bsptemplate/asspandvariant/template_variant/inc/template_power.inl
author hgs
Fri, 23 Apr 2010 22:08:41 +0100
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parent 0 a41df078684a
permissions -rw-r--r--
201015_08
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// Copyright (c) 1998-2009 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 the License "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:
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// template\template_variant\inc\template_power.inl
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// Template Power Management Inline file
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// -/-/-/-/-/-/-/-/-/ class TTemplatePowerController /-/-/-/-/-/-/-/-/-/
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// 
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//
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inline void TTemplatePowerController::RegisterPowerController(DTemplatePowerController* aPowerController)
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	{iPowerController = aPowerController;}
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//-/-/-/-/-/-/-/-/-/ class TemplateResourceManager /-/-/-/-/-/-/-/-/-/
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inline TemplateResourceManager::TSleepModes TemplateResourceManager::MapSleepMode(TInt aSleepPeriod)
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	{
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	//
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	// TO DO: (optional)
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	//
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	// Investigate what resources are On or Off, or used at what level and with the expected duration
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	// of Sleep map this to platform-specific Sleep mode
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	//
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	return Snooze;
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	}
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inline void TemplateResourceManager::Modify(TResource aResource, TBool aOnOff)
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	{
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	//
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	// TO DO: (optional)
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	//
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	// This function is used to modify non-shared binary resources 
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	// The following is an EXAMPLE ONLY:
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	//
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	switch(aResource)
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		{
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	case SynchBinResourceUsedByZOnly:
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		NKern::Lock();
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		//
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		// TO DO: (optional)
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		//
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		// Modify hardware register bit or bits to switch the resource On or Off as defined by aOnOff
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		// If the resource is only accessed by a driver and not from an ISR, there's no need to stop
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		// preemption. If it can be accessed from an ISR need to disable/enable interrupts around it.
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		//
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		NKern::Unlock();
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		break;
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	case AsynchBinResourceUsedByZOnly:
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		//
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		// TO DO: (optional)
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		//
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		// Modify hardware register bit or bits to switch the resource On or Off as defined by aOnOff
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		// and then wait until it has been modified.
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		// If the waits is only a few uS you could consider spinning, If it is considerable larger then
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		// you may need to use Kern::PollingWait passing a polling function, a pointer to a owning
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		// object a poll period in milliseconds and a maximum number of attempts. This will sleep
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		// the driver thread so if your driver is multithreaded and the resource can be accessed
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		// from more than one thread you may need to lock accesses to it with a fast Mutex.
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		// The completion of the change may be indicated by an interrupt: you still need to guarantee
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		// that the resource is not accessed until the change takes place.
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		//
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		break;
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	default:
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		break;
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		}
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	}
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inline void TemplateResourceManager::ModifyToLevel(TResource aResource, TInt aLevel)
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	{
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	//
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	// TO DO: (optional)
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	//
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	// This function is used to modify non-shared multilevel resources
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	// The following is an EXAMPLE ONLY:
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	//
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	switch(aResource)
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		{
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	case SynchMlResourceUsedByXOnly:
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		NKern::Lock();
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		//
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		// TO DO: (optional)
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		//
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		// Modify hardware register bits to set the level of the resource to aLevel
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		// If the resource is only accessed by a driver and not from an ISR, there's no need to stop
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		// preemption. If it can be accessed from an ISR need to disable/enable interrupts around it.
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		//
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		NKern::Unlock();
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		break;
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	case AsynchMlResourceUsedByXOnly:
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		//
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		// TO DO: (optional)
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		//
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		// Modify hardware register bits to set the level of the resource to aLevel
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		// and then wait until it has been modified.
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		// If the waits is only a few uS you could consider spinning, If it is considerable larger then
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		// you may need to use Kern::PollingWait passing a polling function, a pointer to a owning
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		// object a poll period in milliseconds and a maximum number of attempts. This will sleep
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		// the driver thread so if your driver is multithreaded and the resource can be accessed
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		// from more than one thread you may need to lock accesses to it with a fast Mutex.
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		// The completion of the change may be indicated by an interrupt: you still need to guarantee
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		// that the resource is not accessed until the change takes place.
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		//
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		break;
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	default:
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		break;
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		}
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	}
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inline TBool TemplateResourceManager::GetResourceState(TResource aResource)
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	{
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	//
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	// TO DO: (optional)
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	//
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	// Read from hardware (or from follower variable) and return the state of non-shared binary resource
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	// EXAMPLE ONLY
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	//
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	return(EFalse);
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	}
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inline TUint TemplateResourceManager::GetResourceLevel(TResource aResource)
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	{
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	//
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	// TO DO: (optional)
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	//
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	// Read from hardware (or from follower variable) and return the level of non-shared multilevel resource
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	//
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	// EXAMPLE ONLY
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	//
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	return(0);
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	}
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inline SharedBinaryResource1* TemplateResourceManager::SharedBResource1()
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	{return &iSharedBResource1;}
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inline SharedMultilevelResource1* TemplateResourceManager::SharedMlResource1()
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	{return &iSharedMlResource1;}