rockbox/firmware/target/arm/s3c2440/mini2440/led-mini2440.c
Bertrik Sikken 451aa86244 Various minor cleanups for mini2440
git-svn-id: svn://svn.rockbox.org/rockbox/trunk@27645 a1c6a512-1295-4272-9138-f99709370657
2010-08-01 08:56:15 +00:00

67 lines
2 KiB
C

/***************************************************************************
* __________ __ ___.
* Open \______ \ ____ ____ | | _\_ |__ _______ ___
* Source | _// _ \_/ ___\| |/ /| __ \ / _ \ \/ /
* Jukebox | | ( <_> ) \___| < | \_\ ( <_> > < <
* Firmware |____|_ /\____/ \___ >__|_ \|___ /\____/__/\_ \
* \/ \/ \/ \/ \/
* $Id$
*
* Copyright (C) 2009 by Bob Cousins
*
* 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 "cpu.h"
#include "kernel.h"
#include "led-mini2440.h"
/* LED functions for debug */
void led_init (void)
{
S3C2440_GPIO_CONFIG (GPBCON, 5, GPIO_OUTPUT);
S3C2440_GPIO_CONFIG (GPBCON, 6, GPIO_OUTPUT);
S3C2440_GPIO_CONFIG (GPBCON, 7, GPIO_OUTPUT);
S3C2440_GPIO_CONFIG (GPBCON, 8, GPIO_OUTPUT);
S3C2440_GPIO_PULLUP (GPBUP, 5, GPIO_PULLUP_DISABLE);
S3C2440_GPIO_PULLUP (GPBUP, 6, GPIO_PULLUP_DISABLE);
S3C2440_GPIO_PULLUP (GPBUP, 7, GPIO_PULLUP_DISABLE);
S3C2440_GPIO_PULLUP (GPBUP, 8, GPIO_PULLUP_DISABLE);
}
/* Turn on one or more LEDS */
void set_leds (int led_mask)
{
GPBDAT &= ~led_mask;
}
/* Turn off one or more LEDS */
void clear_leds (int led_mask)
{
GPBDAT |= led_mask;
}
/* Alternate flash pattern1 and pattern2 */
/* Never returns */
void led_flash (int led_pattern1, int led_pattern2)
{
while (1)
{
set_leds (led_pattern1);
sleep(HZ/2);
clear_leds (led_pattern1);
set_leds(led_pattern2);
sleep(HZ/2);
clear_leds (led_pattern2);
}
}