kerneltest/e32test/usbho/t_usbdi/src/TestDeviceBase.cpp
changeset 0 a41df078684a
child 43 c1f20ce4abcf
equal deleted inserted replaced
-1:000000000000 0:a41df078684a
       
     1 // Copyright (c) 2007-2009 Nokia Corporation and/or its subsidiary(-ies).
       
     2 // All rights reserved.
       
     3 // This component and the accompanying materials are made available
       
     4 // under the terms of the License "Eclipse Public License v1.0"
       
     5 // which accompanies this distribution, and is available
       
     6 // at the URL "http://www.eclipse.org/legal/epl-v10.html".
       
     7 //
       
     8 // Initial Contributors:
       
     9 // Nokia Corporation - initial contribution.
       
    10 //
       
    11 // Contributors:
       
    12 //
       
    13 // Description:
       
    14 // @file testdevicebase.cpp
       
    15 // @internalComponent
       
    16 // 
       
    17 //
       
    18 
       
    19 #include "TestDeviceBase.h"
       
    20 #include "UsbDescriptorOffsets.h"
       
    21 #include "testdebug.h"
       
    22 #include <e32test.h>
       
    23 #include "softwareconnecttimer.h"
       
    24 #include "wakeuptimer.h"
       
    25 #include "controltransferrequests.h"
       
    26 #include "testinterfacebase.h"
       
    27 #include "PBASE-T_USBDI-0486.h"
       
    28 #include <e32property.h>
       
    29 
       
    30 namespace NUnitTesting_USBDI
       
    31 	{
       
    32 
       
    33 RUsbTestDevice::RUsbTestDevice()
       
    34 : 	iStateWatcher(NULL), 
       
    35 	iCurrentState(EUsbcDeviceStateUndefined), 
       
    36 	iDeviceEp0(NULL), 
       
    37 	iConnectTimer(NULL), iWakeupTimer(NULL),
       
    38 	iAuxBuffer(NULL)
       
    39 	{
       
    40 	}
       
    41 	
       
    42 RUsbTestDevice::RUsbTestDevice(CBaseTestCase* aTestCase)
       
    43 : 	iStateWatcher(NULL), 
       
    44 	iCurrentState(EUsbcDeviceStateUndefined), 
       
    45 	iDeviceEp0(NULL), 
       
    46 	iConnectTimer(NULL), iWakeupTimer(NULL),
       
    47 	iAuxBuffer(NULL)
       
    48 	{
       
    49 	LOG_FUNC	
       
    50 	iTestCase = aTestCase;
       
    51 	RDebug::Printf("iTestCase = %d", iTestCase);
       
    52 	}
       
    53 		
       
    54 void RUsbTestDevice::ResetState()
       
    55 	{
       
    56 	iCurrentState = EUsbcDeviceStateUndefined;
       
    57 	}
       
    58 
       
    59 RUsbTestDevice::~RUsbTestDevice()
       
    60 	{
       
    61 	LOG_FUNC
       
    62 	
       
    63 	}
       
    64 	
       
    65 void RUsbTestDevice::Close()
       
    66 	{
       
    67 	LOG_FUNC
       
    68 
       
    69 	delete iWakeupTimer;
       
    70 	delete iConnectTimer;
       
    71 	delete iDeviceEp0;
       
    72 	delete iStateWatcher;
       
    73 		
       
    74 	iInterfaces.ResetAndDestroy();
       
    75 
       
    76 	iClientDriver.Close(); 
       
    77 	
       
    78 	if(!iTestCase->IsHost()) // process only started in client rom
       
    79 		{
       
    80         // create a publish/subscribe key to allow usbhost_usbman to be killed
       
    81         // cleanly
       
    82         static const TUid KWordOfDeathCat = {0x01066600};
       
    83         static const TInt KWordOfDeathKey = 0x01066601;
       
    84         static _LIT_SECURITY_POLICY_PASS(KAllowAllPolicy);
       
