ad0809.lst

0809AD转换

C51 COMPILER V7.06   AD0809                                                                06/05/2007 21:54:27 PAGE 1   


C51 COMPILER V7.06, COMPILATION OF MODULE AD0809
OBJECT MODULE PLACED IN AD0809.OBJ
COMPILER INVOKED BY: d:\Keil\C51\BIN\C51.EXE AD0809.C BROWSE DEBUG OBJECTEXTEND

stmt level    source

   1          //-----------------------函数声明，变量定义--------------------------------------------------------
   2          #include <AT89X51.H>
   3          #define   CH0 XBYTE[0x7FF8]
   4          //-----------------------定义寻址的基址--------------------------------------------------------
   5          #define base_Adr  0x7FF8   
   6          //-----------------------定义地址指针，指向基址--------------------------------------------------------
   7          unsigned char xdata *CH_base_Adr = base_Adr;
   8          //--------------------------------------------------------------------------------------------------
   9          // 函数名称： delay
  10          // 入口参数： N
  11          // 函数功能：延时子程序，实现(16*N+24)us的延时 
  12          // 系统采用11.0592MHz的时钟时,延时满足要求,其它情况需要改动
  13          //--------------------------------------------------------------------------------------------------
  14            void delay(unsigned  int N)  
  15            {
  16   1        int i; 
  17   1        for(i=0;i<N;i++);
  18   1        }
  19          //------------------------------------------------------------------------------------------------------
  20          // 函数名称 read_oneCH 
  21          // 入口函数 CH_num通道号码（0~7）
  22          // 出口函数 返回AD转换的值
  23          // 函数功能 写外部数据存储区
  24          //------------------------------------------------------------------------------------------------------
  25          unsigned char read_oneCH(unsigned char CH_num)
  26                     {
  27   1                          unsigned char ADC_data;
  28   1                              *(CH_base_Adr+ CH_num)=0;
  29   1                  delay(0);
  30   1                  ADC_data= *( CH_base_Adr+ CH_num);
  31   1                              return(ADC_data);
  32   1                  }
  33          //------------------------------------------------------------------------------------------------------
  34          // 函数名称 main
  35          // 函数功能 依次采集8个通道的电压信号
  36          //------------------------------------------------------------------------------------------------------
  37          void main()
  38                   {
  39   1                       float m;
  40   1                       unsigned char i;
  41   1               unsigned char j,n;
  42   1               unsigned char data1[]={0xBF,0x86,0xDB,0xCF,0xE6,0xED,0xFD,0x87,0xFF,0xEF};//带点
  43   1               unsigned char data2[]={0x3F,0x06,0x5B,0x4F,0x66,0x6D,0x7D,0x07,0x7F,0x6F};//不带点0 1 2 3 4 5 6 7
             - 8 9
  44   1                       for(i=0;i<80;i++)
  45   1                       {m=read_oneCH(0);
  46   2                 m=m*0.02;
  47   2                         m=m*10;
  48   2                 n=m;
  49   2                 j= n%10;
  50   2                         n=n/10;
  51   2                       P3=data1[n];
  52   2                        P1_6=0;
  53   2                        P1_7=1;
  54   2                       delay(2500);
C51 COMPILER V7.06   AD0809                                                                06/05/2007 21:54:27 PAGE 2   

  55   2                        P1_6=1;
  56   2                        P1_7=0;
  57   2                P3=data2[j];
  58   2                 delay(2500);
  59   2                       }
  60   1                   }


MODULE INFORMATION:   STATIC OVERLAYABLE
   CODE SIZE        =    206    ----
   CONSTANT SIZE    =     20    ----
   XDATA SIZE       =   ----    ----
   PDATA SIZE       =   ----    ----
   DATA SIZE        =      2      25
   IDATA SIZE       =   ----    ----
   BIT SIZE         =   ----    ----
END OF MODULE INFORMATION.


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