51单片机播放音乐简谱的函数库文档格式.docx
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0-不升，1-升半音。
音长最多由三位数字组成：
个位表示音符的时值，其对应关系是：
|数值（n）:
|0|1|2|3|4|5|6|几分音符：
|1|2|4|8|16|32|64音符=2An十位表示音符的演奏效果（0-2）:
0-普通，1-连音，2-顿音百位是符点位：
0-无符点，1-有符点调用演奏子程序的格式Play（乐曲名,调号，升降八度，演奏速度）;
|乐曲名：
要播放的乐曲指针,结尾以（0,0）结束;
|调号（0-11）：
是指乐曲升多少个半音演奏;
|升降八度（1-3）：
1：
降八度，2：
不升不降，3：
升八度;
|演奏速度（1-12000）：
值越大速度越快;
*#ifndef_SOUNDPLAY_H_REVISION_FIRST_#define_SOUNDPLAY_H_REVISION_FIRST_include*#defineSYSTEM_OSC11059200/12000000/定义晶振频率12000000HZ#defineSOUND_SPACE4/5/定义普通音符演奏的长度分率,/每4分音符间隔sbitBeepIO=P2P;
/定义输出管脚unsignedintcodeFreTab12=262,277,294,311,330,349,369,392,415,440,466,494;
/原始频率表unsignedcharcodeSignTab7=0,2,4,5,7,9,11;
/17在频率表中的位置unsignedcharcodeLengthTab7=1,2,4,8,16,32,64;
unsignedcharSound_Temp_TH0,Sound_Temp_TL0;
/音符定时器初值暂存unsignedcharSound_Temp_TH1,Sound_Temp_TL1;
/音长定时器初值暂存/*voidInitialSound（void）BeepIO=1;
Sound_Temp_TH1=（65535-（1/1200）*SYSTEM_OSC）/256;
/计算TL1应装入的初值（10ms的初装值）Sound_Temp_TL1=（65535-（1/1200）*SYSTEM_OSC）%6;
/计算TH1应装入的初值TH1=Sound_Temp_TH1;
TL1=Sound_Temp_TL1;
TMOD|=0x11;
ET0=1;
ET1=0;
TR0=0;
TR1=0;
EA=1;
voidBeepTimer0（void）interrupt1/音符发生中断BeepIO=!
BeepIO;
TH0=Sound_Temp_TH0;
TL0=Sound_Temp_TL0;
/*voidPlay（unsignedchar*Sound,unsignedcharSignature,unsignedOctachord,unsignedintSpeed）unsignedintNewFreTab12;
/新的频率表unsignedchari,j;
unsignedintPoint,LDiv,LDiv0,LDiv1,LDiv2,LDiv4,CurrentFre,Temp_T,SoundLength;
unsignedcharTone,Length,SL,SH,SM,SLen,XG,FD;
for（i=0;
i11）j=j-12;
NewFreTabi=FreTabj*2;
elseNewFreTabi=FreTabj;
if（Octachord=1）NewFreTabi=2;
elseif（Octachord=3）NewFreTabi=2;
SoundLength=0;
while（SoundSoundLength!
=0x00）/计算歌曲长度SoundLength+=2;
Point=0;
Tone=SoundPoint;
Length=SoundPoint+1;
/读出第一个音符和它时时值LDiv0=12000/Speed;
/算出1分音符的长度（几个10ms）LDiv4=LDiv0/4;
/算出4分音符的长度LDiv4=LDiv4-LDiv4*SOUND_SPACE;
/普通音最长间隔标准TR0=0;
TR1=1;
while（Point=2;
/低音if（SM=3）CurrentFre=2;
/高音Temp_T=65536-（50000/CurrentFre）*10/（12000000/SYSTEM_OSC）;
/计算计数器初值Sound_Temp_TH0=Temp_T/256;
Sound_Temp_TL0=Temp_T%6;
TL0=Sound_Temp_TL0+12;
/加12是对中断延时的补偿SLen=LengthTabLength;
/算出是几分音符XG=Length/10;
/算出音符类型（0普通1连音2顿音）FD=Length/100;
LDiv=LDiv0/SLen;
/算出连音音符演奏的长度（多少个10ms）if（FD=1）LDiv=LDiv+LDiv/2;
if（XG!
=1）if（XG=0）/算出普通音符的演奏长度if（SLen0;
i-）/发规定长度的音while（TF1=0）;
TH1=Sound_Temp_TH1;
TF1=0;
if（LDiv2!
=0）TR0=0;
BeepIO=1;
for（i=LDiv2;
i0;
i-）/音符间的间隔while（TF1=0）;
Point+=2;
/*#endif以下为曲谱编码文件，自己可以根据规则，对照简谱编写曲谱编码表，我已经做好了一个应用程序，只需将简谱输入进去，就可以直接输岀曲谱编码表，省去人工编码的痛苦。
此软件作为共享软件发布，在下面的可以下载。
此东东绝对是搞电子设计在校大学生泡MM的巨佳手段，呵呵。
/挥着翅膀的女孩unsignedcharcodeMusic_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,Ox仆,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;
II同一首歌unsignedcharcodeM
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