    85         TInt r = RProperty::Define(KWordOfDeathCat, KWordOfDeathKey, RProperty::EInt,KAllowAllPolicy, KAllowAllPolicy, 0);
       
    86         if(r != KErrNone)
       
    87             {
       
    88             RDebug::Print(_L("Could not create the WordOfDeath P&S   (%d)"), r);
       
    89             }
       
    90 		RDebug::Printf("killing t_usbhost_usbman.exe");
       
    91         RProperty::Set(KWordOfDeathCat, KWordOfDeathKey, KErrAbort);   // Send the word of death
       
    92         User::After(1000000); //allow time for t_usbhost_usbman.exe to clean up
       
    93 		}
       
    94 	}
       
    95 
       
    96 
       
    97 void RUsbTestDevice::SubscribeToReports(TRequestStatus& aObserverStatus)
       
    98 	{
       
    99 	LOG_FUNC
       
   100 	
       
   101 	// Signal the request as pending
       
   102 	
       
   103 	iObserverStatus = &aObserverStatus;
       
   104 	*iObserverStatus = KRequestPending;
       
   105 	}
       
   106 
       
   107 
       
   108 void RUsbTestDevice::CancelSubscriptionToReports()
       
   109 	{
       
   110 	LOG_FUNC
       
   111 	
       
   112 	// Signal the request as cancelled
       
   113 	User::RequestComplete(iObserverStatus,KErrCancel);
       
   114 	}
       
   115 	
       
   116 		
       
   117 void RUsbTestDevice::OpenL()
       
   118 	{
       
   119 	LOG_FUNC	
       
   120 	TInt err = KErrNone;
       
   121 	
       
   122 	RDebug::Printf("starting t_usbhost_usbman.exe");
       
   123 	TInt r = iOtgUsbMan.Create(_L("t_usbhost_usbman.exe"), _L("client"));
       
   124 	gtest(r == KErrNone);
       
   125 	iOtgUsbMan.Resume();	
       
   126 	
       
   127 	User::After(1500000);
       
   128 	
       
   129 	// Open channel to driver
       
   130 	err = iClientDriver.Open(0);
       
   131 	if(err != KErrNone)
       
   132 		{
       
   133 		RDebug::Printf("<Error %d> Unable to open a channel to USB client driver",err);
       
   134 		User::Leave(err);
       
   135 		}
       
   136 	
       
   137 	// Hide bus from host while interfaces are being set up
       
   138 	err = iClientDriver.DeviceDisconnectFromHost();
       
   139 	if(err != KErrNone)
       
   140 		{
       
   141 		RDebug::Printf("<Error %d> unable to disconnect device from host",err);
       
   142 		User::Leave(err);
       
   143 		}
       
   144 	
       
   145 	// Create the client usb state watcher
       
   146 	iStateWatcher = CUsbClientStateWatcher::NewL(iClientDriver,*this);
       
   147 		
       
   148 	// Create the Ep0 reader
       
   149 	iDeviceEp0 = CDeviceEndpoint0::NewL(*this);
       
   150 		
       
   151 	// Create the timer for software connection/disconnection
       
   152 	iConnectTimer = CSoftwareConnectTimer::NewL(*this);
       
   153 	
       
   154 	// Create the timer for remote wakeup events
       
   155 	iWakeupTimer = CRemoteWakeupTimer::NewL(*this);
       
   156 	_LIT8(KYes, "yes");
       
   157 	_LIT8(KNo, "no");
       
