author | Pat Downey <patd@symbian.org> |
Wed, 01 Sep 2010 12:35:00 +0100 | |
branch | RCL_3 |
changeset 43 | 012cc2ee6408 |
parent 42 | f92a4f87e424 |
permissions | -rw-r--r-- |
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/* |
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* Copyright (c) 1997-2009 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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* |
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*/ |
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#include <e32std.h> |
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#include <e32base.h> |
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#include <e32svr.h> |
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#include <c32comm.h> |
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#include "CdcControlInterface.h" |
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#include "CdcControlInterfaceReader.h" |
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#include "ClassDescriptor.h" |
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#include "CdcAcmClass.h" |
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#include "AcmPanic.h" |
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#include "AcmUtils.h" |
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#include <usb/usblogger.h> |
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#ifdef __FLOG_ACTIVE |
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_LIT8(KLogComponent, "ECACM"); |
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#endif |
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CCdcControlInterface::CCdcControlInterface(const TUint8 aProtocolNum, const TDesC16& aIfcName) |
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/** |
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* Constructor using interface name. |
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* @param aProtocolNum Contains the Table 17 protocol number. |
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* @param aIfcName contains the interface name |
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*/ |
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: CCdcInterfaceBase(aIfcName), |
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iSerialState(0xFFFF), |
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iProtocolNum(aProtocolNum) |
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{ |
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} |
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CCdcControlInterface* CCdcControlInterface::NewL(CCdcAcmClass& aParent, const TUint8 aProtocolNum, const TDesC16& aIfcName) |
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/** |
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* Create a new CCDCCommClass object and construct it using interface name |
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* This call will return an object with a valid USB configuration |
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* |
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* @param aParent Pointer to the Port using this object |
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* @param aProtocolNum contains the Table 17 protocol number. |
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* @param aIfcName Contains the interface name |
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* @return A pointer to the new object |
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*/ |
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{ |
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LOG_STATIC_FUNC_ENTRY |
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LOGTEXT2(_L("\tControl Ifc Name = %S"), &aIfcName); |
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CCdcControlInterface* self = new(ELeave) CCdcControlInterface(aProtocolNum, aIfcName); |
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CleanupStack::PushL(self); |
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self->ConstructL(aParent); |
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CLEANUPSTACK_POP(self); |
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return self; |
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} |
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void CCdcControlInterface::ConstructL(CCdcAcmClass& aParent) |
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/** |
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* 2nd-phase construction. |
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* This call registers the object with the USB device driver |
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* |
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* @param aParent The ACM class. |
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*/ |
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{ |
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BaseConstructL(); |
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iReader = CCdcControlInterfaceReader::NewL(aParent, iLdd); |
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LOGTEXT2(_L8("\tcreated CdcControlInterface iProtocolNum = %d"), iProtocolNum); |
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} |
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TInt CCdcControlInterface::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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{ |
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LOGTEXT(_L8(">>CCdcControlInterface::SetUpInterface")); |
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TUsbDeviceCaps dCaps; |
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TInt ret = iLdd.DeviceCaps(dCaps); |
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LOGTEXT(_L8("\tchecking result of DeviceCaps")); |
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if ( ret ) |
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{ |
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LOGTEXT2(_L8("<<CCdcControlInterface::SetUpInterface ret=%d"), ret); |
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return ret; |
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} |
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const TUint KRequiredNumberOfEndpoints = 1; // in addition to endpoint 0. |
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const TUint totalEndpoints = static_cast<TUint>(dCaps().iTotalEndpoints); |
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LOGTEXT2(_L8("\tiTotalEndpoints = %d"), totalEndpoints); |
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if ( totalEndpoints < KRequiredNumberOfEndpoints ) |
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{ |
43 | 106 |
LOGTEXT2(_L8("<<CCdcControlInterface::SetUpInterface ret=%d"), |
107 |
KErrGeneral); |
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return KErrGeneral; |
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} |
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110 |
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// Endpoints |
