disp.lst

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C51 COMPILER V6.12  DISP                                                                   06/06/2004 10:26:11 PAGE 1   


C51 COMPILER V6.12, COMPILATION OF MODULE DISP
OBJECT MODULE PLACED IN .\disp.OBJ
COMPILER INVOKED BY: C:\Keil\C51\BIN\C51.EXE .\disp.c LARGE DEBUG OBJECTEXTEND

stmt level    source

   1          //disp.c
   2          //#include <reg52.h>
   3          #include "common.h"
   4          #include "disp.h"
   5          
   6          sbit RS = P3^3;
   7          sbit DISPE = P3^4;
   8          
   9          void initcom()
  10          {
  11   1      	TMOD = 0x20;
  12   1      	TH1 =0xfd;
  13   1      	TL1 = 0xfd;
  14   1      	TCON = 0x40;
  15   1      	SCON = 0x50;
  16   1      	PCON  = 0;
  17   1      	TR1= 1;
  18   1      //	IE = 0x90;
  19   1      	loadmsg("ok!\r\b",5);
  20   1      }
  21          void loadmsg(uchar *msg,uchar len)
  22          {
  23   1      	uchar i;
  24   1      	for(i = 0;i<len;i++)
  25   1      	{
  26   2      			if(*msg=='\0')
  27   2      				break;
  28   2      			SBUF = *msg;
  29   2      			while(TI==0);TI=0;
  30   2      			msg++;
  31   2      	}
  32   1      }
  33          
  34          /*输入并显示字符dispd*/
  35          void writedispdata(uchar dispd) 
  36          {
  37   1      		RS = 1;
  38   1      		DISPE = 1;
  39   1      		LCDADD = dispd;
  40   1      		delay(1);
  41   1      		DISPE = 0;
  42   1      		delay(200);
  43   1      }
  44          //
  45          /*输入初始化命令字dispc*/
  46          void writedispcmd(uchar dispc)  
  47          {
  48   1      		RS = 0;
  49   1      		DISPE = 1;
  50   1      		LCDADD = dispc;
  51   1      		delay(1);
  52   1      		DISPE = 0;
  53   1      		delay(200);
  54   1      }
  55          //
C51 COMPILER V6.12  DISP                                                                   06/06/2004 10:26:11 PAGE 2   

  56          /*初始化lcd*/
  57          void initlcd(void)      
  58          {
  59   1      	writedispcmd(0x01);
  60   1      	writedispcmd(0x38);
  61   1      	writedispcmd(0x06);
  62   1      	writedispcmd(0x0e);
  63   1      	writedispcmd(0x01);
  64   1      }
  65          void dispinfo(uchar line,uchar * ch)
  66          {
  67   1      	if(line == 1)
  68   1      	{
  69   2      		writedispcmd(0x80);
  70   2      		while(*ch != '\0')
  71   2      		{
  72   3      			writedispdata(*ch);
  73   3      			ch++;
  74   3      		}
  75   2      	}
  76   1      	else if(line == 2){
  77   2      		writedispcmd(0xc0);
  78   2      		while(*ch != '\0')
  79   2      		{
  80   3      			writedispdata(*ch);
  81   3      			ch++;
  82   3      		}
  83   2      	}
  84   1      	else{
  85   2      		while(*ch != '\0')
  86   2      		{
  87   3      			writedispdata(*ch);
  88   3      			ch++;
  89   3      		}
  90   2      	}
  91   1      }
  92          void disphex(uchar hex)
  93          {
  94   1      	uchar i;
  95   1      	i = hex>>4;
  96   1      	i &=  0x0f;
  97   1      	if(i<10)
  98   1      		writedispdata(0x30|i);
  99   1      	else
 100   1      		writedispdata(0x37+i);
 101   1      	i = hex&0x0f;
 102   1      	if(i<10)
 103   1      		writedispdata(0x30|i);
 104   1      	else
 105   1      		writedispdata(0x37+i);
 106   1      } 
 107          htoc(uchar h,uchar * chh,uchar *chl)
 108          {
 109   1      	if((h>>4)<=0x09)
 110   1      		*chh = 0x30|(h>>4);
 111   1      	else
 112   1      		*chh = 0x37+(h>>4);
 113   1      	h &= 0x0f;
 114   1      	if(h<=0x09)
 115   1      		 *chl= 0x30|h;
 116   1      	else
 117   1      		*chl = 0x37+h;
C51 COMPILER V6.12  DISP                                                                   06/06/2004 10:26:11 PAGE 3   

 118   1      }


MODULE INFORMATION:   STATIC OVERLAYABLE
   CODE SIZE        =    432    ----
   CONSTANT SIZE    =      6    ----
   XDATA SIZE       =   ----      16
   PDATA SIZE       =   ----    ----
   DATA SIZE        =   ----    ----
   IDATA SIZE       =   ----    ----
   BIT SIZE         =   ----    ----
END OF MODULE INFORMATION.


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