common_fun.lst

基于Mini51板的数字示波器设计

C51 COMPILER V8.02   COMMON_FUN                                                            01/10/2009 20:00:41 PAGE 1   


C51 COMPILER V8.02, COMPILATION OF MODULE COMMON_FUN
OBJECT MODULE PLACED IN common_fun.OBJ
COMPILER INVOKED BY: C:\Keil\C51\BIN\C51.EXE common_fun.c BROWSE DEBUG OBJECTEXTEND

line level    source

   1          #include "common_fun.h"
   2          #include "Mini51b.h"
   3          
   4          void delay(unsigned int t)
   5          {  
   6   1        while(t--);
   7   1        //测量如下：
   8   1        //delay(1);//15.2us
   9   1        //delay(2);//20.2us
  10   1        //delay(5);//34.8us
  11   1        //delay(10);//59.2us
  12   1        //delay(20);//108us
  13   1        //delay(50);//256us
  14   1        //delay(100);//500us
  15   1        //delay(200);//984us
  16   1        //delay(500);//2460us
  17   1        //delay(1000);//4880us
  18   1        //delay(2000);//9760us
  19   1        //delay(5000);//24400us
  20   1      }
  21          
  22          //延时nms子程序，
  23          void delay_ms(unsigned int n)
  24          {
  25   1           unsigned char j;
  26   1           while(n--)
  27   1           for(j=0;j<230;j++);//230是实验测试所得！
  28   1      }
  29          /*
  30          
  31          参数n>0;
  32          延时    1ms：delay_ms(1);
  33          延时  11ms：delay_ms(11);
  34          延时123ms：delay_ms(123);
  35          延时155ms：delay_ms(155);
  36          */
  37          
  38          
  39          /*/一般常用通用延时函数
  40          void delay(unsigned char t)
  41          {  
  42              while(t--);
  43          }
  44          
  45          测量如下：
  46            //delay(1);//10.88us
  47            //delay(2);//14us
  48            //delay(5);//23.8us
  49            //delay(10);//40us
  50            //delay(20);//72.8us
  51            //delay(50);//170us
  52            //delay(100);//332us
  53            //delay(200);//656us
  54            //delay(250);//824us
  55          
C51 COMPILER V8.02   COMMON_FUN                                                            01/10/2009 20:00:41 PAGE 2   

  56           */
  57          
  58           /*调试用*/
  59          //通用数码管显示函数，传入数据0～9999
  60          void seg7_disp(uint number)
  61          {
  62   1              unsigned char code tab1[20]= {0xc0,0xf9,0xa4,0xb0,0x99,0x92,0x82,0xf8,0x80,0x90,};
  63   1              unsigned char temp,flag=0;
  64   1      
  65   1              if(number < 10000)
  66   1              {               
  67   2                      //千位数码管
  68   2                      temp = number/1000%10;
  69   2                      if (temp) {
  70   3                              SEG_Q = tab1[temp];
  71   3                              flag = 1;       
  72   3                      }
  73   2                      else {
  74   3                              SEG_Q = 0xff;//数码管熄灭
  75   3                              flag = 0;       
  76   3                      }
  77   2      
  78   2                      //百位数码管
  79   2                      temp = number/100%10;   
  80   2                      if(flag | temp) {
  81   3                              SEG_B = tab1[temp];
  82   3                              flag = 1;       
  83   3                      }
  84   2                      else {
  85   3                              SEG_B = 0xff;//数码管熄灭
  86   3                              flag = 0;       
  87   3                      }                                       
  88   2                      
  89   2                      //十位数码管
  90   2                      temp = number/10%10;
  91   2                      if(flag | temp) SEG_S = tab1[temp];             
  92   2                      else SEG_S = 0xff;//数码管熄灭          
  93   2                      
  94   2                      //个位数码管
  95   2                      temp = number%10;       
  96   2                      SEG_G = tab1[temp];
  97   2              }
  98   1              else {
  99   2                      SEG_Q = 0xbf;//"-"
 100   2                      SEG_B = 0xbf;
 101   2                      SEG_S = 0xbf;
 102   2                      SEG_G = 0xbf;   
 103   2              } 
 104   1      }


MODULE INFORMATION:   STATIC OVERLAYABLE
   CODE SIZE        =    213    ----
   CONSTANT SIZE    =     20    ----
   XDATA SIZE       =   ----    ----
   PDATA SIZE       =   ----    ----
   DATA SIZE        =   ----       2
   IDATA SIZE       =   ----    ----
   BIT SIZE         =   ----    ----
END OF MODULE INFORMATION.


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