Emulated SPI driver. More...

#include "cfg/cfg_spi_bitbang.h"
#include <cfg/compiler.h>

Defines
#define	SPI_LSB_FIRST 1
	Define send and receive order bit.
Functions
void	spi_write (const void *buf, size_t len)
	Write.
void	spi_read (void *buf, size_t len)
	Read.
uint8_t	spi_sendRecv (uint8_t c)
	Send byte `c` over MOSI line, CONFIG_SPI_DATAORDER first.

Detailed Description

Emulated SPI driver.

Author:: Francesco Sacchi <batt@develer.com>; Daniele Basile <asterix@develer.com>

Definition in file spi_bitbang.h.

Function Documentation

Read.

Parameters:

len	from spi, and put it in
_buff	.

Definition at line 99 of file spi_bitbang.c.

uint8_t spi_sendRecv ( uint8_t c )

Send byte c over MOSI line, CONFIG_SPI_DATAORDER first.

SS pin state is left unchanged.

Definition at line 64 of file spi_bitbang.c.

Write.

Parameters:

len	to spi, and take it from
_buff	.

Definition at line 112 of file spi_bitbang.c.