320240.c

连线表: CPU=W78E54B CPUClock=12Mhz * // LCM ----- CPU * // WR ----- WR * // RD ----- RD * // CS ---

//                CA320240  SED1335演示程序
//***************************************************************
//*  Support telephone:  [phone] (SHENZHEN SUNSON)        *
//*  Support fax :[phone]  Support E-mail:[e-mail] *
//*  Create by :刘俊(liujun)                                    *
//***************************************************************
//连线表:     CPU=W78E54B   CPUClock=12Mhz                      *
//  LCM   -----   CPU                                           *
//  WR    -----   WR                                            *
//  RD    -----   RD                                            *
//  CS    -----   P2.7                                          *
//  A0    -----   P2.0                                          *
//  DB0~7 -----   P0.0~7                                        *
//***************************************************************
//#pragma src
#include <reg52.h>
#include <stdlib.h>
#include <intrins.h>
#include <stdio.h>


char xdata LcmCmdPort _at_ 0x0101;		// P2.7 --- CS  P2.0 --- A0
char xdata LcmWdataPort _at_ 0x0000;		
sbit Key=P3^4;

#define Uchar unsigned char
#define Uint unsigned int
#define LcmRdataPort LcmCmdPort
#define LcmStatusPort LcmWdataPort
#define SystemSet	0x40				
Uchar code ParaSysTable8[]= {
0x30,0x87,0x07,0x27,0x40,0xf0,0x28,0x00	// P1-P8参数
};
#define Scroll	0x44				
#define BasePart1	0x00
#define BasePart2	0x40
#define BasePart3	0x80
#define BasePart4	0x00
Uchar code ParaScrTableA[]= {
0x00,BasePart1,0xF0,0x00,BasePart2,0xF0,0x00,BasePart3,0x00,BasePart4
};
#define SleepIn		0x53
#define DispOn		0x59
#define DispOff		0x58
#define Ovlay		0x5b
#define HdotScr		0x5a
#define CsrForm		0x5d
#define CgramAdr	0x5c
#define CsrDirR		0x4c
#define CsrDirL		0x4d
#define CsrDirU		0x4e
#define CsrDirD		0x4f
#define CsrW		0x46
#define CsrR		0x47
#define mWrite		0x42
#define mRead		0x43
bit	wAttrib	;				
#define Busy		0x40
#define paraP9		0x28


Uchar code bmp1[];
Uchar code HZTable[];

void LcmInition( void );
void WriteData( Uchar dataW );
Uchar ReadData( void );
void WriteCommand( Uchar CommandByte );
void Delay( Uint );
void LcmClear( void );
void Displayonebmp(Uchar *puts);
void Reverseonebmp (void);
void DelayKey(Uint Second,Uint MS100);
void Locatexy(Uchar x,Uchar y);
void PutHZ(Uchar col,Uchar row,Uchar HZcode);

void Main( void ) {
		
		Uchar i,j,HZ;
		
		Delay(800);
		LcmInition();
		WriteCommand(DispOff);
		LcmClear();
		WriteCommand(DispOn);
		WriteCommand( Ovlay );	
		WriteData( 0x0C );		
		while(1)
		{
			Displayonebmp(bmp1);
			DelayKey(1,5);
			Reverseonebmp();
			DelayKey(1,5);
			LcmClear();
			for(i=16;i<224;i=i+32)
			{
				HZ = 0;
				for(j=3;j<37;j=j+2)
				{
					PutHZ(j,i,HZ++);
				}
			}
			DelayKey(1,5);
			Reverseonebmp();
			DelayKey(1,5);
		}
}


void Displayonebmp (Uchar *puts)
{
	Uint X;
	Uchar i,j;
	X=0;
	WriteCommand( CsrDirR );
	WriteCommand( CsrW );	
	WriteData(0);		
	WriteData(0);
	WriteCommand( mWrite );
	for(i=0;i<240;i++)
	{
		for(j=0;j<40;j++)
		{
			WriteData(puts[X]);
			X++;
		}
	}	

}

void Reverseonebmp (void)
{
	Uchar i,j,csrl=0,csrh=0,Y;
	Uint X;
	WriteCommand( CsrDirR );
	WriteCommand( CsrW );
	WriteData(0);
	WriteData(0);
	for(i=0;i<240;i++)
	{
		for(j=0;j<40;j++)
		{
			WriteCommand(mRead);
			Y=~ReadData();
			WriteCommand( CsrW );//这里也可以不用后面计算得来当前指针坐标
			WriteData(csrl);     //而像前面Displayonebmp2()子函数里面的读取当前指针坐标，然后修正。
			WriteData(csrh);
			WriteCommand(mWrite);
			WriteData(Y);
			X=csrh*256+csrl;
			++X;
			csrl= X & 0xff;
			csrh= X / 256;
		}
	}	
}

//入口参数:	横坐标col	纵坐标row	汉字位置HZcode
//出口参数: 无	(HZcode表示汉字在字模表中的位置)
void PutHZ(Uchar col,Uchar row,Uchar HZcode)
{
	Uchar i,j;
	Uint  x;
	x = 0x20*HZcode;
	WriteCommand( CsrDirR );
	for(i=0;i<16;i++)
	{
		Locatexy(col,row);
		WriteCommand(mWrite);
		for(j=0;j<2;j++)
		{
			WriteData(HZTable[x]);
			x++;
		}
		row++;
	}
}

void Delay(unsigned int MS)
{
	unsigned char us,usn;
	while(MS!=0)
	{
		usn = 2;	//for 12M
		while(usn!=0)
		{
			us=0xf6;
			while (us!=0){us--;};
			usn--;
		}
		MS--;
	}
}


//松山电子演示板专用函数
void DelayKey(unsigned int Second , unsigned int MS100)
{						//输入精确到0.1S,是用,
	unsigned int i;
	for(i=0;i<Second*100+MS100*10;i++)
	{
		if(Key==0)
		{
			Delay(20);
			while(Key==0) {Delay(20);}
			break;
		}
		else Delay(10);
	}				
}

void WriteCommand( Uchar CommandByte ) {

	LcmCmdPort = CommandByte;
}

void WriteData( Uchar dataW ) {
	
	LcmWdataPort = dataW;
}

Uchar ReadData( void ) {
	Uchar Rdata;
	Rdata = LcmCmdPort;
	return Rdata;
}

void Locatexy(Uchar x,Uchar y) 
{
	Uint temp;
	temp = (Uint)y*paraP9+x;
	WriteCommand( CsrW );		
	WriteData( (Uchar)(temp & 0xff) );	
	WriteData( (Uchar)(temp /256 ) );	
}