單片機按鍵音樂隨機播放程序

ID:292103 · 發(fā)表于 2018-8-20 12:31

按鍵音樂隨機播放

單片機源程序如下:

#include <reg52.h>
sbit buzzer = P2^5; // 聲明輸出端
unsigned char keys,i; // 聲明按鈕及播放譜變量
unsigned char tone_H, tone_L; // 聲明計時量變量
#define uint unsigned int
#define uchar unsigned char
uchar timeh,timel;//用于存放定時器的高8
void beat_125(unsigned char); // 聲明節(jié)拍函數(shù)
void play6(void);
sbit key=P3^4;
uchar code zbjbxf[]=
{
0x64,0xA3,0xC1,0xA2,0x62,0x84,0x61,0x81,0x61,0xA4,
0xA1,0x91,0xA1,0x81,0x64,0xA3,0xC1,0xD2,0xD2,0xD2,
0xA2,0xC4,0xA1,0xC1,0xA1,0xC1,0xD2,0xD2,0xD2,0xA2,
0x25,0xC2,0x62,0xC2,0x62,0xA2,0xA2,0x84,0x94,0x94,
0x92,0x81,0x91, 0xA2,0xC2,0xD4,0xE4,0xA4,0xE4,0xA2,
0xE2,0xA2,0xE2,0xA2, 0xA2,0x84,0x94,0x94,0x92,0x81,
0x91,0xA2,0xC2,0xD8
};
uchar code chuzhi[]=
{
0xff,0xff,0xFC,0x8E,0xFC, 0xED,0xFD,0x43,0xFD,0x6A,
0xFD,0xB3,0xFD,0xF3,0xFE,0x2D,0xFE, 0x47,0xFE,0x76,
0xFE,0xA1,0xFE,0xC7,0xFE,0xD9,0xFE,0xF9,0xFF,0x16
};
void delay(uint z)
{ uint y;
for(z;z>0;z--)
for(y=19000;y>0;y--);
}
void delay1(uint z)
{ uint y;
for(z;z>0;z--)
for(y=112;y>0;y--);
}
unsigned char code song1[]={ 1, 1, 2, 1, 4, 3, 1, 1, 2, 1, 5, 4,
1, 1, 8, 6, 4, 3, 2, 11, 11, 6, 4, 5, 4, 15 };
unsigned char code beat1[]={ 4, 4, 8, 8, 8, 16, 4, 4, 8, 8, 8, 16,
4, 4, 8, 8, 8, 8, 8, 4, 4, 8, 8, 8, 16 };
unsigned char code song2[]={ 1, 1, 1, 3, 2, 1, 3, 3, 3, 5, 4, 3, 5, 4, 3, 2,
2, 1, 0, 1, 2, 3, 4, 3, 2, 3, 4, 5, 5, 4, 3, 2, 1, 15};
unsigned char code beat2[]={ 4, 4, 4, 6, 2, 4, 4, 4, 4, 6, 2, 4, 4, 4, 4, 12 ,
8, 2, 2, 4, 4, 4, 8, 2, 2, 4, 4, 4, 2, 2, 4, 4, 12 };
unsigned char code song3[]={ 8, 7, 6, 5, 5, 6, 8, 5, 6, 5, 3, 2, 5, 3, 12,
8, 7, 6, 5, 5, 6, 8, 5, 6, 5, 3, 2, 5, 1, 12,
2, 3, 2, 5, 6, 5, 6, 8, 9, 8, 7, 6, 9, 5, 12,
6, 8, 5, 6, 3, 5, 6, 5, 3, 2, 3, 5, 3, 2, 1, 0, 15 };
unsigned char code beat3[]={ 8, 4, 4, 8, 8, 8, 8, 16, 8, 4, 4, 8, 8, 24, 8,
8, 4, 4, 8, 8, 8, 8, 16, 8, 4, 4, 8, 8, 24, 8,
8, 4, 4, 16, 8, 4, 4, 16, 8, 4, 4, 8, 8, 24, 8,
8, 8, 8, 8, 8, 4, 4, 8, 8, 8, 4, 4, 8, 8, 32 };
unsigned char code song4[]={ 2, 2, 3, 5, 6, 5, 6, 7, 9, 7, 7, 6, 5, 6,
7, 9, 9, 7, 9, 5, 6, 6, 2, 7, 7, 6, 5, 5,
6, 6, 7, 6, 5, 3, 2, 3, 5, 3, 5, 6, 7, 9,
9, 9, 10, 9, 7, 7, 6, 5, 3, 2, 7, 7, 6, 5, 5, 15};
unsigned char code beat4[]={ 12, 4, 8, 8, 8, 4, 4, 16, 12, 4, 4, 4, 8, 32,
