osd-contiki/platform/exp5438/leds-arch.c

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/*
* 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 Configurable Sensor Network Application
* Architecture for sensor nodes running the Contiki operating system.
*
*
* -----------------------------------------------------------------
*
* Author : Adam Dunkels, Joakim Eriksson, Niclas Finne
* Created : 2005-11-03
* Updated : $Date: 2006/06/17 22:41:21 $
* $Revision: 1.1 $
*/
#include "contiki-conf.h"
#include "dev/leds.h"
/* LED ports */
#define LEDS_CONF_RED 0x01
#define LEDS_CONF_GREEN 0x02
#define LEDS_CONF_YELLOW 0x02
/*---------------------------------------------------------------------------*/
void
leds_arch_init(void)
{
/* only red and green for now */
P1DIR |= LEDS_CONF_RED;
P1DIR |= LEDS_CONF_GREEN;
}
/*---------------------------------------------------------------------------*/
unsigned char
leds_arch_get(void)
{
return ((P1OUT & LEDS_CONF_RED) ? 0 : LEDS_RED)
| ((P1OUT & LEDS_CONF_GREEN) ? 0 : LEDS_GREEN);
}
/*---------------------------------------------------------------------------*/
void
leds_arch_set(unsigned char leds)
{
P1OUT = (P1OUT & ~LEDS_CONF_RED) | ((leds & LEDS_RED) ? LEDS_CONF_RED : 0);
P1OUT = (P1OUT & ~LEDS_CONF_GREEN) |
((leds & LEDS_GREEN) ? LEDS_CONF_GREEN : 0);
}
/*---------------------------------------------------------------------------*/