red.c

ZLG DP-668开发板全部程序

#include "reg66x.h"

sbit BUZZ=P1^3;
sbit RED_OPT=P1^4;
sbit RED_REC=P1^5;

void delay(unsigned char time)
{
  unsigned char i,j;
  for(i=0;i<time;i++)
    for(j=0;j<250;j++);
}
main()
{
  TMOD=0X21;
  TH0=-2000/256;
  TL0=-2000%256;
  TH1=0X8D;
  TL1=0X8D;
  //TR1=1;
  EA=1;
  ET0=1;
  RED_OPT=0;
  ET1=1;
  while(1)
  {
    if(RED_REC==0)
    {
      TR1=1;
      delay(200);
      delay(200);
      delay(200);
    }
    else
      TR1=0;
  }
}
/*
void int_t0() interrupt 1
{
  TH0=-2000/256;
  TL0=-2000%256;
  
}
*/
void int_t1() interrupt 3
{
//RED_OPT=!RED_OPT;
BUZZ=!BUZZ;
}