STC12单片机实现自动下载程序

#include <stc12.h>unsigned char RevData;//void UartInit()   //{//  PCON &= 0x7F;   //  SCON = 0x50;    //  AUXR &= 0xBF;   //  AUXR &= 0xFE;   //  TMOD &= 0x0F;   //  TMOD |= 0x20;   //  TL1 = 0xFD; //  TH1 = 0xFD; //  ET1 = 0;        //  TR1 = 1;        //}void UartInit(){    AUXR &= 0xF7;           S2CON = 0x50;           AUXR &= 0xFB;           BRT = 0xFD;     AUXR |= 0x10;   }void main(){    UartInit();    EA = 1;    ES = 1;    P0 = 0;    while(1);}void Uart() interrupt 4{    if(RI)    {        RI = 0;        RevData = SBUF;        if(RevData == 0x0a)        {            IAP_CONTR=0x60;         }    }    if(TI)    {}}