mylcd.c

这是符合国家一级汉字标准的汉字显示液晶模块程序

#pragma	SFR		//special function register 	
#pragma NOP	
#pragma	DI		
#pragma	EI

#include "MyDefine.h"

#define s_g_DataPort P8				// data port 这样定义可以吗？是不是Uchar s_g_DataPort = P8?

#define		s_g_RS 		P9.1                                              
#define		s_g_RW		P9.2                                              
#define		s_g_E1		P9.3                                                 																																																												
#define		s_g_E2		P0.0                                                 																																																												
#define		s_g_RST		P9.0                                                 																																																												
#define		s_g_LCDLEDCTL	P0.1		//set to 0 when initialized  																																																												 
#define		s_g_LCDPWRCTL	P0.2		//set to 0 when initialized  																																																												 
#define		s_g_BusyFlag	P8.0      

void DisplayStr(Uchar x,Uchar y, Uchar *ptr); 
void DispOneChar(Uchar x,Uchar y,Uchar Wdata); 
void LocateXY( char posx,char posy);

Uchar BitsReverse(Uchar value);		//Bits of value are reversed   
void LcdReset(); 
void Delay100us();		//延时100us，通过实验实现；是否100us合适，也需要实验！未完！！
void Delay100ms();
void WaitForEnableU();
void WaitForEnableD();

void LcdWriteDataU(char dataW);	        //By invoking the function BitsReverse() firstly, the cmd is reversed.
void LcdWriteDataD(char dataW);		//By invoking the function BitsReverse() firstly, the cmd is reversed.
void LcdWriteCommandU( Uchar cmd,Uchar attribBusyFlg );  //By invoking the function BitsReverse() firstly, the cmd is reversed.
void LcdWriteCommandD( Uchar cmd,Uchar attribBusyFlg );	 //By invoking the function BitsReverse() firstly, the cmd is reversed.

//extern void Delay100us();		//延时100us，通过实验实现；是否100us合适，也需要实验！未完！！  
/*=======================================================
* LCD initial
=======================================================*/
void LcdReset() 
{
	
	
//初始化时不需检测忙碌标志位？？？？

 //  	LcdWriteCommand( 0x38, 0);			// 显示模式设置(不检测忙信号)  
//		Delay5Ms();                                                            
//	LcdWriteCommand( 0x38, 0);			// 共