12, 4, 8, 4, 4, 12, 4, 16, 12, 4, 8, 4, 4, 32,
12, 4, 8, 4, 4, 8, 4, 4, 16, 12, 8, 8, 8, 32,
12, 4, 8, 4, 4, 8, 4, 4, 16, 12, 4, 8, 4, 4, 32 };
unsigned char code song5[]={ 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 };
unsigned int code tone[]={ 1012, 956, 852, 759, 716, 638, 568, 506, 478, 426, 379,531, 10 };//音階定義
void play1(void); // 聲明play1函數(shù)
void play2(void); // 聲明play2函數(shù)
void play3(void); // 聲明play3函數(shù)
void play4(void);
void play5(void); // 聲明play5函數(shù)
void beat_125(unsigned char); // 聲明節(jié)拍函數(shù)
//================================================
//==第一首歌=================================
void play1(void)
{ i=0;
while(song1[i]!=15) // while循環(huán)開始
{ tone_H=(65536-tone[song1[i]])/256;// 讀取音階計數(shù)量之高八位元
tone_L=(65536-tone[song1[i]])%256;// 讀取音階計數(shù)量之低八位元
TH0=tone_H; // 填入音階計數(shù)量之高八位元
TL0=tone_L; // 填入音階計數(shù)量之低八位元
TR0=1; // 啟動TImer 0
beat_125(beat1[i]); // 指定節(jié)拍
i++; // 下一個音
TR0=0; // 關(guān)閉TImer 0
} // 結(jié)束播放
}
//==第二首歌=================================
void play2(void)
{ i=0;
while(song2[i]!=15) // while循環(huán)開始
{ tone_H=(65536-tone[song2[i]])/256;// 讀取音階計數(shù)量之高八位元
tone_L=(65536-tone[song2[i]])%256;// 讀取音階計數(shù)量之低八位元
TH0=tone_H; // 填入音階計數(shù)量之高八位元
TL0=tone_L; // 填入音階計數(shù)量之低八位元
TR0=1; // 啟動TImer 0
beat_125(beat2[i]); // 指定節(jié)拍
i++; // 下一個音
TR0=0; // 關(guān)閉Timer 0
}
} // 結(jié)束播放
//==第三首歌=================================
void play3(void)
{ i=0;
while(song3[i]!=15) // while循環(huán)開始
{ tone_H=(65536-tone[song3[i]])/256;// 讀取音階計數(shù)量之高八位元
tone_L=(65536-tone[song3[i]])%256;// 讀取音階計數(shù)量之低八位元
TH0=tone_H; // 填入音階計數(shù)量之高八位元
TL0=tone_L; // 填入音階計數(shù)量之低八位元
TR0=1; // 啟動Timer 0
beat_125(beat3[i]); // 指定節(jié)拍
i++; // 下一個音
TR0=0; // 關(guān)閉Timer 0
}
} // 結(jié)束播放
//==第四首歌=================================
void play4(void)
{ i=0;
while(song4[i]!=15) // while循環(huán)開始
{ tone_H=(65536-tone[song4[i]])/256;// 讀取音階計數(shù)量之高八位元
tone_L=(65536-tone[song4[i]])%256;// 讀取音階計數(shù)量之低八位元
TH0=tone_H; // 填入音階計數(shù)量之高八位元
TL0=tone_L; // 填入音階計數(shù)量之低八位元
TR0=1; // 啟動Timer 0
beat_125(beat4[i]); // 指定節(jié)拍
i++; // 下一個音
TR0=0; // 關(guān)閉Timer 0
}
} // 結(jié)束播放
void play5(void)
{ i=0;
