用蜂鸣器实现播放音乐（根据网上找到的程序修改的，非原创。注意晶振11.0592） -

#include "init.h" //初始化库函数
#include "lcd.h"
sbit speaker=P1^3;//蜂鸣器
sbit key_next=P3^6; //下一首
sbit key_last=P3^5; //上一首
sbit key_pause=P3^7; //暂停/播放
uchar a,b;
uchar number=0; //记录播放哪一首歌的标志位
uchar pause=0; //暂停/播放标志位
uchar code yinfu[]={0xfb,0xe9, //Do
0xfc,0x5c, //Re
0xfc,0xc1, //Mi
0xfc,0xef, //Fa
0xfd,0x45, //So
0xfd,0x92, //La
0xfd,0xd0, //Si
0xfd,0xee, //Do#
0x00,0x00, //间隔
};
uchar code shengri_tone[]={1,0,1,2,1,4,3,0, //生日快乐音调
1,0,1,2,1,5,4,0,
1,0,1,8,6,4,3,2,0,7,0,7,6,4,5,4,0 //0代表不发声，即停顿；数字即为音调
};
uchar code shengri_beat[]={24,1,24,48,48,48,72,5,//节拍
24,1,24,48,48,48,72,5,
24,1,24,48,48,48,48,72,5,24,1,24,48,48,48,72,5 //节拍，即tone表各音调的延时
};
uchar code laohu_tone[]={1,2,3,1,0,1,2, //两只老虎乐谱 40个音符
3,1,0,3,4,5,0,3,4,5,0,5,6,5,4,3,
1,0,5,6,5,4,3,1,0,3,2,1,0,3,2,1,0
};
uchar code laohu_beat[]={24,24,24,48,5,24,24,//节拍
24,48,5,24,24,48,5,24,24,72,5,24,24,24,24,//节拍
24,48,5,24,24,24,24,24,72, 5,24,24,48,5,24,24,//节拍
72,5//节拍 //节拍，即tone表各音调挠
};
uchar code yishan_tone[]={1,1,5,5,6,6,5, //星星乐谱 54个音符
0,4,4,3,3,2,2,1,0,5,5,4,4,3,
3,2,0,5,5,4,4,3,3,2,0,1,1,5,5,
6,6,5,0,4,4,3,3,2,2,1,0
};
uchar code yishan_beat[]={24,24,24,24,24,24,48,//节拍
5,24,24,24,24,24,24,72,5,24,24,24,24,24,24,//节拍
48,5,24,24,24,24,24,24,72,5,24,24,24,24,24,24,//节拍
48,5,24,24,24,24,24,24,72,5//节模tone敢舻鞯难邮?
};
uchar code yinlv[][2]={
{0,1},{1,1},{3,1},{5,1},{6,1},{8,1},{10,1},{12,1},{13,1},//演示超低音八度 123457671
{0,1},{13,1},{15,1},{17,1},{18,1},{20,1},{22,1},{24,1},{25,1},//演示低音八度12345671
{0,1},{25,1},{27,1},{29,1},{30,1},{32,1},{34,1},{36,1},{37,1},//演示中音八度12345671
{0,1},{37,1},{39,1},{41,1},{42,1},{44,1},{46,1},{48,2},//演示高音八度 1234567
};
//青花瓷
uchar code qing_tone[49][2]={{0,0},//定义音律49个二维数组
{0xF9,0x1F},{0xF9,0x82},{0xF9,0xDF},{0xFA,0x37},{0xFA,0x8A},{0xFA,0xD8},{0xFB,0x23},{0xFB,0x68},{0xFB,0xAA},{0xFB,0xE9},{0xFC,0x24},{0xFC,0x5B},
{0xFC,0x8F},{0xFC,0xC1},{0xFC,0xEF},{0xFD,0x1B},{0xFD,0x45},{0xFD,0x6C},{0xFD,0x91},{0xFD,0xB4},{0xFD,0xD5},{0xFD,0xF4},{0xFE,0x12},{0xFE,0x2D},
{0xFE,0x48},{0xFE,0x60},{0xFE,0x78},{0xFE,0x86},{0xFE,0xA3},{0xFE,0xB6},{0xFE,0xC9},{0xFE,0xDA},{0xFF,0xEB},{0xFE,0xFA},{0xFF,0x09},{0xFF,0x17},
{0xFF,0x24},{0xFF,0x30},{0xFF,0x3C},{0xFF,0x47},{0xFF,0x51},{0xFF,0x5B},{0xFF,0x64},{0xFF,0x6D},{0xFF,0x75},{0xFF,0x7D},{0xFF,0x84},{0xFF,0x8B}
};
uchar code qing_beat[][2]={//定义曲谱数组，前数为音律，后数为音符节拍，要换歌改变简谱对应的音律号即可
{24,4},{24,4},{21,4},{19,4},{21,4},{14,8},{19,4},{21,4},{24,4},{21,4},{19,16},//记录菊花台简谱歌词：0553236 23532 天青色等烟雨而我在等你
{24,4},{24,4},{21,4},{19,4},{21,4},{12,8},{19,4},{21,4},{24,4},{19,4},{17,16},//简谱歌词：0553235 23521 炊烟袅袅升起隔江千万里
{17,4},{19,4},{21,4},{24,4},{26,4},{24,4},{22,4},{24,4},{21,4},{21,4},{19,4},{19,16},//简谱歌词：01235654 53322 在平地书刻你房间上的飘影
{17,4},{19,4},{17,4},{17,4},{19,4},{17,4},{19,4},{19,4},{21,8},{24,4},{21,4},{21,12},//简谱歌词：就当我为遇见你伏笔
{24,4},{24,4},{21,4},{19,4},{21,4},{14,8},{19,4},{21,4},{24,4},{21,4},{19,16}, //简谱歌词：0553236 23532 天青色等烟雨而我在等你
{24,4},{24,4},{21,4},{19,4},{21,4},{12,8},{19,4},{21,4},{24,4},{19,4},{17,16}, //简谱歌词：0553235 23521 月色被打捞起掩盖了结局
{17,4},{19,4},{21,4},{24,4},{26,4},{24,4},{22,4},{24,4},{21,4},{21,4},{19,4},{19,12},//简谱歌词：0123 5654 5332 25 322 11 如传世的青花瓷在独自美丽
