author | Ryan Harkin <ryan.harkin@nokia.com> |
Tue, 28 Sep 2010 18:00:05 +0100 | |
changeset 0 | 5de814552237 |
permissions | -rw-r--r-- |
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/* |
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* Copyright (c) 2008-2009 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 "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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* bsp\hwip_nec_navienegine\navienegine_assp\i2s\i2s_pil.cpp |
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* |
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*/ |
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#include <kernel/kernel.h> |
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#include "navi_i2s.h" |
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#define CHANNEL_ID_FROM_INTERFACE_ID(aId) (TUint16)aId // channel ID on bottom 16 bits (as returned by Configuration Repository) |
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TInt TI2sManager::iChannelsNum = 0; |
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DI2sChannelBase** TI2sManager::iChannels = 0; |
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TInt TI2sManager::DoCreate() |
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{ |
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TInt err=KErrNone; |
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// (TBD) Must call into ConfRep to obtain the number of channels present and store it in iChannelsNum and create a list of all interfaces supported. |
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// Then iterate through the list of interfaces and create channels. |
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// This way, each channel implementation can be written independently from the others, and brroght |
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// together at the end at the cost of a virtaul pointer dereferencing. (Incidentaly that is totally |
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// irrelevant for the NaviEngine implementation where all channels are implemented in a single file |
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// but we present this code as an example of how it could be done in a situation of need) |
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|
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iChannelsNum=4; // TBD: for now, in future need to call into ConfRep |
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TInt* chanArray=(TInt*)Kern::Alloc(iChannelsNum*sizeof(TInt)); // allocate a temporary array of interface Ids to populate with ConfRep data |
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if(!chanArray) |
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return KErrNoMemory; |
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DI2sChannelBase** channels=(DI2sChannelBase**)Kern::Alloc(iChannelsNum*sizeof(DI2sChannelBase*)); // allocate an array of pointers to channels (stored in iChannels) |
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if(!channels) |
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return KErrNoMemory; |
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|
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for(TInt i=0; i<iChannelsNum;i++) // TBD: for now, in future need to call into ConfRep to populate the array of interface Ids |
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chanArray[i]=i; // without ConfRep, interface Ids are just the channel numbers |
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|
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DI2sChannelBase* chan=NULL; |
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for(TInt j=0;j<iChannelsNum;j++) |
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{ |
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err=DI2sChannelBase::CreateChannels(chan,chanArray[j]); // this creates the channel corresponding to the interface Id passed and return it in chan |
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if(chan) |
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channels[j]=chan; // j is the channel number |
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else |
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{ |
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err=KErrNotFound; |
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break; |
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} |
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} |
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if(err==KErrNone) |
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iChannels=channels; |
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Kern::Free(chanArray); // no longer need this |
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return err; |
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} |
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/**, |
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Configures the interface. |
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@param aInterfaceId The interface Id. |
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@param aConfig A pointer to the configuration as one of TI2sConfigBufV01 or greater. |
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@return KErrNone, if successful; |
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KErrArgument, if aInterfaceId is invalid or aConfig is NULL; |
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KErrNotSupported, if the configuration is not supported by this interface; |
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KErrInUse, if interface is not quiescient (a transfer is under way). |
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*/ |
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EXPORT_C TInt I2s::ConfigureInterface(TInt aInterfaceId, TDes8* aConfig) |
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{ |
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TUint16 chanId=CHANNEL_ID_FROM_INTERFACE_ID(aInterfaceId); |
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if((chanId >= TI2sManager::iChannelsNum) || !aConfig) |
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return KErrArgument; |
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return TI2sManager::iChannels[chanId]->ConfigureInterface(aConfig); |
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} |
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/** |
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Reads the current configuration. |
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@param aInterfaceId The interface Id. |
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@param aConfig On return, the buffer passed is filled with the current configuration. |
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@return KErrNone, if successful; |
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KErrArgument, if aInterfaceId is invalid. |
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*/ |
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EXPORT_C TInt I2s::GetInterfaceConfiguration(TInt aInterfaceId, TDes8& aConfig) |
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{ |
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TUint16 chanId=CHANNEL_ID_FROM_INTERFACE_ID(aInterfaceId); |
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if(chanId >= TI2sManager::iChannelsNum) |
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return KErrArgument; |
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return TI2sManager::iChannels[chanId]->GetInterfaceConfiguration(aConfig); |
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} |
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/** |
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Sets the sampling rate. |
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@param aInterfaceId The interface Id. |
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@param aSamplingRate One of TI2sSamplingRate. |
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@return KErrNone, if successful; |
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KErrArgument, if aInterfaceId is invalid; |
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KErrNotSupported, if the sampling rate is not supported by this interface; |
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KErrInUse, if interface is not quiescient (a transfer is under way). |
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*/ |
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EXPORT_C TInt I2s::SetSamplingRate(TInt aInterfaceId, TI2sSamplingRate aSamplingRate) |
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{ |
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TUint16 chanId=CHANNEL_ID_FROM_INTERFACE_ID(aInterfaceId); |
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if(chanId >= TI2sManager::iChannelsNum) |
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return KErrArgument; |
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|
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return TI2sManager::iChannels[chanId]->SetSamplingRate(aSamplingRate); |
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} |
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|
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/** |
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Reads the sampling rate. |
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|
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@param aInterfaceId The interface Id. |
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@param aSamplingRate On return, contains one of TI2sSamplingRate. |
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|
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@return KErrNone, if successful; |
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KErrArgument, if aInterfaceId is invalid. |
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*/ |
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EXPORT_C TInt I2s::GetSamplingRate(TInt aInterfaceId, TInt& aSamplingRate) |
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{ |
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TUint16 chanId=CHANNEL_ID_FROM_INTERFACE_ID(aInterfaceId); |
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if(chanId >= TI2sManager::iChannelsNum) |
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return KErrArgument; |
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|
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return TI2sManager::iChannels[chanId]->GetSamplingRate(aSamplingRate); |
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} |
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|
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/** |
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Sets the frame length and format. |
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|
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@param aInterfaceId The interface Id. |
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@param aFrameLength One of TI2sFrameLength. |
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@param aLeftFramePhaseLength The length of the left frame phase (in number of data bits). |
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|
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@return KErrNone, if successful; |
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KErrArgument, if aInterfaceId is invalid; |
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KErrNotSupported, if the frame length or format are not supported by this interface; |
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KErrInUse, if interface is not quiescient (a transfer is under way). |
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|
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The implementation calculates the Right frame phase length as (FrameLength - LeftFramePhaseLength) |
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*/ |
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EXPORT_C TInt I2s::SetFrameLengthAndFormat(TInt aInterfaceId, TI2sFrameLength aFrameLength, TInt aLeftFramePhaseLength) |
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{ |
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TUint16 chanId=CHANNEL_ID_FROM_INTERFACE_ID(aInterfaceId); |
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if(chanId >= TI2sManager::iChannelsNum) |
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return KErrArgument; |
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|
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return TI2sManager::iChannels[chanId]->SetFrameLengthAndFormat(aFrameLength, aLeftFramePhaseLength); |
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} |
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|
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/** |
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Reads the frame format. |
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|
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@param aInterfaceId The interface Id. |
