#include <reg51.h>
#include "demo.h"
void rs232(void) interrupt 4
{ES=0;   
 Flag_rs232=1;
 if(RI)
    {RI=0;
     recbyte[0]=SBUF;
	 
     }
 
}
WORD InterruptCount = 0;        // every 1 ms increase 1

timer0() interrupt 1 
                {TR0=0;
                  
        TH0 = 0xfc,TL0=0x67;    //  10 ms for 11.0592MHz
        InterruptCount++;
        TR0 = 1;
 }