count.c

1S和10S间隔输出的调试程序 有指示灯和光偶输出控制

/*********************

*********************/
#include <reg51.h>
#define uchar unsigned char 
#define uint  unsigned int
/*******************************************/
sbit LED=P1^3;
sbit K_ZHI=P1^2;
uint  J_shu;
uchar J1_shu;
/*******************************************/
void clock_initial() reentrant using 0
{
   TR0=0; 
   TH0=0Xfc;
   TL0=0X18;  //1
   TR0=1;
}

void main(void)
{
  P1=0XFF;
  LED=1;
  K_ZHI=1;

  J_shu=0x00;
  J1_shu=10;
  TMOD=0X01;
  clock_initial();
  IT0=1;
  ET0=1;
  EA=1;
  
  while(1)
  {;}
}
/*******************************************/
void time0() interrupt 1 using 0
{
 clock_initial();
 J1_shu--;
if(J1_shu==0)
{
 J1_shu=10;
 J_shu++;
 if((J_shu>=0)&&(J_shu<300))
   {
      K_ZHI=1;
	  LED=1;
   }
     else if((J_shu>=300)&&(J_shu<350))
   {
         K_ZHI=0;
	     LED=0;
   }
  else if(J_shu>=350)
   {
      J_shu=0;
   }
 }
}