nes-proj/platform/cc2420dbk/dev/qleds.c

120 lines
3.3 KiB
C

/*
* Copyright (c) 2007, Swedish Institute of Computer Science
* 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.
*
* @(#)$Id: qleds.c,v 1.1 2007/02/02 14:07:34 bg- Exp $
*/
#include "contiki.h"
#include "dev/leds.h"
#include <avr/io.h>
void
leds_init(void)
{
#ifdef CB_GATEWAY
DDRE |= LEDS_CONF_GREEN | LEDS_CONF_YELLOW;
PORTE |= LEDS_CONF_GREEN | LEDS_CONF_YELLOW; /* LEDS off */
#else
DDRB |= LEDS_CONF_ORANGE | LEDS_CONF_GREEN;
DDRE |= LEDS_CONF_RED | LEDS_CONF_YELLOW;
PORTB &= ~(LEDS_CONF_ORANGE | LEDS_CONF_GREEN);
PORTE &= ~(LEDS_CONF_RED | LEDS_CONF_YELLOW);
#endif
}
void
leds_on(unsigned char leds)
{
#ifdef CB_GATEWAY
if (leds & LEDS_GREEN)
PORTE &= ~LEDS_CONF_GREEN;
if (leds & LEDS_YELLOW)
PORTE &= ~LEDS_CONF_YELLOW;
#else
if (leds & LEDS_ORANGE)
PORTB |= LEDS_CONF_ORANGE;
if (leds & LEDS_GREEN)
PORTB |= LEDS_CONF_GREEN;
if (leds & LEDS_RED)
PORTE |= LEDS_CONF_RED;
if (leds & LEDS_YELLOW)
PORTE |= LEDS_CONF_YELLOW;
#endif
}
void
leds_off(unsigned char leds)
{
#ifdef CB_GATEWAY
if (leds & LEDS_GREEN)
PORTE |= LEDS_CONF_GREEN;
if (leds & LEDS_YELLOW)
PORTE |= LEDS_CONF_YELLOW;
#else
if (leds & LEDS_ORANGE)
PORTB &= ~LEDS_CONF_ORANGE;
if (leds & LEDS_GREEN)
PORTB &= ~LEDS_CONF_GREEN;
if (leds & LEDS_RED)
PORTE &= ~LEDS_CONF_RED;
if (leds & LEDS_YELLOW)
PORTE &= ~LEDS_CONF_YELLOW;
#endif
}
void
leds_toggle(unsigned char leds)
{
/*
* Synonym: void leds_invert(unsigned char leds);
*/
asm(".global leds_invert\nleds_invert:\n");
#ifdef CB_GATEWAY
if (leds & LEDS_GREEN)
PORTE ^= ~LEDS_CONF_GREEN;
if (leds & LEDS_YELLOW)
PORTE ^= ~LEDS_CONF_YELLOW;
#else
if (leds & LEDS_ORANGE)
PORTB ^= LEDS_CONF_ORANGE;
if (leds & LEDS_GREEN)
PORTB ^= LEDS_CONF_GREEN;
if (leds & LEDS_RED)
PORTE ^= LEDS_CONF_RED;
if (leds & LEDS_YELLOW)
PORTE ^= LEDS_CONF_YELLOW;
#endif
}