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TUsbcEndpointData data[KUsbcMaxEndpoints]; |
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TPtr8 dataptr(reinterpret_cast<TUint8*>(data), sizeof(data), sizeof(data)); |
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ret = iLdd.EndpointCaps(dataptr); |
43 | 115 |
LOGTEXT(_L8("\tchecking result of EndpointCaps")); |
0
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116 |
if ( ret ) |
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117 |
{ |
43 | 118 |
LOGTEXT2(_L8("<<CCdcControlInterface::SetUpInterface ret=%d"), ret); |
0
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119 |
return ret; |
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120 |
} |
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121 |
|
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// Set the active interface |
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123 |
TUsbcInterfaceInfoBuf ifc; |
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TBool epFound = EFalse; |
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for ( TUint i = 0 ; i < totalEndpoints ; i++ ) |
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126 |
{ |
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const TUsbcEndpointCaps* caps = &data[i].iCaps; |
43 | 128 |
__ASSERT_DEBUG(caps, |
129 |
_USB_PANIC(KAcmPanicCat, EPanicInternalError)); |
|
0
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130 |
|
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131 |
if (data[i].iInUse) |
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132 |
{ |
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133 |
continue; |
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134 |
} |
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135 |
|
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if ((caps->iTypesAndDir & (KUsbEpTypeInterrupt | KUsbEpDirIn)) == |
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(KUsbEpTypeInterrupt | KUsbEpDirIn)) |
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138 |
{ |
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// EEndpoint1 is interrupt endpoint |
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ifc().iEndpointData[0].iType = KUsbEpTypeInterrupt; |
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ifc().iEndpointData[0].iDir = KUsbEpDirIn; |
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142 |
|
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//get the max packet size it can potentially support |
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//it's possible that it can support Isoch (1023) which is greater |
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//than max for Int at 64 |
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TInt maxSize = Min(caps->MaxPacketSize(), KMaxPacketTypeInterrupt); |
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147 |
|
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ifc().iEndpointData[0].iSize = maxSize; |
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149 |
|
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ifc().iEndpointData[0].iInterval = KPollInterval; |
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epFound = ETrue; |
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152 |
break; |
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153 |
} |
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154 |
} |
43 | 155 |
LOGTEXT(_L8("\tchecking epFound")); |
0
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156 |
if ( !epFound ) |
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157 |
{ |
43 | 158 |
LOGTEXT2(_L8("<<CCdcControlInterface::SetUpInterface ret=%d"), |
159 |
KErrGeneral); |
|
0
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return KErrGeneral; |
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161 |
} |
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162 |
|
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163 |
ifc().iString = &iIfcName; |
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ifc().iTotalEndpointsUsed = KRequiredNumberOfEndpoints; |
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// Codes taken from USBCDC 1.1. |
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ifc().iClass.iClassNum = 0x02; // Table 15- Communication Interface Class |
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ifc().iClass.iSubClassNum = 0x02; // Table 16- Abstract Control Model |
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ifc().iClass.iProtocolNum = iProtocolNum; // Table 17 |
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169 |
|
43 | 170 |
LOGTEXT(_L8("\tabout to call SetInterface")); |
0
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171 |
// Zero effectively indicates that alternate interfaces are not used. |
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172 |
ret = iLdd.SetInterface(0, ifc); |
43 | 173 |
|
174 |
LOGTEXT2(_L8("<<CCdcControlInterface::SetUpInterface ret=%d"), ret); |
|
0
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175 |
return ret; |
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176 |
} |
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177 |
|
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TInt CCdcControlInterface::SetupClassSpecificDescriptor( |
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TUint8 aDataInterfaceNumber) |
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180 |
/** |
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* Setup the Class Descriptors |
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182 |
* |
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* @param aDataInterfaceNumber The interface number of the data class |
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184 |
* @return Error. |
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185 |
*/ |
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186 |
{ |
43 | 187 |
LOG_FUNC |
188 |
LOGTEXT2(_L8("\taDataInterfaceNumber = %d"), aDataInterfaceNumber); |
|
0
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189 |
|
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190 |
TInt res; |
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191 |
|
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192 |
TUsbCsClassDescriptor descriptor; |
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193 |
|
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194 |
// Header Functional Descriptor- table 26 |
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descriptor.iHdrSize = 0x05; // bFunctionLength |
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196 |
descriptor.iHdrType = 0x24; // bDescriptorType- CS_INTERFACE |
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197 |
descriptor.iHdrSubType = 0x00; // Table 25- Header FD |
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descriptor.iHdrBcdCDC = 0x0110; // release number |
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199 |
|
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200 |
// Abstract Control Management Functional Descriptor- table 28 |
