分享一个简单的音乐播放器

1万 · 2017-12-13 12:07

乐谱部分

#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 = FreTab[j]*2;
            }
            else
                     NewFreTab = FreTab[j];

            if(Octachord == 1)
                     NewFreTab>>=2;
            else if(Octachord == 3)
                     NewFreTab<<=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

1万 · 2017-12-13 12:08

音乐部分3首歌

#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

1万 · 2017-12-13 12:09

1602显示部分

#include"lcd.h"

void Read_Busy()          //忙检测函数，判断bit7是0，允许执行；1禁止
{
unsigned char sta;    //
LCD1602_DB = 0xff;
LCD1602_RS = 0;
LCD1602_RW = 1;
do
{
      LCD1602_EN = 1;
      sta = LCD1602_DB;
      LCD1602_EN = 0; //使能，用完就拉低，释放总线
}while(sta & 0x80);
}

void Lcd1602_Write_Cmd(unsigned char cmd)    //写命令
{
Read_Busy();
LCD1602_RS = 0;
LCD1602_RW = 0;
LCD1602_DB = cmd;
LCD1602_EN = 1;
LCD1602_EN = 0;
}

void Lcd1602_Write_Data(unsigned char dat) //写数据
{
   Read_Busy();
   LCD1602_RS = 1;
   LCD1602_RW = 0;
   LCD1602_DB = dat;
   LCD1602_EN = 1;
   LCD1602_EN = 0;
}

void LcdSetCursor(unsigned char x,unsigned char y)  //坐标显示
{
unsigned char addr;
if(y == 0)
      addr = 0x00 + x;
else
      addr = 0x40 + x;

Lcd1602_Write_Cmd(addr|0x80);
}

//按指定位置显示一个字符
void DisplayOneChar(unsigned char X, unsigned char Y, unsigned char DData)
{
Y &= 0x1;
X &= 0xF; //限制X不能大于15，Y不能大于1
if (Y) X |= 0x40; //当要显示第二行时地址码+0x40;
X |= 0x80; //算出指令码
Lcd1602_Write_Cmd(X); //发命令字
Lcd1602_Write_Data(DData); //发数据
}

void LcdShowStr(unsigned char x,unsigned char y,unsigned char *str)    //显示字符串
{
LcdSetCursor(x,y);    //当前字符的坐标
while(*str != '\0')
{
      Lcd1602_Write_Data(*str++);
}
}

void InitLcd1602()             //1602初始化
{
Lcd1602_Write_Cmd(0x38); //打开，5*8,8位数据
Lcd1602_Write_Cmd(0x0c);
Lcd1602_Write_Cmd(0x06);
Lcd1602_Write_Cmd(0x01); //清屏
}