wdt.lst

16C554VX1128MAX4359-MAX4456P89LPC952 驱动开发

C51 COMPILER V8.02   WDT                                                                   05/15/2008 11:56:36 PAGE 1   


C51 COMPILER V8.02, COMPILATION OF MODULE WDT
OBJECT MODULE PLACED IN wdt.OBJ
COMPILER INVOKED BY: D:\软件安装路径\C51\BIN\C51.EXE wdt.c BROWSE DEBUG OBJECTEXTEND

line level    source

   1          #include <REG952.H>
   2          
   3          //*****************************
   4          //看门狗初始化子程序
   5          //注意初始化后启动看门狗
   6          //*****************************
   7          void init_wdt()
   8          {
   9   1              
  10   1              WDL = 0x7F; //设置8位倒计时器初值         WDL = 0xFF,则2.62秒溢出
  11   1              WDCON = WDCON|0x04; //启动WDT  
  12   1      //      WDCON = WDCON&0xCf;     //改变PRE2~PRE0的值
  13   1              WFEED1 = 0xA5; //清零第一部分
  14   1              WFEED2 = 0x5A; //清零第二部分
  15   1      }
  16          //*****************************
  17          //喂狗子程序
  18          //注意程序中开启中断
  19          //*****************************
  20          void clrwdt()
  21          {
  22   1              EA = 0; //关闭中断
  23   1              WFEED1 = 0xA5; //执行清零第一部分
  24   1              WFEED2 = 0x5A; //执行清零第二部分
  25   1              EA = 1; //开中断
  26   1      }


MODULE INFORMATION:   STATIC OVERLAYABLE
   CODE SIZE        =     24    ----
   CONSTANT SIZE    =   ----    ----
   XDATA SIZE       =   ----    ----
   PDATA SIZE       =   ----    ----
   DATA SIZE        =   ----    ----
   IDATA SIZE       =   ----    ----
   BIT SIZE         =   ----    ----
END OF MODULE INFORMATION.


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