1 /* |
|
2 * Copyright (c) 2008 Nokia Corporation and/or its subsidiary(-ies). |
|
3 * All rights reserved. |
|
4 * This component and the accompanying materials are made available |
|
5 * under the terms of "Eclipse Public License v1.0" |
|
6 * which accompanies this distribution, and is available |
|
7 * at the URL "http://www.eclipse.org/legal/epl-v10.html". |
|
8 * |
|
9 * Initial Contributors: |
|
10 * Nokia Corporation - initial contribution. |
|
11 * |
|
12 * Contributors: |
|
13 * |
|
14 * Description: Implementation |
|
15 * |
|
16 */ |
|
17 #include <usbuinotif.h> |
|
18 #include <usbhosterrors.h> |
|
19 |
|
20 #include "cusbotgwatcher.h" |
|
21 #include "cusbstatehostainitiate.h" |
|
22 |
|
23 #ifndef STIF |
|
24 #include "cusbtimer.h" |
|
25 #include "cusbnotifmanager.h" |
|
26 #else |
|
27 #include "mockcusbnotifmanager.h" |
|
28 #include "mockcusbtimer.h" |
|
29 #endif |
|
30 |
|
31 #include "definitions.h" |
|
32 #include "errors.h" |
|
33 |
|
34 #include "debug.h" |
|
35 #include "panic.h" |
|
36 |
|
37 // --------------------------------------------------------------------------- |
|
38 // |
|
39 // --------------------------------------------------------------------------- |
|
40 // |
|
41 CUsbStateHostAInitiate::CUsbStateHostAInitiate(CUsbOtgWatcher& aWatcher) : |
|
42 CUsbStateHostABase(aWatcher), iDeviceAttached(EFalse) |
|
43 { |
|
44 } |
|
45 |
|
46 // --------------------------------------------------------------------------- |
|
47 // |
|
48 // --------------------------------------------------------------------------- |
|
49 // |
|
50 void CUsbStateHostAInitiate::ConstructL() |
|
51 { |
|
52 LOG_FUNC |
|
53 |
|
54 CUsbStateHostABase::ConstructL(); |
|
55 |
|
56 iAttachmentTimer = CUsbTimer::NewL(*this, EDeviceAttachmentTimer); |
|
57 |
|
58 } |
|
59 |
|
60 // --------------------------------------------------------------------------- |
|
61 // |
|
62 // --------------------------------------------------------------------------- |
|
63 // |
|
64 CUsbStateHostAInitiate* CUsbStateHostAInitiate::NewL(CUsbOtgWatcher& aWatcher) |
|
65 { |
|
66 LOG_FUNC |
|
67 |
|
68 CUsbStateHostAInitiate* self = new (ELeave) CUsbStateHostAInitiate( |
|
69 aWatcher); |
|
70 CleanupStack::PushL(self); |
|
71 self->ConstructL(); |
|
72 CleanupStack::Pop(self); |
|
73 return self; |
|
74 } |
|
75 |
|
76 // --------------------------------------------------------------------------- |
|
77 // |
|
78 // --------------------------------------------------------------------------- |
|
79 // |
|
80 CUsbStateHostAInitiate::~CUsbStateHostAInitiate() |
|
81 { |
|
82 LOG_FUNC |
|
83 |
|
84 delete iAttachmentTimer; |
|
85 } |
|
86 |
|
87 // --------------------------------------------------------------------------- |
|
88 // |
|
89 // --------------------------------------------------------------------------- |
|
90 // |
|
91 TUsbStateIds CUsbStateHostAInitiate::Id() |
|
92 { |
|
93 return EUsbStateHostAInitiate; |
|
94 } |
|
95 |
|
96 // --------------------------------------------------------------------------- |
|
97 // |
|
98 // --------------------------------------------------------------------------- |
|
99 // |
|
100 void CUsbStateHostAInitiate::JustBeforeLeavingThisStateL() |
|
101 { |
|
102 LOG_FUNC |
|
103 |
|
104 iAttachmentTimer->Cancel(); |
|
105 |
|
106 // do general things |
|
