lcd1.lst

用51单片机控制、驱动1602液晶显示字符程序

C51 COMPILER V8.02   LCD1                                                                  04/12/2008 10:03:57 PAGE 1   


C51 COMPILER V8.02, COMPILATION OF MODULE LCD1
OBJECT MODULE PLACED IN lcd1.OBJ
COMPILER INVOKED BY: F:\学习软件\k51\Keil c51 v802\C51\BIN\C51.EXE lcd1.c BROWSE DEBUG OBJECTEXTEND

line level    source

   1          #include<reg51.h>
   2          #define uchar usigned char
   3          #define uint usigned int
   4          sfr p2_5 =p2^5
*** ERROR C141 IN LINE 4 OF LCD1.C: syntax error near 'p2', expected 'const'
   5          sfr p2_7 =p2^7
   6          
   7          sbit lcden=p2^5;
   8          sbit lcdrs=P2^7;
   9          void delay(int z)
  10          {
  11   1      int x,y;
  12   1      for(x=z;x>0;x--);
  13   1      for(y=110;y>0;y--);
  14   1      }
  15          void init()
  16          {
  17   1      lcdrs=0;
  18   1      write_com(0x38);
  19   1      write_com(0x0e);
  20   1      write_com(0x06);
  21   1      write_com(0x01);
  22   1      write_com(0x80);
  23   1      }
  24          void write_com(uchar_com)
  25          {
  26   1      lcdrs=0;
  27   1      p0=com;
  28   1      delay(5);
  29   1      lcden=1;
  30   1      delay(5);
  31   1      lcden=0;
  32   1      }
  33          void main()
  34          {
  35   1      init();
  36   1      write_data('1');
  37   1      while(1)
  38   1      }

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