in
	// Tools/MAVLink/mavlink/pymavlink/message_definitions/V1.0/matrixpilot.xml
	int16_t i;
	static int mavlink_sue_toggle = 0;
	static boolean f13_print_prepare = false;
	
	// Following are required for saving state of PWM variables for SERIAL_UDB_EXTRA compatibility
	static int16_t pwIn_save[MAVLINK_SUE_CHANNEL_MAX_SIZE + 1];
	static int16_t pwOut_save[MAVLINK_SUE_CHANNEL_MAX_SIZE + 1];
	static int16_t pwTrim_save[MAVLINK_SUE_CHANNEL_MAX_SIZE + 1];
	
	switch  (mavlink_sue_telemetry_counter)
	{
		case 13:
//			serial_output("F22:Sensors=%i,%i,%i,%i,%i,%i\n",
//				UDB_XACCEL.value, UDB_YACCEL.value,
//				UDB_ZACCEL.value + (Z_GRAVITY_SIGN ((int16_t)(2*GRAVITY))),
//				udb_xrate.value, udb_yrate.value, udb_zrate.value);
			mavlink_msg_serial_udb_extra_f22_send(MAVLINK_COMM_0,
				UDB_XACCEL.value, UDB_YACCEL.value,
				UDB_ZACCEL.value + (Z_GRAVITY_SIGN ((int16_t)(2*GRAVITY))),
				udb_xrate.value, udb_yrate.value, udb_zrate.value);
			break;
		case 12: 
//			serial_output("F21:Offsets=%i,%i,%i,%i,%i,%i\n",
//				UDB_XACCEL.offset, UDB_YACCEL.offset, UDB_ZACCEL.offset,
//				udb_xrate.offset, udb_yrate.offset, udb_zrate.offset);
			mavlink_msg_serial_udb_extra_f21_send(MAVLINK_COMM_0,
				UDB_XACCEL.offset, UDB_YACCEL.offset, UDB_ZACCEL.offset,
				udb_xrate.offset, udb_yrate.offset, udb_zrate.offset);
			break;
		case 11:
//			serial_output("F15:IDA=");
//			serial_output(ID_VEHICLE_MODEL_NAME);
//			serial_output(":IDB=");
//			serial_output(ID_VEHICLE_REGISTRATION);
//			serial_output(":\r\n");
			mavlink_msg_serial_udb_extra_f15_send(MAVLINK_COMM_0,
				(uint8_t*)ID_VEHICLE_MODEL_NAME, 
				(uint8_t*)ID_VEHICLE_REGISTRATION);
			break;
		case 10:
//			serial_output("F16:IDC=");
//			serial_output(ID_LEAD_PILOT);
//			serial_output(":IDD=");
//			serial_output(ID_DIY_DRONES_URL);
//			serial_output(":\r\n");
			mavlink_msg_serial_udb_extra_f16_send(MAVLINK_COMM_0, 
				(uint8_t*)ID_LEAD_PILOT,
				(uint8_t*)ID_DIY_DRONES_URL);
			break;
		case 9:
//			serial_output("F17:FD_FWD=%5.3f:TR_NAV=%5.3f:TR_FBW=%5.3f:\r\n",
//				turns.FeedForward, turns.TurnRateNav, turns.TurnRateFBW);
			mavlink_msg_serial_udb_extra_f17_send(MAVLINK_COMM_0,
				turns.FeedForward, turns.TurnRateNav, turns.TurnRateFBW);
			break;
		case 8:
//			serial_output("F18:AOA_NRM=%5.3f:AOA_INV=%5.3f:EL_TRIM_NRM=%5.3f:EL_TRIM_INV=%5.3f:CRUISE_SPD=%5.3f:\r\n",
//				turns.AngleOfAttackNormal, turns.AngleOfAttackInverted, turns.ElevatorTrimNormal,
//				turns.ElevatorTrimInverted, turns.RefSpeed);
			mavlink_msg_serial_udb_extra_f18_send(MAVLINK_COMM_0,
				turns.AngleOfAttackNormal, turns.AngleOfAttackInverted, turns.ElevatorTrimNormal,
				turns.ElevatorTrimInverted, turns.RefSpeed);
			break;
		case 7:
//			serial_output("F19:AIL=%i,%i:ELEV=%i,%i:THROT=%i,%i:RUDD=%i,%i:\r\n",
//				AILERON_OUTPUT_CHANNEL, AILERON_CHANNEL_REVERSED, ELEVATOR_OUTPUT_CHANNEL,ELEVATOR_CHANNEL_REVERSED,
//				THROTTLE_OUTPUT_CHANNEL, THROTTLE_CHANNEL_REVERSED, RUDDER_OUTPUT_CHANNEL,RUDDER_CHANNEL_REVERSED );
			mavlink_msg_serial_udb_extra_f19_send(MAVLINK_COMM_0,
				AILERON_OUTPUT_CHANNEL, AILERON_CHANNEL_REVERSED, ELEVATOR_OUTPUT_CHANNEL,ELEVATOR_CHANNEL_REVERSED,
				THROTTLE_OUTPUT_CHANNEL, THROTTLE_CHANNEL_REVERSED, RUDDER_OUTPUT_CHANNEL,RUDDER_CHANNEL_REVERSED);
			break;
		case 6:
//			serial_output("F14:WIND_EST=%i:GPS_TYPE=%i:DR=%i:BOARD_TYPE=%i:AIRFRAME=%i:"
