timer.lst

单片机C语言程序设计实训100例

C51 COMPILER V8.08   TIMER                                                                 08/10/2009 15:15:28 PAGE 1   


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

line level    source

   1          #include <reg52.h>
   2          #include <intrins.h>
   3          #define uchar unsigned char
   4          #define uint unsigned int
   5          uchar Count;
   6          sbit Dot = P0^7;
   7          uchar code DSY_CODE[]=
   8          {
   9                  0x3f,0x06,0x5b,0x4f,0x66,0x6d,0x7d,0x07,0x7f,0x6f
  10          };
  11          
  12          uchar Digits_of_6DSY[]={0,0,0,0,0,0};
  13          
  14          void DelayMS(uint x)
  15          {
  16   1              uchar i;
  17   1              while(--x)
  18   1              {
  19   2                      for(i=0;i<120;i++);
  20   2              }
  21   1      }
  22          
  23          void main()
  24          {
  25   1              uchar i,j;
  26   1              P0 = 0x00;
  27   1              P3 = 0xff;
  28   1              Count =0;
  29   1              TMOD = 0x01;
  30   1              TH0  = (65535-50000)/256;
  31   1              TL0  = (65535-50000)%256;
  32   1              IE = 0x82;
  33   1              TR0 = 1;
  34   1              while(1)
  35   1              {
  36   2                      j = 0x7f;
  37   2                      for(i=5;i!=-1;i--)
  38   2                      {
  39   3                              j=_crol_(j,1);
  40   3                              P3 = j;
  41   3                              P0 = DSY_CODE[Digits_of_6DSY[i]];
  42   3                              if(i==1) P0 |= 0x80;
  43   3                              DelayMS(2);
  44   3                      }
  45   2              }
  46   1      }
  47          
  48          void Time0() interrupt 1
  49          {
  50   1              uchar i;
  51   1              TH0  = (65535-50000)/256;
  52   1              TL0  = (65535-50000)%256;
  53   1              if(++Count !=2) return;
  54   1              Count = 0;
  55   1              Digits_of_6DSY[0]++;
C51 COMPILER V8.08   TIMER                                                                 08/10/2009 15:15:28 PAGE 2   

  56   1              for(i=0;i<=5;i++)
  57   1              {
  58   2                      if(Digits_of_6DSY[i] == 10)
  59   2                      {
  60   3                              Digits_of_6DSY[i] = 0;
  61   3                              if(i != 5) Digits_of_6DSY[i+1]++;
  62   3                      }
  63   2                      else break;
  64   2              }
  65   1      }


MODULE INFORMATION:   STATIC OVERLAYABLE
   CODE SIZE        =    157    ----
   CONSTANT SIZE    =     10    ----
   XDATA SIZE       =   ----    ----
   PDATA SIZE       =   ----    ----
   DATA SIZE        =      7    ----
   IDATA SIZE       =   ----    ----
   BIT SIZE         =   ----    ----
END OF MODULE INFORMATION.


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