real time clock.lst

8051单片机的LCDTV用户界面程序

C51 COMPILER V7.01  REAL_TIME_CLOCK                                                        09/19/2005 15:11:58 PAGE 1   


C51 COMPILER V7.01, COMPILATION OF MODULE REAL_TIME_CLOCK
OBJECT MODULE PLACED IN real time clock.OBJ
COMPILER INVOKED BY: d:\Keil\C51\BIN\C51.EXE real time clock.c BROWSE DEBUG OBJECTEXTEND

stmt level    source

   1          /*
   2             //*************************************************************************
   3             //
   4             //                  M X I C(ShenZhen)   P R O P R I E T A R Y
   5             //
   6             //           COPYRIGHT (c)   2005 BY MXIC SHENZHEN.
   7             //                     --  ALL RIGHTS RESERVED  --
   8             //
   9             // File Name:        Ti's 8050I Case.C
  10             // Created:          29 Aug.05 by AndyHu
  11             // Modified:
  12             // Revision:         1.0
  13             //
  14             //*************************************************************************
  15             //
  16             // 
  17             //*************************************************************************
  18          */
  19          #include <stdio.h>
  20          #include "mxREG52.h"
  21          #include "Define.h"
  22          #include "Mxic_IR.h"
  23          
  24          unsigned char second_flag = 0;
  25          unsigned char minite_flag = 0;
  26          unsigned char hour_flag = 0;
  27          extern  void    InitialTimer0(void);
  28          void    timer0_int(void);
  29          BYTE    WaitKey(void);
  30          extern  BYTE key;
  31          
  32          BYTE    WaitKey(void)
  33          {
  34   1              BYTE    press_key;
  35   1              press_key = P0 & 0x7F;                          // get press key from Port#0
  36   1              if (press_key != 0x7F)
  37   1              {
  38   2                      for (;;)                                                //wait all key release
  39   2                              if ((P0&0x7F)==0x7F)
  40   2                                      break;
  41   2              }
  42   1              else
  43   1                      press_key = 0;
  44   1              return (press_key);                                     //if not press key will return 0x00
  45   1      }
  46          
  47          void    InitialTimer0(void)
  48          {
  49   1              //set Timer0 for key scan
  50   1              TMOD=0x01;
  51   1              TH0=0xFC;
  52   1              TL0=0x1C;
  53   1              EA=1;
  54   1              TR0=1;
  55   1              ET0=1;
C51 COMPILER V7.01  REAL_TIME_CLOCK                                                        09/19/2005 15:11:58 PAGE 2   

  56   1      }
  57          
  58          void timer0_int( void ) interrupt 1   //about 1ms run into this interrup subrutine,about 100ms to scan the
             - key,
  59          {
  60   1              unsigned char i = 0,j = 0;
  61   1              if(i<=98)
  62   1              {       
  63   2              i++;
  64   2              }
  65   1              else
  66   1              {
  67   2                      i = 0;
  68   2                      key = WaitKey();
  69   2                      if(j<=9)
  70   2                      {       
  71   3                      j++;
  72   3                      }
  73   2                      else
  74   2                      {       j = 0;
  75   3                              if(second_flag <= 60)
  76   3                              {
  77   4                              second_flag++;          
  78   4                              }
  79   3                              else
  80   3                              {       second_flag = 0;
  81   4                                      if(minite_flag <= 60)
  82   4                                      {
  83   5                                      minite_flag++;
  84   5                                      }
  85   4                                      else
  86   4                                      {       minite_flag = 0;
  87   5                                              if(hour_flag <= 24)
  88   5                                              {
  89   6                                              hour_flag++;
  90   6                                              }
  91   5                                              else
  92   5                                              {       
  93   6                                              hour_flag = 0;
  94   6                                              }
  95   5                                      }
  96   4                              }
  97   3                      }
  98   2              }
  99   1      }
 100          
 101                          
 102                  
 103          


MODULE INFORMATION:   STATIC OVERLAYABLE
   CODE SIZE        =    128    ----
   CONSTANT SIZE    =   ----    ----
   XDATA SIZE       =   ----    ----
   PDATA SIZE       =   ----    ----
   DATA SIZE        =      4    ----
   IDATA SIZE       =   ----    ----
   BIT SIZE         =   ----    ----
END OF MODULE INFORMATION.


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