hmc5843.c File Reference

#include <linux/module.h>
#include <linux/init.h>
#include <linux/i2c.h>
#include <linux/slab.h>
#include <linux/types.h>
#include <linux/iio/iio.h>
#include <linux/iio/sysfs.h>

Go to the source code of this file.

Data Structures
struct	hmc5843_chip_info
struct	hmc5843_data

Macros
#define	HMC5843_CONFIG_REG_A   0x00
#define	HMC5843_CONFIG_REG_B   0x01
#define	HMC5843_MODE_REG   0x02
#define	HMC5843_DATA_OUT_X_MSB_REG   0x03
#define	HMC5843_DATA_OUT_X_LSB_REG   0x04
#define	HMC5843_DATA_OUT_Y_MSB_REG   0x05
#define	HMC5843_DATA_OUT_Y_LSB_REG   0x06
#define	HMC5843_DATA_OUT_Z_MSB_REG   0x07
#define	HMC5843_DATA_OUT_Z_LSB_REG   0x08
#define	HMC5883_DATA_OUT_Z_MSB_REG   0x05
#define	HMC5883_DATA_OUT_Z_LSB_REG   0x06
#define	HMC5883_DATA_OUT_Y_MSB_REG   0x07
#define	HMC5883_DATA_OUT_Y_LSB_REG   0x08
#define	HMC5843_STATUS_REG   0x09
#define	HMC5843_ID_REG_A   0x0A
#define	HMC5843_ID_REG_B   0x0B
#define	HMC5843_ID_REG_C   0x0C
#define	HMC5843_ID_REG_LENGTH   0x03
#define	HMC5843_ID_STRING   "H43"
#define	HMC5843_I2C_ADDRESS   0x1E
#define	HMC5843_RANGE_GAIN_OFFSET   0x05
#define	HMC5843_RANGE_GAIN_DEFAULT   0x01
#define	HMC5843_RANGE_GAIN_MAX   0x07
#define	HMC5843_DATA_READY   0x01
#define	HMC5843_DATA_OUTPUT_LOCK   0x02
#define	HMC5843_VOLTAGE_REGULATOR_ENABLED   0x04
#define	HMC5843_MODE_CONVERSION_CONTINUOUS   0x00
#define	HMC5843_MODE_CONVERSION_SINGLE   0x01
#define	HMC5843_MODE_IDLE   0x02
#define	HMC5843_MODE_SLEEP   0x03
#define	HMC5843_MODE_MASK   0x03
#define	HMC5843_RATE_OFFSET   0x02
#define	HMC5843_RATE_BITMASK   0x1C
#define	HMC5843_RATE_NOT_USED   0x07
#define	HMC5843_MEAS_CONF_NORMAL   0x00
#define	HMC5843_MEAS_CONF_POSITIVE_BIAS   0x01
#define	HMC5843_MEAS_CONF_NEGATIVE_BIAS   0x02
#define	HMC5843_MEAS_CONF_NOT_USED   0x03
#define	HMC5843_MEAS_CONF_MASK   0x03
#define	HMC5843_CHANNEL(axis, add)
#define	HMC5843_PM_OPS   NULL

Enumerations
enum	hmc5843_ids { HMC5843_ID, HMC5883_ID, HMC5883L_ID }

Functions
	MODULE_DEVICE_TABLE (i2c, hmc5843_id)
	module_i2c_driver (hmc5843_driver)
	MODULE_AUTHOR ("Shubhrajyoti Datta <[email protected]")
	MODULE_DESCRIPTION ("HMC5843/5883/5883L driver")
	MODULE_LICENSE ("GPL")

Macro Definition Documentation

#define HMC5843_CHANNEL	(		axis,
			add
	)

Value:

{                               \
        .type = IIO_MAGN,                   \
        .modified = 1,                      \
        .channel2 = IIO_MOD_##axis,             \
        .info_mask = IIO_CHAN_INFO_RAW_SEPARATE_BIT |       \
                 IIO_CHAN_INFO_SCALE_SHARED_BIT,        \
        .address = add                      \
    }

Definition at line 562 of file hmc5843.c.

#define HMC5843_CONFIG_REG_A   0x00

Definition at line 30 of file hmc5843.c.

#define HMC5843_CONFIG_REG_B   0x01

Definition at line 31 of file hmc5843.c.

#define HMC5843_DATA_OUT_X_LSB_REG   0x04

Definition at line 34 of file hmc5843.c.

#define HMC5843_DATA_OUT_X_MSB_REG   0x03

Definition at line 33 of file hmc5843.c.

