halusbhif.h

威望公司MP3 + USB MCU 的参考软件

/****************************************************************
*                      Viaon Technology (Suzhou) Co.,Ltd
*
*    Copyright 2007, Viaon Technology (Suzhou) Co.,Ltd,Suzhou,China
*                    All rights reserved.
*
*
* Filename:      	halusbif.h
*
* Programmer:    	Greg 
*
* Created: 	 	1/2/2008
*
* Description: 		public functions 
*              
*        
* Change History (most recent first):	2008.1.2
****************************************************************/
#ifndef __HALUSBHIF_H__
#define __HALUSBHIF_H__

#include "utiltypedef.h"
#include "halusbhost.h"
#include "halscsi.h"

//It's better for us to check the device attachment with GPIO
BYTE halUsbChkReg(void); //Check Register only without USB BUS reset
BYTE halUsbCheck(void);	//Check usb device attachment with usb bus reset
BYTE halUsbInit(void);
BYTE halUsbEnum(void);

//This function will return the exponent of the size of sector.
//Can be called after Enumeration.
BYTE halUsbInfo(void);

#define halUsbRead(lba, pBuffer, offset) 			RBC_ReadOneSec(lba, pBuffer, RBC_READ_BUF, offset)
#define halUsbReadMp3(lba, offset) 		RBC_ReadOneSec(lba, NULL, RBC_READ_MP3, offset)
#define halUsbFlush(bSkip) 						RBC_ReadFlush(bSkip)



#endif