kbscan.lst

基于C51的通用人机界面程序

C51 COMPILER V7.08   KBSCAN                                                                10/28/2005 09:08:25 PAGE 1   


C51 COMPILER V7.08, COMPILATION OF MODULE KBSCAN
OBJECT MODULE PLACED IN KbScan.OBJ
COMPILER INVOKED BY: d:\Keil\C51\BIN\C51.EXE KbScan.c BROWSE DEBUG OBJECTEXTEND

line level    source

   1          
   2          /*============================================================*/
   3          /*            KbScan(),键盘扫描程序                           */
   4          /*============================================================*/
   5          //P0.4~7行扫描输出，P0.0~3列检测输入
   6          
   7          #include "reg51.h"
   8          #define uchar unsigned char
   9          uchar kbscan(void)
  10          {
  11   1              uchar sccode,recode;
  12   1              P0=0x0f;
  13   1              if((P0&0x0f)!=0x0f)
  14   1              {
  15   2                      dlms();
*** WARNING C206 IN LINE 15 OF KBSCAN.C: 'dlms': missing function-prototype
  16   2                      if((P0&0x0f)!=0x0f)
  17   2                      {
  18   3                              sccode=0xfe;
  19   3      
  20   3                              
  21   3                      }
  22   2              }
  23   1              else
  24   1              return(0);
  25   1      }
*** WARNING C280 IN LINE 11 OF KBSCAN.C: 'recode': unreferenced local variable


MODULE INFORMATION:   STATIC OVERLAYABLE
   CODE SIZE        =     29    ----
   CONSTANT SIZE    =   ----    ----
   XDATA SIZE       =   ----    ----
   PDATA SIZE       =   ----    ----
   DATA SIZE        =   ----       2
   IDATA SIZE       =   ----    ----
   BIT SIZE         =   ----    ----
END OF MODULE INFORMATION.


C51 COMPILATION COMPLETE.  2 WARNING(S),  0 ERROR(S)