sca3000_core.c File Reference

#include <linux/interrupt.h>
#include <linux/fs.h>
#include <linux/device.h>
#include <linux/slab.h>
#include <linux/kernel.h>
#include <linux/spi/spi.h>
#include <linux/sysfs.h>
#include <linux/module.h>
#include <linux/iio/iio.h>
#include <linux/iio/sysfs.h>
#include <linux/iio/events.h>
#include <linux/iio/buffer.h>
#include "sca3000.h"

Go to the source code of this file.

Macros
#define	SCA3000_INFO_MASK   IIO_CHAN_INFO_RAW_SEPARATE_BIT | IIO_CHAN_INFO_SCALE_SHARED_BIT
#define	SCA3000_EVENT_MASK   (IIO_EV_BIT(IIO_EV_TYPE_MAG, IIO_EV_DIR_RISING))
#define	SCA3000_CHAN(index, mod)

Enumerations
enum	sca3000_variant { d01, e02, e04, e05 }

Functions
int	sca3000_write_reg (struct sca3000_state *st, u8 address, u8 val)
int	sca3000_read_data_short (struct sca3000_state *st, uint8_t reg_address_high, int len)
	MODULE_DEVICE_TABLE (spi, sca3000_id)
	module_spi_driver (sca3000_driver)
	MODULE_AUTHOR ("Jonathan Cameron <[email protected]>")
	MODULE_DESCRIPTION ("VTI SCA3000 Series Accelerometers SPI driver")
	MODULE_LICENSE ("GPL v2")

Macro Definition Documentation

#define SCA3000_CHAN	(		index,
			mod
	)

Value:

{                           \
        .type = IIO_ACCEL,              \
        .modified = 1,                  \
        .channel2 = mod,                \
        .info_mask = SCA3000_INFO_MASK,         \
        .address = index,               \
        .scan_index = index,                \
        .scan_type = {                  \
            .sign = 's',                \
            .realbits = 11,             \
            .storagebits = 16,          \
            .shift = 5,             \
        },                      \
        .event_mask = SCA3000_EVENT_MASK,       \
     }

Definition at line 436 of file sca3000_core.c.

#define SCA3000_EVENT_MASK   (IIO_EV_BIT(IIO_EV_TYPE_MAG, IIO_EV_DIR_RISING))

Definition at line 433 of file sca3000_core.c.

#define SCA3000_INFO_MASK   IIO_CHAN_INFO_RAW_SEPARATE_BIT | IIO_CHAN_INFO_SCALE_SHARED_BIT

Definition at line 431 of file sca3000_core.c.

Enumeration Type Documentation

enum sca3000_variant

Enumerator:

d01
e02
e04
e05

Definition at line 28 of file sca3000_core.c.

Function Documentation

MODULE_AUTHOR

(

"Jonathan Cameron <[email protected]>"

)

MODULE_DESCRIPTION

(

"VTI SCA3000 Series Accelerometers SPI driver"

)

MODULE_DEVICE_TABLE	(	spi	,
		sca3000_id
	)

MODULE_LICENSE

(

"GPL v2"

)

module_spi_driver

(

sca3000_driver

)

int sca3000_read_data_short	(	struct sca3000_state *	st,
		uint8_t	reg_address_high,
		int	len
	)

Definition at line 89 of file sca3000_core.c.

int sca3000_write_reg	(	struct sca3000_state *	st,
		u8	address,
		u8	val
	)

sca3000_write_reg() write a single register : address of register on chip : value to be written to register

The main lock must be held.

Definition at line 82 of file sca3000_core.c.