max197.lst

12位AD转换器MAX197的程序

C51 COMPILER V6.12  MAX197                                                                 09/27/2007 18:49:28 PAGE 1   


C51 COMPILER V6.12, COMPILATION OF MODULE MAX197
OBJECT MODULE PLACED IN .\max197.OBJ
COMPILER INVOKED BY: d:\Keil\C51\BIN\C51.EXE .\max197.c DEBUG OBJECTEXTEND

stmt level    source

   1          #include <reg51.h>          //头文件的包含
   2          #include <intrins.h>
   3          #include <absacc.h>
   4          #include <stdio.h>
   5          #include <math.h>
   6          #define adch0 XBYTE [0x6000]
   7          sbit ADINT=P3^3;
   8          sbit HBEN=P1^2;
   9          
  10          unsigned char CH0DataL,CH0DataH;
  11          void delay(unsigned char ms);
  12          
  13          
  14          /*void  int1svr(void) interrupt 2 using 1
  15          { 
  16            EX1=0;//关中断
  17               adch0=0x48;
  18          	 // P0=0xff;
  19                while(ADINT!=0)
  20                   {             //当转换完时，现设置HBEN=0,即先读低位
  21                     HBEN=0;
  22          			  }
  23                     
  24                    CH0DataL=adch0;
  25                     HBEN=1;
  26                  CH0DataH=adch0&0x0f;
  27                        HBEN=0;
  28                       EX1=1;
  29               
  30          	}*/
  31          
  32          void delay(unsigned char ms)
  33          {							// 延时子程序
  34   1      	unsigned char i;
  35   1      	while(ms--)
  36   1      	{
  37   2      		for(i = 0;i<250;i++)
  38   2      		{
  39   3      			_nop_();
  40   3      			_nop_();
  41   3      			_nop_();
  42   3      			_nop_();
  43   3      		}
  44   2      	}
  45   1      }
  46          
  47          
  48          void main()
  49          { TMOD=0x20;
  50   1        TH1=0xfd;
  51   1        TL1=0xfd;
  52   1        //TCON=0x40;
  53   1         SCON=0x50;
  54   1         TR1=1;
  55   1         //A=0X01;
C51 COMPILER V6.12  MAX197                                                                 09/27/2007 18:49:28 PAGE 2   

  56   1         //B=0X02;
  57   1        // C=0X03;
  58   1      while(1)
  59   1         { adch0=0x48;
  60   2      	  // delay(2);
  61   2      	  while(ADINT!=0)
  62   2               {             //当转换完时，现设置HBEN=0,即先读低位
  63   3                 HBEN=0;
  64   3      			  }
  65   2      
  66   2           HBEN=0;
  67   2           CH0DataL=adch0;
  68   2           HBEN=1;
  69   2           CH0DataH=adch0&0x0f;
  70   2          delay(2);
  71   2          SBUF=0XFF;
  72   2           while(TI==0);
  73   2           TI=0; 
  74   2      	  SBUF=CH0DataH;
  75   2          while(TI==0);
  76   2          TI=0; 
  77   2          SBUF=CH0DataL;
  78   2          while(TI==0);
  79   2          TI=0; 
  80   2          
  81   2      }
  82   1      //EA=0;
  83   1       //  delay(2);
  84   1      //   EA=1;
  85   1       //  EX1=1;//打开外部中断1
  86   1       
  87   1      }


MODULE INFORMATION:   STATIC OVERLAYABLE
   CODE SIZE        =     95    ----
   CONSTANT SIZE    =   ----    ----
   XDATA SIZE       =   ----    ----
   PDATA SIZE       =   ----    ----
   DATA SIZE        =      2    ----
   IDATA SIZE       =   ----    ----
   BIT SIZE         =   ----    ----
END OF MODULE INFORMATION.


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