added macro for checking whether SPI is ENABLED

This commit is contained in:
fros4943 2009-10-27 15:25:02 +00:00
parent fc83caf42a
commit 6b36cd9de9

View file

@ -1,5 +1,5 @@
/* -*- C -*- */ /* -*- C -*- */
/* @(#)$Id: contiki-conf.h,v 1.60 2009/10/18 07:15:33 adamdunkels Exp $ */ /* @(#)$Id: contiki-conf.h,v 1.61 2009/10/27 15:25:02 fros4943 Exp $ */
#ifndef CONTIKI_CONF_H #ifndef CONTIKI_CONF_H
#define CONTIKI_CONF_H #define CONTIKI_CONF_H
@ -249,6 +249,7 @@ typedef unsigned long off_t;
#define SPI_ENABLE() ( P4OUT &= ~BV(CSN) ) /* ENABLE CSn (active low) */ #define SPI_ENABLE() ( P4OUT &= ~BV(CSN) ) /* ENABLE CSn (active low) */
#define SPI_DISABLE() ( P4OUT |= BV(CSN) ) /* DISABLE CSn (active low) */ #define SPI_DISABLE() ( P4OUT |= BV(CSN) ) /* DISABLE CSn (active low) */
#define SPI_ENABLED() ( (P4OUT & BV(CSN)) != BV(CSN) )
#ifdef PROJECT_CONF_H #ifdef PROJECT_CONF_H
#include PROJECT_CONF_H #include PROJECT_CONF_H