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/****************************
表白神器音樂盒
****************************
晶振值33.1776MHz
功能簡介：K16控制暫停與繼續
K4 上一曲
K12下一曲
數碼管顯示當前歌曲序號
****************************
歌曲分別是：
紙短情長
兩只老虎
祝你生日快樂歌
小星星
****************************/
#include <stc12c5a60s2.h>
#define Xtal 33177600 //賦晶振值
#define All 4 //歌曲總數
sbit BUZZ = P1^3; //蜂鳴器控制引腳
sbit KEY = P2^4; //按鍵定義
sbit KEY4 = P2^7;
sbit KEY12 = P2^5;
sbit ADDR0 = P2^0; //數碼管顯示控制
sbit ADDR1 = P2^1;
sbit ADDR2 = P2^2;
sbit ENLED = P1^1; //總線收發器
bit KeySta = 1; //當前按鍵狀態
bit KeySta4 = 1;
bit KeySta12 = 1;
bit backup = 1; //默認彈起時時一
bit backup4 = 1;
bit backup12 = 1;
bit cntkey = 0; //判斷暫停還是播放
bit breakflage = 0;//用按鍵改變歌曲標志
unsigned char keybuf = 0xFF;
unsigned char keybuf4 = 0xFF;
unsigned char keybuf12 = 0xFF;
unsigned char Num = 1; //第幾首歌
unsigned char sizeofNote;//節拍的多少
extern void Delay_ms(unsigned int ms);//延時函數
void PlayControl(unsigned char Num);//歌曲選擇函數
void Play();//演奏函數
unsigned char code LedChar[] = {0xC0, 0xF9, 0xA4, 0xB0, 0x99, 0x92, 0x82, 0xF8,0x80, 0x90, 0x88, 0x83, 0xC6, 0xA1, 0x86, 0x8E};//數碼管顯示字符轉換表
unsigned int code NoteFrequ[] = { //中音1-7低音1-7和高音1-7對應頻率列表
523, 587, 659, 698, 784, 880, 988, //中音1-7
1047, 1175, 1319, 1397, 1568, 1760, 1976, //高音1-7
262, 294, 330, 349, 392, 440, 494,300//低音1-7 最后一個純屬湊數
};
unsigned int code NoteReload[] = { //中音1-7和高音1-7對應的定時器重載值
65536 - (Xtal/12) / (523*2), //中音1
65536 - (Xtal/12) / (587*2), //2
65536 - (Xtal/12) / (659*2), //3
65536 - (Xtal/12) / (698*2), //4
65536 - (Xtal/12) / (784*2), //5
65536 - (Xtal/12) / (880*2), //6
65536 - (Xtal/12) / (988*2), //7
65536 - (Xtal/12) / (1047*2), //高音1
65536 - (Xtal/12) / (1175*2), //2
65536 - (Xtal/12) / (1319*2), //3
65536 - (Xtal/12) / (1397*2), //4
65536 - (Xtal/12) / (1568*2), //5
65536 - (Xtal/12) / (1760*2), //6
65536 - (Xtal/12) / (1976*2), //7
65536 - (Xtal/12) / (262*2), //低音1
65536 - (Xtal/12) / (294*2), //2
65536 - (Xtal/12) / (330*2), //3
65536 - (Xtal/12) / (349*2), //4
65536 - (Xtal/12) / (392*2), //5
65536 - (Xtal/12) / (440*2), //6
65536 - (Xtal/12) / (494*2), //7
65536 - (Xtal/12) / (300*2), //純屬湊數
};
unsigned char *SongNote, *SongBeat;//指針
unsigned char code XiaoXingXingNote[] = { //小星星
1, 1, 5, 5, 6, 6, 5, 4, 4, 3, 3, 2, 2, 1,
5, 5, 4, 4, 3, 3, 2, 5, 5, 4, 4, 3, 3, 2 ,
1, 1, 5, 5, 6, 6, 5, 4, 4, 3, 3, 2, 2, 1, 0xff };
unsigned char code XiaoXingXingBeat[] = {
4, 4, 4, 4, 4, 4, 8, 4, 4, 4, 4, 4, 4, 8,
4, 4, 4, 4, 4, 4, 8, 4, 4, 4, 4, 4, 4, 8,
4, 4, 4, 4, 4, 4, 8, 4, 4, 4, 4, 4, 4, 8,};
