#include <reg52.h>
#include <intrins.h>
#define uint8 unsigned char
#define uint16 unsigned int
#define shuama P0
sbit dianji11=P1^4;
sbit dianji12=P1^5;
sbit dianji21=P3^4;
sbit dianji22=P3^5;
void UART_init()     /????
{
    PCON=0X80;
    TMOD = 0x20;      //T1????2 8?????
    TH1 = 0xFd;
    TL1 = 0xFd;     //???19200
    TR1 = 1;        //??T1???
    SM0 = 0;
    SM1 = 1;         //??????1  10???   
    REN = 1;        //??????
    ES  = 1;        //??????
    EA = 1;            // ????
}
uint8 num,m;
void  main()         //?????
{
    UART_init();
    while(1)
    {

    }

}

void UART() interrupt 4
{
   
        if(RI)           //????????
    {
        num =SBUF;        //num?????????   
        RI=0;
            if(num==0x01)
    {
        dianji11=1;
        dianji12=0;
        dianji21=1;
        dianji22=0;    }
        if(num==0x02)
    {
        dianji12=1;   
         dianji11=0;
        dianji21=0;
        dianji22=1;
    }
    if(num==0x03)
    {
         dianji11=1;
        dianji12=0;
        dianji21=0;
        dianji22=1;
    }
    if(num==0x04)
    {
         dianji11=0;
        dianji12=1;
        dianji21=1;
        dianji22=0;
    }
        if(num==0x05)
        {
         dianji11=0;
        dianji12=0;
        dianji21=0;
        dianji22=0;
    }

        SBUF=num;
        while(!TI);
        TI=0;   
    }   
}



怎么改可以实现用蓝牙控制，这个是串口控制！