stc单片机做个WAV音乐播放器

avr和stc我都熟悉

用stc肯定行得通，用stc12pwm系列 flash最大可达60k，ram1280byte，io口可设定4中模式比avr灵活。带pwm输出，可以单机器周期运行，效率和avr差不多，不需要提高晶振双倍速，12系列最高速度可达35M。 可以上stc网站下载12系列的datasheet看看，除了没有twi总线，其它功能和avr差不多。

#include "reg52.h"

unsigned char Count

sbit _Speak =P2^3 //讯响器控制脚

unsigned char code SONG[] ={ //祝你平安

0x26,0x20,0x20,0x20,0x20,0x20,0x26,0x10,0x20,0x10,0x20,0x80,0x26,0x20,0x30,0x20,

0x30,0x20,0x39,0x10,0x30,0x10,0x30,0x80,0x26,0x20,0x20,0x20,0x20,0x20,0x1c,0x20,

0x20,0x80,0x2b,0x20,0x26,0x20,0x20,0x20,0x2b,0x10,0x26,0x10,0x2b,0x80,0x26,0x20,

0x30,0x20,0x30,0x20,0x39,0x10,0x26,0x10,0x26,0x60,0x40,0x10,0x39,0x10,0x26,0x20,

0x30,0x20,0x30,0x20,0x39,0x10,0x26,0x10,0x26,0x80,0x26,0x20,0x2b,0x10,0x2b,0x10,

0x2b,0x20,0x30,0x10,0x39,0x10,0x26,0x10,0x2b,0x10,0x2b,0x20,0x2b,0x40,0x40,0x20,

0x20,0x10,0x20,0x10,0x2b,0x10,0x26,0x30,0x30,0x80,0x18,0x20,0x18,0x20,0x26,0x20,

0x20,0x20,0x20,0x40,0x26,0x20,0x2b,0x20,0x30,0x20,0x30,0x20,0x1c,0x20,0x20,0x20,

0x20,0x80,0x1c,0x20,0x1c,0x20,0x1c,0x20,0x30,0x20,0x30,0x60,0x39,0x10,0x30,0x10,

0x20,0x20,0x2b,0x10,0x26,0x10,0x2b,0x10,0x26,0x10,0x26,0x10,0x2b,0x10,0x2b,0x80,

0x18,0x20,0x18,0x20,0x26,0x20,0x20,0x20,0x20,0x60,0x26,0x10,0x2b,0x20,0x30,0x20,

0x30,0x20,0x1c,0x20,0x20,0x20,0x20,0x80,0x26,0x20,0x30,0x10,0x30,0x10,0x30,0x20,

0x39,0x20,0x26,0x10,0x2b,0x10,0x2b,0x20,0x2b,0x40,0x40,0x10,0x40,0x10,0x20,0x10,

0x20,0x10,0x2b,0x10,0x26,0x30,0x30,0x80,0x00,

//路边的野华不要采

0x30,0x1C,0x10,0x20,0x40,0x1C,0x10,0x18,0x10,0x20,0x10,0x1C,0x10,0x18,0x40,0x1C,

0x20,0x20,0x20,0x1C,0x20,0x18,0x20,0x20,0x80,0xFF,0x20,0x30,0x1C,0x10,0x18,0x20,

0x15,0x20,0x1C,0x20,0x20,0x20,0x26,0x40,0x20,0x20,0x2B,0x20,0x26,0x20,0x20,0x20,

0x30,0x80,0xFF,0x20,0x20,0x1C,0x10,0x18,0x10,0x20,0x20,0x26,0x20,0x2B,0x20,0x30,

0x20,0x2B,0x40,0x20,0x20,0x1C,0x10,0x18,0x10,0x20,0x20,0x26,0x20,0x2B,0x20,0x30,

0x20,0x2B,0x40,0x20,0x30,0x1C,0x10,0x18,0x20,0x15,0x20,0x1C,0x20,0x20,0x20,0x26,

0x40,0x20,0x20,0x2B,0x20,0x26,0x20,0x20,0x20,0x30,0x80,0x20,0x30,0x1C,0x10,0x20,

0x10,0x1C,0x10,0x20,0x20,0x26,0x20,0x2B,0x20,0x30,0x20,0x2B,0x40,0x20,0x15,0x1F,

0x05,0x20,0x10,0x1C,0x10,0x20,0x20,0x26,0x20,0x2B,0x20,0x30,0x20,0x2B,0x40,0x20,

0x30,0x1C,0x10,0x18,0x20,0x15,0x20,0x1C,0x20,0x20,0x20,0x26,0x40,0x20,0x20,0x2B,

0x20,0x26,0x20,0x20,0x20,0x30,0x30,0x20,0x30,0x1C,0x10,0x18,0x40,0x1C,0x20,0x20,

0x20,0x26,0x40,0x13,0x60,0x18,0x20,0x15,0x40,0x13,0x40,0x18,0x80,0x00,

}

void Time0_Init()

{

TMOD = 0x01

IE = 0x82

TH0 = 0xD8

TL0 = 0xEF //12MZ晶振，10ms

}

void Time0_Int() interrupt 1

{

TH0 = 0xD8

TL0 = 0xEF

Count++ //长度加1

}

/*-------------------------------------------------

功能:1MS延时子程序

-------------------------------------------------*/

void Delay_xMs(unsigned int x)

{

unsigned int i,j

for( i =0i <xi++ )

{

for( j =0j<3j++ )

}

}

/*-------------------------------------------------

功能:歌曲播放子程序i为播放哪一段曲目

-------------------------------------------------*/

void Play_Song(unsigned char i)

{

unsigned char Temp1,Temp2

unsigned int Addr

Count = 0 //中断计数器清0

Addr = i * 217

while(1)

{

Temp1 = SONG[Addr++]

if ( Temp1 == 0xFF ) //休止符

{

TR0 = 0

Delay_xMs(100)

}

else if ( Temp1 == 0x00 ) //歌曲结束符

{

return

}

else

{

Temp2 = SONG[Addr++]

TR0 = 1

while(1)

{

_Speak = ~_Speak

Delay_xMs(Temp1)

if ( Temp2 == Count )

{

Count = 0

break

}

}

}

}

}

/*-------------------------------------------------

功能:主程序

-------------------------------------------------*/

void main()

{

Time0_Init() //定时器0中断初始化

while(1)

{

Play_Song(0) //播放

}

}

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