chuanko.c

基础串口通信技术及相应例证

#include<reg51.h>
#include <intrins.h>
sbit P1_0=P1^0; 
unsigned i;  
unsigned char j;
void main()
{
while(1)
{ 

TMOD=0X20;
TL1=0Xfd;
TH1=0Xfd;
PCON=0X00;
TR1=1;
SCON=0X50;
if(P1_0==0)
SBUF=0x01;
else SBUF=0x00;
while(TI==0);
 TI=0;
}
}