adxl345_spi.h File Reference

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

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

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Data Structures
struct	Adxl345_Spi
union	Adxl345_Spi.data

Functions
void	adxl345_spi_init (struct Adxl345_Spi *adxl, struct spi_periph *spi_p, uint8_t addr)
void	adxl345_spi_start_configure (struct Adxl345_Spi *adxl)
void	adxl345_spi_read (struct Adxl345_Spi *adxl)
void	adxl345_spi_event (struct Adxl345_Spi *adxl)
static void	adxl345_spi_periodic (struct Adxl345_Spi *adxl)
	convenience function: read or start configuration if not already initialized More...

Detailed Description

Driver for the accelerometer ADXL345 from Analog Devices using SPI.

Definition in file adxl345_spi.h.

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Data Structure Documentation

Adxl345_Spi

struct Adxl345_Spi

Definition at line 39 of file adxl345_spi.h.

Collaboration diagram for Adxl345_Spi:

Data Fields
struct Adxl345Config	config
union Adxl345_Spi	data
volatile bool	data_available	data ready flag
enum Adxl345ConfStatus	init_status	init status
bool	initialized	config done flag
volatile uint8_t	rx_buf[7]
struct spi_periph *	spi_p
struct spi_transaction	spi_trans
volatile uint8_t	tx_buf[7]

Adxl345_Spi.data

union Adxl345_Spi.data

Definition at line 47 of file adxl345_spi.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_spi_event()

void adxl345_spi_event

(

struct Adxl345_Spi *

adxl

)

Definition at line 131 of file adxl345_spi.c.

References adxl345_spi_send_config(), ADXL_CONF_UNINIT, Adxl345_Spi::data, Adxl345_Spi::data_available, Adxl345_Spi::init_status, Adxl345_Spi::initialized, Int16FromBuf, Adxl345_Spi::rx_buf, Adxl345_Spi::spi_trans, SPITransDone, SPITransFailed, SPITransSuccess, and spi_transaction::status.

Referenced by imu_aspirin_event().

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adxl345_spi_init()

void adxl345_spi_init	(	struct Adxl345_Spi *	adxl,
		struct spi_periph *	spi_p,
		uint8_t	addr
	)

Definition at line 35 of file adxl345_spi.c.

References adxl345_set_default_config(), ADXL_CONF_UNINIT, spi_transaction::after_cb, spi_transaction::before_cb, spi_transaction::bitorder, spi_transaction::cdiv, Adxl345_Spi::config, spi_transaction::cpha, spi_transaction::cpol, Adxl345_Spi::data_available, spi_transaction::dss, Adxl345_Spi::init_status, Adxl345_Spi::initialized, spi_transaction::input_buf, spi_transaction::input_length, spi_transaction::output_buf, spi_transaction::output_length, Adxl345_Spi::rx_buf, spi_transaction::select, spi_transaction::slave_idx, Adxl345_Spi::spi_p, Adxl345_Spi::spi_trans, SPICphaEdge2, SPICpolIdleHigh, SPIDiv64, SPIDss8bit, SPIMSBFirst, SPISelectUnselect, SPITransDone, spi_transaction::status, and Adxl345_Spi::tx_buf.

Referenced by imu_aspirin_init().

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adxl345_spi_periodic()

static void adxl345_spi_periodic ( struct Adxl345_Spi *  adxl )

inlinestatic

convenience function: read or start configuration if not already initialized

Definition at line 61 of file adxl345_spi.h.

References adxl345_spi_read(), adxl345_spi_start_configure(), and Adxl345_Spi::initialized.

Referenced by imu_aspirin_periodic().

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adxl345_spi_read()

void adxl345_spi_read

(

struct Adxl345_Spi *

adxl

)

Definition at line 118 of file adxl345_spi.c.

References ADXL345_REG_DATA_X0, Adxl345_Spi::initialized, spi_transaction::input_length, spi_transaction::output_length, Adxl345_Spi::spi_p, spi_submit(), Adxl345_Spi::spi_trans, SPITransDone, spi_transaction::status, and Adxl345_Spi::tx_buf.

Referenced by adxl345_spi_periodic().

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adxl345_spi_start_configure()

void adxl345_spi_start_configure

(

struct Adxl345_Spi *

adxl

)

Definition at line 108 of file adxl345_spi.c.

References adxl345_spi_send_config(), ADXL_CONF_UNINIT, Adxl345_Spi::init_status, Adxl345_Spi::spi_trans, SPITransDone, SPITransSuccess, and spi_transaction::status.

Referenced by adxl345_spi_periodic().

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