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71 lines
2.9 KiB
71 lines
2.9 KiB
/**
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* Digital Voice Modem - Host Software
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* GPLv2 Open Source. Use is subject to license terms.
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* DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
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*
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* @package DVM / Host Software
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*
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*/
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/*
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* Copyright (C) 2022 by Bryan Biedenkapp N2PLL
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*
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* This program is free software; you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation; either version 2 of the License, or
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* (at your option) any later version.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program; if not, write to the Free Software
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* Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
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*/
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#if !defined(__P25_LC__AMBT_H__)
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#define __P25_LC__AMBT_H__
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#include "Defines.h"
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#include "p25/lc/TSBK.h"
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#include "p25/data/DataHeader.h"
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#include "p25/data/DataBlock.h"
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namespace p25
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{
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namespace lc
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{
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// ---------------------------------------------------------------------------
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// Class Declaration
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// Represents link control data for Alternate Trunking packets.
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// ---------------------------------------------------------------------------
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class HOST_SW_API AMBT : public TSBK {
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public:
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/// <summary>Initializes a new instance of the AMBT class.</summary>
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AMBT();
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/// <summary>Decode a alternate trunking signalling block.</summary>
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virtual bool decodeMBT(const data::DataHeader dataHeader, const data::DataBlock* blocks) = 0;
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/// <summary>Encode a alternate trunking signalling block.</summary>
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virtual void encodeMBT(data::DataHeader& dataHeader, uint8_t* pduUserData) = 0;
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/// <summary>Decode a trunking signalling block.</summary>
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virtual bool decode(const uint8_t* data, bool rawTSBK = false);
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/// <summary>Encode a trunking signalling block.</summary>
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virtual void encode(uint8_t* data, bool rawTSBK = false, bool noTrellis = false);
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protected:
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/// <summary>Internal helper to convert TSBK bytes to a 64-bit long value.</summary>
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static ulong64_t toValue(const data::DataHeader dataHeader, const uint8_t* pduUserData);
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/// <summary>Internal helper to decode a trunking signalling block.</summary>
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bool decode(const data::DataHeader dataHeader, const data::DataBlock* blocks, uint8_t* pduUserData);
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/// <summary>Internal helper to encode a trunking signalling block.</summary>
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void encode(data::DataHeader& dataHeader, uint8_t* pduUserData);
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};
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} // namespace lc
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} // namespace p25
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#endif // __P25_LC__AMBT_H__
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