led2chan.lst

口若悬河口若悬河口若悬河口若悬河口若悬河口若悬河口若悬河口若悬河口若悬河

C51 COMPILER V8.02   LED2CHAN                                                              08/20/2008 21:27:18 PAGE 1   


C51 COMPILER V8.02, COMPILATION OF MODULE LED2CHAN
OBJECT MODULE PLACED IN led2chan.OBJ
COMPILER INVOKED BY: C:\Keil\uv3\C51\BIN\C51.EXE led2chan.c BROWSE DEBUG OBJECTEXTEND

line level    source

   1          #include"reg52.h"
   2          #define unchar unsigned char
   3          unchar t=0;
   4          sbit  P12=P1^2;
   5          sbit  P34=P3^4;
   6          bit T1s=0;
   7          bit T5ms=0;
   8          unchar seg[10 ]={0xc0,0xf9,0xa4,0xb0,0x99,0x92,0x82,0xf8,0x80,0x90};
   9          
  10          /*****初始化T2，5ms中断一次******/
  11          void initT2()
  12          {
  13   1      T2CON=0x04; //自动重装方式
  14   1      TH2=0xfc;
  15   1      TL2=0x18;
  16   1      RCAP2L=0x18;
  17   1      RCAP2H=0xfc;
  18   1      EA=1;
  19   1      ET2=1;
  20   1      }
  21          
  22          /******秒加1******/
  23          void add()
  24          {
  25   1      t++;
  26   1      if(t==60)
  27   1      {t=0;}
  28   1      }
  29          
  30          /***主函数***/
  31          void main()
  32          {
  33   1      //void initT2();
  34   1      unchar i;
  35   1      initT2();
  36   1      while(1)
  37   1      {
  38   2      if(T1s)
  39   2      {
  40   3      T1s=0;
  41   3      add();
  42   3      }
  43   2      else if(T5ms)
  44   2      {
  45   3      T5ms=0;
  46   3      switch(i) //动态扫描
  47   3      {
  48   4      case 0:{{P34=1;P12=0;;P0=seg[t%10];}break;}      //秒个位
  49   4      case 1:{{P12=1;P34=0;;P0=seg[t/10];}break;}      //     秒十位
  50   4      default:{break;}}
  51   3      i++;
  52   3      if(i==2)
  53   3      i=0;
  54   3      }}}
  55          
C51 COMPILER V8.02   LED2CHAN                                                              08/20/2008 21:27:18 PAGE 2   

  56           /*******T2中断入口**********/
  57          void timer2() interrupt 5
  58          {
  59   1      int s;
  60   1      TF2=0;
  61   1      T5ms=1;
  62   1      s++;
  63   1      if(s==300)
  64   1      {
  65   2      s=0;
  66   2      T1s=1;
  67   2      }
  68   1      }


MODULE INFORMATION:   STATIC OVERLAYABLE
   CODE SIZE        =    138    ----
   CONSTANT SIZE    =   ----    ----
   XDATA SIZE       =   ----    ----
   PDATA SIZE       =   ----    ----
   DATA SIZE        =     11       3
   IDATA SIZE       =   ----    ----
   BIT SIZE         =      2    ----
END OF MODULE INFORMATION.


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