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基于51單片機(jī)的利用定時器產(chǎn)生樂曲設(shè)計

09/26 16:51
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#include<reg52.h>? ????? ???????//庫文件

#define uchar unsigned char//宏定義無符號字符型

#define uint unsigned int? //宏定義無符號整型

/********************************************************************

初始定義

*********************************************************************/

uchar Count;

sbit _Speak =P3^7 ; //訊響器控制腳

/********************************************************************

歌曲字根碼

*********************************************************************/

unsigned char code SONG[] ={ //祝你平安

0x26,0x20,0x20,0x20,0x20,0x20,0x26,0x10,0x20,0x10,0x20,0x80,0x26,0x20,0x30,0x20,

0x30,0x20,0x39,0x10,0x30,0x10,0x30,0x80,0x26,0x20,0x20,0x20,0x20,0x20,0x1c,0x20,

0x20,0x80,0x2b,0x20,0x26,0x20,0x20,0x20,0x2b,0x10,0x26,0x10,0x2b,0x80,0x26,0x20,

0x30,0x20,0x30,0x20,0x39,0x10,0x26,0x10,0x26,0x60,0x40,0x10,0x39,0x10,0x26,0x20,

0x30,0x20,0x30,0x20,0x39,0x10,0x26,0x10,0x26,0x80,0x26,0x20,0x2b,0x10,0x2b,0x10,

0x2b,0x20,0x30,0x10,0x39,0x10,0x26,0x10,0x2b,0x10,0x2b,0x20,0x2b,0x40,0x40,0x20,

0x20,0x10,0x20,0x10,0x2b,0x10,0x26,0x30,0x30,0x80,0x18,0x20,0x18,0x20,0x26,0x20,

0x20,0x20,0x20,0x40,0x26,0x20,0x2b,0x20,0x30,0x20,0x30,0x20,0x1c,0x20,0x20,0x20,

0x20,0x80,0x1c,0x20,0x1c,0x20,0x1c,0x20,0x30,0x20,0x30,0x60,0x39,0x10,0x30,0x10,

0x20,0x20,0x2b,0x10,0x26,0x10,0x2b,0x10,0x26,0x10,0x26,0x10,0x2b,0x10,0x2b,0x80,

0x18,0x20,0x18,0x20,0x26,0x20,0x20,0x20,0x20,0x60,0x26,0x10,0x2b,0x20,0x30,0x20,

0x30,0x20,0x1c,0x20,0x20,0x20,0x20,0x80,0x26,0x20,0x30,0x10,0x30,0x10,0x30,0x20,

0x39,0x20,0x26,0x10,0x2b,0x10,0x2b,0x20,0x2b,0x40,0x40,0x10,0x40,0x10,0x20,0x10,

0x20,0x10,0x2b,0x10,0x26,0x30,0x30,0x80,0x00,

//路邊的野華不要采

0x30,0x1C,0x10,0x20,0x40,0x1C,0x10,0x18,0x10,0x20,0x10,0x1C,0x10,0x18,0x40,0x1C,

0x20,0x20,0x20,0x1C,0x20,0x18,0x20,0x20,0x80,0xFF,0x20,0x30,0x1C,0x10,0x18,0x20,

0x15,0x20,0x1C,0x20,0x20,0x20,0x26,0x40,0x20,0x20,0x2B,0x20,0x26,0x20,0x20,0x20,

0x30,0x80,0xFF,0x20,0x20,0x1C,0x10,0x18,0x10,0x20,0x20,0x26,0x20,0x2B,0x20,0x30,

0x20,0x2B,0x40,0x20,0x20,0x1C,0x10,0x18,0x10,0x20,0x20,0x26,0x20,0x2B,0x20,0x30,

0x20,0x2B,0x40,0x20,0x30,0x1C,0x10,0x18,0x20,0x15,0x20,0x1C,0x20,0x20,0x20,0x26,

0x40,0x20,0x20,0x2B,0x20,0x26,0x20,0x20,0x20,0x30,0x80,0x20,0x30,0x1C,0x10,0x20,

0x10,0x1C,0x10,0x20,0x20,0x26,0x20,0x2B,0x20,0x30,0x20,0x2B,0x40,0x20,0x15,0x1F,

0x05,0x20,0x10,0x1C,0x10,0x20,0x20,0x26,0x20,0x2B,0x20,0x30,0x20,0x2B,0x40,0x20,

0x30,0x1C,0x10,0x18,0x20,0x15,0x20,0x1C,0x20,0x20,0x20,0x26,0x40,0x20,0x20,0x2B,

0x20,0x26,0x20,0x20,0x20,0x30,0x30,0x20,0x30,0x1C,0x10,0x18,0x40,0x1C,0x20,0x20,

0x20,0x26,0x40,0x13,0x60,0x18,0x20,0x15,0x40,0x13,0x40,0x18,0x80,0x00,};

/********************************************************************

定時中斷服務(wù)函數(shù)

*********************************************************************/

void Time0_Init()

{

TMOD = 0x01;

IE = 0x82;

TH0 = 0xD8;

TL0 = 0xEF; //12MZ晶振,10ms

}

/*********************************************************************/

void Time0_Int() interrupt 1

{

TH0 = 0xD8;

TL0 = 0xEF;

Count++; //長度加1

}

/*********************************************************************/

void Delay_xMs(unsigned int x) //1MS 延時子程序

{

unsigned int i,j;

for( i =0;i < x;i++ )

{

for( j =0;j<3;j++ );

}

}

/*********************************************************************/

void Play_Song(unsigned char i) //:歌曲播放子程序i 為播放哪一段曲目

{

unsigned char Temp1,Temp2;

unsigned int Addr;

Count = 0; //中斷計數(shù)器清0

Addr = i * 217;

while(1)

{

Temp1 = SONG[Addr++];

if ( Temp1 == 0xFF ) //休止符

{

TR0 = 0; Delay_xMs(100);

}

else if ( Temp1 == 0x00 ) //歌曲結(jié)束符

{

return;

}

else

{

Temp2 = SONG[Addr++];

TR0 = 1;

while(1)

{

Count = 0;

break;

}

}

}

}

}

void main() //主程序

{

Time0_Init(); //定時器0 中斷初始化

while(1)

{

}

}

  • 有需要資料的可了解一下.docx

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