51单片机播放音乐.docx

1、51单片机播放音乐51单片机播放音乐以下为51单片机播放音乐简谱的函数库：/* SOUND PLAY FOR 51MCU COPYRIGHT (c) 2005 BY JJJ. - ALL RIGHTS RESERVED - File Name: SoundPlay.h Author: Jiang Jian Jun Created: 2005/5/16 Modified:NO Revision: 1.0 */*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

2、17 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。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=2n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

3、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 /*#define SYSTEM_OSC 11059200/12000000/定义晶振频率12000000HZ#define SOUND_SPACE 4/5 /定义普通音符演奏的长度分率,/每4分音符间隔sbit BeepIO = P26;/定义输出管脚unsigned int code FreTab12 = 262,27

4、7,294,311,330,349,369,392,415,440,466,494 ; /原始频率表unsigned char code SignTab7 = 0,2,4,5,7,9,11 ; /17在频率表中的位置unsigned char code LengthTab7= 1,2,4,8,16,32,64 ;unsigned char Sound_Temp_TH0,Sound_Temp_TL0;/音符定时器初值暂存 unsigned char Sound_Temp_TH1,Sound_Temp_TL1;/音长定时器初值暂存/*void InitialSound(void)BeepIO =

5、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)%256;/ 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;void BeepTimer0(void) interrupt 1/音符发生中断BeepIO = !BeepIO;TH0 = Sound

6、_Temp_TH0;TL0 = Sound_Temp_TL0;/*void Play(unsigned char *Sound,unsigned char Signature,unsigned Octachord,unsigned int Speed)unsigned int NewFreTab12;/新的频率表unsigned char i,j;unsigned int Point,LDiv,LDiv0,LDiv1,LDiv2,LDiv4,CurrentFre,Temp_T,SoundLength;unsigned char Tone,Length,SL,SH,SM,SLen,XG,FD;f

7、or(i=0;i 11)j = j-12;NewFreTabi = FreTabj*2;elseNewFreTabi = FreTabj;if(Octachord = 1)NewFreTabi=2;else if(Octachord = 3)NewFreTabi=2;SoundLength = 0;while(SoundSoundLength != 0x00)/计算歌曲长度SoundLength+=2;Point = 0;Tone = SoundPoint;Length = SoundPoint+1; / 读出第一个音符和时时值LDiv0 = 12000/Speed;/ 算出1分音符的长度(几

8、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%256; TH0 = Sound_Temp_TH0; TL0 =

9、Sound_Temp_TL0 + 12; /加12是对中断延时的补偿 SLen=LengthTabLength%10; /算出是几分音符XG=Length/10%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;TL1 = Sound_Temp_TL1;TF1=0;if

10、(LDiv2!=0)TR0=0; BeepIO=1;for(i=LDiv2;i0;i-) /音符间的间隔while(TF1=0);TH1 = Sound_Temp_TH1;TL1 = Sound_Temp_TL1;TF1=0;Point+=2; Tone=SoundPoint;Length=SoundPoint+1;BeepIO = 1;/*#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，就可以直接输出曲谱编码表，省去人工编码的痛苦。此软件作为共享软件发布，有需要的请留言，此东东绝对是搞电子设计在校大学生泡MM的巨佳手段，

11、呵呵。附录：/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, 0x

12、15,0x03, 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,

13、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,0x6

14、6, 0x20,0x03, 0x21,0x03, 0x20,0x03, 0x1F,0x03, 0x1B,0x03, 0x1F,0x66, 0x1F,0x03, 0x1B,0x03, 0x19,0x03, 0x19,0x03, 0x15,0x03, 0x1A,0x66,&nbs; 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, 0x17,0

15、x03, 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

16、, 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, 0

17、x19,0x03, 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, 0x

18、17,0x66, 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,

19、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,0x0

20、2, 0x1B,0x03, 0x1B,0x03, 0x1B,0x0C, 0x1A,0x0D, 0x19,0x03, 0x17,0x00, 0x1F,0x01, 0x1A,0x01, 0x18,0x66, 0x19,0x03, 0x1A,0x01, 0x10,0x02,&nbp; 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,