sensoresp/src/tcs34725_agc.h

//copied from example code: https://github.com/adafruit/Adafruit_TCS34725/blob/master/examples/tcs34725autorange/tcs34725autorange.ino
#ifdef SENSOR_TCS34725

#ifndef _TCS34725_AGC_H_
#define _TCS34725_AGC_H_

#include <Wire.h>
#include "Adafruit_TCS34725.h"


#define TCS34725_R_Coef 0.136
#define TCS34725_G_Coef 1.000
#define TCS34725_B_Coef -0.444
#define TCS34725_GA 1.0
#define TCS34725_DF 310.0
#define TCS34725_CT_Coef 3810.0
#define TCS34725_CT_Offset 1391.0

// Autorange class for TCS34725
class tcs34725 {
private:
  struct tcs_agc {
    tcs34725Gain_t ag;
    tcs34725IntegrationTime_t at;
    uint16_t mincnt;
    uint16_t maxcnt;
  };
  static const tcs_agc agc_lst[];
  uint16_t agc_cur;

  void setGainTime(void);
  Adafruit_TCS34725 tcs;

public:
  tcs34725(void);

  boolean begin(void);
  void getData(void);

  boolean isAvailable, isSaturated;
  uint16_t againx, atime, atime_ms;
  uint16_t r, g, b, c;
  uint16_t ir;
  uint16_t r_comp, g_comp, b_comp, c_comp;
  uint16_t saturation, saturation75;
  float cratio, cpl, ct, lux, maxlux;
};

#endif

#endif