另类中断.c

来自「通过C语言实现的基于51单片机的几个典型例子」· C语言 代码 · 共 30 行

#include<reg51.h>
#define uchar unsigned char
   sbit P0_0=P0^0;
   sbit P0_7=P0^7;
   void delayer (char);
   void main(void)
 {
   P0_0=0;
	{ 
	  while(P0_7==1)
	   { 
	     P0_0=~ P0_0;
		 void delayer(char);
		 P0_0=~ P0_0;
          void delayer(char);
		 P0_0=~ P0_0;
		  void delayer(char);
		 P0_0=~ P0_0;
	   }
	 }
}
   void delayer (char k,l)
	 {
	   unsigned char k,l;
	     for(l=0;l<=250;l++)
		  for(k=0;k<=250;k++)
	       return0;
	  }