author | Pat Downey <patd@symbian.org> |
Wed, 01 Sep 2010 12:20:56 +0100 | |
branch | RCL_3 |
changeset 43 | 4a793f564d72 |
parent 0 | d0791faffa3f |
permissions | -rw-r--r-- |
0
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/* |
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* Copyright (c) 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: Client interface to haptics server for haptics bridge |
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* commands. |
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* |
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*/ |
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|
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|
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#include <e32svr.h> |
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#include <f32file.h> |
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#include <data_caging_path_literals.hrh> // KDC_PROGRAMS_DIR |
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#include <hwrmhaptics.h> |
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#include <hwrmlogicalactuators.h> |
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#include <hwrmhapticspacketizer.h> |
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|
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#include "hapticsbridgeclient.h" |
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#include "hapticsconntrace.h" |
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|
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const TInt KServerVersionMajor = 1; |
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const TInt KServerVersionMinor = 1; |
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const TInt KServerVersionBuild = 1; |
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_LIT( KServerProcessName, "!hwrmhapticsserver" ); |
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_LIT( KServerExeName, "hwrmhapticsserver.exe" ); |
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const TInt KAsyncMsgSlots = 10; |
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|
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const TInt KHWRMHapticsServiceCommand = 2001; |
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const TInt KHWRMHapticsOpenActuatorCommand = 2004; |
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const TInt KHWRMHapticsCleanupCommand = 2008; |
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const TInt KHWRMHapticsBridgeCommand = 2011; |
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|
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// -------------------------------------------------------------------------- |
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// Simple constructor |
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// |
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// -------------------------------------------------------------------------- |
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// |
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RHapticsBridgeClient::RHapticsBridgeClient() |
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{ |
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TRAP_IGNORE( iPacketizer = |
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CHWRMHapticsPacketizer::NewL( EHWRMLogicalActuatorAny ) ); |
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} |
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|
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// -------------------------------------------------------------------------- |
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// Simple destructor |
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// |
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// -------------------------------------------------------------------------- |
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// |
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RHapticsBridgeClient::~RHapticsBridgeClient() |
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{ |
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delete iPacketizer; |
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} |
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|
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// -------------------------------------------------------------------------- |
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// Method for connecting (creating a new session) with Haptics Server |
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// |
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// -------------------------------------------------------------------------- |
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// |
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TInt RHapticsBridgeClient::Connect() |
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{ |
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COMPONENT_TRACE( ( _L( "RHapticsBridgeClient::Connect()" ) ) ); |
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TInt ret = CreateSession( KServerProcessName, |
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ServerVersion(), |
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KAsyncMsgSlots ); |
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if ( ret != KErrNone ) |
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{ |
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ret = StartServer(); |
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if ( ret == KErrNone ) |
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{ |
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ret = CreateSession( KServerProcessName, |
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ServerVersion(), |
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KAsyncMsgSlots ); |
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COMPONENT_TRACE(_L("RHapticsBridgeClient::Connect(), Session created")); |
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} |
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} |
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|
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// Initialize server components. |
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if ( ret == KErrNone ) |
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{ |
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ret = SendReceive( KHWRMHapticsServiceCommand ); |
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} |
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|
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// Open the haptic effect ("vibra") device. |
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if ( ret == KErrNone ) |
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{ |
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ret = OpenHapticsDevice(); |
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} |
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|
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|
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COMPONENT_TRACE( ( _L( "RHapticsBridgeClient::Connect - return(%d)" ), ret ) ); |
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return ret; |
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} |
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|
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// -------------------------------------------------------------------------- |
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// Method for starting Haptics Server (if not already running) |
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// |
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// -------------------------------------------------------------------------- |
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// |
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TInt RHapticsBridgeClient::StartServer() const |
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{ |
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COMPONENT_TRACE( ( _L( "RHapticsBridgeClient::StartServer()" ) ) ); |
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111 |
|
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TParse parser; |
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parser.Set( KServerExeName, &KDC_PROGRAMS_DIR, NULL ); |
