240160.c

240*160液晶驱动程序

//#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;
sbit BackLight=P3^5;

#define Uchar unsigned char
#define Uint unsigned int
#define LcmRdataPort LcmCmdPort
#define LcmStatusPort LcmWdataPort
#define SystemSet	0x40
Uchar code ParaSysTable8[]= {
0x30,0x87,0x07,0x1d,0x3c,0xa0,0x1e,0x00	// P1-P8参数
};
#define Scroll		0x44
#define BasePart1	0x00
#define BasePart2	0x40
#define BasePart3	0x80
#define BasePart4	0x00
Uchar code ParaScrTableA[]= {
0x00,BasePart1,0xa0,0x00,BasePart2,0xa0,0x00,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		0x1e

Uchar code bmp1[];
Uchar code NumberTable[];
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 DisplayDots(Uchar x,Uchar n);
void DelayKey(unsigned int Second , unsigned int MS100);
void Locatexy(Uchar x,Uchar y);
void PutChar(Uchar col,Uchar row,Uchar number);
void PutHZ(Uchar col,Uchar row,Uchar HZcode);
void DisplayNumber( void );

void Main( void ) {
		Uchar i,j,HZ;
		Delay(30);
		LcmInition();
		WriteCommand(DispOff);
		LcmClear();
		WriteCommand(DispOn);
		WriteCommand( Ovlay );
		WriteData( 0x0C );
		while(1)
		{
			BackLight=1;
			Displayonebmp(bmp1);
			DelayKey(1,5);
			Reverseonebmp();
			DelayKey(1,5);
			LcmClear();
			for(i=0;i<240;i=i+20)
			{
				HZ = 0;
				for(j=0;j<30;j=j+2)
				{
					PutHZ(j,i,HZ++);
				}
			}
			DelayKey(1,5);
			Reverseonebmp();
			DelayKey(1,5);

			DisplayDots(0x55,1);
			DelayKey(1,5);
			DisplayDots(0xaa,1);
			BackLight=0;
			DelayKey(1,5);
			BackLight=1;
			DisplayDots(0x33,2);
			DelayKey(1,5);
			DisplayDots(0xcc,2);
			DelayKey(1,5);
			DisplayDots(0xF0,4);
			DelayKey(1,5);
			DisplayDots(0x0F,4);
			DelayKey(1,5);
			LcmClear();
			while(1)
			{
				DisplayNumber();
//				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<160;i++)
	{
		for(j=0;j<30;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<160;i++)
	{
		for(j=0;j<30;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;
		}
	}
}


void DisplayDots(Uchar x,Uchar n)
{
	Uchar i,j;
	WriteCommand(CsrDirR);
	WriteCommand(CsrW);
	WriteData(0);
	WriteData(0);
	WriteCommand(mWrite);
	for(i=0;i<160/n;i++)
	{
		for(j=0;j<30*n;j++) WriteData(x);
		x=~x;
	}
}

//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 PutChar(Uchar col,Uchar row,Uchar number)
{
	Uchar i,j;
	Uint x;
	x=number*54;
	WriteCommand(CsrDirR);
	for(i=0;i<27;i++)
	{
		Locatexy(col,row);
		WriteCommand(mWrite);
		for(j=0;j<2;j++)
		{
			WriteData(NumberTable[x]);
			x++;
		}
		row++;
	}
}

void DisplayNumber( void )
{
	Uchar x,y,number;
	x=y=number=0;
	for(number=0;number<10;number++)
	{
		for(x=0;x<6;x++)
		{
			for(y=0;y<4;y++)
			{
				PutChar((x*5),(y*40),number);
//				Delay(10);
			}
		}
//		Delay(100);
	}
}



void Delay(Uint MS)
	{
		Uchar us,usn;
		while(MS!=0)
			{ usn = 2;
				while(usn!=0)
					{
						us=0xf0;
						while (us!=0){us--;};
						usn--;
					}
				MS--;
			}
	}


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);
	}