ad2s1210.c File Reference

#include <linux/types.h>
#include <linux/mutex.h>
#include <linux/device.h>
#include <linux/spi/spi.h>
#include <linux/slab.h>
#include <linux/sysfs.h>
#include <linux/delay.h>
#include <linux/gpio.h>
#include <linux/module.h>
#include <linux/iio/iio.h>
#include <linux/iio/sysfs.h>
#include "ad2s1210.h"

Go to the source code of this file.

Data Structures
struct	ad2s1210_state

Macros
#define	DRV_NAME   "ad2s1210"
#define	AD2S1210_DEF_CONTROL   0x7E
#define	AD2S1210_MSB_IS_HIGH   0x80
#define	AD2S1210_MSB_IS_LOW   0x7F
#define	AD2S1210_PHASE_LOCK_RANGE_44   0x20
#define	AD2S1210_ENABLE_HYSTERESIS   0x10
#define	AD2S1210_SET_ENRES1   0x08
#define	AD2S1210_SET_ENRES0   0x04
#define	AD2S1210_SET_RES1   0x02
#define	AD2S1210_SET_RES0   0x01
#define	AD2S1210_SET_ENRESOLUTION
#define	AD2S1210_SET_RESOLUTION   (AD2S1210_SET_RES1 | AD2S1210_SET_RES0)
#define	AD2S1210_REG_POSITION   0x80
#define	AD2S1210_REG_VELOCITY   0x82
#define	AD2S1210_REG_LOS_THRD   0x88
#define	AD2S1210_REG_DOS_OVR_THRD   0x89
#define	AD2S1210_REG_DOS_MIS_THRD   0x8A
#define	AD2S1210_REG_DOS_RST_MAX_THRD   0x8B
#define	AD2S1210_REG_DOS_RST_MIN_THRD   0x8C
#define	AD2S1210_REG_LOT_HIGH_THRD   0x8D
#define	AD2S1210_REG_LOT_LOW_THRD   0x8E
#define	AD2S1210_REG_EXCIT_FREQ   0x91
#define	AD2S1210_REG_CONTROL   0x92
#define	AD2S1210_REG_SOFT_RESET   0xF0
#define	AD2S1210_REG_FAULT   0xFF
#define	AD2S1210_SAA   3
#define	AD2S1210_PN   (AD2S1210_SAA + AD2S1210_RES)
#define	AD2S1210_MIN_CLKIN   6144000
#define	AD2S1210_MAX_CLKIN   10240000
#define	AD2S1210_MIN_EXCIT   2000
#define	AD2S1210_MAX_EXCIT   20000
#define	AD2S1210_MIN_FCW   0x4
#define	AD2S1210_MAX_FCW   0x50
#define	AD2S1210_DEF_CLKIN   8192000
#define	AD2S1210_DEF_TCK   (1000000000/AD2S1210_DEF_CLKIN)
#define	AD2S1210_DEF_EXCIT   10000

Enumerations
enum	ad2s1210_mode { MOD_POS = 0, MOD_VEL, MOD_CONFIG, MOD_RESERVED }

Functions
	MODULE_DEVICE_TABLE (spi, ad2s1210_id)
	module_spi_driver (ad2s1210_driver)
	MODULE_AUTHOR ("Graff Yang <[email protected]>")
	MODULE_DESCRIPTION ("Analog Devices AD2S1210 Resolver to Digital SPI driver")
	MODULE_LICENSE ("GPL v2")

Macro Definition Documentation

#define AD2S1210_DEF_CLKIN   8192000

Definition at line 68 of file ad2s1210.c.

#define AD2S1210_DEF_CONTROL   0x7E

Definition at line 27 of file ad2s1210.c.

#define AD2S1210_DEF_EXCIT   10000

Definition at line 71 of file ad2s1210.c.

#define AD2S1210_DEF_TCK   (1000000000/AD2S1210_DEF_CLKIN)

Definition at line 70 of file ad2s1210.c.

#define AD2S1210_ENABLE_HYSTERESIS   0x10

Definition at line 32 of file ad2s1210.c.

#define AD2S1210_MAX_CLKIN   10240000

Definition at line 61 of file ad2s1210.c.

