C51 COMPILER V8.02   ADC0832                                                               08/08/2010 09:56:12 PAGE 1   


C51 COMPILER V8.02, COMPILATION OF MODULE ADC0832
OBJECT MODULE PLACED IN ADC0832.OBJ
COMPILER INVOKED BY: D:\Program Files\keilc51\C51\BIN\C51.EXE ADC0832.c ROM(COMPACT) OPTIMIZE(SIZE) DEBUG OBJECTEXTEND

line level    source

   1          /************************
   2          ADC0832實驗
   3          proteus仿真論壇：http://proteus.5d6d.com/
   4          ************************/
   5          #include <intrins.h>
   6          #include <at89x52.h>
   7          
   8          #define ulong unsigned long
   9          #define uint unsigned int
  10          #define uchar unsigned char
  11          
  12          sbit ADCS =P1^3;  //ADC0832 chip seclect
  13          sbit ADDI =P1^1;  //ADC0832 data in
  14          sbit ADDO =P1^1;  //ADC0832 data out
  15          sbit ADCLK =P1^0;  //ADC0832 clock signal
  16          
  17          unsigned int Adc0832(unsigned char channel);
  18          
  19          /************
  20          讀ADC0832函數
  21          ************/
  22          
  23          //采集并返回
  24          unsigned int Adc0832(unsigned char channel)
  25          {
  26   1              uchar i=0;
  27   1              uchar j;
  28   1              uint dat=0;
  29   1              uchar ndat=0;
  30   1      
  31   1              if(channel==0)channel=2;
  32   1              if(channel==1)channel=3;
  33   1              ADDI=1;
  34   1              _nop_();
  35   1              _nop_();
  36   1              ADCS=0;//拉低CS端
  37   1              _nop_();
  38   1              _nop_();
  39   1              ADCLK=1;//拉高CLK端
  40   1              _nop_();
  41   1              _nop_();
  42   1              ADCLK=0;//拉低CLK端,形成下降沿1
  43   1              _nop_();
  44   1              _nop_();
  45   1              ADCLK=1;//拉高CLK端
  46   1              ADDI=channel&0x1;
  47   1              _nop_();
  48   1              _nop_();
  49   1              ADCLK=0;//拉低CLK端,形成下降沿2
  50   1              _nop_();
  51   1              _nop_();
  52   1              ADCLK=1;//拉高CLK端
  53   1              ADDI=(channel>>1)&0x1;
  54   1              _nop_();
  55   1              _nop_();
C51 COMPILER V8.02   ADC0832                                                               08/08/2010 09:56:12 PAGE 2   

  56   1              ADCLK=0;//拉低CLK端,形成下降沿3
  57   1              ADDI=1;//控制命令結束 
  58   1              _nop_();
  59   1              _nop_();
  60   1              dat=0;
  61   1              for(i=0;i<8;i++)
  62   1              {
  63   2                      dat|=ADDO;//收數據
  64   2                      ADCLK=1;
  65   2                      _nop_();
  66   2                      _nop_();
  67   2                      ADCLK=0;//形成一次時鐘脈沖
  68   2                      _nop_();
  69   2                      _nop_();
  70   2                      dat<<=1;
  71   2                      if(i==7)dat|=ADDO;
  72   2              }  
  73   1              for(i=0;i<8;i++)
  74   1              {
  75   2                      j=0;
  76   2                      j=j|ADDO;//收數據
  77   2                      ADCLK=1;
  78   2                      _nop_();
  79   2                      _nop_();
  80   2                      ADCLK=0;//形成一次時鐘脈沖
  81   2                      _nop_();
  82   2                      _nop_();
  83   2                      j=j<<7;
  84   2                      ndat=ndat|j;
  85   2                      if(i<7)ndat>>=1;
  86   2              }
  87   1              ADCS=1;//拉低CS端
  88   1              ADCLK=0;//拉低CLK端
  89   1              ADDO=1;//拉高數據端,回到初始狀態
  90   1              dat<<=8;
  91   1              dat|=ndat;
  92   1              return(dat);            //return ad data
  93   1      }
  94          
  95          


MODULE INFORMATION:   STATIC OVERLAYABLE
   CODE SIZE        =    145    ----
   CONSTANT SIZE    =   ----    ----
   XDATA SIZE       =   ----    ----
   PDATA SIZE       =   ----    ----
   DATA SIZE        =   ----    ----
   IDATA SIZE       =   ----    ----
   BIT SIZE         =   ----    ----
END OF MODULE INFORMATION.


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