lcd1602.lst

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C51 COMPILER V8.05a   LCD1602                                                              03/14/2009 14:57:59 PAGE 1   


C51 COMPILER V8.05a, COMPILATION OF MODULE LCD1602
OBJECT MODULE PLACED IN lcd1602.OBJ
COMPILER INVOKED BY: d:\Keil\C51\BIN\C51.EXE lcd1602.c BROWSE DEBUG OBJECTEXTEND

line level    source

   1          /*****************************************************************************
   2          名     称：“lcd1602.c”
   3          
   4          Copyright：鸵鸟电子工作室  hrbeu  P.R.C.
   5          
   6          功     能：在MINI实验板上外接lcd1602，并在液晶显示模块显示要求的内容
   7          
   8          作     者：彪哥&东方未晞
   9          
  10          日     期：2008年9月1日
  11          
  12          *****************************************************************************/
  13          #include<reg52.h>
  14          #define uchar unsigned char
  15          #define uint unsigned int
  16          sbit rs=P3^6;
  17          sbit lcden=P2^0;
  18          sbit dula=P2^4;
  19          sbit wela=P2^6;
  20          sbit P23=P2^3;
  21          sbit P25=P2^5;
  22          
  23          uchar table1[]="393HZ 24V";     
  24          uchar table2[]="ZHONGPINDIANYUAN";
  25          void delay(uint x)
  26          {
  27   1              uint a,b;
  28   1              for(a=x;a>0;a--)
  29   1                      for(b=10;b>0;b--); 
  30   1      }
  31          
  32          void delay1(uint x)
  33          {
  34   1              uint a,b;
  35   1              for(a=x;a>0;a--)
  36   1                      for(b=100;b>0;b--); 
  37   1      }
  38          
  39          void write_com(uchar com)
  40          {
  41   1              P0=com;
  42   1              rs=0;
  43   1              lcden=0;
  44   1              delay(10);
  45   1              lcden=1;
  46   1              delay(10);
  47   1              lcden=0;
  48   1              
  49   1      }
  50          
  51          void write_date(uchar date)
  52          {
  53   1              P0=date;
  54   1              rs=1;
  55   1              lcden=0;
C51 COMPILER V8.05a   LCD1602                                                              03/14/2009 14:57:59 PAGE 2   

  56   1              delay(10);
  57   1              lcden=1;
  58   1              delay(10);
  59   1              lcden=0;
  60   1              
  61   1      }
  62          
  63          void init()
  64          {
  65   1              dula=0;
  66   1              wela=0;
  67   1              write_com(0x38);
  68   1              delay(20);
  69   1              write_com(0x0f);
  70   1              delay(20);
  71   1              write_com(0x06);
  72   1              delay(20);
  73   1              write_com(0x01);
  74   1              delay(20);      
  75   1      }
  76          
  77          void main()
  78          {
  79   1              uchar a;
  80   1              init();
  81   1      
  82   1              write_com(0x80+17);
  83   1              delay(20);
  84   1              for(a=0;a<9;a++)
  85   1              {
  86   2              write_date(table1[a]);
  87   2              delay(20);              
  88   2              }
  89   1      
  90   1              write_com(0xc0+17);
  91   1              delay(50);
  92   1              for(a=0;a<16;a++)
  93   1              {
  94   2              write_date(table2[a]);
  95   2              delay(40);              
  96   2              }
  97   1      
  98   1              for(a=0;a<16;a++)
  99   1              {
 100   2                      write_com(0x18);
 101   2                      delay1(200);
 102   2              }
 103   1              while(1);
 104   1      }


MODULE INFORMATION:   STATIC OVERLAYABLE
   CODE SIZE        =    228    ----
   CONSTANT SIZE    =   ----    ----
   XDATA SIZE       =   ----    ----
   PDATA SIZE       =   ----    ----
   DATA SIZE        =     27    ----
   IDATA SIZE       =   ----    ----
   BIT SIZE         =   ----    ----
END OF MODULE INFORMATION.


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