usbmgmt/usbmgr/device/classdrivers/acm/classimplementation/ecacm/src/CdcInterfaceBase.cpp
--- /dev/null Thu Jan 01 00:00:00 1970 +0000
+++ b/usbmgmt/usbmgr/device/classdrivers/acm/classimplementation/ecacm/src/CdcInterfaceBase.cpp Tue Feb 02 02:02:59 2010 +0200
@@ -0,0 +1,139 @@
+/*
+* Copyright (c) 1997-2009 Nokia Corporation and/or its subsidiary(-ies).
+* All rights reserved.
+* This component and the accompanying materials are made available
+* under the terms of "Eclipse Public License v1.0"
+* which accompanies this distribution, and is available
+* at the URL "http://www.eclipse.org/legal/epl-v10.html".
+*
+* Initial Contributors:
+* Nokia Corporation - initial contribution.
+*
+* Contributors:
+*
+* Description:
+*
+*/
+
+#include <e32std.h>
+#include "CdcInterfaceBase.h"
+#include <usb/usblogger.h>
+
+#ifdef __FLOG_ACTIVE
+_LIT8(KLogComponent, "ECACM");
+#endif
+
+CCdcInterfaceBase::CCdcInterfaceBase(const TDesC16& aIfcName)
+/**
+ * Constructor.
+ *
+ * @param aIfcName The name of the interface.
+ */
+ {
+ iIfcName.Set(aIfcName);
+ }
+
+void CCdcInterfaceBase::BaseConstructL()
+/**
+ * Construct the object
+ * This call registers the object with the USB device driver
+ */
+ {
+ LOGTEXT(_L8("\tcalling RDevUsbcClient::Open"));
+ // 0 is assumed to mean ep0
+ TInt ret = iLdd.Open(0);
+ if ( ret )
+ {
+ LOGTEXT2(_L8("\tRDevUsbcClient::Open = %d"), ret);
+ LEAVEIFERRORL(ret);
+ }
+
+ ret = SetUpInterface();
+ if ( ret )
+ {
+ LOGTEXT2(_L8("\tSetUpInterface = %d"), ret);
+ LEAVEIFERRORL(ret);
+ }
+ }
+
+CCdcInterfaceBase::~CCdcInterfaceBase()
+/**
+ * Destructor.
+ */
+ {
+ LOG_FUNC
+
+ if ( iLdd.Handle() )
+ {
+ LOGTEXT(_L8("\tLDD handle exists"));
+
+ // Don't bother calling ReleaseInterface- the base driver spec says
+ // that Close does it for us.
+
+ LOGTEXT(_L8("\tclosing LDD session"));
+ iLdd.Close();
+ }
+ }
+
+TInt CCdcInterfaceBase::GetInterfaceNumber(TUint8& aIntNumber)
+/**
+ * Get my interface number
+ *
+ * @param aIntNumber My interface number
+ * @return Error.
+ */
+ {
+ LOG_FUNC
+
+ TInt interfaceSize = 0;
+
+ // 0 means the main interface in the LDD API
+ TInt res = iLdd.GetInterfaceDescriptorSize(0, interfaceSize);
+
+ if ( res )
+ {
+ LOGTEXT2(_L8("\t***GetInterfaceDescriptorSize()=%d"), res);
+ return res;
+ }
+
+ HBufC8* interfaceBuf = HBufC8::New(interfaceSize);
+ if ( !interfaceBuf )
+ {
+ LOGTEXT(_L8("\t***failed to create interfaceBuf- "
+ "returning KErrNoMemory"));
+ return KErrNoMemory;
+ }
+
+ TPtr8 interfacePtr = interfaceBuf->Des();
+ interfacePtr.SetLength(0);
+ // 0 means the main interface in the LDD API
+ res = iLdd.GetInterfaceDescriptor(0, interfacePtr);
+
+ if ( res )
+ {
+ delete interfaceBuf;
+ LOGTEXT2(_L8("\t***GetInterfaceDescriptor()=%d"), res);
+ return res;
+ }
+
+#ifdef __FLOG_ACTIVE
+ LOGTEXT2(_L8("\t***interface length = %d"), interfacePtr.Length());
+ for ( TInt i = 0 ; i < interfacePtr.Length() ; i++ )
+ {
+ LOGTEXT2(_L8("\t***** %x"),interfacePtr[i]);
+ }
+#endif
+
+ const TUint8* buffer = reinterpret_cast<const TUint8*>(interfacePtr.Ptr());
+ // 2 is where the interface number is, according to the LDD API
+ aIntNumber = buffer[2];
+
+ LOGTEXT2(_L8("\tinterface number = %d"), aIntNumber);
+
+ delete interfaceBuf;
+
+ return KErrNone;
+ }
+
+//
+// End of file