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@param aLeftFramePhaseLength On return, contains the length of the left frame phase. |
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@param aRightFramePhaseLength On return, contains the length of the right frame phase. |
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|
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@return KErrNone, if successful; |
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KErrArgument, if aInterfaceId is invalid. |
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*/ |
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EXPORT_C TInt I2s::GetFrameFormat(TInt aInterfaceId, TInt& aLeftFramePhaseLength, TInt& aRightFramePhaseLength) |
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{ |
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TUint16 chanId=CHANNEL_ID_FROM_INTERFACE_ID(aInterfaceId); |
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if(chanId >= TI2sManager::iChannelsNum) |
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return KErrArgument; |
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|
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return TI2sManager::iChannels[chanId]->GetFrameFormat(aLeftFramePhaseLength, aRightFramePhaseLength); |
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} |
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|
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/** |
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Sets the sample length for a frame phase (left or right). |
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|
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@param aInterfaceId The interface Id. |
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@param aFramePhase One of TI2sFramePhase. |
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@param aSampleLength One of TI2sSampleLength. |
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|
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@return KErrNone, if successful; |
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KErrArgument, if aInterfaceId is invalid; |
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KErrNotSupported, if the sample length for the frame phase selected is not supported by this interface; |
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KErrInUse, if interface is not quiescient (a transfer is under way). |
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*/ |
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EXPORT_C TInt I2s::SetSampleLength(TInt aInterfaceId, TI2sFramePhase aFramePhase, TI2sSampleLength aSampleLength) |
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{ |
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TUint16 chanId=CHANNEL_ID_FROM_INTERFACE_ID(aInterfaceId); |
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if(chanId >= TI2sManager::iChannelsNum) |
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return KErrArgument; |
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|
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return TI2sManager::iChannels[chanId]->SetSampleLength(aFramePhase, aSampleLength); |
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} |
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|
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/** |
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Reads the sample length for a frame phase (left or right). |
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|
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@param aInterfaceId The interface Id. |
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@param aFramePhase One of TI2sFramePhase. |
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@param aSampleLength On return, contains the sample length for the frame phase indicated by aFramePhase. |
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|
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@return KErrNone, if successful; |
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KErrArgument, if aInterfaceId is invalid. |
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*/ |
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EXPORT_C TInt I2s::GetSampleLength(TInt aInterfaceId, TI2sFramePhase aFramePhase, TInt& aSampleLength) |
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{ |
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TUint16 chanId=CHANNEL_ID_FROM_INTERFACE_ID(aInterfaceId); |
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if(chanId >= TI2sManager::iChannelsNum) |
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return KErrArgument; |
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|
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return TI2sManager::iChannels[chanId]->GetSampleLength(aFramePhase, aSampleLength); |
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} |
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|
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228 |
/** |
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Sets the number of delay cycles for a frame phase (left or right). |
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|
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@param aInterfaceId The interface Id. |
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@param aFramePhase One of TI2sFramePhase. |
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@param aDelayCycles The number of delay cycles to be introduced for the frame phase indicated by aFramePhase. |
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234 |
|
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@return KErrNone, if successful; |
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KErrArgument, if aInterfaceId is invalid; |
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KErrNotSupported, if the number of delay cycles for the frame phase selected is not supported by this interface; |
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KErrInUse, if interface is not quiescient (a transfer is under way). |
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239 |
|
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Each delay cycle has a duration of a bit clock cycle. Delay cycles are inserted between the start of the frame and the start of data. |
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*/ |
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EXPORT_C TInt I2s::SetDelayCycles(TInt aInterfaceId, TI2sFramePhase aFramePhase, TInt aDelayCycles) |
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{ |
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TUint16 chanId=CHANNEL_ID_FROM_INTERFACE_ID(aInterfaceId); |
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if(chanId >= TI2sManager::iChannelsNum) |
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return KErrArgument; |
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247 |
|
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return TI2sManager::iChannels[chanId]->SetDelayCycles(aFramePhase, aDelayCycles); |
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} |
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|
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/** |
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Reads the number of delay cycles for a frame phase (left or right). |
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|
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@param aInterfaceId The interface Id. |
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@param aFramePhase One of TI2sFramePhase. |
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@param aDelayCycles On return, contains the number of delay cycles for the frame phase indicated by aFramePhase. |
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|
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@return KErrNone, if successful; |
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KErrArgument, if aInterfaceId is invalid. |
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*/ |
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EXPORT_C TInt I2s::GetDelayCycles(TInt aInterfaceId, TI2sFramePhase aFramePhase, TInt& aDelayCycles) |
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{ |
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TUint16 chanId=CHANNEL_ID_FROM_INTERFACE_ID(aInterfaceId); |
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if(chanId >= TI2sManager::iChannelsNum) |
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return KErrArgument; |
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266 |
|
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return TI2sManager::iChannels[chanId]->GetDelayCycles(aFramePhase, aDelayCycles); |
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} |
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|
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/** |
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Reads the receive data register for a frame phase. |
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|
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@param aInterfaceId The interface Id. |
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@param aFramePhase One of TI2sFramePhase. |
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@param aData On return, contains the receive data register contents. |
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|
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@return KErrNone, if successful; |
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KErrArgument, if aInterfaceId is invalid; |
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KErrNotSupported, if reading the receive data register is not supported (e.g. when if DMA is enabled) |
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KErrNotReady, if the interface is not ready. |
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281 |
|
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If the implementation has a combined receive/transmit register - half duplex operation only - this API is used to read from it. |
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283 |
If the implementation only supports a single receive register for both frame phases, the aFramePhase argument shall be ignored and the |
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API shall return the contents of the single register. The user of the API shall use the ReadRegisterModeStatus() API to determine |
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which frame phase the data corresponds to. |
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286 |
*/ |
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EXPORT_C TInt I2s::ReadReceiveRegister(TInt aInterfaceId, TI2sFramePhase aFramePhase, TInt& aData) |
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{ |
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TUint16 chanId=CHANNEL_ID_FROM_INTERFACE_ID(aInterfaceId); |
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if(chanId >= TI2sManager::iChannelsNum) |
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return KErrArgument; |
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292 |
|
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return TI2sManager::iChannels[chanId]->ReadReceiveRegister(aFramePhase, aData); |
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294 |
} |
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295 |
|
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296 |
/** |
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297 |
Writes to the transmit data register for a frame phase. |
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298 |
|
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@param aInterfaceId The interface Id. |
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@param aFramePhase One of TI2sFramePhase. |
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@param aData The data to be written. |
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302 |
|
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@return KErrNone, if successful; |
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KErrArgument, if aInterfaceId is invalid; |
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305 |
KErrNotSupported, if writing to the receive data register is not supported (e.g. when if DMA is enabled) |
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KErrNotReady, if the interface is not ready. |
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307 |
|
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308 |
If the implementation has a combined receive/transmit register - half duplex operation only - this API is used to write to it. |
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309 |
If the implementation only supports a single transmit register for both frame phases, the aFramePhase argument shall be ignored and the |
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API shall write to the single register. The user of the API shall use the ReadRegisterModeStatus() API to determine under which frame |
