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/***************************************************************************
* __________ __ ___.
* Open \______ \ ____ ____ | | _\_ |__ _______ ___
* Source | _// _ \_/ ___\| |/ /| __ \ / _ \ \/ /
* Jukebox | | ( <_> ) \___| < | \_\ ( <_> > < <
* Firmware |____|_ /\____/ \___ >__|_ \|___ /\____/__/\_ \
* \/ \/ \/ \/ \/
* $Id$
*
* Copyright (C) 2002 by Alan Korr
*
* This program is free software; you can redistribute it and/or
* modify it under the terms of the GNU General Public License
* as published by the Free Software Foundation; either version 2
* of the License, or (at your option) any later version.
*
* This software is distributed on an "AS IS" basis, WITHOUT WARRANTY OF ANY
* KIND, either express or implied.
*
****************************************************************************/
#include "config.h"
#include <stdbool.h>
#include "cpu.h"
#include "led.h"
#include "system.h"
#include "kernel.h"
#if (CONFIG_LED == LED_REAL)
void led(bool on)
{
if ( on )
{
or_b(0x40, &PBDRL);
}
else
{
and_b(~0x40, &PBDRL);
}
}
#elif (CONFIG_LED == LED_VIRTUAL) || defined(HAVE_REMOTE_LCD)
static bool current;
static long last_on; /* timestamp of switching off */
void led(bool on)
{
if (current && !on) /* switching off */
{
last_on = current_tick; /* remember for off delay */
}
current = on;
}
bool led_read(int delayticks) /* read by status bar update */
{
/* reading "off" is delayed by user-supplied monoflop value */
return (current || TIME_BEFORE(current_tick, last_on+delayticks));
}
#else
void led(bool on)
{
(void)on;
}
#endif /* CONFIG_LED, HAVE_REMOTE_LCD */
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