rtc.lst

这是购买周立功的试验箱时候松的源代码。很经典的代码。希望学习单片机的朋友好好研究。短小精悍。有意思。这是第三部分。后面还有好多。不知道管理员能否让我通过？

C51 COMPILER V7.07   RTC                                                                   03/21/2004 15:05:35 PAGE 1   


C51 COMPILER V7.07, COMPILATION OF MODULE RTC
OBJECT MODULE PLACED IN rTC.OBJ
COMPILER INVOKED BY: d:\Keil\C51\BIN\C51.EXE rTC.C BROWSE INTVECTOR(0X8000) DEBUG OBJECTEXTEND

stmt level    source

   1          #include        "reg52.h"
   2          #include        "VIiC_C51.H"    //包含VI2C软件包
   3          
   4          #define PCF8563 0xA2    //定义器件地址
   5          #define WRADDR  0x00    //定义写单元首地址
   6          #define RDADDR  0x02    //定义读单元首地址
   7          
   8          unsigned char DelayNS(unsigned char  no)
   9          { 
  10   1              unsigned char  i,j;                                     //延时参数
  11   1      
  12   1              for(; no>0; no--)
  13   1              { 
  14   2                      for(i=0; i<100; i++)
  15   2                      for(j=0; j<100; j++);
  16   2              }
  17   1              return 0; 
  18   1      }
  19          void    main()
  20          {
  21   1              unsigned char td[5]={0x00,0x12,0x00,0x30,0x12}; //定义初始化字
  22   1              unsigned char rd[5];    //定义接收缓冲区
  23   1              ISendStr(PCF8563,WRADDR,td,0x5);        //初始化PCF8563,如果需要的话可以不去掉
  24   1              DelayNS(10);
  25   1              while(1)
  26   1              {
  27   2              IRcvStr(PCF8563,RDADDR,rd,0x3); //读现在的时、分、秒
  28   2              DelayNS(10);
  29   2              }
  30   1      }


MODULE INFORMATION:   STATIC OVERLAYABLE
   CODE SIZE        =     87    ----
   CONSTANT SIZE    =      5    ----
   XDATA SIZE       =   ----    ----
   PDATA SIZE       =   ----    ----
   DATA SIZE        =   ----      10
   IDATA SIZE       =   ----    ----
   BIT SIZE         =   ----    ----
END OF MODULE INFORMATION.


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