51单片机蜂鸣器播放音乐代码

/*生日快乐歌曲*/#include <>#define uint unsigned int#define uchar unsigned charsbit 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};//延时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){ //播放各个音符，SONG_LONG 为拍子长度for(j=0;j<SONG_LONG[i]*20;j++){beep=~beep;//SONG_TONE 延时表决定了每个音符的频率for(k=0;k<SONG_TONE[i]/3;k++);}DelayMS(10);i++;}}void main(){beep=0;while(1){PlayMusic(); //播放生日快乐DelayMS(500); //播放完后暂停一段时间}}两只蝴蝶：#include <> // 这是单片机音乐代码生成器生成的代码#define uchar unsigned charsbit beepIO=P1^5; // 输出为可以修改成其它 IO 口uchar m,n;uchar code T[49][2]={{0,0},{0xF8,0x8B},{0xF8,0xF2},{0xF9,0x5B},{0xF9,0xB7},{0xFA,0x14},{0xFA,0x66},{0x FA,0xB9},{0xFB,0x03},{0xFB,0x4A},{0xFB,0x8F},{0xFB,0xCF},{0xFC,0x0B}, {0xFC,0x43},{0xFC,0x78},{0xFC,0xAB},{0xFC,0xDB},{0xFD,0x08},{0xFD,0x33},{0x FD,0x5B},{0xFD,0x81},{0xFD,0xA5},{0xFD,0xC7},{0xFD,0xE7},{0xFE,0x05}, {0xFE,0x21},{0xFE,0x3C},{0xFE,0x55},{0xFE,0x6D},{0xFE,0x84},{0xFE,0x99},{0x FE,0xAD},{0xFE,0xC0},{0xFE,0x02},{0xFE,0xE3},{0xFE,0xF3},{0xFF,0x02}, {0xFF,0x10},{0xFF,0x1D},{0xFF,0x2A},{0xFF,0x36},{0xFF,0x42},{0xFF,0x4C},{0x FF,0x56},{0xFF,0x60},{0xFF,0x69},{0xFF,0x71},{0xFF,0x79},{0xFF,0x81} };uchar code music[][2]={{0,4},{23,4},{21,4},{23,16},{23,4},{21,4},{23,4},{21,4},{19,16},{16,4},{19,4},{21 ,8},{21,4},{23,4},{21,4},{19,4},{16,4},{19,4},{14,24},{23,4},{21,4},{23,16},{23,4},{21,4},{23,4},{21,4},{19,24},{16,4},{19,4},{21 ,8},{21,4},{23,4},{21,4},{19,4},{16,4},{19,4},{21,24},{23,4},{21,4},{23,16},{23,4},{21,4},{23,4},{21,4},{19,16},{16,4},{19,4},{21 ,8},{21,4},{23,4},{21,4},{19,4},{16,4},{19,4},{14,24},{23,4},{26,4},{26,16},{26,4},{28,4},{26,4},{23,24},{21,4},{23,4},{21,8},{21 ,4},{23,4},{21,4},{19,4},{16,4},{16,2},{19,2},{19,24},{0,20},{26,4},{26,4},{28,4},{31,4},{30,4},{30,4},{28,4},{23,4},{21,4},{21,4},{23,1 6},{0,4},{23,4},{23,4},{26,4},{28,8},{28,12},{16,4},{23,4},{21,4}, {21,24},{23,4},{26,4},{26,4},{23,4},{26,8},{0,4},{31,8},{30,4},{28,4},{30,4 },{23,8},{0,4},{28,4},{28,4},{30,4},{28,4},{26,4},{23,4},{21,8},{23,4},{21,4},{ 23,4},{26,16},{0xFF,0xFF}};void delay(uchar p){uchar i,j;for(;p>0;p--)for(i=181;i>0;i--)for(j=181;j>0;j--);}void pause(){uchar i,j;for(i=150;i>0;i--)for(j=150;j>0;j--);}void T0_int() interrupt 1{beepIO=!beepIO;TH0=T[m][0]; TL0=T[m][1];}void main(){uchar i=0;TMOD=0x01; EA=1; ET0=1;while(1){m=music[i][0];n=music[i][1];if(m==0x00){TR0=0;delay(n);i++;}else if(m==0xFF){TR0=0;delay(30);i=0;}else if(m==music[i+1][0]){TR0=1;delay(n);TR0=0;pause();i++;}else{TR0=1;delay(n);i++;}}}祝你平安：#include ""unsigned char Count;sbit _Speak =P1^5 ;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};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;j<3;j++ );}}void Play_Song(unsigned char i){unsigned char Temp1,Temp2;unsigned int Addr;Count = 0; //中断计数器清0Addr = 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}}。