#define HMC5843_DATA_OUT_Y_LSB_REG   0x06

Definition at line 36 of file hmc5843.c.

#define HMC5843_DATA_OUT_Y_MSB_REG   0x05

Definition at line 35 of file hmc5843.c.

#define HMC5843_DATA_OUT_Z_LSB_REG   0x08

Definition at line 38 of file hmc5843.c.

#define HMC5843_DATA_OUT_Z_MSB_REG   0x07

Definition at line 37 of file hmc5843.c.

#define HMC5843_DATA_OUTPUT_LOCK   0x02

Definition at line 76 of file hmc5843.c.

#define HMC5843_DATA_READY   0x01

Definition at line 75 of file hmc5843.c.

#define HMC5843_I2C_ADDRESS   0x1E

Definition at line 61 of file hmc5843.c.

#define HMC5843_ID_REG_A   0x0A

Definition at line 45 of file hmc5843.c.

#define HMC5843_ID_REG_B   0x0B

Definition at line 46 of file hmc5843.c.

#define HMC5843_ID_REG_C   0x0C

Definition at line 47 of file hmc5843.c.

#define HMC5843_ID_REG_LENGTH   0x03

Definition at line 59 of file hmc5843.c.

#define HMC5843_ID_STRING   "H43"

Definition at line 60 of file hmc5843.c.

#define HMC5843_MEAS_CONF_MASK   0x03

Definition at line 104 of file hmc5843.c.

#define HMC5843_MEAS_CONF_NEGATIVE_BIAS   0x02

Definition at line 102 of file hmc5843.c.

#define HMC5843_MEAS_CONF_NORMAL   0x00

Definition at line 100 of file hmc5843.c.

#define HMC5843_MEAS_CONF_NOT_USED   0x03

Definition at line 103 of file hmc5843.c.

#define HMC5843_MEAS_CONF_POSITIVE_BIAS   0x01

Definition at line 101 of file hmc5843.c.

#define HMC5843_MODE_CONVERSION_CONTINUOUS   0x00

Definition at line 83 of file hmc5843.c.

#define HMC5843_MODE_CONVERSION_SINGLE   0x01

Definition at line 84 of file hmc5843.c.

#define HMC5843_MODE_IDLE   0x02

Definition at line 85 of file hmc5843.c.

#define HMC5843_MODE_MASK   0x03

Definition at line 87 of file hmc5843.c.

#define HMC5843_MODE_REG   0x02

Definition at line 32 of file hmc5843.c.

#define HMC5843_MODE_SLEEP   0x03

Definition at line 86 of file hmc5843.c.

#define HMC5843_PM_OPS   NULL

Definition at line 740 of file hmc5843.c.

#define HMC5843_RANGE_GAIN_DEFAULT   0x01

Definition at line 69 of file hmc5843.c.

#define HMC5843_RANGE_GAIN_MAX   0x07

Definition at line 70 of file hmc5843.c.

#define HMC5843_RANGE_GAIN_OFFSET   0x05

Definition at line 68 of file hmc5843.c.

#define HMC5843_RATE_BITMASK   0x1C

Definition at line 94 of file hmc5843.c.

#define HMC5843_RATE_NOT_USED   0x07

Definition at line 95 of file hmc5843.c.

#define HMC5843_RATE_OFFSET   0x02

Definition at line 93 of file hmc5843.c.

#define HMC5843_STATUS_REG   0x09

Definition at line 44 of file hmc5843.c.

#define HMC5843_VOLTAGE_REGULATOR_ENABLED   0x04

Definition at line 78 of file hmc5843.c.

#define HMC5883_DATA_OUT_Y_LSB_REG   0x08

Definition at line 43 of file hmc5843.c.

#define HMC5883_DATA_OUT_Y_MSB_REG   0x07

Definition at line 42 of file hmc5843.c.

#define HMC5883_DATA_OUT_Z_LSB_REG   0x06

Definition at line 41 of file hmc5843.c.

#define HMC5883_DATA_OUT_Z_MSB_REG   0x05

Definition at line 40 of file hmc5843.c.

Enumeration Type Documentation

enum hmc5843_ids

Enumerator:

HMC5843_ID
HMC5883_ID
HMC5883L_ID

Definition at line 49 of file hmc5843.c.

Function Documentation

MODULE_AUTHOR

(

)

MODULE_DESCRIPTION

(

"HMC5843/5883/5883L driver"

)

MODULE_DEVICE_TABLE	(	i2c	,
		hmc5843_id
	)

module_i2c_driver

(

hmc5843_driver

)

MODULE_LICENSE

(

"GPL"

)