4-2.lst

8051单片机学习源码 包括定时器、键盘、液晶显示等

C51 COMPILER V6.12  4_2                                                                    11/22/2007 22:50:42 PAGE 1   


C51 COMPILER V6.12, COMPILATION OF MODULE 4_2
OBJECT MODULE PLACED IN .\4-2.obj
COMPILER INVOKED BY: d:\Keil\C51\BIN\C51.EXE ..\..\lesson4\4-2\4-2.c BROWSE DEBUG OBJECTEXTEND PRINT(.\4-2.lst) OBJECT(.
                    -\4-2.obj) 

stmt level    source

   1          #include<reg52.h>
   2          #include<intrins.h>
   3          #define uchar unsigned char 
   4          #define ul unsigned long 
   5          
   6          ul n; 
   7          sbit dula=P2^6;
   8          sbit wela=P2^7;
   9          sbit c_led=P2^5;
  10          sbit beep=P2^3;
  11          uchar led=0xfe;
  12          uchar count_0,count_1,s;
  13          
  14          uchar code tabledu[]={
  15          0x3f,0x06,0x5b,0x4f,
  16          0x66,0x6d,0x7d,0x07,
  17          0x7f,0x6f,0x77,0x7c,
  18          0x39,0x5e,0x79,0x71};
  19          
  20          uchar code tabledu_0[]={
  21          0xbf,0x86,0xdb,0xcf,
  22          0xe6,0xed,0xfd,0x87,
  23          0xff,0xef,0xf7,0xfc,
  24          0xb9,0xde,0xf9,0xf1};
  25          
  26          uchar code tablewe[]={
  27          0x01,0x02,0x04,0x08,
  28          0x10,0x20  
  29          }; 
  30          
  31          void display(uchar,uchar,uchar,uchar,uchar,uchar);
  32          void led_beep();
  33          void delay(uchar);
  34          
  35          
  36          void main()
  37          {EA=1;
  38   1      ET1=1;
  39   1      ET0=1;
  40   1      TMOD=0X11;
  41   1      TH1=(65536-10000)/256;
  42   1      TL1=(65536-10000)%256;
  43   1      TH0=(65536-50000)/256;
  44   1      TL0=(65536-50000)%256;
  45   1      n=765432;
  46   1      TR1=1;
  47   1      
  48   1      while(1)
  49   1      	{ 
  50   2      	//------n decline and display the num;
  51   2      	 if(count_1==1)
  52   2      	  	{count_1=0;
  53   3      		 n--;
  54   3      		}
C51 COMPILER V6.12  4_2                                                                    11/22/2007 22:50:42 PAGE 2   

  55   2      	 display(n/100000,n%100000/10000,n%10000/1000,n%1000/100,n%100/10,n%10);
  56   2      	 
  57   2      	 //------led shine
  58   2      	 if(n<=764987&&TR0==0) TR0=1; // (&&TR0==0)can make this order run one time
  59   2      	      
  60   2      	 if(count_0==20)
  61   2      			  {	 
  62   3      			     s=1;
  63   3      				 count_0=0;
  64   3      				 led=_crol_(led,1);
  65   3      		      }
  66   2      	 if(s==1) {led_beep() ;s=0; }	// if count 0 interrupt one time ,then change the led;
  67   2      		 
  68   2      	} //while
  69   1      
  70   1      
  71   1      
  72   1      
  73   1      
  74   1      
  75   1      }//main
  76          
  77          void tim1() interrupt 3
  78          	{
  79   1      	TH1=(65536-10000)/256;
  80   1          TL1=(65536-10000)%256;
  81   1      	count_1++;
  82   1      	}
  83          
  84          void tim0() interrupt 1
  85          	{
  86   1      	TH0=(65536-50000)/256;
  87   1          TL0=(65536-50000)%256;
  88   1      	count_0++;
  89   1      	}
  90          void display(uchar w1,uchar w2,uchar w3,uchar w4,uchar w5,uchar w6)
  91              {
  92   1      	P0=0x00;
  93   1      	wela=1;
  94   1      	wela=0;
  95   1      	P0=~tabledu[w1];
  96   1      	dula=1;
  97   1      	dula=0;
  98   1      	P0=tablewe[0];
  99   1      	wela=1;
 100   1      	wela=0;
 101   1      	delay(1);
 102   1      	//-------------------
 103   1      	P0=0x00;
 104   1      	wela=1;
 105   1      	wela=0;
 106   1      	P0=~tabledu[w2];
 107   1      	dula=1;
 108   1      	dula=0;
 109   1      	P0=tablewe[1];
 110   1      	wela=1;
 111   1      	wela=0;
 112   1      	delay(1);
 113   1      	//-------------------
 114   1      	P0=0x00;
 115   1      	wela=1;
 116   1      	wela=0;
C51 COMPILER V6.12  4_2                                                                    11/22/2007 22:50:42 PAGE 3   

 117   1      	P0=~tabledu[w3];
 118   1      	dula=1;
 119   1      	dula=0;
 120   1      	P0=tablewe[2];
 121   1      	wela=1;
 122   1      	wela=0;
 123   1      	delay(1);
 124   1      	//-------------------
 125   1      	P0=0x00;
 126   1      	wela=1;
 127   1      	wela=0;
 128   1      	P0=~tabledu_0[w4];	 // the fourth bit has the dot;
 129   1      	dula=1;
 130   1      	dula=0;
 131   1      	P0=tablewe[3];
 132   1      	wela=1;
 133   1      	wela=0;
 134   1      	delay(1);
 135   1      	//-------------------
 136   1      	P0=0x00;
 137   1      	wela=1;
 138   1      	wela=0;
 139   1      	P0=~tabledu[w5];
 140   1      	dula=1;
 141   1      	dula=0;
 142   1      	P0=tablewe[4];
 143   1      	wela=1;
 144   1      	wela=0;
 145   1      	delay(1);
 146   1      	//-------------------
 147   1      	P0=0x00;
 148   1      	wela=1;
 149   1      	wela=0;
 150   1      	P0=~tabledu[w6];
 151   1      	dula=1;
 152   1      	dula=0;
 153   1      	P0=tablewe[5];
 154   1      	wela=1;
 155   1      	wela=0;	   
 156   1      	delay(1);	
 157   1      	}
 158          
 159          	void led_beep()
 160          	{uchar a,b;
 161   1      	for(a=3;a>0;a--)
 162   1      	   {beep=~beep;for(b=15;b>0;b--);}
 163   1          
 164   1      	P1=led;
 165   1      	c_led=1;
 166   1      	c_led=0;
 167   1      	
 168   1      	}
 169          	void delay(uchar x)
 170               {
 171   1      	uchar a,b;
 172   1      	for(a=x;a>0;a--)
 173   1      		for(b=255;b>0;b--);	
 174   1          }


MODULE INFORMATION:   STATIC OVERLAYABLE
   CODE SIZE        =    560    ----
C51 COMPILER V6.12  4_2                                                                    11/22/2007 22:50:42 PAGE 4   

   CONSTANT SIZE    =     38    ----
   XDATA SIZE       =   ----    ----
   PDATA SIZE       =   ----    ----
   DATA SIZE        =      8       6
   IDATA SIZE       =   ----    ----
   BIT SIZE         =   ----    ----
END OF MODULE INFORMATION.


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