67 lines
2 KiB
C
67 lines
2 KiB
C
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/***************************************************************************
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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) 2009 by Bob Cousins
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*
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* This program is free software; you can redistribute it and/or
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* modify it under the terms of the GNU General Public License
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* as published by the Free Software Foundation; either version 2
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* of the License, or (at your option) any later version.
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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 "cpu.h"
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#include "kernel.h"
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/* LED functions for debug */
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void led_init (void)
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{
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S3C2440_GPIO_CONFIG (GPBCON, 5, GPIO_OUTPUT);
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S3C2440_GPIO_CONFIG (GPBCON, 6, GPIO_OUTPUT);
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S3C2440_GPIO_CONFIG (GPBCON, 7, GPIO_OUTPUT);
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S3C2440_GPIO_CONFIG (GPBCON, 8, GPIO_OUTPUT);
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S3C2440_GPIO_PULLUP (GPBUP, 5, GPIO_PULLUP_DISABLE);
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S3C2440_GPIO_PULLUP (GPBUP, 6, GPIO_PULLUP_DISABLE);
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S3C2440_GPIO_PULLUP (GPBUP, 7, GPIO_PULLUP_DISABLE);
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S3C2440_GPIO_PULLUP (GPBUP, 8, GPIO_PULLUP_DISABLE);
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}
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/* Turn on one or more LEDS */
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void set_leds (int led_mask)
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{
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GPBDAT &= ~led_mask;
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}
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/* Turn off one or more LEDS */
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void clear_leds (int led_mask)
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{
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GPBDAT |= led_mask;
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}
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/* Alternate flash pattern1 and pattern2 */
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/* Never returns */
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void led_flash (int led_pattern1, int led_pattern2)
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{
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while (1)
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{
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set_leds (led_pattern1);
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sleep(HZ/2);
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clear_leds (led_pattern1);
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set_leds(led_pattern2);
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sleep(HZ/2);
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clear_leds (led_pattern2);
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}
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}
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