unsigned char code TwoTigerNote[] = { //兩只老虎音符表
1, 2, 3, 1, 1, 2, 3, 1, 3, 4, 5, 3, 4, 5,
5,6, 5,4, 3, 1, 5,6, 5,4, 3, 1, 1, 5, 1, 1, 5, 1,0xff};
unsigned char code TwoTigerBeat[] = { //兩只老虎節拍表，4表示一拍，1就是1/4拍，8就是2拍
4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 8, 4, 4, 8,
3,1, 3,1, 4, 4, 3,1, 3,1, 4, 4, 4, 4, 8, 4, 4, 8,
};
unsigned char code HappybirthdayNote[] = { //生日快樂歌
5, 5, 6, 5, 8, 7, 22, 5, 5, 6, 5, 9, 8, 5, 5, 12, 10, 8, 7, 6, 11, 11, 10, 8, 9, 8,0xff };
unsigned char code HappybirthdayBeat[] = {
2, 2, 4, 4, 4, 4, 4, 2, 2, 4, 4, 4, 8, 2, 2, 4, 4, 4, 4, 8, 2, 2, 4, 4, 4, 8};
unsigned char code ZhiduanqingchangNote[] = { //紙短情長
//8, 9, 10, 9, 8, 6, 22, 11, 10, 9, 22, 7, 8, 9, 7, 7, 5, 22, 7, 9, 8, 8, 3, 4, 2, 3, 1, 1, 5, 2, //前奏
19, 3, 3, 3, 2, 3, 1, 2, 2, 2, 1, 2, 5, 1, 1, 1, 20, 1, 20, 19, 2, 2, 2, 3, 20, 19, 4, 4, 4, 3, 4, 1, 2, 2, 2, 1, 2, 5,
1, 1, 1, 20, 1, 20, 3, 2, 2, 1, 1, 22, 22, 22, 1, 1, 2, 3, 3, 3, 22, 3, 2, 1, 21, 6, 5, 22, 5, 6, 7, 8, 3, 3, 22, 8, 7, 8,
7, 3, 5, 5, 6, 8, 5, 6, 22, 6, 5, 4,5, 3, 2, 1, 20, 1, 3, 2, 2, 1, 2, 5, 1, 2, 5, 22, 22, 22, 1, 1, 2,
3, 3, 2, 3, 22, 3, 2, 1, 5, 5, 3, 5, 22, 5, 6, 7, 8, 8, 8, 8, 8, 7, 6, 7, 6, 3, 5, 5, 5, 6, 8, 5, 6, 22, 6, 5, 4,
5, 3, 2, 1, 6, 1, 3, 2, 2, 1, 2, 1, 20, 1, 22, 22, 20, 1, 3, 2, 2, 22, 2, 1, 2, 1, 1, 22, 20, 1, 1, 0xff};
unsigned char code ZhiduanqingchangBeat[] = {
//2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 8, 4, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 8, 8, 12, 4, 5, 4, 8, 8, 4, //前奏
8, 2, 2, 2, 2, 2, 5, 2, 2, 2, 2, 2, 5, 2, 2, 2, 2, 2, 4, 2, 2, 2, 2, 2, 2, 4, 2, 2, 2, 2, 4, 5, 2, 2, 2, 2, 2, 5,
2, 2, 2, 2, 2, 5, 2, 2, 2, 2, 8, 4, 4, 2, 2, 2, 2, 4, 2, 2, 2, 2, 2, 2, 4, 2, 2, 2, 2, 2, 2, 4, 2, 2, 2, 2, 2, 2,
4, 2, 5, 2, 2, 2, 4, 2, 2, 2, 2, 2, 2, 4, 2, 5, 1, 1, 2, 2, 2, 2, 2, 4, 2, 16, 16,4, 4, 2, 2, 2, 2,
2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 4, 2, 4, 2, 2, 2, 4, 2, 2, 2, 2, 2,
2, 4, 2, 5, 1, 1, 2, 2, 2, 2, 2, 4, 1, 12, 4, 2, 1, 1, 2, 2, 8, 2, 1, 1, 2, 2, 8, 2, 2, 12, 16};
bit enable = 1; //蜂鳴器發聲使能標志
bit tmrflag = 0; //定時器中斷完成標志
unsigned char T0RH = 0xFF; //T0重載值的高字節
unsigned char T0RL = 0x00; //T0重載值的低字節
void main()
{
EA = 1; //使能全局中斷
TMOD = 0x11; //配置T0，T1工作在模式1
TH0 = T0RH;
TL0 = T0RL;
ET0 = 1; //使能T0中斷
ET1 = 1; //使能T1中斷
TR1 = 1; //啟動T1
ENLED = 0x00; //使能總線收發器
ADDR2=1; ADDR1=0; ADDR0=1;//選擇最右邊的數碼管
P23 = 0; //啟用KEY
while (1)
{
P0 = LedChar[Num]; //數碼管顯示當前歌曲序號
PlayControl(Num);
if(breakflage == 1)
breakflage = 0;
else
Delay_ms(500);
}
}
void PlayControl(unsigned char Num)
{
switch(Num)
