TB10.1 Example Applications: examples/Base/IPC/AdvancedClientServerExample/driver/driver1

00001 // Copyright (c) 2007-2009 Nokia Corporation and/or its subsidiary(-ies).
-00002 // All rights reserved.
-00003 // This component and the accompanying materials are made available
-00004 // under the terms of "Eclipse Public License v1.0"
-00005 // which accompanies this distribution, and is available
-00006 // at the URL "http://www.eclipse.org/legal/epl-v10.html".
-00007 //
-00008 // Initial Contributors:
-00009 // Nokia Corporation - initial contribution.
-00010 //
-00011 // Contributors:
-00012 //
-00013 // Description:
-00014 // Kernel side interfaces to the example Logical and Physical Device Drivers
-00015 //
-00016 
-00017 
-00018 
-00023 #ifndef __DRIVER1_DEV_H__
-00024 #define __DRIVER1_DEV_H__
-00025 
-00029 class DDriver1Factory : public DLogicalDevice
-00030         {
-00031 public:
-00032         DDriver1Factory();
-00033         ~DDriver1Factory();
-00034         
-00035         //      Inherited from DLogicalDevice
-00036         virtual TInt Install();
-00037         virtual void GetCaps(TDes8& aDes) const;
-00038         virtual TInt Create(DLogicalChannelBase*& aChannel);
-00039         };
-00040 
-00041 class DDriver1;
-00042 
-00046 class DDriver1Channel : public DLogicalChannel
-00047         {
-00048 public:
-00049         DDriver1Channel();
-00050         virtual ~DDriver1Channel();
-00051         
-00052         //      Inherited from DObject
-00053         virtual TInt RequestUserHandle(DThread* aThread, TOwnerType aType);
-00054         
-00055         // Inherited from DLogicalChannelBase
-00056         virtual TInt DoCreate(TInt aUnit, const TDesC8* anInfo, const TVersion& aVer);
-00057         
-00058         // Inherited from DLogicalChannel
-00059         virtual void HandleMsg(TMessageBase* aMsg);
-00060 private:
-00061         // Panic reasons
-00062         enum TPanic
-00063                 {
-00064                 // A request was issued when one is outstanding.
-00065                 ERequestAlreadyPending = 1
-00066                 };
-00067                 
-00068         // Implementation of the different kinds of messages sent through RBusLogicalChannel
-00069         TInt DoControl(TInt aFunction, TAny* a1, TAny* a2);
-00070         TInt DoRequest(TInt aReqNo, TRequestStatus* aStatus, TAny* a1, TAny* a2);
-00071         void DoCancel(TUint aMask);
-00072         // Accessor for the PDD
-00073         inline DDriver1* Pdd();
-00074         // Methods for configuration
-00075         TInt GetConfig(TDes8* aConfigBuf);
-00076         TInt SetConfig(const TDesC8* aConfigBuf);
-00077         void CurrentConfig(RDriver1::TConfig& aConfig);
-00078         // Methods for processing a SendData request
-00079         TInt SendData(TRequestStatus* aStatus,const TDesC8* aData);
-00080         void SendDataCancel();
-00081         void DoSendDataComplete();
-00082         static void SendDataDfc(TAny* aPtr);
-00083         // Methods for processing a ReceiveData request
-00084         TInt ReceiveData(TRequestStatus* aStatus,TDes8* aBuffer);
-00085         void ReceiveDataCancel();
-00086         void DoReceiveDataComplete();
-00087         static void ReceiveDataDfc(TAny* aPtr);
-00088 public:
-00089         // Interface methods for use by PDD
-00090         virtual void SendDataComplete(TInt aResult);
-00091         virtual void ReceiveDataComplete(TInt aResult);
-00092 private:
-00093         DThread* iClient;
-00094         // Members used for processing a SendData request
-00095         TRequestStatus* iSendDataStatus;
-00096         TDfc iSendDataDfc;
-00097         TInt iSendDataResult;
-00098         TBuf8<256> iSendDataBuffer;
-00099         // Members used for processing a ReceiveData request
-00100         TDes8* iReceiveDataDescriptor;
-00101         TRequestStatus* iReceiveDataStatus;
-00102         TDfc iReceiveDataDfc;
-00103         TInt iReceiveDataResult;
-00104         TBuf8<256> iReceiveDataBuffer;
-00105         };
-00106 
-00107 inline DDriver1* DDriver1Channel::Pdd()
-00108         { return (DDriver1*)iPdd; }
-00109 
-00113 class DDriver1 : public DBase
-00114         {
-00115 public:
-00119         class TCaps
-00120                 {
-00121         public:
-00122                 TVersion iVersion;
-00123                 };
-00124 public:
-00125         virtual TInt BufferSize() const =0;
-00126         virtual TInt Speed() const =0;
-00127         virtual TInt SetSpeed(TInt aSpeed) =0;
-00128         virtual TInt SendData(const TDesC8& aData) =0;
-00129         virtual void SendDataCancel() =0;
-00130         virtual TInt ReceiveData(TDes8& aBuffer) =0;
-00131         virtual void ReceiveDataCancel() =0;
-00132 public:
-00133         DDriver1Channel* iLdd;
-00134         };
-00135 
-00136 #endif
-00137 
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examples/Base/IPC/AdvancedClientServerExample/driver/driver1_dev.h