#include <reg52.h>#define uchar unsigned char#define uint unsigned intsbit speaker = P1^7;uint j;uchar m=1;uchar flag;uchar line;uchar code * data song;// 休止符低6 低7 中1 中2 中3 中4 中5 中 6 中7 高 1 低 3 低 5 低 4 高3uchar code yin[30]={0xFF,0xFF,0xFB,0x90,0xFC,0x0C,0xFC,0x44,0xFC,0xAC,0xFD,0x09,0xFD,0x34,0xF D,0x82,0xFD,0xC8,0xFE,0x06,0xFE,0x22,0xFA,0X15,0XFB,0x04,0xFA,0x67,0xFE,0x85};uchar code song1[97]={0x34,0x32,0x32,0x34,0x42,0x51, //<<干杯，朋友>>0x62,0x52,0x42,0x32,0x34,0x04,0x74,0x74,0x62,0x62,0x64,0x3c,0x04,0x64,0x62,0x52,0x42,0x32,0x34,0x33,0x31,0x32,0x72,0x76,0x72,0x83,0x81,0x82,0x82,0x82,0x74,0x72,0x7c,0x04,0x63,0x61,0x62,0x62,0x64,0x72,0x82,0x72,0x74,0x72,0x62,0x52,0x42,0x32,0x42,0x44,0x42,0x42,0x52,0x62,0x52,0x5c,0x04,0x64,0x62,0x62,0x64,0x72,0x82,0x72,0x74,0x72,0x62,0x52,0x42,0x32,0x42,0x46,0x53,0x41,0x42,0x32,0x3c,0x04,0x44,0x48,0x02,0x32,0x3f,0x44,0x48,0x02,0x32,0x3f,0x34,0x0c,0xFF};uchar code song2[46]={0x12,0x52,0x52,0x52,0x56,0x42, //<<兰花草>>0x32,0x42,0x32,0x22,0x18,0x82,0x82,0x82,0x82,0x86,0x72,0xB2,0x72,0x72,0x62,0x58,0x52,0x82,0x82,0x72,0x56,0x42,0x32,0x42,0x32,0x22,0x16,0xB2,0xB2,0x32,0x32,0x22,0x16,0x52,0x42,0x32,0x22,0xC2,0x88,0xFF};uchar code song3[131]={0x52,0x42, //<<两只蝴蝶>>0x58,0x02,0x42,0x52,0x42,0x38,0x04,0x12,0x32,0x44,0x42,0x52,0x42,0x32,0x12,0x12,0xC8,0x04,0x52,0x42,0x58,0x02,0x42,0x52,0x42,0x38,0x04,0x12,0x32,0x44,0x42,0x52,0x42,0x32,0x12,0x32,0x48,0x04,0x52,0x42,0x58,0x02,0x42,0x52,0x42,0x38,0x04,0x12,0x32,0x44,0x42,0x52,0x42,0x32,0x12,0x11,0x31,0xC8,0x04,0x52,0x72,0x78,0x02,0x72,0x82,0x72,0x58,0x04,0x42,0x42,0x44,0x42,0x52,0x42,0x32,0x12,0x12,0x32,0x32,0x3C,0x09,0x72,0x72,0x82,0xA2,0x92,0x92,0x82,0x52,0x42,0x42,0x42,0x58,0x02,0x52,0x52,0x72,0x84,0x84,0x02,0x12,0x52,0x42,0x48,0x04,0x52,0x72,0x72,0x52,0x74,0x02,0xA4,0x92,0x82,0x92,0x54,0x02,0x82,0x82,0x92,0x82,0x72,0x52,0x42,0x02,0xC4,0x12,0x3C,0xFF};uchar code song4[37]={0xC4,0x12,0x32,0x44,0x42,0x52, //<<祈祷>>0x52,0x44,0x32,0x32,0x12,0x14,0x12,0x12,0x32,0x42,0x54,0x44,0x4F,0xC4,0x12,0x32,0x44,0x42,0x72,0x58,0x42,0x32,0x34,0x14,0x12,0x32,0x34,0x32,0x12,0x1F,0xFF};uchar code song5[144]={0x52,0x62, //<<阳光总在风雨后>>0x74,0x74,0x74,0x34,0x42,0x34,0x52,0x56,0x42,0x34,0x34,0x14,0x32,0x12,0x12,0xC2,0xC4,0x04,0x52,0x62,0x74,0x74,0x74,0x34,0x42,0x34,0x52,0x56,0x42,0x34,0x32,0x12,0x12,0x34,0x42,0x4C,0x52,0x42,0x34,0x32,0x42,0x32,0x12,0x12,0xC2,0xC2,0x54,0x52,0x54,0x52,0x52,0x42,0x32,0x32,0x12,0x32,0x42,0x32,0x52,0x5C,0x52,0x42,0x34,0x32,0x42,0x32,0x12,0x12,0xC2,0xC2,0x54,0x52,0x54,0x02,0x52,0x52,0x42,0x32,0x12,0x32,0x84,0x72,0x7F,0x0F,0x74,0x72,0x52,0x54,0x74,0x82,0x52,0x52,0x72,0x78,0x34,0x32,0x32,0x42,0x54,0x72,0x7F,0x86,0x82,0x72,0x52,0x54,0x72,0x84,0x32,0x36,0x52,0x42,0x52,0x42,0x32,0x34,0x12,0x32,0x32,0x42,0x4C,0x86,0x82,0x72,0x52,0x54,0x72,0x84,0x52,0x56,0x52,0x42,0x52,0x72,0x82,0x52,0x34,0x12,0x12,0x32,0x3C,0xFF};uchar code song6[85]={0x04,0x24,0x14,0xC4, //<<心心相印>>0x54,0x54,0x48,0x04,0x54,0x44,0x34,0x22,0x14,0xB2,0xC8,0x04,0x12,0xC2,0x16,0x12,0x76,0x52,0x46,0x12,0x3F,0x04,0xB4,0xD4,0xC4,0x14,0x28,0xC4,0x14,0x12,0x32,0x16,0xC2,0x54,0x78,0x34,0x4C,0x42,0x52,0x86,0x72,0x76,0x52,0x74,0x28,0x42,0x52,0x46,0x12,0x26,0x12,0xCF,0x04,0x24,0x14,0xC4,0x56,0x52,0x48,0x04,0x54,0x44,0x34,0x22,0x14,0xB2,0xC8,0x04,0x34,0x14,0xC4,0x12,0x32,0x18,0x42,0x42,0x74,0x58,0x44,0x3F,0xFF};uchar code song7[138]={0xC2,0xC2,0x12, //<<最浪漫的事>>0x34,0x32,0x32,0x32,0x12,0x12,0x52,0x54,0x02,0xC2,0x12,0x32,0x32,0x32,0x32,0x34,0x52,0x72,0x7C,0x02,0x72,0x82,0x72,0x82,0x72,0x84,0x72,0x41,0x51,0x52,0x41,0x31,0x34,0x02,0x32,0x32,0x12,0x34,0x32,0x12,0x32,0x54,0x42,0x32,0x32,0x32,0x32,0x34,0x52,0x72,0x7C,0x72,0x72,0x82,0x72,0x82,0x72,0x84,0x82,0x72,0x42,0x52,0x42,0x34,0x12,0x12,0x32,0xC4,0x52,0x42,0x34,0x12,0x12,0x31,0x41,0x32,0x3C,0x0A,0x72,0x82,0xA2,0x84,0x82,0x72,0x82,0x72,0x52,0x72,0x78,0x02,0x72,0x82,0xA2,0x84,0x82,0x72,0x82,0x72,0x82,0x32,0x38,0x02,0x32,0x42,0x52,0x64,0x62,0x72,0x82,0x82,0x72,0x82,0x82,0xA2,0x82,0x82,0x82,0xA2,0x82,0x72,0x78,0x72,0x32,0x82,0x72,0x78,0x72,0x82,0xA3,0x51,0x42,0x51,0x41,0x3C,0xFF};uchar code song8[77]={0xC2,0xC2,0x34,0x42,0x42, //<<一生有你>>0x52,0x41,0x51,0x5C,0x04,0xC2,0xC2,0x34,0x42,0x42,0x52,0x31,0x41,0x4C,0x04,0xC2,0xC2,0x34,0x42,0x42,0x52,0x41,0x51,0x58,0x32,0x52,0x4C,0x42,0x32,0x34,0x32,0x42,0x48,0x04,0xC2,0xC2,0x34,0x42,0x42,0x72,0x41,0x51,0x5C,0x04,0xC2,0xC2,0x32,0x32,0x42,0x42,0x52,0x42,0x4C,0x04,0xC2,0xC2,0x34,0x42,0x42,0x52,0x41,0x51,0x58,0x32,0x52,0x4C,0x42,0x32,0x32,0x42,0x4C,0xFF};uchar code song9[]={0X54,0XC4,0X12,0X32,0X34, //<<宁夏>>0X52,0X52,0X52,0X52,0X42,0X32,0X34,0XC1,0XC2,0X52,0XC2,0X12,0X32,0X34,0X11,0X12,0X31,0X12,0XC2,0X78,0X72,0X52,0X52,0X42,0X32,0X42,0X52,0X11,0XC1,0XC4,0XC1,0XC1,0XC1,0XC1,0X12,0X32,0X32,0X12,0X42,0X42,0X44,0XC2,0X12,0X32,0X42,0X52,0X72,0X72,0X82,0X41,0X51,0X42,0X48,0X42,0X12,0X3C,0X72,0X62,0X3C,0X72,0X62,0X3C,0X72,0X62,0x21,0x31,0x41,0x51,0x61,0x71,0x81,0x91,0x61,0x71,0x81,0x91,0X3F,0X3F,0X54,0XC2,0XC2,0X42,0XC2,0XC4,0X34,0X32,0X42,0X52,0XC2,0XC4,0XD2,0XC2,0X12,0X22,0X38,0X12,0X22,0X32,0X42,0X48,0xFF};uchar code song10[]={0x32,0x31,0x41, //<<老鼠爱大米>>0x52,0x52,0x42,0x31,0x41,0x44,0x31,0x41,0x52,0x52,0x42,0x32,0x34,0x71,0x11,0x74,0x71,0x71,0x11,0x31,0x34,0x32,0x32,0x32,0x32,0x31,0x41,0x44,0x32,0x41,0x51,0x52,0x52,0x72,0x81,0x41,0x44,0x52,0x41,0x31,0x32,0x32,0x42,0x51,0x71,0x74,0x71,0x71,0x12,0x31,0x31,0x31,0x52,0x42,0x32,0x32,0x41,0x31,0x34,0x52,0x51,0x71,0x72,0x71,0x71,0x72,0x71,0x81,0x84,0x52,0x42,0x32,0x32,0x32,0x41,0x51,0x54,0x51,0x71,0x72,0x72,0x72,0x81,0xA1,0xA2,0x82,0x72,0x52,0x42,0x32,0x32,0x12,0x44,0x51,0x71,0x72,0x72,0x71,0x82,0x71,0x84,0x52,0x42,0x32,0x32,0x32,0x41,0x51,0x54,0x51,0x71,0x72,0x72,0x72,0x81,0xA1,0xA2,0x82,0x72,0x51,0x41,0x42,0x42,0x44,0x32,0x51,0x61,0x72,0x42,0x44,0x52,0x41,0x31,0x34,0x52,0x41,0x31,0x34,0x52,0x42,0x52,0x32,0x52,0x81,0x71,0x74,0x51,0x71,0x82,0x81,0x71,0x72,0x81,0x71,0x74,0x51,0x41,0x31,0x42,0x41,0x51,0x42,0x31,0x41,0x44,0x52,0x41,0x31,0x34,0x52,0x41,0x31,0x34,0x52,0x42,0x52,0x32,0x52,0x81,0x71,0x74,0x51,0x41,0x82,0x82,0xA2,0x71,0x81,0x72,0x71,0x51,0x41,0x31,0x44,0x41,0x31,0x41,0x51,0x44,0x52,0x52,0x42,0x31,0x34,0x52,0x41,0x31,0x42,0x31,0x34,0xFF};uchar code song11[]={0XC2,0XB2, //<<泰坦尼克号>>0X36,0X52,0X42,0X32,0X11,0XC1,0XB2,0XC6,0X12,0XC4,0X12,0XC2,0X76,0XA2,0X82,0X72,0X51,0X41,0X32,0X4C,0X42,0X32,0X74,0X82,0X74,0X82,0X72,0X52,0X41,0X38,0X32,0X42,0X16,0XC2,0X72,0X52,0X42,0X42,0X3C,0XC2,0XB2,0X36,0X52,0X42,0X32,0X11,0XC1,0XB2,0XC6,0X12,0XC4,0X12,0XC2,0X76,0XA2,0X82,0X72,0X51,0X41,0X32,0X4C,0X42,0X32,0X76,0X82,0X74,0X82,0X72,0X53,0X41,0X38,0X32,0X42,0X16,0XC2,0X72,0X52,0X41,0X51,0X12,0XCC,0XC2,0XB2,0X16,0XC2,0X72,0X52,0X42,0X42,0X3C,0X32,0X32,0X26,0X22,0X24,0X42,0X32,0x22,0x12,0x18,0x02,0x52,0X46,0X12,0X44,0X72,0X82,0X5C,0X52,0X52,0X46,0X42,0X74,0X42,0X32,0X36,0X42,0X58,0X82,0X72,0X62,0X52,0X46,0X32,0X3C,0X12,0XB2,0X36,0X52,0X42,0X32,0X11,0XC1,0XB2,0XC6,0X12,0XC4,0X12,0XC2,0X76,0XA2,0X82,0X72,0X51,0X41,0X32,0X48,0X02,0X42,0X52,0X62,0X76,0X82,0X74,0X82,0X72,0X56,0X41,0X38,0X32,0X22,0X16,0XC2,0X72,0X52,0X42,0X42,0X3C,0X04,0X04,0X04,0X04,0xFF};uchar code song12[]={0x34,0x32, //<<喜欢你>>0x34,0x34,0x24,0x34,0x32,0x32,0x24,0x38,0x44,0x58,0x48, 0x34,0x32,0x34,0x34,0x24,0x38,0x34,0x7F,0x34,0x32,0x34,0x32,0x24,0x38,0x34,0x24,0x38,0x44,0x58,0x48,0x34,0x32,0x34,0x34,0x24,0x38,0x34,0x7F,0x16,0x4C,0x74,0x78,0x64,0x54,0x48,0x54,0x64,0x58,0x44,0x34,0x24,0x38,0x24,0x14,0x12,0x21,0x11,0x78,0x68,0x3F,0x4C,0x74,0x78,0x64,0x52,0x42,0x48,0x54,0x64,0x58,0x44,0x34,0x24,0x38,0x24,0x24,0x38,0x44,0x58,0x48,0x3C,0xFF};//**********************************************************************//// 延时程序////**********************************************************************//void delay(uint d) //延时d微秒，最大延时65536微妙{while(d--);}/*延时1/4拍时间即187ms*/void delay187ms(void){uchar t;for(t=0;t<130;t++) delay(100);}void main(){uchar i;uchar k;delay(100);TMOD=0x01;IT0=1;EX0=1;TR0=1;ET0=1;EA=1;song=song1;while(1){switch(m){case 1 :song=song1;break;case 2 :song=song2;break;case 3 :song=song3;break;case 4 :song=song4;break;case 5 :song=song5;break;case 6 :song=song6;break;case 7 :song=song7;break;case 8 :song=song8;break;case 9 :song=song9;break;case 10 :song=song10;break;case 11 :song=song11;break;case 12 :song=song12;break;default :m=1;song=song1;break;}j=0;flag=1;while(*(song+j)!=0xFF&&flag){k=*(song+j)&0x0F; //取出节拍line=*(song+j)>>4; //取出音TH0=yin[2*line];TL0=yin[2*line+1];TR0=1;if ((yin[2*line]==0xFF)&&(yin[2*line+1]==0xFF)){TR0=0;}for(i=k;i>0;--i){delay187ms();}TR0=0;j++;}for(i=0;i<20;i++)delay187ms();m++;}}/* 每个音符的发声*/void timer1() interrupt 1{TH0=yin[2*line];TL0=yin[2*line+1];speaker = !speaker;}void int0() interrupt 0{flag=0;TR0=0;}。

