fxos8700.h

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/*
 * Copyright (C) 2018 UC Berkeley
 *
 * 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"
#include "fxos8700_regs.h"
 
#ifdef __cplusplus
extern "C" {
#endif
 
#ifdef DOXYGEN
#define CONFIG_FXOS8700_USE_ACC_RAW_VALUES
#endif
enum {
    FXOS8700_OK      = 0,     
    FXOS8700_ADDRERR = -1,    
    FXOS8700_NOBUS   = -2,    
    FXOS8700_NODEV   = -3,    
    FXOS8700_BUSERR  = -4     
};
 
typedef struct {
    i2c_t i2c;                
    uint8_t addr;             
    uint8_t acc_range;        
    uint32_t renew_interval;  
} fxos8700_params_t;
 
typedef struct {
    int16_t x;   
    int16_t y;   
    int16_t z;   
} fxos8700_measurement_t;
 
typedef struct {
    uint8_t config;                    
    fxos8700_measurement_t acc_cached; 
    fxos8700_measurement_t mag_cached; 
    uint32_t last_read_time;           
    fxos8700_params_t p;               
} fxos8700_t;
 
int fxos8700_init(fxos8700_t* dev, const fxos8700_params_t* params);
 
int fxos8700_set_active(const fxos8700_t* dev);
 
int fxos8700_set_idle(const fxos8700_t* dev);
 
int fxos8700_read(const fxos8700_t* dev, fxos8700_measurement_t* acc, fxos8700_measurement_t* mag);
 
int fxos8700_read_cached(const void* dev, fxos8700_measurement_t* acc, fxos8700_measurement_t* mag);
#ifdef __cplusplus
}
#endif