#include?????		//52系列單片機頭文件
#define?uchar?unsigned?char
#define?uint?unsigned?int?
uchar??code?dis[]={0x060x5b0x4f0x660x6d0x7d0x070x7f0x080x400x010x390x5E0x790x710x3F};	?//1-F?、0
uint??code?yinse[]={636286383664020641036426064400645246458064694647776482064898649686503065058651106516465178652176525265283};//低1~7、中1~7、高1~7
uchar?code?music1[]={88121213131211111010998121211111010912121111101098812121313121111101099810080};//音調
uchar?code?music2[]={4810048571157137134568464864857115710080};
uchar?code?music3[]={121012101213121013128891012109100101210080};
uchar?code?music4[]={58101287101212131415131210988810988891099610910080};
uint?code?de1[]={222222422222242222224222222422222242222224};//節奏
uint?code?de2[]={11014111141111410.50.51141111411114};
uint?code?de3[]={21116111142112112014};
uint?code?de4[]={1212121212121611212112121121226};
uchar?code?dis1[]={0x3F0x060x5b0x4f0x660x6d0x7d0x070x7f0x6f0x770x7c0x390x5E0x790x71};
uint?time=100;
uchar?own[50];
uchar?index=0;
char?jilu=0;
char?bofang=0;
//key?8?低音?9中音?10高音????14?手動??15自動
char?mode=0;//手動
uchar?yindiao=0;//低音?初值yinse[num+yindiao*7]
sbit?rect_wave=P2^3;
sbit?dula=P2^6;		//申明U1鎖存器的鎖存端	?
sbit?wela=P2^7;		//申明U2鎖存器的鎖存端			
uchar?code?table[]={0x060x5b0x4f0x660x6d0x7d0x070x7C0x080x400x010x390x5E0x790x710x3F};
uint?th=0;
uchar?show[]={0x000x080x3F0x3F0x3f0x3F};//六個數碼管顯示的內容
void?delayms（uint?xms）				
{
	uint?ij;
	for（i=xms;i>0;i--）		??????//i=xms即延時約xms毫秒
		for（j=110;j>0;j--）;
}

void?int_timer?（）//定時器0初始化?輸出一定頻率的方波
{
	TMOD=0x11;
	TH0=th/256;
	TL0=th%256;
	EA=1;
	ET0=1;
	TR0=1;
}

void?Timer0_ISR（void）?interrupt?1
{
	TH0=th/256;
	TL0=th%256;
	rect_wave=!rect_wave;
}


void?simple（uchar?numuint?tim）//播放單個音符
{???
		th=yinse[num];
	??int_timer（）;
	??delayms（tim）;
	??TR0=0;//關閉中斷
	??rect_wave=1;
}
void?music?（uchar?mu[]uint?d[]）//播放曲子
{		uint?k;
????for（k=0;mu[k]!=80;k++）
			{???for（;mu[k]!=100;k++）
				{
					time=d[k]*300;
					simple（mu[k]-1time）;//time?音符的節奏拍子長短
					delayms（10）;
				}
				?delayms（80）;
			}
			jilu=0;
		??bofang=0;
}
void?mus（uchar?mu[]）?//播放儲存的曲子
{		uint?k;
????for（k=0;mu[k]!=80;k++）
			{???for（;mu[k]!=100;k++）
				{
					
					simple（mu[k]-1300）;
					delayms（300）;
				}
				?delayms（80）;
			}
}
void?notsimple（uchar?num）//播放曲子?判斷曲號/儲存的曲子
{??
	?switch（num）
????????{
??????????case?0:	?
???????????????music（music1de1）;
???????????????break;
??????????case?1:	
							?music（music2de2）;
???????????????break;
??????????case?2:
???????????????music（music3de3）;
???????????????break;
??????????case?3:
???????????????music（music4de4）;
???????????????break;
					d

?屬性????????????大小?????日期????時間???名稱
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?????文件?????114747??2019-01-11?13:13??基于51單片機的數字電子琴\HL-1原理圖.pdf

?????文件???????5746??2019-01-11?13:16??基于51單片機的數字電子琴\music.c

????.......?????70766??2019-01-11?13:16??基于51單片機的數字電子琴\music.uvgui.15520

????.......??????4667??2019-01-11?13:16??基于51單片機的數字電子琴\music.uvopt

????.......?????13900??2019-01-11?13:16??基于51單片機的數字電子琴\music.uvproj

?????目錄??????????0??2019-01-11?13:14??基于51單片機的數字電子琴\Listings

?????目錄??????????0??2019-01-11?13:14??基于51單片機的數字電子琴\objects

?????目錄??????????0??2019-01-11?13:16??基于51單片機的數字電子琴

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???????????????209826????????????????????8