spi.h File Reference

SPI driver. More...

Go to the source code of this file.

Enumerations
enum	spi_slave { SSB2 , SSB3 , SSE2 }
	Identifiers for available SPI slave devices. More...

Functions
int	spi_init (void)
	Initialize SPI in master mode.
int	spi_ready (void)
	Check if the SPI subsystem is initialized.
int	spi_send_n (enum spi_slave *slave, unsigned char *data, int length)
	Send a sequence of bytes to a slave without reading response.
int	spi_send (enum spi_slave *slave, unsigned char data)
	Send a single byte to a slave.
int	spi_recieve (enum spi_slave *slave, unsigned char *out)
	Receive one byte from a slave.
int	spi_recieve_n (enum spi_slave *slave, unsigned char *out, int length)
	Receive several bytes from a slave.
int	spi_duplex (enum spi_slave *slave, unsigned char *data, unsigned char *out, int length)
	Full-duplex SPI transfer.
int	spi_set_slave_select (enum spi_slave *slave, unsigned char state)
	Set the slave-select line for the given device.
int	spi_push (enum spi_slave *slave, unsigned char data, unsigned char *out)
	Push one byte to a slave and optionally read the response.

Detailed Description

SPI driver.

Definition in file spi.h.