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|
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RProcess server; |
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TInt ret = server.Create( parser.FullName(), KNullDesC ); |
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|
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if ( ret != KErrNone ) // Loading failed. |
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{ |
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return ret; |
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} |
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|
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TRequestStatus status; |
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server.Rendezvous( status ); |
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|
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if ( status != KRequestPending ) |
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{ |
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server.Kill( 0 ); // Abort startup. |
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server.Close(); |
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return KErrGeneral; |
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} |
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else |
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{ |
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server.Resume(); // Logon OK - start the server. |
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} |
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136 |
|
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User::WaitForRequest( status ); |
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server.Close(); |
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|
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COMPONENT_TRACE( ( _L( "RHapticsBridgeClient::StartServer() - return %d" ), status.Int() ) ); |
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return status.Int(); |
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} |
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|
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// -------------------------------------------------------------------------- |
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// Method for closing session to haptics server. |
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// |
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// -------------------------------------------------------------------------- |
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// |
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void RHapticsBridgeClient::Close() |
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{ |
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RSessionBase::Close(); |
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} |
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|
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// -------------------------------------------------------------------------- |
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// Getter method for server version. |
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// |
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// -------------------------------------------------------------------------- |
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// |
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TVersion RHapticsBridgeClient::ServerVersion() const |
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{ |
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return TVersion( KServerVersionMajor, |
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KServerVersionMinor, |
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KServerVersionBuild ); |
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} |
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|
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// -------------------------------------------------------------------------- |
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// Method for sending commands to Haptics Server. |
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// |
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// -------------------------------------------------------------------------- |
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// |
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TInt RHapticsBridgeClient::SendBridgeBuffer( const TDesC8& aReqData, TDes8& aRetDataPckg ) |
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{ |
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COMPONENT_TRACE( ( _L( "RHapticsBridgeClient::SendBridgeBufferL() - Begin" ) ) ); |
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|
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TInt retVal( KErrDisconnected ); |
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if ( iHandle ) |
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{ |
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TInt vibeStatus(0); |
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TPckg<TInt> vibeStatusPckg( vibeStatus ); |
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retVal = SendReceive( KHWRMHapticsBridgeCommand, |
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TIpcArgs( &aReqData, |
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&vibeStatusPckg, |
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&aRetDataPckg ) ); |
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|
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if ( retVal == KErrNone ) |
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{ |
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TRAP( retVal, HandleOpenDeviceResponseL( aRetDataPckg ) ); |
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} |
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} |
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|
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COMPONENT_TRACE( ( _L( "RHapticsBridgeClient::SendBridgeBufferL() - End (%d)" ), retVal ) ); |
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return retVal; |
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} |
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|
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// -------------------------------------------------------------------------- |
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// Method for cleaning up session to Haptics Server. |
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// |
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// -------------------------------------------------------------------------- |
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// |
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void RHapticsBridgeClient::CleanUp() |
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{ |
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COMPONENT_TRACE( ( _L( "RHapticsBridgeClient::CleanUp() - Begin" ) ) ); |
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if ( iHandle ) |
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{ |
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SendReceive ( KHWRMHapticsCleanupCommand ); |
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} |
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COMPONENT_TRACE( ( _L( "RHapticsBridgeClient::CleanUp() - End" ) ) ); |
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} |
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|
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// -------------------------------------------------------------------------- |
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// Method for handling Open Device responses (basically for requesting the |
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// setting of the license key). |
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// |
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// -------------------------------------------------------------------------- |
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// |
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void RHapticsBridgeClient::HandleOpenDeviceResponseL( const TDesC8& aResponse ) |
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{ |
