ad0809.lst

基于8051+ADC0809设计数字电压表的电路原理图

C51 COMPILER V8.02   AD0809                                                                08/30/2007 14:37:15 PAGE 1   


C51 COMPILER V8.02, COMPILATION OF MODULE AD0809
OBJECT MODULE PLACED IN AD0809.OBJ
COMPILER INVOKED BY: C:\Keil\C51\BIN\C51.EXE AD0809.C BROWSE DEBUG OBJECTEXTEND

line level    source

   1          #include <AT89X52.H> 
   2          unsigned char code dispbitcode[]={0xfe,0xfd,0xfb,0xf7, 
   3          0xef,0xdf,0xbf,0x7f}; 
   4          unsigned char code dispcode[]={0x3f,0x06,0x5b,0x4f,0x66, 
   5                                     0x6d,0x7d,0x07,0x7f,0x6f,0x00}; 
   6          unsigned char dispbuf[8]={10,10,10,10,10,0,0,0}; 
   7          unsigned char code tab[]={0,0,  0,      1,      0,      2,      0,      0,      3,      0 ,
   8                                   4,     0,      0,      5,      0,      6,      0,      0,      7,      0 ,
   9                                   8,     0,      0,      9,      0,      0,      10,     0,      11,     0 ,
  10                                   0,     12,     0,      13,     0,      0,      14,     0,      15,     0 ,
  11                                   0,     16,     0,      17,     0,      0,      18,     0,      19,     0,
  12                                   0,     20,     0,      0,      21,     0,      22,     0,      0,      23,
  13                                   0,     24,     0,      0,      25,     0,      26,     0,      0,      27,
  14                                   0,     28,     0,      0,      29,     0,      0,      30,     0,      31,
  15                                   0,     0,      32,     0,      33,     0,      0,      34,     0,      35,
  16                                   0,     0,      36,     0,      37,     0,      0,      38,     0,      39,
  17                                   0,     0,      40,     0,      0,      41,     0,      42,     0,      0,
  18                                   43,0,  44,     0,      0,      45,     0,      46,     0,      0,
  19                                   47,0,  48,     0,      0,      49,     0,      50,     0,      0,
  20                                   51,0,  0,      52,     0,      53,     0,      0,      54,     0 ,
  21                                   55,0,  0,      56,     0,      57,     0,      0,      58,     0,
  22                                   59,0,  0,      60,     0,      0,      61,     0,      62,     0,
  23                                   0,     63,     0,      64,     0,      0,      65,     0,      66,     0,
  24                                   0,     67,     0,      68,     0,      0,      69,     0,      70,     0,
  25                                   0,     71,     0,      0,      72,     0,      73,     0,      0,      74,
  26                                   0,     75,     0,      0,      76,     0,      77,     0,      0,      78,
  27                                   0,     79,     0,      0,      80,     0,      0,      81,     0,      82,
  28                                   0,     0,      83,     0,      84,     0,      0,      85,     0,      86,
  29                                   0,     0,      87,     0,      88,     0,      0,      89,     0,      90,
  30                                   0,     0,      91,     0,      0,      92,     0,      93,     0,      0,
  31                                   94,0,  95,     0,      0,      96,     0,      97,     0,      0,
  32                                   98,0,  99,     0,      0,      100,0,  0,      0};
  33          unsigned char dispcount; 
  34          
  35          unsigned int R1;
  36          
  37          sbit ST=P3^0; 
  38          sbit OE=P3^1; 
  39          sbit EOC=P3^2; 
  40          unsigned char channel=0xbc; //1011 1100，ABC＝110选择第三通道同时使ST=0，OE=0输出数据线呈高阻状态，EOC=1。
  41          unsigned char getdata;   
  42          void main(void) 
  43          { 
  44   1        TMOD=0x01; 
  45   1        TH0=(65536-4000)/256; 
  46   1        TL0=(65536-4000)%256; 
  47   1        TR0=1; 
  48   1        ET0=1; 
  49   1        EA=1; 
  50   1        P3=channel; 
  51   1        
  52   1        while(1) 
  53   1          { 
  54   2            ST=0; 
  55   2            ST=1; 
C51 COMPILER V8.02   AD0809                                                                08/30/2007 14:37:15 PAGE 2   

  56   2            ST=0; 
  57   2            while(EOC==0); 
  58   2            OE=1; 
  59   2            getdata=P0; 
  60   2            OE=0;     
  61   2                getdata=tab[getdata];
  62   2                R1=getdata%2;
  63   2            getdata=getdata/2;    
  64   2            dispbuf[5]=getdata/10; 
  65   2            dispbuf[6]=(getdata%10);
  66   2                if(R1==1)
  67   2                  dispbuf[7]=5;
  68   2                else
  69   2                  dispbuf[7]=0;  
  70   2          } 
  71   1      }   
  72          void t0(void) interrupt 1 using 0 
  73          { 
  74   1        TH0=(65536-350)/256; 
  75   1        TL0=(65536-350)%256; 
  76   1        P2=0xff;
  77   1        if(dispcount==5)
  78   1        {P1=dispcode[dispbuf[dispcount]]|0x80; 
  79   2        P2=dispbitcode[dispcount]; }
  80   1        else
  81   1        {P1=dispcode[dispbuf[dispcount]]; 
  82   2        P2=dispbitcode[dispcount]; }
  83   1        dispcount++; 
  84   1        if(dispcount==8) 
  85   1          { 
  86   2            dispcount=0; 
  87   2          } 
  88   1      } 


MODULE INFORMATION:   STATIC OVERLAYABLE
   CODE SIZE        =    164    ----
   CONSTANT SIZE    =    278    ----
   XDATA SIZE       =   ----    ----
   PDATA SIZE       =   ----    ----
   DATA SIZE        =     13    ----
   IDATA SIZE       =   ----    ----
   BIT SIZE         =   ----    ----
END OF MODULE INFORMATION.


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