ex1.lst

零基础单片机C语言设计全套教程

C51 COMPILER V8.08   EX1                                                                   09/04/2008 16:56:17 PAGE 1   


C51 COMPILER V8.08, COMPILATION OF MODULE EX1
OBJECT MODULE PLACED IN ex1.OBJ
COMPILER INVOKED BY: C:\Program Files\keil\C51\BIN\C51.EXE ex1.C BROWSE DEBUG OBJECTEXTEND

line level    source

   1          #include "reg52.h"                                      //头文件
   2          #define uint unsigned int
   3          #define uchar unsigned char
   4          sbit P1_0 = P1 ^ 0;                     //定义位变量
   5          
   6          void Timer2_Server(void) interrupt 5
   7          {
   8   1      static uint Timer2_Server_Count;                //定义静态变量，计数T2定时器的溢出次数
   9   1      
  10   1      TF2=0;                               //T2定时器发生溢出中断时清除溢出标记
  11   1      
  12   1      Timer2_Server_Count++;
  13   1      if(Timer2_Server_Count==16)           //T2定时器的预装载值为0x0BDC，溢出16次就是1秒钟。
  14   1      {
  15   2         Timer2_Server_Count=0;
  16   2         P1_0=~P1_0;                       //P1_0反向
  17   2      }
  18   1      }
  19          
  20          void main (void)                        //主函数
  21          {
  22   1      P1_0=1;                              //P1_0置为低电平
  23   1      TH2=0x0B;                                               // T2定时器赋预装载值，溢出16次就是1秒。
  24   1      TL2=0xDC;
  25   1      RCAP2H=0x0B;                                    //重载值
  26   1      RCAP2L=0xDC;
  27   1      ET2=1;                               //允许T2定时器中断
  28   1      EA=1;                                //打开总中断
  29   1      TR2=1;                               //启动T2定时器
  30   1      
  31   1      while(1)                                        //主循环
  32   1      {
  33   2      }
  34   1      }


MODULE INFORMATION:   STATIC OVERLAYABLE
   CODE SIZE        =     49    ----
   CONSTANT SIZE    =   ----    ----
   XDATA SIZE       =   ----    ----
   PDATA SIZE       =   ----    ----
   DATA SIZE        =      2    ----
   IDATA SIZE       =   ----    ----
   BIT SIZE         =   ----    ----
END OF MODULE INFORMATION.


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