蜂鸣器生日快乐歌_蜂鸣器生日歌vhdl

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/*******************************************************************/ /* SC5204单片机实验板实验例程

*/ /*蜂鸣器生日快乐歌

*/ /* 2012年5月

*/ /* 作者：雷国强

*/ /* 邮箱：940762196@qq.com

*/ /*【声明】此程序仅用于学习与参考，引用请注明版权和作者信息！

*/ /*

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

// 生日快乐歌

/*******************************************************************/ #include sbit

Buzzer=P3^7;

unsigned char timer0h,timer0l,time;

//生日歌

code unsigned char zymmh[]={5,1,1, 5,1,1, 6,1,2, 5,1,2, 1,2,2, 7,1,4,5,1,1, 5,1,1, 6,1,2, 5,1,2, 2,2,2, 1,2,4,5,1,1, 5,1,1, 5,2,2, 3,2,2, 1,2,2, 7,1,2, 6,1,2,4,2,1, 4,2,1, 3,2,2, 1,2,2, 2,2,2, 1,2,4};

// 音阶频率表 高八位 code unsigned char FREQH[]={

0xF2,0xF3,0xF5,0xF5,0xF6,0xF7,0xF8，0xF9,0xF9,0xFA,0xFA,0xFB,0xFB,0xFC,0xFC, //1,2,3,4,5,6,7,8,i

0xFC,0xFD,0xFD,0xFD,0xFD,0xFE,0xFE,0xFE,0xFE,0xFE,0xFE,0xFE,0xFF,};

// 音阶频率表 低八位 code unsigned char FREQL[]={

0x42,0xC1,0x17,0xB6,0xD0,0xD1,0xB6,0x21,0xE1,0x8C,0xD8,0x68,0xE9,0x5B,0x8F, //1,2,3,4,5,6,7,8,i

0xEE,0x44, 0x6B,0xB4,0xF4,0x2D,0x47,0x77,0xA2,0xB6,0xDA,0xFA,0x16,};void delay(unsigned char t)

{

unsigned char t1;

unsigned long t2;

for(t1=0;t1

{

for(t2=0;t2

{

;

}

}

TR0=0;} void t0int()interrupt 1 { TR0=0;Buzzer=!Buzzer;TH0=timer0h;TL0=timer0l;TR0=1;} void song(){ TH0=timer0h;TL0=timer0l;TR0=1;delay(time);

}

void main(void){ unsigned char k,i;TMOD=1;//置CT0定时工作方式1 EA=1;ET0=1;//CPU开中断,CT0开中断

while(1)

{

i=0;

while(i

//音乐数组长度，唱完从头再来

k=zymmh[i]+7*zymmh[i+1]-1;

timer0h=FREQH[k];

timer0l=FREQL[k];

time=zymmh[i+2];

i=i+3;

song();

}

}

}