TB10.1 Example Applications: examples/Base/MessageQueueExample/Inverter/inc/CInverter.h Source File

00001 // Copyright (c) 2008-2009 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 //
+00015 
+00016 #ifndef CINVERTER_H_
+00017 #define CINVERTER_H_
+00018 #include "e32base.h" //for using CPeriodic
+00019 #include "e32msgqueue.h" 
+00020 
+00021 class CInverter 
+00022 {
+00023 public:
+00024         static CInverter* NewL();
+00025         virtual ~CInverter();
+00026         void Start();
+00027         
+00028         //Recieve message from the messagequeue.
+00029         TInt RecieveMsg();      
+00030         
+00031         //Send message to the InverterOutQ.
+00032         void SendMsg();         
+00033         
+00034         void Stop();  
+00035         
+00036         //A callback function to be called whenever the timer expires after certain interval of time . 
+00037         TInt static StaticWake(TAny*); 
+00038         
+00039         void ConstructL();
+00040         
+00041         //Invert the user words input by the user.
+00042         void DoInvert();
+00043         
+00044         //Reverse the word of the sentence coming to the Inverter.
+00045         void ReverseWord(TBuf<20> buf);
+00046         
+00047 private:
+00048         // A periodic timer to be used to wake the inverter to start recieving the messages . 
+00049         CPeriodic *iTimer;
+00050         
+00051         //Message queues to be opened and used to send data to inverter. 
+00052         RMsgQueue <TBuf<100> > iOutMsgQ;          
+00053         
+00054         //Message queues to be opened and used to recieve data from inverter. 
+00055         RMsgQueue <TBuf<100> > iInMsgQ;
+00056         
+00057         //Buffer to store inverted message.
+00058         TBuf<100> iMsgQData; 
+00059         
+00060         //Buffer to store the message to be sent to InverterOutQ.
+00061         TBuf<100> idestMsg;
+00062         
+00063         //Temporary buffers to reverse the words of the sentence.
+00064         TBuf<20> iwords;
+00065         TBuf<20> itmpWord; 
+00066 };
+00067 
+00068 #endif /*CINVERTER_H_*/
+