fm12864.lst

12864字符液晶程序

C51 COMPILER V7.06   FM12864                                                               04/14/2007 16:52:44 PAGE 1   


C51 COMPILER V7.06, COMPILATION OF MODULE FM12864
OBJECT MODULE PLACED IN FM12864.OBJ
COMPILER INVOKED BY: D:\Keil\C51\BIN\C51.EXE FM12864.c BROWSE DEBUG OBJECTEXTEND

stmt level    source

   1          #include <reg51.h>
   2          #include "FM12864.h"
   3          
   4          
   5          void delay( unsigned char k )
   6          {
   7   1              unsigned char i;
   8   1              for(i=0;i<k;i++)
   9   1                      {
  10   2                              _nop_();
  11   2                      }
  12   1      }
  13          
  14          void Wait_Busy( void )
  15          {
  16   1              unsigned char dat=0x80;
  17   1              while(dat&0x80!=0)
  18   1                      {
  19   2                              RS=0;
  20   2                              RW=1;
  21   2                              E=0;
  22   2                              _nop_();
  23   2                              E=1;
  24   2                              P0=0xff;
  25   2                              delay(2);
  26   2                              E=0;
  27   2                              dat=P0;
  28   2                              delay(1);
  29   2                      }
  30   1      
  31   1      }
  32          
  33          void Write_cmd( unsigned char cmd )
  34          {
  35   1              Wait_Busy();
  36   1              RS=0;
  37   1              RW=0;
  38   1              delay(2);
  39   1              E=1;
  40   1              _nop_();
  41   1              P0=cmd;
  42   1              E=0;
  43   1              delay(2);
  44   1      }
  45          
  46          void Write_dat( unsigned char dat )
  47          {
  48   1              Wait_Busy();
  49   1              RS=1;
  50   1              RW=0;
  51   1              E=1;
  52   1              P0=dat;
  53   1              delay(2);
  54   1              E=0;
  55   1              delay(5);
C51 COMPILER V7.06   FM12864                                                               04/14/2007 16:52:44 PAGE 2   

  56   1      }
  57          
  58          unsigned char Read( void )
  59          {
  60   1              unsigned char dat;
  61   1              Wait_Busy();
  62   1              E=0;
  63   1              RS=1;
  64   1              RW=1;
  65   1              _nop_();
  66   1              E=1;
  67   1              P0=0xff;
  68   1              delay(2);
  69   1              E=0;
  70   1              dat=P0;
  71   1              _nop_();
  72   1              return( dat );
  73   1      }
  74          
  75          void init_lcd( void )
  76          {
  77   1              unsigned char k;
  78   1              for(k=0;k<250;k++)
  79   1                      {
  80   2                              delay(255);
  81   2                      }
  82   1              Write_cmd(0x30);        
  83   1              Write_cmd(0x30);        
  84   1              Write_cmd(0x0c);        
  85   1              Write_cmd(0x01);        
  86   1              Write_cmd(0x06);
  87   1              delay(100);
  88   1      }


MODULE INFORMATION:   STATIC OVERLAYABLE
   CODE SIZE        =    155    ----
   CONSTANT SIZE    =   ----    ----
   XDATA SIZE       =   ----    ----
   PDATA SIZE       =   ----    ----
   DATA SIZE        =   ----    ----
   IDATA SIZE       =   ----    ----
   BIT SIZE         =   ----    ----
END OF MODULE INFORMATION.


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