chuankou.lst

c51单片机 dac0832 ＬＭ３２４ 心电波形输出

C51 COMPILER V7.07   CHUANKOU                                                              04/26/2008 03:00:09 PAGE 1   


C51 COMPILER V7.07, COMPILATION OF MODULE CHUANKOU
OBJECT MODULE PLACED IN chuankou.OBJ
COMPILER INVOKED BY: C:\Keil\C51\BIN\C51.EXE chuankou.c BROWSE DEBUG OBJECTEXTEND

stmt level    source

   1           /* 
   2          DAC0832(c编程） 
   3          [ 2007-7-27 15:59:00 | By: 小刚 ] 
   4            
   5          DA0832测试程序
   6           用单片机输出一个数字波形输入到DAC里检测DAC硬件
   7           P2.7接DAC的CS端，P3.6接WR1, P0口接D
   8          \********************************************************/
   9          #include <AT89X51.H>
  10          #include <intrins.h>
  11          #include <absacc.h>
  12          
  13          #define uchar unsigned char
  14          #define data_OUT XBYTE[0x7fff]  // 数据输出口
  15          uchar flag;
  16           uchar  code table1[]={
  17          0 , 0 , 2  ,4 , 7 , 10 , 14 , 18  ,23  ,25  ,25 , 25 , 25 , 22 , 18 , 14 , 10,  6  ,2 ,
  18          0 , 0 , 0 , 0 , 0 , 0 , 0 , 0  ,0 , 0  ,0 , 0 , 0  ,0 , 0 , 0 , 1 , 3 , 5 , 7 , 9  ,11, 
  19          14 , 17 , 20 , 23 , 23,  23  ,23 , 20  ,16 , 12  ,8 , 4 , 0 , 0 , 0 , 1 , 1 , 1 , 2 , 2 ,
  20          2 , 6  ,10  ,15  ,20  ,25 , 27 , 27 , 27  ,27 , 25 , 23  ,19 ,15 , 11  ,7  ,3  ,0 , 0,
  21           0 , 0 , 0 , 0 , 0 , 0 , 0 , 0,  0 , 0 , 0,  2  ,5  ,8 , 12 , 16 , 20 , 25 , 25 , 25 , 25 , 
  22          24  ,24  ,22 , 23  ,22 , 21 , 20 , 19 , 18  ,17 , 15 , 14 , 12 , 8 , 4,  0,  0 , 1 , 1  ,2 ,
  23          2 , 6 , 9  ,13  ,17  ,21 , 26  ,26  ,26 , 22 , 17 , 12 , 7  ,3 , 0  ,0 , 0 , 0 , 0  ,0 , 2 ,
  24          4,  6 , 8  ,8 , 8 , 6 , 4 , 2 , 0,  0 , 0 , 0 , 0 , 0 , 0 , 0 , 0 , 0 , 0 , 0 , 0 , 0,  0,
  25          0  ,0 , 0 , 0 , 0 , 0  ,2 , 5 , 8  ,12,  16  ,20  ,26  ,28  ,28 , 28  ,26 , 24 , 22  ,20 ,
  26          18 , 16 , 14 , 11 , 8  ,5 , 3 , 1 , 0  ,0  ,0 , 0,  0,  0  ,0  ,0 , 0  ,0 , 0 , 0 , 0 , 0 ,
  27          1  ,3, 5,  8,  11 , 14  ,17  ,20 , 22 , 22  ,22  ,20 , 18  ,16 , 14  ,12  ,10 , 8 , 6  ,4 , 2 , 
  28          1,0 , 0  ,0,  0  ,0 , 0,  0 , 0  
  29           };
  30           uchar  code table2[]={
  31           0 , 1 , 1 , 2 , 2 , 3  ,3 , 4  ,4 , 5 , 5 , 5  ,4  ,4  ,3  ,3 , 2 , 2,  1 , 1,  0 ,0  ,0  ,5  ,10 , 20, 
  32           30 , 50 , 60  ,60  ,55 , 50  ,38 , 31 , 25 , 17  ,12 , 6 , 0,  0 , 0,  0,  0,  0  ,0,  1 , 1  ,1,
  33            1 , 1 , 2 , 2  ,2  ,3  ,3 , 3 , 4  ,4,  4 , 5 , 5 , 5 , 6 , 6 , 7 , 7  ,8 , 8 , 9 ,9 ,10, 10 , 11,
  34            11 , 12 , 12 , 13 , 13 , 13 , 13  ,12  ,11 , 10,  9,  8 , 7 , 6 , 5  ,4 , 3 , 3 , 1,  1,  0 , 0 , 0,11 
  35           };
  36          
  37          
  38          
  39          void delay(unsigned  int N)  
  40          {
  41   1       unsigned int i; 
  42   1       for(i=0;i<N;i++);
  43   1      
  44   1      }
  45          
  46          
  47          
  48          /****************************数字信号输出*******************/
  49          void conversion_once_0832(unsigned char out_data)
  50          {
  51   1       data_OUT = out_data; //输出数据
  52   1       delay(10);    //延时等待转换 
  53   1      }
  54          
  55          /****************************三角波信号(一个周期)**********/
C51 COMPILER V7.07   CHUANKOU                                                              04/26/2008 03:00:09 PAGE 2   

