text1.lst

51编写的AD7714的测试程序

C51 COMPILER V7.20   TEXT1                                                                 09/11/2007 09:34:30 PAGE 1   


C51 COMPILER V7.20, COMPILATION OF MODULE TEXT1
OBJECT MODULE PLACED IN Text1.OBJ
COMPILER INVOKED BY: C:\Keil\C51\BIN\C51.EXE Text1.c BROWSE DEBUG OBJECTEXTEND

line level    source

   1          #include <reg51.h>
   2          #define uchar unsigned char
   3          #define WL 1
   4          #define h_filter 0xcf
   5          #define l_filter 0xa0
   6          #define mode 0x20
   7          
   8          uchar data ad_data[3];
   9          uchar data sample[16][3];
  10          uchar bdata temp;
  11          sbit  ad_cs   = P1^1;
  12          sbit  ad_out  = P1^3;
  13          sbit  ad_in   = P1^4;
  14          sbit  ad_sclk = P1^0;
  15          sbit  ad_dr   = P1^2;
  16          
  17          sbit MSB = temp^7;
  18          sbit LSB = temp^0;
  19          
  20          void delay(unsigned int k)
  21          {
  22   1            for(;k>0;k--){;}
  23   1      }
  24          
  25          void write_reg ( void )
  26          {
  27   1          uchar i;
  28   1          ad_cs = 1;
  29   1          ad_sclk = 0;
  30   1          ad_cs = 0;
  31   1          for (i=0;i<8;i++)
  32   1          {
  33   2              ad_in = MSB;
  34   2              ad_sclk = 1;
  35   2              ad_sclk = 0;
  36   2              temp<<=1;
  37   2          }
  38   1          ad_cs = 1;
  39   1      }
  40          void read_reg ( void )
  41          {
  42   1          uchar i,j;
  43   1          temp = 0;
  44   1          ad_cs = 1;
  45   1          ad_sclk = 0;
  46   1          ad_cs = 0;
  47   1          for (i=0;i<(2+WL);i++)
  48   1          {
  49   2              for( j=0;j<8;j++ )
  50   2              {
  51   3                  temp<<=1;
  52   3                  ad_sclk = 1;
  53   3                  ad_sclk = 0;
  54   3                  LSB = ad_out;
  55   3              }
C51 COMPILER V7.20   TEXT1                                                                 09/11/2007 09:34:30 PAGE 2   

  56   2              ad_data[i] = temp;
  57   2          }
  58   1      }
  59          void init_ad ( void )
  60          {
  61   1          temp = 0x26;
  62   1          write_reg ();/*写通信寄存器,下次写滤波高*/
  63   1          temp = h_filter;
  64   1          write_reg ();/*写滤波高寄存器*/
  65   1          temp = 0x36;
  66   1          write_reg ();/*写通信寄存器,下次写滤波低*/
  67   1          temp = l_filter;
  68   1          write_reg ();/*写滤波低寄存器*/
  69   1          temp = 0x16;
  70   1          write_reg ();/*写通信寄存器,下次写模式*/
  71   1          temp = mode;
  72   1          write_reg ();/*写模式寄存器*/
  73   1      }
  74          void rst_ad ( void )
  75          {
  76   1          uchar i;
  77   1          ad_cs = 1;
  78   1          ad_sclk = 0;
  79   1          ad_cs = 0;
  80   1          ad_in = 1;
  81   1          for ( i=0;i<40;i++ )
  82   1          {
  83   2              ad_sclk = 1;
  84   2              ad_sclk = 0;
  85   2          }
  86   1      }
  87          
  88          
  89          main()
  90          {
  91   1          //uchar x;
  92   1               unsigned char i,a[3]={'0','0','0'};
  93   1      //      TMOD=0x20;
  94   1      //      TL1=0xfd;TH1=0xfd;
  95   1      //      SCON=0xd8;PCON=0x00;
  96   1      //      TR1=1;
  97   1         // rst_ad ();
  98   1      //bee:    init_ad ();
  99   1          //for ( x=0;x<10; x++ )
 100   1                         
 101   1               rst_ad ();   
 102   1      
 103   1      while(1)
 104   1      {       
 105   2              
 106   2       
 107   2              init_ad ();
 108   2              temp = 0x5e;
 109   2              write_reg ();
 110   2                       while ( ad_dr );
 111   2              read_reg ();
 112   2      //              for(i=0;i<3;i++)
 113   2              //      {
 114   2              //              SBUF=ad_data[i];
 115   2                //      while(TI==0);
 116   2                //      TI=0;
 117   2              //      }
C51 COMPILER V7.20   TEXT1                                                                 09/11/2007 09:34:30 PAGE 3   

 118   2      delay(50000);
 119   2      delay(50000);
 120   2      //delay(50000);
 121   2              
 122   2          }
 123   1        //  goto bee;
 124   1      }
*** WARNING C280 IN LINE 92 OF TEXT1.C: 'i': unreferenced local variable


MODULE INFORMATION:   STATIC OVERLAYABLE
   CODE SIZE        =    195    ----
   CONSTANT SIZE    =      3    ----
   XDATA SIZE       =   ----    ----
   PDATA SIZE       =   ----    ----
   DATA SIZE        =     52       4
   IDATA SIZE       =   ----    ----
   BIT SIZE         =   ----    ----
END OF MODULE INFORMATION.


C51 COMPILATION COMPLETE.  1 WARNING(S),  0 ERROR(S)