Adafruit_LTR390.h

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#ifndef _ADAFRUIT_LTR390_H
#define _ADAFRUIT_LTR390_H

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

#define LTR390_I2CADDR_DEFAULT 0x53 
#define LTR390_MAIN_CTRL 0x00       
#define LTR390_MEAS_RATE 0x04       
#define LTR390_GAIN 0x05            
#define LTR390_PART_ID 0x06         
#define LTR390_MAIN_STATUS 0x07     
#define LTR390_ALSDATA 0x0D         
#define LTR390_UVSDATA 0x10         
#define LTR390_INT_CFG 0x19         
#define LTR390_INT_PST 0x1A         
#define LTR390_THRESH_UP 0x21       
#define LTR390_THRESH_LOW 0x24      


typedef enum {
  LTR390_MODE_ALS,
  LTR390_MODE_UVS,
} ltr390_mode_t;

typedef enum {
  LTR390_GAIN_1 = 0,
  LTR390_GAIN_3,
  LTR390_GAIN_6,
  LTR390_GAIN_9,
  LTR390_GAIN_18,
} ltr390_gain_t;

typedef enum {
  LTR390_RESOLUTION_20BIT,
  LTR390_RESOLUTION_19BIT,
  LTR390_RESOLUTION_18BIT,
  LTR390_RESOLUTION_17BIT,
  LTR390_RESOLUTION_16BIT,
  LTR390_RESOLUTION_13BIT,
} ltr390_resolution_t;

class Adafruit_LTR390 {
public:
  Adafruit_LTR390();
  bool begin(TwoWire *theWire = &Wire);
  bool reset(void);

  void enable(bool en);
  bool enabled(void);

  void setMode(ltr390_mode_t mode);
  ltr390_mode_t getMode(void);

  void setGain(ltr390_gain_t gain);
  ltr390_gain_t getGain(void);

  void setResolution(ltr390_resolution_t res);
  ltr390_resolution_t getResolution(void);

  void setThresholds(uint32_t lower, uint32_t higher);

  void configInterrupt(bool enable, ltr390_mode_t source,
                       uint8_t persistance = 0);

  bool newDataAvailable(void);
  uint32_t readUVS(void);
  uint32_t readALS(void);

private:
  Adafruit_I2CRegister *StatusReg;
  Adafruit_I2CRegisterBits *DataReadyBit;

  Adafruit_I2CDevice *i2c_dev;
};

#endif