Header file of ADXL345 Driver. More...

#include <stdint.h>
#include "no_os_i2c.h"
#include "no_os_spi.h"

Include dependency graph for adxl345.h:

Classes
struct	adxl345_dev
	ADXL345 Device structure. More...

struct	adxl345_init_param
	Structure holding the parameters for ADXL345 device initialization. More...

Macros
#define	ADXL345_SPI_COMM 0

#define	ADXL345_I2C_COMM 1

#define	ADXL345_ADDRESS 0x1D

#define	ADXL345_SPI_READ (1 << 7)

#define	ADXL345_SPI_WRITE (0 << 7)

#define	ADXL345_SPI_MB (1 << 6)

#define	ADXL345_DEVID 0x00

#define	ADXL345_THRESH_TAP 0x1D

#define	ADXL345_OFSX 0x1E

#define	ADXL345_OFSY 0x1F

#define	ADXL345_OFSZ 0x20

#define	ADXL345_DUR 0x21

#define	ADXL345_LATENT 0x22

#define	ADXL345_WINDOW 0x23

#define	ADXL345_THRESH_ACT 0x24

#define	ADXL345_THRESH_INACT 0x25

#define	ADXL345_TIME_INACT 0x26

#define	ADXL345_ACT_INACT_CTL 0x27

#define	ADXL345_THRESH_FF 0x28

#define	ADXL345_TIME_FF 0x29

#define	ADXL345_TAP_AXES 0x2A

#define	ADXL345_ACT_TAP_STATUS 0x2B

#define	ADXL345_BW_RATE 0x2C

#define	ADXL345_POWER_CTL 0x2D

#define	ADXL345_INT_ENABLE 0x2E

#define	ADXL345_INT_MAP 0x2F

#define	ADXL345_INT_SOURCE 0x30

#define	ADXL345_DATA_FORMAT 0x31

#define	ADXL345_DATAX0 0x32

#define	ADXL345_DATAX1 0x33

#define	ADXL345_DATAY0 0x34

#define	ADXL345_DATAY1 0x35

#define	ADXL345_DATAZ0 0x36

#define	ADXL345_DATAZ1 0x37

#define	ADXL345_FIFO_CTL 0x38

#define	ADXL345_FIFO_STATUS 0x39

#define	ADXL345_TAP_SIGN 0x3A

#define	ADXL345_ORIENT_CONF 0x3B

#define	ADXL345_ORIENT 0x3C

#define	ADXL345_ACT_ACDC (1 << 7)

#define	ADXL345_ACT_X_EN (1 << 6)

#define	ADXL345_ACT_Y_EN (1 << 5)

#define	ADXL345_ACT_Z_EN (1 << 4)

#define	ADXL345_INACT_ACDC (1 << 3)

#define	ADXL345_INACT_X_EN (1 << 2)

#define	ADXL345_INACT_Y_EN (1 << 1)

#define	ADXL345_INACT_Z_EN (1 << 0)

#define	ADXL345_SUPPRESS (1 << 3)

#define	ADXL345_TAP_X_EN (1 << 2)

#define	ADXL345_TAP_Y_EN (1 << 1)

#define	ADXL345_TAP_Z_EN (1 << 0)

#define	ADXL345_ACT_X_SRC (1 << 6)

#define	ADXL345_ACT_Y_SRC (1 << 5)

#define	ADXL345_ACT_Z_SRC (1 << 4)

#define	ADXL345_ASLEEP (1 << 3)

#define	ADXL345_TAP_X_SRC (1 << 2)

#define	ADXL345_TAP_Y_SRC (1 << 1)

#define	ADXL345_TAP_Z_SRC (1 << 0)

#define	ADXL345_LOW_POWER (1 << 4)

#define	ADXL345_RATE(x)

#define	ADXL345_PCTL_LINK (1 << 5)

#define	ADXL345_PCTL_AUTO_SLEEP (1 << 4)

#define	ADXL345_PCTL_MEASURE (1 << 3)

#define	ADXL345_PCTL_SLEEP (1 << 2)

#define	ADXL345_PCTL_WAKEUP(x)

#define	ADXL345_DATA_READY (1 << 7)

#define	ADXL345_SINGLE_TAP (1 << 6)