107 CUsbStateHostABase::JustBeforeLeavingThisStateL(); |
|
108 } |
|
109 |
|
110 // --------------------------------------------------------------------------- |
|
111 // |
|
112 // --------------------------------------------------------------------------- |
|
113 // |
|
114 void CUsbStateHostAInitiate::JustAdvancedToThisStateL() |
|
115 { |
|
116 LOG_FUNC |
|
117 |
|
118 // do general things |
|
119 CUsbStateHostABase::JustAdvancedToThisStateL(); |
|
120 |
|
121 // clear this attribute, and wait for attachment |
|
122 // one attchment has to correspond to only one detachment |
|
123 iDeviceAttached = EFalse; // to catch not corresponding Detachment, if any |
|
124 |
|
125 TInt err = iWatcher.Usb().EnableFunctionDriverLoading(); |
|
126 |
|
127 if (KErrNone != err) |
|
128 { |
|
129 LOG1( "EnableFunctionDriverLoading err = %d", err ); |
|
130 iWatcher.HandleHostProblemL(EUsbWatcherCanNotEnableDriverLoading, |
|
131 EUsbStateHostHandleDropping); |
|
132 return; |
|
133 } |
|
134 |
|
135 // do BusRequest, if down |
|
136 |
|
137 if (CUsbVBusObserver::EVBusUp != iWatcher.VBusObserver()->VBus()) |
|
138 { |
|
139 const TUint maxTrial = 3; |
|
140 TInt busReqErr(KErrGeneral); |
|
141 TUint count(0); |
|
142 |
|
143 while (count < maxTrial && KErrNone != busReqErr) |
|
144 { |
|
145 busReqErr = iWatcher.Usb().BusRequest(); |
|
146 LOG1( "BusRequest() busReqErr = %d" , busReqErr); |
|
147 |
|
148 if (KErrNone != busReqErr) |
|
149 { |
|
150 err = iWatcher.Usb().BusClearError(); |
|
151 if (KErrNone != err) |
|
152 { |
|
153 iWatcher.HandleHostProblemL( |
|
154 EUsbWatcherCanNotClearBusError, |
|
155 EUsbStateHostHandleDropping); |
|
156 return; |
|
157 } |
|
158 } |
|
159 ++count; |
|
160 } |
|
161 if (KErrNone != busReqErr) |
|
162 { |
|
163 iWatcher.HandleHostProblemL(EUsbWatcherCanNotRaiseVBus, |
|
164 EUsbStateHostHandleDropping); |
|
165 return; |
|
166 } |
|
167 } |
|
168 |
|
169 // start timer, waiting for device attachment |
|
170 iAttachmentTimer->After(KTimeToWaitForDeviceAttachment); |
|
171 |
|
172 } |
|
173 |
|
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 ); |
|
194 PANIC( EWrongTimerId); |
|
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 |
|
210 // --------------------------------------------------------------------------- |
|
211 // |
|
212 // --------------------------------------------------------------------------- |
|
213 // |
|
214 void CUsbStateHostAInitiate::DeviceAttachedL(TDeviceEventInformation aTdi) |
|
215 { |
|
216 LOG_FUNC |
|
217 |
|
218 iDeviceAttached = ETrue; |
|
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 |
|
239 switch (aTdi.iError) |
|
240 // error in attachement |
|
241 { |
|
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: |
|
263 { |
|
264 LOG1("AttachmentError aTdi.iError = %d" , aTdi.iError ); |
|
265 HandleL(EUsbWatcherErrUnsupportedDevice, |
|
266 EUsbStateHostHandleDropping); |
|
267 } |
|
268 } |
|
269 } |
|
270 |
|
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) |
|
284 } |
|
285 |
|
286 // go out, and go in to the same state |
|
287 ChangeHostStateL( EUsbStateHostAInitiate); |
|
288 } |
|
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( |
|
305 TDeviceEventInformation aDei) |
|
306 { |
|
307 LOG_FUNC |
|
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 } |
|
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 } |
|