--- /dev/null Thu Jan 01 00:00:00 1970 +0000
+++ b/usbengines/usbotgwatcher/inc/cusbpersonalityswitch.h Thu Dec 17 09:14:30 2009 +0200
@@ -0,0 +1,148 @@
+/*
+* Copyright (c) 2008-2009 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: Personality switch function.
+ *
+*/
+
+#ifndef C_USBPERSONALITYSWITCH_H
+#define C_USBPERSONALITYSWITCH_H
+
+#include <e32base.h>
+#include <d32usbdi.h>
+
+const TInt KGetAllPersonalitiesReq = 0x82;
+const TInt KSetPersonalityReq = 0x89;
+
+const TInt KNumOfPersShift = 3;
+const TInt KCurrPersShift = 2;
+const TInt KFirstPersonalityIdShift = 4;
+const TInt KLenghtOfPersonalityData = 2;
+
+class MUsbPersonalitySwitchObserver
+ {
+public:
+ enum TState
+ {
+ EIdle = 0,
+ ERequestingAllPersonalities,
+ ERequestingSetPersonality,
+ EGetAllPersonalitiesCompleted,
+ ESetPersonalityCompleted,
+ ERequestCancelled,
+ ERequestFailed
+ };
+public:
+ virtual void UsbPersonalitySwitchStateChangedL(TState aState, TInt aData) = 0;
+ };
+
+/* *
+ * Reads personalities, if possible, switches peripheral to mass storage.
+ * It is assumed that USB is started already
+ */
+NONSHARABLE_CLASS(CUsbPersonalitySwitch) : public CActive
+ {
+ enum TState
+ {
+ EIdle = 0,
+ EGetAllPersonalities,
+ ESetPersonality /*,
+ EGetAllPersResult,
+ EGetSetPersResult*/
+ };
+
+public:
+
+ /**
+ * Two-phased constructor
+ *
+ * @param aObserver will get call back
+ * @param aTimerId timer id
+ */
+ static CUsbPersonalitySwitch * NewL(MUsbPersonalitySwitchObserver* aObserver);
+
+ /**
+ * Destructor.
+ */
+ virtual ~CUsbPersonalitySwitch();
+
+ /**
+ * calls RunL after aMilliseconds
+ * @param aMilliseconds time in millisecs
+ */
+ TInt SwitchPersonalityL(TUint32 aDeviceId, TInt aPersonalityToBeSet);
+
+ void CancelSwitchPersonalityL();
+
+public:
+
+ // from base class CActive
+ /**
+ * Called when request is completed
+ */
+ void RunL();
+
+ /**
+ * called when RunL leaves
+ * @param aError error code
+ * @return error code
+ */
+ TInt RunError(TInt aError);
+
+ /**
+ * Called when request is cancelled
+ */
+ void DoCancel();
+
+private:
+
+ /**
+ * Default constructor
+ * @param aObserver will get call back
+ * @param aTimerId timer id
+ */
+ CUsbPersonalitySwitch(MUsbPersonalitySwitchObserver* aObserver);
+
+ /**
+ * 2nd phase construction
+ */
+ void ConstructL();
+
+ void Reset();
+
+private:
+ // data
+
+ /**
+ * Observer
+ * not own
+ */
+ MUsbPersonalitySwitchObserver* iObserver;
+
+ RUsbInterface iUsbInterface;
+
+ /**
+ * timer id
+ */
+ TInt iPersonalityToBeSet;
+
+ RUsbInterface::TUsbTransferRequestDetails iTransfer;
+
+ RBuf8 iSendData;
+
+ RBuf8 iRcvData;
+
+ TState iState;
+ };
+
+#endif // C_USBPERSONALITYSWITCH_H