author | hgs |
Wed, 07 Jul 2010 15:08:54 +0800 | |
changeset 29 | 59aa7d6e3e0f |
parent 25 | 4ddb65515edd |
permissions | -rw-r--r-- |
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/* |
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* Copyright (c) 1997-2010 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: |
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* Adheres to the UsbMan USB Class Controller API and talks to C32 |
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* to manage the stub3.CSY that is used to provide a virtual |
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* serial port service to clients |
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* |
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*/ |
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/** |
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@file |
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*/ |
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#include <usb_std.h> |
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#include <es_ini.h> |
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#include <d32usbc.h> |
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#include "usbms_stub.h" |
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#include "UsbmanInternalConstants.h" |
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#include "OstTraceDefinitions.h" |
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#ifdef OST_TRACE_COMPILER_IN_USE |
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#include "usbms_stubTraces.h" |
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#endif |
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// Panic category |
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_LIT( Kstub3CcPanicCategory, "UsbstubCc" ); |
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/** |
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* Panic codes for the USB stub3 Class Controller. |
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*/ |
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enum Tstub3CcPanic |
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{ |
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/** Class called while in an illegal state */ |
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EBadApiCall = 0, |
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/** Asynchronous function called (not needed, as all requests complete synchronously) */ |
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EUnusedFunction = 1, |
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/** Error reading ini file. */ |
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EPanicBadIniFile = 2, |
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/** Bad value for the iNumberOfstub3Functions member.*/ |
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EPanicBadNumberOfstub3Functions = 3, |
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EPanicUnexpectedStatus, |
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EPanicUnexpectedState |
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}; |
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/** |
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* Constructs a CUsbstub3ClassController object |
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* |
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* @param aOwner USB Device that owns and manages the class |
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* |
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* @return A new CUsbstub3ClassController object |
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*/ |
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CUsbstub3ClassController* CUsbstub3ClassController::NewL( |
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MUsbClassControllerNotify& aOwner) |
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{ |
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CUsbstub3ClassController* r = new (ELeave) CUsbstub3ClassController(aOwner); |
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CleanupStack::PushL(r); |
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r->ConstructL(); |
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CleanupStack::Pop(); |
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return r; |
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} |
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/** |
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* Destructor |
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*/ |
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CUsbstub3ClassController::~CUsbstub3ClassController() |
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{ |
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Cancel(); |
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iTimer.Close(); |
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} |
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/** |
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* Constructor. |
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* |
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* @param aOwner USB Device that owns and manages the class |
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*/ |
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CUsbstub3ClassController::CUsbstub3ClassController( |
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MUsbClassControllerNotify& aOwner) |
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: CUsbClassControllerPlugIn(aOwner, Kstub3StartupPriority), |
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iStartDelay(Kstub3CCDefaultDelay), |
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iStopDelay(Kstub3CCDefaultDelay), |
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iFailToStart(EFalse), |
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iFailToStop(EFalse) |
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{ |
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iTimer.CreateLocal(); |
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} |
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/** |
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* 2nd Phase Construction. |
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111 |
*/ |
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112 |
void CUsbstub3ClassController::ConstructL() |
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113 |
{ |
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114 |
} |
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115 |
|
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116 |
/** |
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117 |
* Called by UsbMan when it wants to start the USB stub3 class. This always |
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118 |
* completes immediately. |
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119 |
* |
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* @param aStatus The caller's request status, filled in with an error code |
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121 |
*/ |
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void CUsbstub3ClassController::Start(TRequestStatus& aStatus) |
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123 |
{ |
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124 |
|
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125 |
aStatus = KRequestPending; |
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126 |
iReportStatus = &aStatus; |
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127 |
//If we are already started then just complete the request. |
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128 |
if (iState == EUsbServiceStarted) |
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129 |
{ |
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130 |
User::RequestComplete(iReportStatus, KErrNone); |
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131 |
return; |
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132 |
} |
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133 |
|
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134 |
if (iFailToStart) |
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135 |
{ |
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136 |
User::RequestComplete(iReportStatus, KErrGeneral); |
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137 |
return; |
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138 |
} |
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|
139 |
|
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140 |
iState = EUsbServiceStarting; |
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|
141 |
|
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|
142 |
iTimer.After(iStatus, iStartDelay*1000); //convert from usec to msec |
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143 |
SetActive(); |
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144 |
} |
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|
145 |
|
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146 |
/** |
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147 |
* Called by UsbMan when it wants to stop the USB stub3 class. |
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148 |
* |
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149 |
* @param aStatus The caller's request status: always set to KErrNone |
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150 |
*/ |
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151 |
void CUsbstub3ClassController::Stop(TRequestStatus& aStatus) |
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152 |
{ |
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|
153 |
|
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154 |
aStatus = KRequestPending; |
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155 |
iReportStatus = &aStatus; |
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|
156 |
//If we are already idle then just complete the request. |
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|
157 |
if (iState == EUsbServiceIdle) |
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158 |
{ |
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159 |
User::RequestComplete(iReportStatus, KErrNone); |
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160 |
return; |
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161 |
} |
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|
162 |
|
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|
163 |
if (iFailToStop) |
