bluetoothengine/btmac/src/BTMonoCmdHandler/btmcsignal.cpp
changeset 0 f63038272f30
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/bluetoothengine/btmac/src/BTMonoCmdHandler/btmcsignal.cpp	Mon Jan 18 20:28:57 2010 +0200
@@ -0,0 +1,162 @@
+/*
+* Copyright (c) 2005 Nokia Corporation and/or its subsidiary(-ies).
+* All rights reserved.
+* This component and the accompanying materials are made available
+* under the terms of "Eclipse Public License v1.0"
+* which accompanies this distribution, and is available
+* at the URL "http://www.eclipse.org/legal/epl-v10.html".
+*
+* Initial Contributors:
+* Nokia Corporation - initial contribution.
+*
+* Contributors:
+*
+* Description:  General Active Object offering asynchronous service
+*
+*/
+
+#include "atcodec.h"
+#include "btmcphonestatus.h"
+#include "btmcsignal.h"
+#include "debug.h"
+#include <mmtsy_names.h>
+#include <e32math.h>
+
+const TInt8 KMaxPhoneSignal = 7;
+const TInt8 KMaxHFPSignal = 5;
+
+// -----------------------------------------------------------------------------
+// CBtmcSignal::NewL
+// -----------------------------------------------------------------------------
+CBtmcSignal* CBtmcSignal::NewL(CBtmcPhoneStatus& aParent)
+    {
+    CBtmcSignal* self = CBtmcSignal::NewLC(aParent);
+    CleanupStack::Pop(self);
+    return self;
+    }
+
+// -----------------------------------------------------------------------------
+// CBtmcSignal::NewLC
+// -----------------------------------------------------------------------------
+CBtmcSignal* CBtmcSignal::NewLC(CBtmcPhoneStatus& aParent)
+    {
+    CBtmcSignal* self = new (ELeave) CBtmcSignal(aParent);
+    CleanupStack::PushL(self);
+    self->ConstructL();
+    return self;
+    }
+
+// -----------------------------------------------------------------------------
+// CBtmcSignal::~CBtmcSignal
+// -----------------------------------------------------------------------------
+CBtmcSignal::~CBtmcSignal()
+    {
+    TRACE_FUNC_ENTRY
+    Cancel();
+    iPhone.Close();
+    iServer.UnloadPhoneModule(KMmTsyModuleName);
+    iServer.Close();
+    TRACE_FUNC_EXIT
+    }
+
+// -------------------------------------------------------------------------------
+// CBtmcSignal::GoActive
+// -------------------------------------------------------------------------------
+void CBtmcSignal::GoActive()
+    {
+    if (!IsActive())
+        {
+        iPhone.NotifySignalStrengthChange(iStatus, iDbm, iBars);
+        SetActive();
+        }
+    TRACE_FUNC
+    }
+
+
+// -------------------------------------------------------------------------------
+// CBtmcSignal::RunL
+// -------------------------------------------------------------------------------
+void CBtmcSignal::RunL()
+    {
+    TRACE_FUNC_ENTRY
+    TInt err = iStatus.Int();
+    TRACE_INFO((_L("err %d"), err))
+    if (!err)
+        {
+        ConvertToHFPScale(iBars);
+        }
+    else
+        {
+        iBars = 0;
+        }        
+    if (iPreviousBars != iBars)
+        {
+        iParent.HandleNetworkStrengthChangeL(iBars);
+        iPreviousBars = iBars;
+        }
+    if (err != KErrServerTerminated)
+        {
+        GoActive();
+        }
+    TRACE_FUNC_EXIT
+    }
+
+// -------------------------------------------------------------------------------
+// CBtmcSignal::DoCancel
+// -------------------------------------------------------------------------------
+void CBtmcSignal::DoCancel()
+    {
+    iPhone.CancelAsyncRequest(EMobilePhoneNotifySignalStrengthChange);
+    TRACE_FUNC
+    }
+
+
+// -------------------------------------------------------------------------------
+// CBtmcSignal::RunError
+// -------------------------------------------------------------------------------
+TInt CBtmcSignal::RunError(TInt /*aErr*/)
+    {
+    iPhone.Close();
+    iServer.UnloadPhoneModule(KMmTsyModuleName);
+    iServer.Close();
+    TRACE_FUNC
+    return KErrNone;
+    }
+
+// -----------------------------------------------------------------------------
+// CBtmcSignal::CBtmcSignal
+// -----------------------------------------------------------------------------
+CBtmcSignal::CBtmcSignal(CBtmcPhoneStatus& aParent)
+    : CActive(EPriorityNormal), iParent(aParent), iPreviousBars(0)
+    {
+    CActiveScheduler::Add(this);
+    }
+
+void CBtmcSignal::ConstructL()
+    {
+    TRACE_FUNC_ENTRY
+    LEAVE_IF_ERROR(iServer.Connect());
+    iServer.LoadPhoneModule(KMmTsyModuleName);
+    LEAVE_IF_ERROR(iPhone.Open(iServer, KMmTsyPhoneName));
+    iPhone.GetSignalStrength(iStatus, iDbm, iBars);
+    SetActive();
+    TRACE_FUNC_EXIT
+    }
+
+void CBtmcSignal::ConvertToHFPScale(TInt8 &aSignal)
+    {
+    TReal result;
+    Math::Round( result, TReal(TReal(KMaxHFPSignal)/TReal(KMaxPhoneSignal) *TReal(aSignal)),0);
+    aSignal = TInt8(result);
+    }
+
+TInt CBtmcSignal::GetSignalStrength()
+    {
+    return iBars;
+    }
+
+TInt CBtmcSignal::GetRssiStrength()
+	{
+	return iDbm;
+	}
+// End of File