/*生日快乐歌曲*/#include <reg51.h>#define uint unsigned int#define uchar unsigned charsbit 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};//延时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){ //播放各个音符，SONG_LONG 为拍子长度for(j=0;j<SONG_LONG[i]*20;j++){beep=~beep;//SONG_TONE 延时表决定了每个音符的频率for(k=0;k<SONG_TONE[i]/3;k++);}DelayMS(10);i++;}}void main(){beep=0;while(1){PlayMusic(); //播放生日快乐DelayMS(500); //播放完后暂停一段时间}}两只蝴蝶：#include <reg51.h> // 这是单片机音乐代码生成器生成的代码#define uchar unsigned charsbit beepIO=P1^5; // 输出为P1.5 可以修改成其它IO 口uchar m,n;uchar code T[49][2]={{0,0},{0xF8,0x8B},{0xF8,0xF2},{0xF9,0x5B},{0xF9,0xB7},{0xFA,0x14},{0xFA,0x66},{0xFA,0xB9},{0xFB,0x03 },{0xFB,0x4A},{0xFB,0x8F},{0xFB,0xCF},{0xFC,0x0B},{0xFC,0x43},{0xFC,0x78},{0xFC,0xAB},{0xFC,0xDB},{0xFD,0x08},{0xFD,0x33},{0xFD,0x5B},{0xFD,0x8 1},{0xFD,0xA5},{0xFD,0xC7},{0xFD,0xE7},{0xFE,0x05},{0xFE,0x21},{0xFE,0x3C},{0xFE,0x55},{0xFE,0x6D},{0xFE,0x84},{0xFE,0x99},{0xFE,0xAD},{0xFE,0xC0 },{0xFE,0x02},{0xFE,0xE3},{0xFE,0xF3},{0xFF,0x02},{0xFF,0x10},{0xFF,0x1D},{0xFF,0x2A},{0xFF,0x36},{0xFF,0x42},{0xFF,0x4C},{0xFF,0x56},{0xFF,0x60},{ 0xFF,0x69},{0xFF,0x71},{0xFF,0x79},{0xFF,0x81}};uchar code music[][2]={{0,4},{23,4},{21,4},{23,16},{23,4},{21,4},{23,4},{21,4},{19,16},{16,4},{19,4},{21,8},{21,4},{23,4},{21,4},{19 ,4},{16,4},{19,4},{14,24},{23,4},{21,4},{23,16},{23,4},{21,4},{23,4},{21,4},{19,24},{16,4},{19,4},{21,8},{21,4},{23,4},{21,4},{19 ,4},{16,4},{19,4},{21,24},{23,4},{21,4},{23,16},{23,4},{21,4},{23,4},{21,4},{19,16},{16,4},{19,4},{21,8},{21,4},{23,4},{21,4},{19 ,4},{16,4},{19,4},{14,24},{23,4},{26,4},{26,16},{26,4},{28,4},{26,4},{23,24},{21,4},{23,4},{21,8},{21,4},{23,4},{21,4},{19,4},{16 ,4},{16,2},{19,2},{19,24},{0,20},{26,4},{26,4},{28,4},{31,4},{30,4},{30,4},{28,4},{23,4},{21,4},{21,4},{23,16},{0,4},{23,4},{23,4},{26,4} ,{28,8},{28,12},{16,4},{23,4},{21,4},{21,24},{23,4},{26,4},{26,4},{23,4},{26,8},{0,4},{31,8},{30,4},{28,4},{30,4},{23,8},{0,4},{28,4},{28,4},{ 30,4},{28,4},{26,4},{23,4},{21,8},{23,4},{21,4},{23,4},{26,16},{0xFF,0xFF}};void delay(uchar p){uchar i,j;for(;p>0;p--)for(i=181;i>0;i--)for(j=181;j>0;j--);}void pause(){uchar i,j;for(i=150;i>0;i--)for(j=150;j>0;j--);}void T0_int() interrupt 1beepIO=!beepIO;TH0=T[m][0]; TL0=T[m][1];}void main(){uchar i=0;TMOD=0x01; EA=1; ET0=1;while(1){m=music[i][0];n=music[i][1];if(m==0x00){TR0=0;delay(n);i++;}else if(m==0xFF){TR0=0;delay(30);i=0;}else if(m==music[i+1][0]){TR0=1;delay(n);TR0=0;pause();i++;}else{TR0=1;delay(n);i++;}}}祝你平安：#include "reg52.h"unsigned char Count;sbit _Speak =P1^5 ;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};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;j<3;j++ );}}void Play_Song(unsigned char i){unsigned char Temp1,Temp2;unsigned int Addr;Count = 0; //中断计数器清0Addr = 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}}。

