diff -r 000000000000 -r 29b1cd4cb562 bthci/bthci2/hctl/interface/hctluartpowermanager.h --- /dev/null Thu Jan 01 00:00:00 1970 +0000 +++ b/bthci/bthci2/hctl/interface/hctluartpowermanager.h Fri Jan 15 08:13:17 2010 +0200 @@ -0,0 +1,78 @@ +// Copyright (c) 2007-2009 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: +// + +/** + @file + @publishedPartner + @released +*/ + +#ifndef HCTLUARTPOWERMANAGER_H +#define HCTLUARTPOWERMANAGER_H + +#include +#include +#include + +class CDelay; +class RBusDevComm; + +// The timeout to detect if a device has changed to power off state +static const TInt KUartSignalChangeTimeout = 10000000; // 10s + +_LIT(KHctlUartPowerManagerPanic, "Uart Power Man"); +enum THctlUartPowerManagerPanic + { + EHCTLUartPowerOnWithCTSLow = 0, + EHCTLUartPowerInvalidState, + }; + +/** +This class implements monitoring of a UART device to detect when +it changes power state. It is intended to be used by any UART based +HCTL implementation that wishes to detect power changing from on to +off and vice versa. +*/ +NONSHARABLE_CLASS(CHCTLUartPowerManager) : public CActive + { +public: + IMPORT_C static CHCTLUartPowerManager *NewL(MHCTLUartPowerObserver& aObserver, RBusDevComm& aPort); + ~CHCTLUartPowerManager(); + + IMPORT_C void Start(); + + static TInt PowerOffTimeout(TAny* aThis); + +private: + CHCTLUartPowerManager(MHCTLUartPowerObserver& aObserver, RBusDevComm& aPort); + void ConstructL(); + + virtual void DoCancel(); + virtual void RunL(); + + void PowerChange(); + +private: + MHCTLUartPowerObserver& iObserver; + + TBTPowerState iState; + RBusDevComm& iPort; + TUint iSignals; + + CDelay* iPowerOffTimer; + }; + +#endif // HCTLUARTPOWERMANAGER_H +