sl@0: // Copyright (c) 2008-2009 Nokia Corporation and/or its subsidiary(-ies).
sl@0: // All rights reserved.
sl@0: // This component and the accompanying materials are made available
sl@0: // under the terms of the License "Eclipse Public License v1.0"
sl@0: // which accompanies this distribution, and is available
sl@0: // at the URL "http://www.eclipse.org/legal/epl-v10.html".
sl@0: //
sl@0: // Initial Contributors:
sl@0: // Nokia Corporation - initial contribution.
sl@0: //
sl@0: // Contributors:
sl@0: //
sl@0: // Description:
sl@0: // e32test/iic/iic_psl/i2c.h
sl@0: //
sl@0: 
sl@0: #ifndef I2C_H_
sl@0: #define I2C_H_
sl@0: 
sl@0: #include <drivers/iic_channel.h>
sl@0: #include "../t_iic.h"
sl@0: 
sl@0: #define NUM_CHANNELS 3 // Arbitrary
sl@0: 
sl@0: #ifdef LOG_I2C
sl@0: #define I2C_PRINT(str) Kern::Printf str
sl@0: #else
sl@0: #define I2C_PRINT(str)
sl@0: #endif
sl@0: 
sl@0: _LIT(KI2cThreadName,"I2cChannelThread");
sl@0: 
sl@0: #ifndef STANDALONE_CHANNEL
sl@0: #if defined(MASTER_MODE)
sl@0: const TInt8 KI2cChannelNumBase = 10;	// Arbitrary, real platform may consult the Configuration Repository
sl@0: 										// Note limit of 5 bit representation (0-31)
sl@0: 
sl@0: #else/*MASTER_MODE*/
sl@0: const TInt8 KI2cChannelNumBase = 10 + NUM_CHANNELS;	// For Slave mode, want to provide different response
sl@0: 													// If client assumes Master mode, should be informed not available
sl@0: #endif/*MASTER_MODE*/
sl@0: #endif/*STANDALONE_CHANNEL*/
sl@0: 
sl@0: 
sl@0: #if defined(MASTER_MODE)
sl@0: const TInt KI2cThreadPriority = 5; // Arbitrary, can be 0-7, 7 highest
sl@0: #endif
sl@0: 
sl@0: const TInt16 KI2cSlaveChannelIdBase = 0x1D00;	// Arbitrary
sl@0: 
sl@0: #ifdef MASTER_MODE
sl@0: class DSimulatedIicBusChannelMasterI2c : public DIicBusChannelMaster
sl@0: 	{
sl@0: 	// platform specific implementation
sl@0: 	public:
sl@0: #ifdef STANDALONE_CHANNEL
sl@0: 	IMPORT_C
sl@0: #endif
sl@0: 	DSimulatedIicBusChannelMasterI2c(const TBusType aBusType, const TChannelDuplex aChanDuplex);
sl@0: 	inline TInt Create() {return DoCreate();}
sl@0: 	TInt DoCreate();
sl@0: 
sl@0: 
sl@0: private:
sl@0: 	TInt CheckHdr(TDes8* aHdr);	// Check the header is valid for this channel
sl@0: 	TInt StaticExtension(TUint aFunction, TAny* aParam1, TAny* aParam2);	
sl@0: public:
sl@0: 	// gateway function for PSL implementation
sl@0: 	TInt DoRequest(TIicBusTransaction* aTransaction);
sl@0: 	TInt HandleSlaveTimeout();
sl@0: 
sl@0: 	// Test functions to allow simulating delayed processing of requests
sl@0: 	static TBool IsRequestDelayed(DSimulatedIicBusChannelMasterI2c* aChan);
sl@0: 	static void SetRequestDelayed(DSimulatedIicBusChannelMasterI2c* aChan,TBool aDelay);
sl@0: 
sl@0: 	TInt ProcessTrans(); // Accessed by callback
