led1.lst

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C51 COMPILER V8.02   LED1                                                                  11/28/2010 09:32:58 PAGE 1   


C51 COMPILER V8.02, COMPILATION OF MODULE LED1
OBJECT MODULE PLACED IN led1.OBJ
COMPILER INVOKED BY: C:\Keil\C51\BIN\C51.EXE led1.c BROWSE DEBUG OBJECTEXTEND

line level    source

   1          #include <reg52.h>
   2          typedef  unsigned char   uint8;
   3          typedef  unsigned int    uint16;
   4          uint8 number[] = {0xc0,0xf9,0xa4,0xb0,
   5                                            0x99,0x92,0x82,0xf8,
   6                                            0x80,0x90,0x88,0x83,
   7                                            0xa7,0xa1,0x86,0x8e};
   8          
   9          sbit ENLED = P1^4;
  10          sbit ADDR0 = P1^0;
  11          sbit ADDR1 = P1^1;
  12          sbit ADDR2 = P1^2;
  13          sbit ADDR3 = P1^3;
  14          sbit  LED  = P0^0;
  15          
  16          void refresh();
  17          
  18          main()
  19          {
  20   1              uint8  i;
  21   1              uint16 counter;
  22   1      
  23   1              ENLED = 0; ADDR3 = 1;
  24   1              TMOD = 0x01;
  25   1              TH0 = 0xFC;      
  26   1              TL0 = 0x67;
  27   1              TR0 = 1;
  28   1              while(1)
  29   1              {
  30   2                        if(1 == TF0)
  31   2                        {
  32   3                                      TF0 = 0;
  33   3                              TH0 = 0xFC;
  34   3                                      TL0 = 0x67;
  35   3                                      counter++;
  36   3                                      refresh();
  37   3                     }
  38   2                         if(1000 == counter)
  39   2                         {
  40   3                                      P0 = number[i++];
  41   3                                      counter = 0;     
  42   3                         }
  43   2                         if(i == 16)
  44   2                         {
  45   3                                      i = 0;
  46   3                         }
  47   2                         
  48   2              }
  49   1      }
  50          void refresh()
  51          {
  52   1                static uint8 j = 0;
  53   1                      switch(j)
  54   1                 {
  55   2                      case 0: ADDR0 = 0;ADDR1 = 0;ADDR2 = 0;j++;break;
C51 COMPILER V8.02   LED1                                                                  11/28/2010 09:32:58 PAGE 2   

  56   2                      case 1: ADDR0 = 1;ADDR1 = 0;ADDR2 = 0;j++;break;
  57   2                      case 2: ADDR0 = 0;ADDR1 = 1;ADDR2 = 0;j++;break;
  58   2                      case 3: ADDR0 = 1;ADDR1 = 1;ADDR2 = 0;j++;break;
  59   2                      case 4: ADDR0 = 0;ADDR1 = 0;ADDR2 = 1;j++;break;
  60   2                      case 5: ADDR0 = 1;ADDR1 = 0;ADDR2 = 1;j = 0;break;
  61   2                      default: break;
  62   2                      }
  63   1              
  64   1      }


MODULE INFORMATION:   STATIC OVERLAYABLE
   CODE SIZE        =    138    ----
   CONSTANT SIZE    =   ----    ----
   XDATA SIZE       =   ----    ----
   PDATA SIZE       =   ----    ----
   DATA SIZE        =     17       3
   IDATA SIZE       =   ----    ----
   BIT SIZE         =   ----    ----
END OF MODULE INFORMATION.


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