author | hgs |
Mon, 09 Aug 2010 09:08:10 +0300 | |
changeset 74 | 830546d5951a |
parent 47 | 878846f7623e |
child 27 | f6533aee8b2b |
child 93 | 2dc695882abd |
permissions | -rw-r--r-- |
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/* |
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* Copyright (c) 2008 Nokia Corporation and/or its subsidiary(-ies). |
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* All rights reserved. |
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* This component and the accompanying materials are made available |
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* under the terms of "Eclipse Public License v1.0" |
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* which accompanies this distribution, and is available |
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* at the URL "http://www.eclipse.org/legal/epl-v10.html". |
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* |
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* Initial Contributors: |
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* Nokia Corporation - initial contribution. |
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* |
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* Contributors: |
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* |
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* Description: Implementation |
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* |
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*/ |
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#include <usbuinotif.h> |
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#include <usbhosterrors.h> |
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#include "cusbotgwatcher.h" |
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#include "cusbstatehostainitiate.h" |
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#ifndef STIF |
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#include "cusbtimer.h" |
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#include "cusbnotifmanager.h" |
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#else |
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#include "mockcusbnotifmanager.h" |
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#include "mockcusbtimer.h" |
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#endif |
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#include "definitions.h" |
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#include "errors.h" |
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#include "debug.h" |
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#include "panic.h" |
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// --------------------------------------------------------------------------- |
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// |
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// --------------------------------------------------------------------------- |
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// |
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CUsbStateHostAInitiate::CUsbStateHostAInitiate(CUsbOtgWatcher& aWatcher) : |
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CUsbStateHostABase(aWatcher), iDeviceAttached(EFalse) |
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{ |
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} |
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// --------------------------------------------------------------------------- |
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// |
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// --------------------------------------------------------------------------- |
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// |
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void CUsbStateHostAInitiate::ConstructL() |
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{ |
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LOG_FUNC |
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CUsbStateHostABase::ConstructL(); |
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iAttachmentTimer = CUsbTimer::NewL(*this, EDeviceAttachmentTimer); |
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} |
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// --------------------------------------------------------------------------- |
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// |
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// --------------------------------------------------------------------------- |
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// |
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CUsbStateHostAInitiate* CUsbStateHostAInitiate::NewL(CUsbOtgWatcher& aWatcher) |
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{ |
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LOG_FUNC |
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CUsbStateHostAInitiate* self = new (ELeave) CUsbStateHostAInitiate( |
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aWatcher); |
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CleanupStack::PushL(self); |
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self->ConstructL(); |
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CleanupStack::Pop(self); |
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return self; |
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} |
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// --------------------------------------------------------------------------- |
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// |
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// --------------------------------------------------------------------------- |
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// |
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CUsbStateHostAInitiate::~CUsbStateHostAInitiate() |
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{ |
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LOG_FUNC |
