time3.lst

c8051f020模块.rar

C51 COMPILER V8.02   TIME3                                                                 10/11/2009 19:29:44 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          uint16 time=100;
  10          
  11          void SYSCLK_Init(void)
  12          { 
  13   1        uint8 i;
  14   1        OSCXCN = 0X67;//开始外部22.1184M晶振
  15   1        for(i = 0;i < 128;i++); //等待外部起振
  16   1        while(!(OSCXCN & 0X80));      //查询标志位
  17   1        OSCICN = 0X88;//用外部晶振，并使能时钟丢
  18   1      }
  19          
  20          
  21          void Init_Timer3(void)
  22          {
  23   1        TMR3CN=0X00;
  24   1        TMR3RLL=0X0cd;
  25   1        TMR3RLH=0X0f8;
  26   1        //TMR3L=0X0ff;
  27   1        //TMR3H=0X0ff;
  28   1        TMR3CN|=0X04;
  29   1        EIE2|=0X01;
  30   1      }
  31          
  32          
  33          void Init_PORT(void)
  34          {
  35   1        XBR2=0X40;
  36   1        //P0MDOUT=0XFF;
  37   1        //P74OUT=0X04;
  38   1        P74OUT=0Xff;
  39   1        P5=0X00;
  40   1        //P0=0xff;
  41   1      }
  42          
  43          
  44          void Timer3_ISR(void) interrupt 14
  45          {
  46   1        TMR3CN&=0X7F;
  47   1        flag++;
  48   1        if(flag==time)
  49   1        {
  50   2              P5=~P5;
  51   2              time=time+100;
  52   2              if(time>=65000)
  53   2              time=100;
  54   2              flag=0;
  55   2        }
C51 COMPILER V8.02   TIME3                                                                 10/11/2009 19:29:44 PAGE 2   

  56   1      }
  57          
  58          
  59          void main(void)
  60          {
  61   1         WDTCN = 0xde;
  62   1        WDTCN = 0xad;//关闭看门狗
  63   1        SYSCLK_Init();
  64   1        Init_PORT();
  65   1        Init_Timer3();
  66   1        EA=1;
  67   1        while(1)
  68   1        {
  69   2         
  70   2        }
  71   1      
  72   1      }


MODULE INFORMATION:   STATIC OVERLAYABLE
   CODE SIZE        =    182    ----
   CONSTANT SIZE    =   ----    ----
   XDATA SIZE       =   ----    ----
   PDATA SIZE       =   ----    ----
   DATA SIZE        =      4    ----
   IDATA SIZE       =   ----    ----
   BIT SIZE         =   ----    ----
END OF MODULE INFORMATION.


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