tongxin.c

使用80C51单片机与PC机进行通信的源程序

#include<regx51.h>
#define uint unsigned int
#define uchar unsigned char

uchar code a[]={'H','e','l','l','o','l','i','t','t','l','e','!'};
void delay(uint k)
{
 k=k*125;
 while(k--);
}


void main()
{
 uchar i;
 SCON=0xc0;
 TMOD=0x20;
 TH1=0xfd;
 TL1=0xfd;
 TR1=1;
 for(i=0;i<16;i++)
 {
  SBUF=a[i];
  while(!TI);
  TI=0;
  delay(1000);
 }
 while(1);
}