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delete iAttachmentTimer; |
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} |
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// --------------------------------------------------------------------------- |
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// |
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// --------------------------------------------------------------------------- |
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// |
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TUsbStateIds CUsbStateHostAInitiate::Id() |
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{ |
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return EUsbStateHostAInitiate; |
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} |
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// --------------------------------------------------------------------------- |
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// |
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// --------------------------------------------------------------------------- |
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// |
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void CUsbStateHostAInitiate::JustBeforeLeavingThisStateL() |
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{ |
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LOG_FUNC |
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iAttachmentTimer->Cancel(); |
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// do general things |
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CUsbStateHostABase::JustBeforeLeavingThisStateL(); |
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} |
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// --------------------------------------------------------------------------- |
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// |
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// --------------------------------------------------------------------------- |
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// |
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void CUsbStateHostAInitiate::JustAdvancedToThisStateL() |
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{ |
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LOG_FUNC |
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// do general things |
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CUsbStateHostABase::JustAdvancedToThisStateL(); |
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// clear this attribute, and wait for attachment |
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// one attchment has to correspond to only one detachment |
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iDeviceAttached = EFalse; // to catch not corresponding Detachment, if any |
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TInt err = iWatcher.Usb().EnableFunctionDriverLoading(); |
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if (KErrNone != err) |
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{ |
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LOG1( "EnableFunctionDriverLoading err = %d", err ); |
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iWatcher.HandleHostProblemL(EUsbWatcherCanNotEnableDriverLoading, |
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EUsbStateHostHandleDropping); |
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return; |
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} |
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// do BusRequest, if down |
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if (CUsbVBusObserver::EVBusUp != iWatcher.VBusObserver()->VBus()) |
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{ |
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const TUint maxTrial = 3; |
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TInt busReqErr(KErrGeneral); |
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TUint count(0); |
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while (count < maxTrial && KErrNone != busReqErr) |
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{ |
46 | 145 |
busReqErr = iWatcher.Usb().BusRequest(); |
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LOG1( "BusRequest() busReqErr = %d" , busReqErr); |
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if (KErrNone != busReqErr) |
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{ |
46 | 150 |
err = iWatcher.Usb().BusClearError(); |
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if (KErrNone != err) |
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{ |
46 | 153 |
iWatcher.HandleHostProblemL( |
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EUsbWatcherCanNotClearBusError, |
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EUsbStateHostHandleDropping); |
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return; |
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} |
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} |
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159 |
++count; |
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160 |
} |
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if (KErrNone != busReqErr) |
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{ |
46 | 163 |
iWatcher.HandleHostProblemL(EUsbWatcherCanNotRaiseVBus, |
164 |
EUsbStateHostHandleDropping); |
|
0
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return; |
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166 |
} |
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} |
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168 |
|
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// start timer, waiting for device attachment |
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iAttachmentTimer->After(KTimeToWaitForDeviceAttachment); |
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171 |
|
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172 |
} |