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phase the data corresponds will be transmitted. |
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*/ |
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313 |
EXPORT_C TInt I2s::WriteTransmitRegister(TInt aInterfaceId, TI2sFramePhase aFramePhase, TInt aData) |
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{ |
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TUint16 chanId=CHANNEL_ID_FROM_INTERFACE_ID(aInterfaceId); |
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if(chanId >= TI2sManager::iChannelsNum) |
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return KErrArgument; |
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|
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return TI2sManager::iChannels[chanId]->WriteTransmitRegister(aFramePhase, aData); |
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320 |
} |
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321 |
|
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322 |
/** |
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323 |
Reads the transmit data register for a frame phase. |
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324 |
|
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@param aInterfaceId The interface Id. |
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@param aFramePhase One of TI2sFramePhase. |
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@param aData On return, contains the transmit data register contents. |
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328 |
|
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329 |
@return KErrNone, if successful; |
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330 |
KErrArgument, if aInterfaceId is invalid; |
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331 |
KErrNotSupported, if reading the transmit data register is not supported; |
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332 |
KErrNotReady, if the interface is not ready. |
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|
333 |
|
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334 |
If the implementation has a combined receive/transmit register this API is used to read from it (equivalent to ReadReceiveRegister()). |
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|
335 |
If the implementation only supports a single transmit register for both frame phases, the aFramePhase argument shall be ignored and the |
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336 |
API shall return the contents of the single register. The user of the API shall use the ReadRegisterModeStatus() API to determine |
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|
337 |
which frame phase the data corresponds to. |
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338 |
*/ |
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339 |
EXPORT_C TInt I2s::ReadTransmitRegister(TInt aInterfaceId, TI2sFramePhase aFramePhase, TInt& aData) |
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340 |
{ |
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341 |
TUint16 chanId=CHANNEL_ID_FROM_INTERFACE_ID(aInterfaceId); |
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342 |
if(chanId >= TI2sManager::iChannelsNum) |
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343 |
return KErrArgument; |
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344 |
|
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345 |
return TI2sManager::iChannels[chanId]->ReadTransmitRegister(aFramePhase, aData); |
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346 |
} |
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347 |
|
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348 |
/** |
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349 |
Reads the Register PIO access mode status flags for a frame phase. |
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350 |
|
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351 |
@param aInterfaceId The interface Id. |
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352 |
@param aFramePhase One of TI2sFramePhase. |
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353 |
@param aFlags On return, contains a bitmask with the status flags for the frame phase selected (see TI2sFlags). |
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A bit set to "1" indicates the condition described by the corresponding flag is occurring. |
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355 |
|
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356 |
@return KErrNone, if successful; |
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357 |
KErrArgument, if aInterfaceId is invalid; |
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358 |
KErrNotSupported, if reading the status flags for Register PIO mode is not supported by this implementation. |
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359 |
|
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360 |
The client driver may use one of IS_I2s_<CONDITION> macros to determine the status of individual conditions. |
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361 |
*/ |
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|
362 |
EXPORT_C TInt I2s::ReadRegisterModeStatus(TInt aInterfaceId, TI2sFramePhase aFramePhase, TInt& aFlags) |
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|
363 |
{ |
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|
364 |
TUint16 chanId=CHANNEL_ID_FROM_INTERFACE_ID(aInterfaceId); |
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|
365 |
if(chanId >= TI2sManager::iChannelsNum) |
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|
366 |
return KErrArgument; |
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|
367 |
|
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368 |
return TI2sManager::iChannels[chanId]->ReadRegisterModeStatus(aFramePhase, aFlags); |
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|
369 |
} |
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370 |
|
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Initial contribution supporting NaviEngine 1
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parents:
diff
changeset
|
371 |
/** |
5de814552237
Initial contribution supporting NaviEngine 1
Ryan Harkin <ryan.harkin@nokia.com>
parents:
diff
changeset
|
372 |
Enables Register PIO access mode related interrupts for a frame phase. |
5de814552237
Initial contribution supporting NaviEngine 1
Ryan Harkin <ryan.harkin@nokia.com>
parents:
diff
changeset
|
373 |
|
5de814552237
Initial contribution supporting NaviEngine 1
Ryan Harkin <ryan.harkin@nokia.com>
parents:
diff
changeset
|
374 |
@param aInterfaceId The interface Id. |
5de814552237
Initial contribution supporting NaviEngine 1
Ryan Harkin <ryan.harkin@nokia.com>
parents:
diff
changeset
|
375 |
@param aFramePhase One of TI2sFramePhase. |
5de814552237
Initial contribution supporting NaviEngine 1
Ryan Harkin <ryan.harkin@nokia.com>
parents:
diff
changeset
|
376 |
@param aInterrupt A bitmask containing the relevant interrupt flags (see TI2sFlags). |
5de814552237
Initial contribution supporting NaviEngine 1
Ryan Harkin <ryan.harkin@nokia.com>
parents:
diff
changeset
|
377 |
Bits set to "1" enable the corresponding interrupts. |
5de814552237
Initial contribution supporting NaviEngine 1
Ryan Harkin <ryan.harkin@nokia.com>
parents:
diff
changeset
|
378 |
|
5de814552237
Initial contribution supporting NaviEngine 1
Ryan Harkin <ryan.harkin@nokia.com>
parents:
diff
changeset
|
379 |
@return KErrNone, if successful; |
5de814552237
Initial contribution supporting NaviEngine 1
Ryan Harkin <ryan.harkin@nokia.com>
parents:
diff
changeset
|
380 |
KErrArgument, if aInterfaceId is invalid; |
5de814552237
Initial contribution supporting NaviEngine 1
Ryan Harkin <ryan.harkin@nokia.com>
parents:
diff
changeset
|
381 |
KErrNotSupported, if one of the selected interrupt conditions cannot be generated by this implementation. |
5de814552237
Initial contribution supporting NaviEngine 1
Ryan Harkin <ryan.harkin@nokia.com>
parents:
diff
changeset
|
382 |
|
5de814552237
Initial contribution supporting NaviEngine 1
Ryan Harkin <ryan.harkin@nokia.com>
parents:
diff
changeset
|
383 |
If the implementation only supports single transmit and receive registers for both frame phases, the aFramePhase argument is |
5de814552237
Initial contribution supporting NaviEngine 1
Ryan Harkin <ryan.harkin@nokia.com>
parents:
diff
changeset
|
384 |
ignored. |
5de814552237
Initial contribution supporting NaviEngine 1
Ryan Harkin <ryan.harkin@nokia.com>
parents:
diff
changeset
|
385 |
*/ |
5de814552237
Initial contribution supporting NaviEngine 1
Ryan Harkin <ryan.harkin@nokia.com>
parents:
diff
changeset
|
386 |
EXPORT_C TInt I2s::EnableRegisterInterrupts(TInt aInterfaceId, TI2sFramePhase aFramePhase, TInt aInterrupt) |
5de814552237
Initial contribution supporting NaviEngine 1
Ryan Harkin <ryan.harkin@nokia.com>
parents:
diff
changeset
|
387 |
{ |
5de814552237
Initial contribution supporting NaviEngine 1
Ryan Harkin <ryan.harkin@nokia.com>
parents:
diff
changeset
|
388 |
TUint16 chanId=CHANNEL_ID_FROM_INTERFACE_ID(aInterfaceId); |
5de814552237
Initial contribution supporting NaviEngine 1
Ryan Harkin <ryan.harkin@nokia.com>
parents:
diff
changeset
|
389 |
if(chanId >= TI2sManager::iChannelsNum) |
5de814552237
Initial contribution supporting NaviEngine 1
Ryan Harkin <ryan.harkin@nokia.com>
parents:
diff
changeset
|
390 |
return KErrArgument; |
5de814552237
Initial contribution supporting NaviEngine 1
Ryan Harkin <ryan.harkin@nokia.com>
parents:
diff
changeset
|
391 |
|
5de814552237
Initial contribution supporting NaviEngine 1
Ryan Harkin <ryan.harkin@nokia.com>
parents:
diff
changeset
|
392 |
return TI2sManager::iChannels[chanId]->EnableRegisterInterrupts(aFramePhase, aInterrupt); |
5de814552237
Initial contribution supporting NaviEngine 1
Ryan Harkin <ryan.harkin@nokia.com>
parents:
diff
changeset
|
393 |
} |
5de814552237
Initial contribution supporting NaviEngine 1
Ryan Harkin <ryan.harkin@nokia.com>
parents:
diff
changeset
|
394 |
|
5de814552237
Initial contribution supporting NaviEngine 1
Ryan Harkin <ryan.harkin@nokia.com>
parents:
diff
changeset
|
395 |
/** |
5de814552237
Initial contribution supporting NaviEngine 1
Ryan Harkin <ryan.harkin@nokia.com>
parents:
diff
changeset
|
396 |
Disables Register PIO access mode related interrupts for a frame phase. |
5de814552237
Initial contribution supporting NaviEngine 1
Ryan Harkin <ryan.harkin@nokia.com>
parents:
diff
changeset
|
397 |
|
5de814552237
Initial contribution supporting NaviEngine 1
Ryan Harkin <ryan.harkin@nokia.com>
parents:
diff
changeset
|
398 |
@param aInterfaceId The interface Id. |
5de814552237
Initial contribution supporting NaviEngine 1
Ryan Harkin <ryan.harkin@nokia.com>
parents:
diff
changeset
|
399 |
@param aFramePhase One of TI2sFramePhase. |
5de814552237
Initial contribution supporting NaviEngine 1
Ryan Harkin <ryan.harkin@nokia.com>
parents:
diff
changeset
|
400 |
@param aInterrupt A bitmask containing the relevant interrupt flags (see TI2sFlags). |
5de814552237
Initial contribution supporting NaviEngine 1
Ryan Harkin <ryan.harkin@nokia.com>
parents:
diff
changeset
|
401 |
Bits set to "1" disable the corresponding interrupts. |
5de814552237
Initial contribution supporting NaviEngine 1
Ryan Harkin <ryan.harkin@nokia.com>
parents:
diff
changeset
|
402 |
|
5de814552237
Initial contribution supporting NaviEngine 1
Ryan Harkin <ryan.harkin@nokia.com>
parents:
diff
changeset
|
403 |
@return KErrNone, if successful; |
5de814552237
Initial contribution supporting NaviEngine 1
Ryan Harkin <ryan.harkin@nokia.com>
parents:
diff
changeset
|
404 |
KErrArgument, if aInterfaceId is invalid; |
5de814552237
Initial contribution supporting NaviEngine 1
Ryan Harkin <ryan.harkin@nokia.com>
parents:
diff
changeset
|
405 |
KErrNotSupported, if one of the selected interrupt conditions cannot be generated by this implementation. |
5de814552237
Initial contribution supporting NaviEngine 1
Ryan Harkin <ryan.harkin@nokia.com>
parents:
diff
changeset
|
406 |
|
5de814552237
Initial contribution supporting NaviEngine 1
Ryan Harkin <ryan.harkin@nokia.com>
parents:
diff
changeset
|
407 |
If the implementation only supports single transmit and receive registers for both frame phases, the aFramePhase argument is |
5de814552237
Initial contribution supporting NaviEngine 1
Ryan Harkin <ryan.harkin@nokia.com>
parents:
diff
changeset
|
408 |
ignored. |
5de814552237
Initial contribution supporting NaviEngine 1
Ryan Harkin <ryan.harkin@nokia.com>
parents:
diff
changeset
|
409 |
*/ |
5de814552237
Initial contribution supporting NaviEngine 1
Ryan Harkin <ryan.harkin@nokia.com>
parents:
diff
changeset
|
410 |
EXPORT_C TInt I2s::DisableRegisterInterrupts(TInt aInterfaceId, TI2sFramePhase aFramePhase, TInt aInterrupt) |
5de814552237
Initial contribution supporting NaviEngine 1
Ryan Harkin <ryan.harkin@nokia.com>
parents:
diff
changeset
|
411 |
{ |
5de814552237
Initial contribution supporting NaviEngine 1
Ryan Harkin <ryan.harkin@nokia.com>
parents:
diff
changeset
|
412 |
TUint16 chanId=CHANNEL_ID_FROM_INTERFACE_ID(aInterfaceId); |
5de814552237
