flashled.lst

一个单片机程序

C51 COMPILER V7.50   FLASHLED                                                              11/27/2006 20:38:13 PAGE 1   


C51 COMPILER V7.50, COMPILATION OF MODULE FLASHLED
OBJECT MODULE PLACED IN FlashLED.OBJ
COMPILER INVOKED BY: C:\Keil\C51\BIN\C51.EXE FlashLED.c BROWSE DEBUG OBJECTEXTEND

line level    source

   1          #include <reg52.h>
   2          
   3          #define BYTE unsigned char
   4          #define WORD unsigned int
   5          
   6          sbit LED1=P1^0;
   7          sbit LED2=P1^1;
   8          sbit LED3=P1^2;
   9          sbit LED4=P1^3;
  10          sbit LED5=P1^4;
  11          sbit LED6=P1^5;
  12          sbit LED7=P1^6;
  13          sbit LED8=P1^7;
  14          
  15          sbit DLEDcs1=P2^1;
  16          sbit DLEDcs2=P2^0;
  17          sbit DLEDcs3=P2^2;
  18          sbit DLEDcs4=P2^3;
  19          
  20          void Delay()
  21          {
  22   1              WORD i;
  23   1              i=0x1000;
  24   1              while(i--);
  25   1      }
  26          
  27          main()
  28          {
  29   1              BYTE i,j,x,y;
  30   1              //关闭数码管显示
  31   1              DLEDcs1=DLEDcs2=DLEDcs3=DLEDcs4=0;      
  32   1              
  33   1              //流水灯实验
  34   1              while(1)
  35   1              {
  36   2                      Delay();
  37   2                      P1=0xff;//熄掉所有灯
  38   2              
  39   2                      //单灯流水
  40   2                      x=1;
  41   2                      for(i=0;i<8;i++)
  42   2                      {
  43   3                              Delay();
  44   3                              P1=x^0xff;
  45   3                              x*=2;//if(x==0) x=1;
  46   3      
  47   3                      }
  48   2              
  49   2              
  50   2                      //反向流水
  51   2              
  52   2      
  53   2                      y=128;
  54   2                      for(i=0;i<8;i++)
  55   2                      {
C51 COMPILER V7.50   FLASHLED                                                              11/27/2006 20:38:13 PAGE 2   

  56   3                              Delay();
  57   3                              if (y==0) y=1;
  58   3                              P1=y^0xff;
  59   3                              y=y/2;
  60   3                      
  61   3                      }
  62   2              
  63   2      
  64   2                      
  65   2                      Delay();
  66   2                      P1=0xff;//熄掉所有灯
  67   2      
  68   2      
  69   2                      //双灯流水
  70   2                      x=3;
  71   2                      for(i=0;i<7;i++)
  72   2                      {
  73   3                              Delay();
  74   3                              P1=x^0xff;
  75   3                              x*=2;//if(x==0) x=1;
  76   3                      }
  77   2                      //双反流水
  78   2                      y=192;
  79   2                      for(i=0;i<7;i++)
  80   2                      {
  81   3                              Delay();
  82   3                              if (y==0) y=1;
  83   3                              P1=y^0xff;
  84   3                              y=y/2;
  85   3                      
  86   3                      }
  87   2      
  88   2              //交替显示1
  89   2                      for(i=0;i<4;i++)
  90   2                      {
  91   3                              Delay();
  92   3                              P1=0x55;
  93   3                              Delay();
  94   3                              P1=0xaa;                        
  95   3                      }
  96   2                      Delay();P1=0xff;//熄掉所有灯
  97   2                      //交替显示2
  98   2                      for(i=0;i<4;i++)
  99   2                      {
 100   3                              Delay();
 101   3                              P1=0x33;
 102   3                              Delay();
 103   3                              P1=0xcc;                        
 104   3                      }
 105   2      
 106   2              
 107   2                      Delay();P1=0xff;//熄掉所有灯
 108   2                              //另一个花样
 109   2                      for(i=0;i<8;i++)
 110   2                      {
 111   3                              y=P1;x=1;
 112   3                              for(j=0;j<8-i;j++)
 113   3                              {
 114   4                                      Delay();
 115   4                                      P1=y&(x^0xff);
 116   4                                      x*=2;
 117   4                              }
C51 COMPILER V7.50   FLASHLED                                                              11/27/2006 20:38:13 PAGE 3   

 118   3                      }
 119   2                      x=128;
 120   2                      y=128;
 121   2                      
 122   2                      for(j=0;j<8;j++)
 123   2              {
 124   3                      Delay();
 125   3                      
 126   3                      P1=x;
 127   3                      y=y/2;
 128   3                      x=y+x;
 129   3                              
 130   3              }       
 131   2              x=0xff;
 132   2              y=1;
 133   2              for (j=0;j<9;j++)
 134   2              {
 135   3              Delay();
 136   3              P1=x;
 137   3              x=x-y;
 138   3              y=y*2;  
 139   3              }
 140   2      
 141   2      
 142   2      
 143   2      
 144   2              }       
 145   1      }


MODULE INFORMATION:   STATIC OVERLAYABLE
   CODE SIZE        =    258    ----
   CONSTANT SIZE    =   ----    ----
   XDATA SIZE       =   ----    ----
   PDATA SIZE       =   ----    ----
   DATA SIZE        =   ----    ----
   IDATA SIZE       =   ----    ----
   BIT SIZE         =   ----    ----
END OF MODULE INFORMATION.


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