#define	ADXL345_DOUBLE_TAP (1 << 5)

#define	ADXL345_ACTIVITY (1 << 4)

#define	ADXL345_INACTIVITY (1 << 3)

#define	ADXL345_FREE_FALL (1 << 2)

#define	ADXL345_WATERMARK (1 << 1)

#define	ADXL345_OVERRUN (1 << 0)

#define	ADXL345_ORIENTATION (1 << 0)

#define	ADXL345_SELF_TEST (1 << 7)

#define	ADXL345_SPI (1 << 6)

#define	ADXL345_INT_INVERT (1 << 5)

#define	ADXL345_FULL_RES (1 << 3)

#define	ADXL345_JUSTIFY (1 << 2)

#define	ADXL345_RANGE(x)

#define	ADXL345_RANGE_PM_2G 0

#define	ADXL345_RANGE_PM_4G 1

#define	ADXL345_RANGE_PM_8G 2

#define	ADXL345_RANGE_PM_16G 3

#define	ADXL345_FIFO_MODE(x)

#define	ADXL345_TRIGGER (1 << 5)

#define	ADXL345_SAMPLES(x)

#define	ADXL345_FIFO_BYPASS 0

#define	ADXL345_FIFO_FIFO 1

#define	ADXL345_FIFO_STREAM 2

#define	ADXL345_FIFO_TRIGGER 3

#define	ADXL345_FIFO_TRIG (1 << 7)

#define	ADXL345_ENTRIES(x)

#define	ADXL345_INT_ORIENT(x)

#define	ADXL345_DEAD_ZONE(x)

#define	ADXL345_INT_3D(x)

#define	ADXL345_DIVISOR(x)

#define	ADXL345_ID 0xE5

#define	ADXL346_ID 0xE6

#define	ADXL345_SCALE_FACTOR 0.0039

Enumerations
enum	adxl345_type { ID_ADXL345 , ID_ADXL346 }
	ADXL345 Supported devices. More...

enum	adxl345_dead_zone_angle { DEGREES_5_1 , DEGREES_10_2 , DEGREES_15_2 , DEGREES_20_4 , DEGREES_25_5 , DEGREES_30_8 , DEGREES_36_1 , DEGREES_41_4 }
	ADXL346 Dead zone angle encoding. More...

enum	adxl345_divisor_bandwidth { ODR_DIV_9 , ODR_DIV_22 , ODR_DIV_50 , ODR_DIV_100 , ODR_DIV_200 , ODR_DIV_400 , ODR_DIV_800 , ODR_DIV_1600 }
	ADXL346 Divisor bandwidth encoding. More...

Functions
uint8_t	adxl345_get_register_value (struct adxl345_dev *dev, uint8_t register_address)
	Reads the value of a register.

void	adxl345_set_register_value (struct adxl345_dev *dev, uint8_t register_address, uint8_t register_value)
	Writes data into a register.

int32_t	adxl345_init (struct adxl345_dev **device, struct adxl345_init_param init_param)
	Initializes the communication peripheral and checks if the ADXL345 part is present.

int32_t	adxl345_remove (struct adxl345_dev *dev)
	Free the resources allocated by adxl345_init().

void	adxl345_set_power_mode (struct adxl345_dev *dev, uint8_t pwr_mode)
	Places the device into standby/measure mode.

void	adxl345_get_xyz (struct adxl345_dev dev, int16_t x, int16_t y, int16_t z)
	Reads the raw output data of each axis.

void	adxl345_get_g_xyz (struct adxl345_dev dev, float x, float y, float z)
	Reads the raw output data of each axis and converts it to g.

void	adxl345_set_tap_detection (struct adxl345_dev *dev, uint8_t tap_type, uint8_t tap_axes, uint8_t tap_dur, uint8_t tap_latent, uint8_t tap_window, uint8_t tap_thresh, uint8_t tap_int)
	Enables/disables the tap detection.

void	adxl345_set_activity_detection (struct adxl345_dev *dev, uint8_t act_on_off, uint8_t act_axes, uint8_t act_ac_dc, uint8_t act_thresh, uint8_t act_int)
	Enables/disables the activity detection.

