kerneltest/e32utils/testusbcldd/src/dtestusblogdev.cpp
author Slion
Tue, 08 Dec 2009 08:11:42 +0100
branchanywhere
changeset 19 f6d3d9676ee4
parent 0 a41df078684a
permissions -rw-r--r--
Trying to figure out how to implement my WINC like compatibility layer. Going the emulation way is probably not so smart. We should not use the kernel but rather hook native functions in the Exec calls.

// Copyright (c) 2004-2009 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:
// f32test\testusbcldd\src\dtestusblogdev.cpp
// 
//

#include "dtestusblogdev.h"
#include <d32usbc.h>

// global Dfc Que
TDynamicDfcQue* gDfcQ;

//
// DLL export number 1: Create a new LDD factory
//
DECLARE_STANDARD_LDD()
    {
	return(new DTestUsbcLogDevice);
	}

DTestUsbcLogDevice::DTestUsbcLogDevice() :
	iEndpoints(KMaxEndpointsPerClient+1)
	{
	iParseMask = KDeviceAllowUnit;
	iUnitsMask = 0xffffffff;
	iVersion = TVersion(KTestUsbcMajorVersion, KTestUsbcMinorVersion, KTestUsbcBuildVersion);
	}

DTestUsbcLogDevice::~DTestUsbcLogDevice()
	{
	for (TInt i = 0; i < iEndpoints.Count(); i++)
		{
		delete iEndpoints[i];
		}
	iEndpoints.Reset();
	iEndpoints.Close();

	if (gDfcQ)
		gDfcQ->Destroy();
	}
	
const TInt KDSTestUsbThreadPriority = 27;
_LIT(KDTestUsbThread,"DTestUsbThread");

TInt DTestUsbcLogDevice::Install()
	{
	// Allocate a kernel thread to run the DFC 
	TInt r = Kern::DynamicDfcQCreate(gDfcQ, KDSTestUsbThreadPriority, KDTestUsbThread);

	if (r != KErrNone)
		return r; 	

	_LIT(KName, "usbc");
	return SetName(&KName);
	}
	
void DTestUsbcLogDevice::GetCaps(TDes8& aDes) const
	{
	TPckgBuf<TCapsDevUsbc> b;
	b().version=iVersion;
	Kern::InfoCopy(aDes, b);
	}
	
TInt DTestUsbcLogDevice::Create(DLogicalChannelBase*& aChannel)
	{
	if (iEndpoints.Count() == 0)
		{
		for (TInt i = 0; i < KMaxEndpointsPerClient+1; i++)
			{
			DTestUsbcEndpoint* ep = new DTestUsbcEndpoint();
			if (!ep)
				{
				return KErrNoMemory;
				}
			TInt err = ep->Create(DLddTestUsbcChannel::iEndpointData[i].iCaps);
			if (err != KErrNone)
				{
				return err;
				}
			iEndpoints.Append(ep);
			}
		}
	aChannel = new DLddTestUsbcChannel(iEndpoints);
	return aChannel ? KErrNone : KErrNoMemory;
	}