Initial contribution supporting NaviEngine 1
Ryan Harkin <ryan.harkin@nokia.com>
parents:
diff
changeset
|
413 |
if(chanId >= TI2sManager::iChannelsNum) |
5de814552237
Initial contribution supporting NaviEngine 1
Ryan Harkin <ryan.harkin@nokia.com>
parents:
diff
changeset
|
414 |
return KErrArgument; |
5de814552237
Initial contribution supporting NaviEngine 1
Ryan Harkin <ryan.harkin@nokia.com>
parents:
diff
changeset
|
415 |
|
5de814552237
Initial contribution supporting NaviEngine 1
Ryan Harkin <ryan.harkin@nokia.com>
parents:
diff
changeset
|
416 |
return TI2sManager::iChannels[chanId]->DisableRegisterInterrupts(aFramePhase, aInterrupt); |
5de814552237
Initial contribution supporting NaviEngine 1
Ryan Harkin <ryan.harkin@nokia.com>
parents:
diff
changeset
|
417 |
} |
5de814552237
Initial contribution supporting NaviEngine 1
Ryan Harkin <ryan.harkin@nokia.com>
parents:
diff
changeset
|
418 |
|
5de814552237
Initial contribution supporting NaviEngine 1
Ryan Harkin <ryan.harkin@nokia.com>
parents:
diff
changeset
|
419 |
/** |
5de814552237
Initial contribution supporting NaviEngine 1
Ryan Harkin <ryan.harkin@nokia.com>
parents:
diff
changeset
|
420 |
Reads the Register PIO access mode interrupt mask for a frame phase. |
5de814552237
Initial contribution supporting NaviEngine 1
Ryan Harkin <ryan.harkin@nokia.com>
parents:
diff
changeset
|
421 |
|
5de814552237
Initial contribution supporting NaviEngine 1
Ryan Harkin <ryan.harkin@nokia.com>
parents:
diff
changeset
|
422 |
@param aInterfaceId The interface Id. |
5de814552237
Initial contribution supporting NaviEngine 1
Ryan Harkin <ryan.harkin@nokia.com>
parents:
diff
changeset
|
423 |
@param aFramePhase One of TI2sFramePhase. |
5de814552237
Initial contribution supporting NaviEngine 1
Ryan Harkin <ryan.harkin@nokia.com>
parents:
diff
changeset
|
424 |
@param aEnabled On return, contains a bitmask with the interrupts which are enabled for the frame phase selected (see TI2sFlags). |
5de814552237
Initial contribution supporting NaviEngine 1
Ryan Harkin <ryan.harkin@nokia.com>
parents:
diff
changeset
|
425 |
A bit set to "1" indicates the corresponding interrupt is enabled. |
5de814552237
Initial contribution supporting NaviEngine 1
Ryan Harkin <ryan.harkin@nokia.com>
parents:
diff
changeset
|
426 |
|
5de814552237
Initial contribution supporting NaviEngine 1
Ryan Harkin <ryan.harkin@nokia.com>
parents:
diff
changeset
|
427 |
@return KErrNone, if successful; |
5de814552237
Initial contribution supporting NaviEngine 1
Ryan Harkin <ryan.harkin@nokia.com>
parents:
diff
changeset
|
428 |
KErrArgument, if aInterfaceId is invalid; |
5de814552237
Initial contribution supporting NaviEngine 1
Ryan Harkin <ryan.harkin@nokia.com>
parents:
diff
changeset
|
429 |
KErrNotSupported, if one of the selected interrupt conditions cannot be generated by this implementation. |
5de814552237
Initial contribution supporting NaviEngine 1
Ryan Harkin <ryan.harkin@nokia.com>
parents:
diff
changeset
|
430 |
|
5de814552237
Initial contribution supporting NaviEngine 1
Ryan Harkin <ryan.harkin@nokia.com>
parents:
diff
changeset
|
431 |
If the implementation only supports single transmit and receive registers for both frame phases, the aFramePhase argument is |
5de814552237
Initial contribution supporting NaviEngine 1
Ryan Harkin <ryan.harkin@nokia.com>
parents:
diff
changeset
|
432 |
ignored. |
5de814552237
Initial contribution supporting NaviEngine 1
Ryan Harkin <ryan.harkin@nokia.com>
parents:
diff
changeset
|
433 |
*/ |
5de814552237
Initial contribution supporting NaviEngine 1
Ryan Harkin <ryan.harkin@nokia.com>
parents:
diff
changeset
|
434 |
EXPORT_C TInt I2s::IsRegisterInterruptEnabled(TInt aInterfaceId, TI2sFramePhase aFramePhase, TInt& aEnabled) |
5de814552237
Initial contribution supporting NaviEngine 1
Ryan Harkin <ryan.harkin@nokia.com>
parents:
diff
changeset
|
435 |
{ |
5de814552237
Initial contribution supporting NaviEngine 1
Ryan Harkin <ryan.harkin@nokia.com>
parents:
diff
changeset
|
436 |
TUint16 chanId=CHANNEL_ID_FROM_INTERFACE_ID(aInterfaceId); |
5de814552237
Initial contribution supporting NaviEngine 1
Ryan Harkin <ryan.harkin@nokia.com>
parents:
diff
changeset
|
437 |
if(chanId >= TI2sManager::iChannelsNum) |
5de814552237
Initial contribution supporting NaviEngine 1
Ryan Harkin <ryan.harkin@nokia.com>
parents:
diff
changeset
|
438 |
return KErrArgument; |
5de814552237
Initial contribution supporting NaviEngine 1
Ryan Harkin <ryan.harkin@nokia.com>
parents:
diff
changeset
|
439 |
|
5de814552237
Initial contribution supporting NaviEngine 1
Ryan Harkin <ryan.harkin@nokia.com>
parents:
diff
changeset
|
440 |
return TI2sManager::iChannels[chanId]->IsRegisterInterruptEnabled(aFramePhase, aEnabled); |
5de814552237
Initial contribution supporting NaviEngine 1
Ryan Harkin <ryan.harkin@nokia.com>
parents:
diff
changeset
|
441 |
} |
5de814552237
Initial contribution supporting NaviEngine 1
Ryan Harkin <ryan.harkin@nokia.com>
parents:
diff
changeset
|
442 |
|
5de814552237
Initial contribution supporting NaviEngine 1
Ryan Harkin <ryan.harkin@nokia.com>
parents:
diff
changeset
|
443 |
/** |
5de814552237
Initial contribution supporting NaviEngine 1
Ryan Harkin <ryan.harkin@nokia.com>
parents:
diff
changeset
|
444 |
Enables receive and/or transmit FIFO on a per frame phase basis. |
5de814552237
Initial contribution supporting NaviEngine 1
Ryan Harkin <ryan.harkin@nokia.com>
parents:
diff
changeset
|
445 |
|
5de814552237
Initial contribution supporting NaviEngine 1
Ryan Harkin <ryan.harkin@nokia.com>
parents:
diff
changeset
|
446 |
@param aInterfaceId The interface Id. |
5de814552237
Initial contribution supporting NaviEngine 1
Ryan Harkin <ryan.harkin@nokia.com>
parents:
diff
changeset
|
447 |
@param aFramePhase One of TI2sFramePhase. |
5de814552237
Initial contribution supporting NaviEngine 1
Ryan Harkin <ryan.harkin@nokia.com>
parents:
diff
changeset
|
448 |
@param aFifoMask A bitmask specifying which FIFO direction(s) - receive and/or transmit - are to be enabled for the frame |
5de814552237
Initial contribution supporting NaviEngine 1
Ryan Harkin <ryan.harkin@nokia.com>
parents:
diff
changeset
|
449 |
phase selected (see TI2sDirection). |
5de814552237
Initial contribution supporting NaviEngine 1
Ryan Harkin <ryan.harkin@nokia.com>
parents:
diff
changeset
|
450 |
Bits set to "1" enable the corresponding FIFO. |
5de814552237
Initial contribution supporting NaviEngine 1
Ryan Harkin <ryan.harkin@nokia.com>
parents:
diff
changeset
|
451 |
|
5de814552237
Initial contribution supporting NaviEngine 1
Ryan Harkin <ryan.harkin@nokia.com>
parents:
diff
changeset
|
452 |
@return KErrNone, if successful; |
5de814552237
Initial contribution supporting NaviEngine 1
Ryan Harkin <ryan.harkin@nokia.com>
parents:
diff
changeset
|
453 |
KErrArgument, if aInterfaceId is invalid; |
5de814552237
Initial contribution supporting NaviEngine 1
Ryan Harkin <ryan.harkin@nokia.com>
parents:
diff
changeset
|
454 |
KErrNotSupported, if the implementation does no support FIFOs. |
5de814552237
Initial contribution supporting NaviEngine 1
Ryan Harkin <ryan.harkin@nokia.com>
parents:
diff
changeset
|
455 |
|
5de814552237
Initial contribution supporting NaviEngine 1
Ryan Harkin <ryan.harkin@nokia.com>
parents:
diff
changeset
|
456 |
If the implementation has a combined receive/transmit FIFO - half duplex operation only - then aFifoMask is ignored. |
5de814552237
Initial contribution supporting NaviEngine 1
Ryan Harkin <ryan.harkin@nokia.com>
parents:
diff
changeset
|
457 |
If the implementation only supports a single FIFO for both frame phases then aFramePhase is ignored. |
5de814552237
Initial contribution supporting NaviEngine 1
Ryan Harkin <ryan.harkin@nokia.com>
parents:
diff
changeset
|
458 |
*/ |
5de814552237
Initial contribution supporting NaviEngine 1
Ryan Harkin <ryan.harkin@nokia.com>
parents:
diff
changeset
|
459 |
EXPORT_C TInt I2s::EnableFIFO(TInt aInterfaceId, TI2sFramePhase aFramePhase, TInt aFifoMask) |
5de814552237
Initial contribution supporting NaviEngine 1
Ryan Harkin <ryan.harkin@nokia.com>
parents:
diff
changeset
|
460 |
{ |
5de814552237
Initial contribution supporting NaviEngine 1
Ryan Harkin <ryan.harkin@nokia.com>
parents:
diff
changeset
|
461 |
TUint16 chanId=CHANNEL_ID_FROM_INTERFACE_ID(aInterfaceId); |
5de814552237
Initial contribution supporting NaviEngine 1
Ryan Harkin <ryan.harkin@nokia.com>
parents:
diff
changeset
|
462 |
if(chanId >= TI2sManager::iChannelsNum) |
5de814552237
Initial contribution supporting NaviEngine 1
Ryan Harkin <ryan.harkin@nokia.com>
parents:
diff
changeset
|
463 |
return KErrArgument; |
5de814552237
Initial contribution supporting NaviEngine 1
Ryan Harkin <ryan.harkin@nokia.com>
parents:
diff
changeset
|
464 |
|
5de814552237
Initial contribution supporting NaviEngine 1
Ryan Harkin <ryan.harkin@nokia.com>
parents:
diff
changeset
|
465 |
return TI2sManager::iChannels[chanId]->EnableFIFO(aFramePhase, aFifoMask); |
5de814552237
Initial contribution supporting NaviEngine 1
Ryan Harkin <ryan.harkin@nokia.com>
parents:
diff
changeset
|
466 |
} |
5de814552237
Initial contribution supporting NaviEngine 1
Ryan Harkin <ryan.harkin@nokia.com>
parents:
diff
changeset
|
467 |
|
5de814552237
Initial contribution supporting NaviEngine 1
Ryan Harkin <ryan.harkin@nokia.com>
parents:
diff
changeset
|
468 |
/** |
5de814552237
Initial contribution supporting NaviEngine 1
Ryan Harkin <ryan.harkin@nokia.com>
parents:
diff
changeset
|
469 |
Disables receive and/or transmit FIFO on a per frame phase basis. |
5de814552237
Initial contribution supporting NaviEngine 1
Ryan Harkin <ryan.harkin@nokia.com>
parents:
diff
changeset
|
470 |
|
5de814552237
Initial contribution supporting NaviEngine 1
Ryan Harkin <ryan.harkin@nokia.com>
parents:
diff
changeset
|
471 |
@param aInterfaceId The interface Id. |
5de814552237
Initial contribution supporting NaviEngine 1
Ryan Harkin <ryan.harkin@nokia.com>
parents:
diff
changeset
|
472 |
@param aFramePhase One of TI2sFramePhase. |
5de814552237
Initial contribution supporting NaviEngine 1
Ryan Harkin <ryan.harkin@nokia.com>
parents:
diff
changeset
|
473 |
@param aFifoMask A bitmask specifying which FIFO direction(s) - receive and/or transmit - are to be disabled for the frame |
5de814552237
Initial contribution supporting NaviEngine 1
Ryan Harkin <ryan.harkin@nokia.com>
parents:
diff
changeset
|
474 |
phase selected (see TI2sDirection). |
5de814552237
Initial contribution supporting NaviEngine 1
Ryan Harkin <ryan.harkin@nokia.com>
parents:
diff
changeset
|
475 |
Bits set to "1" disable the corresponding FIFO. |
5de814552237
Initial contribution supporting NaviEngine 1
Ryan Harkin <ryan.harkin@nokia.com>
parents:
diff
changeset
|
476 |
|
5de814552237
Initial contribution supporting NaviEngine 1
Ryan Harkin <ryan.harkin@nokia.com>
parents:
diff
changeset
|
477 |
@return KErrNone, if successful; |
5de814552237
Initial contribution supporting NaviEngine 1
Ryan Harkin <ryan.harkin@nokia.com>
parents:
diff
changeset
|
478 |
KErrArgument, if aInterfaceId is invalid; |
5de814552237
Initial contribution supporting NaviEngine 1
Ryan Harkin <ryan.harkin@nokia.com>
parents:
diff
changeset
|
479 |
KErrNotSupported, if the implementation does no support FIFOs. |
5de814552237
Initial contribution supporting NaviEngine 1
Ryan Harkin <ryan.harkin@nokia.com>
parents:
diff
changeset
|
480 |
|
5de814552237
Initial contribution supporting NaviEngine 1
Ryan Harkin <ryan.harkin@nokia.com>
parents:
diff
changeset
|
481 |
If the implementation has a combined receive/transmit FIFO - half duplex operation only - then aFifoMask is ignored. |
5de814552237
Initial contribution supporting NaviEngine 1
Ryan Harkin <ryan.harkin@nokia.com>
parents:
diff
changeset
|
482 |
If the implementation only supports a single FIFO for both frame phases then aFramePhase is ignored. |
5de814552237
Initial contribution supporting NaviEngine 1
Ryan Harkin <ryan.harkin@nokia.com>
parents:
diff
changeset
|
483 |
*/ |
5de814552237
Initial contribution supporting NaviEngine 1
Ryan Harkin <ryan.harkin@nokia.com>
parents:
diff
changeset
|
484 |
EXPORT_C TInt I2s::DisableFIFO(TInt aInterfaceId, TI2sFramePhase aFramePhase, TInt aFifoMask) |
5de814552237
Initial contribution supporting NaviEngine 1
Ryan Harkin <ryan.harkin@nokia.com>
parents:
diff
changeset
|
485 |
{ |
5de814552237
Initial contribution supporting NaviEngine 1
Ryan Harkin <ryan.harkin@nokia.com>
parents:
diff
changeset
|
486 |
TUint16 chanId=CHANNEL_ID_FROM_INTERFACE_ID(aInterfaceId); |
5de814552237
Initial contribution supporting NaviEngine 1
Ryan Harkin <ryan.harkin@nokia.com>
parents:
diff
changeset
|
487 |
if(chanId >= TI2sManager::iChannelsNum) |
5de814552237
Initial contribution supporting NaviEngine 1
Ryan Harkin <ryan.harkin@nokia.com>
parents:
diff
changeset
|
488 |
return KErrArgument; |
5de814552237
Initial contribution supporting NaviEngine 1
Ryan Harkin <ryan.harkin@nokia.com>
parents:
diff
changeset
|
489 |
|
5de814552237
Initial contribution supporting NaviEngine 1
Ryan Harkin <ryan.harkin@nokia.com>
parents:
diff
changeset
|
490 |
return TI2sManager::iChannels[chanId]->DisableFIFO(aFramePhase, aFifoMask); |
5de814552237
Initial contribution supporting NaviEngine 1
Ryan Harkin <ryan.harkin@nokia.com>
parents:
diff
changeset
|
491 |
} |
5de814552237
