led.lst

一个基于51单片机的定时报警设计电路及程序

C51 COMPILER V7.08   LED                                                                   03/17/2008 09:53:11 PAGE 1   


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

line level    source

   1          #include <reg52.h>
   2          
   3          unsigned char zimo[10]={0xc0,0xf9,0xa4,0xb0,    // 0, 1, 2, 3
   4                                          0x99,0x92,0x82,0xf8,0x80,0x90};// 4, 5, 6, 7, 8, 9
   5          unsigned char disflag[4]={0xfe,0xfd,0xfb,0xf7};
   6          unsigned char disbuf[4];
   7          unsigned char n;
   8          unsigned char flag;
   9          unsigned char key;
  10          unsigned char KeyDelaytime;
  11          unsigned char Key_v;
  12          unsigned char Keystate;
  13          #define KEY_DELAY_TIME 10
  14          #define KEY_IDEL 0x00
  15          #define KEY_DELAY 0x01
  16          #define WAIT_KEY_OPEN 0x02
  17          sbit    AN1 = P3^2;
  18          sbit    AN2 = P3^3;
  19          
  20          void scan_key()
  21          {
  22   1              switch(Keystate)
  23   1              {
  24   2                      case KEY_IDEL :
  25   2                              P3=0xff;
  26   2                              Key_v=AN1;
  27   2                              if((Key_v&0x01)==0)
  28   2                              {
  29   3                                      Keystate=KEY_DELAY;
  30   3                                      KeyDelaytime=0;
  31   3                              }
  32   2                      break;
  33   2                      case KEY_DELAY :
  34   2                              if(KeyDelaytime>=KEY_DELAY_TIME)
  35   2                              {
  36   3                                      P3=0xff;
  37   3                                      Key_v=AN1;
  38   3                                      if((Key_v&0x01)==0)
  39   3                                      {
  40   4                                              key++;
  41   4                                              if(key==6)key=0;
  42   4                                              Keystate=WAIT_KEY_OPEN;
  43   4                                      }
  44   3                                      else
  45   3                                      {
  46   4                                              Keystate=KEY_IDEL;
  47   4                                      }
  48   3                              }
  49   2                      break;
  50   2                      case WAIT_KEY_OPEN :
  51   2                              P3=0xff;
  52   2                              Key_v=AN1;
  53   2                              if(Key_v&0x01)Keystate=KEY_IDEL;
  54   2                      break;
  55   2      }
C51 COMPILER V7.08   LED                                                                   03/17/2008 09:53:11 PAGE 2   

  56   1                              
  57   1                              
  58   1      }
  59          int main()
  60          {
  61   1              unsigned char i;
  62   1              P0 = 0xff;
  63   1              P2 = 0xff;
  64   1              TMOD = 0x01;
  65   1              TH0 = 0xfc;
  66   1              TL0 = 0x18;
  67   1              IE = 0x82;
  68   1              key=0;
  69   1              flag=0;
  70   1              n=0;
  71   1              for(i=0;i<4;i++)
  72   1              {
  73   2                      disbuf[i]=zimo[i];
  74   2              }
  75   1              TR0=1;
  76   1              while(1)
  77   1              {
  78   2                      scan_key();
  79   2              }
  80   1              return 0;
  81   1      }
  82          
  83          void timer0(void) interrupt 1
  84          {
  85   1              TH0=0xfc;
  86   1              TL0=0x18;
  87   1              KeyDelaytime++;
  88   1              if(flag<key+1)
  89   1              {
  90   2                      P0=disbuf[n];
  91   2                      P2=disflag[n];
  92   2               }
  93   1              else
  94   1              {
  95   2                      P2=0xff;
  96   2                      P0=0;
  97   2               }
  98   1               flag++;
  99   1               if(flag==6)
 100   1               {
 101   2                      n++;
 102   2                      if(n==4)
 103   2                      {
 104   3                              n=0;
 105   3                      }
 106   2                      flag=0;
 107   2              }
 108   1      }


MODULE INFORMATION:   STATIC OVERLAYABLE
   CODE SIZE        =    226    ----
   CONSTANT SIZE    =   ----    ----
   XDATA SIZE       =   ----    ----
   PDATA SIZE       =   ----    ----
   DATA SIZE        =     24    ----
   IDATA SIZE       =   ----    ----
C51 COMPILER V7.08   LED                                                                   03/17/2008 09:53:11 PAGE 3   

   BIT SIZE         =   ----    ----
END OF MODULE INFORMATION.


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