// Copyright (c) 2006-2009 Nokia Corporation and/or its subsidiary(-ies).

// All rights reserved.

// This component and the accompanying materials are made available

// under the terms of "Eclipse Public License v1.0"

// which accompanies this distribution, and is available

// at the URL "http://www.eclipse.org/legal/epl-v10.html".

//

// Initial Contributors:

// Nokia Corporation - initial contribution.

//

// Contributors:

//

// Description:

//

/**

 @file

 @internalComponent

*/

#ifndef HCTLBCSPCONSTS_H

#define HCTLBCSPCONSTS_H

/**BCSP Channel allocation*/

const TUint8 KBcspAckChnl=0x00;				// channel 0

const TUint8 KBcspLinkChnl=0x01;			// channel 1 Link Establishment

const TUint8 KBcspBcCmdChnl=0x02;			// channel 2

const TUint8 KBcspCommEvntChnl=0x05;		// channel 5

const TUint8 KBcspACLDataChnl=0x06;			// channel 6

const TUint8 KBcspSynchronousDataChnl=0x07;	// channel 7

//FlagByte Constants

const TUint8 KBcspCrcPresentMask = 0x40;

const TUint8 KBcspProtocolTypeMask = 0x80;

const TUint8 KBcspSeqMask = 0x07;

const TUint8 KBcspAckFieldOffset = 3;

const TUint8 KBcspAckMask = 0x38;

const TUint8 KBcspPayloadLen1stBitsMask=0xf0;

const TUint8 KBcspProtocolIdMask=0x0f;	

/**HCTL Header and trailer consts*/

const TUint8 KBcspHeaderFlagsByteIndex = 0;

const TUint8 KBcspHeaderByte2Index = 1;

const TUint8 KBcspHeaderByte3Index = 2;

const TUint8 KBcspHeaderChecksumByteIndex = 3;

const TUint8 KBcspHeaderBytes = 4;

const TUint8 KBcspCrcBytes = 2;

/**Defined max payload sizes of various packet types*/

const TUint16 KMaxSCOData = 64;

const TUint16 KMaxHCICommand = 256;

const TUint16 KMaxACLData = 1021;

const TUint16 KMaxReliablePayloadSize=KMaxACLData+5;

const TUint16 KMaxUnreliablePayloadSize=KMaxSCOData+4;

/**Defined max windows size i.e. no. packets that can be transmitted without acknowledgement */

const TUint8  KBcspReliableWindowSize = 4;

const TUint8  KBcspUnreliableQueueSize = 4;

const TUint8  KBcspWindowSize=4;      // Maximum Window Size for BCSP in Casiras by default

const TUint8  KMaxBcspWindowSize=8;   // Window Size for BCSP in Casiras by default

const TUint16 KHCIHeaderSize=4;

/** Flags field masks */

const TInt KBcspUnreliableDatagramQueue=0;

const TInt KBcspReliableSequenceQueue=1;

/**Sequence layer constants */

const TUint8 KWindowSize=4;				// Define according to efficiency and performance

const TUint8 KMaxWindowSize=8;

const TInt KRxAckTimeout=250000;			// Some number to tune/adjust for performance

const TInt KTxAckTimeout=125000;			// Some number to tune/adjust for performance

const TUint8 KTxRetryLimit=20;				// Some number to tune/adjust for performance

/**Link Establishment layer constants */

_LIT8(KBcspLinkMsg_Sync,     "\xda\xdc\xed\xed");

_LIT8(KBcspLinkMsg_SyncResp, "\xac\xaf\xef\xee");

_LIT8(KBcspLinkMsg_Conf,     "\xad\xef\xac\xed");

_LIT8(KBcspLinkMsg_ConfResp, "\xde\xad\xd0\xd0");

const TInt KBcspConfCntMax=50;

const TInt KTShyTimeout = 250000;

const TInt KTConfTimeout = 250000;

/**SLIP Encoding Bytes */

const TUint8 KSlipWrapperByte = 0xc0;	

const TUint8 KSlipByteDB = 0xdb;	

const TUint8 KSlipByteDC = 0xdc;	

const TUint8 KSlipByteDD = 0xdd;	

/**BCSP Framing errors*/

const TInt KErrSlipCorrupted=-6100;

const TInt KErrBcspHeaderCorrupt=-6101;

const TInt KErrBcspCorruptedHCIPayload=-6102;

const TInt KErrBcspCRCCheckFailed=-6103;

const TInt KErrBcspUnRecognizableHCIData=-6104;

const TInt KErrBcspPacketTypeUnrecognized=-6105;

const TInt KErrBcspInvalidAckFlagValue=-6106;

const TInt KErrBcspInvalidSeqFlagValue=-6107;

const TInt KErrBcspWriteACLDataFailed=-6108;

const TInt KErrBcspWriteCommandDataFailed=-6109;

const TInt KErrBcspNothingToSend = -6110;

const TInt KErrBcspMaxRetries = -6111;

const TInt KErrBcspWriteBcCmdDataFailed=-6112;

const TUint KHCTLRecvBufSize=2048;

#endif // HCTLBCSPCONSTS_H