p-p21.c

本程序为51单片机通信源程序,已经在实物在测试通过

#include <reg51.h>
#include"uart.h"
#define uchar unsigned char
xdata unsigned char da _at_ 0x70ff;
xdata unsigned char PA _at_ 0x71ff;
sbit EOC=P1^0;
bit read_flag=0;
uchar count3;
uchar R[3];
//串口接收中断函数 
void serial () interrupt 4 using 3 
{ 
   if(RI)
   {
     
     RI = 0;
     P1=SBUF;
	
     
    
}
}
//--------------------------------------------------------------------------------------------------




void main(void)
{ 
  InitCom();  //初始化串口
  
  while(1);
  
 
  
  
 
}