void	adxl345_set_inactivity_detection (struct adxl345_dev *dev, uint8_t inact_on_off, uint8_t inact_axes, uint8_t inact_ac_dc, uint8_t inact_thresh, uint8_t inact_time, uint8_t inact_int)
	Enables/disables the inactivity detection.

void	adxl345_set_free_fall_detection (struct adxl345_dev *dev, uint8_t ff_on_off, uint8_t ff_thresh, uint8_t ff_time, uint8_t ff_int)
	Enables/disables the free-fall detection.

void	adxl345_set_orientation_detection (struct adxl345_dev *dev, uint8_t orient_int, uint8_t orient_on_off, uint8_t int_3d, enum adxl345_dead_zone_angle dead_zone, enum adxl345_divisor_bandwidth divisor)
	Enables/disables the orientation detection (only for adxl346).

void	adxl345_set_offset (struct adxl345_dev *dev, uint8_t x_offset, uint8_t y_offset, uint8_t z_offset)
	Sets an offset value for each axis (Offset Calibration).

void	adxl345_set_range_resolution (struct adxl345_dev *dev, uint8_t g_range, uint8_t full_res)
	Selects the measurement range.

Detailed Description

Header file of ADXL345 Driver.

Author: DBogdan (drago.nosp@m.s.bo.nosp@m.gdan@.nosp@m.anal.nosp@m.og.co.nosp@m.m)

SPDX-License-Identifier: BSD-3-Clause

Macro Definition Documentation

◆ ADXL345_ACT_ACDC

#define ADXL345_ACT_ACDC (1 << 7)

◆ ADXL345_ACT_INACT_CTL

#define ADXL345_ACT_INACT_CTL 0x27

◆ ADXL345_ACT_TAP_STATUS

#define ADXL345_ACT_TAP_STATUS 0x2B

◆ ADXL345_ACT_X_EN

#define ADXL345_ACT_X_EN (1 << 6)

◆ ADXL345_ACT_X_SRC

#define ADXL345_ACT_X_SRC (1 << 6)

◆ ADXL345_ACT_Y_EN

#define ADXL345_ACT_Y_EN (1 << 5)

◆ ADXL345_ACT_Y_SRC

#define ADXL345_ACT_Y_SRC (1 << 5)

◆ ADXL345_ACT_Z_EN

#define ADXL345_ACT_Z_EN (1 << 4)

◆ ADXL345_ACT_Z_SRC

#define ADXL345_ACT_Z_SRC (1 << 4)

◆ ADXL345_ACTIVITY

#define ADXL345_ACTIVITY (1 << 4)

◆ ADXL345_ADDRESS

#define ADXL345_ADDRESS 0x1D

◆ ADXL345_ASLEEP

#define ADXL345_ASLEEP (1 << 3)

◆ ADXL345_BW_RATE

#define ADXL345_BW_RATE 0x2C

◆ ADXL345_DATA_FORMAT

#define ADXL345_DATA_FORMAT 0x31

◆ ADXL345_DATA_READY

#define ADXL345_DATA_READY (1 << 7)

◆ ADXL345_DATAX0

#define ADXL345_DATAX0 0x32

◆ ADXL345_DATAX1

#define ADXL345_DATAX1 0x33

◆ ADXL345_DATAY0

#define ADXL345_DATAY0 0x34

◆ ADXL345_DATAY1

#define ADXL345_DATAY1 0x35

◆ ADXL345_DATAZ0

#define ADXL345_DATAZ0 0x36

◆ ADXL345_DATAZ1

#define ADXL345_DATAZ1 0x37

◆ ADXL345_DEAD_ZONE

#define ADXL345_DEAD_ZONE ( x )

Value:

(((x) & 0x7) << 4)

◆ ADXL345_DEVID

#define ADXL345_DEVID 0x00

◆ ADXL345_DIVISOR

#define ADXL345_DIVISOR ( x )

Value:

((x) & 7)

◆ ADXL345_DOUBLE_TAP

#define ADXL345_DOUBLE_TAP (1 << 5)

◆ ADXL345_DUR

#define ADXL345_DUR 0x21

◆ ADXL345_ENTRIES

#define ADXL345_ENTRIES ( x )

Value:

((x) & 0x3F)

