#include <reg52.h>
#define uchar unsigned char
#define uint unsigned int
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};
connie lai
//生日快乐歌的音符频率表,不同频率由不同的延时来决定 关于企业加强
职工福利费
财务管理的通知
mhlsuchar 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};
void delay(uint x)
{
uchar t;
while(x--)我的狼外婆
for(t=0;t<120;t++);
核工业工程技术研究设计院}
void playmusic()
{
uint i=0,j,k;
while(SONG_TONE[i]!=0||SONG_LONG[i]!=0)
{
for(j=0;j<SONG_LONG[i]*20;j++) //播放个个音符,SONG_LONG为音拍个个长度
{
beep=~beep;
for(k=0;k<SONG_TONE[i]/3;k++); //SONG_TONE延时决定了每个音符的频率
}
delay(10);
i++;
}
}
void main ()
{
beep=0;
while(1)
{
playmusic();
激情5月天delay(500);
}
}