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COMPONENT_TRACE( ( _L( "RHapticsBridgeClient::HandleOpenDeviceResponse() - Begin" ) ) ); |
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TInt err( KErrNone ); |
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if ( !iPacketizer ) |
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{ |
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COMPONENT_TRACE( ( _L( "RHapticsBridgeClient::HandleOpenDeviceResponse() - No Packetizer!" ) ) ); |
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User::Leave( KErrGeneral ); |
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} |
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else |
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{ |
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const TUint8* pRsp ( aResponse.Ptr() ); |
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if ( 0x12 == pRsp[0] && 0x00 == pRsp[1] && 0x00 == pRsp[2] ) |
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{ |
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COMPONENT_TRACE( ( _L( "RHapticsBridgeClient::HandleOpenDeviceResponse() - OPEN DEVICE RESPONSE handling" ) ) ); |
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iPacketizer->DecodeMessageL( aResponse, err ); |
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if ( !err ) |
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{ |
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RBuf8 reqBuf; |
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err = iPacketizer->EncSetPlatformLicenseKeyReq( |
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iPacketizer->DeviceHandle(), reqBuf ); |
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if ( !err ) |
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{ |
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TBuf8<50> dummyRetBuf; |
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TInt dummyStatus; |
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TPckg<TInt> dummyStatusPckg( dummyStatus ); |
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err = SendReceive( KHWRMHapticsBridgeCommand, |
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TIpcArgs ( &reqBuf, |
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&dummyStatusPckg, |
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&dummyRetBuf ) ); |
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COMPONENT_TRACE( ( _L( "RHapticsBridgeClient::HandleOpenDeviceResponse() - Sent set license command (%d)"), err ) ); |
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} |
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reqBuf.Close(); |
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} |
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User::LeaveIfError( err ); |
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} |
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} |
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COMPONENT_TRACE( ( _L( "RHapticsBridgeClient::HandleOpenDeviceResponse() - End" ) ) ); |
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} |
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|
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|
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// -------------------------------------------------------------------------- |
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// Method for opening haptics device. This is needed since there's possibility |
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// that no other haptics client has opened the device prior to this bridge |
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// connectivity. This method also call set license key, i.e., completes the |
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// device opening. |
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// |
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// -------------------------------------------------------------------------- |
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// |
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TInt RHapticsBridgeClient::OpenHapticsDevice() |
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{ |
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COMPONENT_TRACE( ( _L( "RHapticsBridgeClient::OpenHapticsDevice - Begin" ) ) ); |
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TInt err( KErrGeneral ); |
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if ( iPacketizer ) |
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{ |
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RBuf8 openDevReqBuf; |
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RBuf8 setLicenseReqBuf; |
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TBuf8<50> setLicenseRspBuf; |
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TInt dummyStatus; |
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TPckg<TInt> dummyStatusPckg( dummyStatus ); |
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|
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err = iPacketizer->EncOpenDeviceReq( EHWRMLogicalActuatorAny, |
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openDevReqBuf ); |
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|
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COMPONENT_TRACE( ( _L( "RHapticsBridgeClient::OpenHapticsDevice - EncOpenDevice (%d)" ), err ) ); |
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if ( !err ) |
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{ |
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TInt deviceHandle; |
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TPckg<TInt> deviceHandlePckg( deviceHandle ); |
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err = SendReceive( KHWRMHapticsOpenActuatorCommand, |
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TIpcArgs ( &openDevReqBuf, |
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&deviceHandlePckg, |
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EHWRMLogicalActuatorAny ) ); |
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COMPONENT_TRACE( ( _L( "RHapticsBridgeClient::OpenHapticsDevice - Send OpenDevice (%d)" ), err ) ); |
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COMPONENT_TRACE( ( _L( "RHapticsBridgeClient::OpenHapticsDevice - Device handle = %d" ), deviceHandle ) ); |
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if ( !err ) |
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{ |
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err = iPacketizer->EncSetPlatformLicenseKeyReq( |
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deviceHandle, setLicenseReqBuf ); |
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COMPONENT_TRACE( ( _L( "RHapticsBridgeClient::OpenHapticsDevice - EncSetEmptyLicenseKey (%d)" ), err ) ); |
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if ( !err ) |
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{ |
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TBuf8<50> dummyRspBuf; |
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TInt dummyStatus; |
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TPckg<TInt> dummyStatusPckg( dummyStatus ); |
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err = SendReceive( KHWRMHapticsBridgeCommand, |
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TIpcArgs ( &setLicenseReqBuf, |
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&dummyStatusPckg, |
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&dummyRspBuf ) ); |
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COMPONENT_TRACE( ( _L( "RHapticsBridgeClient::OpenHapticsDevice - Send SetLicense (%d)" ), err ) ); |
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} |
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} |
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} |
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|
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openDevReqBuf.Close(); |
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setLicenseReqBuf.Close(); |
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} |
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COMPONENT_TRACE( ( _L( "RHapticsBridgeClient::OpenHapticsDevice - End (err=%d)" ),err ) ); |
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return err; |
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} |
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// eof |