  56          //void triangle()
  57          //{
  58          // uchar k;
  59          // for(k=0;k<2000;k++)
  60          //  conversion_once_0832(k);
  61          // for(;k>0;k--)
  62          //  conversion_once_0832(k);
  63          //}
  64          
  65          /***************************方波信号(一个周期)***************/
  66          //void pulse()
  67          //{
  68          // conversion_once_0832(0xff);
  69          // delay(1000);
  70          // conversion_once_0832(0x00);
  71          // delay(1000);
  72          //}
  73          
  74          void main()
  75          {
  76   1        TMOD=0x02; 
  77   1        TH0=0x06; 
  78   1        TL0=0x06; 
  79   1        TR0=1; 
  80   1        ET0=1; 
  81   1        EA=1;
  82   1      
  83   1              
  84   1              
  85   1               while(1) 
  86   1          { 
  87   2         if(P1_0==0) 
  88   2              { 
  89   3                delay(1000);
  90   3                if(P1_0==0) 
  91   3                  { flag++;if(flag==4)flag=1;
  92   4                  
  93   4                   
  94   4                    while(P1_0==0); 
  95   4                  } 
  96   3              } 
  97   2      
  98   2      
  99   2              }
 100   1      }
 101          
 102          void t0(void) interrupt 1 using 0 
 103          { 
 104   1        unsigned int tcnt,i; 
 105   1        tcnt++; 
 106   1        if(tcnt==200) 
 107   1          { 
 108   2            tcnt=0; 
 109   2            if(flag==1)
 110   2            {P2=0xf5;
 111   3                conversion_once_0832(table1[i]);i++;
 112   3                     if(i==220)i=0;
 113   3               }
 114   2             if(flag==2)
 115   2               
 116   2              { P2=0x0f;
 117   3                conversion_once_0832(table2[i]);i++;
C51 COMPILER V7.07   CHUANKOU                                                              04/26/2008 03:00:09 PAGE 3   

 118   3                    if(i==100)i=0;
 119   3               }
 120   2      
 121   2               
 122   2           }
 123   1      }
 124          


MODULE INFORMATION:   STATIC OVERLAYABLE
   CODE SIZE        =    171    ----
   CONSTANT SIZE    =    334    ----
   XDATA SIZE       =   ----    ----
   PDATA SIZE       =   ----    ----
   DATA SIZE        =      1       2
   IDATA SIZE       =   ----    ----
   BIT SIZE         =   ----    ----
END OF MODULE INFORMATION.


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