rtx_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   RTX_DIANZHEN                                                          07/09/2007 10:55:44 PAGE 1   


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

line level    source

   1          #include <rtx51tny.h>
   2          #include <reg52.h>
   3          #include "ziku.h"
   4          #include <string.h>
   5          
   6          #define uchar unsigned char
   7          #define uint  unsigned int 
   8          
   9          
  10          void RESET(void)                                        //软件复位子程序
  11          {
  12   1              uchar code rst[]={0xe4,0xc0,0xe0,0xc0,0xe0,0x32};
  13   1              (*((void(*)(void))(rst)))();                            
  14   1                                                                                                                              }
  15          
  16          
  17          void delay(uchar t)
  18          {
  19   1              uchar n;
  20   1              while(t--)
  21   1              for(n=0;n<100;n++);
  22   1                                                      }
  23          
  24          void write_word(uchar Index[2])
  25          {
  26   1              uchar i,j;
  27   1              uint k=60;
  28   1              for(i=0;i<255;i++)
  29   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
  30   2                  {   while(k--)
  31   3                              {
  32   4                              for(j=0;j<16;j++)  
  33   4                              {       
  34   5                                      P0=0x00;
  35   5                                      P2=0x00;
  36   5                                      P3=j;
  37   5                                      P0=GB_16[i].Msk[j+16];   
  38   5                              P2=GB_16[i].Msk[j];
  39   5                                      delay(1);
  40   5                                      P0=0x00;
  41   5                                      P2=0x00;                                }
  42   4                                                                                              }       
  43   3                                                                                                      }
  44   2                                                                                                                      }
  45   1                                                                                                                                              }
  46          
  47          void write_sentence(uchar sentence[255])
  48          { 
  49   1              uchar i; 
  50   1              uchar word_buf[2];
  51   1              for(i=0;i<strlen(sentence)/2;i++)
  52   1              {       word_buf[0]=sentence[i*2];
  53   2                      word_buf[1]=sentence[i*2+1];
  54   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        
C51 COMPILER V7.50   RTX_DIANZHEN                                                          07/09/2007 10:55:44 PAGE 2   

             -  
  55   2              write_word(word_buf); 
  56   2              os_wait(K_TMO,15,0);                                  }      }
  57          
  58          
  59          void start (void) _task_ 0
  60          { 
  61   1              os_create_task (1);
  62   1              os_create_task (2);
  63   1              os_create_task (3);
  64   1              os_delete_task (0);
  65   1                                                      }
  66          
  67          void display (void) _task_ 1
  68          { 
  69   1              while(1)
  70   1              {       write_sentence("武汉理工大学熊涛制作");
  71   2                      os_wait(K_TMO,5,0);
  72   2                      write_sentence("悠悠苍天奈何独立苍茫");
  73   2                      P0=0;
  74   2                      P2=0;
  75   2                  os_wait(K_TMO,5,0);
  76   2                                                                      }
  77   1                                                                      }
  78          
  79          
  80          


MODULE INFORMATION:   STATIC OVERLAYABLE
   CODE SIZE        =    364    ----
   CONSTANT SIZE    =    728    ----
   XDATA SIZE       =   ----    ----
   PDATA SIZE       =   ----    ----
   DATA SIZE        =   ----       9
   IDATA SIZE       =   ----    ----
   BIT SIZE         =   ----    ----
END OF MODULE INFORMATION.


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