spidev.h File Reference

#include <stdint.h>

Go to the source code of this file.

Data Structures
struct	spi_ioc_transfer

Macros
#define	SPI_CPHA   0x01
#define	SPI_CPOL   0x02
#define	SPI_MODE_0   (0 | 0)
#define	SPI_MODE_1   (0 | SPI_CPHA)
#define	SPI_MODE_2   (SPI_CPOL | 0)
#define	SPI_MODE_3   (SPI_CPOL | SPI_CPHA)
#define	SPI_CS_HIGH   0x04
#define	SPI_LSB_FIRST   0x08
#define	SPI_NO_CS   0x40
#define	SPI_READY   0x80
#define	SPI_IOC_MAGIC   'k'
#define	SPI_IOC_MESSAGE(__N)
#define	SPI_IOC_RD_MODE   _IOR(SPI_IOC_MAGIC, 1, uint8_t)
#define	SPI_IOC_WR_MODE   _IOW(SPI_IOC_MAGIC, 1, uint8_t)
#define	SPI_IOC_RD_LSB_FIRST   _IOR(SPI_IOC_MAGIC, 2, uint8_t)
#define	SPI_IOC_WR_LSB_FIRST   _IOW(SPI_IOC_MAGIC, 2, uint8_t)
#define	SPI_IOC_RD_BITS_PER_WORD   _IOR(SPI_IOC_MAGIC, 3, uint8_t)
#define	SPI_IOC_WR_BITS_PER_WORD   _IOW(SPI_IOC_MAGIC, 3, uint8_t)
#define	SPI_IOC_RD_MAX_SPEED_HZ   _IOR(SPI_IOC_MAGIC, 4, uint32_t)
#define	SPI_IOC_WR_MAX_SPEED_HZ   _IOW(SPI_IOC_MAGIC, 4, uint32_t)
#define	SPI_IOC_RD_MODE32   _IOR(SPI_IOC_MAGIC, 5, uint32_t)
#define	SPI_IOC_WR_MODE32   _IOW(SPI_IOC_MAGIC, 5, uint32_t)

Macro Definition Documentation

SPI_CPHA

#define SPI_CPHA   0x01

SPI_CPOL

#define SPI_CPOL   0x02

SPI_MODE_0

#define SPI_MODE_0   (0 | 0)

SPI_MODE_1

#define SPI_MODE_1   (0 | SPI_CPHA)

SPI_MODE_2

#define SPI_MODE_2   (SPI_CPOL | 0)

SPI_MODE_3

#define SPI_MODE_3   (SPI_CPOL | SPI_CPHA)

SPI_CS_HIGH

#define SPI_CS_HIGH   0x04

SPI_LSB_FIRST

#define SPI_LSB_FIRST   0x08

SPI_NO_CS

#define SPI_NO_CS   0x40

SPI_READY

#define SPI_READY   0x80

SPI_IOC_MAGIC

#define SPI_IOC_MAGIC   'k'

SPI_IOC_MESSAGE

#define SPI_IOC_MESSAGE

(

__N

)

Value:

_IOC(_IOC_WRITE, SPI_IOC_MAGIC, 0, __N)

SPI_IOC_RD_MODE

#define SPI_IOC_RD_MODE   _IOR(SPI_IOC_MAGIC, 1, uint8_t)

SPI_IOC_WR_MODE

#define SPI_IOC_WR_MODE   _IOW(SPI_IOC_MAGIC, 1, uint8_t)

SPI_IOC_RD_LSB_FIRST

#define SPI_IOC_RD_LSB_FIRST   _IOR(SPI_IOC_MAGIC, 2, uint8_t)

SPI_IOC_WR_LSB_FIRST

#define SPI_IOC_WR_LSB_FIRST   _IOW(SPI_IOC_MAGIC, 2, uint8_t)

SPI_IOC_RD_BITS_PER_WORD

#define SPI_IOC_RD_BITS_PER_WORD   _IOR(SPI_IOC_MAGIC, 3, uint8_t)

SPI_IOC_WR_BITS_PER_WORD

#define SPI_IOC_WR_BITS_PER_WORD   _IOW(SPI_IOC_MAGIC, 3, uint8_t)

SPI_IOC_RD_MAX_SPEED_HZ

#define SPI_IOC_RD_MAX_SPEED_HZ   _IOR(SPI_IOC_MAGIC, 4, uint32_t)

SPI_IOC_WR_MAX_SPEED_HZ

#define SPI_IOC_WR_MAX_SPEED_HZ   _IOW(SPI_IOC_MAGIC, 4, uint32_t)

SPI_IOC_RD_MODE32

#define SPI_IOC_RD_MODE32   _IOR(SPI_IOC_MAGIC, 5, uint32_t)

SPI_IOC_WR_MODE32

#define SPI_IOC_WR_MODE32   _IOW(SPI_IOC_MAGIC, 5, uint32_t)