kerneltest/e32test/usbho/t_usbdi/src/UsbClientStateWatcher.cpp
author Slion
Tue, 08 Dec 2009 08:11:42 +0100
branchanywhere
changeset 19 f6d3d9676ee4
parent 0 a41df078684a
child 253 d37db4dcc88d
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) 2007-2009 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:
// @file usbclientstatewatcher.cpp
// @internalComponent
// 
//

#include "UsbClientStateWatcher.h"
#include <d32usbc.h>
#include <e32test.h>
#include <e32debug.h>

extern RTest gtest;

namespace NUnitTesting_USBDI
	{

CUsbClientStateWatcher* CUsbClientStateWatcher::NewL(RDevUsbcClient& aClientDriver,MUsbClientStateObserver& aStateObserver)
	{
	CUsbClientStateWatcher* self = new (ELeave) CUsbClientStateWatcher(aClientDriver,aStateObserver);
	CleanupStack::PushL(self);
	self->ConstructL();
	CleanupStack::Pop(self);
	return self;
	}
	
	
CUsbClientStateWatcher::CUsbClientStateWatcher(RDevUsbcClient& aClientDriver,MUsbClientStateObserver& aStateObserver)
:	CActive(EPriorityUserInput),
	iClientDriver(aClientDriver),
	iStateObserver(aStateObserver)
	{
	CActiveScheduler::Add(this);
	}


CUsbClientStateWatcher::~CUsbClientStateWatcher()
	{
	LOG_FUNC
	Cancel();
	}
	
	
void CUsbClientStateWatcher::ConstructL()
	{
	RDebug::Printf("<Client State Watcher> Watching state of device");
	iClientDriver.AlternateDeviceStatusNotify(iStatus,iState);
	SetActive();
	}


void CUsbClientStateWatcher::DoCancel()
	{
	// Cancel device status notification
	iClientDriver.AlternateDeviceStatusNotifyCancel();	
	}

void CUsbClientStateWatcher::RunL()
	{
	// Retrieve the asynchronous completion code
	TInt completionCode(iStatus.Int());
	
	if(iState & KUsbAlternateSetting)
		{
		// This is notification for alternate interface setting selected by the host
		// so do nothing (Do not watch for these)
		}
	else
		{
		if(completionCode == KErrNone)
			{
			switch(iState)
				{
				case EUsbcDeviceStateUndefined:
					RDebug::Printf("<Client State> Not attached");
					break;
				
				case EUsbcDeviceStateAttached:
					RDebug::Printf("<Client State> Attached to host but not powered");
					break;
					
				case EUsbcDeviceStatePowered:
					RDebug::Printf("<Client State> Attached and powered but no reset");
					break;
					
				case EUsbcDeviceStateDefault:
					RDebug::Printf("<Client State> Reset but not addressed");
					break;
					
				case EUsbcDeviceStateAddress:
					RDebug::Printf("<Client State> Addressed but not configured");
					break;
	 
				case EUsbcDeviceStateConfigured:
					RDebug::Printf("<Client State> Fully configured");
					break;
	 
				case EUsbcDeviceStateSuspended:
					RDebug::Printf("<Client State> Suspended");
					break;
					
				case EUsbcNoState: //follow through
				default:
					RDebug::Printf("<Client State> Not specified");
					break;
				}
			}
		else
			{
			RDebug::Printf("<Client State> Notification error %d",completionCode);
			}
		
		// Device state change
		iStateObserver.StateChangeL(static_cast<TUsbcDeviceState>(iState),completionCode);		
		}
			
	// Keep asking to be informed for status notifications
	iClientDriver.AlternateDeviceStatusNotify(iStatus,iState);
	SetActive();	
	}
	
	
TInt CUsbClientStateWatcher::RunError(TInt aError)
	{
	aError = KErrNone;
	return aError;
	}






CAlternateInterfaceSelectionWatcher* CAlternateInterfaceSelectionWatcher::NewL(
	RDevUsbcClient& aClientDriver,MAlternateSettingObserver& aObserver)
	{
	CAlternateInterfaceSelectionWatcher* self = new (ELeave) CAlternateInterfaceSelectionWatcher(aClientDriver,aObserver);
	CleanupStack::PushL(self);
	self->ConstructL();
	CleanupStack::Pop(self);
	return self;
	}
	
	
CAlternateInterfaceSelectionWatcher::CAlternateInterfaceSelectionWatcher(
	RDevUsbcClient& aClientDriver,MAlternateSettingObserver& aObserver)
:	CActive(EPriorityUserInput),
	iClientDriver(aClientDriver),
	iObserver(aObserver)
	{
	CActiveScheduler::Add(this);
	}
	
	
CAlternateInterfaceSelectionWatcher::~CAlternateInterfaceSelectionWatcher()
	{
	LOG_FUNC

	Cancel();
	}
	
	
void CAlternateInterfaceSelectionWatcher::ConstructL()
	{
	LOG_FUNC

	iClientDriver.AlternateDeviceStatusNotify(iStatus,iState);
	SetActive();	
	}


void CAlternateInterfaceSelectionWatcher::DoCancel()
	{
	LOG_FUNC

	iClientDriver.AlternateDeviceStatusNotifyCancel();
	}
	
	
void CAlternateInterfaceSelectionWatcher::RunL()
	{
	LOG_FUNC

	TInt completionCode(iStatus.Int());
	
	if(iState & KUsbAlternateSetting)
		{
		iObserver.AlternateInterfaceSelectedL(iState & (~KUsbAlternateSetting));
		}	
	// Keep asking to be informed for status notifications
	iClientDriver.AlternateDeviceStatusNotify(iStatus,iState);
	SetActive();	
	}


TInt CAlternateInterfaceSelectionWatcher::RunError(TInt aError)
	{
	LOG_FUNC

	return KErrNone;
	}














	}