#ifndef DFRobot_TCS34725_H #define DFRobot_TCS34725_H #if ARDUINO >= 100 #include #else #include #endif #include #define TCS34725_ADDRESS (0x29) #define TCS34725_COMMAND_BIT (0x80) #define TCS34725_ENABLE (0x00) #define TCS34725_ENABLE_AIEN (0x10) ///< RGBC Interrupt Enable #define TCS34725_ENABLE_WEN (0x08) ///< Wait enable - Writing 1 activates the wait timer #define TCS34725_ENABLE_AEN (0x02) ///< RGBC Enable - Writing 1 actives the ADC, 0 disables it #define TCS34725_ENABLE_PON (0x01) ///< Power on - Writing 1 activates the internal oscillator, 0 disables it #define TCS34725_ATIME (0x01) ///< Integration time #define TCS34725_WTIME (0x03) ///< Wait time (if TCS34725_ENABLE_WEN is asserted) #define TCS34725_WTIME_2_4MS (0xFF) ///< WLONG0 = 2.4ms WLONG1 = 0.029s #define TCS34725_WTIME_204MS (0xAB) ///< WLONG0 = 204ms WLONG1 = 2.45s #define TCS34725_WTIME_614MS (0x00) ///< WLONG0 = 614ms WLONG1 = 7.4s #define TCS34725_AILTL (0x04) ///< Clear channel lower interrupt threshold #define TCS34725_AILTH (0x05) #define TCS34725_AIHTL (0x06) ///< Clear channel upper interrupt threshold #define TCS34725_AIHTH (0x07) #define TCS34725_PERS (0x0C) ///< Persistence register - basic SW filtering mechanism for interrupts #define TCS34725_PERS_NONE (0b0000) ///< Every RGBC cycle generates an interrupt #define TCS34725_PERS_1_CYCLE (0b0001) ///< 1 clean channel value outside threshold range generates an interrupt #define TCS34725_PERS_2_CYCLE (0b0010) ///< 2 clean channel values outside threshold range generates an interrupt #define TCS34725_PERS_3_CYCLE (0b0011) ///< 3 clean channel values outside threshold range generates an interrupt #define TCS34725_PERS_5_CYCLE (0b0100) ///< 5 clean channel values outside threshold range generates an interrupt #define TCS34725_PERS_10_CYCLE (0b0101) ///< 10 clean channel values outside threshold range generates an interrupt #define TCS34725_PERS_15_CYCLE (0b0110) ///< 15 clean channel values outside threshold range generates an interrupt #define TCS34725_PERS_20_CYCLE (0b0111) ///< 20 clean channel values outside threshold range generates an interrupt #define TCS34725_PERS_25_CYCLE (0b1000) ///< 25 clean channel values outside threshold range generates an interrupt #define TCS34725_PERS_30_CYCLE (0b1001) ///< 30 clean channel values outside threshold range generates an interrupt #define TCS34725_PERS_35_CYCLE (0b1010) ///< 35 clean channel values outside threshold range generates an interrupt #define TCS34725_PERS_40_CYCLE (0b1011) ///< 40 clean channel values outside threshold range generates an interrupt #define TCS34725_PERS_45_CYCLE (0b1100) ///< 45 clean channel values outside threshold range generates an interrupt #define TCS34725_PERS_50_CYCLE (0b1101) ///< 50 clean channel values outside threshold range generates an interrupt #define TCS34725_PERS_55_CYCLE (0b1110) ///< 55 clean channel values outside threshold range generates an interrupt #define TCS34725_PERS_60_CYCLE (0b1111) ///< 60 clean channel values outside threshold range generates an interrupt #define TCS34725_CONFIG (0x0D) #define TCS34725_CONFIG_WLONG (0x02) ///< Choose between short and long (12x) wait times via TCS34725_WTIME #define TCS34725_CONTROL (0x0F) ///< Set the gain level for the sensor #define TCS34725_ID (0x12) ///< 0x44 = TCS34721/TCS34725, 0x4D = TCS34723/TCS34727 #define TCS34725_STATUS (0x13) #define TCS34725_STATUS_AINT (0x10) ///< RGBC Clean channel interrupt #define TCS34725_STATUS_AVALID (0x01) ///< Indicates that the