mp3.h

在51下的外挂硬盘和FLASH的MP3方案程序以及原理图

#include <stdio.h>
#include <string.h>
#include <ctype.h>

#define DEBUG
#define AT89C51SND1C	0
#define AT89C52			1

#define CPU_TYPE	AT89C51SND1C

#if CPU_TYPE==AT89C52
	#include <at89x52.h>
#elif CPU_TYPE==AT89C51SND1C
	#include "at8xc51snd1.h"
#endif

#define LOW			0		//low level detection value
#define HIGH		1		//high level detection value

#define FALSE		0		//logic false value
#define TRUE		1		//logic true value

#define SET_BIT_0(X)	X=X|0x01
#define SET_BIT_1(X)	X=X|0x02
#define SET_BIT_2(X)	X=X|0x04
#define SET_BIT_3(X)	X=X|0x08
#define SET_BIT_4(X)	X=X|0x10
#define SET_BIT_5(X)	X=X|0x20
#define SET_BIT_6(X)	X=X|0x40
#define SET_BIT_7(X)	X=X|0x80

#define CLEAR_BIT_0(X)	X=X&0xfe
#define CLEAR_BIT_1(X)	X=X&0xfd
#define CLEAR_BIT_2(X)	X=X&0xfb
#define CLEAR_BIT_3(X)	X=X&0xf7
#define CLEAR_BIT_4(X)	X=X&0xef
#define CLEAR_BIT_5(X)	X=X&0xdf
#define CLEAR_BIT_6(X)	X=X&0xbf
#define CLEAR_BIT_7(X)	X=X&0x7f

#define DISK_SECTOR_SIZE	32