main.lst

我自己整理的单片机4*4键盘最简扫描算法

C51 COMPILER V7.00  MAIN                                                                   05/16/2007 10:42:12 PAGE 1   


C51 COMPILER V7.00, COMPILATION OF MODULE MAIN
OBJECT MODULE PLACED IN main.OBJ
COMPILER INVOKED BY: D:\Program Files\keil中文版\Keil\C51\BIN\C51.EXE main.c BROWSE DEBUG OBJECTEXTEND

stmt level    source

   1          #include <reg52.h>
   2          #include "type.h"
   3          #include "timer.h"
   4          #include "led.h"
   5          #include "keymatrix.h"
   6          UCHAR code LED_style[]={0X01,0X02,0X04,0X08,0X10,0X20,0X40,0X80};
   7          
   8          void Delay(UCHAR t )
   9          {
  10   1              unsigned int i;
  11   1              while(t--)
  12   1              {
  13   2                      for ( i = 0 ; i < 1000 ;i ++);
  14   2              }
  15   1      }
  16          
  17          void InitDevice()
  18          {
  19   1              InitTimer0();
  20   1              InitLED();
  21   1              EA = TRUE;
  22   1      }
  23          void LedStyle1(void)
  24          {
  25   1              UCHAR i,j;
  26   1              for ( i = 0 ; i < 3 ; i ++)
  27   1          {
  28   2                      for ( j =0 ; j < 8; j ++)
  29   2                      {
  30   3                              P1 = ~LED_style[j];
  31   3                              Delay(10);
  32   3                      }
  33   2              }
  34   1      }
  35          
  36          void LedStyle2(void)
  37          {
  38   1              UCHAR i,j;
  39   1              for ( i = 0 ; i < 3 ; i ++)
  40   1          {
  41   2                      P1 = 0XFF;
  42   2                      for ( j =0 ; j < 8; j ++)
  43   2                      {
  44   3                              P1 &= ~LED_style[j];
  45   3                              Delay(10);
  46   3                      }
  47   2              }
  48   1      }
  49          
  50          void main(void)
  51          {
  52   1              UCHAR rt;
  53   1              InitDevice();
  54   1              while(TRUE)
  55   1              {
C51 COMPILER V7.00  MAIN                                                                   05/16/2007 10:42:12 PAGE 2   

  56   2                      rt = getKey();
  57   2                      ShowByte(0,rt);
  58   2                      switch ( rt )
  59   2                      {
  60   3                              case KEY_0:
  61   3                                      LedStyle1();
  62   3                                      break;
  63   3                              case KEY_1:
  64   3                                      LedStyle2();
  65   3                                      break;
  66   3                      }
  67   2              }
  68   1      }
  69          
  70          


MODULE INFORMATION:   STATIC OVERLAYABLE
   CODE SIZE        =    125    ----
   CONSTANT SIZE    =      8    ----
   XDATA SIZE       =   ----    ----
   PDATA SIZE       =   ----    ----
   DATA SIZE        =   ----       1
   IDATA SIZE       =   ----    ----
   BIT SIZE         =   ----    ----
END OF MODULE INFORMATION.


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