1 /* |
|
2 * Copyright (c) 2008-2009 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: Switches personality |
|
15 * |
|
16 */ |
|
17 |
|
18 #include <e32base.h> |
|
19 #include <usb.h> |
|
20 #include <usbpersonalityids.h> |
|
21 |
|
22 #include "cusbpersonalityswitch.h" |
|
23 |
|
24 #include "panic.h" |
|
25 #include "debug.h" |
|
26 |
|
27 // --------------------------------------------------------------------------- |
|
28 // |
|
29 // --------------------------------------------------------------------------- |
|
30 // |
|
31 CUsbPersonalitySwitch::CUsbPersonalitySwitch( |
|
32 MUsbPersonalitySwitchObserver* aObserver) : |
|
33 CActive(CActive::EPriorityStandard), iObserver(aObserver), iState(EIdle) |
|
34 { |
|
35 CActiveScheduler::Add(this); |
|
36 } |
|
37 |
|
38 // --------------------------------------------------------------------------- |
|
39 // |
|
40 // --------------------------------------------------------------------------- |
|
41 // |
|
42 CUsbPersonalitySwitch::~CUsbPersonalitySwitch() |
|
43 { |
|
44 FLOG( _L( "[USBOTGWATCHER]\tCUsbPersonalitySwitch::~CUsbPersonalitySwitch" ) ); |
|
45 Cancel(); |
|
46 iUsbInterface.Close(); |
|
47 iSendData.Close(); |
|
48 iRcvData.Close(); |
|
49 } |
|
50 |
|
51 // --------------------------------------------------------------------------- |
|
52 // |
|
53 // --------------------------------------------------------------------------- |
|
54 // |
|
55 void CUsbPersonalitySwitch::ConstructL() |
|
56 { |
|
57 FLOG( _L( "[USBOTGWATCHER]\tCUsbPersonalitySwitch::ConstructL" ) ); |
|
58 } |
|
59 |
|
60 // --------------------------------------------------------------------------- |
|
61 // |
|
62 // --------------------------------------------------------------------------- |
|
63 // |
|
64 CUsbPersonalitySwitch* CUsbPersonalitySwitch::NewL( |
|
65 MUsbPersonalitySwitchObserver* aObserver) |
|
66 { |
|
67 FLOG( _L( "[USBOTGWATCHER]\tCUsbPersonalitySwitch::NewL" ) ); |
|
68 |
|
69 CUsbPersonalitySwitch* self = new (ELeave) CUsbPersonalitySwitch( |
|
70 aObserver); |
|
71 CleanupStack::PushL(self); |
|
72 self->ConstructL(); |
|
73 CleanupStack::Pop(self); // pop self |
|
74 return self; |
|
75 } |
|
76 |
|
77 // --------------------------------------------------------------------------- |
|
78 // |
|
79 // --------------------------------------------------------------------------- |
|
80 // |
|
81 TInt CUsbPersonalitySwitch::SwitchPersonalityL(TUint32 aDeviceId, |
|
82 TInt aPersonalityToBeSet) |
|
83 { |
|
84 FTRACE(FPrint(_L( "[USBOTGWATCHER]\tCUsbPersonalitySwitch::SwitchPersonality aDeviceId %d, aPersonalityToBeSet %d" ), aDeviceId, aPersonalityToBeSet)) |
|
85 |
|
86 if (IsActive() || EIdle != iState) |
|
87 { |
|
88 Cancel(); |
|
89 iObserver->UsbPersonalitySwitchStateChangedL( |
|
90 MUsbPersonalitySwitchObserver::ERequestCancelled, KErrNone); |
|
91 } |
|
92 |
|
93 // create usb interface for the device id |
|
94 TUint32 token(0); // = RFdc.InterfaceToken(); |
|
95 TInt err = iUsbInterface.Open(token); |
|
96 |
|
97 FTRACE(FPrint(_L("[USBOTGWATCHER]\tCUsbPersonalitySwitch::SwitchPersonality UsbInterface Open err = %d" ), err)); |
|
98 if (KErrNone != err) |
|
99 { |
|
100 return err; |
|
101 } |
|
102 |
|
103 iPersonalityToBeSet = aPersonalityToBeSet; |
|
104 |
|
105 // get list of supported personalities |
