chuanko.c

基础串口通信技术及相应例证

#include<reg51.h>
sbit STB=P2^0;
void main()
{
  unsigned char j;
  unsigned i;
  SCON=0X00;
  j=0x01;
  while(1)
  {
  
   STB=0;
   SBUF=j;
   while(!TI){;}
   STB=1;TI=0;
   for(i=0;i<=500;i++) {;}
    j=j*2;
    if(j==0x00) j=0x01;
  
   }



}