bluetoothengine/btmac/src/BTMonoCmdHandler/btmcsignal.cpp
author Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
Mon, 18 Jan 2010 20:28:57 +0200
changeset 0 f63038272f30
permissions -rw-r--r--
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/*
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* Copyright (c) 2005 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:  General Active Object offering asynchronous service
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*
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*/
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#include "atcodec.h"
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#include "btmcphonestatus.h"
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#include "btmcsignal.h"
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#include "debug.h"
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#include <mmtsy_names.h>
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#include <e32math.h>
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const TInt8 KMaxPhoneSignal = 7;
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const TInt8 KMaxHFPSignal = 5;
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// -----------------------------------------------------------------------------
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// CBtmcSignal::NewL
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// -----------------------------------------------------------------------------
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CBtmcSignal* CBtmcSignal::NewL(CBtmcPhoneStatus& aParent)
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    {
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    CBtmcSignal* self = CBtmcSignal::NewLC(aParent);
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    CleanupStack::Pop(self);
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    return self;
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    }
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// -----------------------------------------------------------------------------
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// CBtmcSignal::NewLC
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// -----------------------------------------------------------------------------
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CBtmcSignal* CBtmcSignal::NewLC(CBtmcPhoneStatus& aParent)
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    {
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    CBtmcSignal* self = new (ELeave) CBtmcSignal(aParent);
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    CleanupStack::PushL(self);
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    self->ConstructL();
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    return self;
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    }
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// -----------------------------------------------------------------------------
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// CBtmcSignal::~CBtmcSignal
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// -----------------------------------------------------------------------------
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CBtmcSignal::~CBtmcSignal()
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    {
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    TRACE_FUNC_ENTRY
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    Cancel();
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    iPhone.Close();
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    iServer.UnloadPhoneModule(KMmTsyModuleName);
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    iServer.Close();
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    TRACE_FUNC_EXIT
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    }
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// -------------------------------------------------------------------------------
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// CBtmcSignal::GoActive
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// -------------------------------------------------------------------------------
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void CBtmcSignal::GoActive()
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    {
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    if (!IsActive())
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        {
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        iPhone.NotifySignalStrengthChange(iStatus, iDbm, iBars);
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        SetActive();
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        }
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    TRACE_FUNC
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    }
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// -------------------------------------------------------------------------------
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// CBtmcSignal::RunL
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// -------------------------------------------------------------------------------
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void CBtmcSignal::RunL()
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    {
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    TRACE_FUNC_ENTRY
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    TInt err = iStatus.Int();
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    TRACE_INFO((_L("err %d"), err))
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    if (!err)
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        {
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        ConvertToHFPScale(iBars);
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        }
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    else
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        {
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        iBars = 0;
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        }        
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    if (iPreviousBars != iBars)
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        {
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        iParent.HandleNetworkStrengthChangeL(iBars);
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        iPreviousBars = iBars;
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        }
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    if (err != KErrServerTerminated)
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        {
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        GoActive();
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        }
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    TRACE_FUNC_EXIT
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    }
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// -------------------------------------------------------------------------------
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// CBtmcSignal::DoCancel
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// -------------------------------------------------------------------------------
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void CBtmcSignal::DoCancel()
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    {
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    iPhone.CancelAsyncRequest(EMobilePhoneNotifySignalStrengthChange);
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    TRACE_FUNC
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    }
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// -------------------------------------------------------------------------------
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// CBtmcSignal::RunError
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// -------------------------------------------------------------------------------
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TInt CBtmcSignal::RunError(TInt /*aErr*/)
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    {
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    iPhone.Close();
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    iServer.UnloadPhoneModule(KMmTsyModuleName);
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    iServer.Close();
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    TRACE_FUNC
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    return KErrNone;
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    }
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// -----------------------------------------------------------------------------
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// CBtmcSignal::CBtmcSignal
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// -----------------------------------------------------------------------------
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CBtmcSignal::CBtmcSignal(CBtmcPhoneStatus& aParent)
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    : CActive(EPriorityNormal), iParent(aParent), iPreviousBars(0)
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    {
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    CActiveScheduler::Add(this);
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    }
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void CBtmcSignal::ConstructL()
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    {
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    TRACE_FUNC_ENTRY
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    LEAVE_IF_ERROR(iServer.Connect());
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    iServer.LoadPhoneModule(KMmTsyModuleName);
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    LEAVE_IF_ERROR(iPhone.Open(iServer, KMmTsyPhoneName));
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    iPhone.GetSignalStrength(iStatus, iDbm, iBars);
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    SetActive();
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    TRACE_FUNC_EXIT
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    }
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void CBtmcSignal::ConvertToHFPScale(TInt8 &aSignal)
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    {
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    TReal result;
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    Math::Round( result, TReal(TReal(KMaxHFPSignal)/TReal(KMaxPhoneSignal) *TReal(aSignal)),0);
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    aSignal = TInt8(result);
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    }
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TInt CBtmcSignal::GetSignalStrength()
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    {
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    return iBars;
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    }
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TInt CBtmcSignal::GetRssiStrength()
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	{
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	return iDbm;
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	}
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// End of File