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201 |
descriptor.iAcmSize = 0x04; // bFunctionLength |
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202 |
descriptor.iAcmType = 0x24; // bDescriptorType- CS_INTERFACE |
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203 |
descriptor.iAcmSubType = 0x02; // Table 25- ACM FD |
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204 |
descriptor.iAcmCapabilities = 0x0f; // capabilities- all |
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205 |
|
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206 |
// Union functional descriptor- table 33 |
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207 |
descriptor.iUnSize = 0x05; // bFunctionLength |
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208 |
descriptor.iUnType = 0x24; // bDescriptorType- CS_INTERFACE |
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209 |
descriptor.iUnSubType = 0x06; // Table 25- Union FD |
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210 |
// Set the control interface as the master... |
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211 |
res = GetInterfaceNumber(descriptor.iUnMasterInterface); |
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212 |
// ... and the data interface as the slave. |
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213 |
descriptor.iUnSlaveInterface = aDataInterfaceNumber; |
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214 |
|
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215 |
#if defined(DISABLE_ACM_CF_COUNTRY_SETTING) |
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216 |
|
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217 |
// no functional descriptor needed |
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218 |
|
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219 |
#elif defined(ENABLE_ACM_CF_COUNTRY_SETTING) |
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220 |
|
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221 |
// CDC Country Selection Functional Descriptor |
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222 |
descriptor.iCsSize = 0x04 + (0x02*KUsbCommNumCountries); // bFunctionLength |
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223 |
descriptor.iCsType = 0x24; // bDescriptorType- CS_INTERFACE |
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224 |
descriptor.iCsSubType = 0x07; // Table 25- Country Selection FD |
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225 |
descriptor.iCsRelDate = 0x07; // Release date of ISO3166 country codes. |
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descriptor.iCsCountryCode[0] = KUsbCommCountryCode0; // Country cide |
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|
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#endif |
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|
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if ( res ) |
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{ |
43 | 232 |
LOGTEXT2(_L8("\t***GetInterfaceNumber=%d"), res); |
0
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return res; |
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} |
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|
43 | 236 |
LOGTEXT(_L8("\tabout to call SetCSInterfaceDescriptorBlock")); |
0
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res = iLdd.SetCSInterfaceDescriptorBlock(0, descriptor.Des()); |
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if ( res ) |
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{ |
43 | 240 |
LOGTEXT2(_L8("\t***SetCSInterfaceDescriptorBlock=%d"), res); |
0
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return res; |
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} |
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|
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return KErrNone; |
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} |
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|
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CCdcControlInterface::~CCdcControlInterface() |
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/** |
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* Destructor |
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*/ |
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{ |
43 | 252 |
LOG_FUNC |
253 |
||
0
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delete iReader; |
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} |
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|
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/** |
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* Special data object used to send a NETWORK_CONNECTION notification |
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* up to the (USB) Host, using whatever size is available on the |
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* control endpoint (derived in the driver below) |
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*/ |
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const TUint KUSBNotificationNetworkConnectionSize = 8; |
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|
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NONSHARABLE_CLASS(TUSBNotificationNetworkConnection) |
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{ |
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public: |
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TUint8 bmRequestType; ///< Request type |
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TUint8 bNotification; ///< Notification number |
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TUint16 wValue; ///< Notification value |
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TUint16 wIndex; ///< Notification index |
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TUint16 wLength; ///< Notification length |
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public: |
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TDes8& PackBuffer(); |
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|
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private: |
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TBuf8<KUSBNotificationNetworkConnectionSize> iBuffer; |
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}; |
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|
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TDes8& TUSBNotificationNetworkConnection::PackBuffer() |
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/** |
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* This function packs the TUSBNotificationSerialState class into a |
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* byte buffer with the correct byte alignment for transmission on |
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* the little-endian USB bus. |
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*/ |
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{ |
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iBuffer.SetLength(KUSBNotificationNetworkConnectionSize); |
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|