◆ ADXL345_FIFO_BYPASS

#define ADXL345_FIFO_BYPASS 0

◆ ADXL345_FIFO_CTL

#define ADXL345_FIFO_CTL 0x38

◆ ADXL345_FIFO_FIFO

#define ADXL345_FIFO_FIFO 1

◆ ADXL345_FIFO_MODE

#define ADXL345_FIFO_MODE ( x )

Value:

(((x) & 0x3) << 6)

◆ ADXL345_FIFO_STATUS

#define ADXL345_FIFO_STATUS 0x39

◆ ADXL345_FIFO_STREAM

#define ADXL345_FIFO_STREAM 2

◆ ADXL345_FIFO_TRIG

#define ADXL345_FIFO_TRIG (1 << 7)

◆ ADXL345_FIFO_TRIGGER

#define ADXL345_FIFO_TRIGGER 3

◆ ADXL345_FREE_FALL

#define ADXL345_FREE_FALL (1 << 2)

◆ ADXL345_FULL_RES

#define ADXL345_FULL_RES (1 << 3)

◆ ADXL345_I2C_COMM

#define ADXL345_I2C_COMM 1

◆ ADXL345_ID

#define ADXL345_ID 0xE5

◆ ADXL345_INACT_ACDC

#define ADXL345_INACT_ACDC (1 << 3)

◆ ADXL345_INACT_X_EN

#define ADXL345_INACT_X_EN (1 << 2)

◆ ADXL345_INACT_Y_EN

#define ADXL345_INACT_Y_EN (1 << 1)

◆ ADXL345_INACT_Z_EN

#define ADXL345_INACT_Z_EN (1 << 0)

◆ ADXL345_INACTIVITY

#define ADXL345_INACTIVITY (1 << 3)

◆ ADXL345_INT_3D

#define ADXL345_INT_3D ( x )

Value:

(((x) & 0x1) << 3)

◆ ADXL345_INT_ENABLE

#define ADXL345_INT_ENABLE 0x2E

◆ ADXL345_INT_INVERT

#define ADXL345_INT_INVERT (1 << 5)

◆ ADXL345_INT_MAP

#define ADXL345_INT_MAP 0x2F

◆ ADXL345_INT_ORIENT

#define ADXL345_INT_ORIENT ( x )

Value:

(((x) & 0x1) << 7)

◆ ADXL345_INT_SOURCE

#define ADXL345_INT_SOURCE 0x30

◆ ADXL345_JUSTIFY

#define ADXL345_JUSTIFY (1 << 2)

◆ ADXL345_LATENT

#define ADXL345_LATENT 0x22

◆ ADXL345_LOW_POWER

#define ADXL345_LOW_POWER (1 << 4)

◆ ADXL345_OFSX

#define ADXL345_OFSX 0x1E

◆ ADXL345_OFSY

#define ADXL345_OFSY 0x1F

◆ ADXL345_OFSZ

#define ADXL345_OFSZ 0x20

◆ ADXL345_ORIENT

#define ADXL345_ORIENT 0x3C

◆ ADXL345_ORIENT_CONF

#define ADXL345_ORIENT_CONF 0x3B

◆ ADXL345_ORIENTATION

#define ADXL345_ORIENTATION (1 << 0)

◆ ADXL345_OVERRUN

#define ADXL345_OVERRUN (1 << 0)

◆ ADXL345_PCTL_AUTO_SLEEP

#define ADXL345_PCTL_AUTO_SLEEP (1 << 4)

◆ ADXL345_PCTL_LINK

#define ADXL345_PCTL_LINK (1 << 5)

◆ ADXL345_PCTL_MEASURE

#define ADXL345_PCTL_MEASURE (1 << 3)

◆ ADXL345_PCTL_SLEEP

#define ADXL345_PCTL_SLEEP (1 << 2)

◆ ADXL345_PCTL_WAKEUP

#define ADXL345_PCTL_WAKEUP ( x )

Value:

((x) & 0x3)

◆ ADXL345_POWER_CTL

#define ADXL345_POWER_CTL 0x2D

◆ ADXL345_RANGE

#define ADXL345_RANGE ( x )

Value:

((x) & 0x3)

