万年历154.lst

万年历154.rar

C51 COMPILER V6.12  _騙阓_154                                                              12/26/2009 22:22:08 PAGE 1   


C51 COMPILER V6.12, COMPILATION OF MODULE _騙阓_154
OBJECT MODULE PLACED IN .\万年历154.OBJ
COMPILER INVOKED BY: C:\Keil\C51\BIN\C51.EXE .\万年历154.c BROWSE DEBUG OBJECTEXTEND

stmt level    source

   1          #include<at89x51.h>
   2          #include<intrins.h>
   3          unsigned char code dispcode[]={0x3f,0x06,0x5b,0x4f,0x66, 
   4                                      0x6d,0x7d,0x07,0x7f,0x6f}; 
   5          unsigned char dispbuf[15]={2,0,0,8,1,2,3,0,0,0,0,0,0,0,1};			  //定义显示缓存数组
   6          sbit ds1302_data=P3^7;
   7          sbit cs=P3^5;
   8          sbit clk=P3^6;
   9          
  10          unsigned char mscnt;
  11          unsigned char dispbitcnt;
  12          
  13          //短延时程序
  14          void short_delay()
  15          {
  16   1        unsigned char i;
  17   1        for(i=0;i<5;i++);
  18   1      }
  19          //长延时程序
  20          void long_delay()
  21          {
  22   1        unsigned char i;
  23   1        for(i=0;i<125;i++);
  24   1      }
  25          //向ds1302写入一字节子程序
  26          void ds1302_write(unsigned char ds1302_temp)
  27          {
  28   1         unsigned char i,temp;
  29   1         long_delay();
  30   1         temp=ds1302_temp;
  31   1         for(i=0;i<8;i++)
  32   1           {
  33   2      	   ds1302_data=temp&0x01;
  34   2      	   short_delay();
  35   2      	   clk=1;
  36   2      	   short_delay();
  37   2      	   clk=0;
  38   2      	   temp=temp>>1;
  39   2      	 }
  40   1      }
  41          //从ds1302读取一字节子程序
  42          unsigned char ds1302_read(void)
  43          {
  44   1         unsigned char i,temp;
  45   1         long_delay();
  46   1         temp=0;
  47   1         for(i=0;i<8;i++)
  48   1           {
  49   2      	    temp=temp>>1;
  50   2      		if(ds1302_data)
  51   2      		  {
  52   3      		     temp=temp|0x80;
  53   3      		  }
  54   2      		clk=1;
  55   2      		short_delay();
C51 COMPILER V6.12  _騙阓_154                                                              12/26/2009 22:22:08 PAGE 2   

  56   2      		clk=0;
  57   2      		short_delay(); 
  58   2      	 }
  59   1      	return(temp);
  60   1      }
  61          //主程序
  62          void main(void)
  63          {
  64   1         unsigned char i;
  65   1         TMOD=0x02;
  66   1         TL0=0x06;
  67   1         TH0=0x06;
  68   1         TR0=1;
  69   1         ET0=1;
  70   1         EA=1;
  71   1         cs=0;
  72   1         while(1)
  73   1           {
  74   2      	    clk=0;		
  75   2      		short_delay();
  76   2      		cs=1;
  77   2      		ds1302_write(0x81);
  78   2      		i=ds1302_read();
  79   2      		cs=0;
  80   2      		short_delay();
  81   2      		clk=1;
  82   2      		
  83   2      		dispbuf[12]=(i>>4)&0x07;		   //秒
  84   2      		dispbuf[13]=i&0x0f;
  85   2      		
  86   2      		clk=0;		
  87   2      		short_delay();
  88   2      		cs=1;
  89   2      		ds1302_write(0x83);
  90   2      		i=ds1302_read();
  91   2      		cs=0;
  92   2      		short_delay();
  93   2      		clk=1;
  94   2      		
  95   2      		dispbuf[10]=(i>>4)&0x07;		   //分
  96   2      		dispbuf[11]=i&0x0f;
  97   2      		 
  98   2      		clk=0;		
  99   2      		short_delay();
 100   2      		cs=1;
 101   2      		ds1302_write(0x85);
 102   2      		i=ds1302_read();
 103   2      		cs=0;
 104   2      		short_delay();
 105   2      		clk=1;
 106   2      			
 107   2      		dispbuf[8]=(i>>4)&0x03;				 //小时
 108   2      		dispbuf[9]=i&0x0f;
 109   2      
 110   2      		clk=0;		
 111   2      		short_delay();
 112   2      		cs=1;
 113   2      		ds1302_write(0x87);
 114   2      		i=ds1302_read();
 115   2      		cs=0;
 116   2      		short_delay();
 117   2      		clk=1;
C51 COMPILER V6.12  _騙阓_154                                                              12/26/2009 22:22:08 PAGE 3   

 118   2      		
 119   2      		dispbuf[6]=(i>>4)&0x03;			 	  //日
 120   2      		dispbuf[7]=i&0x0f;
 121   2      
 122   2      		clk=0;		
 123   2      		short_delay();
 124   2      		cs=1;
 125   2      		ds1302_write(0x89);
 126   2      		i=ds1302_read();
 127   2      		cs=0;
 128   2      		short_delay();
 129   2      		clk=1;
 130   2      		
 131   2      		dispbuf[4]=(i>>4)&0x01;               //月
 132   2      		dispbuf[5]=i&0x0f;
 133   2      
 134   2      		clk=0;		
 135   2      		short_delay();
 136   2      		cs=1;
 137   2      		ds1302_write(0x8d);
 138   2      		i=ds1302_read();
 139   2      		cs=0;
 140   2      		short_delay();
 141   2      		clk=1;
 142   2      		
 143   2      		dispbuf[2]=(i>>4)&0x0f;				 //年
 144   2      		dispbuf[3]=i&0x0f;
 145   2      
 146   2      		clk=0;		
 147   2      		short_delay();
 148   2      		cs=1;
 149   2      		ds1302_write(0x8b);
 150   2      		i=ds1302_read();
 151   2      		cs=0;
 152   2      		short_delay();
 153   2      		clk=1;
 154   2      		
 155   2      		dispbuf[14]=((i&0x07)-1);					//周
 156   2      	
 157   2      	 }
 158   1      }
 159          
 160          void t0(void)interrupt 1 using 0
 161          {
 162   1         mscnt++;
 163   1         if(mscnt==8)				 //2ms数码管扫描显示
 164   1           {
 165   2      	    mscnt=0;
 166   2      		P2=dispbitcnt;
 167   2      		P1=dispcode[dispbuf[dispbitcnt]];
 168   2      		dispbitcnt++;
 169   2      		if(dispbitcnt==15)
 170   2      		  dispbitcnt=0;
 171   2      	 }
 172   1      }


MODULE INFORMATION:   STATIC OVERLAYABLE
   CODE SIZE        =    332    ----
   CONSTANT SIZE    =     10    ----
   XDATA SIZE       =   ----    ----
   PDATA SIZE       =   ----    ----
C51 COMPILER V6.12  _騙阓_154                                                              12/26/2009 22:22:08 PAGE 4   

   DATA SIZE        =     17    ----
   IDATA SIZE       =   ----    ----
   BIT SIZE         =   ----    ----
END OF MODULE INFORMATION.


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