key.lst

2008年山东省大学生电子设计大赛 c题 多功能电子计价秤 单片机用的 c8051f005

C51 COMPILER V7.20   KEY                                                                   09/18/2008 18:08:21 PAGE 1   


C51 COMPILER V7.20, COMPILATION OF MODULE KEY
OBJECT MODULE PLACED IN key.OBJ
COMPILER INVOKED BY: D:\Keil\C51\BIN\C51.EXE key.c LARGE BROWSE DEBUG OBJECTEXTEND

line level    source

   1          #include "include.h"
   2          
   3          uchar scan_key()
   4          {       
   5   1              uchar i,t;      
   6   1              for(i=1;i<0x10;i<<=1)
   7   1              {
   8   2                      KB=~i;
   9   2                      delayus();
  10   2                      t=KB;
  11   2                      if(t!=~i)
  12   2                      {
  13   3                              delay_ms(20);                           //延时扫描两次消抖
  14   3                              if(t==KB)
  15   3                                      while(KB!=~i);
  16   3                                      switch(t)
  17   3                                      {
  18   4                                              case 0xEE:return 7;
  19   4                                          case 0xDE:return 8;
  20   4                                              case 0xBE:return 9;
  21   4                                              case 0x7E:return 0x0D;
  22   4                                              case 0xED:return 4;
  23   4                                              case 0xDD:return 5;
  24   4                                              case 0xBD:return 6;
  25   4                                              case 0x7D:return 0X0E;
  26   4                                              case 0xEB:return 1;
  27   4                                              case 0xDB:return 2;
  28   4                                              case 0xBB:return 3;
  29   4                                              case 0x7B:return 0X0F;
  30   4                                              case 0xE7:return 0;
  31   4                                              case 0xD7:return 0X0A;
  32   4                                              case 0xB7:return 0X0B;
  33   4                                              case 0x77:return 0X0C;
  34   4                                      }
  35   3                                      
  36   3                      }
  37   2              }
  38   1              return 0xff;
  39   1      }
  40          
  41          
  42          
  43          //--------------------------------------------
  44          //按键输入一个数 屏显在wordx wordy位置
  45          //按F键结束输入
  46          //返回一个浮点数
  47          //--------------------------------------------
  48          float input_float(uchar wordx,uchar wordy)
  49          {
  50   1              float num=0,i=1;
  51   1              uchar d=0,key;
  52   1              lcd_clr_page(0,32,80);
  53   1              for(;;)                                         
  54   1              {
  55   2                      do
C51 COMPILER V7.20   KEY                                                                   09/18/2008 18:08:21 PAGE 2   

  56   2                      {
  57   3                              key=scan_key();
  58   3                      }while(key>0x0b);
  59   2                      lcd_display_one_num(wordx,wordy,key);
  60   2                      if(key==0x0b)break;                                     //当上次按键是b时结束输入
  61   2                      else if(key==0x0a)
  62   2                      {
  63   3                              d=1;                                                    //切换为小数部分
  64   3                              i=10;
  65   3                      }
  66   2                      else
  67   2                      {
  68   3                              if(d==0)                                                //整数部分
  69   3                              {
  70   4                                      num=num*10+key;
  71   4                                      
  72   4                              }
  73   3                              else                                                    //小数
  74   3                              {
  75   4                                      num+=(float)key/i;
  76   4                                      i*=10;
  77   4                              }
  78   3                      }
  79   2                      wordx+=8;
  80   2              }
  81   1      
  82   1              return num;
  83   1      }
*** WARNING C316 IN LINE 83 OF key.c: unterminated conditionals


MODULE INFORMATION:   STATIC OVERLAYABLE
   CODE SIZE        =    473    ----
   CONSTANT SIZE    =   ----    ----
   XDATA SIZE       =   ----      14
   PDATA SIZE       =   ----    ----
   DATA SIZE        =   ----    ----
   IDATA SIZE       =   ----    ----
   BIT SIZE         =   ----    ----
END OF MODULE INFORMATION.


C51 COMPILATION COMPLETE.  1 WARNING(S),  0 ERROR(S)