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iBuffer[0] = bmRequestType; |
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iBuffer[1] = bNotification; |
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iBuffer[2] = static_cast<TUint8>( wValue & 0x00ff); |
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iBuffer[3] = static_cast<TUint8>((wValue & 0xff00) >> 8); |
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iBuffer[4] = static_cast<TUint8>( wIndex & 0x00ff); |
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iBuffer[5] = static_cast<TUint8>((wIndex & 0xff00) >> 8); |
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iBuffer[6] = static_cast<TUint8>( wLength & 0x00ff); |
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iBuffer[7] = static_cast<TUint8>((wLength & 0xff00) >> 8); |
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|
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return iBuffer; |
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} |
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|
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TInt CCdcControlInterface::SendNetworkConnection(TBool aValue) |
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/** |
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* Sends a Network Connection message to the host. |
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* Note that this function has not been tested. It is included for |
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* completeness as it may need to be used in modem (DCE) mode. However, it is |
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* unclear how a C32 client would indicate to the CSY that a network |
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* connection had been established. |
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* |
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* @param aValue ETrue if Network Connected |
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* @return Error. |
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*/ |
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{ |
43 | 312 |
LOGTEXT2(_L8(">>CCdcControlInterface::SendNetworkConnection aValue=%d"), |
313 |
aValue); |
|
0
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|
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// form the message and prime it down to the interrupt handler |
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// (that is 'interrupt' in the USB sense) |
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|
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// Note that this does not need to be aware of endian-ness, this |
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// is taken care of in the PackBuffer() function. |
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TUSBNotificationNetworkConnection notification; |
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321 |
|
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notification.bmRequestType = 0xA1; |
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notification.bNotification = 0x00; // NETWORK_CONNECTION |
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notification.wValue = static_cast<TUint16>((aValue)?0x0001:0x0000); //1 - connected, 0 - disconnected |
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notification.wIndex = static_cast<TUint16>((aValue)?0x0001:0x0000); |
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notification.wLength = 0x00; |
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|
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TInt ret = WriteData(EEndpoint1, |
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notification.PackBuffer(), |
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notification.PackBuffer().Length()); |
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|
43 | 332 |
LOGTEXT2(_L8("<<CCdcControlInterface::SendNetworkConnection ret=%d"), ret); |
0
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return ret; |
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} |
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335 |
|
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336 |
/** |
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* Special data object used to send a SERIAL_STATE notification |
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* up to the (USB) Host, using whatever size is available on the |
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* control endpoint (derived in the driver below) |
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340 |
*/ |
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const TUint KUSBNotificationSerialStateSize = 10; |
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342 |
|
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NONSHARABLE_CLASS(TUSBNotificationSerialState) |
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344 |
{ |
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345 |
public: |
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|
346 |
TUint8 bmRequestType; ///< Request type |
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347 |
TUint8 bNotification; ///< Notification number |
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348 |
TUint16 wValue; ///< Notification value |
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349 |
TUint16 wIndex; ///< Notification index |
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TUint16 wLength; ///< Notification length |
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TUint16 wData; ///< 2-byte data payload |
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352 |
public: |
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353 |
TDes8& PackBuffer(); |
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354 |
|
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355 |
private: |
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356 |
TBuf8<KUSBNotificationSerialStateSize> iBuffer; |
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357 |
}; |
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358 |
|
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TDes8& TUSBNotificationSerialState::PackBuffer() |
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360 |
/** |
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* This function packs the TUSBNotificationSerialState class into a |
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* byte buffer with the correct byte alignment for transmission on |
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* the little-endian USB bus. |
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364 |
*/ |
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365 |
{ |
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366 |
iBuffer.SetLength(KUSBNotificationSerialStateSize); |
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367 |
|
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iBuffer[0] = bmRequestType; |
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iBuffer[1] = bNotification; |