//			              "RCON=0x%X:TRAP_FLAGS=0x%X:TRAP_SOURCE=0x%lX:ALARMS=%i:"
//			              "CLOCK=%i:FP=%d:\r\n",
//				WIND_ESTIMATION, GPS_TYPE, DEADRECKONING, BOARD_TYPE, AIRFRAME_TYPE,
//				get_reset_flags(), trap_flags, trap_source, osc_fail_count,
//				CLOCK_CONFIG, FLIGHT_PLAN_TYPE);
			mavlink_msg_serial_udb_extra_f14_send(MAVLINK_COMM_0, 
				WIND_ESTIMATION, GPS_TYPE, DEADRECKONING, BOARD_TYPE, AIRFRAME_TYPE,
				get_reset_flags(), trap_flags, trap_source, osc_fail_count,
				CLOCK_CONFIG, FLIGHT_PLAN_TYPE);
			break;
		case 5:
//			serial_output("F4:R_STAB_A=%i:R_STAB_RD=%i:P_STAB=%i:Y_STAB_R=%i:Y_STAB_A=%i:AIL_NAV=%i:RUD_NAV=%i:AH_STAB=%i:AH_WP=%i:RACE=%i:\r\n",
//				settings._.RollStabilizaionAilerons, settings._.RollStabilizationRudder, 
//				settings._.PitchStabilization, settings._.YawStabilizationRudder, 
//				settings._.YawStabilizationAileron, settings._.AileronNavigation,
//				settings._.RudderNavigation, settings._.AltitudeholdStabilized,
//				settings._.AltitudeholdWaypoint, settings._.RacingMode);
			mavlink_msg_serial_udb_extra_f4_send(MAVLINK_COMM_0, 
				settings._.RollStabilizaionAilerons, settings._.RollStabilizationRudder,
				settings._.PitchStabilization, settings._.YawStabilizationRudder,
				settings._.YawStabilizationAileron, settings._.AileronNavigation,
				settings._.RudderNavigation, settings._.AltitudeholdStabilized,
				settings._.AltitudeholdWaypoint, settings._.RacingMode);
			break;
		case 4:
//			serial_output("F5:YAWKP_A=%5.3f:YAWKD_A=%5.3f:ROLLKP=%5.3f:ROLLKD=%5.3f:A_BOOST=%5.3f:A_BOOST=NULL\r\n",
//				gains.YawKPAileron, gains.YawKDAileron, gains.RollKP, gains.RollKD);
			mavlink_msg_serial_udb_extra_f5_send(MAVLINK_COMM_0, 
				gains.YawKPAileron, gains.YawKDAileron, gains.RollKP, gains.RollKD);
			break;
		case 3:
//			serial_output("F6:P_GAIN=%5.3f:P_KD=%5.3f:RUD_E_MIX=NULL:ROL_E_MIX=NULL:E_BOOST=%3.1f:\r\n",
//				gains.Pitchgain, gains.PitchKD, gains.ElevatorBoost);
			mavlink_msg_serial_udb_extra_f6_send(MAVLINK_COMM_0,
				gains.Pitchgain, gains.PitchKD, 0, 0, gains.ElevatorBoost);
			break;
		case 2:
//			serial_output("F7:Y_KP_R=%5.4f:Y_KD_R=%5.3f:RLKP_RUD=%5.3f:RLKD_RUD=%5.3f:RUD_BOOST=%5.3f:RTL_PITCH_DN=%5.3f:\r\n",
//				gains.YawKPRudder, gains.YawKDRudder, gains.RollKPRudder, gains.RollKDRudder, gains.RudderBoost, gains.RtlPitchDown);
			mavlink_msg_serial_udb_extra_f7_send(MAVLINK_COMM_0,
				gains.YawKPRudder, gains.YawKDRudder, gains.RollKPRudder, gains.RollKDRudder, gains.RudderBoost, gains.RtlPitchDown);
			break;
		case 1:
//			serial_output("F8:H_MAX=%6.1f:H_MIN=%6.1f:MIN_THR=%3.2f:MAX_THR=%3.2f:PITCH_MIN_THR=%4.1f:PITCH_MAX_THR=%4.1f:PITCH_ZERO_THR=%4.1f:\r\n",
//				altit.HeightTargetMax, altit.HeightTargetMin, altit.AltHoldThrottleMin, altit.AltHoldThrottleMax,
//				altit.AltHoldPitchMin, altit.AltHoldPitchMax, altit.AltHoldPitchHigh);
			mavlink_msg_serial_udb_extra_f8_send(MAVLINK_COMM_0,
				altit.HeightTargetMax, altit.HeightTargetMin, altit.AltHoldThrottleMin, altit.AltHoldThrottleMax,
				altit.AltHoldPitchMin, altit.AltHoldPitchMax, altit.AltHoldPitchHigh);
			break;
		default:
		{
			// F2 below means "Format Revision 2: and is used by a Telemetry parser to invoke the right pattern matching
			// F2 is a compromise between easy reading of raw data in an ascii file and minimising extraneous data in the stream.
			
