bluetoothappprofiles/avrcp/common/avrcpipc.h
author Pat Downey <patd@symbian.org>
Wed, 01 Sep 2010 12:20:04 +0100
branchRCL_3
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permissions -rw-r--r--
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// Copyright (c) 2007-2009 Nokia Corporation and/or its subsidiary(-ies).
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// All rights reserved.
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// This component and the accompanying materials are made available
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// under the terms of "Eclipse Public License v1.0"
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// which accompanies this distribution, and is available
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// at the URL "http://www.eclipse.org/legal/epl-v10.html".
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//
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// Initial Contributors:
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// Nokia Corporation - initial contribution.
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//
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// Contributors:
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//
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// Description:
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// This file contains structures shared by the AVRCP API with the AVRCP bearer.
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// 
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//
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/**
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 @file
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 @internalTechnology
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 @released
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*/
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#ifndef AVRCPIPC_H
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#define AVRCPIPC_H
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#include <s32mem.h>
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#include <remcon/avrcpspec.h>
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// Structure of commands for AVRCP player information requests via IPC
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class RAvrcpIPC
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{
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public:
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	IMPORT_C static TMetadataTransferPDU GetPDUIdFromIPCOperationId(TInt aOperationId);
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	IMPORT_C static TRegisterNotificationEvent GetEventIdFromIPCOperationId(TInt aOperationId);
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	IMPORT_C static TInt SetIPCOperationIdFromEventId(TRegisterNotificationEvent aEventId);
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	IMPORT_C static TUint8 SymbianErrToStatus(TInt aErr);
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    IMPORT_C static TInt SymbianErrorCheck(TInt aError);
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public:
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	virtual void ReadL(const TDesC8& aData) = 0;
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	virtual void WriteL(TDes8& aOutData) = 0;
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protected:
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	// Big-endian methods; Symbian native methods are little-endian
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	TUint8  Read8L();
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	TUint16 Read16L();
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	TUint32 Read32L();
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	TUint32 Read24L();   // Required for PDU 0x10
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	TUint64 Read64L();
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	void Write8L(TUint8 aVal);
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	void Write16L(TUint16 aVal);
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	void Write24L(TUint32 aVal); // Required for PDU 0x10
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	void Write32L(TUint32 aVal);
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	void Write64L(TUint64 aVal);
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	void Close();
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public:
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	RDesWriteStream iStream;
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	RDesReadStream iReadStream;
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};
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const TUint8 KLengthErrorResponse = 4;               // 4 bytes for errors returned via IPC
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class RAvrcpIPCError : public RAvrcpIPC
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{
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public:
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	IMPORT_C void ReadL(const TDesC8& aData);
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	IMPORT_C void WriteL(TDes8& aOutData);
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public:
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	TInt iError;
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};
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#endif // AVRCPIPC_H