88888.c

单片机串口通信的实例

#include "reg51.h"
#include "string.h"
#define uchar unsigned char 
#define uint unsigned int
main()
{ 
  uint j ;
  TMOD=0x20;
  TL1=0xfd;
  TH1=0xfd;
  SCON=0x50;
  PCON&=0xef;
  TR1=1;
  while (1)
    {
 	SBUF=P1;
 	while(TI==0);
        TI=0;
 					
    }
      for(j=0;j<58000;j++);
   
 
}