			mavlink_sue_toggle = !mavlink_sue_toggle;
			if (state_flags._.f13_print_req == 1)
			{
				if (mavlink_sue_toggle && !f13_print_prepare)
				{
					f13_print_prepare = true;
					return;  //wait for next run
				}
 			}
			if (!f13_print_prepare)
			{
				if (mavlink_sue_toggle)
				{
//					serial_output("F2:T%li:S%d%d%d:N%li:E%li:A%li:W%i:"
//					              "a%i:b%i:c%i:d%i:e%i:f%i:g%i:h%i:i%i:"
//					              "c%u:s%i:cpu%u:"
//					              "as%u:wvx%i:wvy%i:wvz%i:ma%i:mb%i:mc%i:svs%i:hd%i:",
//						tow.WW, udb_flags._.radio_on, dcm_flags._.nav_capable, state_flags._.GPS_steering,
//						lat_gps.WW, lon_gps.WW, alt_sl_gps.WW, waypointIndex,
//						rmat[0], rmat[1], rmat[2],
//						rmat[3], rmat[4], rmat[5],
//						rmat[6], rmat[7], rmat[8],
//						(uint16_t)cog_gps.BB, sog_gps.BB, (uint16_t)udb_cpu_load(), 
//						air_speed_3DIMU,
//						estimatedWind[0], estimatedWind[1], estimatedWind[2],
//#if (MAG_YAW_DRIFT == 1)
//						magFieldEarth[0], magFieldEarth[1], magFieldEarth[2],
//#else
//						(int16_t)0, (int16_t)0, (int16_t)0,
//#endif // MAG_YAW_DRIFT
//						svs, hdop);
					
