lcd.lst

单片机C和汇编程序代码,其中有EEPROM,LCD的使用.

C51 COMPILER V6.12  LCD                                                                    03/25/2008 17:43:19 PAGE 1   


C51 COMPILER V6.12, COMPILATION OF MODULE LCD
OBJECT MODULE PLACED IN .\lcd.OBJ
COMPILER INVOKED BY: D:\keil\C51\BIN\C51.EXE .\lcd.c DEBUG OBJECTEXTEND

stmt level    source

   1          	#include<reg51.h>
   2          	#define uchar unsigned char
   3          	sbit RS=P0^2;
   4          	sbit RW=P0^3;
   5          	sbit E=P0^4;
   6          	void init();
   7          	void wc51r(uchar i);
   8          	void wc51ddr(uchar j);
   9          	void fbusy();
  10          	void delay();
  11          	void main()
  12          {	SP=0x50;
  13   1      	init();
  14   1      	wc51r(0x80);
  15   1      	wc51ddr(0x47);
  16   1      	wc51ddr(0x4f);
  17   1      	wc51ddr(0x4f);
  18   1      	wc51ddr(0x44);
  19   1      	wc51r(0xc5);
  20   1      	wc51ddr(0x42);
  21   1      	wc51ddr(0x59);
  22   1      	wc51ddr(0x45);
  23   1      	while(1);
  24   1      }
  25          //初始化函数
  26          	void init()
  27          {	RS=0;RW=0;
  28   1      	wc51r(0x01);
  29   1      	wc51r(0x38);
  30   1      	wc51r(0x0e);
  31   1      	wc51r(0x06);
  32   1      }
  33          //检测忙函数
  34          	void fbusy()
  35          {	P2=0xff;
  36   1      	RS=0;RW=1;
  37   1      	E=1;
  38   1      	while((P2&0x80)==0x80);
  39   1      	E=0;
  40   1      }
  41          //写命令
  42          	void wc51r(uchar i)
  43          {
  44   1      	fbusy();
  45   1      	E=0;
  46   1      	RS=0;RW=0;
  47   1      	E=1;
  48   1      	P2=i;
  49   1      	E=0;
  50   1      	delay();
  51   1      }	
  52          //写数据函数
  53          	void wc51ddr(uchar j)
  54          {
  55   1      	fbusy();
C51 COMPILER V6.12  LCD                                                                    03/25/2008 17:43:19 PAGE 2   

  56   1      	RS=1;RW=0;
  57   1      	E=1;
  58   1       	P2=j;
  59   1      	E=0;
  60   1      	delay();	
  61   1      }
  62          //延时函数
  63          	void	delay()
  64          {
  65   1      	uchar y;
  66   1      	for(y=0;y<0xff;y++)
  67   1      	{;}
  68   1      }


MODULE INFORMATION:   STATIC OVERLAYABLE
   CODE SIZE        =    127    ----
   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)