#define AD2S1210_MAX_EXCIT   20000

Definition at line 63 of file ad2s1210.c.

#define AD2S1210_MAX_FCW   0x50

Definition at line 65 of file ad2s1210.c.

#define AD2S1210_MIN_CLKIN   6144000

Definition at line 60 of file ad2s1210.c.

#define AD2S1210_MIN_EXCIT   2000

Definition at line 62 of file ad2s1210.c.

#define AD2S1210_MIN_FCW   0x4

Definition at line 64 of file ad2s1210.c.

#define AD2S1210_MSB_IS_HIGH   0x80

Definition at line 29 of file ad2s1210.c.

#define AD2S1210_MSB_IS_LOW   0x7F

Definition at line 30 of file ad2s1210.c.

#define AD2S1210_PHASE_LOCK_RANGE_44   0x20

Definition at line 31 of file ad2s1210.c.

#define AD2S1210_PN   (AD2S1210_SAA + AD2S1210_RES)

Definition at line 58 of file ad2s1210.c.

#define AD2S1210_REG_CONTROL   0x92

Definition at line 52 of file ad2s1210.c.

#define AD2S1210_REG_DOS_MIS_THRD   0x8A

Definition at line 46 of file ad2s1210.c.

#define AD2S1210_REG_DOS_OVR_THRD   0x89

Definition at line 45 of file ad2s1210.c.

#define AD2S1210_REG_DOS_RST_MAX_THRD   0x8B

Definition at line 47 of file ad2s1210.c.

#define AD2S1210_REG_DOS_RST_MIN_THRD   0x8C

Definition at line 48 of file ad2s1210.c.

#define AD2S1210_REG_EXCIT_FREQ   0x91

Definition at line 51 of file ad2s1210.c.

#define AD2S1210_REG_FAULT   0xFF

Definition at line 54 of file ad2s1210.c.

#define AD2S1210_REG_LOS_THRD   0x88

Definition at line 44 of file ad2s1210.c.

#define AD2S1210_REG_LOT_HIGH_THRD   0x8D

Definition at line 49 of file ad2s1210.c.

#define AD2S1210_REG_LOT_LOW_THRD   0x8E

Definition at line 50 of file ad2s1210.c.

#define AD2S1210_REG_POSITION   0x80

Definition at line 42 of file ad2s1210.c.

#define AD2S1210_REG_SOFT_RESET   0xF0

Definition at line 53 of file ad2s1210.c.

#define AD2S1210_REG_VELOCITY   0x82

Definition at line 43 of file ad2s1210.c.

#define AD2S1210_SAA   3

Definition at line 57 of file ad2s1210.c.

#define AD2S1210_SET_ENRES0   0x04

Definition at line 34 of file ad2s1210.c.

#define AD2S1210_SET_ENRES1   0x08

Definition at line 33 of file ad2s1210.c.

#define AD2S1210_SET_ENRESOLUTION

Value:

(AD2S1210_SET_ENRES1 |  \
                     AD2S1210_SET_ENRES0)

Definition at line 38 of file ad2s1210.c.

#define AD2S1210_SET_RES0   0x01

Definition at line 36 of file ad2s1210.c.

#define AD2S1210_SET_RES1   0x02

Definition at line 35 of file ad2s1210.c.

#define AD2S1210_SET_RESOLUTION   (AD2S1210_SET_RES1 | AD2S1210_SET_RES0)

Definition at line 40 of file ad2s1210.c.

#define DRV_NAME   "ad2s1210"

Definition at line 25 of file ad2s1210.c.

Enumeration Type Documentation

enum ad2s1210_mode

Enumerator:

MOD_POS
MOD_VEL
MOD_CONFIG
MOD_RESERVED

Definition at line 73 of file ad2s1210.c.

Function Documentation

MODULE_AUTHOR

(

"Graff Yang <[email protected]>"

)

MODULE_DESCRIPTION

(

"Analog Devices AD2S1210 Resolver to Digital SPI driver"

)

MODULE_DEVICE_TABLE	(	spi	,
		ad2s1210_id
	)

MODULE_LICENSE

(

"GPL v2"

)

module_spi_driver

(

ad2s1210_driver

)