{12,4},{21,8},{19,8},{19,4},{17,20}, //简谱歌词：你眼带笑意
{0xFF,0xFF}}; //歌曲结尾标识
//两只蝴蝶
uchar code hudie_tone[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}
};
uchar code hudie_beat[][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},{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},{31,8},{30,4},{28,4},
{30,4},{23,8},{28,4},{28,4},{30,4},{28,4},{26,4},{23,4},{21,8},
{23,4},{21,4},{23,4},{26,16},
{0xFF,0xFF}};
//函数声明
void play(void); //音乐播放控制函数
void key(); //判断按键函数
void stop(); //暂停/播放函数
void display(); //液晶显示函数
void delay(uchar p); //歌曲延时函数
void pause1(); //歌曲演示函数
void main()
{
TMOD=0x01;
TH0=a;
TL0=b;
ET0=1;//打开定时器，但是未允许中断
TR0=1;
number = 4; //首先播放青花瓷
LcdInit();
while(1)
{
play();
}
}
void key()
{
if(key_next==0)
{
delay_ms(10);
if(key_next==0)
{
number++;
if(number>6)
{
number=1; //如果number>6，表示最后一首歌，返回第一首歌播放
}
}
while(!key_next);
}
if(key_last==0)
{
delay_ms(10);
if(key_last==0)
{
number--;
if(number<1)
{ //如果number<1，表示第一首歌，返回最后一首歌播放
number=6;
}
}
while(!key_last);
}
if(key_pause==0)
{ //暂停、播放
delay_ms(10);
if(key_pause==0)
{
if(pause==1)
{
pause=0;
}
else
{
pause=1;
}
}
while(!key_pause);
}
}
void stop()
{
key();
if(pause==1)
{
speaker=0;
EA=0; //赞同是断开定时器中断
while(1)
{
key();
ShowString (0x01,"By:------ pause");
if(pause==0)
{
ShowString (0x01,"By:------ ");
EA=1;
break;
}
}
}
}
void play(void)
{
uchar m=0;
char s;
uchar flag=1;
uchar c=1;
if(number==1)
{
display(); //显示歌名
while(flag)
{
EA=0;
c=shengri_tone[m]; //取音符
s=shengri_beat[m]; //取节拍
a=yinfu[2*c-2];
b=yinfu[2*c-1];
EA=1;
while(s--)
{
delay1();
stop();
if(number!=1)
{
s=0;
flag=0;
break;
}
}
P2=b;
m++;
if(m>=33){
number=2;
flag=0;
}
}
}
else if(number==2)
{
display();
while(flag)
{
EA=0;
c=laohu_tone[m]; //取音符
s=laohu_beat[m]; //取节拍
a=yinfu[2*c-2];
b=yinfu[2*c-1];
EA=1;
while(s--)
{
delay1();
stop();
if(number!=2)
{
s=0;
flag=0;
break;
}
}
P2=b;
m++;
if(m>=40){
number=3;
flag=0;
}
}
}
else if(number==3)
{
display();
while(flag){
EA=0;
c=yishan_tone[m]; //取音符
s=yishan_beat[m]; //取节拍
a=yinfu[2*c-2];
b=yinfu[2*c-1];
EA=1;
while(s--)
{
delay1();
stop();
if(number!=3)
{
s=0;
flag=0;
break;
}
}
P2=b;
m++;
if(m>=48){
number=4;
flag=0;
}
}
}
else if(number==4)
{ //下面这两首歌与前面的播放方式一样，因为我是在网上搜集整合的
display();
while(flag)
{
EA=0;
c=qing_beat[m][0]; //取音符
s=qing_beat[m][1]; //取节拍
a=qing_tone[c][0];
b=qing_tone[c][1];
EA=1;
if(number!=4)
{
c=0;
s=0;
flag=0;
break;
}
if(c==0xFF)
{
number=5;
flag=0;
break;
}
else if(c==qing_beat[m+1][0])
{
TR0=1;
delay(s);
TR0=0;
pause1();
m++;
}
else
{
TR0=1;
delay(s);
m++;
}
P2=b;
}
}
else if(number==5)
{
display();
while(flag){
EA=0;
c=hudie_beat[m][0]; //取音符
s=hudie_beat[m][1]; //取节拍
a=hudie_tone[c][0];
b=hudie_tone[c][1];
EA=1;
if(number!=5)
{
s=0;
flag=0;
break;
}
if(c==0xFF)
{
number=6;
flag=0;
break;
}
else if(c==hudie_beat[m+1][0])
{
TR0=1;
delay(s);
TR0=0;
pause1();
m++;
}
else
{
TR0=1;
delay(s);
m++;
}
P2=b;
}
}
else if(number==6)
{ //播放低音，高音的音乐
display();
while(flag)
{
EA=0;
c=yinlv[m][0]; //取音符
s=yinlv[m][1]; //取节拍
a=qing_tone[c][0];
b=qing_tone[c][1];
EA=1;
TR0=1;
delay(s);
m++;
if(number!=6)
{
s=0;
flag=0;
break;
}
if(m>=36)
……………………
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