C++ Adafruit_GPS::begin方法代码示例

void GpsController::initialize()
{
    //GPS code
    // connect at 115200 so we can read the GPS fast enough and echo without dropping chars
    // also spit it out

    // 9600 NMEA is the default baud rate for Adafruit MTK GPS's- some use 4800
    GPS.begin(9600);

    // uncomment this line to turn on RMC (recommended minimum) and GGA (fix data) including altitude
    GPS.sendCommand(PMTK_SET_NMEA_OUTPUT_RMCGGA);
    // uncomment this line to turn on only the "minimum recommended" data
    //GPS.sendCommand(PMTK_SET_NMEA_OUTPUT_RMCONLY);
    // For parsing data, we don't suggest using anything but either RMC only or RMC+GGA since
    // the parser doesn't care about other sentences at this time

    // Set the update rate
    GPS.sendCommand(PMTK_SET_NMEA_UPDATE_1HZ);   // 1 Hz update rate
    // For the parsing code to work nicely and have time to sort thru the data, and
    // print it out we don't suggest using anything higher than 1 Hz

    // Request updates on antenna status, comment out to keep quiet
    GPS.sendCommand(PGCMD_ANTENNA);

    // the nice thing about this code is you can have a timer0 interrupt go off
    // every 1 millisecond, and read data from the GPS for you. that makes the
    // loop code a heck of a lot easier!
    useInterrupt(true);

    delay(1000);
    // Ask for firmware version
    Serial1.println(PMTK_Q_RELEASE);
}

void setup()
{
  setup_timer_int();

  // 9600 NMEA is the default baud rate for Adafruit MTK GPS's- some use 4800
  GPS.begin(9600);

  // uncomment this line to turn on RMC (recommended minimum) and GGA (fix data) including altitude
  GPS.sendCommand(PMTK_SET_NMEA_OUTPUT_RMCGGA);
  // uncomment this line to turn on only the "minimum recommended" data for high update rates!
  //GPS.sendCommand(PMTK_SET_NMEA_OUTPUT_RMCONLY);
  // uncomment this line to turn on all the available data - for 9600 baud you'll want 1 Hz rate
  //GPS.sendCommand(PMTK_SET_NMEA_OUTPUT_ALLDATA);

  // Set the update rate
  // 1 Hz update rate
  //GPS.sendCommand(PMTK_SET_NMEA_UPDATE_1HZ);
  // 5 Hz update rate- for 9600 baud you'll have to set the output to RMC or RMCGGA only (see above)
  GPS.sendCommand(PMTK_SET_NMEA_UPDATE_5HZ);
  // 10 Hz update rate - for 9600 baud you'll have to set the output to RMC only (see above)
  //GPS.sendCommand(PMTK_SET_NMEA_UPDATE_10HZ);

  // Request updates on antenna status, comment out to keep quiet
  GPS.sendCommand(PGCMD_ANTENNA);

  delay(1000);
}

void GPS_setup()  
{
  //Serial.begin(115200);
  Serial.println("Adafruit GPS library basic test!");
  GPS.begin(9600);
  GPS.sendCommand(PMTK_SET_NMEA_OUTPUT_RMCGGA);
  GPS.sendCommand(PMTK_SET_NMEA_UPDATE_1HZ);   // 1 Hz update rate
  GPS.sendCommand(PGCMD_ANTENNA);
  useInterrupt(true);
  delay(1000);
  mySerial.println(PMTK_Q_RELEASE);
}

void AssetTracker::gpsOn(){
    // Power to the GPS is controlled by a FET connected to D6
    pinMode(D6,OUTPUT);
    digitalWrite(D6,LOW);
    gps.begin(9600);
    gps.sendCommand(PMTK_SET_NMEA_OUTPUT_RMCGGA);
    delay(500);
    // Default is 1 Hz update rate
    gps.sendCommand(PMTK_SET_NMEA_UPDATE_1HZ);
    delay(500);    
    gps.sendCommand(PGCMD_NOANTENNA);
    delay(500);
}

/*
Initialisiert das GPS Modul. Muss vor der Verwendung von get_position_GPS() einmalig aufgerufen werden.
*/
void init_GPS(){
   /*Definiere den Ausgang zur Aktivierung des GPS-Moduls als Ausgang.*/
   pinMode(PIND_ENABLE_GPS, OUTPUT);
   /*Aktiviere GPS-Modul*/
   enable_GPS();
  /* Setze Baudrate des verwendeten HW-Serial und die interne Baudrate des Moduls.*/
  GPS.begin(BAUD_GPS);
  GPS_SERIAL.begin(BAUD_GPS);  
  /* Aktiviere RMC (Recommended Minimum) + GGA Datenstring, Der auch die Höheninformation enthält*/
  GPS.sendCommand(PMTK_SET_NMEA_OUTPUT_RMCGGA);
  /* Setze Updaterate des GPS-Modul auf 1Hz.*/
  GPS.sendCommand(PMTK_SET_NMEA_UPDATE_1HZ);  

}

void GpsSensor::Init()
{
	

	// Set GPSECHO to 'false' to turn off echoing the GPS data to the Serial console
	// Set to 'true' if you want to debug and listen to the raw GPS sentences. 
	#define GPSECHO  false

	// this keeps track of whether we're using the interrupt
	// off by default!
	usingInterrupt = false;
	//void useInterrupt(boolean); // Func prototype keeps Arduino 0023 happy


	Serial.begin(115200);

	// 9600 NMEA is the default baud rate for Adafruit MTK GPS's- some use 4800
	GPS.begin(9600);

	// uncomment this line to turn on RMC (recommended minimum) and GGA (fix data) including altitude
	GPS.sendCommand(PMTK_SET_NMEA_OUTPUT_RMCGGA);
	// uncomment this line to turn on only the "minimum recommended" data
	//GPS.sendCommand(PMTK_SET_NMEA_OUTPUT_RMCONLY);
	// For parsing data, we don't suggest using anything but either RMC only or RMC+GGA since
	// the parser doesn't care about other sentences at this time

	// Set the update rate
	GPS.sendCommand(PMTK_SET_NMEA_UPDATE_1HZ);   // 1 Hz update rate
	// For the parsing code to work nicely and have time to sort thru the data, and
	// print it out we don't suggest using anything higher than 1 Hz

	// Request updates on antenna status, comment out to keep quiet
	GPS.sendCommand(PGCMD_ANTENNA);

	// the nice thing about this code is you can have a timer0 interrupt go off
	// every 1 millisecond, and read data from the GPS for you. that makes the
	// loop code a heck of a lot easier!
	useInterrupt(true);

	delay(1000);
	// Ask for firmware version
	mySerial.println(PMTK_Q_RELEASE);
}

void setup()  
{
  Serial.begin(9600);
  GPS.begin(9600);
  GPS.sendCommand(PMTK_SET_NMEA_OUTPUT_RMCGGA);
  GPS.sendCommand(PMTK_SET_NMEA_UPDATE_1HZ);
  GPS.sendCommand(PGCMD_ANTENNA);
  useInterrupt(true);

  delay(1000);
  mySerial.println(PMTK_Q_RELEASE);

  //Serial.println("Adafruit MMA8451 test!");
  if (! mma.begin()) {
    //Serial.println("Couldnt start");
    while (1);
  }
  //Serial.println("MMA8451 found!");
  mma.setRange(MMA8451_RANGE_2_G);
  Serial.print("Range = "); Serial.print(2 << mma.getRange());  
  Serial.println("G");
}