ledchange.lst

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C51 COMPILER V8.02   LEDCHANGE                                                             08/17/2008 09:31:36 PAGE 1   


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

line level    source

   1          #include"reg52.h"
   2          #define unchar unsigned char
   3          unsigned int t=0;
   4          bit T1s=0;
   5          bit T5ms=0;
   6          unchar seg[10 ]={0xc0,0xf9,0xa4,0xb0,0x99,0x92,0x82,0xf8,0x80,0x90};
   7          unchar scan_con[4]={0xfe,0xfd,0xfb,0xf7};
   8          //unchar num[]={(t%60)%10,(t%60)/10,(t/60)%10,(t/60)/10};
   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==3601)
  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      P2=scan_con[i];
  47   3      //P0=num[i];
  48   3      switch(i) //动态扫描
  49   3      {
  50   4      case 0:{P1=seg[(t%60)%10];break;}        //秒个位
  51   4      case 1:{P1=seg[(t%60)/10];break;}        //     秒十位
  52   4      //
  53   4      case 2:{P1=seg[(t/60)%10];break;}        //     分个位
  54   4      case 3:{P1=seg[(t/60)/10];break;}        //     分十位
  55   4      default:{break;}
C51 COMPILER V8.02   LEDCHANGE                                                             08/17/2008 09:31:36 PAGE 2   

  56   4      }
  57   3      i++;
  58   3      if(i==4)i=0;  //列扫描归位
  59   3      }}}
  60          
  61          /*******T2中断入口**********/
  62          void timer2() interrupt 5
  63          {
  64   1      int s;
  65   1      TF2=0;
  66   1      T5ms=1;
  67   1      s++;
  68   1      if(s==300)
  69   1      {
  70   2      s=0;
  71   2      T1s=1;
  72   2      }
  73   1      }


MODULE INFORMATION:   STATIC OVERLAYABLE
   CODE SIZE        =    230    ----
   CONSTANT SIZE    =   ----    ----
   XDATA SIZE       =   ----    ----
   PDATA SIZE       =   ----    ----
   DATA SIZE        =     16       3
   IDATA SIZE       =   ----    ----
   BIT SIZE         =      2    ----
END OF MODULE INFORMATION.


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