nes-proj/cpu/mc1322x/leds-arch.c

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/*
* 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.
*
* $Id: leds-arch.c,v 1.1 2010/06/09 14:43:22 maralvira Exp $
*/
#include "contiki-conf.h"
#include "dev/leds.h"
#include "mc1322x.h"
#include "board.h"
#define LED_ARCH_RED (1ULL << LED_RED)
#define LED_ARCH_GREEN (1ULL << LED_GREEN)
#define LED_ARCH_BLUE (1ULL << LED_BLUE)
#define LED_ARCH_YELLOW (LED_ARCH_RED | LED_ARCH_GREEN )
#define LED_ARCH_PURPLE (LED_ARCH_RED | LED_ARCH_BLUE)
#define LED_ARCH_CYAN ( LED_ARCH_GREEN | LED_ARCH_BLUE)
#define LED_ARCH_WHITE (LED_ARCH_RED | LED_ARCH_GREEN | LED_ARCH_BLUE)
/*FIXME: this is broken --- don't set all of the GPIO direction */
void leds_arch_init(void)
{
gpio_pad_dir(LED_ARCH_WHITE);
}
unsigned char leds_arch_get(void)
{
uint64_t led = (((uint64_t)*GPIO_DATA1) << 32) | *GPIO_DATA0;
return ((led & LED_ARCH_RED) ? 0 : LEDS_RED)
| ((led & LED_ARCH_GREEN) ? 0 : LEDS_GREEN)
| ((led & LED_ARCH_BLUE) ? 0 : LEDS_BLUE)
| ((led & LED_ARCH_YELLOW) ? 0 : LEDS_YELLOW);
}
/*FIXME: this is broken --- it hits the entire GPIO data register and breaks the button sensor */
void leds_arch_set(unsigned char leds)
{
uint64_t led;
led = (led & ~(LED_ARCH_RED|LED_ARCH_GREEN|LED_ARCH_YELLOW|LED_ARCH_BLUE))
| ((leds & LEDS_RED) ? LED_ARCH_RED : 0)
| ((leds & LEDS_GREEN) ? LED_ARCH_GREEN : 0)
| ((leds & LEDS_BLUE) ? LED_ARCH_BLUE : 0)
| ((leds & LEDS_YELLOW) ? LED_ARCH_YELLOW : 0);
gpio_data(led);
}