You can not select more than 25 topics
Topics must start with a letter or number, can include dashes ('-') and can be up to 35 characters long.
165 lines
6.2 KiB
165 lines
6.2 KiB
/**
|
|
* Digital Voice Modem - Host Software
|
|
* GPLv2 Open Source. Use is subject to license terms.
|
|
* DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
|
|
*
|
|
* @package DVM / Host Software
|
|
*
|
|
*/
|
|
//
|
|
// Based on code from the MMDVMHost project. (https://github.com/g4klx/MMDVMHost)
|
|
// Licensed under the GPLv2 License (https://opensource.org/licenses/GPL-2.0)
|
|
//
|
|
/*
|
|
* Copyright (C) 2016 by Jonathan Naylor G4KLX
|
|
* Copyright (C) 2017-2022 by Bryan Biedenkapp N2PLL
|
|
*
|
|
* This program is free software; you can redistribute it and/or modify
|
|
* it under the terms of the GNU General Public License as published by
|
|
* the Free Software Foundation; either version 2 of the License, or
|
|
* (at your option) any later version.
|
|
*
|
|
* This program is distributed in the hope that it will be useful,
|
|
* but WITHOUT ANY WARRANTY; without even the implied warranty of
|
|
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
|
|
* GNU General Public License for more details.
|
|
*
|
|
* You should have received a copy of the GNU General Public License
|
|
* along with this program; if not, write to the Free Software
|
|
* Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
|
|
*/
|
|
#if !defined(__P25_LC__LC_H__)
|
|
#define __P25_LC__LC_H__
|
|
|
|
#include "Defines.h"
|
|
#include "p25/lc/TSBK.h"
|
|
#include "p25/lc/TDULC.h"
|
|
#include "p25/SiteData.h"
|
|
#include "edac/RS634717.h"
|
|
#include "lookups/IdenTableLookup.h"
|
|
|
|
#include <string>
|
|
|
|
namespace p25
|
|
{
|
|
namespace lc
|
|
{
|
|
// ---------------------------------------------------------------------------
|
|
// Class Prototypes
|
|
// ---------------------------------------------------------------------------
|
|
|
|
class HOST_SW_API TSBK;
|
|
class HOST_SW_API TDULC;
|
|
|
|
// ---------------------------------------------------------------------------
|
|
// Class Declaration
|
|
// Represents link control data for HDU, LDU1 and 2 packets.
|
|
// ---------------------------------------------------------------------------
|
|
|
|
class HOST_SW_API LC {
|
|
public:
|
|
/// <summary>Initializes a new instance of the LC class.</summary>
|
|
LC();
|
|
/// <summary>Initializes a copy instance of the LC class.</summary>
|
|
LC(const LC& data);
|
|
/// <summary>Initializes a new instance of the LC class.</summary>
|
|
LC(SiteData siteData);
|
|
/// <summary>Finalizes a instance of the LC class.</summary>
|
|
~LC();
|
|
|
|
/// <summary>Equals operator.</summary>
|
|
LC& operator=(const LC& data);
|
|
|
|
/// <summary>Decode a header data unit.</summary>
|
|
bool decodeHDU(const uint8_t* data);
|
|
/// <summary>Encode a header data unit.</summary>
|
|
void encodeHDU(uint8_t* data);
|
|
|
|
/// <summary>Decode a logical link data unit 1.</summary>
|
|
bool decodeLDU1(const uint8_t* data);
|
|
/// <summary>Encode a logical link data unit 1.</summary>
|
|
void encodeLDU1(uint8_t* data);
|
|
|
|
/// <summary>Decode a logical link data unit 2.</summary>
|
|
bool decodeLDU2(const uint8_t* data);
|
|
/// <summary>Encode a logical link data unit 2.</summary>
|
|
void encodeLDU2(uint8_t* data);
|
|
|
|
/** Encryption data */
|
|
/// <summary>Sets the encryption message indicator.</summary>
|
|
void setMI(const uint8_t* mi);
|
|
/// <summary>Gets the encryption message indicator.</summary>
|
|
void getMI(uint8_t* mi) const;
|
|
|
|
public:
|
|
/** Common Data */
|
|
/// <summary>Flag indicating the link control data is protected.</summary>
|
|
__PROPERTY(bool, protect, Protect);
|
|
/// <summary>Link control opcode.</summary>
|
|
__PROPERTY(uint8_t, lco, LCO);
|
|
/// <summary>Manufacturer ID.</summary>
|
|
__PROPERTY(uint8_t, mfId, MFId);
|
|
|
|
/// <summary>Source ID.</summary>
|
|
__PROPERTY(uint32_t, srcId, SrcId);
|
|
/// <summary>Destination ID.</summary>
|
|
__PROPERTY(uint32_t, dstId, DstId);
|
|
|
|
/// <summary>Voice channel number.</summary>
|
|
__PROPERTY(uint32_t, grpVchNo, GrpVchNo);
|
|
|
|
/** Service Options */
|
|
/// <summary>Flag indicating the emergency bits are set.</summary>
|
|
__PROPERTY(bool, emergency, Emergency);
|
|
/// <summary>Flag indicating that encryption is enabled.</summary>
|
|
__PROPERTY(bool, encrypted, Encrypted);
|
|
/// <summary>Priority level for the traffic.</summary>
|
|
__PROPERTY(uint8_t, priority, Priority);
|
|
/// <summary>Flag indicating a group/talkgroup operation.</summary>
|
|
__PROPERTY(bool, group, Group);
|
|
|
|
/** Encryption data */
|
|
/// <summary>Encryption algorithm ID.</summary>
|
|
__PROPERTY(uint8_t, algId, AlgId);
|
|
/// <summary>Encryption key ID.</summary>
|
|
__PROPERTY(uint32_t, kId, KId);
|
|
|
|
/** Local Site data */
|
|
/// <summary>Local Site Data.</summary>
|
|
__PROPERTY_PLAIN(SiteData, siteData, siteData);
|
|
|
|
private:
|
|
friend class TSBK;
|
|
friend class TDULC;
|
|
edac::RS634717 m_rs;
|
|
bool m_encryptOverride;
|
|
bool m_tsbkVendorSkip;
|
|
|
|
uint32_t m_callTimer;
|
|
|
|
/** Encryption data */
|
|
uint8_t* m_mi;
|
|
|
|
/// <summary>Internal helper to copy the class.</summary>
|
|
void copy(const LC& data);
|
|
|
|
/// <summary>Decode link control.</summary>
|
|
bool decodeLC(const uint8_t* rs);
|
|
/// <summary>Encode link control.</summary>
|
|
void encodeLC(uint8_t* rs);
|
|
|
|
/// <summary>Decode LDU hamming FEC.</summary>
|
|
void decodeLDUHamming(const uint8_t* raw, uint8_t* data);
|
|
/// <summary>Encode LDU hamming FEC.</summary>
|
|
void encodeLDUHamming(uint8_t* data, const uint8_t* raw);
|
|
|
|
/// <summary>Decode HDU Golay FEC.</summary>
|
|
void decodeHDUGolay(const uint8_t* raw, uint8_t* data);
|
|
/// <summary>Encode HDU Golay FEC.</summary>
|
|
void encodeHDUGolay(uint8_t* data, const uint8_t* raw);
|
|
};
|
|
} // namespace lc
|
|
} // namespace p25
|
|
|
|
#endif // __P25_LC__LC_H__
|