Initial contribution supporting NaviEngine 1
Ryan Harkin <ryan.harkin@nokia.com>
parents:
diff
changeset
|
492 |
|
5de814552237
Initial contribution supporting NaviEngine 1
Ryan Harkin <ryan.harkin@nokia.com>
parents:
diff
changeset
|
493 |
/** |
5de814552237
Initial contribution supporting NaviEngine 1
Ryan Harkin <ryan.harkin@nokia.com>
parents:
diff
changeset
|
494 |
Reads the enabled state of a frame phase's FIFOs. |
5de814552237
Initial contribution supporting NaviEngine 1
Ryan Harkin <ryan.harkin@nokia.com>
parents:
diff
changeset
|
495 |
|
5de814552237
Initial contribution supporting NaviEngine 1
Ryan Harkin <ryan.harkin@nokia.com>
parents:
diff
changeset
|
496 |
@param aInterfaceId The interface Id. |
5de814552237
Initial contribution supporting NaviEngine 1
Ryan Harkin <ryan.harkin@nokia.com>
parents:
diff
changeset
|
497 |
@param aFramePhase One of TI2sFramePhase. |
5de814552237
Initial contribution supporting NaviEngine 1
Ryan Harkin <ryan.harkin@nokia.com>
parents:
diff
changeset
|
498 |
@param aEnabled On return, contains a bitmask indicating which FIFOs which are enabled for the frame phase selected (see TI2sDirection). |
5de814552237
Initial contribution supporting NaviEngine 1
Ryan Harkin <ryan.harkin@nokia.com>
parents:
diff
changeset
|
499 |
A bit set to "1" indicates the corresponding FIFO is enabled. |
5de814552237
Initial contribution supporting NaviEngine 1
Ryan Harkin <ryan.harkin@nokia.com>
parents:
diff
changeset
|
500 |
|
5de814552237
Initial contribution supporting NaviEngine 1
Ryan Harkin <ryan.harkin@nokia.com>
parents:
diff
changeset
|
501 |
@return KErrNone, if successful; |
5de814552237
Initial contribution supporting NaviEngine 1
Ryan Harkin <ryan.harkin@nokia.com>
parents:
diff
changeset
|
502 |
KErrArgument, if aInterfaceId is invalid; |
5de814552237
Initial contribution supporting NaviEngine 1
Ryan Harkin <ryan.harkin@nokia.com>
parents:
diff
changeset
|
503 |
KErrNotSupported, if the implementation does no support FIFOs. |
5de814552237
Initial contribution supporting NaviEngine 1
Ryan Harkin <ryan.harkin@nokia.com>
parents:
diff
changeset
|
504 |
|
5de814552237
Initial contribution supporting NaviEngine 1
Ryan Harkin <ryan.harkin@nokia.com>
parents:
diff
changeset
|
505 |
If the implementation has a combined receive/transmit FIFO - half duplex operation only - then aEnabled will have |
5de814552237
Initial contribution supporting NaviEngine 1
Ryan Harkin <ryan.harkin@nokia.com>
parents:
diff
changeset
|
506 |
both Rx and Tx bits set when the FIFO is enabled. |
5de814552237
Initial contribution supporting NaviEngine 1
Ryan Harkin <ryan.harkin@nokia.com>
parents:
diff
changeset
|
507 |
If the implementation only supports a single FIFO for both frame phases then aFramePhase is ignored. |
5de814552237
Initial contribution supporting NaviEngine 1
Ryan Harkin <ryan.harkin@nokia.com>
parents:
diff
changeset
|
508 |
*/ |
5de814552237
Initial contribution supporting NaviEngine 1
Ryan Harkin <ryan.harkin@nokia.com>
parents:
diff
changeset
|
509 |
EXPORT_C TInt I2s::IsFIFOEnabled(TInt aInterfaceId, TI2sFramePhase aFramePhase, TInt& aEnabled) |
5de814552237
Initial contribution supporting NaviEngine 1
Ryan Harkin <ryan.harkin@nokia.com>
parents:
diff
changeset
|
510 |
{ |
5de814552237
Initial contribution supporting NaviEngine 1
Ryan Harkin <ryan.harkin@nokia.com>
parents:
diff
changeset
|
511 |
TUint16 chanId=CHANNEL_ID_FROM_INTERFACE_ID(aInterfaceId); |
5de814552237
Initial contribution supporting NaviEngine 1
Ryan Harkin <ryan.harkin@nokia.com>
parents:
diff
changeset
|
512 |
if(chanId >= TI2sManager::iChannelsNum) |
5de814552237
Initial contribution supporting NaviEngine 1
Ryan Harkin <ryan.harkin@nokia.com>
parents:
diff
changeset
|
513 |
return KErrArgument; |
5de814552237
Initial contribution supporting NaviEngine 1
Ryan Harkin <ryan.harkin@nokia.com>
parents:
diff
changeset
|
514 |
|
5de814552237
Initial contribution supporting NaviEngine 1
Ryan Harkin <ryan.harkin@nokia.com>
parents:
diff
changeset
|
515 |
return TI2sManager::iChannels[chanId]->IsFIFOEnabled(aFramePhase, aEnabled); |
5de814552237
Initial contribution supporting NaviEngine 1
Ryan Harkin <ryan.harkin@nokia.com>
parents:
diff
changeset
|
516 |
} |
5de814552237
Initial contribution supporting NaviEngine 1
Ryan Harkin <ryan.harkin@nokia.com>
parents:
diff
changeset
|
517 |
|
5de814552237
Initial contribution supporting NaviEngine 1
Ryan Harkin <ryan.harkin@nokia.com>
parents:
diff
changeset
|
518 |
/** |
5de814552237
Initial contribution supporting NaviEngine 1
Ryan Harkin <ryan.harkin@nokia.com>
parents:
diff
changeset
|
519 |
Sets the receive or transmit FIFO threshold on a per frame phase basis. |
5de814552237
Initial contribution supporting NaviEngine 1
Ryan Harkin <ryan.harkin@nokia.com>
parents:
diff
changeset
|
520 |
|
5de814552237
Initial contribution supporting NaviEngine 1
Ryan Harkin <ryan.harkin@nokia.com>
parents:
diff
changeset
|
521 |
@param aInterfaceId The interface Id. |
5de814552237
Initial contribution supporting NaviEngine 1
Ryan Harkin <ryan.harkin@nokia.com>
parents:
diff
changeset
|
522 |
@param aFramePhase One of TI2sFramePhase. |
5de814552237
Initial contribution supporting NaviEngine 1
Ryan Harkin <ryan.harkin@nokia.com>
parents:
diff
changeset
|
523 |
@param aDirection One of TDirection. |
5de814552237
Initial contribution supporting NaviEngine 1
Ryan Harkin <ryan.harkin@nokia.com>
parents:
diff
changeset
|
524 |
@param aThreshold A threshold level at which a receive FIFO is considered full or a transmit FIFO is considered empty. |
5de814552237
Initial contribution supporting NaviEngine 1
Ryan Harkin <ryan.harkin@nokia.com>
parents:
diff
changeset
|
525 |
|
5de814552237
Initial contribution supporting NaviEngine 1
Ryan Harkin <ryan.harkin@nokia.com>
parents:
diff
changeset
|
526 |
@return KErrNone, if successful; |
5de814552237
Initial contribution supporting NaviEngine 1
Ryan Harkin <ryan.harkin@nokia.com>
parents:
diff
changeset
|
527 |
KErrArgument, if aInterfaceId is invalid; |
5de814552237
Initial contribution supporting NaviEngine 1
Ryan Harkin <ryan.harkin@nokia.com>
parents:
diff
changeset
|
528 |
KErrNotSupported, if the implementation does no support FIFOs; |
5de814552237
Initial contribution supporting NaviEngine 1
Ryan Harkin <ryan.harkin@nokia.com>
parents:
diff
changeset
|
529 |
KErrOverflow if the threshold level requested exceeds the FIFO length (or the admissible highest level allowed) |
5de814552237
Initial contribution supporting NaviEngine 1
Ryan Harkin <ryan.harkin@nokia.com>
parents:
diff
changeset
|
530 |
KErrUnderflow if the threshold level requested is less than the minimum threshold allowed. |
5de814552237
Initial contribution supporting NaviEngine 1
Ryan Harkin <ryan.harkin@nokia.com>
parents:
diff
changeset
|
531 |
|
5de814552237
Initial contribution supporting NaviEngine 1
Ryan Harkin <ryan.harkin@nokia.com>
parents:
diff
changeset
|
532 |
If the implementation has a combined receive/transmit FIFO - half duplex operation only - then aDirection is ignored. |
5de814552237
Initial contribution supporting NaviEngine 1
Ryan Harkin <ryan.harkin@nokia.com>
parents:
diff
changeset
|
533 |
If the implementation only supports a single FIFO for both frame phases then aFramePhase is ignored. |
5de814552237
Initial contribution supporting NaviEngine 1
Ryan Harkin <ryan.harkin@nokia.com>
parents:
diff
changeset
|
534 |
*/ |
5de814552237
Initial contribution supporting NaviEngine 1
Ryan Harkin <ryan.harkin@nokia.com>
parents:
diff
changeset
|
535 |
EXPORT_C TInt I2s::SetFIFOThreshold(TInt aInterfaceId, TI2sFramePhase aFramePhase, TI2sDirection aDirection, TInt aThreshold) |
5de814552237
Initial contribution supporting NaviEngine 1
Ryan Harkin <ryan.harkin@nokia.com>
parents:
diff
changeset
|
536 |
{ |
5de814552237
Initial contribution supporting NaviEngine 1
Ryan Harkin <ryan.harkin@nokia.com>
parents:
diff
changeset
|
537 |
TUint16 chanId=CHANNEL_ID_FROM_INTERFACE_ID(aInterfaceId); |
5de814552237
Initial contribution supporting NaviEngine 1
Ryan Harkin <ryan.harkin@nokia.com>
parents:
diff
changeset
|
538 |
if(chanId >= TI2sManager::iChannelsNum) |
5de814552237
Initial contribution supporting NaviEngine 1
Ryan Harkin <ryan.harkin@nokia.com>
parents:
diff
changeset
|
539 |
return KErrArgument; |
5de814552237
Initial contribution supporting NaviEngine 1
Ryan Harkin <ryan.harkin@nokia.com>
parents:
diff
changeset
|
540 |
|
5de814552237
Initial contribution supporting NaviEngine 1
Ryan Harkin <ryan.harkin@nokia.com>
parents:
diff
changeset
|
541 |
return TI2sManager::iChannels[chanId]->SetFIFOThreshold(aFramePhase, aDirection, aThreshold); |
5de814552237
Initial contribution supporting NaviEngine 1
Ryan Harkin <ryan.harkin@nokia.com>
parents:
diff
changeset
|
542 |
} |
5de814552237
Initial contribution supporting NaviEngine 1
Ryan Harkin <ryan.harkin@nokia.com>
parents:
diff
changeset
|
543 |
|
5de814552237
Initial contribution supporting NaviEngine 1
Ryan Harkin <ryan.harkin@nokia.com>
parents:
diff
changeset
|
544 |
/** |
5de814552237
Initial contribution supporting NaviEngine 1
Ryan Harkin <ryan.harkin@nokia.com>
parents:
diff
changeset
|
545 |
Reads the FIFO PIO access mode status flags for a frame phase. |
5de814552237
Initial contribution supporting NaviEngine 1
Ryan Harkin <ryan.harkin@nokia.com>
parents:
diff
changeset
|
546 |
|
5de814552237
Initial contribution supporting NaviEngine 1
Ryan Harkin <ryan.harkin@nokia.com>
parents:
diff
changeset
|
547 |
@param aInterfaceId The interface Id. |
5de814552237
Initial contribution supporting NaviEngine 1
Ryan Harkin <ryan.harkin@nokia.com>
parents:
diff
changeset
|
548 |
@param aFramePhase One of TI2sFramePhase. |
5de814552237
Initial contribution supporting NaviEngine 1
Ryan Harkin <ryan.harkin@nokia.com>
parents:
diff
changeset
|
549 |
@param aFlags On return, contains a bitmask with the status flags for the frame phase selected (see TI2sFlags). |
5de814552237
Initial contribution supporting NaviEngine 1
Ryan Harkin <ryan.harkin@nokia.com>
parents:
diff
changeset
|
550 |
A bit set to "1" indicates the condition described by the corresponding flag is occurring. |
5de814552237
Initial contribution supporting NaviEngine 1
Ryan Harkin <ryan.harkin@nokia.com>
parents:
diff
changeset
|
551 |
|
5de814552237
Initial contribution supporting NaviEngine 1
Ryan Harkin <ryan.harkin@nokia.com>
parents:
diff
changeset
|
552 |
@return KErrNone, if successful; |
5de814552237
Initial contribution supporting NaviEngine 1
Ryan Harkin <ryan.harkin@nokia.com>
parents:
diff
changeset
|
553 |
KErrArgument, if aInterfaceId is invalid; |
5de814552237
Initial contribution supporting NaviEngine 1
Ryan Harkin <ryan.harkin@nokia.com>
parents:
diff
changeset
|
554 |
KErrNotSupported, if reading the status flags for FIFO PIO mode is not supported by this implementation. |
5de814552237
Initial contribution supporting NaviEngine 1
Ryan Harkin <ryan.harkin@nokia.com>
parents:
diff
changeset
|
555 |
|
5de814552237
Initial contribution supporting NaviEngine 1
Ryan Harkin <ryan.harkin@nokia.com>
parents:
diff
changeset
|
556 |
The client driver may use one of IS_I2s_<CONDITION> macros to determine the status of individual conditions. |
5de814552237
Initial contribution supporting NaviEngine 1
Ryan Harkin <ryan.harkin@nokia.com>
parents:
diff
changeset
|
557 |
If the implementation has a combined receive/transmit FIFO - half duplex operation only - then aFlags will be set according |
5de814552237
Initial contribution supporting NaviEngine 1
Ryan Harkin <ryan.harkin@nokia.com>
parents:
diff
changeset
|
558 |
to which operation (receive/transmit) is undergoing. |
5de814552237
Initial contribution supporting NaviEngine 1
Ryan Harkin <ryan.harkin@nokia.com>
parents:
diff
changeset
|
559 |
If the implementation only supports a single FIFO for both frame phases then aFramePhase is ignored. |
5de814552237
Initial contribution supporting NaviEngine 1
Ryan Harkin <ryan.harkin@nokia.com>
parents:
diff
changeset
|
560 |
*/ |
5de814552237
Initial contribution supporting NaviEngine 1
Ryan Harkin <ryan.harkin@nokia.com>
parents:
diff
changeset
|
561 |
EXPORT_C TInt I2s::ReadFIFOModeStatus(TInt aInterfaceId, TI2sFramePhase aFramePhase, TInt& aFlags) |
5de814552237
Initial contribution supporting NaviEngine 1
Ryan Harkin <ryan.harkin@nokia.com>
parents:
diff
changeset
|
562 |
{ |
5de814552237
Initial contribution supporting NaviEngine 1
Ryan Harkin <ryan.harkin@nokia.com>
parents:
diff
changeset
|
563 |
TUint16 chanId=CHANNEL_ID_FROM_INTERFACE_ID(aInterfaceId); |
5de814552237
Initial contribution supporting NaviEngine 1
Ryan Harkin <ryan.harkin@nokia.com>
parents:
diff
changeset
|
564 |
if(chanId >= TI2sManager::iChannelsNum) |
5de814552237
Initial contribution supporting NaviEngine 1
Ryan Harkin <ryan.harkin@nokia.com>
parents:
diff
changeset
|
565 |
return KErrArgument; |
5de814552237
Initial contribution supporting NaviEngine 1
Ryan Harkin <ryan.harkin@nokia.com>
parents:
diff
changeset
|
566 |
|
5de814552237
Initial contribution supporting NaviEngine 1
Ryan Harkin <ryan.harkin@nokia.com>
parents:
diff
changeset
|
567 |
return TI2sManager::iChannels[chanId]->ReadFIFOModeStatus(aFramePhase, aFlags); |
5de814552237
Initial contribution supporting NaviEngine 1
Ryan Harkin <ryan.harkin@nokia.com>
