Adafruit_MCP9600.h

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/**************************************************************************/
/**************************************************************************/
#ifndef __ADAFRUIT_MCP9600_H__
#define __ADAFRUIT_MCP9600_H__

#include <Adafruit_I2CDevice.h>
#include <Adafruit_I2CRegister.h>
#include <Arduino.h>
#include <Wire.h>

#define MCP9600_I2CADDR_DEFAULT 0x67 

#define MCP9600_HOTJUNCTION 0x00   
#define MCP9600_JUNCTIONDELTA 0x01 
#define MCP9600_COLDJUNCTION 0x02  
#define MCP9600_RAWDATAADC 0x03    
#define MCP9600_STATUS 0x04        
#define MCP9600_SENSORCONFIG 0x05  
#define MCP9600_DEVICECONFIG 0x06  
#define MCP9600_DEVICEID 0x20      
#define MCP9600_ALERTCONFIG_1 0x08 
#define MCP9600_ALERTHYST_1 0x0C   
#define MCP9600_ALERTLIMIT_1 0x10  

#define MCP960X_STATUS_ALERT1 0x01     
#define MCP960X_STATUS_ALERT2 0x02     
#define MCP960X_STATUS_ALERT3 0x04     
#define MCP960X_STATUS_ALERT4 0x08     
#define MCP960X_STATUS_INPUTRANGE 0x10 
#define MCP960X_STATUS_THUPDATE 0x40   
#define MCP960X_STATUS_BURST 0x80      


typedef enum _themotype {
  MCP9600_TYPE_K,
  MCP9600_TYPE_J,
  MCP9600_TYPE_T,
  MCP9600_TYPE_N,
  MCP9600_TYPE_S,
  MCP9600_TYPE_E,
  MCP9600_TYPE_B,
  MCP9600_TYPE_R,
} MCP9600_ThemocoupleType;

typedef enum _resolution {
  MCP9600_ADCRESOLUTION_18,
  MCP9600_ADCRESOLUTION_16,
  MCP9600_ADCRESOLUTION_14,
  MCP9600_ADCRESOLUTION_12,
} MCP9600_ADCResolution;

typedef enum {
  RES_ZERO_POINT_25 = 0b00,   
  RES_ZERO_POINT_125 = 0b01,  
  RES_ZERO_POINT_0625 = 0b10, 
  RES_ZERO_POINT_03125 = 0b11 
} Ambient_Resolution;

/**************************************************************************/
/**************************************************************************/
class Adafruit_MCP9600 {
public:
  Adafruit_MCP9600();
  boolean begin(uint8_t i2c_addr = MCP9600_I2CADDR_DEFAULT,
                TwoWire *theWire = &Wire);

  float readThermocouple(void);
  float readAmbient(void);

  void enable(bool flag);
  bool enabled(void);

  MCP9600_ThemocoupleType getThermocoupleType(void);
  void setThermocoupleType(MCP9600_ThemocoupleType);

  uint8_t getFilterCoefficient(void);
  void setFilterCoefficient(uint8_t);

  void setADCresolution(MCP9600_ADCResolution resolution);
  MCP9600_ADCResolution getADCresolution(void);
  int32_t readADC(void);

  void setAmbientResolution(Ambient_Resolution res_value);

  void setAlertTemperature(uint8_t alert, float temp);
  float getAlertTemperature(uint8_t alert);
  void configureAlert(uint8_t alert, bool enabled, bool rising,
                      bool alertColdJunction = false, bool activeHigh = false,
                      bool interruptMode = false);

  uint8_t getStatus(void);

protected:
  uint8_t _device_id = 0; 
private:
  Adafruit_I2CDevice *i2c_dev;
  Adafruit_I2CRegister *_config_reg;
};

#endif // #define __ADAFRUIT_MCP9600_H__