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370 |
iBuffer[2] = static_cast<TUint8>( wValue & 0x00ff); |
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|
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iBuffer[3] = static_cast<TUint8>((wValue & 0xff00) >> 8); |
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|
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iBuffer[4] = static_cast<TUint8>( wIndex & 0x00ff); |
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|
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iBuffer[5] = static_cast<TUint8>((wIndex & 0xff00) >> 8); |
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|
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iBuffer[6] = static_cast<TUint8>( wLength & 0x00ff); |
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|
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iBuffer[7] = static_cast<TUint8>((wLength & 0xff00) >> 8); |
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|
376 |
iBuffer[8] = static_cast<TUint8>( wData & 0x00ff); |
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|
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iBuffer[9] = static_cast<TUint8>((wData & 0xff00) >> 8); |
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|
378 |
|
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|
379 |
return iBuffer; |
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|
380 |
} |
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|
381 |
|
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|
382 |
TInt CCdcControlInterface::SendSerialState(TBool aOverRun, |
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383 |
TBool aParity, |
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384 |
TBool aFraming, |
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385 |
TBool aRing, |
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386 |
TBool aBreak, |
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387 |
TBool aTxCarrier, |
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388 |
TBool aRxCarrier) |
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|
389 |
/** |
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390 |
* Sends a Serial State message to the host |
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391 |
* |
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* @param aOverRun True if data discarded due to overrun |
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* @param aParity True if a parity error has occured |
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* @param aFraming True if a framing error has occured |
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* @param aRing True if the device is Ringing |
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* @param aBreak True if the device is detecting a break condition |
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* @param aTxCarrier True if the transmit carrier is present |
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* @param aRxCarrier True if the receive carrier is present |
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* @return Error. |
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400 |
*/ |
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|
401 |
{ |
43 | 402 |
LOG_FUNC |
403 |
LOGTEXT2(_L8("\taOverRun=%d"), aOverRun); |
|
404 |
LOGTEXT2(_L8("\taParity=%d"), aParity); |
|
405 |
LOGTEXT2(_L8("\taFraming=%d"), aFraming); |
|
406 |
LOGTEXT2(_L8("\taRing=%d"), aRing); |
|
407 |
LOGTEXT2(_L8("\taBreak=%d"), aBreak); |
|
408 |
LOGTEXT2(_L8("\taTxCarrier=%d"), aTxCarrier); |
|
409 |
LOGTEXT2(_L8("\taRxCarrier=%d"), aRxCarrier); |
|
0
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|
410 |
|
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|
411 |
// First work out what might need to be sent by assembling the bits into |
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// the correct places. See CDC spec table 69 (UART state bitmap values). |
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|
413 |
TUint16 data = static_cast<TUint16> |
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|
414 |
( |
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|
415 |
(aRxCarrier ) | |
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416 |
(aTxCarrier << 1) | |
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417 |
(aBreak << 2) | |
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418 |
(aRing << 3) | |
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(aFraming << 4) | |
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420 |
(aParity << 5) | |
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421 |
(aOverRun << 6) |
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|
422 |
); |
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|
423 |
|
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|
424 |
// now check to see if this has created a different state than |
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|
425 |
// last time it was sent, if it is the same, don't bother to |
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|
426 |
// send it off. |
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|
427 |
if ( data == iSerialState ) |
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|
428 |
{ |
43 | 429 |
LOGTEXT(_L8("\tdata == iSerialState")); |
0
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|
430 |
return KErrNone; |
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Revision: 201001
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|
431 |
} |
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|
432 |
|
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|
433 |
// state is different, store local to the class object ready for |
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Revision: 201001
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|
434 |
// testing next time through |
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Revision: 201001
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|
435 |
iSerialState = data; |
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|
436 |
|
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|
437 |
// now form the message and prime it down to the interrupt handler |
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Revision: 201001
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|
438 |
// (that is 'interrupt' in the USB sense) |
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diff
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|
439 |
|
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|
440 |
// Note that this does not need to be aware of endian-ness, this |
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Revision: 201001
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|
441 |
// is taken care of in the PackBuffer() function. |
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Revision: 201001
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diff
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|
442 |
TUSBNotificationSerialState notification; |