parents:
diff
changeset
|
568 |
} |
5de814552237
Initial contribution supporting NaviEngine 1
Ryan Harkin <ryan.harkin@nokia.com>
parents:
diff
changeset
|
569 |
|
5de814552237
Initial contribution supporting NaviEngine 1
Ryan Harkin <ryan.harkin@nokia.com>
parents:
diff
changeset
|
570 |
/** |
5de814552237
Initial contribution supporting NaviEngine 1
Ryan Harkin <ryan.harkin@nokia.com>
parents:
diff
changeset
|
571 |
Enables FIFO related interrupts for a frame phase. |
5de814552237
Initial contribution supporting NaviEngine 1
Ryan Harkin <ryan.harkin@nokia.com>
parents:
diff
changeset
|
572 |
|
5de814552237
Initial contribution supporting NaviEngine 1
Ryan Harkin <ryan.harkin@nokia.com>
parents:
diff
changeset
|
573 |
@param aInterfaceId The interface Id. |
5de814552237
Initial contribution supporting NaviEngine 1
Ryan Harkin <ryan.harkin@nokia.com>
parents:
diff
changeset
|
574 |
@param aFramePhase One of TI2sFramePhase. |
5de814552237
Initial contribution supporting NaviEngine 1
Ryan Harkin <ryan.harkin@nokia.com>
parents:
diff
changeset
|
575 |
@param aInterrupt A bitmask containing the relevant interrupt flags (see TI2sFlags). |
5de814552237
Initial contribution supporting NaviEngine 1
Ryan Harkin <ryan.harkin@nokia.com>
parents:
diff
changeset
|
576 |
Bits set to "1" enable the corresponding interrupts. |
5de814552237
Initial contribution supporting NaviEngine 1
Ryan Harkin <ryan.harkin@nokia.com>
parents:
diff
changeset
|
577 |
|
5de814552237
Initial contribution supporting NaviEngine 1
Ryan Harkin <ryan.harkin@nokia.com>
parents:
diff
changeset
|
578 |
@return KErrNone, if successful; |
5de814552237
Initial contribution supporting NaviEngine 1
Ryan Harkin <ryan.harkin@nokia.com>
parents:
diff
changeset
|
579 |
KErrArgument, if aInterfaceId is invalid; |
5de814552237
Initial contribution supporting NaviEngine 1
Ryan Harkin <ryan.harkin@nokia.com>
parents:
diff
changeset
|
580 |
KErrNotSupported, if one of the selected interrupt conditions cannot be generated by this implementation. |
5de814552237
Initial contribution supporting NaviEngine 1
Ryan Harkin <ryan.harkin@nokia.com>
parents:
diff
changeset
|
581 |
|
5de814552237
Initial contribution supporting NaviEngine 1
Ryan Harkin <ryan.harkin@nokia.com>
parents:
diff
changeset
|
582 |
If the implementation only supports single transmit and receive FIFO for both frame phases, the aFramePhase argument is |
5de814552237
Initial contribution supporting NaviEngine 1
Ryan Harkin <ryan.harkin@nokia.com>
parents:
diff
changeset
|
583 |
ignored. |
5de814552237
Initial contribution supporting NaviEngine 1
Ryan Harkin <ryan.harkin@nokia.com>
parents:
diff
changeset
|
584 |
*/ |
5de814552237
Initial contribution supporting NaviEngine 1
Ryan Harkin <ryan.harkin@nokia.com>
parents:
diff
changeset
|
585 |
EXPORT_C TInt I2s::EnableFIFOInterrupts(TInt aInterfaceId, TI2sFramePhase aFramePhase, TInt aInterrupt) |
5de814552237
Initial contribution supporting NaviEngine 1
Ryan Harkin <ryan.harkin@nokia.com>
parents:
diff
changeset
|
586 |
{ |
5de814552237
Initial contribution supporting NaviEngine 1
Ryan Harkin <ryan.harkin@nokia.com>
parents:
diff
changeset
|
587 |
TUint16 chanId=CHANNEL_ID_FROM_INTERFACE_ID(aInterfaceId); |
5de814552237
Initial contribution supporting NaviEngine 1
Ryan Harkin <ryan.harkin@nokia.com>
parents:
diff
changeset
|
588 |
if(chanId >= TI2sManager::iChannelsNum) |
5de814552237
Initial contribution supporting NaviEngine 1
Ryan Harkin <ryan.harkin@nokia.com>
parents:
diff
changeset
|
589 |
return KErrArgument; |
5de814552237
Initial contribution supporting NaviEngine 1
Ryan Harkin <ryan.harkin@nokia.com>
parents:
diff
changeset
|
590 |
|
5de814552237
Initial contribution supporting NaviEngine 1
Ryan Harkin <ryan.harkin@nokia.com>
parents:
diff
changeset
|
591 |
return TI2sManager::iChannels[chanId]->EnableFIFOInterrupts(aFramePhase, aInterrupt); |
5de814552237
Initial contribution supporting NaviEngine 1
Ryan Harkin <ryan.harkin@nokia.com>
parents:
diff
changeset
|
592 |
} |
5de814552237
Initial contribution supporting NaviEngine 1
Ryan Harkin <ryan.harkin@nokia.com>
parents:
diff
changeset
|
593 |
|
5de814552237
Initial contribution supporting NaviEngine 1
Ryan Harkin <ryan.harkin@nokia.com>
parents:
diff
changeset
|
594 |
/** |
5de814552237
Initial contribution supporting NaviEngine 1
Ryan Harkin <ryan.harkin@nokia.com>
parents:
diff
changeset
|
595 |
Disables FIFO related interrupts for a frame phase. |
5de814552237
Initial contribution supporting NaviEngine 1
Ryan Harkin <ryan.harkin@nokia.com>
parents:
diff
changeset
|
596 |
|
5de814552237
Initial contribution supporting NaviEngine 1
Ryan Harkin <ryan.harkin@nokia.com>
parents:
diff
changeset
|
597 |
@param aInterfaceId The interface Id. |
5de814552237
Initial contribution supporting NaviEngine 1
Ryan Harkin <ryan.harkin@nokia.com>
parents:
diff
changeset
|
598 |
@param aFramePhase One of TI2sFramePhase. |
5de814552237
Initial contribution supporting NaviEngine 1
Ryan Harkin <ryan.harkin@nokia.com>
parents:
diff
changeset
|
599 |
@param aInterrupt A bitmask containing the relevant interrupt flags (see TI2sFlags). |
5de814552237
Initial contribution supporting NaviEngine 1
Ryan Harkin <ryan.harkin@nokia.com>
parents:
diff
changeset
|
600 |
Bits set to "1" disable the corresponding interrupts. |
5de814552237
Initial contribution supporting NaviEngine 1
Ryan Harkin <ryan.harkin@nokia.com>
parents:
diff
changeset
|
601 |
|
5de814552237
Initial contribution supporting NaviEngine 1
Ryan Harkin <ryan.harkin@nokia.com>
parents:
diff
changeset
|
602 |
@return KErrNone, if successful; |
5de814552237
Initial contribution supporting NaviEngine 1
Ryan Harkin <ryan.harkin@nokia.com>
parents:
diff
changeset
|
603 |
KErrArgument, if aInterfaceId is invalid; |
5de814552237
Initial contribution supporting NaviEngine 1
Ryan Harkin <ryan.harkin@nokia.com>
parents:
diff
changeset
|
604 |
KErrNotSupported, if one of the selected interrupt conditions cannot be generated by this implementation. |
5de814552237
Initial contribution supporting NaviEngine 1
Ryan Harkin <ryan.harkin@nokia.com>
parents:
diff
changeset
|
605 |
|
5de814552237
Initial contribution supporting NaviEngine 1
Ryan Harkin <ryan.harkin@nokia.com>
parents:
diff
changeset
|
606 |
If the implementation only supports single transmit and receive FIFO for both frame phases, the aFramePhase argument is |
5de814552237
Initial contribution supporting NaviEngine 1
Ryan Harkin <ryan.harkin@nokia.com>
parents:
diff
changeset
|
607 |
ignored. |
5de814552237
Initial contribution supporting NaviEngine 1
Ryan Harkin <ryan.harkin@nokia.com>
parents:
diff
changeset
|
608 |
*/ |
5de814552237
Initial contribution supporting NaviEngine 1
Ryan Harkin <ryan.harkin@nokia.com>
parents:
diff
changeset
|
609 |
EXPORT_C TInt I2s::DisableFIFOInterrupts(TInt aInterfaceId, TI2sFramePhase aFramePhase, TInt aInterrupt) |
5de814552237
Initial contribution supporting NaviEngine 1
Ryan Harkin <ryan.harkin@nokia.com>
parents:
diff
changeset
|
610 |
{ |
5de814552237
Initial contribution supporting NaviEngine 1
Ryan Harkin <ryan.harkin@nokia.com>
parents:
diff
changeset
|
611 |
TUint16 chanId=CHANNEL_ID_FROM_INTERFACE_ID(aInterfaceId); |
5de814552237
Initial contribution supporting NaviEngine 1
Ryan Harkin <ryan.harkin@nokia.com>
parents:
diff
changeset
|
612 |
if(chanId >= TI2sManager::iChannelsNum) |
5de814552237
Initial contribution supporting NaviEngine 1
Ryan Harkin <ryan.harkin@nokia.com>
parents:
diff
changeset
|
613 |
return KErrArgument; |
5de814552237
Initial contribution supporting NaviEngine 1
Ryan Harkin <ryan.harkin@nokia.com>
parents:
diff
changeset
|
614 |
|
5de814552237
Initial contribution supporting NaviEngine 1
Ryan Harkin <ryan.harkin@nokia.com>
parents:
diff
changeset
|
615 |
return TI2sManager::iChannels[chanId]->DisableFIFOInterrupts(aFramePhase, aInterrupt); |
5de814552237
Initial contribution supporting NaviEngine 1
Ryan Harkin <ryan.harkin@nokia.com>
parents:
diff
changeset
|
616 |
} |
5de814552237
Initial contribution supporting NaviEngine 1
Ryan Harkin <ryan.harkin@nokia.com>
parents:
diff
changeset
|
617 |
|
5de814552237
Initial contribution supporting NaviEngine 1
Ryan Harkin <ryan.harkin@nokia.com>
parents:
diff
changeset
|
618 |
/** |
5de814552237
Initial contribution supporting NaviEngine 1
Ryan Harkin <ryan.harkin@nokia.com>
parents:
diff
changeset
|
619 |
Reads the FIFO interrupt masks for a frame phase. |
5de814552237
Initial contribution supporting NaviEngine 1
Ryan Harkin <ryan.harkin@nokia.com>
parents:
diff
changeset
|
620 |
|
5de814552237
Initial contribution supporting NaviEngine 1
Ryan Harkin <ryan.harkin@nokia.com>
parents:
diff
changeset
|
621 |
@param aInterfaceId The interface Id. |
5de814552237
Initial contribution supporting NaviEngine 1
Ryan Harkin <ryan.harkin@nokia.com>
parents:
diff
changeset
|
622 |
@param aFramePhase One of TI2sFramePhase. |
5de814552237
Initial contribution supporting NaviEngine 1
Ryan Harkin <ryan.harkin@nokia.com>
parents:
diff
changeset
|
623 |
@param aEnabled On return, contains a bitmask with the interrupts which are enabled for the frame phase selected (see TI2sFlags). |
5de814552237
Initial contribution supporting NaviEngine 1
Ryan Harkin <ryan.harkin@nokia.com>
parents:
diff
changeset
|
624 |
A bit set to "1" indicates the corresponding interrupt is enabled. |
5de814552237
Initial contribution supporting NaviEngine 1
Ryan Harkin <ryan.harkin@nokia.com>
parents:
diff
changeset
|
625 |
|
5de814552237
Initial contribution supporting NaviEngine 1
Ryan Harkin <ryan.harkin@nokia.com>
parents:
diff
changeset
|
626 |
@return KErrNone, if successful; |
5de814552237
Initial contribution supporting NaviEngine 1
Ryan Harkin <ryan.harkin@nokia.com>
parents:
diff
changeset
|
627 |
KErrArgument, if aInterfaceId is invalid; |
5de814552237
Initial contribution supporting NaviEngine 1
Ryan Harkin <ryan.harkin@nokia.com>
parents:
diff
changeset
|
628 |
KErrNotSupported, if one of the selected interrupt conditions cannot be generated by this implementation. |
5de814552237
Initial contribution supporting NaviEngine 1
Ryan Harkin <ryan.harkin@nokia.com>
parents:
diff
changeset
|
629 |
*/ |
5de814552237
Initial contribution supporting NaviEngine 1
Ryan Harkin <ryan.harkin@nokia.com>
parents:
diff
changeset
|
630 |
EXPORT_C TInt I2s::IsFIFOInterruptEnabled(TInt aInterfaceId, TI2sFramePhase aFramePhase, TInt& aEnabled) |
5de814552237
Initial contribution supporting NaviEngine 1
Ryan Harkin <ryan.harkin@nokia.com>
parents:
diff
changeset
|
631 |
{ |
5de814552237
Initial contribution supporting NaviEngine 1
Ryan Harkin <ryan.harkin@nokia.com>
parents:
diff
changeset
|
632 |
TUint16 chanId=CHANNEL_ID_FROM_INTERFACE_ID(aInterfaceId); |
5de814552237
Initial contribution supporting NaviEngine 1
Ryan Harkin <ryan.harkin@nokia.com>
parents:
diff
changeset
|
633 |
if(chanId >= TI2sManager::iChannelsNum) |
5de814552237
Initial contribution supporting NaviEngine 1
Ryan Harkin <ryan.harkin@nokia.com>
parents:
diff
changeset
|
634 |
return KErrArgument; |
5de814552237
Initial contribution supporting NaviEngine 1
Ryan Harkin <ryan.harkin@nokia.com>
parents:
diff
changeset
|
635 |
|
5de814552237
Initial contribution supporting NaviEngine 1
Ryan Harkin <ryan.harkin@nokia.com>
parents:
diff
changeset
|
636 |
return TI2sManager::iChannels[chanId]->IsFIFOInterruptEnabled(aFramePhase, aEnabled); |
5de814552237
Initial contribution supporting NaviEngine 1
Ryan Harkin <ryan.harkin@nokia.com>
parents:
diff
changeset
|
637 |
} |
5de814552237
Initial contribution supporting NaviEngine 1
Ryan Harkin <ryan.harkin@nokia.com>
parents:
diff
changeset
|
638 |
|
5de814552237
Initial contribution supporting NaviEngine 1
Ryan Harkin <ryan.harkin@nokia.com>
parents:
diff
changeset
|
639 |
/** |
5de814552237
Initial contribution supporting NaviEngine 1
Ryan Harkin <ryan.harkin@nokia.com>
parents:
diff
changeset
|
640 |
Reads the receive or transmit FIFO current level on a per frame phase basis. |
5de814552237
Initial contribution supporting NaviEngine 1
Ryan Harkin <ryan.harkin@nokia.com>
parents:
diff
changeset
|
641 |
|
5de814552237
Initial contribution supporting NaviEngine 1
Ryan Harkin <ryan.harkin@nokia.com>
parents:
diff
changeset
|
642 |
@param aInterfaceId The interface Id. |
5de814552237
Initial contribution supporting NaviEngine 1
Ryan Harkin <ryan.harkin@nokia.com>
parents:
diff
changeset
|
643 |
@param aFramePhase One of TI2sFramePhase. |
5de814552237
Initial contribution supporting NaviEngine 1
Ryan Harkin <ryan.harkin@nokia.com>
parents:
diff
changeset
|
644 |
@param aDirection One of TDirection. |
5de814552237
Initial contribution supporting NaviEngine 1
Ryan Harkin <ryan.harkin@nokia.com>
parents:
diff
changeset
|
645 |
@param aLevel On return, contains the current level for the FIFO described by the (aFramePhase,aDirection) pair. |
5de814552237
Initial contribution supporting NaviEngine 1
Ryan Harkin <ryan.harkin@nokia.com>
parents:
diff
changeset
|
646 |
|
5de814552237
Initial contribution supporting NaviEngine 1
Ryan Harkin <ryan.harkin@nokia.com>
parents:
diff
changeset
|
647 |
@return KErrNone, if successful; |
5de814552237
Initial contribution supporting NaviEngine 1
Ryan Harkin <ryan.harkin@nokia.com>
parents:
diff
changeset
|
648 |
