Example Code for a TMP102 I2c Thermometer sensor

.from:  https://github.com/codebendercc/arduino-files/blob/master/extra-libraries/ArduSat-I2Csensors/tmp102.cpp

X------------------------X tmp102.h X-------------------------X

/*

mag3110.h

libary for using the I2C tmp102 temperature sensor

(c) Written by Jeroen Cappaert for NanoSatisfi, August 2012

*/

#ifndef tmp102_h

#define tmp102_h

#include <Arduino.h>

#define TEMP_ADDR 0x48 // Temp-sensor data register

class tmp102

{

  public:

    tmp102();

   float getTemperature();

  private:

};

#endif

X------------------------X tmp102.cpp X-------------------------X

/*

tmp102.cpp

libary for using the I2C tmp102 temperature sensor

(c) Written by Jeroen Cappaert for NanoSatisfi, August 2012

*/

#include <Arduino.h>

#include "tmp102.h"

#include <Wire.h>

//Constructor

tmp102::tmp102()

{

  

}

// get temperature value

float tmp102::getTemperature()

{

  Wire.requestFrom(TEMP_ADDR,2);

  byte MSB = Wire.read();

  byte LSB = Wire.read();

  //it's a 12bit int, using two's compliment for negative

  int TemperatureSum = ((MSB << 8) | LSB) >> 4;

  float celsius = TemperatureSum*0.0625;

  return celsius;

}

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