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/******************************************************************/ /* /* /* /* /* #include <reg52.h> #include "SoundPlay.h" /******************************************************************/ /* /* /* void Delay1ms(uint count) { uint i,j; for(i=0;i<count;i++) for(j=0;j<120;j++); } /*****************************Music***************************************************/ //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, 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, 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, 0x17,0x03, 0x15,0x17, 0x15,0x03, 0x16,0x03, 0x17,0x03, 0x18,0x03, 名称:延时函数 功能:C 语言中常用的 for 循环延时方法 延时长短可以通过变量初值来改变 */ */ */ 名称:蜂鸣器奏乐演示程序 作者:苏涛 时间:2011-01-18 单位:安徽建筑工业学院 电子与信息工程学院 07 级电子信息工程专业 二班 */ */ */ */ */
/******************************************************************/ //头文件调用,写程序时都要加上
/******************************************************************/ 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}; //同一首歌 unsigned char code Music_Same[]={ 0x0F,0x01, 0x15,0x02, 0x16,0x02, 0x17,0x66, 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,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,0x02, 0x1B,0x03, 0x1B,0x03,
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0x1B,0x0C, 0x1A,0x0D, 0x19,0x03, 0x17,0x00, 0x1F,0x01, 0x1A,0x01, 0x18,0x66, 0x19,0x03, 0x1A,0x01, 0x10,0x02, 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, 0x1A,0x02, 0x19,0x02, 0x16,0x03, 0x16,0x03, 0x18,0x66, 0x18,0x03, 0x18,0x02, 0x17,0x03, 0x16,0x03, 0x19,0x00, 0x00,0x00 }; //两只蝴蝶 unsigned char code Music_Two[] ={ 0x17,0x03, 0x16,0x03, 0x17,0x01, 0x16,0x03, 0x17,0x03, 0x16,0x03, 0x15,0x01, 0x10,0x03, 0x15,0x03, 0x16,0x02, 0x16,0x0D, 0x17,0x03, 0x16,0x03, 0x15,0x03, 0x10,0x03, 0x10,0x0E, 0x15,0x04, 0x0F,0x01, 0x17,0x03, 0x16,0x03, 0x17,0x01, 0x16,0x03, 0x17,0x03, 0x16,0x03, 0x15,0x01, 0x10,0x03, 0x15,0x03, 0x16,0x02, 0x16,0x0D, 0x17,0x03,
0x16,0x03, 0x15,0x03, 0x10,0x03, 0x15,0x03, 0x16,0x01, 0x17,0x03, 0x16,0x03, 0x17,0x01, 0x16,0x03, 0x17,0x03, 0x16,0x03, 0x15,0x01, 0x10,0x03, 0x15,0x03, 0x16,0x02, 0x16,0x0D, 0x17,0x03, 0x16,0x03, 0x15,0x03, 0x10,0x03, 0x10,0x0E, 0x15,0x04, 0x0F,0x01, 0x17,0x03, 0x19,0x03, 0x19,0x01, 0x19,0x03, 0x1A,0x03, 0x19,0x03, 0x17,0x01, 0x16,0x03, 0x16,0x03, 0x16,0x02, 0x16,0x0D, 0x17,0x03, 0x16,0x03, 0x15,0x03, 0x10,0x03, 0x10,0x0D, 0x15,0x00, 0x19,0x03, 0x19,0x03, 0x1A,0x03, 0x1F,0x03, 0x1B,0x03, 0x1B,0x03, 0x1A,0x03, 0x17,0x0D, 0x16,0x03, 0x16,0x03, 0x16,0x0D, 0x17,0x01, 0x17,0x03, 0x17,0x03, 0x19,0x03, 0x1A,0x02, 0x1A,0x02, 0x10,0x03, 0x17,0x0D, 0x16,0x03, 0x16,0x01, 0x17,0x03, 0x19,0x03, 0x19,0x03, 0x17,0x03, 0x19,0x02, 0x1F,0x02, 0x1B,0x03, 0x1A,0x03, 0x1A,0x0E, 0x1B,0x04, 0x17,0x02, 0x1A,0x03, 0x1A,0x03, 0x1A,0x0E, 0x1B,0x04, 0x1A,0x03, 0x19,0x03, 0x17,0x03, 0x16,0x03, 0x17,0x0D, 0x16,0x03, 0x17,0x03, 0x19,0x01, 0x19,0x03, 0x19,0x03, 0x1A,0x03, 0x1F,0x03, 0x1B,0x03, 0x1B,0x03, 0x1A,0x03, 0x17,0x0D, 0x16,0x03, 0x16,0x03, 0x16,0x03, 0x17,0x01, 0x17,0x03, 0x17,0x03, 0x19,0x03, 0x1A,0x02, 0x1A,0x02, 0x10,0x03, 0x17,0x0D, 0x16,0x03, 0x16,0x01, 0x17,0x03, 0x19,0x03, 0x19,0x03, 0x17,0x03, 0x19,0x03, 0x1F,0x02, 0x1B,0x03, 0x1A,0x03, 0x1A,0x0E, 0x1B,0x04, 0x17,0x02, 0x1A,0x03, 0x1A,0x03, 0x1A,0x0E, 0x1B,0x04, 0x17,0x16, 0x1A,0x03, 0x1A,0x03, 0x1A,0x0E, 0x1B,0x04, 0x1A,0x03, 0x19,0x03, 0x17,0x03, 0x16,0x03, 0x0F,0x02, 0x10,0x03, 0x15,0x00, 0x00,0x00 }; /*************************************************************************************/ void main() { InitialSound(); while(1) { Play(Music_Girl,0,3,360); Delay1ms(500); Play(Music_Same,0,3,360); Delay1ms(500); Play(Music_Two,0,3,360); Delay1ms(500); } }