sl@0: 	inline TInt8 GetChanNum() {return iChannelNumber;};
sl@0: private:
sl@0: 	TDynamicDfcQue*	iDynamicDfcQ;
sl@0: 
sl@0: 	static TInt8 iCurrentChanNum;
sl@0: 
sl@0: 	TBool iReqDelayed;
sl@0: 	};
sl@0: #ifndef STANDALONE_CHANNEL
sl@0: TInt8 DSimulatedIicBusChannelMasterI2c::iCurrentChanNum = KI2cChannelNumBase; // Initialise static member of DSimulatedIicBusChannelMasterI2c
sl@0: #endif
sl@0: #endif/*MASTER_MODE*/
sl@0: 
sl@0: #ifdef SLAVE_MODE
sl@0: class DSimulatedIicBusChannelSlaveI2c : public DIicBusChannelSlave
sl@0: 	{
sl@0: public:
sl@0: 	// platform specific implementation
sl@0: #ifdef STANDALONE_CHANNEL
sl@0: 	IMPORT_C
sl@0: #endif
sl@0: 	DSimulatedIicBusChannelSlaveI2c(const DIicBusChannel::TBusType aBusType, const DIicBusChannel::TChannelDuplex aChanDuplex);
sl@0: 	~DSimulatedIicBusChannelSlaveI2c();
sl@0: 	// gateway function for PSL implementation
sl@0: 	TInt DoRequest(TInt aTrigger);
sl@0: 	void ProcessData(TInt aTrigger, TIicBusSlaveCallback*  aCb);
sl@0: 	TInt StaticExtension(TUint aFunction, TAny* aParam1, TAny* aParam2);	
sl@0: 
sl@0: 	inline TInt Create() {return DoCreate();}
sl@0: 	virtual TInt DoCreate();
sl@0: 
sl@0: 	static void SlaveAsyncSimCallback(TAny* aPtr);
sl@0: 	inline void ChanCaptureCb(TInt aResult) {ChanCaptureCallback(aResult);}
sl@0: 
sl@0: 	inline void SetChanNum(TInt8 aChanNum) {iChannelNumber = aChanNum;};
sl@0: 
sl@0: 	protected:
sl@0: 		virtual void SendBusErrorAndReturn() {return;} // Not implemented in simulated PSL
sl@0: 
sl@0: 
sl@0: 	private:
sl@0: 		TInt CheckHdr(TDes8* aHdr);	// Check the header is valid for this channel
sl@0: 		virtual TInt CaptureChannelPsl(TBool aAsynch);
sl@0: 		virtual TInt ReleaseChannelPsl();
sl@0: 		TInt PrepareTrigger(TInt aTrigger);
sl@0: 	private:
sl@0: 
sl@0: 		TInt8 iDeltaWordsToRx;
sl@0: 		TInt8 iDeltaWordsToTx;
sl@0: 		TInt8 iNumWordsWereRx;
sl@0: 		TInt8 iNumWordsWereTx;
sl@0: 		TInt8 iRxTxUnderOverRun;
sl@0: 
sl@0: 		TInt8* iTxCheckBuf;
sl@0: 
sl@0: 		TInt iBlockedTrigger;
sl@0: 		TBool iBlockNotification;
sl@0: 
sl@0: 		NTimer iSlaveTimer; // Used to simulate an asynchronous capture operation
sl@0: 		};
sl@0: #endif/*SLAVE_MODE*/
sl@0: 
sl@0: #if defined(MASTER_MODE) && defined(SLAVE_MODE)
sl@0: class DSimulatedIicBusChannelMasterSlaveI2c : public DIicBusChannelMasterSlave
sl@0: 	{
sl@0: public:
sl@0: #ifdef STANDALONE_CHANNEL
sl@0: 	IMPORT_C
sl@0: #endif
sl@0: 	DSimulatedIicBusChannelMasterSlaveI2c(TBusType /*aBusType*/, TChannelDuplex aChanDuplex, DSimulatedIicBusChannelMasterI2c* aMasterChan, DSimulatedIicBusChannelSlaveI2c* aSlaveChan);
sl@0: 				
sl@0: 	TInt StaticExtension(TUint aFunction, TAny* aParam1, TAny* aParam2);	
sl@0: 	};
sl@0: #endif/*(MASTER_MODE) && (SLAVE_MODE)*/
sl@0: 
sl@0: #endif /*I2C_H_*/