javaextensions/sensor/src.s60/cpschargerstatesensor.cpp
changeset 21 2a9601315dfc
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/javaextensions/sensor/src.s60/cpschargerstatesensor.cpp	Mon May 03 12:27:20 2010 +0300
@@ -0,0 +1,94 @@
+/*
+* Copyright (c) 2008 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:  Charger state sensor implementation
+*
+*/
+
+#include <hwrmpowerstatesdkpskeys.h>
+#include "cpschargerstatesensor.h"
+#include "csensorproperties.h"
+#include "logger.h"
+
+_LIT(KChargerStateSensorDescriptionPart1,
+     "charger_state#"
+     L"device#"
+     L"device#"
+     L"Nokia#"
+     L"description=");
+
+_LIT(KChargerStateSensorDescriptionPart2,
+     "#model=Nokia#"
+     L"connectiontype=1#"
+     L"1#" // isAvailable
+     L"1#" // channel count
+     L"charger_state#" // channel name. for single channel sensors should be same as model
+     L"0#" // accuracy, exact
+     L"2#" // data type. here TYPE_INT
+     L"0#" // scale. here zero (means that scaling is not used)
+     L"boolean#" // unit. Charger is attached or not attached
+     L"1#" // measurement range count
+     L"0#" // smallest measurable value
+     L"1#" // largest measurable value
+     L"1#" // measurement resolution
+     L"@ch_end#");  // channel terminator constant
+
+const TInt KPollInterval = 100000; // 0.1 sec
+
+CPSChargerStateSensor* CPSChargerStateSensor::NewL()
+{
+    JELOG2(ESensor);
+    CPSChargerStateSensor* self = new(ELeave)CPSChargerStateSensor();
+    CleanupStack::PushL(self);
+    self->ConstructL(KPSUidHWRMPowerState, KHWRMChargingStatus);
+    CleanupStack::Pop(); // self
+    return self;
+}
+
+CPSChargerStateSensor::CPSChargerStateSensor()
+        : CPSSensorBase(KPollInterval)
+{
+    JELOG2(ESensor);
+}
+
+CPSChargerStateSensor::~CPSChargerStateSensor()
+{
+    JELOG2(ESensor);
+}
+
+HBufC* CPSChargerStateSensor::CreateDescriptionLC()
+{
+    JELOG2(ESensor);
+    HBufC* desc = HBufC::NewLC(KMaxSensorDescriptionLength);
+    TPtr desPtr = desc->Des();
+    desPtr.Append(KChargerStateSensorDescriptionPart1);
+    desPtr.Append(SensorProperties::GetPropertyString(KSensorDescription,
+                  EChargerStateSensor));
+    desPtr.Append(KChargerStateSensorDescriptionPart2);
+    return desc;
+}
+
+CSensorBase* CPSChargerStateSensor::DuplicateL()
+{
+    JELOG2(ESensor);
+    return NewL();
+}
+
+TReal CPSChargerStateSensor::InterpretValue(TReal aValue)
+{
+    JELOG2(ESensor);
+    // Return 1 if aValue is bigger than 0. Return 0 if 0.
+    // Negative aValue is an error code and is returned as is.
+    return aValue > 0 ? 1 : aValue;
+}
+