diff -r 000000000000 -r c9bc50fca66e usbmgmt/usbmgr/device/classdrivers/acm/classimplementation/ecacm/inc/CdcControlInterface.h
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/usbmgmt/usbmgr/device/classdrivers/acm/classimplementation/ecacm/inc/CdcControlInterface.h	Tue Feb 02 02:02:59 2010 +0200
@@ -0,0 +1,87 @@
+/*
+* Copyright (c) 1997-2009 Nokia Corporation and/or its subsidiary(-ies).
+* All rights reserved.
+* This component and the accompanying materials are made available
+* under the terms of "Eclipse Public License v1.0"
+* which accompanies this distribution, and is available
+* at the URL "http://www.eclipse.org/legal/epl-v10.html".
+*
+* Initial Contributors:
+* Nokia Corporation - initial contribution.
+*
+* Contributors:
+*
+* Description:
+*
+*/
+
+#ifndef __CDCCONTROLINTERFACE_H__
+#define __CDCCONTROLINTERFACE_H__
+
+#include "CdcInterfaceBase.h"
+
+class CCdcAcmClass;
+class CCdcControlInterfaceReader;
+
+NONSHARABLE_CLASS(CCdcControlInterface) : public CCdcInterfaceBase
+/**
+ * ACM control interface subclass.
+ */
+	{
+public:
+	static CCdcControlInterface* NewL(CCdcAcmClass& aParent, const TUint8 aProtocolNum, const TDesC16& aIfcName);
+	~CCdcControlInterface();
+
+public:
+	TInt SetupClassSpecificDescriptor(TUint8 aDataInterfaceNumber);
+	TInt SendNetworkConnection(TBool aValue);
+	TInt SendSerialState(TBool aOverRun, 
+		TBool aParity, 
+		TBool aFraming, 
+		TBool aRing, 
+		TBool aBreak,
+		TBool aTxCarrier,
+		TBool aRxCarrier);
+
+public:
+	static inline TReal32 GetF32( TUint8** aPPbuf );
+	static inline void	  PutF32( TUint8** aPPbuf, TReal32 aF32 );
+
+	static inline TUint32 GetU32( TUint8** aPPbuf );
+	static inline void	  PutU32( TUint8** aPPbuf, TUint32 aU32 );
+
+	static inline TUint16 GetU16( TUint8** aPPbuf );
+	static inline void	  PutU16( TUint8** aPPbuf,TUint16 aU16 );
+
+	static inline TUint8 GetU08( TUint8** aPPbuf );
+	static inline void	 PutU08( TUint8** aPPbuf, TUint8 aU8 );
+
+private:
+	CCdcControlInterface(const TUint8 aProtocolNum, const TDesC16& aIfcName);
+	void ConstructL(CCdcAcmClass& aParent);
+
+private: // from CCdcClassBase
+	TInt SetUpInterface();
+
+private: // utility
+	TInt WriteData(TEndpointNumber aEndPoint, TDes8& aDes, TInt aLength);
+
+private: // owned
+	CCdcControlInterfaceReader* iReader;	///< Handle on the read object
+
+	TUint16 iSerialState;				///< local copy of the flagset
+	const TUint8 iProtocolNum;
+
+	enum
+		{
+		///< Max packet size sent on Interrupt endpoint
+		KMaxPacketTypeInterrupt = 64,	
+		///< Interrupt endpoint poll time in ms
+		KPollInterval  = 128, 
+		KWriteDataTimeout = 500000,
+		};
+	};
+
+#include "LittleEndianPacker.INL"
+
+#endif // __CDCCONTROLINTERFACE_H__