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／＊＊＊＊＊＊＊＊＊＊＊＊＊＊＊＊＊＊＊＊＊＊＊＊＊＊＊＊＊＊＊＊＊＊＊＊＊＊＊＊＊＊＊＊＊＊＊＊＊＊＊＊＊＊＊＊＊＊＊＊＊＊＊＊＊＊／　／＊　／＊　／＊　／＊　／＊　＃ｉｎｃｌｕｄｅ　＜ｒｅｇ５２．ｈ＞　＃ｉｎｃｌｕｄｅ　＂ＳｏｕｎｄＰｌａｙ．ｈ＂　／＊＊＊＊＊＊＊＊＊＊＊＊＊＊＊＊＊＊＊＊＊＊＊＊＊＊＊＊＊＊＊＊＊＊＊＊＊＊＊＊＊＊＊＊＊＊＊＊＊＊＊＊＊＊＊＊＊＊＊＊＊＊＊＊＊＊／　／＊　／＊　／＊　ｖｏｉｄ　Ｄｅｌａｙ１ｍｓ（ｕｉｎｔ　ｃｏｕｎｔ）　｛　ｕｉｎｔ　ｉ，ｊ；　ｆｏｒ（ｉ＝０；ｉ＜ｃｏｕｎｔ；ｉ＋＋）　ｆｏｒ（ｊ＝０；ｊ＜１２０；ｊ＋＋）；　｝　／＊＊＊＊＊＊＊＊＊＊＊＊＊＊＊＊＊＊＊＊＊＊＊＊＊＊＊＊＊Ｍｕｓｉｃ＊＊＊＊＊＊＊＊＊＊＊＊＊＊＊＊＊＊＊＊＊＊＊＊＊＊＊＊＊＊＊＊＊＊＊＊＊＊＊＊＊＊＊＊＊＊＊＊＊＊＊／　／／挥着翅膀的女孩　ｕｎｓｉｇｎｅｄ　ｃｈａｒ　ｃｏｄｅ　Ｍｕｓｉｃ＿Ｇｉｒｌ［］＝｛　０ｘ１７，０ｘ０２，　０ｘ１７，０ｘ０３，　０ｘ１８，０ｘ０３，　０ｘ１９，０ｘ０２，　０ｘ１５，０ｘ０３，　０ｘ１６，０ｘ０３，　０ｘ１７，０ｘ０３，　０ｘ１７，０ｘ０３，　０ｘ１７，０ｘ０３，　０ｘ１８，０ｘ０３，　０ｘ１９，０ｘ０２，　０ｘ１６，０ｘ０３，　０ｘ１７，０ｘ０３，　０ｘ１８，０ｘ０２，　０ｘ１８，０ｘ０３，　０ｘ１７，０ｘ０３，　０ｘ１５，０ｘ０２，　０ｘ１８，０ｘ０３，　０ｘ１７，０ｘ０３，　０ｘ１８，０ｘ０２，　０ｘ１０，０ｘ０３，　０ｘ１５，０ｘ０３，　０ｘ１６，０ｘ０２，　０ｘ１５，０ｘ０３，　０ｘ１６，０ｘ０３，　０ｘ１７，０ｘ０２，　０ｘ１７，０ｘ０３，　０ｘ１８，０ｘ０３，　０ｘ１９，０ｘ０２，　０ｘ１Ａ，０ｘ０３，　０ｘ１Ｂ，０ｘ０３，　０ｘ１Ｆ，０ｘ０３，　０ｘ１Ｆ，０ｘ０３，　０ｘ１７，０ｘ０３，　０ｘ１８，０ｘ０３，　０ｘ１９，０ｘ０２，　０ｘ１６，０ｘ０３，　０ｘ１７，０ｘ０３，　０ｘ１８，０ｘ０３，　０ｘ１７，０ｘ０３，　０ｘ１８，０ｘ０３，　０ｘ１Ｆ，０ｘ０３，　０ｘ１Ｆ，０ｘ０２，　０ｘ１６，０ｘ０３，　０ｘ１７，０ｘ０３，　０ｘ１８，０ｘ０３，　０ｘ１７，０ｘ０３，　０ｘ１８，０ｘ０３，　０ｘ２０，０ｘ０３，　０ｘ２０，０ｘ０２，　０ｘ１Ｆ，０ｘ０３，　０ｘ１Ｂ，０ｘ０３，　０ｘ１Ｆ，０ｘ６６，　０ｘ２０，０ｘ０３，　０ｘ２１，０ｘ０３，　０ｘ２０，０ｘ０３，　０ｘ１Ｆ，０ｘ０３，　０ｘ１Ｂ，０ｘ０３，　０ｘ１Ｆ，０ｘ６６，　０ｘ１Ｆ，０ｘ０３，　０ｘ１Ｂ，０ｘ０３，　０ｘ１９，０ｘ０３，　０ｘ１９，０ｘ０３，　０ｘ１５，０ｘ０３，　０ｘ１Ａ，０ｘ６６，　０ｘ１Ａ，０ｘ０３，　０ｘ１９，０ｘ０３，　０ｘ１５，０ｘ０３，　０ｘ１５，０ｘ０３，　０ｘ１７，０ｘ０３，　０ｘ１６，０ｘ６６，　０ｘ１７，０ｘ０４，　０ｘ１８，０ｘ０４，　０ｘ１８，０ｘ０３，　０ｘ１９，０ｘ０３，　０ｘ１Ｆ，０ｘ０３，　０ｘ１Ｂ，０ｘ０３，　０ｘ１Ｆ，０ｘ６６，　０ｘ２０，０ｘ０３，　０ｘ２１，０ｘ０３，　０ｘ２０，０ｘ０３，　０ｘ１Ｆ，０ｘ０３，　０ｘ１Ｂ，０ｘ０３，　０ｘ１Ｆ，０ｘ６６，　０ｘ１Ｆ，０ｘ０３，　０ｘ１Ｂ，０ｘ０３，　０ｘ１９，０ｘ０３，　０ｘ１９，０ｘ０３，　０ｘ１５，０ｘ０３，　０ｘ１Ａ，０ｘ６６，　０ｘ１Ａ，０ｘ０３，　０ｘ１９，０ｘ０３，　０ｘ１９，０ｘ０３，　０ｘ１Ｆ，０ｘ０３，　０ｘ１Ｂ，０ｘ０３，　０ｘ１Ｆ，０ｘ００，　０ｘ１Ａ，０ｘ０３，　０ｘ１Ａ，０ｘ０３，　０ｘ１Ａ，０ｘ０３，　０ｘ１Ｂ，０ｘ０３，　０ｘ１Ｂ，０ｘ０３，　０ｘ１Ａ，０ｘ０３，　０ｘ１９，０ｘ０３，　０ｘ１９，０ｘ０２，　０ｘ１７，０ｘ０３，　０ｘ１５，０ｘ１７，　０ｘ１５，０ｘ０３，　０ｘ１６，０ｘ０３，　０ｘ１７，０ｘ０３，　０ｘ１８，０ｘ０３，　名称：延时函数　功能：Ｃ　语言中常用的　ｆｏｒ　循环延时方法　延时长短可以通过变量初值来改变　＊／　＊／　＊／　名称：蜂鸣器奏乐演示程序　作者：苏涛　时间：２０１１－０１－１８　单位：安徽建筑工业学院　电子与信息工程学院　０７　级电子信息工程专业　二班　＊／　＊／　＊／　＊／　＊／ ／＊＊＊＊＊＊＊＊＊＊＊＊＊＊＊＊＊＊＊＊＊＊＊＊＊＊＊＊＊＊＊＊＊＊＊＊＊＊＊＊＊＊＊＊＊＊＊＊＊＊＊＊＊＊＊＊＊＊＊＊＊＊＊＊＊＊／　／／头文件调用，写程序时都要加上 ／＊＊＊＊＊＊＊＊＊＊＊＊＊＊＊＊＊＊＊＊＊＊＊＊＊＊＊＊＊＊＊＊＊＊＊＊＊＊＊＊＊＊＊＊＊＊＊＊＊＊＊＊＊＊＊＊＊＊＊＊＊＊＊＊＊＊／ ０ｘ１７，０ｘ０４，　０ｘ１８，０ｘ０Ｅ，　０ｘ１８，０ｘ０３，　０ｘ１７，０ｘ０４，　０ｘ１８，０ｘ０Ｅ，　０ｘ１８，０ｘ６６，　０ｘ１７，０ｘ０３，　０ｘ１８，０ｘ０３，　０ｘ１７，０ｘ０３，　０ｘ１８，０ｘ０３，　０ｘ２０，０ｘ０３，　０ｘ２０，０ｘ０２，　０ｘ１Ｆ，０ｘ０３，　０ｘ１Ｂ，０ｘ０３，　０ｘ１Ｆ，０ｘ６６，　０ｘ２０，０ｘ０３，　０ｘ２１，０ｘ０３，　０ｘ２０，０ｘ０３，　０ｘ１Ｆ，０ｘ０３，　０ｘ１Ｂ，０ｘ０３，　０ｘ１Ｆ，０ｘ６６，　０ｘ１Ｆ，０ｘ０４，　０ｘ１Ｂ，０ｘ０Ｅ，　０ｘ１Ｂ，０ｘ０３，　０ｘ１９，０ｘ０３，　０ｘ１９，０ｘ０３，　０ｘ１５，０ｘ０３，　０ｘ１Ａ，０ｘ６６，　０ｘ１Ａ，０ｘ０３，　０ｘ１９，０ｘ０３，　０ｘ１５，０ｘ０３，　０ｘ１５，０ｘ０３，　０ｘ１７，０ｘ０３，　０ｘ１６，０ｘ６６，　０ｘ１７，０ｘ０４，　０ｘ１８，０ｘ０４，　０ｘ１８，０ｘ０３，　０ｘ１９，０ｘ０３，　０ｘ１Ｆ，０ｘ０３，　０ｘ１Ｂ，０ｘ０３，　０ｘ１Ｆ，０ｘ６６，　０ｘ２０，０ｘ０３，　０ｘ２１，０ｘ０３，　０ｘ２０，０ｘ０３，　０ｘ１Ｆ，０ｘ０３，　０ｘ１Ｂ，０ｘ０３，　０ｘ１Ｆ，０ｘ６６，　０ｘ１Ｆ，０ｘ０３，　０ｘ１Ｂ，０ｘ０３，　０ｘ１９，０ｘ０３，　０ｘ１９，０ｘ０３，　０ｘ１５，０ｘ０３，　０ｘ１Ａ，０ｘ６６，　０ｘ１Ａ，０ｘ０３，　０ｘ１９，０ｘ０３，　０ｘ１９，０ｘ０３，　０ｘ１Ｆ，０ｘ０３，　０ｘ１Ｂ，０ｘ０３，　０ｘ１Ｆ，０ｘ００，　０ｘ１８，０ｘ０２，　０ｘ１８，０ｘ０３，　０ｘ１Ａ，０ｘ０３，　０ｘ１９，０ｘ０Ｄ，　０ｘ１５，０ｘ０３，　０ｘ１５，０ｘ０２，　０ｘ１８，０ｘ６６，　０ｘ１６，０ｘ０２，　０ｘ１７，０ｘ０２，　０ｘ１５，０ｘ００，　０ｘ００，０ｘ００｝；　／／同一首歌　ｕｎｓｉｇｎｅｄ　ｃｈａｒ　ｃｏｄｅ　Ｍｕｓｉｃ＿Ｓａｍｅ［］＝｛　０ｘ０Ｆ，０ｘ０１，　０ｘ１５，０ｘ０２，　０ｘ１６，０ｘ０２，　０ｘ１７，０ｘ６６，　０ｘ１８，０ｘ０３，　０ｘ１７，０ｘ０２，　０ｘ１５，０ｘ０２，　０ｘ１６，０ｘ０１，　０ｘ１５，０ｘ０２，　０ｘ１０，０ｘ０２，　０ｘ１５，０ｘ００，　０ｘ０Ｆ，０ｘ０１，　０ｘ１５，０ｘ０２，　０ｘ１６，０ｘ０２，　０ｘ１７，０ｘ０２，　０ｘ１７，０ｘ０３，　０ｘ１８，０ｘ０３，　０ｘ１９，０ｘ０２，　０ｘ１５，０ｘ０２，　０ｘ１８，０ｘ６６，　０ｘ１７，０ｘ０３，　０ｘ１９，０ｘ０２，　０ｘ１６，０ｘ０３，　０ｘ１７，０ｘ０３，　０ｘ１６，０ｘ００，　０ｘ１７，０ｘ０１，　０ｘ１９，０ｘ０２，　０ｘ１Ｂ，０ｘ０２，　０ｘ１Ｂ，０ｘ７０，　０ｘ１Ａ，０ｘ０３，　０ｘ１Ａ，０ｘ０１，　０ｘ１９，０ｘ０２，　０ｘ１９，０ｘ０３，　０ｘ１Ａ，０ｘ０３，　０ｘ１Ｂ，０ｘ０２，　０ｘ１Ａ，０ｘ０Ｄ，　０ｘ１９，０ｘ０３，　０ｘ１７，０ｘ００，　０ｘ１８，０ｘ６６，　０ｘ１８，０ｘ０３，　０ｘ１９，０ｘ０２，　０ｘ１Ａ，０ｘ０２，　０ｘ１９，０ｘ０Ｃ，　０ｘ１８，０ｘ０Ｄ，　０ｘ１７，０ｘ０３，　０ｘ１６，０ｘ０１，　０ｘ１１，０ｘ０２，　０ｘ１１，０ｘ０３，　０ｘ１０，０ｘ０３，　０ｘ０Ｆ，０ｘ０Ｃ，　０ｘ１０，０ｘ０２，　０ｘ１５，０ｘ００，　０ｘ１Ｆ，０ｘ０１，　０ｘ１Ａ，０ｘ０１，　０ｘ１８，０ｘ６６，　０ｘ１９，０ｘ０３，　０ｘ１Ａ，０ｘ０１，　０ｘ１Ｂ，０ｘ０２，　０ｘ１Ｂ，０ｘ０３，　０ｘ１Ｂ，０ｘ０３，　０ｘ１Ｂ，０ｘ０Ｃ，　０ｘ１Ａ，０ｘ０Ｄ，　０ｘ１９，０ｘ０３，　０ｘ１７，０ｘ００，　０ｘ１Ｆ，０ｘ０１，　０ｘ１Ａ，０ｘ０１，　０ｘ１８，０ｘ６６，　０ｘ１９，０ｘ０３，　０ｘ１Ａ，０ｘ０１，　０ｘ１０，０ｘ０２，　０ｘ１０，０ｘ０３，　０ｘ１０，０ｘ０３，　０ｘ１Ａ，０ｘ０Ｃ，　０ｘ１８，０ｘ０Ｄ，　０ｘ１７，０ｘ０３，　０ｘ１６，０ｘ００，　０ｘ０Ｆ，０ｘ０１，　０ｘ１５，０ｘ０２，　０ｘ１６，０ｘ０２，　０ｘ１７，０ｘ７０，　０ｘ１８，０ｘ０３，　０ｘ１７，０ｘ０２，　０ｘ１５，０ｘ０３，　０ｘ１５，０ｘ０３，　０ｘ１６，０ｘ６６，　０ｘ１６，０ｘ０３，　０ｘ１６，０ｘ０２，　０ｘ１６，０ｘ０３，　０ｘ１５，０ｘ０３，　０ｘ１０，０ｘ０２，　０ｘ１０，０ｘ０１，　０ｘ１１，０ｘ０１，　０ｘ１１，０ｘ６６，　０ｘ１０，０ｘ０３，　０ｘ０Ｆ，０ｘ０Ｃ，　０ｘ１Ａ，０ｘ０２，　０ｘ１９，０ｘ０２，　０ｘ１６，０ｘ０３，　０ｘ１６，０ｘ０３，　０ｘ１８，０ｘ６６，　０ｘ１８，０ｘ０３，　０ｘ１８，０ｘ０２，　０ｘ１７，０ｘ０３，　０ｘ１６，０ｘ０３，　０ｘ１９，０ｘ００，　０ｘ００，０ｘ００　｝；　／／两只蝴蝶　ｕｎｓｉｇｎｅｄ　ｃｈａｒ　ｃｏｄｅ　Ｍｕｓｉｃ＿Ｔｗｏ［］　＝｛　０ｘ１７，０ｘ０３，　０ｘ１６，０ｘ０３，　０ｘ１７，０ｘ０１，　０ｘ１６，０ｘ０３，　０ｘ１７，０ｘ０３，　０ｘ１６，０ｘ０３，　０ｘ１５，０ｘ０１，　０ｘ１０，０ｘ０３，　０ｘ１５，０ｘ０３，　０ｘ１６，０ｘ０２，　０ｘ１６，０ｘ０Ｄ，　０ｘ１７，０ｘ０３，　０ｘ１６，０ｘ０３，　０ｘ１５，０ｘ０３，　０ｘ１０，０ｘ０３，　０ｘ１０，０ｘ０Ｅ，　０ｘ１５，０ｘ０４，　０ｘ０Ｆ，０ｘ０１，　０ｘ１７，０ｘ０３，　０ｘ１６，０ｘ０３，　０ｘ１７，０ｘ０１，　０ｘ１６，０ｘ０３，　０ｘ１７，０ｘ０３，　０ｘ１６，０ｘ０３，　０ｘ１５，０ｘ０１，　０ｘ１０，０ｘ０３，　０ｘ１５，０ｘ０３，　０ｘ１６，０ｘ０２，　０ｘ１６，０ｘ０Ｄ，　０ｘ１７，０ｘ０３， ０ｘ１６，０ｘ０３，　０ｘ１５，０ｘ０３，　０ｘ１０，０ｘ０３，　０ｘ１５，０ｘ０３，　０ｘ１６，０ｘ０１，　０ｘ１７，０ｘ０３，　０ｘ１６，０ｘ０３，　０ｘ１７，０ｘ０１，　０ｘ１６，０ｘ０３，　０ｘ１７，０ｘ０３，　０ｘ１６，０ｘ０３，　０ｘ１５，０ｘ０１，　０ｘ１０，０ｘ０３，　０ｘ１５，０ｘ０３，　０ｘ１６，０ｘ０２，　０ｘ１６，０ｘ０Ｄ，　０ｘ１７，０ｘ０３，　０ｘ１６，０ｘ０３，　０ｘ１５，０ｘ０３，　０ｘ１０，０ｘ０３，　０ｘ１０，０ｘ０Ｅ，　０ｘ１５，０ｘ０４，　０ｘ０Ｆ，０ｘ０１，　０ｘ１７，０ｘ０３，　０ｘ１９，０ｘ０３，　０ｘ１９，０ｘ０１，　０ｘ１９，０ｘ０３，　０ｘ１Ａ，０ｘ０３，　０ｘ１９，０ｘ０３，　０ｘ１７，０ｘ０１，　０ｘ１６，０ｘ０３，　０ｘ１６，０ｘ０３，　０ｘ１６，０ｘ０２，　０ｘ１６，０ｘ０Ｄ，　０ｘ１７，０ｘ０３，　０ｘ１６，０ｘ０３，　０ｘ１５，０ｘ０３，　０ｘ１０，０ｘ０３，　０ｘ１０，０ｘ０Ｄ，　０ｘ１５，０ｘ００，　０ｘ１９，０ｘ０３，　０ｘ１９，０ｘ０３，　０ｘ１Ａ，０ｘ０３，　０ｘ１Ｆ，０ｘ０３，　０ｘ１Ｂ，０ｘ０３，　０ｘ１Ｂ，０ｘ０３，　０ｘ１Ａ，０ｘ０３，　０ｘ１７，０ｘ０Ｄ，　０ｘ１６，０ｘ０３，　０ｘ１６，０ｘ０３，　０ｘ１６，０ｘ０Ｄ，　０ｘ１７，０ｘ０１，　０ｘ１７，０ｘ０３，　０ｘ１７，０ｘ０３，　０ｘ１９，０ｘ０３，　０ｘ１Ａ，０ｘ０２，　０ｘ１Ａ，０ｘ０２，　０ｘ１０，０ｘ０３，　０ｘ１７，０ｘ０Ｄ，　０ｘ１６，０ｘ０３，　０ｘ１６，０ｘ０１，　０ｘ１７，０ｘ０３，　０ｘ１９，０ｘ０３，　０ｘ１９，０ｘ０３，　０ｘ１７，０ｘ０３，　０ｘ１９，０ｘ０２，　０ｘ１Ｆ，０ｘ０２，　０ｘ１Ｂ，０ｘ０３，　０ｘ１Ａ，０ｘ０３，　０ｘ１Ａ，０ｘ０Ｅ，　０ｘ１Ｂ，０ｘ０４，　０ｘ１７，０ｘ０２，　０ｘ１Ａ，０ｘ０３，　０ｘ１Ａ，０ｘ０３，　０ｘ１Ａ，０ｘ０Ｅ，　０ｘ１Ｂ，０ｘ０４，　０ｘ１Ａ，０ｘ０３，　０ｘ１９，０ｘ０３，　０ｘ１７，０ｘ０３，　０ｘ１６，０ｘ０３，　０ｘ１７，０ｘ０Ｄ，　０ｘ１６，０ｘ０３，　０ｘ１７，０ｘ０３，　０ｘ１９，０ｘ０１，　０ｘ１９，０ｘ０３，　０ｘ１９，０ｘ０３，　０ｘ１Ａ，０ｘ０３，　０ｘ１Ｆ，０ｘ０３，　０ｘ１Ｂ，０ｘ０３，　０ｘ１Ｂ，０ｘ０３，　０ｘ１Ａ，０ｘ０３，　０ｘ１７，０ｘ０Ｄ，　０ｘ１６，０ｘ０３，　０ｘ１６，０ｘ０３，　０ｘ１６，０ｘ０３，　０ｘ１７，０ｘ０１，　０ｘ１７，０ｘ０３，　０ｘ１７，０ｘ０３，　０ｘ１９，０ｘ０３，　０ｘ１Ａ，０ｘ０２，　０ｘ１Ａ，０ｘ０２，　０ｘ１０，０ｘ０３，　０ｘ１７，０ｘ０Ｄ，　０ｘ１６，０ｘ０３，　０ｘ１６，０ｘ０１，　０ｘ１７，０ｘ０３，　０ｘ１９，０ｘ０３，　０ｘ１９，０ｘ０３，　０ｘ１７，０ｘ０３，　０ｘ１９，０ｘ０３，　０ｘ１Ｆ，０ｘ０２，　０ｘ１Ｂ，０ｘ０３，　０ｘ１Ａ，０ｘ０３，　０ｘ１Ａ，０ｘ０Ｅ，　０ｘ１Ｂ，０ｘ０４，　０ｘ１７，０ｘ０２，　０ｘ１Ａ，０ｘ０３，　０ｘ１Ａ，０ｘ０３，　０ｘ１Ａ，０ｘ０Ｅ，　０ｘ１Ｂ，０ｘ０４，　０ｘ１７，０ｘ１６，　０ｘ１Ａ，０ｘ０３，　０ｘ１Ａ，０ｘ０３，　０ｘ１Ａ，０ｘ０Ｅ，　０ｘ１Ｂ，０ｘ０４，　０ｘ１Ａ，０ｘ０３，　０ｘ１９，０ｘ０３，　０ｘ１７，０ｘ０３，　０ｘ１６，０ｘ０３，　０ｘ０Ｆ，０ｘ０２，　０ｘ１０，０ｘ０３，　０ｘ１５，０ｘ００，　０ｘ００，０ｘ００　｝；　／＊＊＊＊＊＊＊＊＊＊＊＊＊＊＊＊＊＊＊＊＊＊＊＊＊＊＊＊＊＊＊＊＊＊＊＊＊＊＊＊＊＊＊＊＊＊＊＊＊＊＊＊＊＊＊＊＊＊＊＊＊＊＊＊＊＊＊＊＊＊＊＊＊＊＊＊＊＊＊＊＊＊＊＊＊／　ｖｏｉｄ　ｍａｉｎ（）　｛　ＩｎｉｔｉａｌＳｏｕｎｄ（）；　ｗｈｉｌｅ（１）　｛　Ｐｌａｙ（Ｍｕｓｉｃ＿Ｇｉｒｌ，０，３，３６０）；　Ｄｅｌａｙ１ｍｓ（５００）；　Ｐｌａｙ（Ｍｕｓｉｃ＿Ｓａｍｅ，０，３，３６０）；　Ｄｅｌａｙ１ｍｓ（５００）；　Ｐｌａｙ（Ｍｕｓｉｃ＿Ｔｗｏ，０，３，３６０）；　Ｄｅｌａｙ１ｍｓ（５００）；　｝　｝ ／＊＊＊＊＊＊＊＊＊＊＊＊＊＊＊＊＊＊＊＊＊＊＊＊＊＊＊＊＊＊＊＊＊＊＊＊＊＊＊＊＊＊＊＊＊＊＊＊＊＊＊＊＊＊＊＊＊＊＊＊＊＊＊＊＊＊／　／＊　／＊　头文件：ＳＯＵＮＤＰＬＡＹ．Ｈ　说明：此头文件来源于网络　＊／　＊／ ／＊＊＊＊＊＊＊＊＊＊＊＊＊＊＊＊＊＊＊＊＊＊＊＊＊＊＊＊＊＊＊＊＊＊＊＊＊＊＊＊＊＊＊＊＊＊＊＊＊＊＊＊＊＊＊＊＊＊＊＊＊＊＊＊＊＊／　／＊说明＊＊＊＊＊＊＊＊＊＊＊＊＊＊＊＊＊＊＊＊＊＊＊＊＊＊＊＊＊＊＊＊＊＊＊＊＊＊＊＊＊＊＊＊＊＊＊＊＊＊＊＊＊＊＊＊＊＊＊＊＊＊　曲谱存贮格式　ｕｎｓｉｇｎｅｄ　ｃｈａｒ　ｃｏｄｅ　ＭｕｓｉｃＮａｍｅ｛音高，音长，音高，音长……，　０，０｝；　末尾：０，０　表示结束（Ｉｍｐｏｒｔａｎｔ）　音高由三位数字组成：　个位是表示　１￣７　这七个音符　十位是表示音符所在的音区：１－低音，２－中音，３－高音；　百位表示这个音符是否要升半音：　０－不升，１－升半音。

