lcd.lst

在DS1602上显示时间,并且可以使用三个按键来调节时间,一个是功能键,一个是加键,一个是减键!

C51 COMPILER V8.02   LCD                                                                   03/15/2009 13:19:11 PAGE 1   


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

line level    source

   1          #include "define.h"
   2          
   3          void delay(uint z)
   4          {
   5   1              uint x,y;
   6   1              for(x=z;x>0;x--)
   7   1                      for(y=110;y>0;y--);
   8   1      }
   9          void write_com(uchar com)
  10          {
  11   1              lcdrs=0;
  12   1              P2=com;
  13   1              delay(1);
  14   1              lcden=1;
  15   1              delay(2);
  16   1              lcden=0;
  17   1      }
  18          
  19          void write_data(uchar date)
  20          {
  21   1              lcdrs=1;
  22   1              P2=date;
  23   1              delay(1);
  24   1              lcden=1;
  25   1              delay(2);
  26   1              lcden=0;
  27   1      }
  28          void init()
  29          {
  30   1              
  31   1              lcden=0;
  32   1              yy=0;
  33   1              write_com(0x38); //     8位数据接口，两行显示，5*7点阵字符
  34   1              write_com(0x0c);//显示打开，光标关， 光标闪烁关
  35   1              write_com(0x06); //AC自增，画面不动
  36   1              write_com(0x01);//清屏
  37   1              write_com(0x80);
  38   1          TMOD=0x01;
  39   1              TH0=(65536-50000)/256;
  40   1              TL0=(65536-50000)%256;
  41   1              EA=1;
  42   1              ET0=1;
  43   1              TR0=1;
  44   1      }


MODULE INFORMATION:   STATIC OVERLAYABLE
   CODE SIZE        =    106    ----
   CONSTANT SIZE    =   ----    ----
   XDATA SIZE       =   ----    ----
   PDATA SIZE       =   ----    ----
   DATA SIZE        =   ----    ----
   IDATA SIZE       =   ----    ----
   BIT SIZE         =   ----    ----
END OF MODULE INFORMATION.

C51 COMPILER V8.02   LCD                                                                   03/15/2009 13:19:11 PAGE 2   


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