1a1abf25f4
git-svn-id: svn://svn.rockbox.org/rockbox/trunk@8004 a1c6a512-1295-4272-9138-f99709370657
72 lines
1.7 KiB
C
72 lines
1.7 KiB
C
/***************************************************************************
|
|
* __________ __ ___.
|
|
* Open \______ \ ____ ____ | | _\_ |__ _______ ___
|
|
* Source | _// _ \_/ ___\| |/ /| __ \ / _ \ \/ /
|
|
* Jukebox | | ( <_> ) \___| < | \_\ ( <_> > < <
|
|
* Firmware |____|_ /\____/ \___ >__|_ \|___ /\____/__/\_ \
|
|
* \/ \/ \/ \/ \/
|
|
* $Id$
|
|
*
|
|
* Copyright (C) 2002 by Alan Korr
|
|
*
|
|
* All files in this archive are subject to the GNU General Public License.
|
|
* See the file COPYING in the source tree root for full license agreement.
|
|
*
|
|
* 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"
|
|
|
|
static bool disk_led_status;
|
|
static long last_on; /* timestamp of switching off */
|
|
|
|
|
|
|
|
void disk_led_on(void)
|
|
{
|
|
disk_led_status=true;
|
|
#if CONFIG_LED == LED_REAL
|
|
#ifdef GMINI_ARCH
|
|
P2 |= 1;
|
|
#else
|
|
or_b(0x40, &PBDRL);
|
|
#endif
|
|
#endif
|
|
}
|
|
|
|
void disk_led_off(void)
|
|
{
|
|
if(disk_led_status)
|
|
{
|
|
last_on = current_tick;/* remember for off delay */
|
|
disk_led_status=false;
|
|
#if CONFIG_LED == LED_REAL
|
|
#ifdef GMINI_ARCH
|
|
P2 &= ~1;
|
|
#else
|
|
and_b(~0x40, &PBDRL);
|
|
#endif
|
|
#endif
|
|
}
|
|
}
|
|
|
|
void led(bool on)
|
|
{
|
|
if ( on )
|
|
disk_led_on();
|
|
else
|
|
disk_led_off();
|
|
}
|
|
|
|
bool led_read(int delayticks)
|
|
{
|
|
/* reading "off" is delayed by user-supplied monoflop value */
|
|
return (disk_led_status ||
|
|
TIME_BEFORE(current_tick, last_on+delayticks));
|
|
}
|