spi_bitbang.h File Reference

Emulated SPI Master for DSP firmware download (interface). More...

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

Go to the source code of this file.

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.

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Detailed Description

Emulated SPI Master for DSP firmware download (interface).

Version:

Id

spi.h 15321 2007-03-21 14:45:12Z asterix

Author:

Francesco Sacchi <batt@develer.com>

Daniele Basile <asterix@develer.com>

Definition in file spi_bitbang.h.

---

Function Documentation

void spi_read	(	void *	_buff,
		size_t	len
	)

Read.

Parameters:

	len	from spi, and put it in
	_buff	.

Definition at line 100 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 65 of file spi_bitbang.c.

void spi_write	(	const void *	_buff,
		size_t	len
	)

Write.

Parameters:

	len	to spi, and take it from
	_buff	.

Definition at line 113 of file spi_bitbang.c.