diff -r 000000000000 -r 0ce1b5ce9557 systemswstubs/examplecommonisc/IscDataTransmissionBase/src/IscDataTransmissionBase.cpp
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/systemswstubs/examplecommonisc/IscDataTransmissionBase/src/IscDataTransmissionBase.cpp	Thu Jan 14 07:14:53 2010 +0200
@@ -0,0 +1,216 @@
+/*
+* Copyright (c) 2007 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:  Implementation of DIscDataTransmissionBase class
+*
+*/
+
+
+
+// INCLUDE FILES
+#include <IscDevice.h>
+#include "IscTrace.h"
+#include "IscDataTransmissionBase.h"
+#include "IscBufferAllocator.h"
+
+#ifdef __WINS__
+#include <windows.h>
+#endif
+
+// EXTERNAL DATA STRUCTURES
+
+// EXTERNAL FUNCTION PROTOTYPES  
+
+// CONSTANTS
+
+// MACROS
+
+// LOCAL CONSTANTS AND MACROS
+
+// MODULE DATA STRUCTURES
+
+// LOCAL FUNCTION PROTOTYPES
+
+// FORWARD DECLARATIONS
+#ifdef __WINS__
+CRITICAL_SECTION g_IscDTBCriticalSection;
+#endif
+
+// ============================ MEMBER FUNCTIONS ===============================
+
+// -----------------------------------------------------------------------------
+// DIscDataTransmissionBase::DIscDataTransmissionBase
+// C++ default constructor
+// ( other items were commented in a header ).
+// -----------------------------------------------------------------------------
+//
+EXPORT_C DIscDataTransmissionBase::DIscDataTransmissionBase()
+    :iDevice( NULL ),
+    iIscBufferAllocator( NULL )
+    {
+    A_TRACE( ( _T( "DIscDataTransmissionBase::DIscDataTransmissionBase()" ) ) );
+#ifdef __WINS__
+     InitializeCriticalSection( &g_IscDTBCriticalSection );
+#endif
+    }
+
+    
+// Destructor
+EXPORT_C DIscDataTransmissionBase::~DIscDataTransmissionBase()
+    {
+    A_TRACE( ( _T( "DIscDataTransmissionBase::~DIscDataTransmissionBase()" ) ) );
+    if ( iIscBufferAllocator )
+        {
+        delete iIscBufferAllocator;
+        iIscBufferAllocator=NULL;
+        }
+#ifdef __WINS__
+    DeleteCriticalSection( &g_IscDTBCriticalSection );
+#endif
+    A_TRACE( ( _T( "DIscDataTransmissionBase::~DIscDataTransmissionBase - return void" ) ) );
+    }
+
+
+// -----------------------------------------------------------------------------
+// DIscDataTransmissionBase::AllocBuffers
+// buffer allocations according to the ISC Multiplexer
+// ( other items were commented in a header ).
+// -----------------------------------------------------------------------------
+//
+EXPORT_C void DIscDataTransmissionBase::AllocBuffers( TIscBufferEntry* aBufferConfig )
+    {
+    A_TRACE( ( _T( "DIscDataTransmissionBase::AllocBuffers(0x%x)" ), aBufferConfig ) );
+    // Allocate buffers
+    if ( !iIscBufferAllocator )
+        {
+        iIscBufferAllocator = new DIscBufferAllocator( aBufferConfig );        
+        ASSERT_RESET_ALWAYS( iIscBufferAllocator, "ISCDataTransmissionBase",EIscMemoryAllocationFailure );
+        iIscBufferAllocator->AllocBuffers();
+        }
+    A_TRACE( ( _T( "DIscDataTransmissionBase::AllocBuffers - return void" ) ) );
+    }
+// -----------------------------------------------------------------------------
+// DIscDataTransmissionBase::ReceiveFrame
+// Transfer incoming frame to ISC Driver
+// ( other items were commented in a header ).
