24c04.lst

单片机C语言程序设计实训100例

C51 COMPILER V8.08   24C04                                                                 08/07/2009 21:35:46 PAGE 1   


C51 COMPILER V8.08, COMPILATION OF MODULE 24C04
OBJECT MODULE PLACED IN 24c04.OBJ
COMPILER INVOKED BY: C:\Keil\C51\BIN\C51.EXE 24c04.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          #define NOP4() {_nop_();_nop_();_nop_();_nop_();}
   6          
   7          sbit SCL = P1^0;
   8          sbit SDA = P1^1;
   9          
  10          uchar code DSY_CODE[]=
  11          {
  12                  0xc0,0xf9,0xa4,0xb0,0x99,0x92,0x82,0xf8,0x80,0x90       
  13          };
  14          
  15          uchar DISP_Buffer[]={0,0,0};
  16          uchar Count = 0;
  17          
  18          void DelayMS(uint x)
  19          {
  20   1              uchar t;
  21   1              while(x--)
  22   1              {
  23   2                      for(t=120;t>0;t--);
  24   2              }
  25   1      }
  26          
  27          void Start()
  28          {
  29   1              SDA=1;SCL=1;NOP4();SDA=0;NOP4();SCL=0;
  30   1      }
  31          
  32          void Stop()
  33          {
  34   1              SDA=0;SCL=0;NOP4();SCL=1;NOP4();SDA=1;
  35   1      }
  36          
  37          void RACK()
  38          {
  39   1              SDA=1;NOP4();SCL=1;NOP4();SCL=0;
  40   1      }
  41          
  42          void NO_ACK()
  43          {
  44   1              SDA=1;SCL=1;NOP4();SCL=0;SDA=0;
  45   1      }
  46          
  47          void Write_A_Byte(uchar b)
  48          {
  49   1              uchar i;
  50   1              for(i=0;i<8;i++)
  51   1              {
  52   2                      b<<=1;SDA=CY;_nop_();SCL=1;NOP4();SCL=0;
  53   2              }
  54   1              RACK();
  55   1      }
C51 COMPILER V8.08   24C04                                                                 08/07/2009 21:35:46 PAGE 2   

  56          
  57          uchar Receive_A_Byte()
  58          {
  59   1              uchar i,d;
  60   1              for(i=0;i<8;i++)
  61   1              {
  62   2                      SCL=1;d<<=1;d|=SDA;SCL=0;
  63   2              }
  64   1              return d;
  65   1      }
  66          
  67          void Write_Random_Address_Byte(uchar add,uchar dat)
  68          {
  69   1              Start();
  70   1              Write_A_Byte(0xa0);
  71   1              Write_A_Byte(add);
  72   1              Write_A_Byte(dat);
  73   1              Stop();
  74   1              DelayMS(10);
  75   1      }
  76          
  77          uchar Read_Current_Address_Data()
  78          {
  79   1              uchar d;
  80   1              Start();
  81   1              Write_A_Byte(0xa1);
  82   1              d=Receive_A_Byte();
  83   1              NO_ACK();
  84   1              Stop();
  85   1              return d;
  86   1      }
  87          
  88          uchar Random_Read(uchar addr)
  89          {
  90   1              Start();
  91   1              Write_A_Byte(0xa0);
  92   1              Write_A_Byte(addr);
  93   1              Stop();
  94   1              return Read_Current_Address_Data();             
  95   1      }
  96          
  97          void Convert_And_Display()
  98          {
  99   1              DISP_Buffer[2] = Count/10;
 100   1              DISP_Buffer[1] = Count%100/10;
 101   1              DISP_Buffer[0] = Count%100%10;
 102   1              if(DISP_Buffer[2] == 0)
 103   1              {
 104   2                      DISP_Buffer[2] = 10;
 105   2                      if(DISP_Buffer[1] == 0)
 106   2                      {
 107   3                              DISP_Buffer[1] = 10;    
 108   3                      }
 109   2              }
 110   1              P2 = 0x80;
 111   1              P0 = DSY_CODE[DISP_Buffer[0]];
 112   1              DelayMS(2);
 113   1              P2 = 0x40;
 114   1              P0 = DSY_CODE[DISP_Buffer[1]];
 115   1              DelayMS(2);
 116   1              P2 = 0x20;
 117   1              P0 = DSY_CODE[DISP_Buffer[2]];
C51 COMPILER V8.08   24C04                                                                 08/07/2009 21:35:46 PAGE 3   

 118   1              DelayMS(2); 
 119   1      }
 120          
 121          void main()
 122          {
 123   1              Count = Random_Read(0x00) + 1;
 124   1              Write_Random_Address_Byte(0x00,Count);
 125   1              while(1)
 126   1                      Convert_And_Display();  
 127   1      }


MODULE INFORMATION:   STATIC OVERLAYABLE
   CODE SIZE        =    297    ----
   CONSTANT SIZE    =     10    ----
   XDATA SIZE       =   ----    ----
   PDATA SIZE       =   ----    ----
   DATA SIZE        =      4    ----
   IDATA SIZE       =   ----    ----
   BIT SIZE         =   ----    ----
END OF MODULE INFORMATION.


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