mma8x5x.h

Go to the documentation of this file.

/*
 * Copyright (C) 2014 PHYTEC Messtechnik GmbH
 *               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.
 */
 
#ifndef MMA8X5X_H
#define MMA8X5X_H
 
#include <stdint.h>
#include "periph/i2c.h"
 
#ifdef __cplusplus
extern "C" {
#endif
 
#ifndef CONFIG_MMA8X5X_I2C_ADDRESS
#define CONFIG_MMA8X5X_I2C_ADDRESS           0x1D
#endif
 
enum {
    MMA8X5X_TYPE_MMA8652 = 0x4a,    
    MMA8X5X_TYPE_MMA8653 = 0x5a,    
    MMA8X5X_TYPE_MMA8451 = 0x1a,    
    MMA8X5X_TYPE_MMA8452 = 0x2a,    
    MMA8X5X_TYPE_MMA8453 = 0x3a     
};
 
enum {
    MMA8X5X_RATE_800HZ = (0 << 3),  
    MMA8X5X_RATE_400HZ = (1 << 3),  
    MMA8X5X_RATE_200HZ = (2 << 3),  
    MMA8X5X_RATE_100HZ = (3 << 3),  
    MMA8X5X_RATE_50HZ  = (4 << 3),  
    MMA8X5X_RATE_1HZ25 = (5 << 3),  
    MMA8X5X_RATE_6HZ25 = (6 << 3),  
    MMA8X5X_RATE_1HZ56 = (7 << 3)   
};
 
enum {
    MMA8X5X_RANGE_2G = 0,           
    MMA8X5X_RANGE_4G = 1,           
    MMA8X5X_RANGE_8G = 2            
};
 
enum {
    MMA8X5X_OK          =  0,       
    MMA8X5X_DATA_READY  =  1,       
    MMA8X5X_NOI2C       = -1,       
    MMA8X5X_NODEV       = -2,       
    MMA8X5X_NODATA      = -3        
};
 
typedef struct {
    i2c_t i2c;                  
    uint8_t addr;               
    uint8_t rate;               
    uint8_t range;              
    uint8_t offset[3];          
} mma8x5x_params_t;
 
typedef struct {
    mma8x5x_params_t params;    
} mma8x5x_t;
 
typedef struct {
    int16_t x;                  
    int16_t y;                  
    int16_t z;                  
} mma8x5x_data_t;
 
int mma8x5x_init(mma8x5x_t *dev, const mma8x5x_params_t *params);
 
void mma8x5x_set_user_offset(const mma8x5x_t *dev, int8_t x, int8_t y, int8_t z);
 
void mma8x5x_set_active(const mma8x5x_t *dev);
 
void mma8x5x_set_standby(const mma8x5x_t *dev);
 
int mma8x5x_is_ready(const mma8x5x_t *dev);
 
void mma8x5x_read(const mma8x5x_t *dev, mma8x5x_data_t *data);
 
void mma8x5x_set_motiondetect(const mma8x5x_t *dev, uint8_t int_pin, uint8_t threshold);
 
void mma8x5x_ack_int(const mma8x5x_t *dev);
 
#ifdef __cplusplus
}
#endif
 
#endif /* MMA8X5X_H */