lcd1602.lst

LCD1602的单片机驱动程序。。。希望对大家有用

C51 COMPILER V8.02   LCD1602                                                               10/25/2008 22:29:03 PAGE 1   


C51 COMPILER V8.02, COMPILATION OF MODULE LCD1602
OBJECT MODULE PLACED IN LCD1602.OBJ
COMPILER INVOKED BY: C:\Keil\C51\BIN\C51.EXE LCD1602.c BROWSE DEBUG OBJECTEXTEND

line level    source

   1          #include <reg52.h>
   2          #include "lcd1602.h"
   3          
   4          uchar code *time="time 19:20:30";
   5          
   6          delayms(uint i)
   7          {
   8   1       while(i--);
   9   1      }
  10          
  11          //写指令
  12          void WriteCommand(uchar Command)
  13          {
  14   1       E=0;
  15   1       RS=0;
  16   1       delayms(600);
  17   1       RW=0;
  18   1       delayms(600);
  19   1       LCDData=Command;
  20   1       delayms(600);
  21   1       E=1;
  22   1       E=0;
  23   1      }
  24          //写数据
  25          void WriteData(uchar Data)
  26          {
  27   1       delayms(900);
  28   1       E=0;
  29   1       RS=1;
  30   1       RW=0;
  31   1       LCDData=Data;
  32   1       E=1;
  33   1       E=0;
  34   1      }
  35          //在指定的位置写字符串
  36          void WriteString(uchar Address,uchar *string)
  37          {
  38   1       WriteCommand(Address); 
  39   1       while(!(*string=='\0'))
  40   1       {
  41   2        WriteData(*string);
  42   2        string++;
  43   2       }
  44   1      }
  45          
  46          //初始化1602液晶
  47          void InitLCD1602()
  48          {
  49   1       WriteCommand(0x38);
  50   1       delayms(200);
  51   1       WriteCommand(0x0f);
  52   1       delayms(200);
  53   1       WriteCommand(0x06);
  54   1       delayms(200);
  55   1       WriteCommand(0x01);
C51 COMPILER V8.02   LCD1602                                                               10/25/2008 22:29:03 PAGE 2   

  56   1      }
  57          
  58          
  59          void main()
  60          {
  61   1       InitLCD1602();
  62   1       WriteCommand(0x80);
  63   1       delayms(900);
  64   1       WriteData(0x31);
  65   1       WriteData(0x32);
  66   1       WriteData(0x34);
  67   1       WriteString(0x80,time);
  68   1       WriteCommand(0x8d);
  69   1       WriteData(0x38);
  70   1       while(1);
  71   1      }


MODULE INFORMATION:   STATIC OVERLAYABLE
   CODE SIZE        =    177    ----
   CONSTANT SIZE    =     14    ----
   XDATA SIZE       =   ----    ----
   PDATA SIZE       =   ----    ----
   DATA SIZE        =      2    ----
   IDATA SIZE       =   ----    ----
   BIT SIZE         =   ----    ----
END OF MODULE INFORMATION.


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