led.c

来自「针对TI公司的DSK6713所发展的IO(LED)范例」· C语言 代码 · 共 29 行

#include <stdio.h>
//LED.c

void delay(unsigned int del);  
#define LED_PORT	*(unsigned volatile int*) 0x90080000 

void main()
{
	int i =0;
	puts("USER LED Test!\n");
	while(1)
	{
	for(i=0x00;i<=0x0F;i=i+0x01) //bit0-3   	
	  { 
	    LED_PORT = i; 	 //LED1~4 Outpot display		
	    delay(12000000); //Delay    		
	  }  
	}
}

void delay(unsigned int del)  //dalay
{  	     
  	  while(del>0) 
  	  del--;
}