shtcx.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.
 */
 
#pragma once

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

#ifndef SHTCX_I2C_ADDRESS
#define SHTCX_I2C_ADDRESS         (0x70)
#endif

typedef struct {
    i2c_t i2c_dev;              
    uint8_t i2c_addr;           
} shtcx_params_t;


typedef struct {
    shtcx_params_t params;  
} shtcx_t;

 
enum {
    SHTCX_OK,           
    SHTCX_ERROR_BUS,    
    SHTCX_ERROR_CRC,    
    SHTCX_ERROR         
};

int8_t shtcx_init(shtcx_t* const dev, const shtcx_params_t* params);

int8_t shtcx_read(const shtcx_t *dev, uint16_t *rel_humidity, int16_t *temperature);

int8_t shtcx_id(const shtcx_t *dev, uint16_t *id);

int8_t shtcx_reset(const shtcx_t *dev);
 
#ifdef __cplusplus
}
#endif