bh1750fvi.h

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/*
 * Copyright (C) 2016 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 "periph/i2c.h"
 
#ifdef __cplusplus
extern "C" {
#endif
 
#define BH1750FVI_ADDR_PIN_LOW          (0x23)      
#define BH1750FVI_ADDR_PIN_HIGH         (0x5c)      
#define BH1750FVI_DEFAULT_ADDR          BH1750FVI_ADDR_PIN_LOW
 
#define BH1750FVI_I2C_MAX_CLK           I2C_SPEED_FAST
 
enum {
    BH1750FVI_OK      =  0,     
    BH1750FVI_ERR_I2C = -1      
};
 
typedef struct {
    i2c_t i2c;          
    uint8_t addr;       
} bh1750fvi_t;
 
typedef struct {
    i2c_t i2c;          
    uint8_t addr;       
} bh1750fvi_params_t;
 
int bh1750fvi_init(bh1750fvi_t *dev, const bh1750fvi_params_t *params);
 
uint16_t bh1750fvi_sample(const bh1750fvi_t *dev);
 
#ifdef __cplusplus
}
#endif