					mavlink_msg_serial_udb_extra_f2_a_send(MAVLINK_COMM_0, 
						tow.WW, ((udb_flags._.radio_on << 2) + (dcm_flags._.nav_capable << 1) + state_flags._.GPS_steering),
						lat_gps.WW, lon_gps.WW, alt_sl_gps.WW, waypointIndex,
						rmat[0], rmat[1], rmat[2],
						rmat[3], rmat[4], rmat[5],
						rmat[6], rmat[7], rmat[8],
						(uint16_t) cog_gps.BB, sog_gps.BB, (uint16_t) udb_cpu_load(),
						air_speed_3DIMU, estimatedWind[0], estimatedWind[1], estimatedWind[2],
#if (MAG_YAW_DRIFT == 1)
						magFieldEarth[0], magFieldEarth[1], magFieldEarth[2],
#else
						(int16_t)0, (int16_t)0, (int16_t)0,
#endif
						svs, hdop);

					
					// Approximate time passing between each telemetry line, even though
					// we may not have new GPS time data each time through.
					// This line is important when GPS lock is lost during flight
					// It allows telemetry to have a time reference when the GPS time reference is lost
					// Note this does increment the official Time of Week (TOW) for the entire system,
					
					// The following code line assumes an update rate of 4HZ, (MAVUDBExtra() called at 8 HZ))
					// It is not changed for now, to preserve close compatibility with SERIAL_UDB_EXTRA code.

					if (tow.WW > 0) tow.WW += 250; 

					// Save  pwIn and PwOut buffers for printing next time around
					// Save  pwIn and PwOut buffers for sending next time around in f2_b format message
					for (i = 0; i <= MAVLINK_SUE_CHANNEL_MAX_SIZE; i++)
					{
						if (i <= NUM_INPUTS) 
						{
							pwIn_save[i] = udb_pwIn[i];
							pwTrim_save[i] = udb_pwTrim[i];
						}
						else
						{
							pwIn_save[i] = 0;
							pwTrim_save[i] = 0;
						}
						if (i <= NUM_OUTPUTS) 
						{
							pwOut_save[i] = udb_pwOut[i];
						}
						else
						{
							pwOut_save[i] = 0;
						}
					}	
				}
				else
				{
					vect3_16t goal;
					navigate_get_goal(&goal);
					int16_t stack_free = 0;
//					for (i= 1; i <= NUM_INPUTS; i++)
//						serial_output("p%ii%i:",i,pwIn_save[i]);
//					for (i= 1; i <= NUM_OUTPUTS; i++)
//						serial_output("p%io%i:",i,pwOut_save[i]);
//					serial_output("imx%i:imy%i:imz%i:lex%i:ley%i:lez%i:fgs%X:ofc%i:tx%i:ty%i:tz%i:G%d,%d,%d:AF%i,%i,%i:",IMUlocationx._.W1,IMUlocationy._.W1,IMUlocationz._.W1,
//					    locationErrorEarth[0], locationErrorEarth[1], locationErrorEarth[2],
//					    state_flags.WW, osc_fail_count,
//					    IMUvelocityx._.W1, IMUvelocityy._.W1, IMUvelocityz._.W1, goal.x, goal.y, goal.z, aero_force[0], aero_force[1], aero_force[2]);
//#if (USE_BAROMETER_ALTITUDE == 1)
//					serial_output("tmp%i:prs%li:alt%li:",
//					    get_barometer_temperature(), get_barometer_pressure(), 
//					    get_barometer_altitude());
//#endif
//					serial_output("bmv%i:mA%i:mAh%i:",
//#if (ANALOG_VOLTAGE_INPUT_CHANNEL != CHANNEL_UNUSED)
//	                battery_voltage._.W1,
//#else
//	                (int16_t)0,
//#endif
//#if (ANALOG_CURRENT_INPUT_CHANNEL != CHANNEL_UNUSED)                        
//					battery_current._.W1, battery_mAh_used._.W1);
//#else
//					(int16_t)0, (int16_t)0);                    
//#endif
//					serial_output("DH%i:",desiredHeight);
#if (RECORD_FREE_STACK_SPACE == 1)
					extern uint16_t maxstack;
					stack_free = (int16_t)(4096-maxstack); // This is actually wrong for the UDB4, but currently left the same as for telemetry.c
#endif // (RECORD_FREE_STACK_SPACE == 1)
//					serial_output("stk%d:", (int16_t)(4096-maxstack));
//					serial_output("\r\n");

