webiopi.devices.spi Namespace Reference

Classes
class	SPI

Functions
def	_IOC
def	_IOR
def	_IOW
def	SPI_IOC_MESSAGE

Variables
int	_IOC_NRBITS = 8
int	_IOC_TYPEBITS = 8
int	_IOC_SIZEBITS = 14
int	_IOC_DIRBITS = 2
int	_IOC_NRSHIFT = 0
tuple	_IOC_TYPESHIFT = (_IOC_NRSHIFT+_IOC_NRBITS)
tuple	_IOC_SIZESHIFT = (_IOC_TYPESHIFT+_IOC_TYPEBITS)
tuple	_IOC_DIRSHIFT = (_IOC_SIZESHIFT+_IOC_SIZEBITS)
int	_IOC_NONE = 0
int	_IOC_WRITE = 1
int	_IOC_READ = 2
int	SPI_CPHA = 0x01
int	SPI_CPOL = 0x02
tuple	SPI_MODE_0 = (0|0)
tuple	SPI_MODE_1 = (0|SPI_CPHA)
tuple	SPI_MODE_2 = (SPI_CPOL|0)
tuple	SPI_MODE_3 = (SPI_CPOL|SPI_CPHA)
tuple	SPI_IOC_MAGIC = ord('k')
tuple	SPI_IOC_RD_MODE = _IOR(SPI_IOC_MAGIC, 1, 1)
tuple	SPI_IOC_WR_MODE = _IOW(SPI_IOC_MAGIC, 1, 1)
tuple	SPI_IOC_RD_BITS_PER_WORD = _IOR(SPI_IOC_MAGIC, 3, 1)
tuple	SPI_IOC_WR_BITS_PER_WORD = _IOW(SPI_IOC_MAGIC, 3, 1)
tuple	SPI_IOC_RD_MAX_SPEED_HZ = _IOR(SPI_IOC_MAGIC, 4, 4)
tuple	SPI_IOC_WR_MAX_SPEED_HZ = _IOW(SPI_IOC_MAGIC, 4, 4)

Function Documentation

def webiopi.devices.spi._IOC (   direction,   t,   nr,   size  )

private

Definition at line 38 of file spi.py.

Referenced by webiopi.devices.spi._IOR(), and webiopi.devices.spi._IOW().

def webiopi.devices.spi._IOR (   t,   number,   size  )

private

Definition at line 43 of file spi.py.

References webiopi.devices.spi._IOC().

def webiopi.devices.spi._IOW (   t,   number,   size  )

private

Definition at line 45 of file spi.py.

References webiopi.devices.spi._IOC().

Referenced by webiopi.devices.spi.SPI_IOC_MESSAGE().

def webiopi.devices.spi.SPI_IOC_MESSAGE

(

count

)

Definition at line 66 of file spi.py.

References webiopi.devices.spi._IOW().

Referenced by webiopi.devices.spi.SPI.xfer().

Variable Documentation

int webiopi.devices.spi._IOC_DIRBITS = 2

Definition at line 27 of file spi.py.

tuple webiopi.devices.spi._IOC_DIRSHIFT = (_IOC_SIZESHIFT+_IOC_SIZEBITS)

Definition at line 32 of file spi.py.

int webiopi.devices.spi._IOC_NONE = 0

Definition at line 34 of file spi.py.

int webiopi.devices.spi._IOC_NRBITS = 8

Definition at line 24 of file spi.py.

int webiopi.devices.spi._IOC_NRSHIFT = 0

Definition at line 29 of file spi.py.

int webiopi.devices.spi._IOC_READ = 2

Definition at line 36 of file spi.py.

int webiopi.devices.spi._IOC_SIZEBITS = 14

Definition at line 26 of file spi.py.

tuple webiopi.devices.spi._IOC_SIZESHIFT = (_IOC_TYPESHIFT+_IOC_TYPEBITS)

Definition at line 31 of file spi.py.

int webiopi.devices.spi._IOC_TYPEBITS = 8

Definition at line 25 of file spi.py.

tuple webiopi.devices.spi._IOC_TYPESHIFT = (_IOC_NRSHIFT+_IOC_NRBITS)

Definition at line 30 of file spi.py.

int webiopi.devices.spi._IOC_WRITE = 1

Definition at line 35 of file spi.py.

int webiopi.devices.spi.SPI_CPHA = 0x01

Definition at line 48 of file spi.py.

int webiopi.devices.spi.SPI_CPOL = 0x02

Definition at line 49 of file spi.py.

tuple webiopi.devices.spi.SPI_IOC_MAGIC = ord('k')

Definition at line 64 of file spi.py.

tuple webiopi.devices.spi.SPI_IOC_RD_BITS_PER_WORD = _IOR(SPI_IOC_MAGIC, 3, 1)

Definition at line 79 of file spi.py.

tuple webiopi.devices.spi.SPI_IOC_RD_MAX_SPEED_HZ = _IOR(SPI_IOC_MAGIC, 4, 4)

Definition at line 83 of file spi.py.

tuple webiopi.devices.spi.SPI_IOC_RD_MODE = _IOR(SPI_IOC_MAGIC, 1, 1)

Definition at line 70 of file spi.py.

tuple webiopi.devices.spi.SPI_IOC_WR_BITS_PER_WORD = _IOW(SPI_IOC_MAGIC, 3, 1)

Definition at line 80 of file spi.py.

tuple webiopi.devices.spi.SPI_IOC_WR_MAX_SPEED_HZ = _IOW(SPI_IOC_MAGIC, 4, 4)

Definition at line 84 of file spi.py.

tuple webiopi.devices.spi.SPI_IOC_WR_MODE = _IOW(SPI_IOC_MAGIC, 1, 1)

Definition at line 71 of file spi.py.

tuple webiopi.devices.spi.SPI_MODE_0 = (0|0)

Definition at line 51 of file spi.py.

tuple webiopi.devices.spi.SPI_MODE_1 = (0|SPI_CPHA)

Definition at line 52 of file spi.py.

tuple webiopi.devices.spi.SPI_MODE_2 = (SPI_CPOL|0)

Definition at line 53 of file spi.py.

tuple webiopi.devices.spi.SPI_MODE_3 = (SPI_CPOL|SPI_CPHA)

Definition at line 54 of file spi.py.