/* * Copyright (c) 2009, University of Colombo School of Computing * 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 * LED architecture of the MICAz port. * \author * Kasun Hewage <kasun.ch@gmail.com> */ #include "contiki-conf.h" #include "dev/leds.h" #include <avr/io.h> /*---------------------------------------------------------------------------*/ void leds_arch_init(void) { LEDS_PxDIR |= (LEDS_CONF_RED | LEDS_CONF_GREEN | LEDS_CONF_YELLOW); LEDS_PxOUT |= (LEDS_CONF_RED | LEDS_CONF_GREEN | LEDS_CONF_YELLOW); } /*---------------------------------------------------------------------------*/ unsigned char leds_arch_get(void) { return ((LEDS_PxOUT & LEDS_CONF_RED) ? 0 : LEDS_RED) | ((LEDS_PxOUT & LEDS_CONF_GREEN) ? 0 : LEDS_GREEN) | ((LEDS_PxOUT & LEDS_CONF_YELLOW) ? 0 : LEDS_YELLOW); } /*---------------------------------------------------------------------------*/ void leds_arch_set(unsigned char leds) { LEDS_PxOUT = (LEDS_PxOUT & ~(LEDS_CONF_RED|LEDS_CONF_GREEN|LEDS_CONF_YELLOW)) | ((leds & LEDS_RED) ? 0 : LEDS_CONF_RED) | ((leds & LEDS_GREEN) ? 0 : LEDS_CONF_GREEN) | ((leds & LEDS_YELLOW) ? 0 : LEDS_CONF_YELLOW); } /*---------------------------------------------------------------------------*/