Due support
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@ -164,10 +164,13 @@ char Adafruit_GPS::read(void) {
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if (paused) return c;
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#ifdef __AVR__
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if(gpsSwSerial) {
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if(!gpsSwSerial->available()) return c;
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c = gpsSwSerial->read();
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} else {
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} else
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#endif
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{
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if(!gpsHwSerial->available()) return c;
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c = gpsHwSerial->read();
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}
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@ -203,6 +206,7 @@ char Adafruit_GPS::read(void) {
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return c;
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}
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#ifdef __AVR__
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// Constructor when using SoftwareSerial or NewSoftSerial
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#if ARDUINO >= 100
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Adafruit_GPS::Adafruit_GPS(SoftwareSerial *ser)
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@ -213,6 +217,7 @@ Adafruit_GPS::Adafruit_GPS(NewSoftSerial *ser)
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common_init(); // Set everything to common state, then...
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gpsSwSerial = ser; // ...override gpsSwSerial with value passed.
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}
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#endif
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// Constructor when using HardwareSerial
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Adafruit_GPS::Adafruit_GPS(HardwareSerial *ser) {
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@ -222,7 +227,9 @@ Adafruit_GPS::Adafruit_GPS(HardwareSerial *ser) {
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// Initialization code used by all constructor types
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void Adafruit_GPS::common_init(void) {
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#ifdef __AVR__
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gpsSwSerial = NULL; // Set both to NULL, then override correct
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#endif
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gpsHwSerial = NULL; // port pointer in corresponding constructor
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recvdflag = false;
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paused = false;
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@ -241,15 +248,23 @@ void Adafruit_GPS::common_init(void) {
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void Adafruit_GPS::begin(uint16_t baud)
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{
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if(gpsSwSerial) gpsSwSerial->begin(baud);
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else gpsHwSerial->begin(baud);
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#ifdef __AVR__
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if(gpsSwSerial)
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gpsSwSerial->begin(baud);
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else
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gpsHwSerial->begin(baud);
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#endif
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delay(10);
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}
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void Adafruit_GPS::sendCommand(char *str) {
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if(gpsSwSerial) gpsSwSerial->println(str);
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else gpsHwSerial->println(str);
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#ifdef __AVR__
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if(gpsSwSerial)
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gpsSwSerial->println(str);
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else
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#endif
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gpsHwSerial->println(str);
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}
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boolean Adafruit_GPS::newNMEAreceived(void) {
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@ -20,10 +20,12 @@ All text above must be included in any redistribution
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#ifndef _ADAFRUIT_GPS_H
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#define _ADAFRUIT_GPS_H
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#if ARDUINO >= 100
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#include <SoftwareSerial.h>
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#else
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#include <NewSoftSerial.h>
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#ifdef __AVR__
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#if ARDUINO >= 100
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#include <SoftwareSerial.h>
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#else
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#include <NewSoftSerial.h>
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#endif
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#endif
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// different commands to set the update rate from once a second (1 Hz) to 10 times a second (10Hz)
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@ -71,7 +73,7 @@ All text above must be included in any redistribution
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#if ARDUINO >= 100
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#include "Arduino.h"
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#if !defined(__AVR_ATmega32U4__)
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#if defined (__AVR__) && !defined(__AVR_ATmega32U4__)
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#include "SoftwareSerial.h"
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#endif
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#else
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@ -84,10 +86,12 @@ class Adafruit_GPS {
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public:
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void begin(uint16_t baud);
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#if ARDUINO >= 100
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Adafruit_GPS(SoftwareSerial *ser); // Constructor when using SoftwareSerial
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#else
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Adafruit_GPS(NewSoftSerial *ser); // Constructor when using NewSoftSerial
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#ifdef __AVR__
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#if ARDUINO >= 100
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Adafruit_GPS(SoftwareSerial *ser); // Constructor when using SoftwareSerial
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#else
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Adafruit_GPS(NewSoftSerial *ser); // Constructor when using NewSoftSerial
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#endif
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#endif
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Adafruit_GPS(HardwareSerial *ser); // Constructor when using HardwareSerial
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@ -105,7 +109,7 @@ class Adafruit_GPS {
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void interruptReads(boolean r);
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boolean wakeup(void);
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boolean standby(void);
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boolean standby(void);
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uint8_t hour, minute, seconds, year, month, day;
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uint16_t milliseconds;
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@ -125,10 +129,12 @@ class Adafruit_GPS {
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boolean paused;
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uint8_t parseResponse(char *response);
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#if ARDUINO >= 100
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SoftwareSerial *gpsSwSerial;
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#else
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NewSoftSerial *gpsSwSerial;
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#ifdef __AVR__
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#if ARDUINO >= 100
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SoftwareSerial *gpsSwSerial;
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#else
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NewSoftSerial *gpsSwSerial;
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#endif
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#endif
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HardwareSerial *gpsHwSerial;
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};
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@ -0,0 +1,178 @@
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// Test code for Adafruit GPS modules using MTK3329/MTK3339 driver
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//
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// This code shows how to listen to the GPS module in an interrupt
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// which allows the program to have more 'freedom' - just parse
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// when a new NMEA sentence is available! Then access data when
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// desired.
