pc.lst

电脑和单片机进行串行通信

C51 COMPILER V8.08   PC                                                                    01/13/2001 18:14:01 PAGE 1   


C51 COMPILER V8.08, COMPILATION OF MODULE PC
OBJECT MODULE PLACED IN PC.OBJ
COMPILER INVOKED BY: C:\Keil\C51\BIN\C51.EXE PC.c BROWSE DEBUG OBJECTEXTEND

line level    source

   1          #include<reg52.h>
   2          sbit P2_2=P2^2;
   3          sbit P2_0=P2^0;
   4          unsigned char code tab[]={0XC0,0XCF,0X64,0X46,0X4B,0X52,0X50,0XC7,0X40,0X42};
   5          unsigned char dat;
   6          unsigned char a;
   7          void Init_Com(void)
   8          {
   9   1        TMOD=0X20;
  10   1        PCON=0X00;
  11   1        SCON=0X50;
  12   1        TH1=0XFD;
  13   1        TL1=0XFD;
  14   1        TR1=1;
  15   1      }
  16          
  17          void delayms(unsigned int k) 
  18          {
  19   1        unsigned char  i;
  20   1        while(k--)
  21   1        for(i=0;i<125;i++);
  22   1      }
  23          
  24          void display(int k)
  25          {
  26   1        P2_2=0;
  27   1        P0=tab[k%10];
  28   1      }
  29          
  30          void serial() interrupt 4 using 1
  31          {
  32   1        if(RI==1)
  33   1        {
  34   2         RI=0;
  35   2         dat=SBUF;
  36   2        }
  37   1      }
  38          
  39          void main()
  40          { 
  41   1        EA=1;
  42   1        ES=1;
  43   1        Init_Com();
  44   1        while(1)
  45   1        {
  46   2          display(dat);
  47   2              if(dat==1)
  48   2              {  P2_0=1;
  49   3                 display(dat);
  50   3                 a=0x01;
  51   3                 P1=~a; 
  52   3                 delayms(200);
  53   3                 while(a<0x80)
  54   3                 { a<<=1;
  55   4                   P1=~a; 
C51 COMPILER V8.08   PC                                                                    01/13/2001 18:14:01 PAGE 2   

  56   4                   delayms(200);
  57   4                      }
  58   3              }
  59   2              else if(dat==2)
  60   2              { P2_0=1;
  61   3                display(dat);
  62   3                a=0x80;
  63   3                P1=~a; 
  64   3                delayms(200);
  65   3                while(a>0x01)
  66   3                { 
  67   4                  a>>=1;
  68   4                  P1=~a; 
  69   4                  delayms(200);
  70   4                }
  71   3              }
  72   2              else if(dat==3)
  73   2              { P2_0=1;
  74   3                display(dat);
  75   3                P1=0xff;
  76   3                delayms(300);
  77   3                P1=0x00;
  78   3                delayms(300);
  79   3              }
  80   2              else if(dat==4)
  81   2              { P2_0=1;
  82   3                display(dat);
  83   3                P1=0X00;
  84   3              }
  85   2              else if(dat==5)
  86   2              { P2_0=1;
  87   3                display(dat);
  88   3                P1=0XFF;
  89   3              }
  90   2              else P2_0=0;
  91   2        }
  92   1      
  93   1      }


MODULE INFORMATION:   STATIC OVERLAYABLE
   CODE SIZE        =    240    ----
   CONSTANT SIZE    =     10    ----
   XDATA SIZE       =   ----    ----
   PDATA SIZE       =   ----    ----
   DATA SIZE        =      2    ----
   IDATA SIZE       =   ----    ----
   BIT SIZE         =   ----    ----
END OF MODULE INFORMATION.


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