Contiki 2.6

leds-arch.c

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00001 /*
00002  * Copyright (c) 2011, Swedish Institute of Computer Science.
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  * \file
00035  *         Leds arch specific file for the WiSMote platform
00036  * \author
00037  *         Niclas Finne <nfi@sics.se>
00038  *         Joakim Eriksson <joakime@sics.se>
00039  */
00040 
00041 #include "contiki.h"
00042 #include "dev/leds.h"
00043 
00044 /*---------------------------------------------------------------------------*/
00045 void
00046 leds_arch_init(void)
00047 {
00048   P2DIR |= BIT4;
00049   P2OUT |= BIT4;
00050   P5OUT |= BIT2;
00051   P5DIR |= BIT2;
00052   P8DIR |= BIT6;
00053   P8OUT |= BIT6;
00054 }
00055 /*---------------------------------------------------------------------------*/
00056 unsigned char
00057 leds_arch_get(void)
00058 {
00059   return ((P2OUT & BIT4) ? 0 : LEDS_GREEN)
00060     | ((P5OUT & BIT2) ? 0 : LEDS_YELLOW)
00061     | ((P8OUT & BIT6) ? 0 : LEDS_RED);
00062 }
00063 /*---------------------------------------------------------------------------*/
00064 void
00065 leds_arch_set(unsigned char leds)
00066 {
00067   if(leds & LEDS_GREEN) {
00068     P2OUT &= ~BIT4;
00069   } else {
00070     P2OUT |= BIT4;
00071   }
00072   if(leds & LEDS_YELLOW) {
00073     P5OUT &= ~BIT2;
00074   } else {
00075     P5OUT |= BIT2;
00076   }
00077   if(leds & LEDS_RED) {
00078     P8OUT &= ~BIT6;
00079   } else {
00080     P8OUT |= BIT6;
00081   }
00082 }
00083 /*---------------------------------------------------------------------------*/