GROVE i2c color sensor Library. based on https://github.com/Seeed-Studio/Grove_I2C_Color_Sensor_TCS3472
Dependents: PROJ 2PA2S 2PA2S_v2 2PA2S-interrupteur
Diff: Adafruit_TCS34725.h
- Revision:
- 0:1bf53b314b01
--- /dev/null Thu Jan 01 00:00:00 1970 +0000 +++ b/Adafruit_TCS34725.h Fri Aug 31 05:32:03 2018 +0000 @@ -0,0 +1,140 @@ +/**************************************************************************/ +/*! + @file Adafruit_TCS34725.h + @author KTOWN (Adafruit Industries) + + @section LICENSE + + Software License Agreement (BSD License) + + Copyright (c) 2013, Adafruit Industries + All rights reserved. + + Redistribution and use in source and binary forms, with or without + modification, are permitted provided that the following conditions are met: + 1. Redistributions of source code must retain the above copyright + notice, this list of conditions and the following disclaimer. + 2. Redistributions in binary form must reproduce the above copyright + notice, this list of conditions and the following disclaimer in the + documentation and/or other materials provided with the distribution. + 3. Neither the name of the copyright holders nor the + names of its contributors may be used to endorse or promote products + derived from this software without specific prior written permission. + + THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS ''AS IS'' AND ANY + EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED + WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE + DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER BE LIABLE FOR ANY + DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES + (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; + LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND + ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT + (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS + SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. +*/ +/**************************************************************************/ +#ifndef Adafruit_TCS34725_H_ +#define Adafruit_TCS34725_H_ + +#include "mbed.h" + +#define TCS34725_ADDRESS (0x29<<1) + +#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, /**< 2x gain */ + TCS34725_GAIN_16X = 0x02, /**< 16x gain */ + TCS34725_GAIN_60X = 0x03 /**< 60x gain */ +} +tcs34725Gain_t; + +class Adafruit_TCS34725 { +public: + Adafruit_TCS34725(I2C *i2c, tcs34725IntegrationTime_t = TCS34725_INTEGRATIONTIME_2_4MS, tcs34725Gain_t = TCS34725_GAIN_1X); + + bool begin(void); + void setIntegrationTime(tcs34725IntegrationTime_t it); + void setGain(tcs34725Gain_t gain); + void getRawData(uint16_t *r, uint16_t *g, uint16_t *b, uint16_t *c); + uint16_t calculateColorTemperature(uint16_t r, uint16_t g, uint16_t b); + uint16_t calculateLux(uint16_t r, uint16_t g, uint16_t b); + void write8 (uint8_t reg, uint32_t value); + uint8_t read8 (uint8_t reg); + uint16_t read16 (uint8_t reg); + void setInterrupt(bool flag); + void clearInterrupt(void); + void setIntLimits(uint16_t l, uint16_t h); + void enable(void); + +private: + bool _tcs34725Initialised; + tcs34725Gain_t _tcs34725Gain; + tcs34725IntegrationTime_t _tcs34725IntegrationTime; + + I2C *_i2c; + + void disable(void); +}; + +#endif