shtc1.h

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/*
 * Copyright 2017, RWTH Aachen. All rights reserved.
 *
 * 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.
 */
 
#ifndef SHTC1_H
#define SHTC1_H
 
#include <stdint.h>
#include "saul.h"
 
#include "periph/i2c.h"
 
#ifdef __cplusplus
extern "C" {
#endif
 
#ifndef SHTC1_I2C_ADDRESS
#define SHTC1_I2C_ADDRESS         (0x70)
#endif
 
typedef struct {
    i2c_t i2c_dev;              
    uint8_t i2c_addr;           
} shtc1_params_t;
typedef struct {
    shtc1_params_t params;  
} shtc1_t;
enum {
    SHTC1_OK,           
    SHTC1_ERROR_BUS,    
    SHTC1_ERROR_CRC,    
    SHTC1_ERROR         
};
 
int8_t shtc1_init(shtc1_t* const dev, const shtc1_params_t* params);
 
int8_t shtc1_read(const shtc1_t *dev, uint16_t *rel_humidity, int16_t *temperature);
 
int8_t shtc1_id(const shtc1_t *dev, uint16_t *id);
 
int8_t shtc1_reset(const shtc1_t *dev);
 
#ifdef __cplusplus
}
#endif
 
#endif /* SHTC1_H */