◆ ADXL345_RANGE_PM_16G

#define ADXL345_RANGE_PM_16G 3

◆ ADXL345_RANGE_PM_2G

#define ADXL345_RANGE_PM_2G 0

◆ ADXL345_RANGE_PM_4G

#define ADXL345_RANGE_PM_4G 1

◆ ADXL345_RANGE_PM_8G

#define ADXL345_RANGE_PM_8G 2

◆ ADXL345_RATE

#define ADXL345_RATE ( x )

Value:

((x) & 0xF)

◆ ADXL345_SAMPLES

#define ADXL345_SAMPLES ( x )

Value:

((x) & 0x1F)

◆ ADXL345_SCALE_FACTOR

#define ADXL345_SCALE_FACTOR 0.0039

◆ ADXL345_SELF_TEST

#define ADXL345_SELF_TEST (1 << 7)

◆ ADXL345_SINGLE_TAP

#define ADXL345_SINGLE_TAP (1 << 6)

◆ ADXL345_SPI

#define ADXL345_SPI (1 << 6)

◆ ADXL345_SPI_COMM

#define ADXL345_SPI_COMM 0

◆ ADXL345_SPI_MB

#define ADXL345_SPI_MB (1 << 6)

◆ ADXL345_SPI_READ

#define ADXL345_SPI_READ (1 << 7)

◆ ADXL345_SPI_WRITE

#define ADXL345_SPI_WRITE (0 << 7)

◆ ADXL345_SUPPRESS

#define ADXL345_SUPPRESS (1 << 3)

◆ ADXL345_TAP_AXES

#define ADXL345_TAP_AXES 0x2A

◆ ADXL345_TAP_SIGN

#define ADXL345_TAP_SIGN 0x3A

◆ ADXL345_TAP_X_EN

#define ADXL345_TAP_X_EN (1 << 2)

◆ ADXL345_TAP_X_SRC

#define ADXL345_TAP_X_SRC (1 << 2)

◆ ADXL345_TAP_Y_EN

#define ADXL345_TAP_Y_EN (1 << 1)

◆ ADXL345_TAP_Y_SRC

#define ADXL345_TAP_Y_SRC (1 << 1)

◆ ADXL345_TAP_Z_EN

#define ADXL345_TAP_Z_EN (1 << 0)

◆ ADXL345_TAP_Z_SRC

#define ADXL345_TAP_Z_SRC (1 << 0)

◆ ADXL345_THRESH_ACT

#define ADXL345_THRESH_ACT 0x24

◆ ADXL345_THRESH_FF

#define ADXL345_THRESH_FF 0x28

◆ ADXL345_THRESH_INACT

#define ADXL345_THRESH_INACT 0x25

◆ ADXL345_THRESH_TAP

#define ADXL345_THRESH_TAP 0x1D

◆ ADXL345_TIME_FF

#define ADXL345_TIME_FF 0x29

◆ ADXL345_TIME_INACT

#define ADXL345_TIME_INACT 0x26

◆ ADXL345_TRIGGER

#define ADXL345_TRIGGER (1 << 5)

◆ ADXL345_WATERMARK

#define ADXL345_WATERMARK (1 << 1)

◆ ADXL345_WINDOW

#define ADXL345_WINDOW 0x23

◆ ADXL346_ID

#define ADXL346_ID 0xE6

Enumeration Type Documentation

◆ adxl345_dead_zone_angle

enum adxl345_dead_zone_angle

ADXL346 Dead zone angle encoding.

Enumerator
DEGREES_5_1
DEGREES_10_2
DEGREES_15_2
DEGREES_20_4
DEGREES_25_5
DEGREES_30_8
DEGREES_36_1
DEGREES_41_4

◆ adxl345_divisor_bandwidth

enum adxl345_divisor_bandwidth

ADXL346 Divisor bandwidth encoding.

Enumerator
ODR_DIV_9
ODR_DIV_22
ODR_DIV_50
ODR_DIV_100
ODR_DIV_200
ODR_DIV_400
ODR_DIV_800
ODR_DIV_1600

◆ adxl345_type

enum adxl345_type

ADXL345 Supported devices.

Enumerator
ID_ADXL345
ID_ADXL346

Function Documentation

◆ adxl345_get_g_xyz()

void adxl345_get_g_xyz	(	struct adxl345_dev *	dev,
		float *	x,
		float *	y,
		float *	z )

Reads the raw output data of each axis and converts it to g.