KErrArgument, if aInterfaceId is invalid; |
5de814552237
Initial contribution supporting NaviEngine 1
Ryan Harkin <ryan.harkin@nokia.com>
parents:
diff
changeset
|
649 |
KErrNotSupported, if the implementation does no support FIFOs. |
5de814552237
Initial contribution supporting NaviEngine 1
Ryan Harkin <ryan.harkin@nokia.com>
parents:
diff
changeset
|
650 |
|
5de814552237
Initial contribution supporting NaviEngine 1
Ryan Harkin <ryan.harkin@nokia.com>
parents:
diff
changeset
|
651 |
If the implementation has a combined receive/transmit FIFO - half duplex operation only - then aDirection is ignored. |
5de814552237
Initial contribution supporting NaviEngine 1
Ryan Harkin <ryan.harkin@nokia.com>
parents:
diff
changeset
|
652 |
If the implementation only supports a single FIFO for both frame phases then aFramePhase is ignored. |
5de814552237
Initial contribution supporting NaviEngine 1
Ryan Harkin <ryan.harkin@nokia.com>
parents:
diff
changeset
|
653 |
*/ |
5de814552237
Initial contribution supporting NaviEngine 1
Ryan Harkin <ryan.harkin@nokia.com>
parents:
diff
changeset
|
654 |
EXPORT_C TInt I2s::ReadFIFOLevel(TInt aInterfaceId, TI2sFramePhase aFramePhase, TI2sDirection aDirection, TInt& aLevel) |
5de814552237
Initial contribution supporting NaviEngine 1
Ryan Harkin <ryan.harkin@nokia.com>
parents:
diff
changeset
|
655 |
{ |
5de814552237
Initial contribution supporting NaviEngine 1
Ryan Harkin <ryan.harkin@nokia.com>
parents:
diff
changeset
|
656 |
TUint16 chanId=CHANNEL_ID_FROM_INTERFACE_ID(aInterfaceId); |
5de814552237
Initial contribution supporting NaviEngine 1
Ryan Harkin <ryan.harkin@nokia.com>
parents:
diff
changeset
|
657 |
if(chanId >= TI2sManager::iChannelsNum) |
5de814552237
Initial contribution supporting NaviEngine 1
Ryan Harkin <ryan.harkin@nokia.com>
parents:
diff
changeset
|
658 |
return KErrArgument; |
5de814552237
Initial contribution supporting NaviEngine 1
Ryan Harkin <ryan.harkin@nokia.com>
parents:
diff
changeset
|
659 |
|
5de814552237
Initial contribution supporting NaviEngine 1
Ryan Harkin <ryan.harkin@nokia.com>
parents:
diff
changeset
|
660 |
return TI2sManager::iChannels[chanId]->ReadFIFOLevel(aFramePhase, aDirection, aLevel); |
5de814552237
Initial contribution supporting NaviEngine 1
Ryan Harkin <ryan.harkin@nokia.com>
parents:
diff
changeset
|
661 |
} |
5de814552237
Initial contribution supporting NaviEngine 1
Ryan Harkin <ryan.harkin@nokia.com>
parents:
diff
changeset
|
662 |
|
5de814552237
Initial contribution supporting NaviEngine 1
Ryan Harkin <ryan.harkin@nokia.com>
parents:
diff
changeset
|
663 |
/** |
5de814552237
Initial contribution supporting NaviEngine 1
Ryan Harkin <ryan.harkin@nokia.com>
parents:
diff
changeset
|
664 |
Enables receive and/or transmit DMA. |
5de814552237
Initial contribution supporting NaviEngine 1
Ryan Harkin <ryan.harkin@nokia.com>
parents:
diff
changeset
|
665 |
|
5de814552237
Initial contribution supporting NaviEngine 1
Ryan Harkin <ryan.harkin@nokia.com>
parents:
diff
changeset
|
666 |
@param aInterfaceId The interface Id. |
5de814552237
Initial contribution supporting NaviEngine 1
Ryan Harkin <ryan.harkin@nokia.com>
parents:
diff
changeset
|
667 |
@param aFifoMask A bitmask specifying which directions - receive and/or transmit - is DMA to be enabled (see TI2sDirection). |
5de814552237
Initial contribution supporting NaviEngine 1
Ryan Harkin <ryan.harkin@nokia.com>
parents:
diff
changeset
|
668 |
Bits set to "1" enable DMA. |
5de814552237
Initial contribution supporting NaviEngine 1
Ryan Harkin <ryan.harkin@nokia.com>
parents:
diff
changeset
|
669 |
|
5de814552237
Initial contribution supporting NaviEngine 1
Ryan Harkin <ryan.harkin@nokia.com>
parents:
diff
changeset
|
670 |
@return KErrNone, if successful; |
5de814552237
Initial contribution supporting NaviEngine 1
Ryan Harkin <ryan.harkin@nokia.com>
parents:
diff
changeset
|
671 |
KErrArgument, if aInterfaceId is invalid; |
5de814552237
Initial contribution supporting NaviEngine 1
Ryan Harkin <ryan.harkin@nokia.com>
parents:
diff
changeset
|
672 |
KErrNotSupported, if the implementation does no support DMA. |
5de814552237
Initial contribution supporting NaviEngine 1
Ryan Harkin <ryan.harkin@nokia.com>
parents:
diff
changeset
|
673 |
|
5de814552237
Initial contribution supporting NaviEngine 1
Ryan Harkin <ryan.harkin@nokia.com>
parents:
diff
changeset
|
674 |
If the implementation has a combined receive/transmit FIFO - half duplex operation only - then aFifoMask is ignored. |
5de814552237
Initial contribution supporting NaviEngine 1
Ryan Harkin <ryan.harkin@nokia.com>
parents:
diff
changeset
|
675 |
*/ |
5de814552237
Initial contribution supporting NaviEngine 1
Ryan Harkin <ryan.harkin@nokia.com>
parents:
diff
changeset
|
676 |
EXPORT_C TInt I2s::EnableDMA(TInt aInterfaceId, TInt aFifoMask) |
5de814552237
Initial contribution supporting NaviEngine 1
Ryan Harkin <ryan.harkin@nokia.com>
parents:
diff
changeset
|
677 |
{ |
5de814552237
Initial contribution supporting NaviEngine 1
Ryan Harkin <ryan.harkin@nokia.com>
parents:
diff
changeset
|
678 |
TUint16 chanId=CHANNEL_ID_FROM_INTERFACE_ID(aInterfaceId); |
5de814552237
Initial contribution supporting NaviEngine 1
Ryan Harkin <ryan.harkin@nokia.com>
parents:
diff
changeset
|
679 |
if(chanId >= TI2sManager::iChannelsNum) |
5de814552237
Initial contribution supporting NaviEngine 1
Ryan Harkin <ryan.harkin@nokia.com>
parents:
diff
changeset
|
680 |
return KErrArgument; |
5de814552237
Initial contribution supporting NaviEngine 1
Ryan Harkin <ryan.harkin@nokia.com>
parents:
diff
changeset
|
681 |
|
5de814552237
Initial contribution supporting NaviEngine 1
Ryan Harkin <ryan.harkin@nokia.com>
parents:
diff
changeset
|
682 |
return TI2sManager::iChannels[chanId]->EnableDMA(aFifoMask); |
5de814552237
Initial contribution supporting NaviEngine 1
Ryan Harkin <ryan.harkin@nokia.com>
parents:
diff
changeset
|
683 |
} |
5de814552237
Initial contribution supporting NaviEngine 1
Ryan Harkin <ryan.harkin@nokia.com>
parents:
diff
changeset
|
684 |
|
5de814552237
Initial contribution supporting NaviEngine 1
Ryan Harkin <ryan.harkin@nokia.com>
parents:
diff
changeset
|
685 |
/** |
5de814552237
Initial contribution supporting NaviEngine 1
Ryan Harkin <ryan.harkin@nokia.com>
parents:
diff
changeset
|
686 |
Disables receive and/or transmit DMA. |
5de814552237
Initial contribution supporting NaviEngine 1
Ryan Harkin <ryan.harkin@nokia.com>
parents:
diff
changeset
|
687 |
|
5de814552237
Initial contribution supporting NaviEngine 1
Ryan Harkin <ryan.harkin@nokia.com>
parents:
diff
changeset
|
688 |
@param aInterfaceId The interface Id. |
5de814552237
Initial contribution supporting NaviEngine 1
Ryan Harkin <ryan.harkin@nokia.com>
parents:
diff
changeset
|
689 |
@param aFifoMask A bitmask specifying which directions - receive and/or transmit - is DMA to be disabled (see TI2sDirection). |
5de814552237
Initial contribution supporting NaviEngine 1
Ryan Harkin <ryan.harkin@nokia.com>
parents:
diff
changeset
|
690 |
Bits set to "1" disable DMA. |
5de814552237
Initial contribution supporting NaviEngine 1
Ryan Harkin <ryan.harkin@nokia.com>
parents:
diff
changeset
|
691 |
|
5de814552237
Initial contribution supporting NaviEngine 1
Ryan Harkin <ryan.harkin@nokia.com>
parents:
diff
changeset
|
692 |
@return KErrNone, if successful; |
5de814552237
Initial contribution supporting NaviEngine 1
Ryan Harkin <ryan.harkin@nokia.com>
parents:
diff
changeset
|
693 |
KErrArgument, if aInterfaceId is invalid; |
5de814552237
Initial contribution supporting NaviEngine 1
Ryan Harkin <ryan.harkin@nokia.com>
parents:
diff
changeset
|
694 |
KErrNotSupported, if the implementation does no support DMA. |
5de814552237
Initial contribution supporting NaviEngine 1
Ryan Harkin <ryan.harkin@nokia.com>
parents:
diff
changeset
|
695 |
|
5de814552237
Initial contribution supporting NaviEngine 1
Ryan Harkin <ryan.harkin@nokia.com>
parents:
diff
changeset
|
696 |
If the implementation has a combined receive/transmit FIFO - half duplex operation only - then aFifoMask is ignored. |
5de814552237
Initial contribution supporting NaviEngine 1
Ryan Harkin <ryan.harkin@nokia.com>
parents:
diff
changeset
|
697 |
*/ |
5de814552237
Initial contribution supporting NaviEngine 1
Ryan Harkin <ryan.harkin@nokia.com>
parents:
diff
changeset
|
698 |
EXPORT_C TInt I2s::DisableDMA(TInt aInterfaceId, TInt aFifoMask) |
5de814552237
Initial contribution supporting NaviEngine 1
Ryan Harkin <ryan.harkin@nokia.com>
parents:
diff
changeset
|
699 |
{ |
5de814552237
Initial contribution supporting NaviEngine 1
Ryan Harkin <ryan.harkin@nokia.com>
parents:
diff
changeset
|
700 |
TUint16 chanId=CHANNEL_ID_FROM_INTERFACE_ID(aInterfaceId); |
5de814552237
Initial contribution supporting NaviEngine 1
Ryan Harkin <ryan.harkin@nokia.com>
parents:
diff
changeset
|
701 |
if(chanId >= TI2sManager::iChannelsNum) |
5de814552237
Initial contribution supporting NaviEngine 1
Ryan Harkin <ryan.harkin@nokia.com>
parents:
diff
changeset
|
702 |
return KErrArgument; |
5de814552237
Initial contribution supporting NaviEngine 1
Ryan Harkin <ryan.harkin@nokia.com>
parents:
diff
changeset
|
703 |
|
5de814552237
Initial contribution supporting NaviEngine 1
Ryan Harkin <ryan.harkin@nokia.com>
parents:
diff
changeset
|
704 |
return TI2sManager::iChannels[chanId]->DisableDMA(aFifoMask); |
5de814552237
Initial contribution supporting NaviEngine 1
Ryan Harkin <ryan.harkin@nokia.com>
parents:
diff
changeset
|
705 |
} |
5de814552237
Initial contribution supporting NaviEngine 1
Ryan Harkin <ryan.harkin@nokia.com>
parents:
diff
changeset
|
706 |
|
5de814552237
Initial contribution supporting NaviEngine 1
Ryan Harkin <ryan.harkin@nokia.com>
parents:
diff
changeset
|
707 |
/** |
5de814552237
Initial contribution supporting NaviEngine 1
Ryan Harkin <ryan.harkin@nokia.com>
parents:
diff
changeset
|
708 |
Reads the enabled state of DMA. |
5de814552237
Initial contribution supporting NaviEngine 1
Ryan Harkin <ryan.harkin@nokia.com>
parents:
diff
changeset
|
709 |
|
5de814552237
Initial contribution supporting NaviEngine 1
Ryan Harkin <ryan.harkin@nokia.com>
parents:
diff
changeset
|
710 |
@param aInterfaceId The interface Id. |
5de814552237
Initial contribution supporting NaviEngine 1
Ryan Harkin <ryan.harkin@nokia.com>
parents:
diff
changeset
|
711 |
@param aEnabled On return, contains a bitmask indicating if DMA enabled for the corresponding directions (see TI2sDirection). |
5de814552237
Initial contribution supporting NaviEngine 1
Ryan Harkin <ryan.harkin@nokia.com>
parents:
diff
changeset
|
712 |
A bit set to "1" indicates DMA is enabled for the corresponding direction. |
5de814552237
Initial contribution supporting NaviEngine 1
Ryan Harkin <ryan.harkin@nokia.com>
parents:
diff
changeset
|
713 |
|
5de814552237
Initial contribution supporting NaviEngine 1
Ryan Harkin <ryan.harkin@nokia.com>
parents:
diff
changeset
|
714 |
@return KErrNone, if successful; |
5de814552237
Initial contribution supporting NaviEngine 1
Ryan Harkin <ryan.harkin@nokia.com>
parents:
diff
changeset
|
715 |
KErrArgument, if aInterfaceId is invalid; |
5de814552237
Initial contribution supporting NaviEngine 1
Ryan Harkin <ryan.harkin@nokia.com>
parents:
diff
changeset
|
716 |
KErrNotSupported, if the implementation does no support FIFOs. |
5de814552237
Initial contribution supporting NaviEngine 1
Ryan Harkin <ryan.harkin@nokia.com>
parents:
diff
changeset
|
717 |
|
5de814552237
Initial contribution supporting NaviEngine 1
Ryan Harkin <ryan.harkin@nokia.com>
parents:
diff
changeset
|
718 |
If the implementation has a combined receive/transmit FIFO - half duplex operation only - then aEnabled will have |
5de814552237
Initial contribution supporting NaviEngine 1
Ryan Harkin <ryan.harkin@nokia.com>
parents:
diff
changeset
|
719 |
both Rx and Tx bits set when the DMA is enabled. |
5de814552237
Initial contribution supporting NaviEngine 1
Ryan Harkin <ryan.harkin@nokia.com>
parents:
diff
changeset
|
720 |
*/ |
5de814552237
Initial contribution supporting NaviEngine 1
Ryan Harkin <ryan.harkin@nokia.com>
parents:
diff
changeset
|
721 |
EXPORT_C TInt I2s::IsDMAEnabled(TInt aInterfaceId, TInt& aEnabled) |
5de814552237
Initial contribution supporting NaviEngine 1
Ryan Harkin <ryan.harkin@nokia.com>
parents:
diff
changeset
|
722 |
{ |
5de814552237
Initial contribution supporting NaviEngine 1
Ryan Harkin <ryan.harkin@nokia.com>
parents:
diff
changeset
|
723 |
TUint16 chanId=CHANNEL_ID_FROM_INTERFACE_ID(aInterfaceId); |
5de814552237
Initial contribution supporting NaviEngine 1
Ryan Harkin <ryan.harkin@nokia.com>
parents:
diff
changeset
|
724 |
if(chanId >= TI2sManager::iChannelsNum) |
5de814552237
Initial contribution supporting NaviEngine 1
Ryan Harkin <ryan.harkin@nokia.com>
parents:
diff
changeset
|
725 |
return KErrArgument; |
5de814552237
Initial contribution supporting NaviEngine 1
Ryan Harkin <ryan.harkin@nokia.com>
parents:
diff
changeset
|
726 |
|
5de814552237
Initial contribution supporting NaviEngine 1
Ryan Harkin <ryan.harkin@nokia.com>
parents:
diff
changeset
|
727 |
return TI2sManager::iChannels[chanId]->IsDMAEnabled(aEnabled); |
5de814552237
Initial contribution supporting NaviEngine 1
Ryan Harkin <ryan.harkin@nokia.com>
parents:
diff
changeset
|
728 |
} |
5de814552237
Initial contribution supporting NaviEngine 1
