diff -r 000000000000 -r d0791faffa3f mtptransports/mtpusbtransport/usbdatatypes/src/tmtpusbcontrolrequestdevicestatus.cpp
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/mtptransports/mtpusbtransport/usbdatatypes/src/tmtpusbcontrolrequestdevicestatus.cpp	Tue Feb 02 01:11:40 2010 +0200
@@ -0,0 +1,162 @@
+// Copyright (c) 2006-2009 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:
+//
+
+/**
+ @file
+ @internalComponent
+*/
+
+#include <mtp/mtpprotocolconstants.h>
+
+#include "mtpusbdatatypeconstants.h"
+#include "tmtpusbcontrolrequestdevicestatus.h"
+    
+// Dataset element metadata.
+const TMTPUsbControlRequestDeviceStatus::TElementInfo TMTPUsbControlRequestDeviceStatus::iElementMetaData[ENumElements] = 
+    {
+        {EMTPTypeUINT16,   0,   KMTPTypeUINT16Size},    // EwLength
+        {EMTPTypeUINT16,   2,   KMTPTypeUINT16Size},    // ECode
+        {EMTPTypeUINT32,    4,   KMTPTypeUINT32Size},     // EParameter1
+        {EMTPTypeUINT32,    8,   KMTPTypeUINT32Size},     // EParameter2
+        {EMTPTypeUINT32,    12,  KMTPTypeUINT32Size},     // EParameter3 
+        {EMTPTypeUINT32,    16,  KMTPTypeUINT32Size},     // EParameter4 
+        {EMTPTypeUINT32,    20,  KMTPTypeUINT32Size},     // EParameter5
+        {EMTPTypeUINT32,    24,  KMTPTypeUINT32Size},     // EParameter6
+        {EMTPTypeUINT32,    28,  KMTPTypeUINT32Size},     // EParameter7
+        {EMTPTypeUINT32,    32,  KMTPTypeUINT32Size},     // EParameter8
+        {EMTPTypeUINT32,    36,  KMTPTypeUINT32Size},     // EParameter9
+        {EMTPTypeUINT32,    40,  KMTPTypeUINT32Size},     // EParameter10
+        {EMTPTypeUINT32,    44,  KMTPTypeUINT32Size},     // EParameter11
+        {EMTPTypeUINT32,    48,  KMTPTypeUINT32Size},     // EParameter12
+        {EMTPTypeUINT32,    52,  KMTPTypeUINT32Size},     // EParameter13
+        {EMTPTypeUINT32,    56,  KMTPTypeUINT32Size},     // EParameter14
+        {EMTPTypeUINT32,    60,  KMTPTypeUINT32Size},     // EParameter15
+        {EMTPTypeUINT32,    64,  KMTPTypeUINT32Size},     // EParameter16
+        {EMTPTypeUINT32,    68,  KMTPTypeUINT32Size},     // EParameter17
+        {EMTPTypeUINT32,    72,  KMTPTypeUINT32Size},     // EParameter18
+        {EMTPTypeUINT32,    76,  KMTPTypeUINT32Size},     // EParameter19
+        {EMTPTypeUINT32,    80,  KMTPTypeUINT32Size},     // EParameter20
+        {EMTPTypeUINT32,    84,  KMTPTypeUINT32Size},     // EParameter21
+        {EMTPTypeUINT32,    88,  KMTPTypeUINT32Size},     // EParameter22
+        {EMTPTypeUINT32,    92,  KMTPTypeUINT32Size},     // EParameter23
+        {EMTPTypeUINT32,    96,  KMTPTypeUINT32Size},     // EParameter24
+        {EMTPTypeUINT32,    100,  KMTPTypeUINT32Size},     // EParameter25
+        {EMTPTypeUINT32,    104,  KMTPTypeUINT32Size},     // EParameter26
+        {EMTPTypeUINT32,    108,  KMTPTypeUINT32Size},     // EParameter27
+        {EMTPTypeUINT32,    112,  KMTPTypeUINT32Size},     // EParameter28
+        {EMTPTypeUINT32,    116,  KMTPTypeUINT32Size},     // EParameter29
+        {EMTPTypeUINT32,    120,  KMTPTypeUINT32Size},     // EParameter30
+        {EMTPTypeUINT32,    124,  KMTPTypeUINT32Size},     // EParameter31
+        {EMTPTypeUINT32,    128,  KMTPTypeUINT32Size},     // EParameter32
+    }; 
+
+/** 
+Constructor
+*/
+EXPORT_C TMTPUsbControlRequestDeviceStatus::TMTPUsbControlRequestDeviceStatus() :
+    iElementInfo(iElementMetaData, ENumElements),
+    iBuffer(KMaxSize),
+    iNumParameters(0)
+    {
+    SetBuffer(iBuffer);
+    }   
+    
+/**
+Provides the number of parameters in the dataset which are set.