Parameters

dev	- The device structure.
x	- X-axis's output data.
y	- Y-axis's output data.
z	- Z-axis's output data.

◆ adxl345_get_register_value()

uint8_t adxl345_get_register_value	(	struct adxl345_dev *	dev,
		uint8_t	register_address )

Reads the value of a register.

Parameters

dev	- The device structure.
register_address	- Address of the register.

Returns: register_value - Value of the register.

◆ adxl345_get_xyz()

void adxl345_get_xyz	(	struct adxl345_dev *	dev,
		int16_t *	x,
		int16_t *	y,
		int16_t *	z )

Reads the raw output data of each axis.

Parameters

dev	- The device structure.
x	- X-axis's output data.
y	- Y-axis's output data.
z	- Z-axis's output data.

◆ adxl345_init()

int32_t adxl345_init	(	struct adxl345_dev **	device,
		struct adxl345_init_param	init_param )

Initializes the communication peripheral and checks if the ADXL345 part is present.

Init. the comm. peripheral and checks if the ADXL345 part is present.

Parameters

device	- The device structure.
init_param	- The structure that contains the device initial parameters.

Returns: status - Result of the initialization procedure. Example: -1 - I2C/SPI peripheral was not initialized or ADXL345 part is not present. 0 - I2C/SPI peripheral is initialized and ADXL345 part is present.

◆ adxl345_remove()

int32_t adxl345_remove ( struct adxl345_dev * dev )

Free the resources allocated by adxl345_init().

Parameters

dev	- The device structure.

Returns: ret - The result of the remove procedure.

◆ adxl345_set_activity_detection()

void adxl345_set_activity_detection	(	struct adxl345_dev *	dev,
		uint8_t	act_on_off,
		uint8_t	act_axes,
		uint8_t	act_ac_dc,
		uint8_t	act_thresh,
		uint8_t	act_int )

Enables/disables the activity detection.

Parameters

dev	- The device structure.
act_on_off	- Enables/disables the activity detection. Example: 0x0 - disables the activity detection. 0x1 - enables the activity detection.
act_axes	- Axes which participate in detecting activity. Example: 0x0 - disables axes participation. ADXL345_ACT_X_EN - enables x-axis participation. ADXL345_ACT_Y_EN - enables y-axis participation. ADXL345_ACT_Z_EN - enables z-axis participation.
act_ac_dc	- Selects dc-coupled or ac-coupled operation. Example: 0x0 - dc-coupled operation. ADXL345_ACT_ACDC - ac-coupled operation.
act_thresh	- Threshold value for detecting activity. The scale factor is 62.5 mg/LSB.
act_int	- Interrupts pin. Example: 0x0 - activity interrupts on INT1 pin. ADXL345_ACTIVITY - activity interrupts on INT2 pin.

◆ adxl345_set_free_fall_detection()

void adxl345_set_free_fall_detection	(	struct adxl345_dev *	dev,
		uint8_t	ff_on_off,
		uint8_t	ff_thresh,
		uint8_t	ff_time,
		uint8_t	ff_int )

Enables/disables the free-fall detection.

Parameters

dev	- The device structure.
ff_on_off	- Enables/disables the free-fall detection. Example: 0x0 - disables the free-fall detection. 0x1 - enables the free-fall detection.
ff_thresh	- Threshold value for free-fall detection. The scale factor is 62.5 mg/LSB.
ff_time	- Time value for free-fall detection. The scale factor is 5 ms/LSB.
ff_int	- Interrupts pin. Example: 0x0 - free-fall interrupts on INT1 pin. ADXL345_FREE_FALL - free-fall interrupts on INT2 pin.

◆ adxl345_set_inactivity_detection()

void adxl345_set_inactivity_detection	(	struct adxl345_dev *	dev,
		uint8_t	inact_on_off,
		uint8_t	inact_axes,
		uint8_t	inact_ac_dc,
		uint8_t	inact_thresh,
		uint8_t	inact_time,
		uint8_t	inact_int )

Enables/disables the inactivity detection.

