51单片机 按键 音乐播放器

180it 2022-04-07 PM 508℃ 0条

main.c

// 音乐播放器 :  挥着翅膀的女孩  同一首歌  两只蝴蝶
#include <reg52.h>           //此文件中定义了单片机的一些特殊功能寄存器
#include "SoundPlay.h"
#include "music.h"

typedef unsigned int u16;     //对数据类型进行声明定义
typedef unsigned char u8;


u8 key_id = 0;

sbit k1 = P3 ^ 1;
sbit k2 = P3 ^ 0;
sbit k3 = P3 ^ 2;
sbit k4 = P3 ^ 3;

sbit beep = P1 ^ 5;
u8 x = 200 ;

void Delay1ms(unsigned int count)
{
    unsigned int i, j;
    for (i = 0; i < count; i++)
        for (j = 0; j < 120; j++);
}

void delay(u16 i)
{
    while (i--);
}

// 扫描 按键 K1-K4
void keypros();

void main()
{
    InitialSound();
    while (1) {
        keypros();

        // K1 按键点歌   两只蝴蝶
        if (key_id == 1) {
            Play(Music_Two, 0, 3, 360);
            Delay1ms(500);

            key_id = 0;
        }

        // K2 按键点歌   挥着翅膀的女孩
        if (key_id == 2) {
            Play(Music_Girl, 0, 3, 360);
            Delay1ms(500);

            key_id = 0;
        }

        // K3 按键点歌   同一首歌
        if (key_id == 3) {
            Play(Music_Same, 0, 3, 360);
            Delay1ms(500);
            key_id = 0;
        }

        // K4  beep 声音
        if (key_id == 4) {
            while (x--) {
                beep = ~beep;
                delay(100);
            }
            key_id = 0;
            x = 200 ;
        }
    }
}

// 扫描 按键 K1-K4
void keypros()
{
    if (k1 == 0) {       // 按键 K1 ;  key_id = 1
        delay(1000);
        if (k1 == 0) {
            key_id = 1;
        }
        while (!k1);
    }

    if (k2 == 0) {      // 按键 K2 ;  key_id = 2
        delay(1000);
        if (k2 == 0) {
            key_id = 2;
        }
        while (!k2);
    }

    if (k3 == 0) {
        delay(1000);
        if (k3 == 0) {
            key_id = 3;
        }
        while (!k3);
    }

    if (k4 == 0) {
        delay(1000);
        if (k4 == 0) {
            key_id = 4;
        }
        while (!k4);
    }
}

SoundPlay.h

/**************************************************************************
   
                         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 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         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
         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"music.h"

#define SYSTEM_OSC         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    =       P1^5;        //定义输出管脚
unsigned char value=0;
unsigned int  code FreTab[12]  = { 262,277,294,311,330,349,369,392,415,440,466,494 }; //原始频率表
unsigned char code SignTab[7]  = { 0,2,4,5,7,9,11 };                                   //1~7在频率表中的位置
unsigned char code LengthTab[7]= { 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 = 0;
    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
{
    static unsigned char i;
    BeepIO = !BeepIO;
    TH0    = Sound_Temp_TH0;
     TL0    = Sound_Temp_TL0;
    i++;
    if(i==100)
    {
        i=0;
        value++;
        if(value==5)value=0;
    }

}
//**************************************************************************
void Play(unsigned char *Sound,unsigned char Signature,unsigned Octachord,unsigned int Speed)
{
    unsigned int NewFreTab[12];        //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;
    for(i=0;i<12;i++)                 // 根据调号及升降八度来生成新的频率表 
    {
        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
    {
        SoundLength+=2;
    }

    Point = 0;
    Tone   = Sound[Point];    
    Length = Sound[Point+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 < SoundLength)
    {
        SL=Tone%10;                                 //计算出音符 
        SM=Tone/10%10;                                 //计算出高低音 
        SH=Tone/100;                                 //计算出是否升半 
        CurrentFre = NewFreTab[SignTab[SL-1]+SH];     //查出对应音符的频率     
        if(SL!=0)
        {
            if (SM==1) CurrentFre >>= 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 = 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;             //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 (SLen<=4)    
                    LDiv1=LDiv-LDiv4;
                else
                    LDiv1=LDiv*SOUND_SPACE;
            else
                LDiv1=LDiv/2;         //算出顿音的演奏长度 
        else
            LDiv1=LDiv;
        if(SL==0) LDiv1=0;
            LDiv2=LDiv-LDiv1;         //算出不发音的长度 
          if (SL!=0)
        {
            TR0=1;
            for(i=LDiv1;i>0;i--)     //发规定长度的音 
            {
                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--)     //音符间的间隔
            {
                while(TF1==0);
                TH1 = Sound_Temp_TH1;
                TL1 = Sound_Temp_TL1;
                TF1=0;
            }
        }
        Point+=2; 
        Tone=Sound[Point];
        Length=Sound[Point+1];
    }
    BeepIO = 0;
}
//**************************************************************************
#endif

music.h

#ifndef __MUSIC_H__
#define __MUSIC_H__
//*****************************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,
    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
const 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,
    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
const 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
};
//***********************************************************************************
#endif
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51单片机 按键 音乐播放器