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File: [local] / funnyos / dev / bus_spi.c (download)

Revision 1.2, Fri Dec 21 17:40:29 2007 UTC (16 years, 4 months ago) by nbrk
Branch: MAIN
CVS Tags: HEAD
Changes since 1.1: +16 -2 lines 

add spi_cs{low,high}() to set CS line to low/high logic level.

/*
 * $Id: bus_spi.c,v 1.2 2007/12/21 17:40:29 nbrk Exp $
 */
#include <sys/types.h>
#include <sys/bus_spi.h>

uint8_t
spi_transmit(struct spi_bus_handle *sbh, uint8_t data)
{
	return(sbh->sb_transmitfunc(sbh->sb_dd, data));
}


void
spi_cs_low(struct spi_bus_handle *sbh)
{
	sbh->sb_cslowfunc(sbh->sb_dd);
}


void
spi_cs_high(struct spi_bus_handle *sbh)
{
	sbh->sb_cshighfunc(sbh->sb_dd);
}