191read2.lst

单片机与cpld总线方式通信

C51 COMPILER V7.06   191READ2                                                              07/28/2005 13:29:49 PAGE 1   


C51 COMPILER V7.06, COMPILATION OF MODULE 191READ2
OBJECT MODULE PLACED IN 191Read2.OBJ
COMPILER INVOKED BY: C:\Keil\C51\BIN\C51.EXE 191Read2.c BROWSE DEBUG OBJECTEXTEND

stmt level    source

   1          //单片机从cpld读入119转化完的数据
   2          #include<reg51.h>
   3          #include<absacc.h>
   4          #include <intrins.h> 
   5          #define unchar unsigned char
   6          #define unint unsigned int
   7          #define DisCmd XBYTE [0xC100]                     //7218控制字地址
   8          #define DisData XBYTE [0xC000]                    //7218数据口地址
   9          #define scode 0xb0                                //7218软件译码方式命令字
  10          #define bcode 0x90                                //B码译码方式命令字
  11          #define hexcode 0xd0                              //软件译码方式命令字
  12          #define unchar  unsigned char 
  13          sbit P3_3=P3^3;
  14          unchar xdata *AD;
  15          long voltage;
  16          unchar keynum;
  17          unchar flag=0;
  18          unchar dot=0;
  19          char distab[8]={0x13,0x13,0x14,0x00,0x12,0x12,0x0e,0x11} ; // 要显示的内容 hello-pp
  20          char code ledtab[]={ 0xfb,0xb0,0xed,0xf5,0xb6,0xd7,0xdf,0xf0,
  21                         //0,   1,    2,   3,   4,   5,   6,   7 
  22                          0xff,0xf7,0xfe,0x9f,0xcb,0xbd,0xcf,0xce,
  23                         //8    ,9   ,a   ,b   ,c    ,d  ,e    ,f  
  24                          0x80,0xbe,0x8b,0xee,0x84 };
  25                         //熄灭 H    L    P    -
  26          void delay1s()
  27          {
  28   1       unint i,j;
  29   1       for(i=1000;i>0;i--)
  30   1       for(j=100;j>0;j--);
  31   1       }
  32          
  33          void display()
  34          {
  35   1         unchar i;      
  36   1         DisCmd=scode;            //采用软件译码
  37   1         for(i=0;i<8;i++)      //将distab中的数据送如7218
  38   1         {
  39   2           if((i==dot)&dot)
  40   2                 DisData=ledtab[distab[i]]+0x80; //查表转化并将字型送入7218
  41   2              else
  42   2          DisData=ledtab[distab[i]]; //查表转化并将字型送入7218
  43   2       }
  44   1      for(i=1000;i>0;i--);   
  45   1      }
  46          void ADStart()
  47           {
  48   1        unchar d_h,d_l,i;
  49   1        unint tem;
  50   1        voltage=0;
  51   1       
  52   1        for(i=0;i<10;i++)
  53   1       {
  54   2        
  55   2        AD=0xA0ff;
C51 COMPILER V7.06   191READ2                                                              07/28/2005 13:29:49 PAGE 2   

  56   2        d_l=*AD;
  57   2        AD=0xA0fe;
  58   2        d_h=(*AD)&0x0f;
  59   2        tem=d_h*0x0100+d_l;
  60   2        voltage+=tem;
  61   2        }
  62   1        voltage=voltage/10;
  63   1        distab[3]=voltage/1000;
  64   1        distab[3]=distab[3];
  65   1        voltage=voltage%1000;
  66   1        distab[2]=voltage/100;
  67   1        voltage=voltage%100;
  68   1        distab[1]=voltage/10;
  69   1        voltage=voltage%10;
  70   1        distab[0]=voltage;
  71   1       // distab[7]=0x10;
  72   1        distab[6]=0x10;
  73   1        distab[5]=0x10;
  74   1        distab[4]=0x10;
  75   1        display();
  76   1        delay1s();
  77   1       }
  78          //**************************************************************************************
  79          void intt0() interrupt 0 
  80          { 
  81   1       EX0=0;              //关键盘中断，禁止相应其他按键
  82   1       keynum=P1;          //从p1口读入键盘值
  83   1       keynum=keynum&0x0f; //取低四位;
  84   1       dot=3;
  85   1       if(keynum==0x0f)
  86   1       flag=!flag;
  87   1       if(flag)
  88   1       distab[7]=0x00;
  89   1       else
  90   1       distab[7]=0x13;
  91   1       display();
  92   1       EX0=1;                    //开中断
  93   1      }
  94          //**************************************************************************************
  95          /*
  96          void intt1() interrupt 1   //AD转换中断
  97          { 
  98           ADStart();
  99          }
 100          */
 101          void main()
 102          {
 103   1      
 104   1        //unchar n;
 105   1        EX0=1;
 106   1        //EX1=1;
 107   1        EA=1;
 108   1        //dot=3;
 109   1        //for(n=0;n<8;n++)
 110   1        //distab[n]=n;
 111   1        display();
 112   1        while(1)
 113   1        { 
 114   2        if(flag)
 115   2        ADStart();
 116   2        //display();
 117   2        }
C51 COMPILER V7.06   191READ2                                                              07/28/2005 13:29:49 PAGE 3   

 118   1      }


MODULE INFORMATION:   STATIC OVERLAYABLE
   CODE SIZE        =    471    ----
   CONSTANT SIZE    =     21    ----
   XDATA SIZE       =   ----    ----
   PDATA SIZE       =   ----    ----
   DATA SIZE        =     17    ----
   IDATA SIZE       =   ----    ----
   BIT SIZE         =   ----    ----
END OF MODULE INFORMATION.


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