C51 蜂鳴器生日快樂代碼

#include

#define uint unsigned int

#defineuchar unsigned char

sbit beep = P1^5;

uchar code SONG_TONE[]={212,212,190,212,159,169,212,212,190,212,142,159,

212,212,106,126,159,169,190,119,119,126,159,142,159,0};

uchar code SONG_LONG[]={9,3,12,12,12,24,9,3,12,12,12,24,

9,3,12,12,12,12,12,9,3,12,12,12,24,0};

//延時(shí)

void DelayMS(uint x)

{

uchar t;

while(x--) for(t=0;t<120;t++);

}

void PlayMusic()

{

uint i=0,j,k;

while(SONG_LONG[i]!=0||SONG_TONE[i]!=0)

{ //播放各個(gè)音符，SONG_LONG 為拍子長(zhǎng)度

for(j=0;j

{

beep=~beep;

//SONG_TONE 延時(shí)表決定了每個(gè)音符的頻率

for(k=0;k

}

DelayMS(10);

i++;

}

}

void main()

{

beep=0;

while(1)

{

PlayMusic(); //播放生日快樂

DelayMS(500); //播放完后暫停一段時(shí)間

}

}