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Moved driver to 'drivers' subdir

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git-svn-id: svn://svn.rockbox.org/rockbox/trunk@189 a1c6a512-1295-4272-9138-f99709370657
This commit is contained in:
Björn Stenberg 2002-04-23 09:13:23 +00:00
parent 34f9482912
commit c6773e1436
16 changed files with 0 additions and 0 deletions
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70
firmware/drivers/led.c Normal file
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/***************************************************************************
* __________ __ ___.
* 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 <led.h>
#define turn_on() \
set_bit (LEDB,PBDR_ADDR+1)
#define turn_off() \
clear_bit (LEDB,PBDR_ADDR+1)
#define start_timer() \
set_bit (2,TSTR_ADDR)
#define stop_timer() \
clear_bit (2,TSTR_ADDR)
#define eoi(subinterrupt) \
clear_bit (subinterrupt,TSR2_ADDR)
#define set_volume(volume) \
GRA2 = volume & 0x7FFF
void led_set_volume (unsigned short volume)
{
volume <<= 10;
if (volume == 0)
led_turn_off ();
else if (volume == 0x8000)
led_turn_on ();
else
{
set_volume (volume);
start_timer ();
}
}
#pragma interrupt
void IMIA2 (void)
{
turn_off ();
eoi (0);
}
#pragma interrupt
void OVI2 (void)
{
turn_on ();
eoi (2);
}