+@return the number of set parameters.
+*/
+EXPORT_C TUint TMTPUsbControlRequestDeviceStatus::NumParameters() const
+    {
+    return iNumParameters;        
+    }  
+    
+/**
+Resets the dataset.
+*/
+EXPORT_C void TMTPUsbControlRequestDeviceStatus::Reset()
+    {
+    TMTPTypeFlatBase::Reset();
+    iNumParameters = 0;
+    }
+	
+EXPORT_C void TMTPUsbControlRequestDeviceStatus::SetUint32(TInt aElementId, TUint32 aData)
+    {
+    // Recalculate iNumParameters.
+    TUint num((aElementId - EParameter1) + 1);
+    if (num > iNumParameters)
+        {
+        iNumParameters = num;            
+        }
+        
+    //  Set the element value.
+    TMTPTypeFlatBase::SetUint32(aElementId, aData);
+    }
+    
+EXPORT_C TUint32 TMTPUsbControlRequestDeviceStatus::Uint32(TInt aElementId) const
+    {
+    __ASSERT_DEBUG((aElementId - EParameter1 < iNumParameters), User::Invariant());
+    return TMTPTypeFlatBase::Uint32(aElementId);
+    }
+
+EXPORT_C TInt TMTPUsbControlRequestDeviceStatus::FirstReadChunk(TPtrC8& aChunk) const
+    {
+    TInt    ret(TMTPTypeFlatBase::FirstReadChunk(aChunk));
+    TUint64 size(Size());
+    
+    if (size < aChunk.Size())
+        {
+        // Truncate the buffer at the last set parameter.
+        aChunk.Set(aChunk.Left(size));
+        }
+
+    return ret;
+    }
+
+EXPORT_C TUint64 TMTPUsbControlRequestDeviceStatus::Size() const
+    {
+    const TUint emptyParams(((ENumElements - EParameter1) - iNumParameters) * iElementInfo[EParameter1].iSize);
+    return (KMaxSize - emptyParams);
+    }
+
+EXPORT_C TUint TMTPUsbControlRequestDeviceStatus::Type() const
+	{
+	return EMTPUsbTypeControlRequestDeviceStatus;
+	}
+    
+EXPORT_C TBool TMTPUsbControlRequestDeviceStatus::CommitRequired() const
+    {
+    return ETrue;
+    }
+
+EXPORT_C MMTPType* TMTPUsbControlRequestDeviceStatus::CommitChunkL(TPtr8& /*aChunk*/)
+    {
+    iNumParameters = 0;
+    
+    // Recalculate iNumParameters.
+    for (TUint i(EParameter1); (i <= KMaxParameters); i++)
+        {
+        if (TMTPTypeFlatBase::Uint32(i) != 0)
+            {
+            iNumParameters = i - EParameter1 + 1;
+            }
+        }
+    return NULL;
+    }
+    
+EXPORT_C const TMTPTypeFlatBase::TElementInfo& TMTPUsbControlRequestDeviceStatus::ElementInfo(TInt aElementId) const
+    {
+    __ASSERT_DEBUG((aElementId < ENumElements), User::Invariant());
+    return iElementInfo[aElementId];
+    }