   158 	User::LeaveIfError(iClientDriver.DeviceCaps(iDeviceCaps));
       
   159  	RDebug::Printf("------ USB device capabilities -------");
       
   160 	RDebug::Printf("Number of endpoints:                %d",iDeviceCaps().iTotalEndpoints);	
       
   161 	RDebug::Printf("Supports Software-Connect:          %S",iDeviceCaps().iConnect ? &KYes() : &KNo());
       
   162 	RDebug::Printf("Device is Self-Powered:             %S",iDeviceCaps().iSelfPowered ? &KYes() : &KNo());
       
   163 	RDebug::Printf("Supports Remote-Wakeup:             %S",iDeviceCaps().iRemoteWakeup ? &KYes() : &KNo());
       
   164 	RDebug::Printf("Supports High-speed:                %S",iDeviceCaps().iHighSpeed ? &KYes() : &KNo());
       
   165 	RDebug::Printf("Supports unpowered cable detection: %S",(iDeviceCaps().iFeatureWord1 & KUsbDevCapsFeatureWord1_CableDetectWithoutPower) ? &KYes() : &KNo());
       
   166 	RDebug::Printf("--------------------------------------");
       
   167 	
       
   168 	}
       
   169 
       
   170 
       
   171 TInt RUsbTestDevice::SetClassCode(TUint8 aClassCode,TUint8 aSubClassCode,TUint8 aDeviceProtocol)
       
   172 	{
       
   173 	LOG_FUNC
       
   174 
       
   175 	// Get Device descriptor
       
   176 	TBuf8<KUsbDescSize_Device> deviceDescriptor;
       
   177 	TInt err(iClientDriver.GetDeviceDescriptor(deviceDescriptor));
       
   178 	if(err != KErrNone)
       
   179 		{
       
   180 		RDebug::Printf("<Error %d> Unable to obtain device descriptor",err);
       
   181 		}
       
   182 	else
       
   183 		{
       
   184 		deviceDescriptor[KDevDescOffset_bDeviceClass] = aClassCode;
       
   185 		deviceDescriptor[KDevDescOffset_bDeviceSubClass] = aSubClassCode;
       
   186 		deviceDescriptor[KDevDescOffset_bDeviceProtocol] = aDeviceProtocol;	
       
   187 		
       
   188 		err = iClientDriver.SetDeviceDescriptor(deviceDescriptor);
       
   189 		if(err != KErrNone)
       
   190 			{
       
   191 			RDebug::Printf("<Error %d> Unable to set the device dsecriptor",err);
       
   192 			}
       
   193 		}
       
   194 	return err;
       
   195 	}
       
   196 
       
   197 
       
   198 TInt RUsbTestDevice::SetUsbSpecification(TUint16 aSpecification)
       
   199 	{
       
   200 	LOG_FUNC
       
   201 
       
   202 	// Get Device descriptor
       
   203 	TBuf8<KUsbDescSize_Device> deviceDescriptor;
       
   204 	TInt err(iClientDriver.GetDeviceDescriptor(deviceDescriptor));
       
   205 	if(err != KErrNone)
       
   206 		{
       
   207 		RDebug::Printf("<Error %d> Unable to obtain device descriptor",err);
       
   208 		}
       
   209 	else
       
   210 		{
       
   211 		// Set bcdUSB
       
   212 		TUint8* p = reinterpret_cast<TUint8*>(&aSpecification);
       
   213 		deviceDescriptor[KDevDescOffset_bcdUSB] = *p;
       
   214 		deviceDescriptor[KDevDescOffset_bcdUSB+1] = *(p+1);
       
   215 		
       
   216 		// Symbian currently supports only devices with one configuration by selecting the configurations
       
   217 		// that has the lowest power consumption
       
   218 		
       
   219 		deviceDescriptor[KDevDescOffset_bNumConfigurations] = 0x01;
       
   220 		
       
   221 		err = iClientDriver.SetDeviceDescriptor(deviceDescriptor);
       
   222 		if(err != KErrNone)
       
   223 			{
       
   224 			RDebug::Printf("<Error %d> Unable to set the device dsecriptor",err);
       
   225 			}
       
   226 		}
       
   227 	return err;
       
