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/*
* Author: Yevgeniy Kiveisha <yevgeniy.kiveisha@intel.com>
* Copyright (c) 2014 Intel Corporation.
*
* Credits to Seeed Studeo.
* Based on Seeed Studeo code example,
* http://www.seeedstudio.com/wiki/index.php?title=Twig_-_I2C_Color_Sensor_v0.9b.
*
* Permission is hereby granted, free of charge, to any person obtaining
* a copy of this software and associated documentation files (the
* "Software"), to deal in the Software without restriction, including
* without limitation the rights to use, copy, modify, merge, publish,
* distribute, sublicense, and/or sell copies of the Software, and to
* permit persons to whom the Software is furnished to do so, subject to
* the following conditions:
*
* The above copyright notice and this permission notice shall be
* included in all copies or substantial portions of the Software.
*
* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
* EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
* MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
* NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE
* LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION
* OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION
* WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
*/
#pragma once
#include <string>
#include <mraa/i2c.hpp>
#define ADDR 0x39 // device address
#define REG_CTL 0x80
#define REG_TIMING 0x81
#define REG_INT 0x82
#define REG_INT_SOURCE 0x83
#define REG_ID 0x84
#define REG_GAIN 0x87
#define REG_LOW_THRESH_LOW_BYTE 0x88
#define REG_LOW_THRESH_HIGH_BYTE 0x89
#define REG_HIGH_THRESH_LOW_BYTE 0x8A
#define REG_HIGH_THRESH_HIGH_BYTE 0x8B
#define REG_BLOCK_READ 0xCF
#define REG_GREEN_LOW 0xD0
#define REG_GREEN_HIGH 0xD1
#define REG_RED_LOW 0xD2
#define REG_RED_HIGH 0xD3
#define REG_BLUE_LOW 0xD4
#define REG_BLUE_HIGH 0xD5
#define REG_CLEAR_LOW 0xD6
#define REG_CLEAR_HIGH 0xD7
#define CTL_DAT_INIITIATE 0x03
#define CLR_INT 0xE0
/* Timing Register */
#define SYNC_EDGE 0x40
#define INTEG_MODE_FREE 0x00
#define INTEG_MODE_MANUAL 0x10
#define INTEG_MODE_SYN_SINGLE 0x20
#define INTEG_MODE_SYN_MULTI 0x30
#define INTEG_PARAM_PULSE_COUNT1 0x00
#define INTEG_PARAM_PULSE_COUNT2 0x01
#define INTEG_PARAM_PULSE_COUNT4 0x02
#define INTEG_PARAM_PULSE_COUNT8 0x03
/* Interrupt Control Register */
#define INTR_STOP 40
#define INTR_DISABLE 0x00
#define INTR_LEVEL 0x10
#define INTR_PERSIST_EVERY 0x00
#define INTR_PERSIST_SINGLE 0x01
/* Interrupt Souce Register */
#define INT_SOURCE_GREEN 0x00
#define INT_SOURCE_RED 0x01
#define INT_SOURCE_BLUE 0x10
#define INT_SOURCE_CLEAR 0x03
/* Gain Register */
#define GAIN_1 0x00
#define GAIN_4 0x10
#define GAIN_16 0x20
#define GANI_64 0x30
#define PRESCALER_1 0x00
#define PRESCALER_2 0x01
#define PRESCALER_4 0x02
#define PRESCALER_8 0x03
#define PRESCALER_16 0x04
#define PRESCALER_32 0x05
#define PRESCALER_64 0x06
#define HIGH 1
#define LOW 0
namespace upm {
typedef struct {
uint16_t r;
uint16_t g;
uint16_t b;
uint16_t clr;
} tcs3414sc_rgb_t;
/**
* @brief TCS3414CS Color Sensor library
* @defgroup tcs3414cs libupm-tcs3414cs
* @ingroup seeed i2c color
*/
/**
* @library tcs3414cs
* @sensor tcs3414cs
* @comname TCS3414CS Color Sensor
* @altname Grove Color Sensor
* @type color
* @man seeed
* @web http://www.seeedstudio.com/wiki/Grove_-_I2C_Color_Sensor
* @con i2c
*
* @brief API for the TCS3414CS Color Sensor
*
* This module defines the TCS3414CS interface for the color sensor
*
* @image html tcs3414cs.jpg
* @snippet tcs3414cs.cxx Interesting
*/
class TCS3414CS {
public:
/**
* Instantiates a TCS3414CS object
*
* @param bus Number of the used bus
*/
TCS3414CS ();
/**
* Gets the RGB value from the sensor.
*
* @param rgb Color values
*/
void readRGB (tcs3414sc_rgb_t * rgb);
/**
* Clears interrupts.
*/
void clearInterrupt ();
/**
* Returns the name of the component
*/
std::string name()
{
return m_name;
}
private:
std::string m_name;
mraa::I2c m_i2Ctx;
uint16_t i2cReadReg_N (int reg, unsigned int len, uint8_t * buffer);
mraa::Result i2cWriteReg_N (uint8_t reg, unsigned int len, uint8_t * buffer);
mraa::Result i2cWriteReg (uint8_t reg, uint8_t data);
};
}
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