spi_channel Struct Reference

#include <spi_io.h>

Collaboration diagram for spi_channel:

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Detailed Description

controls an individual spi channel

describes an spi channel we attach one of these to each file descriptor if the open function succeeds. The PCI device contains an array of these one for each SPI channel.

Data Fields
atomic_t	open_count
axis_pci_device_entry *	parent_device
unsigned char	channel_number
unsigned char	control
long	minimum_inter_char_time

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Field Documentation

unsigned char spi_channel::channel_number

which device 0 1 2 currently supported

unsigned char spi_channel::control

contains a flags controlling SPI settings

long spi_channel::minimum_inter_char_time

driver can choke tx rate if the target device is sluggish

atomic_t spi_channel::open_count

only allow one process to open each channel

struct axis_pci_device_entry* spi_channel::parent_device

Needed to reference hardware addresses

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The documentation for this struct was generated from the following file:

• spi_io.h

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