   228 	}
       
   229 
       
   230 
       
   231 TInt RUsbTestDevice::SetVendor(TUint16 aVendorId)
       
   232 	{
       
   233 	LOG_FUNC
       
   234 
       
   235 	// Get Device descriptor
       
   236 	TBuf8<KUsbDescSize_Device> deviceDescriptor;
       
   237 	TInt err(iClientDriver.GetDeviceDescriptor(deviceDescriptor));
       
   238 	if(err != KErrNone)
       
   239 		{
       
   240 		RDebug::Printf("<Error %d> Unable to obtain device descriptor",err);
       
   241 		}
       
   242 	else
       
   243 		{
       
   244 		// Set VID
       
   245 		TUint8* p = reinterpret_cast<TUint8*>(&aVendorId);
       
   246 		deviceDescriptor[KDevDescOffset_idVendor] = *p;
       
   247 		deviceDescriptor[KDevDescOffset_idVendor+1] = *(p+1);
       
   248 		
       
   249 		err = iClientDriver.SetDeviceDescriptor(deviceDescriptor);
       
   250 		if(err != KErrNone)
       
   251 			{
       
   252 			RDebug::Printf("<Error %d> Unable to set the device descriptor",err);
       
   253 			}
       
   254 		}
       
   255 	return err;
       
   256 	}
       
   257 
       
   258 
       
   259 TInt RUsbTestDevice::SetProduct(TUint16 aProductId,const TDesC16& aProductString,
       
   260 				const TDesC16& aManufacturerString,const TDesC16& aSerialNumberString)
       
   261 	{
       
   262 	LOG_FUNC
       
   263 
       
   264 	// Get Device descriptor
       
   265 	TBuf8<KUsbDescSize_Device> deviceDescriptor;
       
   266 	TInt err(iClientDriver.GetDeviceDescriptor(deviceDescriptor));
       
   267 	if(err != KErrNone)
       
   268 		{
       
   269 		RDebug::Printf("<Error %d> Unable to obtain device descriptor",err);
       
   270 		}
       
   271 	else
       
   272 		{
       
   273 		// Set PID
       
   274 		TUint8* p = reinterpret_cast<TUint8*>(&aProductId);
       
   275 		deviceDescriptor[KDevDescOffset_idProduct] = *p;
       
   276 		deviceDescriptor[KDevDescOffset_idProduct+1] = *(p+1);
       
   277 		
       
   278 		err = iClientDriver.SetDeviceDescriptor(deviceDescriptor);
       
   279 		if(err != KErrNone)
       
   280 			{
       
   281 			RDebug::Printf("<Error %d> Unable to set the device dsecriptor",err);
       
   282 			return err;
       
   283 			}
       
   284 		
       
   285 		RDebug::Printf("Product Identity set");
       
   286 	
       
   287 		// Product string
       
   288 		err = iClientDriver.SetProductStringDescriptor(aProductString);
       
   289 		if(err != KErrNone)
       
   290 			{
       
   291 			RDebug::Printf("<Error %d> Unable to set product string descriptor",err);
       
   292 			return err;
       
   293 			}
       
   294 
       
   295 		// Manufacturer string
       
   296 		err = iClientDriver.SetManufacturerStringDescriptor(aManufacturerString);
       
   297 		if(err != KErrNone)
       
   298 			{
       
   299 			RDebug::Printf("<Error %d> Unable to set the manufacturer string descriptor",err);
       
   300 			return err;
       
   301 			}
       
   302 	
       
   303 		// Serial number string
       
   304 		err = iClientDriver.SetSerialNumberStringDescriptor(aSerialNumberString);
       
   305 		if(err != KErrNone)
       
   306 			{
       
   307 			RDebug::Printf("<Error %d> Unable to set the serial number string descriptor",err);
       
   308 			return err;
       
   309 			}
       
   310 		}
       
   311 	return KErrNone;
       
   312 	}
       
   313 
       
   314 
       
   315 TInt RUsbTestDevice::SetConfigurationString(const TDesC16& aConfigString)
       
   316 	{
       
   317 	LOG_FUNC
       
   318 
       
   319 	TInt err(iClientDriver.SetConfigurationStringDescriptor(aConfigString));
       
   320 	if(err != KErrNone)
       
