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#include "reg52.h"
sbit led=P2^0;
typedef unsigned int u16;
typedef unsigned char u8;
void UsartInit()
{
SCON=0X50;
TMOD=0X20;
PCON=0X80;
TH1=0XF3;
TL1=0XF3;
ES=1;
EA=1;
TR1=1;
}
void main()
{
UsartInit();
while(1);
}
void Usart() interrupt 4
{
u8 receiveData;
receiveData=SBUF;
SBUF=receiveData;
while(!TI);
TI=0;
RI = 0;
// 當接受到數字0是使led亮
if(SBUF==0)
{
led=0;
}
}
但是程序沒有自己想要的結果,希望大佬幫忙改下 ,最好能解釋下串口通如何控制其他硬件
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