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xburst-tools/qiboot/src/blink_led.c

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/*
* (C) Copyright 2007 OpenMoko, Inc.
* Author: xiangfu liu <xiangfu@openmoko.org>
*
* Configuation settings for the FIC Neo GTA02 Linux GSM phone
*
* 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 program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program; if not, write to the Free Software
* Foundation, Inc., 59 Temple Place, Suite 330, Boston,
* MA 02111-1307 USA
*/
#include "blink_led.h"
#define GPBCON (*(volatile unsigned *)0x56000010)
#define GPBDAT (*(volatile unsigned *)0x56000014)
#define GPBDW (*(volatile unsigned *)0x56000018)
#define LED3_ON() (GPBDAT &= ~(0x1))
#define LED4_ON() (GPBDAT &= ~(0x2))
#define LED3_OFF() (GPBDAT |= (0x1))
#define LED4_OFF() (GPBDAT |= (0x2))
int delay(int time)
{
int i=0;
for(i=0;i<time;i++);
return 0;
}
int blink_led()
{
GPBCON = 0x5;
GPBDW = 0xffff;
while(1)
{
LED3_ON();
delay(0xfffff);
LED3_OFF() ;
delay(0xfffff);
LED4_ON();
delay(0xfffff);
LED4_OFF();
delay(0xfffff);
}
return 0;
}