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

     2 // All rights reserved.

     3 // This component and the accompanying materials are made available

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

     5 // which accompanies this distribution, and is available

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

     7 //

     8 // Initial Contributors:

     9 // Nokia Corporation - initial contribution.

    10 //

    11 // Contributors:

    12 //

    13 // Description:

    14 //

    15 

    16 /**

    17  @file

    18  @internalComponent

    19 */

    20 

    21 #ifndef HCTLBCSPCONSTS_H

    22 #define HCTLBCSPCONSTS_H

    23 

    24 

    25 /**BCSP Channel allocation*/

    26 const TUint8 KBcspAckChnl=0x00;				// channel 0

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

    28 const TUint8 KBcspBcCmdChnl=0x02;			// channel 2

    29 const TUint8 KBcspCommEvntChnl=0x05;		// channel 5

    30 const TUint8 KBcspACLDataChnl=0x06;			// channel 6

    31 const TUint8 KBcspSynchronousDataChnl=0x07;	// channel 7

    32 

    33 //FlagByte Constants

    34 const TUint8 KBcspCrcPresentMask = 0x40;

    35 const TUint8 KBcspProtocolTypeMask = 0x80;

    36 

    37 const TUint8 KBcspSeqMask = 0x07;

    38 const TUint8 KBcspAckFieldOffset = 3;

    39 const TUint8 KBcspAckMask = 0x38;

    40 

    41 const TUint8 KBcspPayloadLen1stBitsMask=0xf0;

    42 const TUint8 KBcspProtocolIdMask=0x0f;	

    43 

    44 /**HCTL Header and trailer consts*/

    45 const TUint8 KBcspHeaderFlagsByteIndex = 0;

    46 const TUint8 KBcspHeaderByte2Index = 1;

    47 const TUint8 KBcspHeaderByte3Index = 2;

    48 const TUint8 KBcspHeaderChecksumByteIndex = 3;

    49 

    50 const TUint8 KBcspHeaderBytes = 4;

    51 const TUint8 KBcspCrcBytes = 2;

    52 

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

    54 const TUint16 KMaxSCOData = 64;

    55 const TUint16 KMaxHCICommand = 256;

    56 const TUint16 KMaxACLData = 1021;

    57 

    58 const TUint16 KMaxReliablePayloadSize=KMaxACLData+5;

    59 const TUint16 KMaxUnreliablePayloadSize=KMaxSCOData+4;

    60 

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

    62 const TUint8  KBcspReliableWindowSize = 4;

    63 const TUint8  KBcspUnreliableQueueSize = 4;

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

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

    66 const TUint16 KHCIHeaderSize=4;

    67 

    68 

    69 /** Flags field masks */

    70 

    71 const TInt KBcspUnreliableDatagramQueue=0;

    72 const TInt KBcspReliableSequenceQueue=1;

    73 

    74 /**Sequence layer constants */

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

    76 const TUint8 KMaxWindowSize=8;

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

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

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

    80 

    81 /**Link Establishment layer constants */

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

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

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

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

    86 const TInt KBcspConfCntMax=50;

    87 const TInt KTShyTimeout = 250000;

    88 const TInt KTConfTimeout = 250000;

    89 

    90 

    91 /**SLIP Encoding Bytes */

    92 const TUint8 KSlipWrapperByte = 0xc0;	

    93 const TUint8 KSlipByteDB = 0xdb;	

    94 const TUint8 KSlipByteDC = 0xdc;	

    95 const TUint8 KSlipByteDD = 0xdd;	

    96 

    97 /**BCSP Framing errors*/

    98 

    99 const TInt KErrSlipCorrupted=-6100;

   100 const TInt KErrBcspHeaderCorrupt=-6101;

   101 const TInt KErrBcspCorruptedHCIPayload=-6102;

   102 const TInt KErrBcspCRCCheckFailed=-6103;

   103 const TInt KErrBcspUnRecognizableHCIData=-6104;

   104 const TInt KErrBcspPacketTypeUnrecognized=-6105;

   105 const TInt KErrBcspInvalidAckFlagValue=-6106;

   106 const TInt KErrBcspInvalidSeqFlagValue=-6107;

   107 const TInt KErrBcspWriteACLDataFailed=-6108;

   108 const TInt KErrBcspWriteCommandDataFailed=-6109;

   109 const TInt KErrBcspNothingToSend = -6110;

   110 const TInt KErrBcspMaxRetries = -6111;

   111 const TInt KErrBcspWriteBcCmdDataFailed=-6112;

   112 

   113 const TUint KHCTLRecvBufSize=2048;

   114 

   115 #endif // HCTLBCSPCONSTS_H