time3.lst

c8051f020模块.rar

C51 COMPILER V8.02   TIME3                                                                 10/14/2009 16:25:29 PAGE 1   


C51 COMPILER V8.02, COMPILATION OF MODULE TIME3
OBJECT MODULE PLACED IN time3.OBJ
COMPILER INVOKED BY: E:\安装文件夹\keil\C51\BIN\C51.EXE time3.c BROWSE DEBUG OBJECTEXTEND

line level    source

   1          #include <c8051f020.h>
   2          
   3          #define uint8 unsigned char
   4          #define uint16 unsigned int
   5          
   6          #define time 2000        //时间=(time/1000)s
   7          
   8          uint16 flag;
   9          
  10          void SYSCLK_Init(void)
  11          { 
  12   1        uint8 i;
  13   1        OSCXCN = 0X67;//开始外部22.1184M晶振
  14   1        for(i = 0;i < 128;i++); //等待外部起振
  15   1        while(!(OSCXCN & 0X80));      //查询标志位
  16   1        OSCICN = 0X88;//用外部晶振，并使能始终丢
  17   1      }
  18          
  19          
  20          void Init_Timer3(void)
  21          {
  22   1        TMR3CN=0X00;
  23   1        TMR3RLL=0X09a;
  24   1        TMR3RLH=0X0f1;
  25   1        /*TMR3L=0X0ff;
  26   1        TMR3H=0X0ff;*/
  27   1        TMR3CN|=0X04;
  28   1        EIE2|=0X01;
  29   1      }
  30          
  31          
  32          void Init_PORT(void)
  33          {
  34   1        XBR2=0X40;
  35   1        //P0MDOUT=0XFF;
  36   1        //P74OUT=0X04;
  37   1        P74OUT=0Xff;
  38   1        P5=0X00;
  39   1        //P0=0xff;
  40   1      }
  41          
  42          
  43          void Timer3_ISR(void) interrupt 14
  44          {
  45   1        TMR3CN&=0X7F;
  46   1               flag++;
  47   1        if(flag==time)
  48   1        {
  49   2              P5=~P5;
  50   2              flag=0;}
  51   1      }
  52          
  53          
  54          void main(void)
  55          {
C51 COMPILER V8.02   TIME3                                                                 10/14/2009 16:25:29 PAGE 2   

  56   1         WDTCN = 0xde;
  57   1        WDTCN = 0xad;//关闭看门狗
  58   1        SYSCLK_Init();
  59   1        Init_PORT();
  60   1        Init_Timer3();
  61   1        EA=1;
  62   1        while(1)
  63   1         {
  64   2      
  65   2        }
  66   1      
  67   1      
  68   1         }
  69                            
  70                            
  71          


MODULE INFORMATION:   STATIC OVERLAYABLE
   CODE SIZE        =    100    ----
   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)