C51 COMPILER V6.12  3_3                                                                    10/02/2007 21:43:25 PAGE 1   


C51 COMPILER V6.12, COMPILATION OF MODULE 3_3
OBJECT MODULE PLACED IN .\3_3.obj
COMPILER INVOKED BY: C:\Keil\C51\BIN\C51.EXE ..\lesson3\3_3.c DEBUG OBJECTEXTEND PRINT(.\3_3.lst) OBJECT(.\3_3.obj) 

stmt level    source

   1          /*******************************************************************/
   2          /* TX-1Cµ¥Æ¬»úʵÑé°åʵÑéÀý³Ì        							   */
   3          /* 2007Äê8ÔµڶþÆÚÅàѵ°à¿ÎºóÏ°ÌâÏê½â							   */
   4          /* ×÷Õߣº¹ùÌìÏé      											   */
   5          /* ÓÊÏ䣺txmcu@163.com 										  	   */
   6          /* ÍøÕ¾£ºwww.txmcu.com(ÌìÏéµç×Ó)    							   */
   7          /*¡¾°æȨ¡¿Copyright(C)ÌìÏéµç×Ó www.txmcu.com  All Rights Reserved  */
   8          /*¡¾ÉùÃ÷¡¿´Ë³ÌÐò½öÓÃÓÚѧϰÓë²Î¿¼£¬ÒýÓÃÇë×¢Ã÷°æȨºÍ×÷ÕßÐÅÏ¢£¡       */
   9          /*                                                                 */
  10          /*******************************************************************/
  11          /*                                                          
  12          ͬʱÓÃÁ½¸ö¶¨Ê±Æ÷¿ØÖÆ·äÃùÆ÷·¢Éù£¬
  13          ¶¨Ê±Æ÷0¿ØÖÆƵÂÊ£¬¶¨Ê±Æ÷1¿ØÖÆͬ¸ö
  14          ƵÂʳÖÐøµÄʱ¼ä£¬¼ä¸ô2sÒÀ´ÎÊä³ö
  15          1£¬10£¬50,100£¬200,400,800,
  16          1k£¨hz£©µÄ·½²¨£
  17          É辧ÕñƵÂÊΪ12MHz¡£
  18          */
  19          /*********************************************************/
  20          #include<reg52.h>  //52µ¥Æ¬»úÍ·Îļþ
  21          #include <intrins.h> //°üº¬ÓÐ×óÓÒÑ­»·ÒÆλ×Óº¯ÊýµÄ¿â
  22          #define uint unsigned int    //ºê¶¨Òå
  23          #define uchar unsigned char  //ºê¶¨Òå
  24          sbit beep=P2^3;
  25          uchar tt;
  26          uint fre,flag;
  27          
  28          void main()		    //Ö÷º¯Êý
  29          {
  30   1      	fre=50000;
  31   1      	beep=0;
  32   1      	TMOD=0x11;//ÉèÖö¨Ê±Æ÷0,¶¨Ê±Æ÷1Ϊ¹¤×÷·½Ê½1
  33   1      	TH0=(65536-fre)/256;
  34   1      	TL0=(65536-fre)%256;
  35   1      	TH1=(65536-50000)/256;
  36   1      	TL1=(65536-50000)%256;
  37   1      	EA=1;//¿ª×ÜÖжÏ
  38   1      	ET0=1;//¿ª¶¨Ê±Æ÷0ÖжÏ
  39   1      	ET1=1;
  40   1      	TR1=1;
  41   1      	TR0=1;//Æô¶¯¶¨Ê±Æ÷0
  42   1      	while(1);//µÈ´ýÖжϲúÉú
  43   1      	
  44   1      }
  45          
  46          void timer0() interrupt 1
  47          {
  48   1      	TR0=0;
  49   1      	TH0=(65536-fre)/256;
  50   1      	TL0=(65536-fre)%256;
  51   1      	tt++;
  52   1      	if(flag<40)
  53   1      		if(tt==10)
  54   1      			{
  55   2      				tt=0;
C51 COMPILER V6.12  3_3                                                                    10/02/2007 21:43:25 PAGE 2   

  56   2      				fre=50000;
  57   2      				beep=~beep;
  58   2      			}
  59   1      	if(flag>=40&&flag<80)
  60   1      		{
  61   2      			tt=0;
  62   2      			fre=50000;
  63   2      			beep=~beep;	
  64   2      		}
  65   1      	if(flag>=80&&flag<120)
  66   1      		{
  67   2      			tt=0;
  68   2      			fre=10000;
  69   2      			beep=~beep;	
  70   2      		}
  71   1      	if(flag>=120&&flag<160)
  72   1      		{
  73   2      			tt=0;
  74   2      			fre=5000;
  75   2      			beep=~beep;	
  76   2      		}
  77   1      	if(flag>=160&&flag<200)
  78   1      		{
  79   2      			tt=0;
  80   2      			fre=2500;
  81   2      			beep=~beep;	
  82   2      		}
  83   1      	if(flag>=200&&flag<240)
  84   1      		{
  85   2      			tt=0;
  86   2      			fre=1250;
  87   2      			beep=~beep;	
  88   2      		}
  89   1      	if(flag>=240&&flag<280)
  90   1      		{
  91   2      			tt=0;
  92   2      			fre=625;
  93   2      			beep=~beep;	
  94   2      		}
  95   1      	if(flag>=280&&flag<320)
  96   1      		{
  97   2      			tt=0;
  98   2      			fre=312;
  99   2      			beep=~beep;	
 100   2      		}
 101   1      	if(flag>=320&&flag<360)
 102   1      		{
 103   2      			tt=0;
 104   2      			fre=156;
 105   2      			beep=~beep;	
 106   2      		}
 107   1      	TR0=1;
 108   1      }
 109          void timer1() interrupt 3
 110          {
 111   1      	TH1=(65536-50000)/256;
 112   1      	TL1=(65536-50000)%256;
 113   1      	flag++;
 114   1      	if(flag==360)
 115   1      	  {
 116   2      	    flag=0;
 117   2      	    fre=50000;
C51 COMPILER V6.12  3_3                                                                    10/02/2007 21:43:25 PAGE 3   

 118   2      	  }
 119   1      }


MODULE INFORMATION:   STATIC OVERLAYABLE
   CODE SIZE        =    569    ----
   CONSTANT SIZE    =   ----    ----
   XDATA SIZE       =   ----    ----
   PDATA SIZE       =   ----    ----
   DATA SIZE        =      5    ----
   IDATA SIZE       =   ----    ----
   BIT SIZE         =   ----    ----
END OF MODULE INFORMATION.


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