|
106 iTransfer.iRequestType = KUsbRequestType_DirToHost |
|
107 | KUsbRequestType_TypeVendor | KUsbRequestType_DestDevice; |
|
108 |
|
109 iTransfer.iRequest = KGetAllPersonalitiesReq; |
|
110 iTransfer.iValue = 0; |
|
111 iTransfer.iIndex = 0; |
|
112 iTransfer.iFlags |
|
113 = RUsbInterface::TUsbTransferRequestDetails::EShortTransferOk; |
|
114 |
|
115 Reset(); |
|
116 |
|
117 iState = EGetAllPersonalities; |
|
118 |
|
119 FLOG( _L( "[USBOTGWATCHER]\tCUsbPersonalitySwitch::SwitchPersonalityL Sending GetAllPersonalities request." ) ); |
|
120 iUsbInterface.Ep0Transfer(iTransfer, iSendData, iRcvData, iStatus); |
|
121 SetActive(); |
|
122 |
|
123 iObserver->UsbPersonalitySwitchStateChangedL( |
|
124 MUsbPersonalitySwitchObserver::ERequestingAllPersonalities, |
|
125 KErrNone); |
|
126 |
|
127 return KErrNone; |
|
128 } |
|
129 |
|
130 void CUsbPersonalitySwitch::CancelSwitchPersonalityL() |
|
131 { |
|
132 FLOG(_L( "[USBOTGWATCHER]\tCUsbPersonalitySwitch::CancelSwitchPersonalityL")); |
|
133 |
|
134 if (IsActive()) |
|
135 { |
|
136 Cancel(); |
|
137 iObserver->UsbPersonalitySwitchStateChangedL( |
|
138 MUsbPersonalitySwitchObserver::ERequestCancelled, KErrNone); |
|
139 } |
|
140 } |
|
141 |
|
142 // --------------------------------------------------------------------------- |
|
143 // |
|
144 // --------------------------------------------------------------------------- |
|
145 // |
|
146 void CUsbPersonalitySwitch::RunL() |
|
147 { |
|
148 |
|
149 if (KErrNone != iStatus.Int()) |
|
150 { |
|
151 FTRACE(FPrint(_L( "[USBOTGWATCHER]\tCUsbPersonalitySwitch::RunL iStatus %d" ), iStatus.Int())); |
|
152 User::Leave(iStatus.Int()); |
|
153 } |
|
154 |
|
155 switch (iState) |
|
156 { |
|
157 |
|
158 case EGetAllPersonalities: |
|
159 { |
|
160 FLOG(_L( "[USBOTGWATCHER]\tCUsbPersonalitySwitch::RunL GetAllPersonalities completed.")); |
|
161 |
|
162 TInt numOfPersonalities = iRcvData[KNumOfPersShift]; |
|
163 FTRACE(FPrint(_L("[USBOTGWATCHER]\tCUsbPersonalitySwitch::RunL Amount of personalities in peripheral = %d" ), numOfPersonalities)); |
|
164 |
|
165 // if no personalities then return |
|
166 if (0 == numOfPersonalities) |
|
167 { |
|
168 FLOG(_L( "[USBOTGWATCHER]\tCUsbPersonalitySwitch::RunL No personailies found in peripheral.")); |
|
169 Reset(); |
|
170 iObserver->UsbPersonalitySwitchStateChangedL( |
|
171 MUsbPersonalitySwitchObserver::EGetAllPersonalitiesCompleted, |
|
172 KErrNotFound); |
|
173 return; |
|
174 } |
|
175 |
|
176 // if needed pers already set, then return |
|
177 TInt currentPersonality = iRcvData[KCurrPersShift]; |
|
178 if (iPersonalityToBeSet == currentPersonality) |
|
179 { |
|
180 FLOG(_L( "[USBOTGWATCHER]\tCUsbPersonalitySwitch::RunL Needed personality already set in peripheral.")); |
|
181 Reset(); |
|
182 iObserver->UsbPersonalitySwitchStateChangedL( |
|
183 MUsbPersonalitySwitchObserver::EGetAllPersonalitiesCompleted, |
|
184 KErrInUse); |
|
185 return; |
|
186 } |
|
187 |
|
188 // check if device supports needed personality |
|
189 TInt count(0); |
|
190 while (count < numOfPersonalities && iPersonalityToBeSet |
|
191 != iRcvData[KFirstPersonalityIdShift |
|
192 + KLenghtOfPersonalityData * count]) |
|
193 { |
|
194 ++count; |
|
195 } |
|
196 |
|
197 if (count == numOfPersonalities) // not found == not supported |
|
198 { |
|
