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单片机音乐程序

htxw 2023-03-14 资讯中心 22 ℃

让单片机唱歌的c语言程序是怎么弄的?

其实原理很简单,就是控制单片机的某个引脚,输出一定频率的方波信号,而输出方波信号的方法,是最基础的,最简单的编程了,用定时器定时,根据信号频率算出信号周期,然后计算出定时的时间。那单片机演奏歌曲的程序,也是同样的原理,只是事先根据歌曲的简谱查出每个音阶的信号频率,再根据各音阶频率计算出定时器的初值。演奏时,按简谱的各音阶顺序输出不同的频率的信号就行了。

下表是音阶与频率对应关系表,给出常用音阶对应的定时常数。

求单片机 音乐播放的c代码

#include "reg52.h"

unsigned char Count;

sbit _Speak =P2^3 ; //讯响器控制脚

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,

//路边的野华不要采

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,

};

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++; //长度加1

}

/*-------------------------------------------------

功能:1MS延时子程序

-------------------------------------------------*/

void Delay_xMs(unsigned int x)

{

unsigned int i,j;

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

{

for( j =0;j3;j++ );

}

}

/*-------------------------------------------------

功能:歌曲播放子程序i为播放哪一段曲目

-------------------------------------------------*/

void Play_Song(unsigned char i)

{

unsigned char Temp1,Temp2;

unsigned int Addr;

Count = 0; //中断计数器清0

Addr = i * 217;

while(1)

{

Temp1 = SONG[Addr++];

if ( Temp1 == 0xFF ) //休止符

{

TR0 = 0;

Delay_xMs(100);

}

else if ( Temp1 == 0x00 ) //歌曲结束符

{

return;

}

else

{

Temp2 = SONG[Addr++];

TR0 = 1;

while(1)

{

_Speak = ~_Speak;

Delay_xMs(Temp1);

if ( Temp2 == Count )

{

Count = 0;

break;

}

}

}

}

}

/*-------------------------------------------------

功能:主程序

-------------------------------------------------*/

void main()

{

Time0_Init(); //定时器0中断初始化

while(1)

{

Play_Song(0); //播放

}

}

怎么用单片机编写音乐程序

//此程序在硬件上调试通过

//本程序的单片机晶振采用11.0592m

#include

reg51.h

sbit

speaker=p1^2;

unsigned

char

timer0h,timer0l,time;

//世上只有妈妈好数据表

code

unsigned

char

sszymmh[]={

6,2,3,

5,2,1,

3,2,2,

5,2,2,

1,3,2,

6,2,1,

5,2,1,

6,2,4,

3,2,2,

5,2,1,

6,2,1,

5,2,2,

3,2,2,

1,2,1,

6,1,1,

5,2,1,

3,2,1,

2,2,4,

2,2,3,

3,2,1,

5,2,2,

5,2,1,

6,2,1,

3,2,2,

2,2,2,

1,2,4,

5,2,3,

3,2,1,

2,2,1,

1,2,1,

6,1,1,

1,2,1,

5,1,6,

0,0,0

};

//

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;t1t;t1++)

{

for(t2=0;t28000;t2++)

{

;

}

}

tr0=0;

}

void

t0int()

interrupt

1

{

tr0=0;

speaker=!speaker;

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;//ie=0x82

//cpu开中断,ct0开中断

while(1)

{

i=0;

while(i100){

//音乐数组长度

,唱完从头再来

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

timer0h=freqh[k];

timer0l=freql[k];

time=sszymmh[i+2];

i=i+3;

song();

}

}

}

如何用c语言编写8051单片机音乐程序

#define uchar unsigned char //定义一下方便使用

#define uint unsigned int

#define ulong unsigned long

#include reg52.h //包括一个52标准内核的头文件

char code dx516[3] _at_ 0x003b;//这是为了仿真设置的

sbit BEEP=P1^7; //喇叭输出脚

sbit P10=P1^0;

sbit K1= P3^2;

sbit K2= P3^5;

sbit K3= P2^4;

sbit K4= P2^5;

uchar th0_f; //在中断中装载的T0的值高8位

uchar tl0_f; //在中断中装载的T0的值低8位

//T0的值,及输出频率对照表

uchar code freq[36*2]={

0xA9,0xEF,//00220HZ ,1 //0

0x93,0xF0,//00233HZ ,1#

0x73,0xF1,//00247HZ ,2

0x49,0xF2,//00262HZ ,2#

0x07,0xF3,//00277HZ ,3

0xC8,0xF3,//00294HZ ,4

0x73,0xF4,//00311HZ ,4#

0x1E,0xF5,//00330HZ ,5

0xB6,0xF5,//00349HZ ,5#

0x4C,0xF6,//00370HZ ,6

0xD7,0xF6,//00392HZ ,6#

0x5A,0xF7,//00415HZ ,7

0xD8,0xF7,//00440HZ 1 //12

0x4D,0xF8,//00466HZ 1# //13

0xBD,0xF8,//00494HZ 2 //14

0x24,0xF9,//00523HZ 2# //15

0x87,0xF9,//00554HZ 3 //16

0xE4,0xF9,//00587HZ 4 //17

0x3D,0xFA,//00622HZ 4# //18

0x90,0xFA,//00659HZ 5 //19

0xDE,0xFA,//00698HZ 5# //20

0x29,0xFB,//00740HZ 6 //21

0x6F,0xFB,//00784HZ 6# //22

0xB1,0xFB,//00831HZ 7 //23

0xEF,0xFB,//00880HZ `1

0x2A,0xFC,//00932HZ `1#

0x62,0xFC,//00988HZ `2

0x95,0xFC,//01046HZ `2#

0xC7,0xFC,//01109HZ `3

0xF6,0xFC,//01175HZ `4

0x22,0xFD,//01244HZ `4#

0x4B,0xFD,//01318HZ `5

0x73,0xFD,//01397HZ `5#

0x98,0xFD,//01480HZ `6

0xBB,0xFD,//01568HZ `6#

0xDC,0xFD,//01661HZ `7 //35

};

