adda.lst

《8051系列单片机C程序设计完全手册》的光盘中的所有源代码

C51 COMPILER V6.23a  ADDA                                                                  09/08/2003 17:02:21 PAGE 1   


C51 COMPILER V6.23a, COMPILATION OF MODULE ADDA
OBJECT MODULE PLACED IN adda.OBJ
COMPILER INVOKED BY: C:\Keil\C51\BIN\C51.EXE adda.c BROWSE DEBUG OBJECTEXTEND

stmt level    source

   1          //#pragma SRC
   2          #include <stdio.h>
   3          #include <reg51.h>
   4          
   5          
   6          #define         TRUE                    1
   7          #define         FALSE                   0
   8          
   9          #define         DELAY_VALUE             3
  10          
  11          #define         ATODHIGH   0x0700       //00000111
  12          #define         ATODLOW    0x0F00       //00001111
  13          #define         DTOAHIGH   0x1100       //00010001
  14          #define         DTOALOW    0x1200       //00010010
  15          #define         ADDARATE        1.1304
  16          #define         STEPLENGTH      3
  17          
  18          #define         PinLamp         P1_0            //指示灯驱动管脚
  19          #define         PinSpeaker      P1_1            //蜂鸣器驱动管脚
  20          #define         PinADStatus     P1_2            //AD的状态显示
  21          #define         PinADCS         P2_4            //AD的选中信号
  22          #define         XBYTE ((unsigned char volatile xdata*) 0)
  23          
  24          sbit            P0_0=P0^0;
  25          sbit            P0_1=P0^1;
  26          sbit            P0_2=P0^2;
  27          sbit            P0_3=P0^3;
  28          sbit            P0_4=P0^4;
  29          sbit            P0_5=P0^5;
  30          sbit            P0_6=P0^6;
  31          sbit            P0_7=P0^7;
  32          
  33          sbit            P1_0=P1^0;
  34          sbit            P1_1=P1^1;
  35          sbit            P1_2=P1^2;
  36          sbit            P1_3=P1^3;
  37          sbit            P1_4=P1^4;
  38          sbit            P1_5=P1^5;
  39          sbit            P1_6=P1^6;
  40          sbit            P1_7=P1^7;
  41          
  42          sbit            P2_0=P2^0;
  43          sbit            P2_1=P2^1;
  44          sbit            P2_2=P2^2;
  45          sbit            P2_3=P2^3;
  46          sbit            P2_4=P2^4;
  47          sbit            P2_5=P2^5;
  48          sbit            P2_6=P2^6;
  49          sbit            P2_7=P2^7;
  50          
  51          
  52          void initial(void);              //初始化子程序
  53          void delay(unsigned char i);
  54          void sendda(unsigned short ab);
  55          unsigned short getad(void);
C51 COMPILER V6.23a  ADDA                                                                  09/08/2003 17:02:21 PAGE 2   

  56          unsigned short serdate(void);
  57          
  58          void main(void)
  59          {
  60   1      unsigned short refint=0,aint=0;
  61   1      initial();                      
  62   1      while(1)
  63   1      {
  64   2      refint=serdate();
  65   2      aint=getad();
  66   2      if(aint>=refint)
  67   2      {
  68   3              aint-=STEPLENGTH;
  69   3              }
  70   2      else if(aint<refint)
  71   2      {
  72   3              aint+=STEPLENGTH;
  73   3              }
  74   2      sendda(aint);
  75   2      }
  76   1      }
  77          
  78          
  79          void initial(void)
  80          {
  81   1      P1_0=TRUE;                      //发光二极管设为不亮
  82   1      P1_1=TRUE;                      //蜂鸣器不叫
  83   1      }
  84          
  85          void delay(unsigned char i)     //延迟子程序
  86          {
  87   1        short j=0;
  88   1        short k=0;
  89   1        k=i*DELAY_VALUE;
  90   1        while (j<k)j++;
  91   1      }
  92          
  93          void sendda(unsigned short ab)
  94          {
  95   1      
  96   1      XBYTE[DTOAHIGH]=(unsigned char)(ab/256);
  97   1      delay(DELAY_VALUE);
  98   1      XBYTE[DTOALOW]=ab-(unsigned short)((unsigned char)(ab/256)*256);
  99   1      delay(DELAY_VALUE);
 100   1      }
 101          
 102          unsigned short getad(void)
 103          {
 104   1      unsigned short ab;
 105   1      unsigned char tmp1,tmp2;        
 106   1      PinADCS=TRUE;
 107   1      PinADStatus=TRUE;
 108   1      while(PinADStatus==TRUE);
 109   1      tmp1=XBYTE[ATODHIGH];
 110   1      tmp2=XBYTE[ATODLOW];
 111   1      ab=(unsigned short)tmp1*256+(unsigned short)tmp2;
 112   1      return ab;
 113   1      }
 114          
 115          unsigned short serdate(void)
 116          {
 117   1      unsigned short ab;
C51 COMPILER V6.23a  ADDA                                                                  09/08/2003 17:02:21 PAGE 3   

 118   1      unsigned char tmp1,tmp2;
 119   1      tmp1 = XBYTE[DTOAHIGH];
 120   1      tmp2 = XBYTE[DTOALOW];
 121   1      ab=(unsigned short)(((float)tmp1*256+(float)tmp2)*ADDARATE);
 122   1      return ab;
 123   1      }


MODULE INFORMATION:   STATIC OVERLAYABLE
   CODE SIZE        =    239    ----
   CONSTANT SIZE    =   ----    ----
   XDATA SIZE       =   ----    ----
   PDATA SIZE       =   ----    ----
   DATA SIZE        =   ----       7
   IDATA SIZE       =   ----    ----
   BIT SIZE         =   ----    ----
END OF MODULE INFORMATION.


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