lcd.h

基于MCS-51单片机的音乐播放器C程序

#ifndef __LCD__
#define __LCD__
sbit rs=P3^2;
sbit rw=P3^3;
sbit en=P3^4;
sbit key_left=P1^0;
sbit key_right=P1^1;

#define uchar unsigned char
#define uint unsigned int
uchar code opens[]="MACROSS";
uchar code opens1[]="FRONTIER";
uchar code hanzi[3][8]={0x1f,0x11,0x11,0x1f,0x11,0x11,0x1f,0x00,
					   0x0f,0x09,0x0f,0x09,0x0f,0x09,0x11,0x00,
					   0x08,0x0f,0x12,0x0f,0x0a,0x1f,0x02,0x02};
void open();
void ini(); 
void write_order(uchar order);
void write_date(uchar date);
void delay(uchar z);
void writeCG();
void ini()
{
	rw=0;
	en=0;
	P1=0xff;
	writeCG();
	write_order(0x38);
	write_order(0x0c);
	write_order(0x06);
	write_order(0x01);
	

}
void write_order(uchar order)
{
	rs=0;
	P2=order;
	delay(4);
	en=1;
	delay(4);
	en=0;
}
void write_date(uchar date)
{	
	rs=1;
	P2=date;
	delay(4);
	en=1;
	delay(4);
	en=0;
}
void delay(uchar z)
{
	uchar x,y;
	for(x=z;x>0;x--)
		for(y=110;y>0;y--);
}
void writeCG()
{
	uchar x,y;
	write_order(0x40);
	for(y=0;y<3;y++)
	{
		for(x=0;x<8;x++)
		{
			write_date(hanzi[y][x]);
		}
	}
	
}
void open()
{
	uchar num;
	write_order(0x80+0x10);
	for(num=0;opens[num]!='\0';num++)
	{
		write_date(opens[num]);
		delay(20);
	}

	
			for(num=0;num<16;num++)
	{
		write_order(0x1c);
		delay(200);
	}
			for(num=0;num<5;num++)
	{
		write_order(0x18);
		delay(200);
	}
			for(num=0;num<4;num++)
	{
		write_order(0x1c);
		delay(200);
	}
			for(num=0;num<3;num++)
	{
		write_order(0x18);
		delay(200);
	}
			for(num=0;num<2;num++)
	{
		write_order(0x1c);
		delay(200);
	}
			for(num=0;num<1;num++)
	{
		write_order(0x18);
		delay(100);
	}
	write_order(0x80+0x53);
	for(num=0;opens1[num]!='\0';num++)
	{
		write_date(opens1[num]);
		delay(500);
	}
}
#endif