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| // #include <SPI.h>
#include <Adafruit_GPS.h>
#include <SoftwareSerial.h>
#include <SD.h>
// #include <avr/sleep.h>
// example original sensor temp <a href="https://forums.adafruit.com/viewtopic.php?f=31&t=121089" target="_blank">https://forums.adafruit.com/viewtopic.php?f=31&t=121089</a>
// Ladyada's logger modified by Bill Greiman to use the SdFat library
// Adaptation avec capteur gaz MQ
// This code shows how to listen to the GPS module in an interrupt
// which allows the program to have more 'freedom' - just parse
// when a new NMEA sentence is available! Then access data when
// desired.
//
// Tested and works great with the Adafruit Ultimate GPS Shield
// using MTK33x9 chipset
// ------> <a href="http://www.adafruit.com/products/" target="_blank">http://www.adafruit.com/products/</a>
SoftwareSerial mySerial(8, 7);
Adafruit_GPS GPS(&mySerial);
// 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 true
/* set to true to only log to SD when GPS has a fix, for debugging, keep it false */
#define LOG_FIXONLY false
// this keeps track of whether we're using the interrupt
// off by default!
boolean usingInterrupt = false;
void useInterrupt(boolean); // Func prototype keeps Arduino 0023 happy
// Set the pins used
#define chipSelect 10
#define ledPin 13
#define aref_voltage 4.8
File logfile;
// read a Hex value and return the decimal equivalent
// uint8_t parseHex(char c) {
// if (c < '0')
// return 0;
// if (c <= '9')
// return c - '0';
// if (c < 'A')
// return 0;
// if (c <= 'F')
// return (c - 'A')+10;
// }
// blink out an error code
void error(uint8_t errno) {
/*
if (SD.errorCode()) {
putstring("SD error: ");
Serial.print(card.errorCode(), HEX);
Serial.print(',');
Serial.println(card.errorData(), HEX);
}
*/
while(1) {
uint8_t i;
for (i=0; i<errno; i++) {
digitalWrite(ledPin, HIGH);
delay(100);
digitalWrite(ledPin, LOW);
delay(100);
}
for (i=errno; i<10; i++) {
delay(200);
}
}
}
void setup() {
// for Leonardos, if you want to debug SD issues, uncomment this line
// to see serial output
//while (!Serial);
// connect at 115200 so we can read the GPS fast enough and echo without dropping chars
// also spit it out
Serial.begin(115200);
Serial.println(F("\r\nUltimate GPSlogger Shield"));
pinMode(ledPin, OUTPUT);
// make sure that the default chip select pin is set to
// output, even if you don't use it:
pinMode(10, OUTPUT);
// see if the card is present and can be initialized:
//if (!SD.begin(chipSelect, 11, 12, 13)) {
if (!SD.begin(chipSelect)) { // if you're using an UNO, you can use this line instead
Serial.println(F("Card init. failed!"));
error(2);
}
char filename[15];
strcpy(filename, "GPSLOG00.CSV");
for (uint8_t i = 0; i < 100; i++) {
filename[6] = '0' + i/10;
filename[7] = '0' + i%10;
// create if does not exist, do not open existing, write, sync after write
if (! SD.exists(filename)) {
break;
}
}
logfile = SD.open(filename, FILE_WRITE);
if( ! logfile ) {
Serial.print(F("Couldnt create "));
Serial.println(filename);
error(3);
}
Serial.print(F("Writing to "));
Serial.println(filename);
// connect to the GPS at the desired rate
GPS.begin(9600);
// uncomment this line to turn on RMC (recommended minimum) and GGA (fix data) including altitude modif 2606
// GPS.sendCommand(PMTK_SET_NMEA_OUTPUT_RMCGGA);
// only GGA rajout 3006
GPS.sendCommand(PMTK_SET_NMEA_OUTPUT_GGA);
// uncomment this line to turn on only the "minimum recommended" data modif 2606
// GPS.sendCommand(PMTK_SET_NMEA_OUTPUT_RMCONLY);
// For logging data, we don't suggest using anything but either RMC only or RMC+GGA
// to keep the log files at a reasonable size
// Set the update rate
GPS.sendCommand(PMTK_SET_NMEA_UPDATE_5HZ); // 100 millihertz (once every 10 seconds), 1Hz or 5Hz update rate
// Turn off updates on antenna status, if the firmware permits it
GPS.sendCommand(PGCMD_NOANTENNA);
// 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);
Serial.println(F("Ready!"));
}
// Interrupt is called once a millisecond, looks for any new GPS data, and stores it
SIGNAL(TIMER0_COMPA_vect) {
char c = GPS.read();
// if you want to debug, this is a good time to do it!
#ifdef UDR0
if (GPSECHO)
if (c) UDR0 = c;
// writing direct to UDR0 is much much faster than Serial.print
// but only one character can be written at a time.
#endif
}
void useInterrupt(boolean v) {
if (v) {
// Timer0 is already used for millis() - we'll just interrupt somewhere
// in the middle and call the "Compare A" function above
OCR0A = 0xAF;
TIMSK0 |= _BV(OCIE0A);
usingInterrupt = true;
}
else {
// do not call the interrupt function COMPA anymore
TIMSK0 &= ~_BV(OCIE0A);
usingInterrupt = false;
}
}
void loop() {
int sensorPin = 0;
if (! usingInterrupt) {
// read data from the GPS in the 'main loop'
char c = GPS.read();
// if you want to debug, this is a good time to do it!
if (GPSECHO)
if (c) Serial.print(c);
}
// if a sentence is received, we can check the checksum, parse it...
if (GPS.newNMEAreceived()) {
// a tricky thing here is if we print the NMEA sentence, or data
// we end up not listening and catching other sentences!
// so be very wary if using OUTPUT_ALLDATA and trying to print out data
// Don't call lastNMEA more than once between parse calls! Calling lastNMEA
// will clear the received flag and can cause very subtle race conditions if
// new data comes in before parse is called again.
char *stringptr = GPS.lastNMEA();
if (!GPS.parse(stringptr)) // this also sets the newNMEAreceived() flag to false
return; // we can fail to parse a sentence in which case we should just wait for another
// Sentence parsed!
Serial.println(F("OK"));
if (LOG_FIXONLY && !GPS.fix) {
Serial.print(F("No Fix"));
return;
}
//getting the voltage reading from the temperature sensor THX : partie modifiee
int reading = analogRead(sensorPin);
word voltage = reading * aref_voltage;
float sensor_volt;
float sensorValue;
sensorValue = analogRead(A0);
sensor_volt = sensorValue/1024*5.0;
// Rad. lets log it!
Serial.println(F("Log"));
uint8_t stringsize = strlen(stringptr);
//if (stringsize != logfile.write((uint8_t *)stringptr, stringsize)) // Check to see if the data written is correct.
//error(4);
String stringptrNew = (String)stringptrNew;
stringptrNew.replace("\n", "");
stringptrNew.replace("\r", "");
if (strstr(stringptr, "RMC") || strstr(stringptr, "GGA")) logfile.flush();
//logfile.print(",");
// partie ajoutee perso
logfile.print(stringptrNew + ","); Serial.println(sensor_volt);
Serial.print(stringptrNew + ","); Serial.println(sensor_volt);
}
}
/* End code */ |