   321 		{
       
   322 		RDebug::Printf("<Error %d> Unable to set configuration string descriptor",err);
       
   323 		}
       
   324 	return err;
       
   325 	}
       
   326 
       
   327 
       
   328 void RUsbTestDevice::AddInterface(CInterfaceBase* aInterface)
       
   329 	{
       
   330 	LOG_FUNC
       
   331 		
       
   332 	// Add the interface to the device
       
   333 	TInt err = iInterfaces.Append(aInterface);
       
   334 	
       
   335 	if(err != KErrNone)
       
   336 		{
       
   337 		RDebug::Printf("<Error %d> Unable to add interface",err);
       
   338 		return ReportError(err);
       
   339 		}
       
   340 	}
       
   341 
       
   342 
       
   343 CInterfaceBase& RUsbTestDevice::Interface(TInt aIndex)
       
   344 	{
       
   345 	return *iInterfaces[aIndex];
       
   346 	}
       
   347 
       
   348 
       
   349 void RUsbTestDevice::SoftwareConnect()
       
   350 	{
       
   351 	LOG_FUNC
       
   352 	TInt err(iClientDriver.PowerUpUdc());
       
   353 	if((err != KErrNone) && (err != KErrNotReady))
       
   354 		{
       
   355 		RDebug::Printf("<Error %d> Power Up Udc",err);
       
   356 		ReportError(err);
       
   357 		}
       
   358 		
       
   359 	if(iDeviceCaps().iConnect) 
       
   360 		{
       
   361 		err = iClientDriver.DeviceConnectToHost();
       
   362 		if(err != KErrNone)
       
   363 			{
       
   364 			RDebug::Printf("<Error %d> Unable to connect to the host",err);
       
   365 			ReportError(err);
       
   366 			}
       
   367 		}
       
   368 	else
       
   369 		{
       
   370 		RDebug::Printf("Please connect device to Host");
       
   371 		}	
       
   372 	}   	
       
   373 	 
       
   374 void RUsbTestDevice::SoftwareDisconnect()
       
   375 	{
       
   376 	LOG_FUNC
       
   377 	
       
   378 	if(iDeviceCaps().iConnect) 
       
   379 		{
       
   380 		TInt err(iClientDriver.DeviceDisconnectFromHost());
       
   381 		if(err != KErrNone)
       
   382 			{
       
   383 			RDebug::Printf("<Error %d> Unable to disconnect from the host",err);
       
   384 			ReportError(err);
       
   385 			}
       
   386 		}
       
   387 	else
       
   388 		{
       
   389 		RDebug::Printf("Please disconnect device from Host");
       
   390 		}
       
   391 		
       
   392 	}       
       
   393 
       
   394 
       
   395 void RUsbTestDevice::RemoteWakeup()
       
   396 	{
       
   397 	LOG_FUNC
       
   398 	if(iDeviceCaps().iConnect) 
       
   399 		{
       
   400 		TInt err(iClientDriver.SignalRemoteWakeup());
       
   401 		if(err != KErrNone)
       
   402 			{
       
   403 			RDebug::Printf("<Error %d> Unable to perform a remote wakeup",err);
       
   404 			ReportError(err);
       
   405 			}
       
   406 		}
       
   407 	else
       
   408 		{
       
   409 		RDebug::Printf("remote wakeup not supported");
       
   410 		}
       
   411 	}
       
   412 
       
   413 
       
   414 TInt RUsbTestDevice::ProcessRequestL(TUint8 aRequest,TUint16 aValue,TUint16 aIndex,
       
   415 	TUint16 aDataReqLength,const TDesC8& aPayload)
       
   416 	{
       
   417 	LOG_FUNC
       
   418 	
       
   419 	if(aRequest == KVendorEmptyRequest)
       