//定时中断0,用于产生唱歌频率

timer0() interrupt 1

{

TL0=tl0_f;TH0=th0_f; //调入预定时值

BEEP=~BEEP; //取反音乐输出IO

}

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

//音乐符号串解释函数

//入口:要解释的音乐符号串,输出的音调串,输出的时长串

changedata(uchar *song,uchar *diao,uchar *jie)

{

uchar i,i1,j;

char gaodi; //高低+/-12音阶

uchar banyin;//有没有半个升音阶

uchar yinchang;//音长

uchar code jie7[8]={0,12,14,16,17,19,21,23}; //C调的7个值

*diao=*song;

for(i=0,i1=0;;)

{

gaodi=0; //高低=0

banyin=0;//半音=0

yinchang=4;//音长1拍

if((*(song+i)=='|') || (*(song+i)==' ')) i++;

//拍子间隔和一个空格过滤

switch(*(song+i))

{

case ',': gaodi=-12;i++;//低音

break;

case '`': gaodi=12;i++; //高音

break;

}

if(*(song+i)==0) //遇到0结束

{

*(diao+i1)=0; //加入结束标志0

*(jie+i1)=0;

return;

}

j=*(song+i)-0x30; i++; //取出基准音

j=jie7[j]+gaodi; //加上高低音

yinc: switch(*(song+i))

{

case '#': //有半音j加一个音阶

i++;j++;

goto yinc;

case '-': //有一个音节加长

yinchang+=4;

i++;

goto yinc;

case '_': //有一个音节缩短

yinchang/=2;

i++;

goto yinc;

case '.': //有一个加半拍

yinchang=yinchang+yinchang/2;

i++;

goto yinc;

}

*(diao+i1)=j; //记录音符

*(jie+i1)=yinchang; //记录音长

i1++;

}

}

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

//奏乐函数

//入口:要演奏的音乐符号串

void play(uchar *songdata)

{

uchar i,c,j=0;

uint n;

uchar xdata diaodata[112]; //音调缓冲

uchar xdata jiedata[112]; //音长缓冲

changedata(songdata,diaodata,jiedata); //解释音乐符号串

TR0=1;

for(i=0;diaodata[i]!=0;i++) //逐个符号演奏

{

tl0_f=freq[diaodata[i]*2]; //取出对应的定时值送给T0

th0_f=freq[diaodata[i]*2+1];

for(c=0;cjiedata[i];c++) //按照音长延时

{

for(n=0;n32000;n++);

if((!K1)||(!K2)||(!K3)||(!K4))//发现按键,立即退出播放

{

TR0=0;

return;

}

}

TR0=0;

for(n=0;n500;n++); //音符间延时

TR0=1;

}

TR0=0;

}

//仙剑

uchar code xianjian[]={

"|3_3_3_2_3-|2_3_2_2_,6,6_,7_|12_1_,7,6_,5_|,6---|"

"3_3_3_2_3.6_|5_6_5_5_22_3_|45_4_32_1_|3.--3_|"

"67_6_55_3_|5--3_5_|26_5_32_3_|3---|"

"26_6_6-|16_6_66_7_|`17_6_76_7_|3.--3_|"

"67_6_55_3_|5--3_5_|67_6_76_7_|3---|"

"26_6_6-|16_6_66_7_|`17_6_7.5_|6---|"

};

uchar code song3[]={

"5-5_3_2_1_|3---|6-6_4_2_1_"

",7--,5_|1.3_5.1_|,7.3_5 5_|"

"6.7_`1.6_|6_5_5-3_2_|1.1_13_2_|"

"1.1_12_3_|2.1_,62_3_|2-- ,5_|"

"1.3_5.1_|,7.3_55_|6.7_`1.6_|"

"6_5_5-3_2_|1.1_13_2_|1.1_12_3_"

"2.,6_,71_2_|1--"

};

//世上只有妈妈好

uchar code mamahao[]={

"6.5_35|`16_5_6-|35_6_53_2_|1_,6_5_3_2-|"

"2.3_55_6_|321-|5.3_2_1_,6_1_|,5--"

};

//三个按键选择三首不同的音乐播放,一个键停止播放

void main(void) // 主程序

{

TMOD = 0x01; //使用定时器0的16位工作模式

TR0 = 0;

ET0 = 1; //定时器0中断

EA = 1; //打开总中断

while(1)

{

if(!K1)

{

while(!K1);

play(xianjian); //播放音乐

}

if(!K2)

{

while(!K2);

play(song3); //播放音乐

}

if(!K3)

{

while(!K3);

play(mamahao); //播放音乐

}

}

}

单片机音乐程序的介绍就聊到这里吧,感谢您花时间阅读,谢谢。

本文标签:单片机音乐程序

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