dianzhen.lst

这是点阵程序 个人认为先学点阵再学lcd比较好 p0 p2分别接16*16点阵的高八位和低八位(纵向取模) p3口低四位接4-16线译码器（74ls154）译码器低电平为列选 消除鬼影的方法：

C51 COMPILER V7.50   DIANZHEN                                                              07/08/2007 14:23:46 PAGE 1   


C51 COMPILER V7.50, COMPILATION OF MODULE DIANZHEN
OBJECT MODULE PLACED IN dianzhen.OBJ
COMPILER INVOKED BY: C:\Program Files\Keil\C51\BIN\C51.EXE dianzhen.c BROWSE DEBUG OBJECTEXTEND

line level    source

   1          //P0接下八位 P2接上八位P3低位接列控制
   2          
   3          #include <reg52.h>
   4          #include "ziku.h"
   5          #include <string.h>
   6          
   7          #define uchar unsigned char
   8          #define uint  unsigned int 
   9          
  10          
  11          
  12          
  13          delay(uchar t)
  14          {       
  15   1              uchar m;
  16   1              while(t--)
  17   1              for(m=0;m<150;m++);
  18   1                                                      }
  19          
  20          
  21          void write_word(uchar Index[2])
  22          {
  23   1              uchar i,j;
  24   1              uint k=60;
  25   1              for(i=0;i<255;i++)
  26   1              {       if (GB_16[i].Index[0]==Index[0] && GB_16[i].Index[1]==Index[1])   //汉字作为双字节字符串处理 采用顺序
             -检索方式查找结构体名
  27   2                  {   while(k--)
  28   3                              {
  29   4                              for(j=0;j<16;j++)  
  30   4                              {       
  31   5                                      P0=0x00;
  32   5                                      P2=0x00;
  33   5                                      P3=j;
  34   5                                      P0=GB_16[i].Msk[j+16];   
  35   5                              P2=GB_16[i].Msk[j];
  36   5                                      delay(1);
  37   5                                      P0=0x00;
  38   5                                      P2=0x00;                                }
  39   4                                                                                              }       
  40   3                                                                                                      }
  41   2                                                                                                                      }
  42   1                                                                                                                                              }
  43          
  44          void write_sentence(uchar sentence[255])
  45          { 
  46   1              uchar i; 
  47   1              uchar word_buf[2];
  48   1              for(i=0;i<strlen(sentence)/2;i++)
  49   1              {       word_buf[0]=sentence[i*2];
  50   2                      word_buf[1]=sentence[i*2+1];
  51   2                      //从sentence中两个两个的取字符串即汉字 注意不要弄半角的字符或标点符号，否则后面的汉字将找不到        
             -  
  52   2              write_word(word_buf); 
  53   2              delay(255);                                   }      }
C51 COMPILER V7.50   DIANZHEN                                                              07/08/2007 14:23:46 PAGE 2   

  54          
  55                  
  56          
  57          
  58          main()
  59          {
  60   1              P0=0x00;
  61   1              P2=0x00;
  62   1          while(1)
  63   1              {       write_sentence("武汉理工大学熊涛制作");
  64   2                      delay(255);
  65   2                      delay(255);
  66   2                      write_sentence("悠悠苍天奈何独立苍茫");
  67   2                      P0=0;
  68   2                      P2=0;
  69   2                  delay(255); 
  70   2                      delay(255);                     }
  71   1                                                              }
  72                                                          


MODULE INFORMATION:   STATIC OVERLAYABLE
   CODE SIZE        =    336    ----
   CONSTANT SIZE    =    722    ----
   XDATA SIZE       =   ----    ----
   PDATA SIZE       =   ----    ----
   DATA SIZE        =   ----       9
   IDATA SIZE       =   ----    ----
   BIT SIZE         =   ----    ----
END OF MODULE INFORMATION.


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