adxl345_i2c.h File Reference

Driver for the accelerometer ADXL345 from Analog Devices using I2C. More...

#include "std.h"
#include "math/pprz_algebra_int.h"
#include "mcu_periph/i2c.h"
#include "peripherals/adxl345.h"

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Data Structures
struct	Adxl345_I2c
union	Adxl345_I2c.data

Functions
void	adxl345_i2c_init (struct Adxl345_I2c *adxl, struct i2c_periph *i2c_p, uint8_t addr)
void	adxl345_i2c_start_configure (struct Adxl345_I2c *adxl)
	Start configuration if not already done. More...
void	adxl345_i2c_read (struct Adxl345_I2c *adxl)
void	adxl345_i2c_event (struct Adxl345_I2c *adxl)
static void	adxl345_i2c_periodic (struct Adxl345_I2c *adxl)
	convenience function: read or start configuration if not already initialized More...

Detailed Description

Driver for the accelerometer ADXL345 from Analog Devices using I2C.

Definition in file adxl345_i2c.h.

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Data Structure Documentation

Adxl345_I2c

struct Adxl345_I2c

Definition at line 39 of file adxl345_i2c.h.

Collaboration diagram for Adxl345_I2c:

Data Fields
struct Adxl345Config	config
union Adxl345_I2c	data
volatile bool	data_available	data ready flag
struct i2c_periph *	i2c_p
struct i2c_transaction	i2c_trans
enum Adxl345ConfStatus	init_status	init status
bool	initialized	config done flag

Adxl345_I2c.data

union Adxl345_I2c.data

Definition at line 45 of file adxl345_i2c.h.

Data Fields
int16_t	value[3]	data values accessible by channel index
struct Int16Vect3	vect	data vector in accel coordinate system

Function Documentation

adxl345_i2c_event()

void adxl345_i2c_event

(

struct Adxl345_I2c *

adxl

)

Definition at line 114 of file adxl345_i2c.c.

References adxl345_i2c_send_config(), ADXL_CONF_UNINIT, i2c_transaction::buf, Adxl345_I2c::data, Adxl345_I2c::data_available, Adxl345_I2c::i2c_trans, I2CTransDone, I2CTransFailed, I2CTransSuccess, Adxl345_I2c::init_status, Adxl345_I2c::initialized, Int16FromBuf, and i2c_transaction::status.

Referenced by imu_aspirin_i2c_event().

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adxl345_i2c_init()

void adxl345_i2c_init	(	struct Adxl345_I2c *	adxl,
		struct i2c_periph *	i2c_p,
		uint8_t	addr
	)

Definition at line 36 of file adxl345_i2c.c.

References adxl345_set_default_config(), ADXL_CONF_UNINIT, Adxl345_I2c::config, Adxl345_I2c::i2c_p, Adxl345_I2c::i2c_trans, I2CTransDone, Adxl345_I2c::init_status, Adxl345_I2c::initialized, i2c_transaction::slave_addr, and i2c_transaction::status.

Referenced by imu_aspirin_i2c_init().

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adxl345_i2c_periodic()

static void adxl345_i2c_periodic ( struct Adxl345_I2c *  adxl )

inlinestatic

convenience function: read or start configuration if not already initialized

Definition at line 59 of file adxl345_i2c.h.

References adxl345_i2c_read(), adxl345_i2c_start_configure(), and Adxl345_I2c::initialized.

Referenced by imu_aspirin_i2c_periodic().

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adxl345_i2c_read()

void adxl345_i2c_read

(

struct Adxl345_I2c *

adxl

)

Definition at line 101 of file adxl345_i2c.c.

References ADXL345_REG_DATA_X0, i2c_transaction::buf, Adxl345_I2c::i2c_p, i2c_submit(), Adxl345_I2c::i2c_trans, I2CTransDone, I2CTransTxRx, Adxl345_I2c::initialized, i2c_transaction::len_r, i2c_transaction::len_w, i2c_transaction::status, and i2c_transaction::type.

Referenced by adxl345_i2c_periodic().

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adxl345_i2c_start_configure()

void adxl345_i2c_start_configure

(

struct Adxl345_I2c *

adxl

)

Start configuration if not already done.

Definition at line 90 of file adxl345_i2c.c.

References adxl345_i2c_send_config(), ADXL_CONF_UNINIT, Adxl345_I2c::i2c_trans, I2CTransDone, I2CTransSuccess, Adxl345_I2c::init_status, and i2c_transaction::status.

Referenced by adxl345_i2c_periodic().

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