51单片机蜂鸣器代码理解1.引言1.1 概述概述：蜂鸣器是一种广泛应用于电子设备中的声音输出装置，它通过控制某个频率的电信号使蜂鸣器发出特定的声音。

而51单片机，则是一种常见的单片机芯片，具有广泛的应用领域。

本文将主要探讨51单片机蜂鸣器的代码理解和应用。

通过对其基本原理的概述以及相关代码的解析，希望读者能够深入理解51单片机蜂鸣器的工作原理和实现方式。

在第二部分中，我们将介绍单片机蜂鸣器的基本原理。

包括如何通过单片机控制蜂鸣器的电信号频率和时长，从而实现不同的声音效果。

接着，在第二点中，我们将详细解析51单片机蜂鸣器的代码。

通过对代码的分析，读者可以了解到如何使用51单片机的引脚功能和定时器功能来控制蜂鸣器。

最后，在结论部分，我们将对所述内容进行总结，并展望51单片机蜂鸣器在未来的应用前景。

蜂鸣器作为一种重要的声音输出装置，具有广泛的应用前景，可以应用于报警系统、提醒装置等领域。

通过本文的阅读，读者将能够全面了解51单片机蜂鸣器的工作原理和代码实现方式，为相关领域的应用开发提供参考和指导。

让我们开始探索吧！1.2 文章结构文章结构的部分主要介绍了本文的组织和分类方式，以帮助读者更好地理解文章的内容和思路。

本文按照以下结构进行组织：1. 引言部分：介绍了文章的概述、结构和目的。

通过引言部分，读者可以初步了解到本文的内容和主题，并对文章的结构和目的有一个整体的认识。

2. 正文部分：主要分为两个小节，分别是"单片机蜂鸣器的基本原理"和"51单片机蜂鸣器代码解析"。

2.1 单片机蜂鸣器的基本原理：该部分将详细介绍单片机蜂鸣器的基本工作原理，包括蜂鸣器的构成和工作原理，以及单片机如何控制蜂鸣器发出指定的声音。

2.2 51单片机蜂鸣器代码解析：该部分将对51单片机蜂鸣器的代码进行解析，包括如何初始化引脚、设置定时器和中断等相关代码。

通过对代码的逐行解析和说明，读者可以更加深入地理解代码的功能和实现原理。

/*生日快乐歌曲*/#include <>#define uint unsigned int#define uchar unsigned charsbit 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};//延时!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){ //播放各个音符，SONG_LONG 为拍子长度%for(j=0;j<SONG_LONG[i]*20;j++){beep=~beep;//SONG_TONE 延时表决定了每个音符的频率for(k=0;k<SONG_TONE[i]/3;k++);}DelayMS(10);i++;}}~void main(){beep=0;while(1){PlayMusic(); //播放生日快乐DelayMS(500); //播放完后暂停一段时间}}两只蝴蝶：%#include <> // 这是单片机音乐代码生成器生成的代码#define uchar unsigned charsbit beepIO=P1^5; // 输出为可以修改成其它IO 口uchar m,n;uchar code T[49][2]={{0,0},{0xF8,0x8B},{0xF8,0xF2},{0xF9,0x5B},{0xF9,0xB7},{0xFA,0x14},{0xFA,0x66},{0xFA,0xB9},{0xFB,0x03 },{0xFB,0x4A},{0xFB,0x8F},{0xFB,0xCF},{0xFC,0x0B},{0xFC,0x43},{0xFC,0x78},{0xFC,0xAB},{0xFC,0xDB},{0xFD,0x08},{0xFD,0x33},{0xFD,0x5B},{0xFD,0x8 1},{0xFD,0xA5},{0xFD,0xC7},{0xFD,0xE7},{0xFE,0x05},{0xFE,0x21},{0xFE,0x3C},{0xFE,0x55},{0xFE,0x6D},{0xFE,0x84},{0xFE,0x99},{0xFE,0xAD},{0xFE,0xC0 },{0xFE,0x02},{0xFE,0xE3},{0xFE,0xF3},{0xFF,0x02},{0xFF,0x10},{0xFF,0x1D},{0xFF,0x2A},{0xFF,0x36},{0xFF,0x42},{0xFF,0x4C},{0xFF,0x56},{0xFF,0x60},{ 0xFF,0x69},{0xFF,0x71},{0xFF,0x79},{0xFF,0x81}};~uchar code music[][2]={{0,4},{23,4},{21,4},{23,16},{23,4},{21,4},{23,4},{21,4},{19,16},{16,4},{19,4},{21,8},{21,4},{23,4},{21,4},{19 ,4},{16,4},{19,4},{14,24},{23,4},{21,4},{23,16},{23,4},{21,4},{23,4},{21,4},{19,24},{16,4},{19,4},{21,8},{21,4},{23,4},{21,4},{19 ,4},{16,4},{19,4},{21,24},{23,4},{21,4},{23,16},{23,4},{21,4},{23,4},{21,4},{19,16},{16,4},{19,4},{21,8},{21,4},{23,4},{21,4},{19 ,4},{16,4},{19,4},{14,24},{23,4},{26,4},{26,16},{26,4},{28,4},{26,4},{23,24},{21,4},{23,4},{21,8},{21,4},{23,4},{21,4},{19,4},{16 ,4},{16,2},{19,2},{19,24},{0,20},{26,4},{26,4},{28,4},{31,4},{30,4},{30,4},{28,4},{23,4},{21,4},{21,4},{23,16},{0,4},{23,4},{23,4},{26,4} ,{28,8},{28,12},{16,4},{23,4},{21,4},{21,24},{23,4},{26,4},{26,4},{23,4},{26,8},{0,4},{31,8},{30,4},{28,4},{30,4},{23,8},{0,4},{28,4},{28,4},{ 30,4},{28,4},{26,4},{23,4},{21,8},{23,4},{21,4},{23,4},{26,16},{0xFF,0xFF}};void delay(uchar p){.uchar i,j;for(;p>0;p--)for(i=181;i>0;i--)for(j=181;j>0;j--);}void pause(){uchar i,j;for(i=150;i>0;i--)for(j=150;j>0;j--);/}void T0_int() interrupt 1{beepIO=!beepIO;TH0=T[m][0]; TL0=T[m][1];}void main(){uchar i=0;TMOD=0x01; EA=1; ET0=1;、while(1){m=music[i][0];n=music[i][1];if(m==0x00){TR0=0;delay(n);i++;}else if(m==0xFF){TR0=0;delay(30);i=0;}else if(m==music[i+1][0]){TR0=1;delay(n);TR0=0;pause();i++;}else.{TR0=1;delay(n);i++;}}}祝你平安：#include ""unsigned char Count;sbit _Speak =P1^5 ;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}; 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;j<3;j++ );}}void Play_Song(unsigned char i){unsigned char Temp1,Temp2;unsigned int Addr;!Count = 0; //中断计数器清0Addr = 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}}。

