main.c

ARM920T SamsungS3C2410平台下 LED测试程序 通过烧入Flash来执行引导程序

/*	#include "BootLoadDate.h"	*/

#define InterMem(offset)			((unsigned long *)( 0x56000000 + (offset)  ) )

void LED_RUN(void);



int main(void)
{
	/**** PROGRAM OVER */
	while(1)
	{
		LED_RUN();    	
	}
}


void LED_RUN(void)
{
	int i;
	
	*InterMem(0x50) = 0x000055FF;	/* 0101-0101-1111-1111  */	/* GPF4,5,6,7 is output	*/
	
	while(1)
	{
 		*InterMem(0x54) = 0x70;	

 		for(i=0;i<0x2ff00;i++)     ;
 	
 		*InterMem(0x54) = 0xF0;		/* LED4 is off */
 		
 		for(i=0;i<0x2ff00;i++)     ;
	}
}