+// -----------------------------------------------------------------------------
+//
+EXPORT_C void DIscDataTransmissionBase::ReceiveFrame( 
+    TDesC8& aFrame )
+    {
+        
+    if ( iDevice )
+        {
+        iDevice->Receive( &aFrame );
+        }
+    else
+        {
+        TRACE_ASSERT_ALWAYS;
+        }
+
+    }
+
+// -----------------------------------------------------------------------------
+// DIscDataTransmissionBase::NotifyConnectionStatus
+// Notifies any connection status changes to ISC Driver
+// ( other items were commented in a header ).
+// -----------------------------------------------------------------------------
+//
+EXPORT_C void DIscDataTransmissionBase::NotifyConnectionStatus( 
+    TInt aStatus )
+    {
+    A_TRACE( ( _T( "DIscDataTransmissionBase::NotifyConnectionStatus(0x%x)" ), aStatus ) );
+
+    if ( iDevice )
+        {
+        iDevice->NotifyConnectionStatus( aStatus );
+        }
+
+    A_TRACE( ( _T( "DIscDataTransmissionBase::NotifyConnectionStatus - return void" ) ) );
+    }
+
+
+// -----------------------------------------------------------------------------
+// DIscDataTransmissionBase::ReserveMemoryBlock
+// Reserve memory block
+// ( other items were commented in a header ).
+// -----------------------------------------------------------------------------
+//
+EXPORT_C void DIscDataTransmissionBase::ReserveMemoryBlock( 
+    TDes8*& aPtr, 
+    TUint16 aSize )
+    {    
+    E_TRACE( ( _T( "IDTB:Res(0x%x)" ), aSize ) );
+      
+    iIscBufferAllocator->ReserveMemoryBlock( aPtr, aSize );
+    }
+
+
+// -----------------------------------------------------------------------------
+// DIscDataTransmissionBase::ReleaseMemoryBlock
+// Release the reserved memory block
+// ( other items were commented in a header ).
+// -----------------------------------------------------------------------------
+//
+EXPORT_C void DIscDataTransmissionBase::ReleaseMemoryBlock( 
+    TDes8* aPtr )
+    {
+
+    E_TRACE( ( _T( "IDTB:Rel (0x%x)" ), aPtr ) );    
+    iIscBufferAllocator->ReleaseMemoryBlock( aPtr );
+
+    }
+
+
+// -----------------------------------------------------------------------------
+// DIscDataTransmissionBase::Connect
+// Connects ISC Driver to ISC Data Transmission Driver
+// ( other items were commented in a header ).
+// -----------------------------------------------------------------------------
+//
+EXPORT_C void DIscDataTransmissionBase::Connect( 
+    DIscDevice* aDevice )
+    {
+    A_TRACE( ( _T( "DIscDataTransmissionBase::Connect(0x%x)" ), aDevice ) );
+    ASSERT_RESET_ALWAYS( aDevice, "ISCDataTransmissionBase", EIscNullIscDriverPointer );
+    iDevice = aDevice;
+    A_TRACE( ( _T( "DIscDataTransmissionBase::Connect - return void" ) ) );
+    }
+
+
+// -----------------------------------------------------------------------------
+// DIscDataTransmissionBase::Install
+// Implementation of pure-virtual Install from DLogicalDevice
+// ( other items were commented in a header ).
+// -----------------------------------------------------------------------------
+//
+EXPORT_C TInt DIscDataTransmissionBase::Install()
+    {
+    A_TRACE( ( _T( "DIscDataTransmissionBase::Install()" ) ) );
+    SetName( &KIscDataTransmissionDriverName );
+    
+    // call second phase install ( located in the driver realizing this API )
+    TInt r = Install2ndPhase();
+    
+    A_TRACE( ( _T( "DIscDataTransmissionBase::Install - return 0x%x" ), r ) );
+    return r;
+    }
+
+#if defined( __WINSCW__ )
+DECLARE_STANDARD_LDD()
+    {
+    return NULL;
+    }
+#endif
+
+//  End of File