2 * Author: Yevgeniy Kiveisha <yevgeniy.kiveisha@intel.com>
3 * Copyright (c) 2014 Intel Corporation.
5 * Credits to Seeed Studeo.
6 * Based on Seeed Studeo code example,
7 * http://www.seeedstudio.com/wiki/index.php?title=Twig_-_I2C_Color_Sensor_v0.9b.
9 * Permission is hereby granted, free of charge, to any person obtaining
10 * a copy of this software and associated documentation files (the
11 * "Software"), to deal in the Software without restriction, including
12 * without limitation the rights to use, copy, modify, merge, publish,
13 * distribute, sublicense, and/or sell copies of the Software, and to
14 * permit persons to whom the Software is furnished to do so, subject to
15 * the following conditions:
17 * The above copyright notice and this permission notice shall be
18 * included in all copies or substantial portions of the Software.
20 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
21 * EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
22 * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
23 * NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE
24 * LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION
25 * OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION
26 * WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
33 #define ADDR 0x39 // device address
36 #define REG_TIMING 0x81
38 #define REG_INT_SOURCE 0x83
41 #define REG_LOW_THRESH_LOW_BYTE 0x88
42 #define REG_LOW_THRESH_HIGH_BYTE 0x89
43 #define REG_HIGH_THRESH_LOW_BYTE 0x8A
44 #define REG_HIGH_THRESH_HIGH_BYTE 0x8B
45 #define REG_BLOCK_READ 0xCF
46 #define REG_GREEN_LOW 0xD0
47 #define REG_GREEN_HIGH 0xD1
48 #define REG_RED_LOW 0xD2
49 #define REG_RED_HIGH 0xD3
50 #define REG_BLUE_LOW 0xD4
51 #define REG_BLUE_HIGH 0xD5
52 #define REG_CLEAR_LOW 0xD6
53 #define REG_CLEAR_HIGH 0xD7
54 #define CTL_DAT_INIITIATE 0x03
58 #define SYNC_EDGE 0x40
59 #define INTEG_MODE_FREE 0x00
60 #define INTEG_MODE_MANUAL 0x10
61 #define INTEG_MODE_SYN_SINGLE 0x20
62 #define INTEG_MODE_SYN_MULTI 0x30
64 #define INTEG_PARAM_PULSE_COUNT1 0x00
65 #define INTEG_PARAM_PULSE_COUNT2 0x01
66 #define INTEG_PARAM_PULSE_COUNT4 0x02
67 #define INTEG_PARAM_PULSE_COUNT8 0x03
69 /* Interrupt Control Register */
71 #define INTR_DISABLE 0x00
72 #define INTR_LEVEL 0x10
73 #define INTR_PERSIST_EVERY 0x00
74 #define INTR_PERSIST_SINGLE 0x01
76 /* Interrupt Souce Register */
77 #define INT_SOURCE_GREEN 0x00
78 #define INT_SOURCE_RED 0x01
79 #define INT_SOURCE_BLUE 0x10
80 #define INT_SOURCE_CLEAR 0x03
87 #define PRESCALER_1 0x00
88 #define PRESCALER_2 0x01
89 #define PRESCALER_4 0x02
90 #define PRESCALER_8 0x03
91 #define PRESCALER_16 0x04
92 #define PRESCALER_32 0x05
93 #define PRESCALER_64 0x06
108 * @brief C++ API for TCS3414CS chip (Color sensor)
110 * This file defines the TCS3414CS C++ interface for libtcs3414cs
116 * Instanciates a TCS3414CS object
118 * @param bus number of used bus
123 * TCS3414CS object destructor, basicaly it close i2c connection.
128 * Get the RGB value from sensor.
130 * @param rgb color values
132 void readRGB (tcs3414sc_rgb_t * rgb);
137 void clearInterrupt ();
140 * Return name of the component
148 mraa_i2c_context m_i2Ctx;
150 uint16_t i2cReadReg_N (int reg, unsigned int len, uint8_t * buffer);
151 mraa_result_t i2cWriteReg_N (uint8_t reg, unsigned int len, uint8_t * buffer);
152 mraa_result_t i2cWriteReg (uint8_t reg, uint8_t data);