单片机蜂鸣器播放音乐代码生日快乐两只蝴蝶祝你平安/*生日快乐歌曲*/#include<reg51.h>#defineuintunsignedint#defineucharunsignedcharsbitbeep=P1^5;ucharcodeSONG_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};ucharcodeSONG_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};//延时voidDelayMS(uintx){uchart;while(x--)for(t=0;t<120;t++);}voidPlayMusic(){uinti=0,j,k;while(SONG_LONG[i]!=0||SONG_TONE[i]!=0){//播放各个音符，SONG_LONG为拍子长度for(j=0;j<SONG_LONG[i]*20;j++){beep=~beep;//SONG_TONE延时表决定了每个音符的频率for(k=0;k<SONG_TONE[i]/3;k++);}DelayMS(10);i++;}}voidmain(){beep=0;while(1){PlayMusic();//播放生日快乐DelayMS(500);//播放完后暂停一段时间}}两只蝴蝶：#include<reg51.h>//这是单片机音乐代码生成器生成的代码#defineucharunsignedcharsbitbeepIO=P1^5;//输出为P1.5可以修改成其它IO口ucharcodeT[49][2]={{0,0},{0xF8,0x8B},{0xF8,0xF2},{0xF9,0x5B},{0xF9,0xB7},{0xFA,0x14},{0xFA,0x66},{0xFA,0xB9},{ 0xFB,0x03},{0xFB,0x4A},{0xFB,0x8F},{0xFB,0xCF},{0xFC,0x0B},{0xFC,0x43},{0xFC,0x78},{0xFC,0xAB},{0xFC,0xDB},{0xFD,0x08},{0xFD,0x33},{0xFD,0x5B},{ 0xFD,0x81},{0xFD,0xA5},{0xFD,0xC7},{0xFD,0xE7},{0xFE,0x05},{0xFE,0x21},{0xFE,0x3C},{0xFE,0x55},{0xFE,0x6D},{0xFE,0x84},{0xFE,0x99},{0xFE,0xAD},{ 0xFE,0xC0},{0xFE,0x02},{0xFE,0xE3},{0xFE,0xF3},{0xFF,0x02},{0xFF,0x10},{0xFF,0x1D},{0xFF,0x2A},{0xFF,0x36},{0xFF,0x42},{0xFF,0x4C},{0xFF,0x56},{ 0xFF,0x60},{0xFF,0x69},{0xFF,0x71},{0xFF,0x79},{0xFF,0x81}};ucharcodemusic[][2]={{0,4},{23,4},{21,4},{23,16},{23,4},{21,4},{23,4},{21,4},{19,16},{16,4},{19,4},{21,8},{21,4} ,{23,4},{21,4},{19,4},{16,4},{19,4},{14,24},{23,4},{21,4},{23,16},{23,4},{21,4},{23,4},{21,4},{19,24},{16,4},{19,4},{21,8},{21,4} ,{23,4},{21,4},{19,4},{16,4},{19,4},{21,24},{23,4},{21,4},{23,16},{23,4},{21,4},{23,4},{21,4},{19,16},{16,4},{19,4},{21,8},{21,4} ,{23,4},{21,4},{19,4},{16,4},{19,4},{14,24},{23,4},{26,4},{26,16},{26,4},{28,4},{26,4},{23,24},{21,4},{23,4},{21,8},{21,4},{23,4} ,{21,4},{19,4},{16,4},{16,2},{19,2},{19,24},{0,20},{26,4},{26,4},{28,4},{31,4},{30,4},{30,4},{28,4},{23,4},{21,4},{21,4},{23,16},{0,4},{ 23,4},{23,4},{26,4},{28,8},{28,12},{16,4},{23,4},{21,4},{21,24},{23,4},{26,4},{26,4},{23,4},{26,8},{0,4},{31,8},{30,4},{28,4},{30,4},{23,8},{ 0,4},{28,4},{28,4},{30,4},{28,4},{26,4},{23,4},{21,8},{23,4},{21,4},{23,4},{26,16}, {0xFF,0xFF}};voiddelay(ucharp){uchari,j;for(;p>0;p--)for(i=181;i>0;i--)for(j=181;j>0;j--);}voidpause(){uchari,j;for(i=150;i>0;i--)for(j=150;j>0;j--);}voidT0_int()interrupt1{beepIO=!beepIO;TH0=T[m][0];TL0=T[m][1];}voidmain(){uchari=0;while(1){m=music[i][0];n=music[i][1];if(m==0x00){TR0=0;delay(n);i++;}elseif(m==0xFF){TR0=0;delay(30);i=0;}elseif(m==music[i+1][0]){TR0=1;delay(n);TR0=0;pause();i++;}else{TR0=1;delay(n);i++;}}}祝你平安：#include"reg52.h"unsignedcharCount;sbit_Speak=P1^5;unsignedcharcodeSONG[]={//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};voidTime0_Init(){TMOD=0x01;IE=0x82;TH0=0xD8;TL0=0xEF;//12MZ晶振，10ms}voidTime0_Int()interrupt1{TH0=0xD8;TL0=0xEF;Count++;//长度加1}功能:1MS延时子程序-------------------------------------------------*/ voidDelay_xMs(unsignedintx){unsignedinti,j;for(i=0;i<x;i++){for(j=0;j<3;j++);}}voidPlay_Song(unsignedchari){unsignedcharTemp1,Temp2;unsignedintAddr;Count=0;//中断计数器清0Addr=i*217;while(1){Temp1=SONG[Addr++];if(Temp1==0xFF)//休止符{TR0=0;Delay_xMs(100);}elseif(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-------------------------------------------------*/ voidmain(){Time0_Init();//定时器0中断初始化while(1){Play_Song(0);//播放}}。

本例使用延时函数实精品文档按键发音/* 名称：按键发音说明：按下不同的按键会是SOUNDE 发出不同频率的声音。

现不同频率的声音输出，以后也可使用定时器*/#include<reg51.h>#define uchar unsigned char#define uint unsigned intsbit BEEP=P3A 7;sbit K 仁 P1A4;sbit K2=P1A5;sbit K3=P1A6;sbit K4=P1A7;// 延时void DelayMS(uint x){uchar t;while(x--) for(t=0;t<120;t++);}// 按周期 t 发音void Play(uchar t){uchar i;for(i=0;i<100;i++){BEEP=~BEEP;DelayMS(t);}BEEP=0;}void main(){P1=0xff;BEEP=0;while(1){if(K1==0) Play(1);if(K2==0) Play(2);if(K3==0) Play(3);if(K4==0) Play(4);}}精品文档播放音乐/* 名称：播放音乐说明：程序运行时播放生日快乐歌， 未使用定时器中断，所有频率完全用延时 实现*/#include<reg51.h>#define uchar unsigned char#define uint unsigned intsbit BEEP=P3A7;// 生日快乐歌的音符频率表，不同频率由不同的延时来决定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};// 生日快乐歌节拍表，节拍决定每个音符的演奏长短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};// 延时void DelayMS(uint x){uchar t;while(x--) for(t=0;t<120;t++);}// 播放函数void PlayMusic(){ uint i=0,j,k; while(SONG_LONG[i]!=0||SONG_TONE[i]!=0){ //播放各个音符，SONG_LON为拍子长度for(j=0;j<SONG_LONG[i]*20;j++){BEEP=~BEEP;〃SONG_TON延时表决定了每个音符的频率for(k=0;k<SONG_TONE[i]/3;k++);} DelayMS(10);i++;}}void main(){BEEP=0;while(1){PlayMusic(); // 播放生日快乐DelayMS(500); // 播放完后暂停一段时间}精品文档。

此程序是51单片机c语言编写的电子琴+音乐播放器，当用杜邦线将P1^0管脚接地时，单片机就会放出《世上只有妈妈好》，将P1^1 管脚接地时单片机就播放《祝你生日快乐》，两者为高电平时进入电子钢琴模式，利用16个矩阵键盘发出相应的哆、瑞、米、发、索。