Parameters

dev	- The device structure.
inact_on_off	- Enables/disables the inactivity detection. Example: 0x0 - disables the inactivity detection. 0x1 - enables the inactivity detection.
inact_axes	- Axes which participate in detecting inactivity. Example: 0x0 - disables axes participation. ADXL345_INACT_X_EN - enables x-axis. ADXL345_INACT_Y_EN - enables y-axis. ADXL345_INACT_Z_EN - enables z-axis.
inact_ac_dc	- Selects dc-coupled or ac-coupled operation. Example: 0x0 - dc-coupled operation. ADXL345_INACT_ACDC - ac-coupled operation.
inact_thresh	- Threshold value for detecting inactivity. The scale factor is 62.5 mg/LSB.
inact_time	- Inactivity time. The scale factor is 1 sec/LSB.
inact_int	- Interrupts pin. Example: 0x0 - inactivity interrupts on INT1 pin. ADXL345_INACTIVITY - inactivity interrupts on INT2 pin.

◆ adxl345_set_offset()

void adxl345_set_offset	(	struct adxl345_dev *	dev,
		uint8_t	x_offset,
		uint8_t	y_offset,
		uint8_t	z_offset )

Sets an offset value for each axis (Offset Calibration).

Parameters

dev	- The device structure.
x_offset	- X-axis's offset.
y_offset	- Y-axis's offset.
z_offset	- Z-axis's offset.

◆ adxl345_set_orientation_detection()

void adxl345_set_orientation_detection	(	struct adxl345_dev *	dev,
		uint8_t	orient_int,
		uint8_t	orient_on_off,
		uint8_t	int_3d,
		enum adxl345_dead_zone_angle	dead_zone,
		enum adxl345_divisor_bandwidth	divisor )

Enables/disables the orientation detection (only for adxl346).

Enables/disables the orientation detection.

Parameters

dev	- The device structure.
orient_int	- Interrupts pin. Example: 0x0 - orientation interrupts on INT1 pin. ADXL345_ORIENTATION - orientation interrupts on INT2 pin.
orient_on_off	- Enables/disables the orientation detection. Example: 0x0 - disables the orientation detection. 0x1 - enables the orientation detection.
int_3d	- Enables/disables the 3d orientation detection. Example: 0x0 - disables the 3d orientation detection (enables 2d orientation detection). 0x1 - enables the 3d orientation detection (disables 2d orientation detection).
dead_zone	- Dead zone angle encoding.
divisor	- Bandwidth divisor encoding.

◆ adxl345_set_power_mode()

void adxl345_set_power_mode	(	struct adxl345_dev *	dev,
		uint8_t	pwr_mode )

Places the device into standby/measure mode.

Parameters

dev	- The device structure.
pwr_mode	- Power mode. Example: 0x0 - standby mode. 0x1 - measure mode.

◆ adxl345_set_range_resolution()

void adxl345_set_range_resolution	(	struct adxl345_dev *	dev,
		uint8_t	g_range,
		uint8_t	full_res )

Selects the measurement range.

Parameters

dev	- The device structure.
g_range	- Range option. Example: ADXL345_RANGE_PM_2G - +-2 g ADXL345_RANGE_PM_4G - +-4 g ADXL345_RANGE_PM_8G - +-8 g ADXL345_RANGE_PM_16G - +-16 g
full_res	- Full resolution option. Example: 0x0 - Disables full resolution. ADXL345_FULL_RES - Enables full resolution.

◆ adxl345_set_register_value()

void adxl345_set_register_value	(	struct adxl345_dev *	dev,
		uint8_t	register_address,
		uint8_t	register_value )

Writes data into a register.

Parameters

dev	- The device structure.
register_address	- Address of the register.
register_value	- Data value to write.

◆ adxl345_set_tap_detection()

void adxl345_set_tap_detection	(	struct adxl345_dev *	dev,
		uint8_t	tap_type,
		uint8_t	tap_axes,
		uint8_t	tap_dur,
		uint8_t	tap_latent,
		uint8_t	tap_window,
		uint8_t	tap_thresh,
		uint8_t	tap_int )

Enables/disables the tap detection.

