tcs37727.h

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/*
 * Copyright (C) 2015 PHYTEC Messtechnik GmbH
 *               2017 Freie Universität Berlin
 *
 * This file is subject to the terms and conditions of the GNU Lesser
 * General Public License v2.1. See the file LICENSE in the top level
 * directory for more details.
 */
 
#pragma once

 
#include <stdint.h>
 
#include "periph/i2c.h"
 
#ifdef __cplusplus
extern "C"
{
#endif

#define TCS37727_I2C_ADDRESS    0x29

#ifndef CONFIG_TCS37727_ATIME_DEFAULT
#define CONFIG_TCS37727_ATIME_DEFAULT  200000
#endif

typedef struct {
    uint32_t red;           
    uint32_t green;         
    uint32_t blue;          
    uint32_t clear;         
    uint32_t lux;           
    uint32_t ct;            
} tcs37727_data_t;

typedef struct {
    i2c_t i2c;              
    uint8_t addr;           
    uint32_t atime;         
} tcs37727_params_t;

typedef struct {
    tcs37727_params_t p;    
    int again;              
} tcs37727_t;

enum {
    TCS37727_OK     =  0,   
    TCS37727_NOBUS  = -1,   
    TCS37727_NODEV  = -2    
};

int tcs37727_init(tcs37727_t *dev, const tcs37727_params_t *params);

void tcs37727_set_rgbc_active(const tcs37727_t *dev);

void tcs37727_set_rgbc_standby(const tcs37727_t *dev);

void tcs37727_read(const tcs37727_t *dev, tcs37727_data_t *data);
 
#ifdef __cplusplus
}
#endif