89C52 程序中有段程序没运行这是为什么？keil优化问题？

只看该作者 · 2014-4-19 15:09

代码段：
/*------------------------------------------------
                  主函数
------------------------------------------------*/
main()
{
   Init_IRQ();//初始化中断
   ILI9325_Initial(); //初始化LCD
   CLR_Screen(White); //用背景色清屏

   LCD_PutString(0,0,"MODE:",White,Blue2);

   LCD_PutString(0,16,"GAIN:",White,Blue2);
   LCD_PutString(0,32,"LINECYC:",White,Blue2);
   LCD_PutString(0,48,"RSTSTA:",White,Blue2);
   LCD_PutString(0,64,"VRMS:",White,Blue2);
   LCD_PutString(0,80,"IRMS:",White,Blue2);
   LCD_PutString(0,96,"TEMP:",White,Blue2);
   LCD_PutString(0,112,"AENERGY:",White,Blue2);
   LCD_PutString(0,128,"PERIOD:",White,Blue2);
   LCD_PutString(0,144,"count:",White,Blue2);
   LCD_PutString(0,160,"sample:",White,Blue2);


   ADE7753_Init();
   //软件重启
   ADE7753_Write(MODE,MODE_SWRST);
   //18us 后执行
   //增加延时18us
   delayms(1);
   //校正初始化
   Calibration_whlsb();


   //模式读取
result=ADE7753_Read(MODE);
_ltoa(result,data_buffer,16);
LCD_PutString(64,0,data_buffer,White,Blue2);
      //增益
result=ADE7753_Read(GAIN);
_ltoa(result,data_2,16);
LCD_PutString(64,16,data_2,White,Blue2);

result=ADE7753_Read(PERIOD);
_ltoa(result,data_buffer,16);
LCD_PutString(64,128,data_buffer,White,Blue2);

  while(1)
  {
LED_1=~LED_1;

if(FLAG==1)
{
   //关中断
   EA=0;
   FLAG=0;

   //读取状态寄存器
result=ADE7753_Read(RSTSTATUS);
_ltoa(result,data_buffer,16);
      LCD_PutString(64,48,data_buffer,White,Blue2);
if(result&IRQE_ZX)
{
      LED=~LED;

               //读取电流值


IRMS_result=ADE7753_Read(IRMS);
TempIRMS = (TempIRMS*7+IRMS_result)>>3;
IRMS_result= TempIRMS;
         _ltoa(IRMS_result,IRMS_buffer,16);
            LCD_PutString(64,80,IRMS_buffer,White,Blue2);
            //读取电压值

            VRMS_result=ADE7753_Read(VRMS);
   TempVRMS=(TempVRMS*7+VRMS_result)>>3;
   VRMS_result=TempVRMS;
         _ltoa(VRMS_result,VRMS_buffer,16);
            LCD_PutString(64,64,VRMS_buffer,White,Blue2);


_ltoa(count,data_buffer,16);
         LCD_PutString(64,144,data_buffer,White,Blue2);
   count++;
}
   //开中断
   EA=1;
}





}


  }

其中，读取电流的代码没显示在LCD上，而下面的读取电流显示在LCD上，这是为什么？？难道KEIL在编译时优化了，该怎么改呢？求大神指导