Interface definition for the MMA8x5x accelerometer driver. More...

Detailed Description

Interface definition for the MMA8x5x accelerometer driver.

Author: Johann Fischer j.fis.nosp@m.cher.nosp@m.@phyt.nosp@m.ec.d.nosp@m.e; Hauke Petersen hauke.nosp@m..pet.nosp@m.ersen.nosp@m.@fu-.nosp@m.berli.nosp@m.n.de

Definition in file mma8x5x.h.

#include <stdint.h>
#include "periph/i2c.h"

Include dependency graph for mma8x5x.h:

This graph shows which files directly or indirectly include this file:

Data Structures
struct	mma8x5x_params_t
	Configuration parameters. More...

struct	mma8x5x_t
	Device descriptor for MMA8x5x accelerometers. More...

struct	mma8x5x_data_t
	Data type for the result data. More...

Macros
#define	CONFIG_MMA8X5X_I2C_ADDRESS 0x1D
	Accelerometer Default Address.

Enumerations
enum	{ MMA8X5X_TYPE_MMA8652 = 0x4a , MMA8X5X_TYPE_MMA8653 = 0x5a , MMA8X5X_TYPE_MMA8451 = 0x1a , MMA8X5X_TYPE_MMA8452 = 0x2a , MMA8X5X_TYPE_MMA8453 = 0x3a }
	Devices supported by this driver. More...

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) }
	Available sampling rates. More...

enum	{ MMA8X5X_RANGE_2G = 0 , MMA8X5X_RANGE_4G = 1 , MMA8X5X_RANGE_8G = 2 }
	Available range options. More...

enum	{ MMA8X5X_OK = 0 , MMA8X5X_DATA_READY = 1 , MMA8X5X_NOI2C = -1 , MMA8X5X_NODEV = -2 , MMA8X5X_NODATA = -3 }
	Named return values. More...

Functions
int	mma8x5x_init (mma8x5x_t dev, const mma8x5x_params_t params)
	Initialize the MMA8x5x accelerometer driver.

void	mma8x5x_set_user_offset (const mma8x5x_t *dev, int8_t x, int8_t y, int8_t z)
	Set user offset correction.

void	mma8x5x_set_active (const mma8x5x_t *dev)
	Set active mode, this enables periodic measurements.

void	mma8x5x_set_standby (const mma8x5x_t *dev)
	Set standby mode.

int	mma8x5x_is_ready (const mma8x5x_t *dev)
	Check for new set of measurement data.

void	mma8x5x_read (const mma8x5x_t dev, mma8x5x_data_t data)
	Read accelerometer's data.

void	mma8x5x_set_motiondetect (const mma8x5x_t *dev, uint8_t int_pin, uint8_t threshold)
	Configure motion detection interrupt.

void	mma8x5x_ack_int (const mma8x5x_t *dev)
	Acknowledge motion detection interrupt.

Data Structures