68 lines
2.8 KiB
C
68 lines
2.8 KiB
C
/*
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* Copyright (c) 2009, University of Colombo School of Computing
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* All rights reserved.
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions
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* are met:
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* 1. Redistributions of source code must retain the above copyright
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* notice, this list of conditions and the following disclaimer.
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* 2. Redistributions in binary form must reproduce the above copyright
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* notice, this list of conditions and the following disclaimer in the
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* documentation and/or other materials provided with the distribution.
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* 3. Neither the name of the Institute nor the names of its contributors
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* may be used to endorse or promote products derived from this software
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* without specific prior written permission.
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*
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* THIS SOFTWARE IS PROVIDED BY THE INSTITUTE AND CONTRIBUTORS ``AS IS'' AND
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* ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
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* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
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* ARE DISCLAIMED. IN NO EVENT SHALL THE INSTITUTE OR CONTRIBUTORS BE LIABLE
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* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
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* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
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* OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
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* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
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* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
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* OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
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* SUCH DAMAGE.
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*
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* This file is part of the Contiki operating system.
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*
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* @(#)$$
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*/
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/**
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* \file
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* LED architecture of the MICAz port.
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* \author
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* Kasun Hewage <kasun.ch@gmail.com>
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*/
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#include "contiki-conf.h"
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#include "dev/leds.h"
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#include <avr/io.h>
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/*---------------------------------------------------------------------------*/
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void leds_arch_init(void)
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{
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LEDS_PxDIR |= (LEDS_CONF_RED | LEDS_CONF_GREEN | LEDS_CONF_YELLOW);
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LEDS_PxOUT |= (LEDS_CONF_RED | LEDS_CONF_GREEN | LEDS_CONF_YELLOW);
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}
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/*---------------------------------------------------------------------------*/
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unsigned char leds_arch_get(void)
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{
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return ((LEDS_PxOUT & LEDS_CONF_RED) ? 0 : LEDS_RED)
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| ((LEDS_PxOUT & LEDS_CONF_GREEN) ? 0 : LEDS_GREEN)
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| ((LEDS_PxOUT & LEDS_CONF_YELLOW) ? 0 : LEDS_YELLOW);
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}
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/*---------------------------------------------------------------------------*/
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void leds_arch_set(unsigned char leds)
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{
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LEDS_PxOUT = (LEDS_PxOUT & ~(LEDS_CONF_RED|LEDS_CONF_GREEN|LEDS_CONF_YELLOW))
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| ((leds & LEDS_RED) ? 0 : LEDS_CONF_RED)
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| ((leds & LEDS_GREEN) ? 0 : LEDS_CONF_GREEN)
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| ((leds & LEDS_YELLOW) ? 0 : LEDS_CONF_YELLOW);
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}
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/*---------------------------------------------------------------------------*/
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