lcd_control.lst

基于51单片机ds1302温度测量源码加仿真

C51 COMPILER V8.05a   LCD_CONTROL                                                          02/24/2009 20:22:56 PAGE 1   


C51 COMPILER V8.05a, COMPILATION OF MODULE LCD_CONTROL
OBJECT MODULE PLACED IN lcd_control.OBJ
COMPILER INVOKED BY: D:\Program Files\Keil\C51\BIN\C51.EXE lcd_control.c BROWSE DEBUG OBJECTEXTEND

line level    source

   1          #include <at89x51.h>
   2          #include "lcd_h.h"
   3          extern char LCDnum[10];
   4          void delayms(unsigned char ms)  
   5          // 延时子程序
   6          {                                               
   7   1              unsigned char i;
   8   1              while(ms--)
   9   1              {
  10   2                      for(i = 0; i < 120; i++);
  11   2              }
  12   1      }
  13          void delay()
  14          {
  15   1           unsigned int i=0;
  16   1           for (i=0;i<200;i++);
  17   1      }
  18          void write_LCD_command(unsigned command)
  19          {
  20   1           rw=WRITE;
  21   1               rs=COMMAND;
  22   1               enable=ENABLE;
  23   1               P0=command;
  24   1               delay();
  25   1               enable=DISABLE;
  26   1               rw=READ;
  27   1      }
  28          void write_LCD_data(unsigned LCDdata)
  29          {
  30   1           rw=WRITE;
  31   1               rs=DATA;
  32   1               enable=ENABLE;
  33   1               P0=LCDdata;
  34   1               delay();
  35   1               enable=DISABLE;
  36   1               rw=READ;
  37   1      }
  38          void init_LCD(void)
  39          {
  40   1           write_LCD_command(twoline_8bit);
  41   1           write_LCD_command(GOTO_LINE_2+1);
  42   1           write_LCD_command(CURSOR_OFF);
  43   1           write_LCD_command(CURSOR_LEFT);
  44   1               //write_LCD_command(CURSOR_0N_BLINK);
  45   1      }
  46          void clear_LCD(void)
  47          {
  48   1           write_LCD_command(CLEAR);
  49   1           write_LCD_command(CURSOR_HOME);
  50   1      }
  51          void display_LCD_string(char *p)
  52          {
  53   1           while(*p)
  54   1           {
  55   2                write_LCD_data(*p);
C51 COMPILER V8.05a   LCD_CONTROL                                                          02/24/2009 20:22:56 PAGE 2   

  56   2                p++;
  57   2           }
  58   1      }
  59          void movexy(unsigned x,unsigned y)
  60          {
  61   1           if (x==1)
  62   1                  write_LCD_command(GOTO_LINE_1+y);
  63   1               else
  64   1                  write_LCD_command(GOTO_LINE_2+y);
  65   1      }


MODULE INFORMATION:   STATIC OVERLAYABLE
   CODE SIZE        =    152    ----
   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)