   420 		{
       
   421 		// Handle an empty request (i.e. do nothing)
       
   422 		
       
   423 		AcknowledgeRequestReceived();
       
   424 		}
       
   425 	else if(aRequest == KVendorReconnectRequest)
       
   426 		{
       
   427 		// Handle a reconnect requests from the host
       
   428 		
       
   429 		AcknowledgeRequestReceived();
       
   430 		iConnectTimer->SoftwareReConnect(aValue);
       
   431 		}
       
   432 	else if(aRequest == KVendorDisconnectDeviceAThenConnectDeviceCRequest)
       
   433 		{
       
   434 		RDebug::Printf("**aRequest == KVendorDisconnectDeviceAThenConnectDeviceCRequest, this = 0x%08x", this);
       
   435 		// Handle a reconnect requests from the host		
       
   436 		AcknowledgeRequestReceived();			
       
   437 		
       
   438 		SoftwareDisconnect();	
       
   439 		User::After(1000000);
       
   440 		//	connect device C now	
       
   441 		CUT_PBASE_T_USBDI_0486* iTestCaseT_USBDI_0486 = reinterpret_cast<CUT_PBASE_T_USBDI_0486*>(iTestCase);
       
   442 		Close(); 		
       
   443 		
       
   444 		User::After(3000000);
       
   445 		iTestCaseT_USBDI_0486->TestDeviceC()->OpenL(KTestDeviceC_SN);		
       
   446 		// Connect the device to the host	
       
   447 		iTestCaseT_USBDI_0486->TestDeviceC()->SoftwareConnect();
       
   448 		return KErrAbort;
       
   449 		}
       
   450 	else if(aRequest == KVendorDisconnectDeviceCThenConnectDeviceARequest)
       
   451 		{
       
   452 		RDebug::Printf("**aRequest == KVendorDisconnectDeviceCThenConnectDeviceARequest, this = 0x%08x", this);
       
   453 		// Handle a reconnect requests from the host		
       
   454 		AcknowledgeRequestReceived();		
       
   455 		 
       
   456 		SoftwareDisconnect();	
       
   457 		User::After(1000000); 
       
   458 		 
       
   459 		//	connect device A now	
       
   460 		CUT_PBASE_T_USBDI_0486* iTestCaseT_USBDI_0486 = reinterpret_cast<CUT_PBASE_T_USBDI_0486*>(iTestCase);
       
   461 		
       
   462 		
       
   463 		Close();		
       
   464 		User::After(3000000); 		
       
   465 		iTestCaseT_USBDI_0486->Cancel();
       
   466 		iTestCaseT_USBDI_0486->HandleDeviceDConnection();
       
   467 		iTestCaseT_USBDI_0486->TestDeviceD()->OpenL(iTestCaseT_USBDI_0486->TestCaseId());	
       
   468 		
       
   469 		// Connect the device to the host	
       
   470 		iTestCaseT_USBDI_0486->TestDeviceD()->SoftwareConnect();	
       
   471 		return KErrAbort;
       
   472 		}		
       
   473 	else if(aRequest == KVendorTestCasePassed)
       
   474 		{ 
       
   475 		// Test case has completed successfully 
       
   476 		// so report to client test case that host is happy		
       
   477 		
       
   478 		AcknowledgeRequestReceived();
       
   479 		ReportError(KErrNone);
       
   480 		}
       
   481 	else if(aRequest == KVendorTestCaseFailed)
       
   482 		{
       
   483 		// The test case has failed, so report to client test case
       
   484 		// and display/log the error message
       
   485 		
       
   486 		AcknowledgeRequestReceived();
       
   487 		
       
   488 		HBufC16* msg = HBufC16::NewL(aPayload.Length());
       
   489 		msg->Des().Copy(aPayload);
       
   490 		RDebug::Printf("<Host> Test case failed: %S",msg);
       
   491 		delete msg;
       
