单片机控制的MP3音乐播放器).doc

使用AT89S52制作的MP3播放器仅供参考 原理图已经加上了于大家分享#include #include #define uchar unsigned char#define uint unsigned int#define LCDPORT P0unsigned int code tab=64021,64103,64260,64400, 64524,64580,64684,64777, 64820,64898,64968,65030, 65058,65110,65157,65178;unsigned char code name=1234567 ;unsigned char code num=200711111111;unsigned char code tab1=PLAYING MUSIC IS;unsigned char code tab2=TWO BUFFER;unsigned char code tab3=THE TONE IS;unsigned char code tab4=LOW SO LOW LA LOW TI MID DO MID RE MIN MI MIN FA MID SO MID LA MID TI HIG DO HIG RE HIG MI HIG FA HIG SO HIG LA;/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 ;/*/*/#ifndef _SOUNDPLAY_H_REVISION_FIRST_#define _SOUNDPLAY_H_REVISION_FIRST_/*/#define SYSTEM_OSC 12000000#define SOUND_SPACE 4/5 sbit BeepIO=P30;unsigned int code FreTab12 = 262,277,294,311,330,349,369,392,415,440,466,494 ; /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 = 0;Sound_Temp_TH1 = (65536-(1/1200)*SYSTEM_OSC)/256;/ 计算TL1应装入的初值 (10ms的初装值)Sound_Temp_TL1 = (65536-(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_Temp_TH0;TL0 = Sound_Temp_TL0;/*/void Play(unsigned char *Sound；unsigned char Signature；unsigned char Octachord；unsigned int Speed)unsigned int NewFreTab12;/新的频率表unsigned char i,j;int Point,LDiv,LDiv0,LDiv1,LDiv2,LDiv4,CurrentFre,Temp_T,SoundLengt;unsigned char Tone,Length,SL,SH,SM,SLen,XG,FD;for(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%256;TH0 = Sound_Temp_TH0;TL0 = 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(LDiv2!=0)TR0=0; BeepIO=0;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 = 0;/*液晶函数*/*/sbit LCDE=P35;sbit LCDRW=P36;sbit LCDRS=P37;void Delay()uint uiCount; for(uiCount=0;uiCount0;i-) for(y=255;y0;y-);/*/#endif main() unsigned char temp;unsigned char key;unsigned char k,y,m,x,z,i,j;unsigned char counter;InitialSound(); inicry();/*键盘扫描*/ void key_scan() if(key1=0)/-key1为模式转换键）-delay_ms(9);/延时，用于消抖动if(key1=0)/延时后再次确认按键按下while(!key1);set+;if(set=3)set=1;/模式转换按键选择模式if(key2=0)/-key2为曲目2或音符duo）-delay_ms(9);/延时，用于消抖动if(key2=0)/延时后再次确认按键按下 duo=1;while(!key2);if(key3=0)/-key3为曲目3或ruai）-delay_ms(9);/延时，用于消抖动if(key3=0)/延时后再次确认按键按下ru=1;while(!key3);if(key4=0)/-key4为曲目4或mi）-delay_ms(9);/延时，用于消抖动if(key4=0)/延时后再次确认按键按下mi=1;while(!key4);if(key5=0)/-key5为曲目5或fa）-delay_ms(9);/延时，用于消抖动if(key5=0)/延时后再次确认按键按下fa=1;while(!key5);if(key6=0)/-key6为曲目6或suo）-delay_ms(9);/延时，用于消抖动if(key6=0)/延时后再次确认按键按下suo=1;while(!key6);if(key7=0)/-key7为曲目7或la）-delay_ms(9);/延时，用于消抖动if(key7=0)/延时后再次确认按键按下la=1;while(!key7);if(key8=0)/-key8为曲目8或xi）-delay_ms(9);/延时，用于消抖动if(ke