/******************************************************************/ /* /* 头文件:SOUNDPLAY.H 说明:此头文件来源于网络 */ */
/******************************************************************/ /*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 1 ̄7 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 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 |调号(0-11) |升降八度(1-3) |演奏速度(1-12000): : 要播放的乐曲指针,结尾以(0,0)结束; : 是指乐曲升多少个半音演奏; : 1:降八度, 2:不升不降, 3:升八度; 值越大速度越快; 音符=2^n 十位表示音符的演奏效果(0-2): 0-普通,1-连音,2-顿音
***************************************************************************/ #define uint unsigned int #define uchar unsigned char #define SYST
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EM_OSC #define SOUND_SPACE sbit BeepIO = 4/5 P3^7; 12000000 //定义晶振频率 12MHZ //定义普通音符演奏的长度分率,//每 4 分音符间隔 //定义输出管脚 //宏定义,为了后面定义变量书写简便
uint code FreTab[12] = { 262,277,294,311,330,349,369,392,415,440,466,494 }; //原始频率表 uchar code SignTab[7] = { 0,2,4,5,7,9,11 }; uchar code LengthTab[7]= { 1,2,4,8,16,32,64 }; uchar Sound_Temp_TH0,Sound_Temp_TL0; //音符定时器初值暂存 uchar Sound_Temp_TH1,Sound_Temp_TL1; //音长定时器初值暂存 /**************************************************************************/ void InitialSound(void) { BeepIO = 0; Sound_Temp_TH1 = (65535-(1/1200)*SYSTEM_OSC)/256; 初装值) // 计算 TL1 应装入的初值 (10ms 的 //1 ̄7 在频率表中的位置
Sound_Temp_TL1 = (65535-(1/1200)*SYSTEM_OSC)%256; TH1 = Sound_Temp_TH1; TL1 = Sound_Temp_TL1; TMOD |= 0x11; ET0 ET1 TR0 TR1 EA } = 1; = 0; = 0; = 0; = 1;
// 计算 TH1 应装入的初值
/**************************************************************************/ void BeepTimer0(void) interrupt 1 { BeepIO = !BeepIO; TH0 TL0 } /**************************************************************************/ void Play(uchar *Sound,uchar Signature,unsigned Octachord,uint Speed) { uint NewFreTab[12]; uchar i,j; uint Point,LDiv,LDiv0,LDiv1,LDiv2,LDiv4,CurrentFre,Temp_T,SoundLength; uchar Tone,Length,SL,SH,SM,SLen,XG,FD; for(i=0;i<12;i++) { j = i + Signature; if(j > 11) { j = j-12; NewFreTab[i] = FreTab[j]*2; } else NewFreTab[i] = FreTab[j]; if(Octachord == 1) NewFreTab[i]>>=2; else if(Octachord == 3) NewFreTab[i]<<=2; } SoundLength = 0; while(Sound[SoundLength] != 0x00) { //计算歌曲长度 // 根据调号及升降八度来生成新的频率表 //新的频率表 = Sound_Temp_TH0; = Sound_Temp_TL0; //音符发生中断
SoundLength+=2; } Point = 0; Tone = Sound[Point]; // 读出第一个音符和它时时值 // 算出 1 分音符的长度(几个 10ms) // 算出 4 分音符的长度 // 普通音最长间隔标准 Length = Sound[Point+1]; LDiv0 = 12000/Speed; LDiv4 = LDiv0/4; LDiv4 = LDiv4-LDiv4*SOUND_SPACE; TR0 TR1 { SL=Tone%10; SM=Tone/10%10; SH=Tone/100; CurrentFre = NewFreTab[SignTab[SL-1]+SH]; if(SL!=0) { if (SM==1) CurrentFre >>= 2; if (SM==3) CurrentFre <<= 2; Sound_Temp_TH0 = Temp_T/256; Sound_Temp_TL0 = Temp_T%256; TH0 = Sound_Temp_TH0; TL0 = Sound_Temp_TL0 + 12; //加 12 是对中断延时的补偿 } SLen=LengthTab[Length%10]; //算出是几分音符 XG=Length/10%10; FD=Length/100; LDiv=LDiv0/SLen; if (FD==1) LDiv=LDiv+LDiv/2; if(XG!=1) if(XG==0) if (SLen<=4) LDiv1=LDiv-LDiv4; else LDiv1=LDiv*SOUND_SPACE; else LDiv1=LDiv/2; else LDiv1=LDiv; //算出顿音的演奏长度 //算出普通音符的演奏长度 //算出连音音符演奏的长度(多少个 10ms) //算出音符类型(0 普通 1 连音 2 顿音) //低音 //高音 //计算出音符 //计算出高低音 //计算出是否升半 //查出对应音符的频率 = 0; = 1; while(Point < SoundLength)
Temp_T = 65536-(50000/CurrentFre)*10/(12000000/SYSTEM_OSC);//计算计数器初值
if(SL==0) LDiv1=0; LDiv2=LDiv-LDiv1; if (SL!=0) { TR0=1; for(i=LDiv1;i>0;i--) { while(TF1==0); TH1 = Sound_Temp_TH1; TL1 = Sound_Temp_TL1; TF1=0; } } if(LDiv2!=0) { TR0=0; BeepIO=0; for(i=LDiv2;i>0;i--) { while(TF1==0); TH1 = Sound_Temp_TH1; TL1 = Sound_Temp_TL1; TF1=0; } } Point+=2; Tone=Sound[Point]; Length=Sound[Point+1]; } BeepIO = 0; } //音符间的间隔 //发规定长度的音 //算出不发音的长度1
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