vipin.lst

Embedded Programming LCD charcter display

C51 COMPILER V6.10  VIPIN                                                                  11/10/2008 14:35:21 PAGE 1   


C51 COMPILER V6.10, COMPILATION OF MODULE VIPIN
OBJECT MODULE PLACED IN .\vipin.OBJ
COMPILER INVOKED BY: C:\Keil\C51\BIN\C51.EXE .\vipin.c DEBUG OBJECTEXTEND

stmt level    source

*** WARNING C500 IN LINE 1 OF .\VIPIN.C: MISSING DEVICE (SECURITY KEY NOT FOUND)
   1          #include <AT89x52.h>
   2          #include<string.h>
   3          #include<intrins.h>
   4          
   5          sbit RS = P1^0;
   6          sbit RW = P1^1;
   7          sbit E = P1^2;
   8          
   9          void command(char);
  10          void delay_lcd(int);
  11          void loadcharacter(char);
  12          void write_lcd(char);
  13          
  14          void main()
  15          {
  16   1      char lcd_int=0x38;
  17   1      char lcd_set=0x0e;
  18   1      char lcd_clr=0x01;
  19   1      char lcd_line1=0x80;
  20   1      
  21   1      command(lcd_int);
  22   1      delay_lcd(20);
  23   1      
  24   1      command(lcd_set);
  25   1      delay_lcd(20);
  26   1      
  27   1      command(lcd_clr);
  28   1      delay_lcd(20);
  29   1      
  30   1      command(lcd_line1);
  31   1      delay_lcd(20);
  32   1      
  33   1      loadcharacter('w');
  34   1      }
  35          
  36          void command(char cmd)
  37          {
  38   1      P2 = cmd;
  39   1      RS = 0;
  40   1      RW = 0;
  41   1      E = 1;
  42   1      delay_lcd(1);
  43   1      E = 0;
  44   1      }
  45          
  46          void loadcharacter(char c)
  47          {
  48   1      write_lcd(c);
  49   1      delay_lcd(100);
  50   1      }
  51          
  52          void write_lcd(char inf)
  53          {
  54   1      P2 = inf;
C51 COMPILER V6.10  VIPIN                                                                  11/10/2008 14:35:21 PAGE 2   

  55   1      RS = 1;
  56   1      RW = 0;
  57   1      E = 1;
  58   1      delay_lcd(1);
  59   1      E = 0;
  60   1      }
  61          
  62          void delay_lcd(int ms)
  63          {
  64   1      int i,j;
  65   1      for(i=0;i<ms;i++)
  66   1      {
  67   2      for(j=0;j<102;j++)
  68   2      _nop_();
  69   2      }
  70   1      }


MODULE INFORMATION:   STATIC OVERLAYABLE
   CODE SIZE        =    135    ----
   CONSTANT SIZE    =   ----    ----
   XDATA SIZE       =   ----    ----
   PDATA SIZE       =   ----    ----
   DATA SIZE        =   ----       3
   IDATA SIZE       =   ----    ----
   BIT SIZE         =   ----    ----
END OF MODULE INFORMATION.


C51 COMPILATION COMPLETE.  1 WARNING(S),  0 ERROR(S)