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Revision: 201001
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diff
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|
443 |
|
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Revision: 201001
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parents:
diff
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|
444 |
notification.bmRequestType = 0xA1; |
c9bc50fca66e
Revision: 201001
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
445 |
notification.bNotification = 0x20; // SERIAL_STATE |
c9bc50fca66e
Revision: 201001
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
446 |
notification.wValue = 0x0000; |
c9bc50fca66e
Revision: 201001
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
447 |
notification.wIndex = 0x0000; |
c9bc50fca66e
Revision: 201001
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
448 |
notification.wLength = 0x0002; |
c9bc50fca66e
Revision: 201001
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
449 |
notification.wData = data; |
c9bc50fca66e
Revision: 201001
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
450 |
|
c9bc50fca66e
Revision: 201001
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
451 |
TInt ret = WriteData( EEndpoint1, |
c9bc50fca66e
Revision: 201001
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
452 |
notification.PackBuffer(), |
c9bc50fca66e
Revision: 201001
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
453 |
notification.PackBuffer().Length()); |
43 | 454 |
LOGTEXT2(_L8("\tWriteData = %d"), ret); |
455 |
||
0
c9bc50fca66e
Revision: 201001
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
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|
456 |
return ret; |
c9bc50fca66e
Revision: 201001
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
457 |
} |
c9bc50fca66e
Revision: 201001
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
458 |
|
c9bc50fca66e
Revision: 201001
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
459 |
TInt CCdcControlInterface::WriteData(TEndpointNumber aEndPoint, |
c9bc50fca66e
Revision: 201001
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
460 |
TDes8& aDes, |
c9bc50fca66e
Revision: 201001
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
461 |
TInt aLength) |
c9bc50fca66e
Revision: 201001
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
462 |
/** |
c9bc50fca66e
Revision: 201001
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
463 |
* |
c9bc50fca66e
Revision: 201001
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
464 |
* |
c9bc50fca66e
Revision: 201001
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
465 |
* @param aEndPoint |
c9bc50fca66e
Revision: 201001
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
466 |
* @param aDes |
c9bc50fca66e
Revision: 201001
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
467 |
* @param aLength |
c9bc50fca66e
Revision: 201001
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
468 |
*/ |
c9bc50fca66e
Revision: 201001
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
469 |
{ |
43 | 470 |
LOG_FUNC |
471 |
LOGTEXT2(_L8("\taEndpoint=%d"), aEndPoint); |
|
0
c9bc50fca66e
Revision: 201001
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
472 |
|
c9bc50fca66e
Revision: 201001
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
473 |
TInt ret; |
c9bc50fca66e
Revision: 201001
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
474 |
RTimer timer; |
c9bc50fca66e
Revision: 201001
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
475 |
ret = timer.CreateLocal(); |
c9bc50fca66e
Revision: 201001
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
476 |
if ( ret ) |
c9bc50fca66e
Revision: 201001
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
477 |
{ |
43 | 478 |
LOGTEXT2(_L8("\ttimer.CreateLocal = %d- returning"), ret); |
0
c9bc50fca66e
Revision: 201001
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
479 |
return ret; |
c9bc50fca66e
Revision: 201001
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
480 |
} |
c9bc50fca66e
Revision: 201001
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
481 |
TRequestStatus status; |
c9bc50fca66e
Revision: 201001
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
482 |
TRequestStatus timerStatus; |
43 | 483 |
LOGTEXT(_L8("\tAttempting to write data to control interface")); |
0
c9bc50fca66e
Revision: 201001
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
484 |
iLdd.Write(status, aEndPoint, aDes, aLength); |
c9bc50fca66e
Revision: 201001
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
485 |
timer.After(timerStatus, KWriteDataTimeout); |
c9bc50fca66e
Revision: 201001
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
486 |
User::WaitForRequest(status, timerStatus); |
c9bc50fca66e
Revision: 201001
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
487 |
if ( timerStatus != KRequestPending ) |
c9bc50fca66e
Revision: 201001
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
488 |
{ |
c9bc50fca66e
Revision: 201001
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
489 |
// Timeout occurred, silently ignore error condition. |
c9bc50fca66e
Revision: 201001
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
490 |
// Assuming that the line has been disconnected |
43 | 491 |
LOGTEXT(_L8("CCdcControlInterface::WriteData() - Timeout occurred")); |
0
c9bc50fca66e
Revision: 201001
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
492 |
iLdd.WriteCancel(aEndPoint); |
c9bc50fca66e
Revision: 201001
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
493 |
User::WaitForRequest(status); |
c9bc50fca66e
Revision: 201001
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
494 |
ret = timerStatus.Int(); |
c9bc50fca66e
Revision: 201001
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
495 |
} |
c9bc50fca66e
Revision: 201001
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
496 |
else |
c9bc50fca66e
Revision: 201001
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
497 |
{ |
43 | 498 |
LOGTEXT(_L8("CCdcControlInterface::WriteData() - Write completed")); |
0
c9bc50fca66e
Revision: 201001
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
499 |
timer.Cancel(); |
c9bc50fca66e
Revision: 201001
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
500 |
User::WaitForRequest(timerStatus); |
c9bc50fca66e
Revision: 201001
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
501 |
ret = status.Int(); |
c9bc50fca66e
Revision: 201001
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
502 |
} |
c9bc50fca66e
Revision: 201001
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
503 |
|
43 | 504 |
LOGTEXT2(_L8("\treturning %d"), ret); |
0
c9bc50fca66e
Revision: 201001
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
505 |
return ret; |
c9bc50fca66e
Revision: 201001
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
506 |
} |
c9bc50fca66e
Revision: 201001
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
507 |
|
c9bc50fca66e
Revision: 201001
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
508 |
// |
c9bc50fca66e
Revision: 201001
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
509 |
// End of file |