C51 COMPILER V7.20   1                                                                     01/28/2002 23:03:13 PAGE 1   


C51 COMPILER V7.20, COMPILATION OF MODULE 1
OBJECT MODULE PLACED IN 1.OBJ
COMPILER INVOKED BY: C:\Keil\C51\BIN\C51.EXE 1.c BROWSE DEBUG OBJECTEXTEND

line level    source

   1          #include<reg51.h>
   2          #define uchar   unsigned char
   3          #define uint unsigned int 
   4          sbit    flag=P1^0;                
   5          uchar   TAB=0x5a;
   6          
   7          void delayms(uint i)
   8          {       uchar j;
   9   1              while(i--)
  10   1                      for(j=0;j<125;j++);
  11   1      }
  12          
  13          void    main()
  14          {
  15   1              uchar   i,j;
  16   1              j=0;
  17   1              TMOD=0X20;                              //設置定時器1,方式2和初始值;
  18   1              TL1=0xF3;
  19   1              TH1=0xF3;
  20   1              SCON=0x50;                              //設置串口方式1,波特率為4800;    
  21   1              PCON=0x00;
  22   1              TR1=1;                                  //啟動計時;
  23   1              flag=1;
  24   1      for(;;)                                         //死循環
  25   1      {
  26   2              for(i=0;i<50;i++)               //送50個數據;
  27   2                      {
  28   3                              while(RI==0)    //如果沒有白紙反射則一直在發送數據；
  29   3                              {
  30   4                              SBUF=TAB;
  31   4                              while(TI==0);
  32   4                              TI=0;
  33   4                      }
  34   3                              RI=0;
  35   3                              P2=0;
  36   3                              delayms(1);
  37   3                              P2=SBUF;
  38   3                              delayms(1);
  39   3                              j++;
  40   3                              if(j>40)                //如果接受數據的個數大于40則LED亮；
  41   3                                      flag=0; 
  42   3                              delayms(2);                     
  43   3                              
  44   3                      }
  45   2              j=0;
  46   2              flag=1;
  47   2      }
  48   1              while(1);
  49   1      }


MODULE INFORMATION:   STATIC OVERLAYABLE
   CODE SIZE        =    104    ----
   CONSTANT SIZE    =   ----    ----
   XDATA SIZE       =   ----    ----
C51 COMPILER V7.20   1                                                                     01/28/2002 23:03:13 PAGE 2   

   PDATA SIZE       =   ----    ----
   DATA SIZE        =      1    ----
   IDATA SIZE       =   ----    ----
   BIT SIZE         =   ----    ----
END OF MODULE INFORMATION.


C51 COMPILATION COMPLETE.  0 WARNING(S),  0 ERROR(S)