Contiki 2.6

leds-arch.c

Go to the documentation of this file.
00001 /*
00002  * Copyright (c) 2010, STMicroelectronics.
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
00011  *    copyright notice, this list of conditions and the following
00012  *    disclaimer in the documentation and/or other materials provided
00013  *    with the distribution.
00014  * 3. The name of the author may not be used to endorse or promote
00015  *    products derived from this software without specific prior
00016  *    written permission.
00017  *
00018  * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS
00019  * OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
00020  * WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
00021  * ARE DISCLAIMED.  IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY
00022  * DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
00023  * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE
00024  * GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
00025  * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY,
00026  * WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING
00027  * NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
00028  * SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
00029  *
00030  * This file is part of the Contiki OS
00031  *
00032  * $Id: leds-arch.c,v 1.1 2010/10/25 09:03:38 salvopitru Exp $
00033  */
00034 /*---------------------------------------------------------------------------*/
00035 /**
00036 * \file
00037 *                       Leds.
00038 * \author
00039 *                       Salvatore Pitrulli <salvopitru@users.sourceforge.net>
00040 */
00041 /*---------------------------------------------------------------------------*/
00042 
00043 #include PLATFORM_HEADER
00044 #include BOARD_HEADER
00045 #include "contiki-conf.h"
00046 #include "dev/leds.h"
00047 #include "hal/micro/micro-common.h"
00048 #include "hal/micro/cortexm3/micro-common.h"
00049 
00050 #define LEDS_PORT *((volatile int32u *)(GPIO_PxOUT_BASE+(GPIO_Px_OFFSET*(LEDS_CONF_PORT/8))))
00051 
00052 /*---------------------------------------------------------------------------*/
00053 void
00054 leds_arch_init(void)
00055 {   
00056   halGpioConfig(PORTx_PIN(LEDS_CONF_PORT,LEDS_CONF_RED_PIN),GPIOCFG_OUT);
00057   halGpioConfig(PORTx_PIN(LEDS_CONF_PORT,LEDS_CONF_GREEN_PIN),GPIOCFG_OUT);
00058   
00059   LEDS_PORT |= (LEDS_CONF_RED | LEDS_CONF_GREEN);
00060 }
00061 /*---------------------------------------------------------------------------*/
00062 unsigned char
00063 leds_arch_get(void)
00064 {
00065     return ((LEDS_PORT & LEDS_CONF_RED) ? 0 : LEDS_RED)
00066     | ((LEDS_PORT & LEDS_CONF_GREEN) ? 0 : LEDS_GREEN);
00067 }
00068 /*---------------------------------------------------------------------------*/
00069 void
00070 leds_arch_set(unsigned char leds)
00071 {
00072     
00073   LEDS_PORT = (LEDS_PORT & ~(LEDS_CONF_RED|LEDS_CONF_GREEN))
00074     | ((leds & LEDS_RED) ? 0 : LEDS_CONF_RED)
00075     | ((leds & LEDS_GREEN) ? 0 : LEDS_CONF_GREEN);
00076  
00077 }
00078 /*---------------------------------------------------------------------------*/