while(song5[i]!=15) // while循環(huán)開始
{ tone_H=(65536-tone[song5[i]])/256;// 讀取音階計數(shù)量之高八位元
tone_L=(65536-tone[song5[i]])%256;// 讀取音階計數(shù)量之低八位元
TH0=tone_H; // 填入音階計數(shù)量之高八位元
TL0=tone_L; // 填入音階計數(shù)量之低八位元
TR0=1; // 啟動Timer 0
beat_125(beat4[i]); // 指定節(jié)拍
i++; // 下一個音
TR0=0; // 關(guān)閉Timer 0
}
}
void play6()
{
uint temp; //存放簡譜數(shù)組中的每一個音符的臨時變量
uchar jp; //jp 用于取出temp
uchar i=0;
while(1)
{
temp=zbjbxf[i];
if(temp==0xff) break;
jp=temp/16;
if(jp!=0)
{
tone_H=chuzhi[jp*2];
tone_L=chuzhi[jp*2+1];
TR0=1;//開定時器
}
else {TR0=0;buzzer=1;}
delay(temp%16);TR0=0;buzzer=1; delay1(5); TR0=1;i++;//關(guān)定時器
}
TR0=0;//關(guān)定時器
buzzer=1; //關(guān)蜂鳴器
}
//====Timer 0中斷子程序==================
void tone_timer(void) interrupt 1 // Timer 0中斷子程序開始
{ TH0=tone_H; // 填入計時量之高八位元
TL0=tone_L; // 填入計時量之低八位元
buzzer=~buzzer; // 蜂　器反相輸出
} // 結(jié)束中斷子程序
//====節(jié)拍函數(shù)==================
void beat_125(unsigned char x) // 節(jié)拍函數(shù)開始
{ unsigned char i,j,k; // 聲明變量
for (i=0;i<x;i++) // i循環(huán)
for (j=0;j<125;j++) // j循環(huán)
for (k=0;k<120;k++);// k循環(huán)
} // 結(jié)束節(jié)拍函數(shù)
void delay3(unsigned int x)
{
unsigned int i;
while(x--)
{
for(i=0;i<113;i++);
}
}
void suiji()
{
uint num;
num=rand();
if(key==0)
{delay(1);if(key==0)
{ switch (num%10){
case 0x01 : delay3(800);play1();break; // 按下S1，播放第一首歌
case 0x02 : delay3(800);play2(); break; // 按下S2，播放第二首歌
case 0x03 : delay3(800);play3(); break; // 按下S3，播放第三首歌
case 0x04 : delay3(800);play4(); break; // 按下S4，播放第四首歌
case 0x05: delay3(800);play5(); break; //
case 0x06: delay3(800);play6();break;
case 0x07: delay3(800);play1();break;
case 0x08: delay3(800);play3();break;
case 0x09: delay3(800);play2();break;
case 0x00: delay3(800);play6();break;
}
}
}
}
main()
{
TMOD=0x01; // 設(shè)定MODE1
//buzzer=1; // 蜂　器初始值
IE=0x82; // 啟用TImer 0
while (1) // while循環(huán)
{ suiji();
// P3=0xff; // 將Port2規(guī)劃為輸入埠
//keys=~P2; // 讀取按鈕
// switch (keys) // 判讀
// { case 0x01: play1(); break; // 按下S1，播放第一首歌
// case 0x02: play2(); break; // 按下S2，播放第二首歌
// case 0x04: play3(); break; // 按下S3，播放第三首歌
// case 0x08: play4(); break; // 按下S4，播放第四首歌
// case 0x12: play5(); break; //
// case 0x10: play6(); break;
// } buzzer=1; // 蜂　器不動作
} // while循環(huán)結(jié)束
} // 主程序結(jié)束