lpsxxx.h

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/*
 * Copyright (C) 2014 Freie Universität Berlin
 *               2018 Inria
 *
 * 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

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

#ifndef CONFIG_LPSXXX_DEFAULT_ADDRESS
#define CONFIG_LPSXXX_DEFAULT_ADDRESS  (0x5d)
#endif

enum {
    LPSXXX_OK,                  
    LPSXXX_ERR_NODEV,           
    LPSXXX_ERR_I2C,             
};

typedef enum {
    LPSXXX_RATE_1HZ = 1,        
#if MODULE_LPS331AP
    LPSXXX_RATE_7HZ = 5,        
    LPSXXX_RATE_12HZ5 = 6,      
    LPSXXX_RATE_25HZ = 7        
#elif MODULE_LPS25HB
    LPSXXX_RATE_7HZ = 2,        
    LPSXXX_RATE_12HZ5 = 3,      
    LPSXXX_RATE_25HZ = 4        
#elif MODULE_LPS22HB
    LPSXXX_RATE_10HZ = 2,       
    LPSXXX_RATE_25HZ = 3,       
    LPSXXX_RATE_50HZ = 4,       
    LPSXXX_RATE_75HZ = 5        
#elif MODULE_LPS22HH || MODULE_LPS22CH
    LPSXXX_RATE_10HZ = 2,       
    LPSXXX_RATE_25HZ = 3,       
    LPSXXX_RATE_50HZ = 4,       
    LPSXXX_RATE_75HZ = 5,       
    LPSXXX_RATE_100HZ = 6,      
    LPSXXX_RATE_200HZ = 7       
#endif
} lpsxxx_rate_t;

#if MODULE_LPS331AP || MODULE_LPS25HB
#define LPSXXX_DEFAULT_RATE     (LPSXXX_RATE_7HZ)
#else /* MODULE_LPS22HB || MODULE_LPS22HH  || MODULE_LPS22CH */
#define LPSXXX_DEFAULT_RATE     (LPSXXX_RATE_25HZ)
#endif

typedef struct {
    i2c_t i2c;                  
    uint8_t addr;               
    lpsxxx_rate_t rate;         
} lpsxxx_params_t;

typedef struct {
    lpsxxx_params_t params;     
} lpsxxx_t;

int lpsxxx_init(lpsxxx_t *dev, const lpsxxx_params_t *params);

int lpsxxx_read_temp(const lpsxxx_t *dev, int16_t *temp);

int lpsxxx_read_pres(const lpsxxx_t *dev, uint16_t *pres);

int lpsxxx_enable(const lpsxxx_t *dev);

int lpsxxx_disable(const lpsxxx_t *dev);
 
#ifdef __cplusplus
}
#endif