mtptransports/mtpusbtransport/usbdatatypes/src/tmtpusbcontrolrequestdevicestatus.cpp
// 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];
}