   492 		msg = 0;
       
   493 		ReportError(-aValue);
       
   494 		}
       
   495 	else if(aRequest == KVendorRemoteWakeupRequest)
       
   496 		{
       
   497 		// Handle a remote wakeup request
       
   498 
       
   499 		AcknowledgeRequestReceived();
       
   500 		iWakeupTimer->WakeUp(aValue);
       
   501 		}
       
   502 	else if(aRequest == KVendorPutPayloadRequest)
       
   503 		{
       
   504 		// Handle a payload request from the host
       
   505 
       
   506 		AcknowledgeRequestReceived();
       
   507 		RDebug::Printf("Put payload");
       
   508 		if(aPayload.Compare(_L8("DEADBEEF")) != 0)
       
   509 			{
       
   510 			RDebug::Printf("<Error %d> Payload not as expected",KErrCorrupt);
       
   511 			ReportError(KErrCorrupt);
       
   512 			}
       
   513 		}
       
   514 	else if(aRequest == KVendorGetPayloadRequest)
       
   515 		{
       
   516 		// Handle a payload request to the host
       
   517 
       
   518 		RDebug::Printf("Get payload");
       
   519 		__ASSERT_DEBUG(iAuxBuffer, User::Panic(_L("Trying to write non-allocated buffer"), KErrGeneral));
       
   520 		RDebug::Printf("iAuxBuffer = ....");
       
   521 		RDebug::RawPrint(*iAuxBuffer);
       
   522 		RDebug::Printf("\n");
       
   523 		
       
   524 		//Perform synchronous write to EP0
       
   525 		//This allows the subsequent 'Read' request to
       
   526 		//take place
       
   527 		TInt ret = iDeviceEp0->SendDataSynchronous(*iAuxBuffer);
       
   528 		RDebug::Printf("Write (from device callback) executed with error %d", ret);
       
   529 		}
       
   530 	else if(aRequest == KVendorUnrespondRequest)
       
   531 		{
       
   532 		// Do not acknowledge this request
       
   533 		
       
   534 		RDebug::Printf("Unrespond request: continually NAK the host");
       
   535 		}
       
   536 	else if(aRequest == KVendorStallRequest)
       
   537 		{
       
   538 		// Stall the specified endpoint
       
   539 		
       
   540 		AcknowledgeRequestReceived();
       
   541 		RDebug::Printf("Stalling endpoint %d",aValue);
       
   542 						
       
   543 		}
       
   544 	else
       
   545 		{
       
   546 		// Maybe forward to derived classes
       
   547 		}
       
   548 	return KErrNone;
       
   549 	}
       
   550 
       
   551 
       
   552 void RUsbTestDevice::StateChangeL(TUsbcDeviceState aNewState,TInt aChangeCompletionCode)
       
   553 	{
       
   554 	LOG_FUNC
       
   555 	
       
   556 	RDebug::Printf("Client state change to %d err=%d",aNewState,aChangeCompletionCode);
       
   557 	
       
   558 	// Notify the test case of failed state change notification
       
   559 	
       
   560 	if(aChangeCompletionCode != KErrNone)
       
   561 		{
       
   562 		return ReportError(aChangeCompletionCode);
       
   563 		}
       
   564 	
       
   565 	// Check the state change
       
   566 	
       
   567 	if(iCurrentState == EUsbcDeviceStateConfigured)
       
   568 		{
       
   569 		// Device is already in a fully configured state
       
   570 		
       
   571 		if(aNewState == EUsbcDeviceStateConfigured)
       
   572 			{
       
   573 			// Do nothing as this is the current state anyway
       
   574 			}
       
   575 		else
       
   576 			{
       
   577 			// The is a state change from EUsbcDeviceStateConfigured to aNewState
       
   578 			// so stop reading from control ep0
       
   579 			
       
   580 			RDebug::Printf("Ignoring control ep0");
       
   581 			
       
   582 			// Stop reading ep0 directed requests
       
   583 			
       
   584 			StopEp0Reading();
       
   585 			
       
   586 			// Update state
       
   587 						
       
   588 			iCurrentState = aNewState;
       
