author | mikaruus <mika.a.ruuskanen@nokia.com> |
Wed, 21 Apr 2010 14:29:55 +0300 | |
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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 the License "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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#ifndef CMODEMATHANDLER_H |
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#define CMODEMATHANDLER_H |
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#include <e32base.h> |
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#include "mmodematobserver.h" |
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// FORWARD DECLARATIONS |
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class CModemAtSrv; |
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class RIscApi; |
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class TIsiReceiveC; |
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class CModemAtPipeController; |
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// CLASS DECLARATION |
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/** |
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* CModemAtHandler |
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* CModemAtHandler receives AT-commands from CModemATSession andsends AT-command to the AT-modem. |
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* CModemAtHandler communicates with AT modem by ISI-messages. Also pipemessages and name-service messages |
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* are sent/received by CModemAtHandler. Pipe- and nameservice messages are forwarded to the CModemAtPipeController. |
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*/ |
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class CModemAtHandler : public CActive |
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{ |
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public: |
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/** |
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* Two-phased constructor. |
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* @param aServer |
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* @return Instance of self |
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*/ |
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static CModemAtHandler* NewL( CModemAtSrv& aServer ); |
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/** |
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* Destructor. |
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*/ |
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~CModemAtHandler(); |
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/** |
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* Sends AT-command to Modem AT-server |
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* @param aDteId |
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* @param aPluginType AText/Common |
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* @param aMessageType 0=normal, 1=getnvram status |
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* @param aCmd AT-command |
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*/ |
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TInt SendATCommand( |
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const TUint8 aDteId, |
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const TATPluginInterface aPluginType, |
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const TUint8 aMessageType, |
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const TDesC8& aCmd ); |
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/** |
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* Connects handler to modem |
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* @param aDteId DteId. Default is zero. If pipe is created, pipehandle will be used. |
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* @return KErrNone or |
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* @return KErrNoMemory |
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*/ |
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TInt Connect( const TUint8 aDteId ); |
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/** |
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* Disconnects handler from modem |
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* @param TUint8 aDteId |
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* @return Disconnect status |
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*/ |
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TInt Disconnect( const TUint8 aDteId ); |
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/** |
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* Check if disconnect is called directly |
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* @return ETrue if disconnect called directly |
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*/ |
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TBool IsDisconnected(); |
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/** |
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* HandleCommandModeChange |
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* @param TCommandMode aMode |
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*/ |
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void HandleCommandModeChange( TCommandMode aMode ); |
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/** |
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* SendAtModemDataRedirectResultReq |
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* @param TUint8 aDteId |
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* @param TUint aResult |
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*/ |
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void SendAtModemDataRedirectResultReq( const TUint8 aDteId, const TUint aResult); |
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/** |
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* SendEscapeSignalDetection |
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* @param TUint8 aDteId |
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* @return Symbian error code if error |
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*/ |
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TInt SendEscapeSignalDetection( const TUint8 aDteId ); |
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/** |
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* HandleSignalDetectedResp |
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* @param TIsiReceiveC aMessage |
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*/ |
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void HandleSignalDetectedResp( const TIsiReceiveC& aMessage ); |
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/** |
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* RemovePipe |
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* @param TUint8 aDteId |
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*/ |
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void RemovePipe( const TUint8 aDteId ); |
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/** |
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* IsPluginConnected |
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* @return ETrue if plugin is connected |
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*/ |
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TBool IsPluginConnected(); |
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/** |
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* SetModemAtExistsInCmt |
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* @param TBool aModemAtExistsInCmt |
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*/ |
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void SetModemAtExistsInCmt( TBool aModemAtExistsInCmt ); |
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/** |
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* SendAtModemConnectReq |
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* @param TUint8 aDteId |
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*/ |
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TInt SendAtModemConnectReq( const TUint8 aDteId ); |
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protected: |
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// from CActive |
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void RunL(); |
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void DoCancel(); |
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private: |
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/** |
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* Default C++ constructor. |
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*/ |
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CModemAtHandler( CModemAtSrv& aServer ); |
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/** |
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* 2nd phase constructor |
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*/ |
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void ConstructL(); |
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/** |
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* Open ISI channel |
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*/ |
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void OpenChannelL(); |
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/** |
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* ISI message handlers |
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*/ |
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void HandleATResponse(const TIsiReceiveC& aMessage); |
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#ifdef __WINSCW__ |
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void HandleATResponse( ); |
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#endif |
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void HandleModemConnectResp( const TIsiReceiveC& aMessage); |
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void HandleSignalInd(const TIsiReceiveC& aMessage); |
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void HandleUnsolicitedData(const TIsiReceiveC& aMessage); |
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void HandleIntermediateDataInd(const TIsiReceiveC& aMessage); |
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void HandleRedirectInd(const TIsiReceiveC& aMessage); |
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void HandleRedirectResultResp(const TIsiReceiveC& aMessage); |
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void SetDisconnected( TBool aIsDisconnected ); |
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private: |
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//data |
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CModemAtSrv& iServer; |
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RIscApi* iIscApi; |
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HBufC8* iReceivedMessageBuffer; |
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TUint16 iMessageBufferSize; |
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TPtr8 iReceivePtr; |
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TUint16 iReceiveMessageLength; |
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TIsiReceiveC* iReceivedMessage; |
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TUint iPepObjId; //controller pep |
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CModemAtPipeController* iPipeController; |
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#ifdef __WINSCW__ |
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TInt iEmulatedValue; |
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TUint8 iDteId; |
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TUint8 iChannel; |
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TATPluginInterface iPluginType; |
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#endif |
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TUint8 iLastTransactionId; |
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TBool iDisconnected; |
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TBool iModemAtExistInCmt; |
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}; |
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#endif // CMODEMATHANDLER_H |
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