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// Copyright (c) 1995-2009 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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// e32\drivers\pbus\pccard\epoc\pccd_medchg.cpp
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//
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//
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#include <pccd_medchg.h>
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DPlatPcCardMediaChange::DPlatPcCardMediaChange(TInt aMediaChangeNum)
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//
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// Constructor
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//
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: DPcCardMediaChange(aMediaChangeNum),
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iDelayCallBack(DelayCallBack,this)
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{
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}
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TInt DPlatPcCardMediaChange::Create()
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//
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// Initialiser.
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//
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{
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TInt r=DPcCardMediaChange::Create();
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if (r==KErrNone)
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{
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iMedChgIntId=ThePccdCntrlInterface->IntIdMediaChange(iMediaChangeNum);
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r=Interrupt::Bind(iMedChgIntId,Isr,this);
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}
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__KTRACE_OPT(KPBUS1,Kern::Printf("<PlatMedCh:Init(M:%d)-%d",iMediaChangeNum,r));
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return(r);
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}
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void DPlatPcCardMediaChange::Isr(TAny *aPtr)
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//
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// Handle the media change (this function, never postponed is called on media
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// change interrupt).
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//
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{
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__KTRACE_OPT(KFAIL,Kern::Printf("!^"));
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DPlatPcCardMediaChange* pM=(DPlatPcCardMediaChange*)aPtr;
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Interrupt::Disable(pM->iMedChgIntId);
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ThePccdCntrlInterface->ClearMediaChange(pM->iMediaChangeNum);
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pM->DoorOpenService();
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}
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void DPlatPcCardMediaChange::DelayCallBack(TAny *aPtr)
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//
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// Timer callback after media change
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//
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{
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DPlatPcCardMediaChange* pM=(DPlatPcCardMediaChange*)aPtr;
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pM->DoorClosedService();
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}
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void DPlatPcCardMediaChange::ForceMediaChange()
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{
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Interrupt::Disable(iMedChgIntId);
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ThePccdCntrlInterface->ClearMediaChange(iMediaChangeNum);
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DoorOpenService();
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}
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void DPlatPcCardMediaChange::DoDoorOpen()
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//
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// Called after media change has been recognised
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//
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{
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__KTRACE_OPT(KPBUS2,Kern::Printf(">PlatMedCh(%d):DoDoorOpen",iMediaChangeNum));
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iDelayCallBack.OneShot(NKern::TimerTicks(20),ETrue);
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}
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void DPlatPcCardMediaChange::DoDoorClosed()
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//
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// Handle the media door closing (called on tick).
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//
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{
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ThePccdCntrlInterface->ClearMediaChange(iMediaChangeNum);
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Interrupt::Enable(iMedChgIntId);
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}
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TMediaState DPlatPcCardMediaChange::MediaState()
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//
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// Return status of media changed signal.
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//
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{
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return ThePccdCntrlInterface->MediaState(iMediaChangeNum);
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}
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