ded6894e63
git-svn-id: svn://svn.rockbox.org/rockbox/trunk@5374 a1c6a512-1295-4272-9138-f99709370657
68 lines
1.4 KiB
C
68 lines
1.4 KiB
C
/***************************************************************************
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* __________ __ ___.
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* Open \______ \ ____ ____ | | _\_ |__ _______ ___
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* Source | _// _ \_/ ___\| |/ /| __ \ / _ \ \/ /
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* Jukebox | | ( <_> ) \___| < | \_\ ( <_> > < <
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* Firmware |____|_ /\____/ \___ >__|_ \|___ /\____/__/\_ \
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* \/ \/ \/ \/ \/
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* $Id$
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*
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* Copyright (C) 2002 by Alan Korr
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*
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* All files in this archive are subject to the GNU General Public License.
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* See the file COPYING in the source tree root for full license agreement.
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*
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* This software is distributed on an "AS IS" basis, WITHOUT WARRANTY OF ANY
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* KIND, either express or implied.
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*
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****************************************************************************/
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#include "config.h"
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#include <stdbool.h>
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#include "cpu.h"
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#include "led.h"
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#include "system.h"
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#ifdef HAVE_LED
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static bool xor;
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static bool current;
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void led(bool on)
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{
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current = on;
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if ( on ^ xor )
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{
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or_b(0x40, &PBDRL);
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}
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else
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{
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and_b(~0x40, &PBDRL);
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}
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}
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void invert_led(bool on)
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{
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if ( on )
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{
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xor = 1;
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}
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else
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{
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xor = 0;
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}
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led(current);
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}
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#else /* no LED, just dummies */
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void led(bool on)
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{
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(void)on;
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}
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void invert_led(bool on)
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{
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(void)on;
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}
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#endif // #ifdef HAVE_LED
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