Adafruit_TMP006.h

/*************************************************** 
  This is a library for the TMP006 Temp Sensor

  Designed specifically to work with the Adafruit TMP006 Breakout 
  ----> https://www.adafruit.com/products/1296

  These displays use I2C to communicate, 2 pins are required to  
  interface
  Adafruit invests time and resources providing this open source code, 
  please support Adafruit and open-source hardware by purchasing 
  products from Adafruit!

  Written by Limor Fried/Ladyada for Adafruit Industries.  
  BSD license, all text above must be included in any redistribution
 ****************************************************/

#define TMP006_B0 -0.0000294
#define TMP006_B1 -0.00000057
#define TMP006_B2 0.00000000463
#define TMP006_C2 13.4
#define TMP006_TREF 298.15
#define TMP006_A2 -0.00001678
#define TMP006_A1 0.00175
#define TMP006_S0 6.4  // * 10^-14

#if (ARDUINO >= 100)
 #include "Arduino.h"
#else
 #include "WProgram.h"
#endif
//#include <Adafruit_Sensor.h>

#ifdef __AVR_ATtiny85__
  #include "TinyWireM.h"
  #define Wire TinyWireM
#else
  #include "Wire.h"
#endif

// uncomment for debugging!
//#define TMP006_DEBUG 1

#define TMP006_CONFIG     0x02

#define TMP006_CFG_RESET    0x8000
#define TMP006_CFG_MODEON   0x7000
#define TMP006_CFG_1SAMPLE  0x0000
#define TMP006_CFG_2SAMPLE  0x0200
#define TMP006_CFG_4SAMPLE  0x0400
#define TMP006_CFG_8SAMPLE  0x0600
#define TMP006_CFG_16SAMPLE 0x0800
#define TMP006_CFG_DRDYEN   0x0100
#define TMP006_CFG_DRDY     0x0080

#define TMP006_I2CADDR 0x40
#define TMP006_MANID 0xFE
#define TMP006_DEVID 0xFF

#define TMP006_VOBJ  0x00
#define TMP006_TAMB 0x01

class Adafruit_TMP006  {
 public:
  Adafruit_TMP006(uint8_t addr = TMP006_I2CADDR);
  bool begin(uint16_t samplerate = TMP006_CFG_16SAMPLE);  // by default go highres

  bool sleep();  // Put chip into low power mode (disables temperature measurements).
  bool wake();   // Wake from low power mode.
  bool drdy();   // check data ready bit

  int16_t readRawDieTemperature(void);
  int16_t readRawVoltage(void);
  double readObjTempC(void);
  double readDieTempC(void);

 private:
  uint8_t _addr;
  uint16_t read16(uint8_t addr);
  bool write16(uint8_t addr, uint16_t data);
};