hpi.c

nec16位单片机读U盘播放MP3源码

#pragma sfr
#pragma NOP
#pragma DI
#pragma EI

#include <string.h>
#include "Common.h"
#include "Define.h"
#include "Ch375.h"
#include "Fat.h"
#include "Hpi.h"
extern unsigned char DBUF[512];
extern unsigned char DBPB[513];
extern sreg XXGFLAGS bXXGFlags;
//////////////////////////////////////////
//CH_CMD_BLOCK xdata inblock;
extern SYS_INFO_BLOCK  DeviceInfo;
extern CH_CMD_BLOCK  CHCmdBlock;
extern CH_RSP_BLOCK  CHRspBlock;
extern FILE_INFO  ThisFile;
extern FILE32_INFO ThisFile32;
extern FREE_FAT_INFO  FreeFat;
unsigned char Mp3Files;
unsigned char  FileReadOver   ;
unsigned char FAT;
bit bMBR;
extern unsigned char  showFilename[32][11];
unsigned char  showFileExtname[3];
extern void show( char st[]);
extern void mShow(unsigned int showLen,unsigned  char *pShow);
unsigned char EnumMassDev(void)
{
	PMBR_BLOCK pMBR;
	PBPB_BLOCK pBPB;
	PBPB32_BLOCK pBPB32;
	unsigned int i;
	if(mInitDisk( )!=USB_INT_SUCCESS)
		{show(" initial disk lose \n");return 0  ;  }/* uz