ak8963.c File Reference

Driver for the AKM AK8963 magnetometer. More...

#include "peripherals/ak8963.h"
#include "std.h"

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

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_read (struct Ak8963 *ak)
void	ak8963_event (struct Ak8963 *ak)

Detailed Description

Driver for the AKM AK8963 magnetometer.

Definition in file ak8963.c.

Macro Definition Documentation

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

Definition at line 94 of file ak8963.c.

Referenced by ak8963_event().

Function Documentation

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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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, Ak8963::status, and i2c_transaction::status.

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

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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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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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