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173 |
|
46 | 174 |
// From TimerObserver |
175 |
// --------------------------------------------------------------------------- |
|
176 |
// |
|
177 |
// --------------------------------------------------------------------------- |
|
178 |
// |
|
179 |
void CUsbStateHostAInitiate::TimerElapsedL(TUsbTimerId aTimerId) |
|
180 |
{ |
|
181 |
LOG_FUNC |
|
182 |
||
183 |
switch (aTimerId) |
|
184 |
{ |
|
185 |
case EDeviceAttachmentTimer: |
|
186 |
{ |
|
187 |
LOG("AttachmentTimer" ); |
|
188 |
HandleL(EUsbWatcherErrDandlingCable, EUsbStateHostHandleDropping); |
|
189 |
break; |
|
190 |
} |
|
191 |
default: |
|
192 |
{ |
|
193 |
LOG1( "Unknown timer id = %d", aTimerId ); |
|
47 | 194 |
PANIC( EWrongTimerId); |
46 | 195 |
} |
196 |
} |
|
197 |
} |
|
198 |
||
199 |
// From VBus observer |
|
200 |
// --------------------------------------------------------------------------- |
|
201 |
// |
|
202 |
// --------------------------------------------------------------------------- |
|
203 |
// |
|
204 |
void CUsbStateHostAInitiate::VBusUpL() |
|
205 |
{ |
|
206 |
LOG_FUNC |
|
207 |
} |
|
208 |
||
209 |
// From Host Event notification observer |
|
0
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210 |
// --------------------------------------------------------------------------- |
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211 |
// |
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diff
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|
212 |
// --------------------------------------------------------------------------- |
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213 |
// |
46 | 214 |
void CUsbStateHostAInitiate::DeviceAttachedL(TDeviceEventInformation aTdi) |
0
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215 |
{ |
46 | 216 |
LOG_FUNC |
217 |
||
47 | 218 |
iDeviceAttached = ETrue; |
46 | 219 |
iAttachmentTimer->Cancel(); |
220 |
||
221 |
// check if an OTG device connected |
|
222 |
TOtgDescriptor otgDescriptor; |
|
223 |
||
224 |
// ignore all the errors, assume we connected to not otg |
|
225 |
TInt err = iWatcher.Usb().GetOtgDescriptor(aTdi.iDeviceId, otgDescriptor); |
|
226 |
LOG1("GetOtgDescriptor() err = %d", err ); |
|
227 |
||
228 |
TBool hnpSupported(otgDescriptor.iAttributes & EUsbOtgHNPSupported); |
|
229 |
TBool srpSupported(otgDescriptor.iAttributes & EUsbOtgSRPSupported); |
|
230 |
||
231 |
// OTG device supports both hnp and srp |
|
232 |
if (hnpSupported && srpSupported) |
|
233 |
{ |
|
234 |
||
235 |
HandleL(EUsbWatcherConnectedToOTG, EUsbStateHostHandleDropping); |
|
236 |
return; |
|
237 |
} |
|
238 |
||
47 | 239 |
switch (aTdi.iError) |
240 |
// error in attachement |
|
46 | 241 |
{ |
47 | 242 |
case KErrNone: |
243 |
{ |
|
244 |
break; |
|
245 |
} |
|
246 |
case KErrUsbDeviceDetachedDuringDriverLoading: |
|
247 |
{ |
|
248 |
//do not show error, due to device is already detached |
|
249 |
// Device Detachment will not come after this (it was not attached yet) |
|
250 |
// therefore emulate detachment |
|
251 |
// content of aTdi is not important, due to detachment anyway |
|
252 |
DeviceDetachedL(aTdi); |
|
253 |
break; |
|
254 |
} |
|
255 |
case KErrBadPower: |
|
256 |
{ |
|
257 |
LOG( "TooMuchPower" ); |
|
258 |
HandleL(EUsbWatcherErrDeviceRequiresTooMuchPowerOnEnumeration, |
|
259 |
EUsbStateHostDelayNotAttachedHandle); |
|
260 |
break; |
|
261 |
} |
|
262 |
default: |
|
46 | 263 |
{ |
47 | 264 |
LOG1("AttachmentError aTdi.iError = %d" , aTdi.iError ); |
265 |
HandleL(EUsbWatcherErrUnsupportedDevice, |
|
266 |
EUsbStateHostHandleDropping); |
|
46 | 267 |
} |
47 | 268 |
} |
269 |
} |
|
46 | 270 |
|
47 | 271 |
// --------------------------------------------------------------------------- |
272 |
// |
|
273 |
// --------------------------------------------------------------------------- |
|
274 |
// |
|
275 |
void CUsbStateHostAInitiate::DeviceDetachedL(TDeviceEventInformation aTdi) |
|
276 |
{ |
|
277 |
LOG_FUNC |
|
278 |
||
279 |
// iDeviceAttached is used here to avoid one more state creation (init->attached->detached) |
|
280 |
// due to purpose of this state only to wait for drivers load |
|
281 |
if (!iDeviceAttached) |
|
282 |
{ |
|
283 |
PANIC(EDeviceDetachedNotExpected) |
|
46 | 284 |
} |
47 | 285 |
|
286 |
// go out, and go in to the same state |
|
287 |
ChangeHostStateL( EUsbStateHostAInitiate); |
|
0
1e05558e2206
Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
288 |
} |
46 | 289 |
|
290 |
// --------------------------------------------------------------------------- |
|
291 |
// |
|
292 |
// --------------------------------------------------------------------------- |
|
293 |
// |
|
294 |
void CUsbStateHostAInitiate::DriverLoadSuccessL(TDeviceEventInformation) |
|
295 |
{ |
|
296 |
LOG_FUNC |
|
297 |
ChangeHostStateL( EUsbStateHostAHost); |
|
298 |
} |
|
299 |
||
300 |
// --------------------------------------------------------------------------- |
|
301 |
// |
|
302 |
// --------------------------------------------------------------------------- |
|
303 |
// |
|
304 |
void CUsbStateHostAInitiate::DriverLoadPartialSuccessL( |
|
47 | 305 |
TDeviceEventInformation aDei) |
46 | 306 |
{ |
307 |
LOG_FUNC |
|
47 | 308 |
|
309 |
switch (aDei.iError) |
|
310 |
{ |
|
311 |
case KErrUsbDeviceDetachedDuringDriverLoading: |
|
312 |
{ |
|
313 |
//do not show warning, due to device is already detached |
|
314 |
break; |
|
315 |
} |
|
316 |
default: |
|
317 |
{ |
|
318 |
iWatcher.NotifManager()->ShowNotifierL(KUsbUiNotifOtgWarning, |
|
319 |
EUsbOtgPartiallySupportedDevice, NULL); |
|
320 |
} |
|
321 |
} |
|
46 | 322 |
ChangeHostStateL( EUsbStateHostAHost); |
323 |
||
324 |
} |
|
325 |
||
326 |
// --------------------------------------------------------------------------- |
|
327 |
// |
|
328 |
// --------------------------------------------------------------------------- |
|
329 |
// |
|
330 |
void CUsbStateHostAInitiate::DriverLoadFailureL(TDeviceEventInformation aDei) |
|
331 |
{ |
|
332 |
LOG_FUNC |
|
333 |
||
334 |
HandleL(EUsbWatcherErrDriversNotFound, EUsbStateHostDelayAttachedHandle); |
|
335 |
} |