--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/usbengines/usbotgwatcher/src/cusbpersonalityswitch.cpp	Thu Dec 17 09:14:30 2009 +0200
@@ -0,0 +1,299 @@
+/*
+* 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:  Switches personality
+ *
+*/
+
+#include <e32base.h>
+#include <usb.h>
+#include <usbpersonalityids.h>
+
+#include "cusbpersonalityswitch.h"
+
+#include "panic.h"
+#include "debug.h"
+
+// ---------------------------------------------------------------------------
+// 
+// ---------------------------------------------------------------------------
+//
+CUsbPersonalitySwitch::CUsbPersonalitySwitch(
+        MUsbPersonalitySwitchObserver* aObserver) :
+    CActive(CActive::EPriorityStandard), iObserver(aObserver), iState(EIdle)
+    {
+    CActiveScheduler::Add(this);
+    }
+
+// ---------------------------------------------------------------------------
+// 
+// ---------------------------------------------------------------------------
+//
+CUsbPersonalitySwitch::~CUsbPersonalitySwitch()
+    {
+        FLOG( _L( "[USBOTGWATCHER]\tCUsbPersonalitySwitch::~CUsbPersonalitySwitch" ) );
+    Cancel();
+    iUsbInterface.Close();
+    iSendData.Close();
+    iRcvData.Close();
+    }
+
+// ---------------------------------------------------------------------------
+// 
+// ---------------------------------------------------------------------------
+//
+void CUsbPersonalitySwitch::ConstructL()
+    {
+        FLOG( _L( "[USBOTGWATCHER]\tCUsbPersonalitySwitch::ConstructL" ) );
+    }
+
+// ---------------------------------------------------------------------------
+// 
+// ---------------------------------------------------------------------------
+//
+CUsbPersonalitySwitch* CUsbPersonalitySwitch::NewL(
+        MUsbPersonalitySwitchObserver* aObserver)
+    {
+        FLOG( _L( "[USBOTGWATCHER]\tCUsbPersonalitySwitch::NewL" ) );
+
+    CUsbPersonalitySwitch* self = new (ELeave) CUsbPersonalitySwitch(
+            aObserver);
+    CleanupStack::PushL(self);
+    self->ConstructL();
+    CleanupStack::Pop(self); // pop self
+    return self;
+    }
+
+// ---------------------------------------------------------------------------
+// 
+// ---------------------------------------------------------------------------
+//
+TInt CUsbPersonalitySwitch::SwitchPersonalityL(TUint32 aDeviceId,
+        TInt aPersonalityToBeSet)
+    {
+        FTRACE(FPrint(_L( "[USBOTGWATCHER]\tCUsbPersonalitySwitch::SwitchPersonality aDeviceId %d, aPersonalityToBeSet %d" ), aDeviceId, aPersonalityToBeSet))
+
+    if (IsActive() || EIdle != iState)
+        {
+        Cancel();
+        iObserver->UsbPersonalitySwitchStateChangedL(
+                MUsbPersonalitySwitchObserver::ERequestCancelled, KErrNone);
+        }
+
+    // create usb interface for the device id
+    TUint32 token(0); // = RFdc.InterfaceToken();
+    TInt err = iUsbInterface.Open(token);
+
+        FTRACE(FPrint(_L("[USBOTGWATCHER]\tCUsbPersonalitySwitch::SwitchPersonality UsbInterface Open err = %d" ), err));
+    if (KErrNone != err)
+        {
+        return err;
+        }
+
+    iPersonalityToBeSet = aPersonalityToBeSet;
+
+    // get list of supported personalities
+    iTransfer.iRequestType = KUsbRequestType_DirToHost
+            | KUsbRequestType_TypeVendor | KUsbRequestType_DestDevice;
+
+    iTransfer.iRequest = KGetAllPersonalitiesReq;
+    iTransfer.iValue = 0;
+    iTransfer.iIndex = 0;
+    iTransfer.iFlags
+            = RUsbInterface::TUsbTransferRequestDetails::EShortTransferOk;
+
+    Reset();
+
+    iState = EGetAllPersonalities;
+
+        FLOG( _L( "[USBOTGWATCHER]\tCUsbPersonalitySwitch::SwitchPersonalityL Sending GetAllPersonalities request." ) );
+    iUsbInterface.Ep0Transfer(iTransfer, iSendData, iRcvData, iStatus);
+    SetActive();
+
+    iObserver->UsbPersonalitySwitchStateChangedL(
+            MUsbPersonalitySwitchObserver::ERequestingAllPersonalities,
+            KErrNone);
+
+    return KErrNone;
+    }
+
+void CUsbPersonalitySwitch::CancelSwitchPersonalityL()
+    {
+        FLOG(_L( "[USBOTGWATCHER]\tCUsbPersonalitySwitch::CancelSwitchPersonalityL"));
+
+    if (IsActive())
+        {
+        Cancel();
+        iObserver->UsbPersonalitySwitchStateChangedL(
+                MUsbPersonalitySwitchObserver::ERequestCancelled, KErrNone);
+        }
+    }
+
+// ---------------------------------------------------------------------------
+// 
+// ---------------------------------------------------------------------------
+//
+void CUsbPersonalitySwitch::RunL()
+    {
+
+    if (KErrNone != iStatus.Int())
+        {
+            FTRACE(FPrint(_L( "[USBOTGWATCHER]\tCUsbPersonalitySwitch::RunL iStatus %d" ), iStatus.Int()));
+        User::Leave(iStatus.Int());
+        }
+
+    switch (iState)
+        {
+
+        case EGetAllPersonalities:
+            {
+                FLOG(_L( "[USBOTGWATCHER]\tCUsbPersonalitySwitch::RunL GetAllPersonalities completed."));
+
+            TInt numOfPersonalities = iRcvData[KNumOfPersShift];
+                FTRACE(FPrint(_L("[USBOTGWATCHER]\tCUsbPersonalitySwitch::RunL Amount of personalities in peripheral = %d" ), numOfPersonalities));
