main1.lst

51编写的AD7714的测试程序

C51 COMPILER V7.20   MAIN1                                                                 07/20/2007 11:20:52 PAGE 1   


C51 COMPILER V7.20, COMPILATION OF MODULE MAIN1
OBJECT MODULE PLACED IN main1.OBJ
COMPILER INVOKED BY: C:\Keil\C51\BIN\C51.EXE main1.c BROWSE DEBUG OBJECTEXTEND

line level    source

   1          #include <reg51.h>
   2          #include <stdio.h>
   3          #include<stdlib.h>
   4          //#include"uart.c"
   5          #define uchar unsigned char
   6          #define uint  unsigned int
   7          #define WL 1
   8          #define h_filter 0x0cf
   9          #define l_filter 0xa0
  10          #define mode 0x20
  11          
  12          uchar data ad_data[3];
  13          //uint  data  ad_data[3];
  14          uchar data  sample[16][3];
  15          uchar bdata temp;
  16          sbit  ad_cs   = P1^1;
  17          sbit  ad_out  = P1^3;
  18          sbit  ad_in   = P1^4;
  19          sbit  ad_sclk = P1^0;
  20          sbit  ad_dr   = P1^2;
  21          
  22          sbit rest    = P1^5;
  23          
  24          sbit MSB = temp^7;
  25          sbit LSB = temp^0;
  26          
  27          void write_reg ( void )
  28          {
  29   1          uchar i;
  30   1          ad_cs = 1;
  31   1          ad_sclk = 0;
  32   1          ad_cs = 0;
  33   1          for (i=0;i<8;i++)
  34   1          {
  35   2              ad_in = MSB;
  36   2              ad_sclk = 1;
  37   2              ad_sclk = 0;
  38   2              temp<<=1;
  39   2          }
  40   1          ad_cs = 1;
  41   1      }
  42          void read_reg ( void )
  43          {
  44   1          uchar i,j;
  45   1          temp = 0;
  46   1          ad_cs = 1;
  47   1          ad_sclk = 0;
  48   1          ad_cs = 0;
  49   1          for (i=0;i<(2+WL);i++)
  50   1          {
  51   2              for( j=0;j<8;j++ )
  52   2              {
  53   3                  temp<<=1;
  54   3                  ad_sclk = 1;
  55   3                  ad_sclk = 0;
C51 COMPILER V7.20   MAIN1                                                                 07/20/2007 11:20:52 PAGE 2   

  56   3                  LSB = ad_out;
  57   3              }
  58   2              ad_data[i] = temp;
  59   2          }
  60   1      }
  61          void init_ad ( void )
  62          {
  63   1          temp = 0x26;
  64   1          write_reg ();/*写通信寄存器,下次写滤波高*/
  65   1          temp = h_filter;
  66   1          write_reg ();/*写滤波高寄存器*/
  67   1          temp = 0x36;
  68   1          write_reg ();/*写通信寄存器,下次写滤波低*/
  69   1          temp = l_filter;
  70   1          write_reg ();/*写滤波低寄存器*/
  71   1          temp = 0x16;
  72   1          write_reg ();/*写通信寄存器,下次写模式*/
  73   1          temp = mode;
  74   1          write_reg ();/*写模式寄存器*/
  75   1      }
  76          void rst_ad ( void )
  77          {
  78   1          uchar i;
  79   1          ad_cs = 1;
  80   1          ad_sclk = 0;
  81   1          ad_cs = 0;
  82   1          ad_in = 1;
  83   1          for ( i=0;i<40;i++ )
  84   1          {
  85   2              ad_sclk = 1;
  86   2              ad_sclk = 0;
  87   2          }
  88   1      }
  89          
  90          main()
  91          {
  92   1          uchar x;
  93   1         /* TMOD=0x22; //定时器1为工作模式2(8位自动重装)，0为模式2(8位远