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//
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// Tested and works great with the Adafruit Ultimate GPS module
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// using MTK33x9 chipset
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// ------> http://www.adafruit.com/products/746
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// Pick one up today at the Adafruit electronics shop
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// and help support open source hardware & software! -ada
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#include <Adafruit_GPS.h>
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#ifdef __AVR__
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#include <SoftwareSerial.h>
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#endif
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// If you're using a GPS module:
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// Connect the GPS Power pin to 5V
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// Connect the GPS Ground pin to ground
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// If using software serial (sketch example default):
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// Connect the GPS TX (transmit) pin to Digital 3
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// Connect the GPS RX (receive) pin to Digital 2
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// If using hardware serial (e.g. Arduino Mega):
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// Connect the GPS TX (transmit) pin to Arduino RX1, RX2 or RX3
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// Connect the GPS RX (receive) pin to matching TX1, TX2 or TX3
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// If you're using the Adafruit GPS shield, change
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// SoftwareSerial mySerial(3, 2); -> SoftwareSerial mySerial(8, 7);
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// and make sure the switch is set to SoftSerial
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// If using software serial, keep this line enabled
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// (you can change the pin numbers to match your wiring):
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//SoftwareSerial mySerial(3, 2);
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// If using hardware serial (e.g. Arduino Mega, Leonardo, Due), comment
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// out the above line and enable this line instead:
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#define mySerial Serial1
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Adafruit_GPS GPS(&mySerial);
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// Set GPSECHO to 'false' to turn off echoing the GPS data to the Serial console
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// Set to 'true' if you want to debug and listen to the raw GPS sentences.
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#define GPSECHO true
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// this keeps track of whether we're using the interrupt
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// off by default!
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boolean usingInterrupt = false;
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void useInterrupt(boolean); // Func prototype keeps Arduino 0023 happy
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void setup()
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{
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// connect at 115200 so we can read the GPS fast enough and echo without dropping chars
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// also spit it out
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Serial.begin(115200);
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Serial.println("Adafruit GPS library basic test!");
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// 9600 NMEA is the default baud rate for Adafruit MTK GPS's- some use 4800
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GPS.begin(9600);
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mySerial.begin(9600);
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// uncomment this line to turn on RMC (recommended minimum) and GGA (fix data) including altitude
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GPS.sendCommand(PMTK_SET_NMEA_OUTPUT_RMCGGA);
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// uncomment this line to turn on only the "minimum recommended" data
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//GPS.sendCommand(PMTK_SET_NMEA_OUTPUT_RMCONLY);
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// For parsing data, we don't suggest using anything but either RMC only or RMC+GGA since
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// the parser doesn't care about other sentences at this time
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// Set the update rate
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GPS.sendCommand(PMTK_SET_NMEA_UPDATE_1HZ); // 1 Hz update rate
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// For the parsing code to work nicely and have time to sort thru the data, and
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// print it out we don't suggest using anything higher than 1 Hz
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// Request updates on antenna status, comment out to keep quiet
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GPS.sendCommand(PGCMD_ANTENNA);
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// the nice thing about this code is you can have a timer0 interrupt go off
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// every 1 millisecond, and read data from the GPS for you. that makes the
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// loop code a heck of a lot easier!
