up51s006.lst

UP51C开发板所有源代码

C51 COMPILER V7.08   UP51S006                                                              12/13/2004 09:47:09 PAGE 1   


C51 COMPILER V7.08, COMPILATION OF MODULE UP51S006
OBJECT MODULE PLACED IN up51s006.OBJ
COMPILER INVOKED BY: C:\KEIL\C51\BIN\C51.EXE up51s006.C BROWSE DEBUG OBJECTEXTEND

line level    source

   1          /*******************************************************************************
   2          *                                                                              *
   3          *    File       : uP51s006.c                                                   *
   4          *    Date       : 2004-9-5                                                     *
   5          *    Version    : 1.0                                                          *
   6          *                                                                              *
   7          *    Author     : kevin           [e-mail]                               *
   8          *    Company    : Http://www.dz51.com                                          *
   9          *                                                                              *
  10          ********************************************************************************
  11          *    Descriptoon:                                                              *
  12          *                 AT89S51/52片内看门狗使用示例                                 *
  13          *                                                                              *
  14          *                                                                              *
  15          *                                                                              *
  16          *                                                                              *
  17          *                                                                              *
  18          *******************************************************************************/
  19          #include <reg51.h>
  20          #include <intrins.h>
  21          
  22          
  23          sfr AUXR    = 0x8E;             //定义AT89S51扩展寄存器
  24          sfr WDTRST  = 0xA6;
  25          
  26          
  27          void clr_wdt();
  28          
  29          main()
  30          {
  31   1              AUXR = 0xff;            // 初始化看门狗相关寄存器
  32   1              while(1)                        // 主循环
  33   1              {
  34   2                      clr_wdt();              // 8191个机器周期内必须至少调用此程序一次
  35   2                                                      // 否则看门狗会溢出
  36   2                      
  37   2                      // 其它子程序   
  38   2                      //      
  39   2              }
  40   1      }
  41          
  42          void clr_wdt()
  43          {
  44   1              WDTRST = 0x1E;          // 清除看门狗指令
  45   1              WDTRST = 0xE1;          // 
  46   1      }


MODULE INFORMATION:   STATIC OVERLAYABLE
   CODE SIZE        =     15    ----
   CONSTANT SIZE    =   ----    ----
   XDATA SIZE       =   ----    ----
   PDATA SIZE       =   ----    ----
   DATA SIZE        =   ----    ----
   IDATA SIZE       =   ----    ----
C51 COMPILER V7.08   UP51S006                                                              12/13/2004 09:47:09 PAGE 2   

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


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