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164 |
{ |
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|
165 |
User::RequestComplete(iReportStatus, KErrGeneral); |
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|
166 |
return; |
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|
167 |
} |
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|
168 |
|
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|
169 |
iState = EUsbServiceStopping; |
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|
170 |
|
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|
171 |
|
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|
172 |
iTimer.After(iStatus, iStopDelay*1000); //convert from usec to msec |
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|
173 |
SetActive(); |
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Revision: 201001
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|
174 |
} |
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|
175 |
|
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|
176 |
/** |
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|
177 |
* Gets information about the descriptor which this class provides. |
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|
178 |
* |
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|
179 |
* @param aDescriptorInfo Descriptor info structure filled in by this function |
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|
180 |
*/ |
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Revision: 201001
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|
181 |
void CUsbstub3ClassController::GetDescriptorInfo(TUsbDescriptor& aDescriptorInfo) const |
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|
182 |
{ |
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|
183 |
|
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|
184 |
aDescriptorInfo.iLength = Kstub3DescriptorLength; |
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|
185 |
aDescriptorInfo.iNumInterfaces = Kstub3NumberOfInterfacesPerstub3Function; |
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|
186 |
} |
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Revision: 201001
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|
187 |
|
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|
188 |
|
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Revision: 201001
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|
189 |
/** |
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Revision: 201001
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|
190 |
* Standard active object RunL. |
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|
191 |
*/ |
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|
192 |
void CUsbstub3ClassController::RunL() |
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|
193 |
{ |
29 | 194 |
if(iStatus != KErrNone) |
195 |
{ |
|
196 |
OstTrace1( TRACE_FATAL, CUSBSTUB3CLASSCONTROLLER_RUNL, |
|
197 |
"CUsbstub3ClassController::RunL panic with error %d", |
|
198 |
EPanicUnexpectedState); |
|
199 |
||
200 |
__ASSERT_DEBUG(EFalse, User::Panic(Kstub3CcPanicCategory, EPanicUnexpectedStatus)); |
|
201 |
} |
|
202 |
||
0
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Revision: 201001
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|
203 |
switch (iState) |
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|
204 |
{ |
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Revision: 201001
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|
205 |
case EUsbServiceStarting: |
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Revision: 201001
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|
206 |
iState = EUsbServiceStarted; |
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Revision: 201001
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|
207 |
break; |
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Revision: 201001
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parents:
diff
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|
208 |
case EUsbServiceStopping: |
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Revision: 201001
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parents:
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|
209 |
iState = EUsbServiceIdle; |
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Revision: 201001
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
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diff
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|
210 |
break; |
29 | 211 |
default: |
212 |
OstTrace1( TRACE_FATAL, CUSBSTUB3CLASSCONTROLLER_RUNL_DUP1, |
|
213 |
"CUsbstub3ClassController::RunL panic with error %d", EPanicUnexpectedState); |
|
214 |
User::Panic(Kstub3CcPanicCategory,EPanicUnexpectedState); |
|
0
c9bc50fca66e
Revision: 201001
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|
215 |
} |
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Revision: 201001
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diff
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|
216 |
*iReportStatus = KErrNone; |
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Revision: 201001
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parents:
diff
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|
217 |
User::RequestComplete(iReportStatus, iStatus.Int()); |
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Revision: 201001
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|
218 |
} |
c9bc50fca66e
Revision: 201001
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parents:
diff
changeset
|
219 |
|
c9bc50fca66e
Revision: 201001
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|
220 |
/** |
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Revision: 201001
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|
221 |
* Standard active object cancellation function. Never called because this |
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Revision: 201001
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|
222 |
* class has no asynchronous requests. |
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Revision: 201001
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|
223 |
*/ |
c9bc50fca66e
Revision: 201001
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|
224 |
void CUsbstub3ClassController::DoCancel() |
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Revision: 201001
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diff
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|
225 |
{ |
c9bc50fca66e
Revision: 201001
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
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|
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if (IsActive()) |
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{ |
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iTimer.Cancel(); |
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} |
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switch (iState) |
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{ |
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case EUsbServiceStarting: |
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iState = EUsbServiceIdle; |
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break; |
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case EUsbServiceStopping: |
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iState = EUsbServiceStarted; |
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break; |
29 | 239 |
default: |
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OstTrace1( TRACE_FATAL, CUSBSTUB3CLASSCONTROLLER_DOCANCEL, |
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"CUsbstub3ClassController::DoCancel panic with error %d", |
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EPanicUnexpectedState); |
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User::Panic(Kstub3CcPanicCategory, EPanicUnexpectedState); |
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0
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} |
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*iReportStatus = KErrNone; |
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User::RequestComplete(iReportStatus, KErrCancel); |
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} |
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|
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/** |
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* Standard active object error function. Never called because this class has |
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* no asynchronous requests, and hence its RunL is never called. |
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* |
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* @param aError The error code (unused) |
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* @return Always KErrNone to avoid an active scheduler panic |
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*/ |
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TInt CUsbstub3ClassController::RunError(TInt /*aError*/) |
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{ |
29 | 258 |
OstTrace1( TRACE_FATAL, CUSBSTUB3CLASSCONTROLLER_RUNERROR, |
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"CUsbstub3ClassController::RunError panic with error %d", |
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EUnusedFunction); |
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__ASSERT_DEBUG( EFalse, User::Panic(Kstub3CcPanicCategory, EUnusedFunction)); |
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0
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return KErrNone; |
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} |
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|
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TInt CUsbstub3ClassController::SetUpInterface() |
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/** |
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* Set up the interface for use. This involves finding a "Interrupt IN" |
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* endpoint and, if found, configuring the interface. |
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*/ |
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{ |
25 | 271 |
return 0; |
0
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} |
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|
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|
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// |
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// End of file |