chuankouad.lst

用串口AD1649实现模数转化

C51 COMPILER V7.50   CHUANKOUAD                                                            08/12/2007 20:58:53 PAGE 1   


C51 COMPILER V7.50, COMPILATION OF MODULE CHUANKOUAD
OBJECT MODULE PLACED IN chuankouAD.OBJ
COMPILER INVOKED BY: D:\keil\C51\BIN\C51.EXE chuankouAD.c BROWSE DEBUG OBJECTEXTEND

line level    source

   1          #include<reg51.h>
   2          #include<stdio.h>
   3          #include<intrins.h> 
   4          #define uchar unsigned char
   5          #define uint  unsigned int
   6          sbit  clk = P3^3;        //ad_clk
   7          sbit  dout = P3^4;        //ad_dout
   8          sbit  cs = P3^5;        //ad_cs
   9          uint adc(void);            //ad convert
  10          void delay(uchar us);        //delay
  11          uchar code table[]={0x7e,0x30,0x6d,0x79,0x33,0x5b,0x1f,0x70,0x7f,0x73};//shumaxianshi
  12          uchar huanchong[]={0x00,0x01,0x02,0x03};
  13          uchar code xuan[4]={0x01,0x02,0x04,0x08};       
  14          uint result=0;   //the result of ad convert
  15          void dongxian()          //动显
  16           {   
  17   1        unsigned char b,i,j;
  18   1        for(i=0;i<4;i++)
  19   1                  {  P1=xuan[i];
  20   2                     b=huanchong[i];
  21   2                         P2=table[b]; 
  22   2                                 
  23   2                         for(j=255;j>0;j--);
  24   2                  }         
  25   1        }           
  26          void main()
  27          {  unsigned char a,b;
  28   1         float u1=0;
  29   1         P1=0x7f;
  30   1         while(1)
  31   1        {
  32   2         u1=adc();
  33   2         result=(5000*(u1))/(1024);
  34   2         huanchong[0]=result/1000;                                                                       
  35   2         a=result- huanchong[0]*1000;
  36   2         huanchong[1]=a/100;
  37   2         b=a-huanchong[1]*100;
  38   2         huanchong[2]=b/10;
  39   2         huanchong[3]=b- huanchong[2]*10;   
  40   2         dongxian();
  41   2         }      
  42   1      }
  43          uint adc(void)
  44          { 
  45   1        uint  u=0;
  46   1        uchar i;
  47   1        cs=1;
  48   1        _nop_();
  49   1        cs=0;
  50   1        for(i=0;i<10;i++)        //read data
  51   1         { 
  52   2           clk=0;
  53   2           u=(u<<1)|dout;
  54   2           clk=1;
  55   2           _nop_();      
C51 COMPILER V7.50   CHUANKOUAD                                                            08/12/2007 20:58:53 PAGE 2   

  56   2         }
  57   1        delay(2);            //delay 25us
  58   1        cs=1;
  59   1        return(u);            //return ad data
  60   1      }
  61          
  62          void delay(uchar us)        //delay time
  63          {while(us--);
  64   1      }


MODULE INFORMATION:   STATIC OVERLAYABLE
   CODE SIZE        =    213    ----
   CONSTANT SIZE    =     14    ----
   XDATA SIZE       =   ----    ----
   PDATA SIZE       =   ----    ----
   DATA SIZE        =      6       6
   IDATA SIZE       =   ----    ----
   BIT SIZE         =   ----    ----
END OF MODULE INFORMATION.


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