Parameters

dev	- The device structure.
tap_type	- Tap type (none, single, double). Example: 0x0 - disables tap detection. ADXL345_SINGLE_TAP - enables single tap detection. ADXL345_DOUBLE_TAP - enables double tap detection.
tap_axes	- Axes which participate in tap detection. Example: 0x0 - disables axes participation. ADXL345_TAP_X_EN - enables x-axis participation. ADXL345_TAP_Y_EN - enables y-axis participation. ADXL345_TAP_Z_EN - enables z-axis participation.
tap_dur	- Tap duration. The scale factor is 625us is/LSB.
tap_latent	- Tap latency. The scale factor is 1.25 ms/LSB.
tap_window	- Tap window. The scale factor is 1.25 ms/LSB.
tap_thresh	- Tap threshold. The scale factor is 62.5 mg/LSB.
tap_int	- Interrupts pin. Example: 0x0 - interrupts on INT1 pin. ADXL345_SINGLE_TAP - single tap interrupts on INT2 pin. ADXL345_DOUBLE_TAP - double tap interrupts on INT2 pin.

Classes

Macros

Enumerations

Functions

Detailed Description

Macro Definition Documentation

◆ ADXL345_ACT_ACDC

◆ ADXL345_ACT_INACT_CTL

◆ ADXL345_ACT_TAP_STATUS

◆ ADXL345_ACT_X_EN

◆ ADXL345_ACT_X_SRC

◆ ADXL345_ACT_Y_EN

◆ ADXL345_ACT_Y_SRC

◆ ADXL345_ACT_Z_EN

◆ ADXL345_ACT_Z_SRC

◆ ADXL345_ACTIVITY

◆ ADXL345_ADDRESS

◆ ADXL345_ASLEEP

◆ ADXL345_BW_RATE

◆ ADXL345_DATA_FORMAT

◆ ADXL345_DATA_READY

◆ ADXL345_DATAX0

◆ ADXL345_DATAX1

◆ ADXL345_DATAY0

◆ ADXL345_DATAY1

◆ ADXL345_DATAZ0

◆ ADXL345_DATAZ1

◆ ADXL345_DEAD_ZONE

◆ ADXL345_DEVID

◆ ADXL345_DIVISOR

◆ ADXL345_DOUBLE_TAP

◆ ADXL345_DUR

◆ ADXL345_ENTRIES

◆ ADXL345_FIFO_BYPASS

◆ ADXL345_FIFO_CTL

◆ ADXL345_FIFO_FIFO

◆ ADXL345_FIFO_MODE

◆ ADXL345_FIFO_STATUS

◆ ADXL345_FIFO_STREAM

◆ ADXL345_FIFO_TRIG

◆ ADXL345_FIFO_TRIGGER

◆ ADXL345_FREE_FALL

◆ ADXL345_FULL_RES

◆ ADXL345_I2C_COMM

◆ ADXL345_ID

◆ ADXL345_INACT_ACDC

◆ ADXL345_INACT_X_EN

◆ ADXL345_INACT_Y_EN

◆ ADXL345_INACT_Z_EN

◆ ADXL345_INACTIVITY

◆ ADXL345_INT_3D

◆ ADXL345_INT_ENABLE

◆ ADXL345_INT_INVERT

◆ ADXL345_INT_MAP

◆ ADXL345_INT_ORIENT

◆ ADXL345_INT_SOURCE

◆ ADXL345_JUSTIFY

◆ ADXL345_LATENT

◆ ADXL345_LOW_POWER

◆ ADXL345_OFSX

◆ ADXL345_OFSY

◆ ADXL345_OFSZ

◆ ADXL345_ORIENT

◆ ADXL345_ORIENT_CONF

◆ ADXL345_ORIENTATION

◆ ADXL345_OVERRUN

◆ ADXL345_PCTL_AUTO_SLEEP

◆ ADXL345_PCTL_LINK

◆ ADXL345_PCTL_MEASURE

◆ ADXL345_PCTL_SLEEP

◆ ADXL345_PCTL_WAKEUP

◆ ADXL345_POWER_CTL

◆ ADXL345_RANGE

◆ ADXL345_RANGE_PM_16G

◆ ADXL345_RANGE_PM_2G

◆ ADXL345_RANGE_PM_4G

◆ ADXL345_RANGE_PM_8G

◆ ADXL345_RATE

◆ ADXL345_SAMPLES

◆ ADXL345_SCALE_FACTOR