ardupilot/libraries/APO/APO_DefaultSetup.h

#ifndef _APO_COMMON_H
#define _APO_COMMON_H

FastSerialPort0(Serial);
FastSerialPort1(Serial1);
FastSerialPort2(Serial2);
FastSerialPort3(Serial3);

/*
 * Required Global Declarations
 */

static apo::AP_Autopilot * autoPilot;

void setup() {

	using namespace apo;
	
	AP_Var::load_all();

	// Declare all parts of the system
	AP_Navigator * navigator = NULL;
	AP_Guide * guide = NULL;
	AP_Controller * controller = NULL;
	AP_HardwareAbstractionLayer * hal = NULL;

	/*
	 * Communications
	 */
	Serial.begin(debugBaud, 128, 128); // debug
	
	// hardware abstraction layer
	hal = new AP_HardwareAbstractionLayer(
			halMode, board, vehicle, heartBeatTimeout);
	
	// debug serial
	hal->debug = &Serial;
	hal->debug->println_P(PSTR("initializing debug line"));

	/*
	 * Sensor initialization
	 */
	if (hal->getMode() == MODE_LIVE) {

		hal->debug->println_P(PSTR("initializing adc"));
		hal->adc = new ADC_CLASS;
		hal->adc->Init();

		if (gpsEnabled) {
			Serial1.begin(gpsBaud, 128, 16); // gps
			hal->debug->println_P(PSTR("initializing gps"));
			AP_GPS_Auto gpsDriver(&Serial1, &(hal->gps));
			hal->gps = &gpsDriver;
			hal->gps->callback = delay;
			hal->gps->init();
		}

		if (baroEnabled) {
			hal->debug->println_P(PSTR("initializing baro"));
			hal->baro = new BARO_CLASS;
			hal->baro->Init();
		}

		if (compassEnabled) {
			Wire.begin();
			hal->debug->println_P(PSTR("initializing compass"));
			hal->compass = new COMPASS_CLASS;
			hal->compass->set_orientation(compassOrientation);
			hal->compass->set_offsets(0,0,0);
			hal->compass->set_declination(0.0);
			hal->compass->init();
		}

		/**
		 * Initialize ultrasonic sensors. If sensors are not plugged in, the navigator will not
		 * initialize them and NULL will be assigned to those corresponding pointers.
		 * On detecting NULL assigned to any ultrasonic sensor, its corresponding block of code
		 * will not be executed by the navigator.
		 * The coordinate system is assigned by the right hand rule with the thumb pointing down.
		 * In set_orientation, it is defined as (front/back,left/right,down,up)
		 */

		if (rangeFinderFrontEnabled) {
			hal->debug->println_P(PSTR("initializing front range finder"));
			RangeFinder * rangeFinder = new RANGE_FINDER_CLASS(hal->adc,new ModeFilter);
			rangeFinder->set_analog_port(1);
			rangeFinder->set_orientation(1, 0, 0);
			hal->rangeFinders.push_back(rangeFinder);
		}

		if (rangeFinderBackEnabled) {
			hal->debug->println_P(PSTR("initializing back range finder"));
			RangeFinder * rangeFinder = new RANGE_FINDER_CLASS(hal->adc,new ModeFilter);
			rangeFinder->set_analog_port(2);
			rangeFinder->set_orientation(-1, 0, 0);
			hal->rangeFinders.push_back(rangeFinder);
		}

		if (rangeFinderLeftEnabled) {
			hal->debug->println_P(PSTR("initializing left range finder"));
			RangeFinder * rangeFinder = new RANGE_FINDER_CLASS(hal->adc,new ModeFilter);
			rangeFinder->set_analog_port(3);
			rangeFinder->set_orientation(0, -1, 0);
			hal->rangeFinders.push_back(rangeFinder);
		}

		if (rangeFinderRightEnabled) {
			hal->debug->println_P(PSTR("initializing right range finder"));
			RangeFinder * rangeFinder = new RANGE_FINDER_CLASS(hal->adc,new ModeFilter);
			rangeFinder->set_analog_port(4);
			rangeFinder->set_orientation(0, 1, 0);
			hal->rangeFinders.push_back(rangeFinder);
		}

		if (rangeFinderUpEnabled) {
			hal->debug->println_P(PSTR("initializing up range finder"));
			RangeFinder * rangeFinder = new RANGE_FINDER_CLASS(hal->adc,new ModeFilter);
			rangeFinder->set_analog_port(5);
			rangeFinder->set_orientation(0, 0, -1);
			hal->rangeFinders.push_back(rangeFinder);
		}

		if (rangeFinderDownEnabled) {
			hal->debug->println_P(PSTR("initializing down range finder"));
			RangeFinder * rangeFinder = new RANGE_FINDER_CLASS(hal->adc,new ModeFilter);
			rangeFinder->set_analog_port(6);
			rangeFinder->set_orientation(0, 0, 1);
			hal->rangeFinders.push_back(rangeFinder);
		}

	}

	/*
	 * Select guidance, navigation, control algorithms
	 */
	navigator = new NAVIGATOR_CLASS(hal);
	guide = new GUIDE_CLASS(navigator, hal);
	controller = new CONTROLLER_CLASS(navigator, guide, hal);

	/*
	 * CommLinks
	 */
	if (board==BOARD_ARDUPILOTMEGA_2)
	{
		Serial2.begin(telemBaud, 128, 128); // gcs
		hal->gcs = new COMMLINK_CLASS(&Serial2, navigator, guide, controller, hal);
	}
	else
	{
	   	Serial3.begin(telemBaud, 128, 128); // gcs
		hal->gcs = new COMMLINK_CLASS(&Serial3, navigator, guide, controller, hal);
	}

	/*
	 * Hardware in the Loop
	 */
	if (hal->getMode() == MODE_HIL_CNTL) {
		Serial.println("HIL line setting up");
		Serial1.begin(hilBaud, 128, 128);
		hal->hil = new COMMLINK_CLASS(&Serial1, navigator, guide, controller, hal);
	}

	/*
	 * Start the autopilot
	 */
	hal->debug->printf_P(PSTR("initializing autopilot\n"));
	hal->debug->printf_P(PSTR("free ram: %d bytes\n"),freeMemory());

	autoPilot = new apo::AP_Autopilot(navigator, guide, controller, hal,
			loop0Rate, loop1Rate, loop2Rate, loop3Rate);
}

void loop() {
	autoPilot->update();
}

#endif //_APO_COMMON_H