199 FLOG(_L( "[USBOTGWATCHER]\tCUsbPersonalitySwitch::RunL Peripheral does not support needed personality.")); |
|
200 Reset(); |
|
201 iObserver->UsbPersonalitySwitchStateChangedL( |
|
202 MUsbPersonalitySwitchObserver::EGetAllPersonalitiesCompleted, |
|
203 KErrNotFound); |
|
204 return; |
|
205 } |
|
206 |
|
207 iObserver->UsbPersonalitySwitchStateChangedL( |
|
208 MUsbPersonalitySwitchObserver::EGetAllPersonalitiesCompleted, |
|
209 KErrNone); |
|
210 |
|
211 // set personality |
|
212 iTransfer.iRequestType = KUsbRequestType_DirToDev |
|
213 | KUsbRequestType_TypeVendor | KUsbRequestType_DestDevice; |
|
214 |
|
215 iTransfer.iRequest = KSetPersonalityReq; |
|
216 iTransfer.iValue = iPersonalityToBeSet; |
|
217 iTransfer.iIndex = 0; |
|
218 iTransfer.iFlags |
|
219 = RUsbInterface::TUsbTransferRequestDetails::EShortTransferOk; |
|
220 |
|
221 iSendData.Close(); |
|
222 iRcvData.Close(); |
|
223 |
|
224 iState = ESetPersonality; |
|
225 |
|
226 FLOG( _L( "[USBOTGWATCHER]\tCUsbPersonalitySwitch::RunL Sending SetPersonality request." ) ); |
|
227 iUsbInterface.Ep0Transfer(iTransfer, iSendData, iRcvData, iStatus); |
|
228 SetActive(); |
|
229 iObserver->UsbPersonalitySwitchStateChangedL( |
|
230 MUsbPersonalitySwitchObserver::ERequestingSetPersonality, |
|
231 KErrNone); |
|
232 |
|
233 break; |
|
234 } |
|
235 case ESetPersonality: |
|
236 { |
|
237 FLOG(_L( "[USBOTGWATCHER]\tCUsbPersonalitySwitch::RunL SetPersonality completed.")); |
|
238 Reset(); |
|
239 iObserver->UsbPersonalitySwitchStateChangedL( |
|
240 MUsbPersonalitySwitchObserver::ESetPersonalityCompleted, |
|
241 KErrNone); |
|
242 |
|
243 break; |
|
244 } |
|
245 /* case EGetAllPersResult: |
|
246 { |
|
247 FLOG( "[USBOTGWATCHER]\tCUsbPersonalitySwitch::RunL GetAllPersResult completed."); |
|
248 |
|
249 break; |
|
250 } |
|
251 case EGetSetPersResult: |
|
252 { |
|
253 FLOG( "[USBOTGWATCHER]\tCUsbPersonalitySwitch::RunL GetSetPersResult completed."); |
|
254 |
|
255 break; |
|
256 } */ |
|
257 |
|
258 case EIdle: // do not break |
|
259 default: |
|
260 { |
|
261 Panic(EUnexpectedUsbSwitchPersonalityState); |
|
262 } |
|
263 } |
|
264 |
|
265 } |
|
266 |
|
267 // --------------------------------------------------------------------------- |
|
268 // |
|
269 // --------------------------------------------------------------------------- |
|
270 // |
|
271 TInt CUsbPersonalitySwitch::RunError(TInt aError) |
|
272 { |
|
273 FTRACE(FPrint(_L( "[USBOTGWATCHER]\tCUsbPersonalitySwitch::RunError aError %d" ), aError )); |
|
274 Reset(); |
|
275 TRAP_IGNORE (iObserver->UsbPersonalitySwitchStateChangedL( |
|
276 MUsbPersonalitySwitchObserver::ERequestFailed, aError) ); |
|
277 return KErrNone; |
|
278 } |
|
279 |
|
280 // --------------------------------------------------------------------------- |
|
281 // |
|
282 // --------------------------------------------------------------------------- |
|
283 // |
|
284 void CUsbPersonalitySwitch::DoCancel() |
|
285 { |
|
286 FLOG( _L( "[USBOTGWATCHER]\tCUsbPersonalitySwitch::DoCancel" ) ) |
|
287 |
|
288 iUsbInterface.CancelEP0Transfer(); |
|
289 Reset(); |
|
290 } |
|
291 |
|
292 void CUsbPersonalitySwitch::Reset() |
|
293 { |
|
294 FLOG( _L( "[USBOTGWATCHER]\tCUsbPersonalitySwitch::Reset" ) ) |
|
295 |
|
296 iState = EIdle; |
|
297 iSendData.Close(); |
|
298 iRcvData.Close(); |
|
299 } |
|