--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/connectivitylayer/usbphonetlink/usbpnserver_exe/inc/cusbpnisasender.h	Fri Nov 06 17:28:23 2009 +0000
@@ -0,0 +1,136 @@
+/*
+* Copyright (c) 2009 Nokia Corporation and/or its subsidiary(-ies).
+* All rights reserved.
+* This component and the accompanying materials are made available
+* under the terms of the License "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 CUSBPNISASENDER_H
+#define CUSBPNISASENDER_H
+
+//  INCLUDES
+#include "musbpncontrolobserver.h"
+
+#include <e32base.h>    // For CActive
+
+// CONSTANTS
+// MACROS
+// DATA TYPES
+// FUNCTION PROTOTYPES
+// FORWARD DECLARATIONS
+class MUsbPnBufferListener;
+class CUsbPnPacket;
+class RIscApi;
+
+// CLASS DECLARATION
+
+/**
+*  Data sender to ISA direction.
+*/
+class CUsbPnIsaSender : public CActive, public MUsbPnControlObserver
+    {
+    public:  // Constructors and destructor
+
+        /**
+        * Two-phased constructor.
+        */
+        static CUsbPnIsaSender* NewL( MUsbPnBufferListener&, RIscApi& );
+
+        /**
+        * Destructor.
+        */
+        ~CUsbPnIsaSender();
+
+
+    public: // Functions from base classes
+
+        /**
+        * From MUsbPnControlObserver. Returns usable circular packet if any.
+        * @return CUsbPnPacket&. Packet for receiver.
+        */
+        CUsbPnPacket& PacketL();
+
+        /**
+        * From MUsbPnControlObserver. Adds packet to send queue.
+        * @since Series ?XX ?SeriesXX_version
+        * @param ?arg1 ?description
+        * @return ?description
+        */
+        void Send( CUsbPnPacket& aPacket );
+
+
+    protected:  // Functions from base classes
+
+        /**
+        * From CActive
+        */
+        void DoCancel( );
+
+        /**
+        * From CActive
+        */
+        void RunL( );
+
+        /**
+        * From CActive
+        */
+        TInt RunError( TInt );
+
+
+    private:
+
+        /**
+        * C++ default constructor.
+        */
+        CUsbPnIsaSender( MUsbPnBufferListener&, RIscApi& );
+
+        /**
+        * By default Symbian 2nd phase constructor is private.
+        */
+        void ConstructL();
+
+        /**
+        * Creates packet object.
+        */
+        void AddPacketBufferL( TInt );
+
+        /**
+        * Sends packet if it is next in line and not already sending.
+        */
+        void TryToSendPacket( CUsbPnPacket& );
+
+
+    private:    // Data
+
+        // Reference to receiver for continuing receive
+        MUsbPnBufferListener&   iBufferListener;
+
+        // Reference to ISCAPI handle
+        RIscApi&                iIscApi;
+
+        // Number of packets in queue
+        TUint                   iPacketCount;
+
+        // Ownership. Newest packet -marker of circular buffer. Packets added to this 'end' of pool.
+        CUsbPnPacket*           iPacket;
+
+        // Pointer to oldest packet -marker of circular buffer. Packets written from this 'end' of pool.
+        CUsbPnPacket*           iCurrentPacket;
+
+
+    };
+
+#endif      // CUSBPNISASENDER_H
+
+// End of File