   589 			}
       
   590 		}
       
   591 	else
       
   592 		{
       
   593 		// Device is not in a fully configured state
       
   594 		
       
   595 		if(aNewState == EUsbcDeviceStateConfigured)
       
   596 			{
       
   597 			// Device has now been placed into a fully configured state by the host
       
   598 			// so start reading from control ep0
       
   599 			
       
   600 			RDebug::Printf("Reading from control ep0");
       
   601 			
       
   602 			// Start reading ep0 directed requests
       
   603 			
       
   604 			StartEp0Reading();
       
   605 			
       
   606 			// Update state
       
   607 						
       
   608 			iCurrentState = aNewState;
       
   609 			}
       
   610 		else
       
   611 			{
       
   612 			// Just update the state
       
   613 			
       
   614 			iCurrentState = aNewState;
       
   615 			}
       
   616 		}
       
   617 				
       
   618 	// Forward the state change notification to derived classes
       
   619 	
       
   620 	OnStateChangeL(aNewState);
       
   621 	}
       
   622 	
       
   623 
       
   624 void RUsbTestDevice::StartEp0Reading()
       
   625 	{
       
   626 	LOG_FUNC
       
   627 
       
   628 	// Start reading device directed ep0 requests
       
   629 	
       
   630 	TInt err(iDeviceEp0->Start());
       
   631 	if(err != KErrNone)
       
   632 		{
       
   633 		return ReportError(err);
       
   634 		}
       
   635 		
       
   636 	// Start reading interface directed requests
       
   637 			
       
   638 	TInt interfaceCount(iInterfaces.Count());
       
   639 	for(TInt i=0; i<interfaceCount; i++)
       
   640 		{
       
   641 		iInterfaces[i]->StartEp0Reading();
       
   642 		}
       
   643 	}
       
   644 
       
   645 
       
   646 void RUsbTestDevice::StopEp0Reading()
       
   647 	{
       
   648 	LOG_FUNC
       
   649 
       
   650 	// Stop reading interface directed requests
       
   651 	
       
   652 	TInt interfaceCount(iInterfaces.Count());
       
   653 	for(TInt i=0; i<interfaceCount; i++)
       
   654 		{
       
   655 		iInterfaces[i]->StopEp0Reading();
       
   656 		}
       
   657 		
       
   658 	// Stop reading device directed requests from ep0
       
   659 			
       
   660 	TInt err(iDeviceEp0->Stop());
       
   661 	if(err != KErrNone)
       
   662 		{
       
   663 		return ReportError(err);
       
   664 		}
       
   665 	}
       
   666 
       
   667 
       
   668 void RUsbTestDevice::AcknowledgeRequestReceived()
       
   669 	{
       
   670 	LOG_FUNC
       
   671 	
       
   672 	TInt err(iDeviceEp0->Reader().Acknowledge());
       
   673 	RDebug::Printf("err = %d",err);
       
   674 	if(err != KErrNone)
       
   675 		{
       
   676 		ReportError(err);
       
   677 		}
       
   678 	}
       
   679 
       
   680 
       
   681 
       
   682 void RUsbTestDevice::ReportError(TInt aCompletionCode)
       
   683 	{
       
   684 	LOG_FUNC
       
   685 	RDebug::Printf("err or aCompletionCode = %d, observer status = %d, KRequestPending = %d",
       
   686 			aCompletionCode, iObserverStatus->Int(), KRequestPending);
       
   687 	if(*iObserverStatus == KRequestPending)
       
   688 		{
       
   689 		RDebug::Printf("In complete request");
       
   690 		User::RequestComplete(iObserverStatus,aCompletionCode);
       
   691 		}
       
   692 	}
       
   693 	
       
   694 
       
   695 	}
       
   696