此文档的乐谱是借鉴别人的，因为本人是音乐白痴！这是我第一次发表，我希望能帮到有需要的人啦........#include <reg52.h>#define uchar unsigned char#define uint unsigned intsbit beep=P2^3; //定义蜂鸣器sbit music=P1^0; //music为低电平播放《世上只有妈妈好》（工作模式为音乐播放器），music1为低电平时播放祝你生日快乐，music、music1都为高电平时（工作模式为电子钢琴）sbit music1=P1^1;uchar timer0h,timer0l,time,key,flag; //flag==0时为电子钢琴模式，flag==1时为音乐播放器uchar code yuepu[]={ 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 }; //世上只有妈妈好乐谱uchar code yuepu1[]={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};//祝你生日快乐乐谱uchar code TH_0[]={0xF2,0xF3,0xF5,0xF5,0xF6,0xF7,0xF8,0xF9,0xF9,0xFA,0xFA,0xFB,0xFB,0xFC,0xFC,0xFC,0xFD,0xFD,0xFD,0xFD,0xFE, // 28个音阶高八位频率表装进定时器高八位0xFE,0xFE,0xFE,0xFE,0xFE,0xFE,0xFF,} ;uchar code TL_0[]={0x42,0xC1,0x17,0xB6,0xD0,0xD1,0xB6,0x21,0xE1,0x8C,0xD8,0x68,0xE9,0x5B,0x8F, // 28个音阶低八位频率表装进定时器低八位0xEE,0x44, 0x6B,0xB4,0xF4,0x2D,0x47,0x77,0xA2,0xB6,0xDA,0xFA,0x16,};void delay(uchar t){uchar t1;unsigned long t2;for(t1=0;t1<t;t1++) //延时半拍函数，控制音乐节奏{for(t2=0;t2<8000;t2++){ ; }}}void song(){TH0=timer0h;TL0=timer0l; // 唱歌程序TR0=1;delay(time); //延时，让此音节播放的长短TR0=0; //关定时器，为下个音节响做准备}void delayms(uint x){uint i,j; //去抖延时for(i=x;i>0;i--)for(j=110;j>0;j--);}void keyscan() //检测十六个发出音乐按键函数{ uchar temp;P3=0xfe;temp=P3;temp=0xf0&temp;if(temp!=0x0f){ delayms(10); //检测第一行按键temp=P3 ;temp=temp&0xf0;if(temp!=0xf0){temp=P3;switch(temp){case 0xee: key=0;break;case 0xde: key=1;break;case 0xbe: key=2;break;case 0x7e: key=3;break;}TH0=TH_0[key]; //将按下的键对应发出此频率声音的初值装入TL0=TL_0[key];TR0=1; //打开定时器0while(temp!=0xf0) //一直按下就一直发声{temp=P3;temp=temp&0xf0;}TR0=0; //松手时关闭定时器0，不能发声beep=1;//使蜂鸣器置高关闭，预防在进入中断取反时将它置低打开}}P3=0xfd;temp=P3;temp=0xf0&temp;if(temp!=0x0f) // 检测第二行按键{ delayms(10);temp=P3 ;temp=temp&0xf0;if(temp!=0xf0){temp=P3;switch(temp){case 0xed: key=4;break;case 0xdd: key=5;break;case 0xbd: key=6;break;case 0x7d: key=7;break;}TH0=TH_0[key]; //将按下的键对应发出此频率声音的初值装入TL0=TL_0[key];定时器0while(temp!=0xf0) //一直按下就一直发声{temp=P3;temp=temp&0xf0;}TR0=0; //松手时关闭定时器0，不能发声beep=1; //使蜂鸣器置高关闭，预防在进入中断取反时将它置低打开}}P3=0xfb;temp=P3;temp=0xf0&temp;if(temp!=0x0f){ delayms(10);temp=P3 ;temp=temp&0xf0;if(temp!=0xf0){temp=P3;switch(temp){case 0xeb: key=8;break;case 0xdb: key=9;break;case 0xbb: key=10;break;case 0x7b: key=11;break;}TH0=TH_0[key]; //将按下的键对应发出此频率声音的初值装入TL0=TL_0[key];TR0=1; //打开定时器0while(temp!=0xf0) //一直按下就一直发声{temp=P3;temp=temp&0xf0;}手时关闭定时器0，不能发声beep=1; //使蜂鸣器置高关闭，预防在进入中断取反时将它置低打开}}P3=0xf7;temp=P3;temp=0xf0&temp;if(temp!=0x0f){ delayms(10);temp=P3 ;temp=temp&0xf0;if(temp!=0xf0){temp=P3;switch(temp){case 0xe7: key=12;break;case 0xd7: key=13;break;case 0xb7: key=14;break;case 0x77: key=15;break;}TH0=TH_0[key]; //将按下的键对应发出此频率声音的初值装入TL0=TL_0[key];TR0=1; //打开定时器0while(temp!=0xf0) //一直按下就一直发声{temp=P3;temp=temp&0xf0;}TR0=0; //松手时关闭定时器0，不能发声beep=1; //使蜂鸣器置高关闭，预防在进入中断取反时将它置低打开}}}void main(){uchar k,i;TMOD=1;EA=1;ET0=1;while(1){if(music&&music1) //当两个都为高电平时没有放音乐，扫描键盘{ flag=0;keyscan();}if(!music) //当P1^0管脚为低电平时,播放《世上只有妈妈好》{ flag=1;i=0;while(i<100) //音乐数组长度，唱完从头再来{if(music) //在播放音乐时P1^0为高电平时退出播放此歌曲{ beep=1; //使蜂鸣器置高关闭，预防在进入中断取反时将它置低打开break;}k=yuepu[i]+7*yuepu[i+1]-1;timer0h=TH_0[k]; // 把对应的音乐频率放进定时器0timer0l=TL_0[k];time=yuepu[i+2]; //音乐节拍i+=3;song();}}if(!music1) // music为低电平时，播放《祝你生日快乐》{ flag=1;i=0;while(i<75) //乐谱的长度{if(music1){beep=1;break;}k=yuepu1[i]+7*yuepu1[i+1]-1;timer0h=TH_0[k];timer0l=TL_0[k];time=yuepu1[i+2];i+=3;song();}}}}void time0() interrupt 1{if(flag==0){beep=!beep; //电子琴模式时进入此语句TH0=TH_0[key];TL0=TL_0[key];}else{ beep=!beep;TH0=timer0h; //音乐播放器模式进入此语句TL0=timer0l;}}。

/******************************************************************//*名称：蜂鸣器奏乐演示程序*//*作者：苏涛*//*时间：2011-01-18*//*单位：安徽建筑工业学院电子与信息工程学院*//*07级电子信息工程专业二班*//******************************************************************/#include<reg52.h>//头文件调用，写程序时都要加上#include"SoundPlay.h"/******************************************************************//*名称：延时函数*//*功能：C语言中常用的for循环延时方法*//*延时长短可以通过变量初值来改变*//******************************************************************/void Delay1ms(uint count){uint i,j;for(i=0;i<count;i++)for(j=0;j<120;j++);}/*****************************Music***************************************************/ //挥着翅膀的女孩unsigned char code Music_Girl[]={0x17,0x02,0x17,0x03,0x18,0x03,0x19,0x02,0x15,0x03,0x16,0x03,0x17,0x03,0x17,0x03,0x17,0x03,0x18,0x03,0x19,0x02,0x16,0x03,0x17,0x03,0x18,0x02,0x18,0x03,0x17,0x03,0x15,0x02,0x18,0x03,0x17,0x03,0x18,0x02,0x10,0x03,0x15,0x03,0x16,0x02,0x15,0x03,0x16,0x03,0x17,0x02,0x17,0x03,0x18,0x03,0x19,0x02,0x1A,0x03,0x1B,0x03,0x1F,0x03,0x1F,0x03,0x17,0x03,0x18,0x03,0x19,0x02,0x16,0x03,0x17,0x03,0x18,0x03,0x17,0x03,0x18,0x03,0x1F,0x03,0x1F,0x02,0x16,0x03,0x17,0x03,0x18,0x03,0x17,0x03,0x18,0x03,0x20,0x03,0x20,0x02,0x1F,0x03,0x1B,0x03,0x1F,0x66,0x20,0x03,0x21,0x03,0x20,0x03,0x1F,0x03,0x1B,0x03,0x1F,0x66,0x1F,0x03,0x1B,0x03,0x19,0x03,0x19,0x03,0x15,0x03,0x1A,0x66,0x1A,0x03,0x19,0x03,0x15,0x03,0x15,0x03,0x17,0x03,0x16,0x66,0x17,0x04,0x18,0x04,0x18,0x03,0x19,0x03,0x1F,0x03,0x1B,0x03,0x1F,0x66,0x20,0x03,0x21,0x03,0x20,0x03,0x1F,0x03,0x1B,0x03,0x1F,0x66,0x1F,0x03,0x1B,0x03,0x19,0x03,0x19,0x03,0x15,0x03,0x1A,0x66,0x1A,0x03,0x19,0x03,0x19,0x03,0x1F,0x03,0x1B,0x03,0x1F,0x00,0x1A,0x03,0x1A,0x03,0x1A,0x03,0x1B,0x03,0x1B,0x03,0x1A,0x03,0x19,0x03,0x19,0x02,0x17,0x03,0x15,0x17,0x15,0x03,0x16,0x03,0x17,0x03,0x18,0x03,0x17,0x04,0x18,0x0E,0x18,0x03,0x17,0x04,0x18,0x0E,0x18,0x66,0x17,0x03,0x18,0x03,0x17,0x03,0x18,0x03,0x20,0x03,0x20,0x02,0x1F,0x03,0x1B,0x03,0x1F,0x66,0x20,0x03,0x21,0x03,0x20,0x03,0x1F,0x03,0x1B,0x03,0x1F,0x66,0x1F,0x04,0x1B,0x0E,0x1B,0x03,0x19,0x03,0x19,0x03,0x15,0x03,0x1A,0x66,0x1A,0x03,0x19,0x03,0x15,0x03,0x15,0x03,0x17,0x03,0x16,0x66,0x17,0x04,0x18,0x04,0x18,0x03,0x19,0x03,0x1F,0x03,0x1B,0x03,0x1F,0x66,0x20,0x03,0x21,0x03,0x20,0x03,0x1F,0x03,0x1B,0x03,0x1F,0x66,0x1F,0x03,0x1B,0x03,0x19,0x03,0x19,0x03,0x15,0x03,0x1A,0x66,0x1A,0x03,0x19,0x03,0x19,0x03,0x1F,0x03,0x1B,0x03,0x1F,0x00,0x18,0x02,0x18,0x03,0x1A,0x03,0x19,0x0D,0x15,0x03,0x15,0x02,0x18,0x66,0x16,0x02,0x17,0x02,0x15,0x00,0x00,0x00}; //同一首歌unsigned char code Music_Same[]={0x0F,0x01,0x15,0x02,0x16,0x02,0x17,0x66,0x18,0x03,0x17,0x02,0x15,0x02,0x16,0x01,0x15,0x02,0x10,0x02,0x15,0x00,0x0F,0x01,0x15,0x02,0x16,0x02,0x17,0x02,0x17,0x03,0x18,0x03,0x19,0x02,0x15,0x02,0x18,0x66,0x17,0x03,0x19,0x02,0x16,0x03,0x17,0x03,0x16,0x00,0x17,0x01,0x19,0x02,0x1B,0x02,0x1B,0x70,0x1A,0x03,0x1A,0x01,0x19,0x02,0x19,0x03,0x1A,0x03,0x1B,0x02,0x1A,0x0D,0x19,0x03,0x17,0x00,0x18,0x66,0x18,0x03,0x19,0x02,0x1A,0x02,0x19,0x0C,0x18,0x0D,0x17,0x03,0x16,0x01,0x11,0x02,0x11,0x03,0x10,0x03,0x0F,0x0C,0x10,0x02,0x15,0x00,0x1F,0x01,0x1A,0x01,0x18,0x66,0x19,0x03,0x1A,0x01,0x1B,0x02,0x1B,0x03,0x1B,0x03,0x1B,0x0C,0x1A,0x0D,0x19,0x03,0x17,0x00,0x1F,0x01,0x1A,0x01,0x18,0x66,0x19,0x03,0x1A,0x01,0x10,0x02,0x10,0x03,0x10,0x03,0x1A,0x0C,0x18,0x0D,0x17,0x03,0x16,0x00,0x0F,0x01,0x15,0x02,0x16,0x02,0x17,0x70,0x18,0x03,0x17,0x02,0x15,0x03,0x15,0x03,0x16,0x66,0x16,0x03,0x16,0x02,0x16,0x03,0x15,0x03,0x10,0x02,0x10,0x01,0x11,0x01,0x11,0x66,0x10,0x03,0x0F,0x0C,0x1A,0x02,0x19,0x02,0x16,0x03,0x16,0x03,0x18,0x66,0x18,0x03,0x18,0x02,0x17,0x03,0x16,0x03,0x19,0x00,0x00,0x00};//两只蝴蝶unsigned char code Music_Two[]={0x17,0x03,0x16,0x03,0x17,0x01,0x16,0x03,0x17,0x03,0x16,0x03,0x15,0x01,0x10,0x03,0x15,0x03,0x16,0x02,0x16,0x0D,0x17,0x03,0x16,0x03,0x15,0x03,0x10,0x03,0x10,0x0E,0x15,0x04,0x0F,0x01,0x17,0x03,0x16,0x03,0x17,0x01,0x16,0x03,0x17,0x03,0x16,0x03,0x15,0x01,0x10,0x03,0x15,0x03,0x16,0x02,0x16,0x0D,0x17,0x03,0x16,0x03,0x15,0x03,0x10,0x03,0x15,0x03,0x16,0x01,0x17,0x03,0x16,0x03,0x17,0x01,0x16,0x03,0x17,0x03,0x16,0x03,0x15,0x01,0x10,0x03,0x15,0x03,0x16,0x02,0x16,0x0D,0x17,0x03,0x16,0x03,0x15,0x03,0x10,0x03,0x10,0x0E,0x15,0x04,0x0F,0x01,0x17,0x03,0x19,0x03,0x19,0x01,0x19,0x03,0x1A,0x03,0x19,0x03,0x17,0x01,0x16,0x03,0x16,0x03,0x16,0x02,0x16,0x0D,0x17,0x03,0x16,0x03,0x15,0x03,0x10,0x03,0x10,0x0D,0x15,0x00,0x19,0x03,0x19,0x03,0x1A,0x03,0x1F,0x03,0x1B,0x03,0x1B,0x03,0x1A,0x03,0x17,0x0D,0x16,0x03,0x16,0x03,0x16,0x0D,0x17,0x01,0x17,0x03,0x17,0x03,0x19,0x03,0x1A,0x02,0x1A,0x02,0x10,0x03,0x17,0x0D,0x16,0x03,0x16,0x01,0x17,0x03,0x19,0x03,0x19,0x03,0x17,0x03,0x19,0x02,0x1F,0x02,0x1B,0x03,0x1A,0x03,0x1A,0x0E,0x1B,0x04,0x17,0x02,0x1A,0x03,0x1A,0x03,0x1A,0x0E,0x1B,0x04,0x1A,0x03,0x19,0x03,0x17,0x03,0x16,0x03,0x17,0x0D,0x16,0x03,0x17,0x03,0x19,0x01,0x19,0x03,0x19,0x03,0x1A,0x03,0x1F,0x03,0x1B,0x03,0x1B,0x03,0x1A,0x03,0x17,0x0D,0x16,0x03,0x16,0x03,0x16,0x03,0x17,0x01,0x17,0x03,0x17,0x03,0x19,0x03,0x1A,0x02,0x1A,0x02,0x10,0x03,0x17,0x0D,0x16,0x03,0x16,0x01,0x17,0x03,0x19,0x03,0x19,0x03,0x17,0x03,0x19,0x03,0x1F,0x02,0x1B,0x03,0x1A,0x03,0x1A,0x0E,0x1B,0x04,0x17,0x02,0x1A,0x03,0x1A,0x03,0x1A,0x0E,0x1B,0x04,0x17,0x16,0x1A,0x03,0x1A,0x03,0x1A,0x0E,0x1B,0x04,0x1A,0x03,0x19,0x03,0x17,0x03,0x16,0x03,0x0F,0x02,0x10,0x03,0x15,0x00,0x00,0x00};/*************************************************************************************/ void main(){InitialSound();while(1){Play(Music_Girl,0,3,360);Delay1ms(500);Play(Music_Same,0,3,360);Delay1ms(500);Play(Music_Two,0,3,360);Delay1ms(500);}}/******************************************************************//*头文件：SOUNDPLAY.H*//*说明：此头文件来源于网络*//******************************************************************//*说明**************************************************************曲谱存贮格式unsigned char code MusicName{音高，音长，音高，音长....,0,0};末尾:0,0表示结束(Important)音高由三位数字组成：个位是表示1~7这七个音符十位是表示音符所在的音区:1-低音，2-中音，3-高音;百位表示这个音符是否要升半音:0-不升，1-升半音。