{
case 4:SongNote = XiaoXingXingNote; SongBeat = XiaoXingXingBeat; sizeofNote = sizeof(XiaoXingXingNote); Play();break;
case 2:SongNote = TwoTigerNote; SongBeat =TwoTigerBeat; sizeofNote = sizeof(TwoTigerNote); Play();break;
case 3:SongNote = HappybirthdayNote; SongBeat =HappybirthdayBeat; sizeofNote = sizeof(HappybirthdayNote); Play();break;
case 1:SongNote = ZhiduanqingchangNote;SongBeat =ZhiduanqingchangBeat;sizeofNote = sizeof(ZhiduanqingchangNote);Play();break;
default:break;
}
}
/* 演奏函數 */
void Play()//演奏函數
{
unsigned char beat; //當前節拍索引
unsigned char note; //當前節拍對應的音符
unsigned int time = 0; //當前節拍計時
unsigned int beatTime = 0; //當前節拍總時間
unsigned int soundTime = 0; //當前節拍需發聲時間
for (beat=0; beat<sizeofNote; ) //用節拍索引作為循環變量
{
if(breakflage == 1)
break;
while (!tmrflag); //每次定時器中斷完成后，檢測并處理節拍
tmrflag = 0;
if (time == 0) //當前節拍播完則啟動一個新節拍
{
if(breakflage == 1)
break;
note = SongNote[beat] - 1;
if(note == 0xfe)
{
if(Num == All)
Num = 1;
else
Num++;
break;
}
T0RH = NoteReload[note] >> 8;
T0RL = NoteReload[note];
beatTime = (SongBeat[beat] * NoteFrequ[note]) >> 2;//計算節拍總時間，右移2位相當于除4，移位代替除法可以加快執行速度
soundTime = beatTime - (beatTime >> 2);//計算發聲時間，
enable = 1; //指示蜂鳴器開始發聲
if (note == 21)//簡譜的0 等待
enable =0;
time++;
}
else //當前節拍未播完則處理當前節拍
{
if (time >= beatTime) //當前持續時間到達節拍總時間時歸零，
{ //并遞增節拍索引，以準備啟動新節拍
time = 0;
beat++;
}
else //當前持續時間未達到總時間時，
{
time++; //累加時間計數
if (time == soundTime) //到達發聲時間后，指示關閉蜂鳴器，
{ //插入0.25*總時間的靜音間隔，
enable = 0; //用以區分連續的兩個節拍
}
}
}
}
}
/*控制蜂鳴器發聲 */
void InterruptTimer0() interrupt 1
{
TH0 = T0RH; //重新加載重載值
TL0 = T0RL;
tmrflag = 1;
if (enable) //使能時反轉蜂鳴器控制電平
BUZZ = ~BUZZ;
else //未使能時關閉蜂鳴器
BUZZ = 1;
}
/*按鍵掃描*/
void InterruptTimer1() interrupt 3 //按鍵部分參看之前的帖子帶有計次功能的秒表
{
TH1 = 0xC9;
TL1 = 0xEA;
keybuf = (keybuf<<1) | KEY;
if (keybuf == 0x00)
KeySta = 0;
else if (keybuf == 0xFF)
KeySta = 1;
else{}
keybuf4 = (keybuf4<<1) | KEY4;
if (keybuf4 == 0x00)
KeySta4 = 0;
else if (keybuf4 == 0xFF)
KeySta4 = 1;
else{}
keybuf12= (keybuf12<<1) | KEY12;
if (keybuf12 == 0x00)
KeySta12 = 0;
else if (keybuf12 == 0xFF)
KeySta12 = 1;
else{}
if (KeySta != backup)
{
if (backup == 0)
{
cntkey=~cntkey;
TR0 = cntkey;
}
backup = KeySta;
}
if (KeySta4 != backup4)
{
if(backup4 ==0)
{
breakflage = 1;
if(Num <All)
Num++;
else if(Num == All)
Num =1;
P0 = LedChar[Num];
}
backup4 = KeySta4;
}
if (KeySta12 != backup12)
{
if(backup12 ==0)
{
breakflage = 1;
if(Num >1)
Num--;
else if(Num == 1)
Num =All;
P0 = LedChar[Num];
}
backup12 = KeySta12;
}
}

復制代碼

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