lcd.lst

maxim的AD191的AD采样控制程序

C51 COMPILER V7.09   LCD                          08/11/2005 09:23:12 PAGE 1   


C51 COMPILER V7.09, COMPILATION OF MODULE LCD
OBJECT MODULE PLACED IN .\lcd.obj
COMPILER INVOKED BY: c:\Keil\C51\BIN\C51.EXE ..\..\LCD\lcd.c DEBUG OBJECTEXTEND
                    - PRINT(.\lcd.lst) PAGEWIDTH(79) PAGELENGTH(66) OBJECT(.\lcd.obj)

line level    source

   1          //RS  (CS)      O       H: Data    L: Instruction Code
   2          //R/W (SID)     O       H: Read    L: Write
   3          
   4          #include"reg51.h"  
   5          #define unchar unsigned char
   6          #define unint unsigned int 
   7          #define LCDDATA P0
   8          sbit RS=P2^0;
   9          sbit RW=P2^1;
  10          sbit EN=P2^2;
  11          //sbit EN=P1^7;
  12          //extern void disp_graphic(unsigned int ru_kou);
  13          
  14          void delay20us(void)
  15          {
  16   1              unchar n;
  17   1              for(n=0;n<15;n++);
  18   1      }
  19          
  20          void delay15ms(void)
  21          {
  22   1              unint n;
  23   1              for(n=0;n<4800;n++);
  24   1      }
  25          
  26          void delay125us(void)
  27          {
  28   1              unchar n;
  29   1              for(n=0;n<100;n++);
  30   1      }
  31          
  32          //EN下降沿写入数据
  33          void lcd_write_command(unchar c) //向LCD模块的命令寄存器写一个字