ak8963.h File Reference

Register and address definitions for AK8963 magnetometer. More...

#include "std.h"
#include "mcu_periph/i2c.h"
#include "math/pprz_algebra_int.h"
#include "peripherals/ak8963_regs.h"

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Data Structures
struct	Ak8963
	Default Ak8963 structure. More...
union	Ak8963.data

Enumerations
enum	Ak8963ConfStatus { AK_CONF_UNINIT , AK_CONF_MODE , AK_CONF_DONE }
	Config status states. More...
enum	Ak8963Status { AK_STATUS_IDLE , AK_STATUS_READ , AK_STATUS_DONE }
	Normal status states. More...

Functions
void	ak8963_init (struct Ak8963 *ak, struct i2c_periph *i2c_p, uint8_t addr)
	Initialize AK8963 struct. More...
void	ak8963_configure (struct Ak8963 *ak)
void	ak8963_event (struct Ak8963 *ak)
void	ak8963_read (struct Ak8963 *ak)
static void	ak8963_periodic (struct Ak8963 *ak)
	convenience function: read or start configuration if not already initialized More...

Detailed Description

Register and address definitions for AK8963 magnetometer.

Definition in file ak8963.h.

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Data Structure Documentation

Ak8963

struct Ak8963

Default Ak8963 structure.

Definition at line 53 of file ak8963.h.

Collaboration diagram for Ak8963:

Data Fields
union Ak8963	data
volatile bool	data_available	data ready flag
struct i2c_periph *	i2c_p	peripheral used for communcation
struct i2c_transaction	i2c_trans	i2c transaction used for communication with the ak8936
enum Ak8963ConfStatus	init_status	init status
bool	initialized	config done flag
enum Ak8963Status	status	main status

Ak8963.data

union Ak8963.data

Definition at line 62 of file ak8963.h.

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

Enumeration Type Documentation

Ak8963ConfStatus

enum Ak8963ConfStatus

Config status states.

Enumerator
AK_CONF_UNINIT
AK_CONF_MODE
AK_CONF_DONE

Definition at line 39 of file ak8963.h.

Ak8963Status

enum Ak8963Status

Normal status states.

Enumerator
AK_STATUS_IDLE
AK_STATUS_READ
AK_STATUS_DONE

Definition at line 46 of file ak8963.h.

Function Documentation

ak8963_configure()

void ak8963_configure

(

struct Ak8963 *

ak

)

Definition at line 46 of file ak8963.c.

References AK8963_CNTL1_CM_2, AK8963_REG_CNTL1, AK8963_REG_CNTL2, AK_CONF_MODE, AK_CONF_UNINIT, i2c_transaction::buf, Ak8963::i2c_p, Ak8963::i2c_trans, i2c_transmit(), I2CTransDone, I2CTransFailed, I2CTransSuccess, Ak8963::init_status, Ak8963::initialized, i2c_transaction::slave_addr, and i2c_transaction::status.

Referenced by ak8963_periodic(), and imu_mpu9250_configure_mag_slave().

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ak8963_event()

void ak8963_event

(

struct Ak8963 *

ak

)

Definition at line 95 of file ak8963.c.

References AK8963_REG_HXL, AK8963_REG_ST2, AK_STATUS_IDLE, AK_STATUS_READ, i2c_transaction::buf, Ak8963::data, Ak8963::data_available, Ak8963::i2c_p, Ak8963::i2c_trans, i2c_transceive(), I2CTransDone, I2CTransFailed, I2CTransSuccess, Ak8963::initialized, Int16FromBuf, i2c_transaction::slave_addr, i2c_transaction::status, and Ak8963::status.

Referenced by imu_bebop_event(), imu_disco_event(), and mpu9250_i2c_event().

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ak8963_init()

void ak8963_init	(	struct Ak8963 *	ak,
		struct i2c_periph *	i2c_p,
		uint8_t	addr
	)

Initialize AK8963 struct.

Definition at line 34 of file ak8963.c.

References AK_CONF_UNINIT, Ak8963::data_available, Ak8963::i2c_p, Ak8963::i2c_trans, I2CTransDone, Ak8963::init_status, Ak8963::initialized, i2c_transaction::slave_addr, and i2c_transaction::status.

Referenced by imu_bebop_init(), imu_disco_init(), and mpu9250_i2c_init().

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ak8963_periodic()

static void ak8963_periodic ( struct Ak8963 *  ak )

inlinestatic

convenience function: read or start configuration if not already initialized

Definition at line 75 of file ak8963.h.

References ak8963_configure(), ak8963_read(), and Ak8963::initialized.

Referenced by imu_bebop_periodic(), and imu_disco_periodic().

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ak8963_read()

void ak8963_read

(

struct Ak8963 *

ak

)

Definition at line 83 of file ak8963.c.

References AK8963_REG_ST1, AK_STATUS_IDLE, i2c_transaction::buf, Ak8963::i2c_p, Ak8963::i2c_trans, i2c_transceive(), i2c_transaction::slave_addr, and Ak8963::status.

Referenced by ak8963_periodic(), and mpu9250_i2c_read().

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