adxl345_i2c.c File Reference

Driver for ADXL345 accelerometer using I2C. More...

#include "peripherals/adxl345_i2c.h"
#include "std.h"

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Macros
#define	ADXL345_DATA_FORMAT   ((adxl->config.int_invert<<5)|(adxl->config.full_res<<3)|(adxl->config.justify_msb<<2)|(adxl->config.range))
#define	Int16FromBuf(_buf, _idx)   ((int16_t)((_buf[_idx+1]<<8) | _buf[_idx]))

Functions
void	adxl345_i2c_init (struct Adxl345_I2c *adxl, struct i2c_periph *i2c_p, uint8_t addr)
static void	adxl345_i2c_tx_reg (struct Adxl345_I2c *adxl, uint8_t reg, uint8_t val)
static void	adxl345_i2c_send_config (struct Adxl345_I2c *adxl)
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)

Detailed Description

Driver for ADXL345 accelerometer using I2C.

Todo:

IRQ handling

Definition in file adxl345_i2c.c.

Macro Definition Documentation

ADXL345_DATA_FORMAT

#define ADXL345_DATA_FORMAT   ((adxl->config.int_invert<<5)|(adxl->config.full_res<<3)|(adxl->config.justify_msb<<2)|(adxl->config.range))

Definition at line 33 of file adxl345_i2c.c.

Int16FromBuf

#define Int16FromBuf	(		_buf,
			_idx
	)		((int16_t)((_buf[_idx+1]<<8) | _buf[_idx]))

Definition at line 112 of file adxl345_i2c.c.

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_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_send_config()

static void adxl345_i2c_send_config ( struct Adxl345_I2c *  adxl )

static

Definition at line 60 of file adxl345_i2c.c.

References ADXL345_DATA_FORMAT, adxl345_i2c_tx_reg(), ADXL345_REG_BW_RATE, ADXL345_REG_DATA_FORMAT, ADXL345_REG_INT_ENABLE, ADXL345_REG_POWER_CTL, ADXL_CONF_DONE, ADXL_CONF_ENABLE, ADXL_CONF_FORMAT, ADXL_CONF_INT, ADXL_CONF_RATE, Adxl345_I2c::config, Adxl345Config::drdy_int_enable, Adxl345_I2c::i2c_trans, I2CTransDone, Adxl345_I2c::init_status, Adxl345_I2c::initialized, Adxl345Config::rate, and i2c_transaction::status.

Referenced by adxl345_i2c_event(), and adxl345_i2c_start_configure().

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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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adxl345_i2c_tx_reg()

static void adxl345_i2c_tx_reg ( struct Adxl345_I2c *  adxl, uint8_t  reg, uint8_t  val  )

static

Definition at line 49 of file adxl345_i2c.c.

References i2c_transaction::buf, Adxl345_I2c::i2c_p, i2c_submit(), Adxl345_I2c::i2c_trans, I2CTransTx, i2c_transaction::len_r, i2c_transaction::len_w, i2c_transaction::type, and val.

Referenced by adxl345_i2c_send_config().

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