nes-proj/platform/minimal-net/leds-arch.c
2013-01-30 09:18:40 -08:00

71 lines
2.5 KiB
C

/*
* Copyright (c) 2005, Swedish Institute of Computer Science.
* All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
* 1. Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* 2. Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in the
* documentation and/or other materials provided with the distribution.
* 3. Neither the name of the Institute nor the names of its contributors
* may be used to endorse or promote products derived from this software
* without specific prior written permission.
*
* THIS SOFTWARE IS PROVIDED BY THE INSTITUTE AND CONTRIBUTORS ``AS IS'' AND
* ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
* ARE DISCLAIMED. IN NO EVENT SHALL THE INSTITUTE OR CONTRIBUTORS BE LIABLE
* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
* OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
* OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
* SUCH DAMAGE.
*
* This file is part of the Contiki operating system.
*
*/
/**
* \file
* A brief description of what this file is.
* \author
* Adam Dunkels <adam@sics.se>
*/
#include <stdio.h>
#include "dev/leds.h"
static unsigned char leds;
/*---------------------------------------------------------------------------*/
void
leds_arch_init(void)
{
leds = 0;
}
/*---------------------------------------------------------------------------*/
unsigned char
leds_arch_get(void)
{
return leds;
}
/*---------------------------------------------------------------------------*/
void
leds_arch_set(unsigned char l)
{
int i;
for(i = 0; i < 8 && ((1 << i) & LEDS_ALL); i++) {
if(((1 << i) & leds) && !((1 << i) & l)) {
printf("LED %d OFF\n", i);
} else if(!((1 << i) & leds) && ((1 << i) & l)) {
printf("LED %d ON\n", i);
}
}
leds = l;
}
/*---------------------------------------------------------------------------*/