contiki/platform/wismote/leds-arch.c

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2011-09-22 14:46:07 +00:00
/*
* Copyright (c) 2011, 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
* Leds arch specific file for the WiSMote platform
* \author
* Niclas Finne <nfi@sics.se>
* Joakim Eriksson <joakime@sics.se>
*/
#include "contiki.h"
#include "dev/leds.h"
/*---------------------------------------------------------------------------*/
void
leds_arch_init(void)
{
P2DIR |= BIT4;
P2OUT |= BIT4;
P5OUT |= BIT2;
P5DIR |= BIT2;
P8DIR |= BIT6;
P8OUT |= BIT6;
}
/*---------------------------------------------------------------------------*/
unsigned char
leds_arch_get(void)
{
return ((P2OUT & BIT4) ? 0 : LEDS_GREEN)
| ((P5OUT & BIT2) ? 0 : LEDS_YELLOW)
| ((P8OUT & BIT6) ? 0 : LEDS_RED);
}
/*---------------------------------------------------------------------------*/
void
leds_arch_set(unsigned char leds)
{
if(leds & LEDS_GREEN) {
P2OUT &= ~BIT4;
} else {
P2OUT |= BIT4;
}
if(leds & LEDS_YELLOW) {
P5OUT &= ~BIT2;
} else {
P5OUT |= BIT2;
}
if(leds & LEDS_RED) {
P8OUT &= ~BIT6;
} else {
P8OUT |= BIT6;
}
}
/*---------------------------------------------------------------------------*/