Contiki 2.6
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00001 /* 00002 * Copyright (c) 2009, University of Colombo School of Computing 00003 * All rights reserved. 00004 * 00005 * Redistribution and use in source and binary forms, with or without 00006 * modification, are permitted provided that the following conditions 00007 * are met: 00008 * 1. Redistributions of source code must retain the above copyright 00009 * notice, this list of conditions and the following disclaimer. 00010 * 2. Redistributions in binary form must reproduce the above copyright 00011 * notice, this list of conditions and the following disclaimer in the 00012 * documentation and/or other materials provided with the distribution. 00013 * 3. Neither the name of the Institute nor the names of its contributors 00014 * may be used to endorse or promote products derived from this software 00015 * without specific prior written permission. 00016 * 00017 * THIS SOFTWARE IS PROVIDED BY THE INSTITUTE AND CONTRIBUTORS ``AS IS'' AND 00018 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 00019 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 00020 * ARE DISCLAIMED. IN NO EVENT SHALL THE INSTITUTE OR CONTRIBUTORS BE LIABLE 00021 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 00022 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 00023 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 00024 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 00025 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 00026 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 00027 * SUCH DAMAGE. 00028 * 00029 * This file is part of the Contiki operating system. 00030 * 00031 * @(#)$$ 00032 */ 00033 00034 /** 00035 * \file 00036 * LED architecture of the MICAz port. 00037 * \author 00038 * Kasun Hewage <kasun.ch@gmail.com> 00039 */ 00040 00041 #include "contiki-conf.h" 00042 #include "dev/leds.h" 00043 #include <avr/io.h> 00044 00045 00046 /*---------------------------------------------------------------------------*/ 00047 void leds_arch_init(void) 00048 { 00049 LEDS_PxDIR |= (LEDS_CONF_RED | LEDS_CONF_GREEN | LEDS_CONF_YELLOW); 00050 LEDS_PxOUT |= (LEDS_CONF_RED | LEDS_CONF_GREEN | LEDS_CONF_YELLOW); 00051 } 00052 /*---------------------------------------------------------------------------*/ 00053 unsigned char leds_arch_get(void) 00054 { 00055 return ((LEDS_PxOUT & LEDS_CONF_RED) ? 0 : LEDS_RED) 00056 | ((LEDS_PxOUT & LEDS_CONF_GREEN) ? 0 : LEDS_GREEN) 00057 | ((LEDS_PxOUT & LEDS_CONF_YELLOW) ? 0 : LEDS_YELLOW); 00058 } 00059 /*---------------------------------------------------------------------------*/ 00060 void leds_arch_set(unsigned char leds) 00061 { 00062 LEDS_PxOUT = (LEDS_PxOUT & ~(LEDS_CONF_RED|LEDS_CONF_GREEN|LEDS_CONF_YELLOW)) 00063 | ((leds & LEDS_RED) ? 0 : LEDS_CONF_RED) 00064 | ((leds & LEDS_GREEN) ? 0 : LEDS_CONF_GREEN) 00065 | ((leds & LEDS_YELLOW) ? 0 : LEDS_CONF_YELLOW); 00066 } 00067 /*---------------------------------------------------------------------------*/