实验三-利用蜂鸣器演奏音乐一、实验目的1.了解BlueSkyC51单片机实验板中蜂鸣器的硬件电路2.学会利用蜂鸣器实现音乐的演奏3.掌握蜂鸣器实现音乐演奏的编程二、实验硬件设计及电路1. BlueSkyC51单片机实验板2.单片机最小系统3.蜂鸣器电路连接三极管主要是做驱动用的。

因为单片机的IO口驱动能力不够让蜂鸣器发出声音，所以我们通过三极管放大驱动电流，从而可以让蜂鸣器发出声音，你要是输出高电平，三极管导通，集电极电流通过蜂鸣器让蜂鸣器发出声音，当输出低电平时，三极管截止，没有电流流过蜂鸣器，所以就不会发出声音。

三、实验原理1.音调及节拍用一个口，输出方波，这个方波输入进蜂鸣器就会产生声音，通过控制方波的频率、时间，就能产生简单的音乐。

一般说来，单片机演奏音乐基本都是单音频率，因此单片机奏乐只需控制音调和节拍。

（1）音调的确定音调是由频率来确定的。

通过单片机的定时器定时中断，将单片机上对应蜂鸣器的I/O 口来回取反，从而让蜂鸣器发出不同频率的声音。

只需将定时器给以不同的定时值就可实现。

通过延时，即可发出所需要的频率。

（2）节拍的确定一拍的时长大约为400—500ms,每个音符的时长通过节拍来计算。

详细见程序代码。

2.软件设计相关（1）头文件#include<reg51.h>#define uint unsigned int#define uchar unsigned char#define ulong unsigned longsbit beep=P1^4; //蜂鸣器与P1.4口连接(2)歌曲曲谱uchar code diaodata[30]={ //音调代码0x10,0x0e,0x0c,0x10,0x0e,0x0c,0x10,0x0e,0x10,0x0c,0x10,0x15,0x13,0x10,0x13,0x15,0x15,0x13,0x15,0x13,0x10,0x0e,0x0c,0x0e,0x0e,0x10,0x0e,0x0c,0x0e,0x00};uchar code jiedata[30]={ //音长代码0x04,0x04,0x08,0x06,0x02,0x08,0x04,0x04,0x04,0x04,0x02,0x06,0x08,0x02,0x02,0x04,0x04,0x04,0x04,0x08,0x02,0x02,0x04,0x04,0x02,0x02,0x04,0x04,0x0c,0x00};(3)音阶表uchar code freq[36*2]={ //音阶码表0xf7,0xd8, //440hz , 1 //00xf8,0x50, //466hz , 1# //10xf8,0xbc, //494hz , 2 //20xf9,0x26, //524hz , 2# //30xf9,0x85, //554hz , 3 //40xf9,0xe5, //588hz , 4 //50xfa,0x3d, //622hz , 4# //60xfa,0x92, //660hz , 5 //70xfa,0xdd, //698hz , 5# //80xfb,0x29, //740hz , 6 //90xfb,0x70, //784hz , 6# //100xfb,0xb0, //830hz , 7 //110xfb,0xef, //880hz , 1 //120xfc,0x29, //932hz , 1# //130xfc,0x62, //988hz , 2 //140xfc,0x95, //1046hz, 2# //150xfc,0xc7, //1108hz, 3 //160xfc,0xf5, //1174hz, 4 //170xfd,0x20, //1244hz, 4# //180xfd,0x4c, //1318hz, 5 //190xfd,0x72, //1396hz, 5# //200xfd,0x97, //1480hz, 6 //210xfd,0xbb, //1568hz, 6# //220xfd,0xdc, //1662hz, 7 //230xfd,0xfb, //1769hz, `1 //240xfe,0x18, //1864hz, `1# //250xfe,0x34, //1976hz, `2 //260xfe,0x4e, //2092hz, `2# //270xfe,0x67, //2218hz, `3 //280xfe,0x7d, //2350hz, `4 //290xfe,0x94, //2488hz, `4# //300xfe,0xa8, //2639hz, `5 //310xfe,0xbc, //2794hz, `5# //320xfe,0xcf, //2960hz, `6 //330xfe,0xe0, //3136hz, `6# //340xfe,0xf1, //3322hz, `7 //35};(4) 音符发生程序（中断服务程序）void timer0() interrupt 1 //用于产生音符的T0中断服务程序{TH0=th0_f;TL0=tl0_f;beep=~beep; //取反beep引脚，发声}三、实验过程及问题1.Keil开发过程(1)新建“Project”，选择单片机为“AT89C52”(2)新建c文件“music.c”，并添加到工程中(3)设置生成“HEX”文件，编译(4)将生成的“HEX”文件烧录到单片机，检验(5)不断修改完善2.编译实验相关问题(1)实际发音颤音重解决方法为修改蜂鸣器的驱动频率.(2)实际节奏过快或者过慢调整延时四、C51程序代码（部分来源于网络）#include<reg51.h>#define uint unsigned int#define uchar unsigned char#define ulong unsigned longsbit beep=P1^4; //蜂鸣器与P1.4口连接uchar th0_f; //中断装载T0高8位uchar tl0_f; //T0低8位uchar code freq[36*2]={ //音阶码表0xf7,0xd8, //440hz , 1 //00xf8,0x50, //466hz , 1# //10xf8,0xbc, //494hz , 2 //20xf9,0x26, //524hz , 2# //30xf9,0x85, //554hz , 3 //40xf9,0xe5, //588hz , 4 //50xfa,0x3d, //622hz , 4# //60xfa,0x92, //660hz , 5 //70xfa,0xdd, //698hz , 5# //80xfb,0x29, //740hz , 6 //90xfb,0x70, //784hz , 6# //100xfb,0xb0, //830hz , 7 //110xfb,0xef, //880hz , 1 //120xfc,0x29, //932hz , 1# //130xfc,0x62, //988hz , 2 //140xfc,0x95, //1046hz, 2# //150xfc,0xc7, //1108hz, 3 //160xfc,0xf5, //1174hz, 4 //170xfd,0x20, //1244hz, 4# //180xfd,0x4c, //1318hz, 5 //190xfd,0x72, //1396hz, 5# //200xfd,0x97, //1480hz, 6 //210xfd,0xbb, //1568hz, 6# //220xfd,0xdc, //1662hz, 7 //230xfd,0xfb, //1769hz, `1 //240xfe,0x18, //1864hz, `1# //250xfe,0x34, //1976hz, `2 //260xfe,0x4e, //2092hz, `2# //270xfe,0x67, //2218hz, `3 //280xfe,0x7d, //2350hz, `4 //290xfe,0x94, //2488hz, `4# //300xfe,0xa8, //2639hz, `5 //310xfe,0xbc, //2794hz, `5# //320xfe,0xcf, //2960hz, `6 //330xfe,0xe0, //3136hz, `6# //340xfe,0xf1, //3322hz, `7 //35};uchar code diaodata[30]={ //音调代码0x10,0x0e,0x0c,0x10,0x0e,0x0c,0x10,0x0e,0x10,0x0c,0x10,0x15,0x13,0x10,0x13,0x15,0x15,0x13,0x15,0x13,0x10,0x0e,0x0c,0x0e,0x0e,0x10,0x0e,0x0c,0x0e,0x00};uchar code jiedata[30]={ //音长代码0x04,0x04,0x08,0x06,0x02,0x08,0x04,0x04,0x04,0x04,0x02,0x06,0x08,0x02,0x02,0x04,0x04,0x04,0x04,0x08,0x02,0x02,0x04,0x04,0x02,0x02,0x04,0x04,0x0c,0x00};void timer0() interrupt 1 //用于产生音符的T0中断服务程序{TH0=th0_f;TL0=tl0_f;beep=~beep; //取反beep引脚，发声}void main(void){uchar i,j,k=0;uint n;TMOD=0X01; //T0方式1TR0=0; //关闭T0（不发声）ET0=1; //允许T0中断EA=1; //允许总中断while(1){TR0=1; //开T0for(i=0;diaodata[i]!=0;i++){th0_f=freq[diaodata[i]*2];tl0_f=freq[diaodata[i]*2+1];for(j=0;j<20000;n++); //(jiedata*20000)TR0=0;for(n=0;n<256;n++); //音符之间的短暂延时TR0=1;}TR0=0;}}（注：可编辑下载，若有不当之处，请指正，谢谢!）。