Contiki 2.6

leds-arch.c

00001 /*
00002  * Copyright (c) 2010, Mariano Alvira <mar@devl.org> and other contributors
00003  * to the MC1322x project (http://mc1322x.devl.org) and Contiki.
00004  *
00005  * All rights reserved.
00006  *
00007  * Redistribution and use in source and binary forms, with or without
00008  * modification, are permitted provided that the following conditions
00009  * are met:
00010  * 1. Redistributions of source code must retain the above copyright
00011  *    notice, this list of conditions and the following disclaimer.
00012  * 2. Redistributions in binary form must reproduce the above copyright
00013  *    notice, this list of conditions and the following disclaimer in the
00014  *    documentation and/or other materials provided with the distribution.
00015  * 3. Neither the name of the Institute nor the names of its contributors
00016  *    may be used to endorse or promote products derived from this software
00017  *    without specific prior written permission.
00018  *
00019  * THIS SOFTWARE IS PROVIDED BY THE INSTITUTE AND CONTRIBUTORS ``AS IS'' AND
00020  * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
00021  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
00022  * ARE DISCLAIMED.  IN NO EVENT SHALL THE INSTITUTE OR CONTRIBUTORS BE LIABLE
00023  * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
00024  * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
00025  * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
00026  * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
00027  * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
00028  * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
00029  * SUCH DAMAGE.
00030  *
00031  * This file is part of the Contiki OS.
00032  *
00033  *
00034  */
00035 
00036 #include "contiki-conf.h"
00037 #include "dev/leds.h"
00038 #include "mc1322x.h"
00039 #include "board.h"
00040 
00041 #define LED_ARCH_RED   GPIO_LED_RED
00042 #define LED_ARCH_GREEN GPIO_LED_GREEN
00043 #define LED_ARCH_BLUE  GPIO_LED_BLUE
00044 
00045 void leds_arch_init(void)
00046 {
00047         /* set gpio func_sel to gpio (3) */
00048         GPIO->FUNC_SEL.LED_ARCH_RED = 3;
00049         GPIO->FUNC_SEL.LED_ARCH_GREEN = 3;
00050         GPIO->FUNC_SEL.LED_ARCH_BLUE = 3;
00051 
00052         /* set led gpios to output */
00053         GPIO->PAD_DIR.LED_ARCH_RED = 1;
00054         GPIO->PAD_DIR.LED_ARCH_GREEN = 1;
00055         GPIO->PAD_DIR.LED_ARCH_BLUE = 1;
00056 }
00057 
00058 unsigned char leds_arch_get(void)
00059 {
00060 
00061         return ((GPIO->DATA.LED_ARCH_RED) ? 0 : LEDS_RED)
00062                 | ((GPIO->DATA.LED_ARCH_GREEN) ? 0 : LEDS_GREEN)
00063                 | ((GPIO->DATA.LED_ARCH_BLUE) ? 0 : LEDS_BLUE);
00064 
00065 }
00066 
00067 void leds_arch_set(unsigned char leds)
00068 {
00069         if(leds & LEDS_RED)   { GPIO->DATA.LED_ARCH_RED = 1;   } else { gpio_reset(LED_ARCH_RED);   } 
00070         if(leds & LEDS_GREEN) { gpio_set(LED_ARCH_GREEN); } else { gpio_reset(LED_ARCH_GREEN); } 
00071         if(leds & LEDS_BLUE)  { gpio_set(LED_ARCH_BLUE);  } else { gpio_reset(LED_ARCH_BLUE);  }  
00072 }
00073