+
+            // if no personalities then return
+            if (0 == numOfPersonalities)
+                {
+                    FLOG(_L( "[USBOTGWATCHER]\tCUsbPersonalitySwitch::RunL No personailies found in peripheral."));
+                Reset();
+                iObserver->UsbPersonalitySwitchStateChangedL(
+                        MUsbPersonalitySwitchObserver::EGetAllPersonalitiesCompleted,
+                        KErrNotFound);
+                return;
+                }
+
+            // if needed pers already set, then return
+            TInt currentPersonality = iRcvData[KCurrPersShift];
+            if (iPersonalityToBeSet == currentPersonality)
+                {
+                    FLOG(_L( "[USBOTGWATCHER]\tCUsbPersonalitySwitch::RunL Needed personality already set in peripheral."));
+                Reset();
+                iObserver->UsbPersonalitySwitchStateChangedL(
+                        MUsbPersonalitySwitchObserver::EGetAllPersonalitiesCompleted,
+                        KErrInUse);
+                return;
+                }
+
+            // check if device supports needed personality
+            TInt count(0);
+            while (count < numOfPersonalities && iPersonalityToBeSet
+                    != iRcvData[KFirstPersonalityIdShift
+                            + KLenghtOfPersonalityData * count])
+                {
+                ++count;
+                }
+
+            if (count == numOfPersonalities) // not found == not supported
+                {
+                    FLOG(_L( "[USBOTGWATCHER]\tCUsbPersonalitySwitch::RunL Peripheral does not support needed personality."));
+                Reset();
+                iObserver->UsbPersonalitySwitchStateChangedL(
+                        MUsbPersonalitySwitchObserver::EGetAllPersonalitiesCompleted,
+                        KErrNotFound);
+                return;
+                }
+
+            iObserver->UsbPersonalitySwitchStateChangedL(
+                    MUsbPersonalitySwitchObserver::EGetAllPersonalitiesCompleted,
+                    KErrNone);
+
+            // set personality
+            iTransfer.iRequestType = KUsbRequestType_DirToDev
+                    | KUsbRequestType_TypeVendor | KUsbRequestType_DestDevice;
+
+            iTransfer.iRequest = KSetPersonalityReq;
+            iTransfer.iValue = iPersonalityToBeSet;
+            iTransfer.iIndex = 0;
+            iTransfer.iFlags
+                    = RUsbInterface::TUsbTransferRequestDetails::EShortTransferOk;
+
+            iSendData.Close();
+            iRcvData.Close();
+
+            iState = ESetPersonality;
+
+                FLOG( _L( "[USBOTGWATCHER]\tCUsbPersonalitySwitch::RunL Sending SetPersonality request." ) );
+            iUsbInterface.Ep0Transfer(iTransfer, iSendData, iRcvData, iStatus);
+            SetActive();
+            iObserver->UsbPersonalitySwitchStateChangedL(
+                    MUsbPersonalitySwitchObserver::ERequestingSetPersonality,
+                    KErrNone);
+
+            break;
+            }
+        case ESetPersonality:
+            {
+                FLOG(_L( "[USBOTGWATCHER]\tCUsbPersonalitySwitch::RunL SetPersonality completed."));
+            Reset();
+            iObserver->UsbPersonalitySwitchStateChangedL(
+                    MUsbPersonalitySwitchObserver::ESetPersonalityCompleted,
+                    KErrNone);
+
+            break;
+            }
+            /*  case EGetAllPersResult:
+             {
+             FLOG( "[USBOTGWATCHER]\tCUsbPersonalitySwitch::RunL GetAllPersResult completed.");
+
+             break;
+             }
+             case EGetSetPersResult:
+             {
+             FLOG( "[USBOTGWATCHER]\tCUsbPersonalitySwitch::RunL GetSetPersResult completed.");
+
+             break;
+             }  */
+
+        case EIdle: // do not break 
+        default:
+            {
+            Panic(EUnexpectedUsbSwitchPersonalityState);
+            }
+        }
+
+    }
+
+// ---------------------------------------------------------------------------
+// 
+// ---------------------------------------------------------------------------
+//
+TInt CUsbPersonalitySwitch::RunError(TInt aError)
+    {
+        FTRACE(FPrint(_L( "[USBOTGWATCHER]\tCUsbPersonalitySwitch::RunError aError %d" ), aError ));
+    Reset();
+    TRAP_IGNORE (iObserver->UsbPersonalitySwitchStateChangedL(
+            MUsbPersonalitySwitchObserver::ERequestFailed, aError) );
+    return KErrNone;
+    }
+
+// ---------------------------------------------------------------------------
+// 
+// ---------------------------------------------------------------------------
+//
+void CUsbPersonalitySwitch::DoCancel()
+    {
+        FLOG( _L( "[USBOTGWATCHER]\tCUsbPersonalitySwitch::DoCancel" ) )
+
+    iUsbInterface.CancelEP0Transfer();
+    Reset();
+    }
+
+void CUsbPersonalitySwitch::Reset()
+    {
+        FLOG( _L( "[USBOTGWATCHER]\tCUsbPersonalitySwitch::Reset" ) )
+
+    iState = EIdle;
+    iSendData.Close();
+    iRcvData.Close();
+    }