					mavlink_msg_serial_udb_extra_f2_b_send(MAVLINK_COMM_0,
						tow.WW,
						pwIn_save[1], pwIn_save[2], pwIn_save[3], pwIn_save[4], pwIn_save[5],pwIn_save[6],
						pwIn_save[7], pwIn_save[8], pwIn_save[9], pwIn_save[10], pwIn_save[11], pwIn_save[12],
						pwOut_save[1], pwOut_save[2], pwOut_save[3], pwOut_save[4], pwOut_save[5], pwOut_save[6],
						pwOut_save[7], pwOut_save[8], pwOut_save[9], pwOut_save[10], pwOut_save[11], pwOut_save[12],
						IMUlocationx._.W1, IMUlocationy._.W1, IMUlocationz._.W1,
						locationErrorEarth[0], locationErrorEarth[1], locationErrorEarth[2],
						state_flags.WW,
#if (SILSIM != 1)
						osc_fail_count,
#else
						0,
#endif // (SILSIM != 1)
						IMUvelocityx._.W1, IMUvelocityy._.W1, IMUvelocityz._.W1,
						goal.x, goal.y, goal.z,
						aero_force[0], aero_force[1], aero_force[2],
#if (USE_BAROMETER_ALTITUDE == 1)
						get_barometer_temperature(), get_barometer_pressure(), 
						get_barometer_altitude(),
#else
						(int16_t)0, (int16_t)0, (int16_t)0,
#endif					
#if (ANALOG_VOLTAGE_INPUT_CHANNEL != CHANNEL_UNUSED)
				                battery_voltage._.W1,
#else
				                (int16_t)0,
#endif
#if (ANALOG_CURRENT_INPUT_CHANNEL != CHANNEL_UNUSED)                        
						battery_current._.W1, battery_mAh_used._.W1,
#else
						(int16_t)0, (int16_t)0,                   
#endif
						desiredHeight,
						stack_free);
						
				}
			}
			if (state_flags._.f13_print_req == 1)
			{
				// The F13 line of telemetry is printed when origin has been captured and in between F2 lines in SERIAL_UDB_EXTRA
				if (!f13_print_prepare)
				{
					return;
				}
				else
				{
					f13_print_prepare = false;
				}
//				serial_output("F13:week%i:origN%li:origE%li:origA%li:\r\n", week_no, lat_origin.WW, lon_origin.WW, alt_origin);
				mavlink_msg_serial_udb_extra_f13_send(MAVLINK_COMM_0, 
					week_no.BB, lat_origin.WW, lon_origin.WW, alt_origin.WW);
				
//				serial_output("F20:NUM_IN=%i:TRIM=",NUM_INPUTS);
				mavlink_msg_serial_udb_extra_f20_send(MAVLINK_COMM_0, 
					NUM_INPUTS,										\
					pwTrim_save[1],pwTrim_save[2],pwTrim_save[3],pwTrim_save[4],		\
					pwTrim_save[5],pwTrim_save[61],pwTrim_save[7],pwTrim_save[8],		\
					pwTrim_save[9],pwTrim_save[10],pwTrim_save[11],pwTrim_save[12] );
//				for (i = 1; i <= NUM_INPUTS; i++)
//				{
//					serial_output("%i,",udb_pwTrim[i]);
//				}
//				serial_output(":\r\n");
				state_flags._.f13_print_req = 0;
			}
			break;
		}
	}
	if (mavlink_sue_telemetry_counter)
	{
		mavlink_sue_telemetry_counter--;
	}
#if (USE_TELELOG == 1)
	log_swapbuf();
#endif
}