RGBC channels have completed an integration cycle #define TCS34725_CDATAL (0x14) ///< Clear channel data #define TCS34725_CDATAH (0x15) #define TCS34725_RDATAL (0x16) ///< Red channel data #define TCS34725_RDATAH (0x17) #define TCS34725_GDATAL (0x18) ///< Green channel data #define TCS34725_GDATAH (0x19) #define TCS34725_BDATAL (0x1A) ///< Blue channel data #define TCS34725_BDATAH (0x1B) typedef enum { TCS34725_INTEGRATIONTIME_2_4MS = 0xFF, ///< 2.4ms - 1 cycle - Max Count: 1024 TCS34725_INTEGRATIONTIME_24MS = 0xF6, ///< 24ms - 10 cycles - Max Count: 10240 TCS34725_INTEGRATIONTIME_50MS = 0xEB, ///< 50ms - 20 cycles - Max Count: 20480 TCS34725_INTEGRATIONTIME_101MS = 0xD5, ///< 101ms - 42 cycles - Max Count: 43008 TCS34725_INTEGRATIONTIME_154MS = 0xC0, ///< 154ms - 64 cycles - Max Count: 65535 TCS34725_INTEGRATIONTIME_700MS = 0x00 ///< 700ms - 256 cycles - Max Count: 65535 } tcs34725IntegrationTime_t; typedef enum { TCS34725_GAIN_1X = 0x00, ///< No gain TCS34725_GAIN_4X = 0x01, ///< 4x gain TCS34725_GAIN_16X = 0x02, ///< 16x gain TCS34725_GAIN_60X = 0x03 ///< 60x gain } tcs34725Gain_t; class DFRobot_TCS34725 { public: /*! * @brief Constructor. * @param tcs34725IntegrationTime_t Integration time . * @param tcs34725Gain_t gain. */ DFRobot_TCS34725(); /*! * @brief Initializes I2C and configures the sensor (call this function beforedoing anything else). * @return 0 success. */ boolean begin(tcs34725IntegrationTime_t = TCS34725_INTEGRATIONTIME_50MS, tcs34725Gain_t = TCS34725_GAIN_4X); /*! * @brief Sets the integration time for the TC34725. * @param it integration time. */ void setIntegrationTime(tcs34725IntegrationTime_t it); /*! * @brief Adjusts the gain on the TCS34725 (adjusts the sensitivity to light) * @param gain gain time. */ void setGain(tcs34725Gain_t gain); /*! * @brief Reads the raw red, green, blue and clear channel values * @param r red. * @param g green. * @param b blue. */ void getRGBC(uint16_t *r = NULL, uint16_t *g = NULL, uint16_t *b = NULL, uint16_t *c = NULL, bool wait = true); /*! * @brief Converts the raw R/G/B values to color temperature in degrees * @param r red. * @param g green. * @param b blue. * @return c. */ uint16_t calculateColorTemperature(uint16_t r, uint16_t g, uint16_t b); /*! * @brief Converts the raw R/G/B values to lux * @param r red. * @param g green. * @param b blue. * @return lux. */ uint16_t calculateLux(uint16_t r, uint16_t g, uint16_t b); /*! * @brief Writes a register and an 8 bit value over I2C * @param reg register address . * @param value data. */ void writeReg (uint8_t reg, uint32_t value); /*! * @brief Reads an 8 bit value over I2C * @param reg register address . * @return I2C data. */ uint8_t readReg (uint8_t reg); /*! * @brief Reads an 8 bit value over I2C * @param reg register address . * @return I2C data. */ uint16_t readRegWord (uint8_t reg); /*! * @brief Interrupts enabled */ void lock(void); /*! * @brief Interrupts disabled */ void unlock(void); /*! * @brief clear Interrupts */ void clear(void); /*! * @brief set Int Limits * @param l low . * @param h high . */ void setIntLimits(uint16_t l, uint16_t h); /*! * @brief Enables the device */ void enable(void); /*! * @brief Reads the raw red channel values */ uint16_t getRed(); uint16_t getRedToGamma(); /*! * @brief Reads the raw green channel values */ uint16_t getGreen(); uint16_t getGreenToGamma(); /*! * @brief Reads the raw blue channel values */ uint16_t getBlue(); uint16_t getBlueToGamma(); private: boolean _tcs34725Initialised;///