nes-proj/cpu/mc1322x/leds-arch.c
2011-02-17 14:36:55 -05:00

74 lines
2.7 KiB
C

/*
* Copyright (c) 2010, Mariano Alvira <mar@devl.org> and other contributors
* to the MC1322x project (http://mc1322x.devl.org) and Contiki.
*
* 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 OS.
*
*
*/
#include "contiki-conf.h"
#include "dev/leds.h"
#include "mc1322x.h"
#include "board.h"
#define LED_ARCH_RED GPIO_LED_RED
#define LED_ARCH_GREEN GPIO_LED_GREEN
#define LED_ARCH_BLUE GPIO_LED_BLUE
void leds_arch_init(void)
{
/* set gpio func_sel to gpio (3) */
GPIO->FUNC_SEL.LED_ARCH_RED = 3;
GPIO->FUNC_SEL.LED_ARCH_GREEN = 3;
GPIO->FUNC_SEL.LED_ARCH_BLUE = 3;
/* set led gpios to output */
GPIO->PAD_DIR.LED_ARCH_RED = 1;
GPIO->PAD_DIR.LED_ARCH_GREEN = 1;
GPIO->PAD_DIR.LED_ARCH_BLUE = 1;
}
unsigned char leds_arch_get(void)
{
return ((GPIO->DATA.LED_ARCH_RED) ? 0 : LEDS_RED)
| ((GPIO->DATA.LED_ARCH_GREEN) ? 0 : LEDS_GREEN)
| ((GPIO->DATA.LED_ARCH_BLUE) ? 0 : LEDS_BLUE);
}
void leds_arch_set(unsigned char leds)
{
if(leds & LEDS_RED) { GPIO->DATA.LED_ARCH_RED = 1; } else { gpio_reset(LED_ARCH_RED); }
if(leds & LEDS_GREEN) { gpio_set(LED_ARCH_GREEN); } else { gpio_reset(LED_ARCH_GREEN); }
if(leds & LEDS_BLUE) { gpio_set(LED_ARCH_BLUE); } else { gpio_reset(LED_ARCH_BLUE); }
}