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#ifdef __arm__
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usingInterrupt = false; //NOTE - we don't want to use interrupts on the Due
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#else
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useInterrupt(true);
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#endif
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delay(1000);
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// Ask for firmware version
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mySerial.println(PMTK_Q_RELEASE);
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}
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#ifdef __AVR__
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// Interrupt is called once a millisecond, looks for any new GPS data, and stores it
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SIGNAL(TIMER0_COMPA_vect) {
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char c = GPS.read();
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// if you want to debug, this is a good time to do it!
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#ifdef UDR0
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if (GPSECHO)
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if (c) UDR0 = c;
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// writing direct to UDR0 is much much faster than Serial.print
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// but only one character can be written at a time.
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#endif
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}
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void useInterrupt(boolean v) {
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if (v) {
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// Timer0 is already used for millis() - we'll just interrupt somewhere
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// in the middle and call the "Compare A" function above
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OCR0A = 0xAF;
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TIMSK0 |= _BV(OCIE0A);
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usingInterrupt = true;
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} else {
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// do not call the interrupt function COMPA anymore
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TIMSK0 &= ~_BV(OCIE0A);
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usingInterrupt = false;
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}
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}
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#endif //#ifdef__AVR__
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uint32_t timer = millis();
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void loop() // run over and over again
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{
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// in case you are not using the interrupt above, you'll
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// need to 'hand query' the GPS, not suggested :(
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if (! usingInterrupt) {
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// read data from the GPS in the 'main loop'
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char c = GPS.read();
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// if you want to debug, this is a good time to do it!
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if (GPSECHO)
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if (c) Serial.print(c);
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}
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// if a sentence is received, we can check the checksum, parse it...
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if (GPS.newNMEAreceived()) {
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// a tricky thing here is if we print the NMEA sentence, or data
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// we end up not listening and catching other sentences!
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// so be very wary if using OUTPUT_ALLDATA and trytng to print out data
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//Serial.println(GPS.lastNMEA()); // this also sets the newNMEAreceived() flag to false
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if (!GPS.parse(GPS.lastNMEA())) // this also sets the newNMEAreceived() flag to false
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return; // we can fail to parse a sentence in which case we should just wait for another
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}
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// if millis() or timer wraps around, we'll just reset it
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if (timer > millis()) timer = millis();
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// approximately every 2 seconds or so, print out the current stats
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if (millis() - timer > 2000) {
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timer = millis(); // reset the timer
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Serial.print("\nTime: ");
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Serial.print(GPS.hour, DEC); Serial.print(':');
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Serial.print(GPS.minute, DEC); Serial.print(':');
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Serial.print(GPS.seconds, DEC); Serial.print('.');
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Serial.println(GPS.milliseconds);
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Serial.print("Date: ");
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Serial.print(GPS.day, DEC); Serial.print('/');
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Serial.print(GPS.month, DEC); Serial.print("/20");
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Serial.println(GPS.year, DEC);
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Serial.print("Fix: "); Serial.print((int)GPS.fix);
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Serial.print(" quality: "); Serial.println((int)GPS.fixquality);
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if (GPS.fix) {
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Serial.print("Location: ");
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Serial.print(GPS.latitude, 4); Serial.print(GPS.lat);
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Serial.print(", ");
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Serial.print(GPS.longitude, 4); Serial.println(GPS.lon);
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Serial.print("Speed (knots): "); Serial.println(GPS.speed);
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Serial.print("Angle: "); Serial.println(GPS.angle);
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Serial.print("Altitude: "); Serial.println(GPS.altitude);
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Serial.print("Satellites: "); Serial.println((int)GPS.satellites);
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}
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}
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}
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