Ryan Harkin <ryan.harkin@nokia.com>
parents:
diff
changeset
|
729 |
|
5de814552237
Initial contribution supporting NaviEngine 1
Ryan Harkin <ryan.harkin@nokia.com>
parents:
diff
changeset
|
730 |
/** |
5de814552237
Initial contribution supporting NaviEngine 1
Ryan Harkin <ryan.harkin@nokia.com>
parents:
diff
changeset
|
731 |
Starts data transmission and/or data reception unless interface is a Controller; |
5de814552237
Initial contribution supporting NaviEngine 1
Ryan Harkin <ryan.harkin@nokia.com>
parents:
diff
changeset
|
732 |
if device is also a Master, starts generation of data synchronisation signals. |
5de814552237
Initial contribution supporting NaviEngine 1
Ryan Harkin <ryan.harkin@nokia.com>
parents:
diff
changeset
|
733 |
|
5de814552237
Initial contribution supporting NaviEngine 1
Ryan Harkin <ryan.harkin@nokia.com>
parents:
diff
changeset
|
734 |
@param aInterfaceId The interface Id. |
5de814552237
Initial contribution supporting NaviEngine 1
Ryan Harkin <ryan.harkin@nokia.com>
parents:
diff
changeset
|
735 |
@param aDirection A bitmask made of TI2sDirection values. The value is ignored if interface is a Controller. |
5de814552237
Initial contribution supporting NaviEngine 1
Ryan Harkin <ryan.harkin@nokia.com>
parents:
diff
changeset
|
736 |
|
5de814552237
Initial contribution supporting NaviEngine 1
Ryan Harkin <ryan.harkin@nokia.com>
parents:
diff
changeset
|
737 |
@return KErrNone, if successful; |
5de814552237
Initial contribution supporting NaviEngine 1
Ryan Harkin <ryan.harkin@nokia.com>
parents:
diff
changeset
|
738 |
KErrArgument, if aInterfaceId is invalid or if aDirection is invalid (i.e. negative, 0 or greater than 3) |
5de814552237
Initial contribution supporting NaviEngine 1
Ryan Harkin <ryan.harkin@nokia.com>
parents:
diff
changeset
|
739 |
KErrNotSupported, if one of the transfer directions selected is not supported on this interface; |
5de814552237
Initial contribution supporting NaviEngine 1
Ryan Harkin <ryan.harkin@nokia.com>
parents:
diff
changeset
|
740 |
KErrInUse, if interface has a bidirectional data port and an access in the opposite direction is underway; |
5de814552237
Initial contribution supporting NaviEngine 1
Ryan Harkin <ryan.harkin@nokia.com>
parents:
diff
changeset
|
741 |
KErrNotReady, if interface is not ready (e.g. incomplete configuration). |
5de814552237
Initial contribution supporting NaviEngine 1
Ryan Harkin <ryan.harkin@nokia.com>
parents:
diff
changeset
|
742 |
|
5de814552237
Initial contribution supporting NaviEngine 1
Ryan Harkin <ryan.harkin@nokia.com>
parents:
diff
changeset
|
743 |
Start() is idempotent, attempting to start an already started interface has no effect (returns KErrNone). |
5de814552237
Initial contribution supporting NaviEngine 1
Ryan Harkin <ryan.harkin@nokia.com>
parents:
diff
changeset
|
744 |
*/ |
5de814552237
Initial contribution supporting NaviEngine 1
Ryan Harkin <ryan.harkin@nokia.com>
parents:
diff
changeset
|
745 |
EXPORT_C TInt I2s::Start(TInt aInterfaceId, TInt aDirection) |
5de814552237
Initial contribution supporting NaviEngine 1
Ryan Harkin <ryan.harkin@nokia.com>
parents:
diff
changeset
|
746 |
{ |
5de814552237
Initial contribution supporting NaviEngine 1
Ryan Harkin <ryan.harkin@nokia.com>
parents:
diff
changeset
|
747 |
TUint16 chanId=CHANNEL_ID_FROM_INTERFACE_ID(aInterfaceId); |
5de814552237
Initial contribution supporting NaviEngine 1
Ryan Harkin <ryan.harkin@nokia.com>
parents:
diff
changeset
|
748 |
if(chanId >= TI2sManager::iChannelsNum) |
5de814552237
Initial contribution supporting NaviEngine 1
Ryan Harkin <ryan.harkin@nokia.com>
parents:
diff
changeset
|
749 |
return KErrArgument; |
5de814552237
Initial contribution supporting NaviEngine 1
Ryan Harkin <ryan.harkin@nokia.com>
parents:
diff
changeset
|
750 |
|
5de814552237
Initial contribution supporting NaviEngine 1
Ryan Harkin <ryan.harkin@nokia.com>
parents:
diff
changeset
|
751 |
return TI2sManager::iChannels[chanId]->Start(aDirection); |
5de814552237
Initial contribution supporting NaviEngine 1
Ryan Harkin <ryan.harkin@nokia.com>
parents:
diff
changeset
|
752 |
} |
5de814552237
Initial contribution supporting NaviEngine 1
Ryan Harkin <ryan.harkin@nokia.com>
parents:
diff
changeset
|
753 |
|
5de814552237
Initial contribution supporting NaviEngine 1
Ryan Harkin <ryan.harkin@nokia.com>
parents:
diff
changeset
|
754 |
/** |
5de814552237
Initial contribution supporting NaviEngine 1
Ryan Harkin <ryan.harkin@nokia.com>
parents:
diff
changeset
|
755 |
Stops data transmission and/or data reception; |
5de814552237
Initial contribution supporting NaviEngine 1
Ryan Harkin <ryan.harkin@nokia.com>
parents:
diff
changeset
|
756 |
if device is also a Master, stops generation of data synchronisation signals. |
5de814552237
Initial contribution supporting NaviEngine 1
Ryan Harkin <ryan.harkin@nokia.com>
parents:
diff
changeset
|
757 |
|
5de814552237
Initial contribution supporting NaviEngine 1
Ryan Harkin <ryan.harkin@nokia.com>
parents:
diff
changeset
|
758 |
@param aInterfaceId The interface Id. |
5de814552237
Initial contribution supporting NaviEngine 1
Ryan Harkin <ryan.harkin@nokia.com>
parents:
diff
changeset
|
759 |
@param aDirection A bitmask made of TI2sDirection values. |
5de814552237
Initial contribution supporting NaviEngine 1
Ryan Harkin <ryan.harkin@nokia.com>
parents:
diff
changeset
|
760 |
|
5de814552237
Initial contribution supporting NaviEngine 1
Ryan Harkin <ryan.harkin@nokia.com>
parents:
diff
changeset
|
761 |
@return KErrNone, if successful; |
5de814552237
Initial contribution supporting NaviEngine 1
Ryan Harkin <ryan.harkin@nokia.com>
parents:
diff
changeset
|
762 |
KErrArgument, if aInterfaceId is invalid or if aDirection is invalid (i.e. negative, 0 or greater than 3) |
5de814552237
Initial contribution supporting NaviEngine 1
Ryan Harkin <ryan.harkin@nokia.com>
parents:
diff
changeset
|
763 |
KErrNotSupported, if one of the transfer directions selected is not supported on this interface. |
5de814552237
Initial contribution supporting NaviEngine 1
Ryan Harkin <ryan.harkin@nokia.com>
parents:
diff
changeset
|
764 |
|
5de814552237
Initial contribution supporting NaviEngine 1
Ryan Harkin <ryan.harkin@nokia.com>
parents:
diff
changeset
|
765 |
Stop() is idempotent, attempting to stop an already started interface has no effect (returns KErrNone). |
5de814552237
Initial contribution supporting NaviEngine 1
Ryan Harkin <ryan.harkin@nokia.com>
parents:
diff
changeset
|
766 |
*/ |
5de814552237
Initial contribution supporting NaviEngine 1
Ryan Harkin <ryan.harkin@nokia.com>
parents:
diff
changeset
|
767 |
EXPORT_C TInt I2s::Stop(TInt aInterfaceId, TInt aDirection) |
5de814552237
Initial contribution supporting NaviEngine 1
Ryan Harkin <ryan.harkin@nokia.com>
parents:
diff
changeset
|
768 |
{ |
5de814552237
Initial contribution supporting NaviEngine 1
Ryan Harkin <ryan.harkin@nokia.com>
parents:
diff
changeset
|
769 |
TUint16 chanId=CHANNEL_ID_FROM_INTERFACE_ID(aInterfaceId); |
5de814552237
Initial contribution supporting NaviEngine 1
Ryan Harkin <ryan.harkin@nokia.com>
parents:
diff
changeset
|
770 |
if(chanId >= TI2sManager::iChannelsNum) |
5de814552237
Initial contribution supporting NaviEngine 1
Ryan Harkin <ryan.harkin@nokia.com>
parents:
diff
changeset
|
771 |
return KErrArgument; |
5de814552237
Initial contribution supporting NaviEngine 1
Ryan Harkin <ryan.harkin@nokia.com>
parents:
diff
changeset
|
772 |
|
5de814552237
Initial contribution supporting NaviEngine 1
Ryan Harkin <ryan.harkin@nokia.com>
parents:
diff
changeset
|
773 |
return TI2sManager::iChannels[chanId]->Stop(aDirection); |
5de814552237
Initial contribution supporting NaviEngine 1
Ryan Harkin <ryan.harkin@nokia.com>
parents:
diff
changeset
|
774 |
} |
5de814552237
Initial contribution supporting NaviEngine 1
Ryan Harkin <ryan.harkin@nokia.com>
parents:
diff
changeset
|
775 |
|
5de814552237
Initial contribution supporting NaviEngine 1
Ryan Harkin <ryan.harkin@nokia.com>
parents:
diff
changeset
|
776 |
/** |
5de814552237
Initial contribution supporting NaviEngine 1
Ryan Harkin <ryan.harkin@nokia.com>
parents:
diff
changeset
|
777 |
Checks if a transmission or a reception is underway. |
5de814552237
Initial contribution supporting NaviEngine 1
Ryan Harkin <ryan.harkin@nokia.com>
parents:
diff
changeset
|
778 |
|
5de814552237
Initial contribution supporting NaviEngine 1
Ryan Harkin <ryan.harkin@nokia.com>
parents:
diff
changeset
|
779 |
@param aInterfaceId The interface Id. |
5de814552237
Initial contribution supporting NaviEngine 1
Ryan Harkin <ryan.harkin@nokia.com>
parents:
diff
changeset
|
780 |
@param aDirection One of TI2sDirection. |
5de814552237
Initial contribution supporting NaviEngine 1
Ryan Harkin <ryan.harkin@nokia.com>
parents:
diff
changeset
|
781 |
@param aStarted On return, contains ETrue if the the access is underway, EFalse otherwise. |
5de814552237
Initial contribution supporting NaviEngine 1
Ryan Harkin <ryan.harkin@nokia.com>
parents:
diff
changeset
|
782 |
|
5de814552237
Initial contribution supporting NaviEngine 1
Ryan Harkin <ryan.harkin@nokia.com>
parents:
diff
changeset
|
783 |
@return KErrNone, if successful; |
5de814552237
Initial contribution supporting NaviEngine 1
Ryan Harkin <ryan.harkin@nokia.com>
parents:
diff
changeset
|
784 |
KErrArgument, if aInterfaceId is invalid or if aDirection is invalid (i.e. negative, 0 or greater than 3) |
5de814552237
Initial contribution supporting NaviEngine 1
Ryan Harkin <ryan.harkin@nokia.com>
parents:
diff
changeset
|
785 |
KErrNotSupported, if one of the transfer directions selected is not supported on this interface. |
5de814552237
Initial contribution supporting NaviEngine 1
Ryan Harkin <ryan.harkin@nokia.com>
parents:
diff
changeset
|
786 |
|
5de814552237
Initial contribution supporting NaviEngine 1
Ryan Harkin <ryan.harkin@nokia.com>
parents:
diff
changeset
|
787 |
If the interface is a Controller and a bus operation is underway, ETrue is returned regardless of aDirection. |
5de814552237
Initial contribution supporting NaviEngine 1
Ryan Harkin <ryan.harkin@nokia.com>
parents:
diff
changeset
|
788 |
*/ |
5de814552237
Initial contribution supporting NaviEngine 1
Ryan Harkin <ryan.harkin@nokia.com>
parents:
diff
changeset
|
789 |
EXPORT_C TInt I2s::IsStarted(TInt aInterfaceId, TI2sDirection aDirection, TBool& aStarted) |
5de814552237
Initial contribution supporting NaviEngine 1
Ryan Harkin <ryan.harkin@nokia.com>
parents:
diff
changeset
|
790 |
{ |
5de814552237
Initial contribution supporting NaviEngine 1
Ryan Harkin <ryan.harkin@nokia.com>
parents:
diff
changeset
|
791 |
TUint16 chanId=CHANNEL_ID_FROM_INTERFACE_ID(aInterfaceId); |
5de814552237
Initial contribution supporting NaviEngine 1
Ryan Harkin <ryan.harkin@nokia.com>
parents:
diff
changeset
|
792 |
if(chanId >= TI2sManager::iChannelsNum) |
5de814552237
Initial contribution supporting NaviEngine 1
Ryan Harkin <ryan.harkin@nokia.com>
parents:
diff
changeset
|
793 |
return KErrArgument; |
5de814552237
Initial contribution supporting NaviEngine 1
Ryan Harkin <ryan.harkin@nokia.com>
parents:
diff
changeset
|
794 |
|
5de814552237
Initial contribution supporting NaviEngine 1
Ryan Harkin <ryan.harkin@nokia.com>
parents:
diff
changeset
|
795 |
return TI2sManager::iChannels[chanId]->IsStarted(aDirection, aStarted); |
5de814552237
Initial contribution supporting NaviEngine 1
Ryan Harkin <ryan.harkin@nokia.com>
parents:
diff
changeset
|
796 |
} |
5de814552237
Initial contribution supporting NaviEngine 1
Ryan Harkin <ryan.harkin@nokia.com>
parents:
diff
changeset
|
797 |
|
5de814552237
Initial contribution supporting NaviEngine 1
Ryan Harkin <ryan.harkin@nokia.com>
parents:
diff
changeset
|
798 |
// dll entry point.. |
5de814552237
Initial contribution supporting NaviEngine 1
Ryan Harkin <ryan.harkin@nokia.com>
parents:
diff
changeset
|
799 |
DECLARE_STANDARD_EXTENSION() |
5de814552237
Initial contribution supporting NaviEngine 1
Ryan Harkin <ryan.harkin@nokia.com>
parents:
diff
changeset
|
800 |
{ |
5de814552237
Initial contribution supporting NaviEngine 1
Ryan Harkin <ryan.harkin@nokia.com>
parents:
diff
changeset
|
801 |
__KTRACE_OPT(KBOOT, Kern::Printf("Starting I2S Extension")); |
5de814552237
Initial contribution supporting NaviEngine 1
Ryan Harkin <ryan.harkin@nokia.com>
parents:
diff
changeset
|
802 |
// coverity[alloc_fn] |
5de814552237
Initial contribution supporting NaviEngine 1
Ryan Harkin <ryan.harkin@nokia.com>
parents:
diff
changeset
|
803 |
TI2sManager* pD = new TI2sManager; |
5de814552237
Initial contribution supporting NaviEngine 1
Ryan Harkin <ryan.harkin@nokia.com>
parents:
diff
changeset
|
804 |
TInt r=KErrNoMemory; |
5de814552237
Initial contribution supporting NaviEngine 1
Ryan Harkin <ryan.harkin@nokia.com>
parents:
diff
changeset
|
805 |
if (pD) |
5de814552237
Initial contribution supporting NaviEngine 1
Ryan Harkin <ryan.harkin@nokia.com>
parents:
diff
changeset
|
806 |
r=pD->DoCreate(); |
5de814552237
Initial contribution supporting NaviEngine 1
Ryan Harkin <ryan.harkin@nokia.com>
parents:
diff
changeset
|
807 |
return r; |
5de814552237
Initial contribution supporting NaviEngine 1
Ryan Harkin <ryan.harkin@nokia.com>
parents:
diff
changeset
|
808 |
} |
5de814552237
Initial contribution supporting NaviEngine 1
Ryan Harkin <ryan.harkin@nokia.com>
parents:
diff
changeset
|
809 |