Bryan Biedenkapp
4 years ago
parent
73d0790f9b
commit
fb6d715ba5
@ -0,0 +1,117 @@
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/**
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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_DFSI_DEFINES_H__)
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#define __P25_DFSI_DEFINES_H__
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#include "Defines.h"
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// Frame Type String(s)
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#define P25_DFSI_VHDR1_STR "P25_DFSI_START_STOP (Start/Stop)"
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#define P25_DFSI_VHDR1_STR "P25_DFSI_VHDR1 (Voice Header 1)"
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#define P25_DFSI_VHDR2_STR "P25_DFSI_VHDR2 (Voice Header 2)"
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#define P25_DFSI_LDU1_STR "P25_DFSI_LDU1 (Logical Link Data Unit 1)"
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#define P25_DFSI_LDU2_STR "P25_DFSI_LDU2 (Logical Link Data Unit 2)"
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#define P25_DFSI_LDU2_STR "P25_DFSI_TSBK (Trunking System Block)"
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namespace p25
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{
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namespace dfsi
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{
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// ---------------------------------------------------------------------------
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// Constants
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// ---------------------------------------------------------------------------
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const uint32_t P25_DFSI_START_LENGTH_BYTES = 4U;
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const uint32_t P25_DFSI_SS_FRAME_LENGTH_BYTES = 10U;
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const uint32_t P25_DFSI_VHDR1_FRAME_LENGTH_BYTES = 30U;
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const uint32_t P25_DFSI_VHDR2_FRAME_LENGTH_BYTES = 22U;
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const uint32_t P25_DFSI_LDU1_VOICE1_FRAME_LENGTH_BYTES = 22U;
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const uint32_t P25_DFSI_LDU1_VOICE2_FRAME_LENGTH_BYTES = 14U;
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const uint32_t P25_DFSI_LDU1_VOICE3_FRAME_LENGTH_BYTES = 17U;
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const uint32_t P25_DFSI_LDU1_VOICE4_FRAME_LENGTH_BYTES = 17U;
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const uint32_t P25_DFSI_LDU1_VOICE5_FRAME_LENGTH_BYTES = 17U;
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const uint32_t P25_DFSI_LDU1_VOICE6_FRAME_LENGTH_BYTES = 17U;
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const uint32_t P25_DFSI_LDU1_VOICE7_FRAME_LENGTH_BYTES = 17U;
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const uint32_t P25_DFSI_LDU1_VOICE8_FRAME_LENGTH_BYTES = 17U;
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const uint32_t P25_DFSI_LDU1_VOICE9_FRAME_LENGTH_BYTES = 16U;
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const uint32_t P25_DFSI_LDU2_VOICE10_FRAME_LENGTH_BYTES = 22U;
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const uint32_t P25_DFSI_LDU2_VOICE11_FRAME_LENGTH_BYTES = 14U;
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const uint32_t P25_DFSI_LDU2_VOICE12_FRAME_LENGTH_BYTES = 17U;
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const uint32_t P25_DFSI_LDU2_VOICE13_FRAME_LENGTH_BYTES = 17U;
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const uint32_t P25_DFSI_LDU2_VOICE14_FRAME_LENGTH_BYTES = 17U;
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const uint32_t P25_DFSI_LDU2_VOICE15_FRAME_LENGTH_BYTES = 17U;
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const uint32_t P25_DFSI_LDU2_VOICE16_FRAME_LENGTH_BYTES = 17U;
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const uint32_t P25_DFSI_LDU2_VOICE17_FRAME_LENGTH_BYTES = 17U;
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const uint32_t P25_DFSI_LDU2_VOICE18_FRAME_LENGTH_BYTES = 16U;
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const uint32_t P25_DFSI_TSBK_FRAME_LENGTH_BYTES = 25U;
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const uint8_t P25_DFSI_RT_ENABLED = 0x02U; //
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const uint8_t P25_DFSI_RT_DISABLED = 0x04U; //
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const uint8_t P25_DFSI_START_FLAG = 0x0CU; //
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const uint8_t P25_DFSI_STOP_FLAG = 0x00U; //
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const uint8_t P25_DFSI_TYPE_VOICE = 0x0BU; //
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const uint8_t P25_DFSI_TYPE_TSBK = 0x0FU; //
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const uint8_t P25_DFSI_ICW_SOURCE = 0x00U; // Infrastructure Source - Default Source
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// Frame Type(s)
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const uint8_t P25_DFSI_START_STOP = 0x00U; // Start/Stop
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const uint8_t P25_DFSI_VHDR1 = 0x60U; // Voice Header 1
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const uint8_t P25_DFSI_VHDR2 = 0x61U; // Voice Header 2
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const uint8_t P25_DFSI_LDU1_VOICE1 = 0x62U; // IMBE LDU1 - Voice 1
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const uint8_t P25_DFSI_LDU1_VOICE2 = 0x63U; // IMBE LDU1 - Voice 2
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const uint8_t P25_DFSI_LDU1_VOICE3 = 0x64U; // IMBE LDU1 - Voice 3 + Link Control
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const uint8_t P25_DFSI_LDU1_VOICE4 = 0x65U; // IMBE LDU1 - Voice 4 + Link Control
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const uint8_t P25_DFSI_LDU1_VOICE5 = 0x66U; // IMBE LDU1 - Voice 5 + Link Control
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const uint8_t P25_DFSI_LDU1_VOICE6 = 0x67U; // IMBE LDU1 - Voice 6 + Link Control
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const uint8_t P25_DFSI_LDU1_VOICE7 = 0x68U; // IMBE LDU1 - Voice 7 + Link Control
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const uint8_t P25_DFSI_LDU1_VOICE8 = 0x69U; // IMBE LDU1 - Voice 8 + Link Control
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const uint8_t P25_DFSI_LDU1_VOICE9 = 0x6AU; // IMBE LDU1 - Voice 9 + Low Speed Data
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const uint8_t P25_DFSI_LDU2_VOICE10 = 0x6BU; // IMBE LDU2 - Voice 10
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const uint8_t P25_DFSI_LDU2_VOICE11 = 0x6CU; // IMBE LDU2 - Voice 11
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const uint8_t P25_DFSI_LDU2_VOICE12 = 0x6DU; // IMBE LDU2 - Voice 12 + Encryption Sync
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const uint8_t P25_DFSI_LDU2_VOICE13 = 0x6EU; // IMBE LDU2 - Voice 13 + Encryption Sync
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const uint8_t P25_DFSI_LDU2_VOICE14 = 0x6FU; // IMBE LDU2 - Voice 14 + Encryption Sync
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const uint8_t P25_DFSI_LDU2_VOICE15 = 0x70U; // IMBE LDU2 - Voice 15 + Encryption Sync
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const uint8_t P25_DFSI_LDU2_VOICE16 = 0x71U; // IMBE LDU2 - Voice 16 + Encryption Sync
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const uint8_t P25_DFSI_LDU2_VOICE17 = 0x72U; // IMBE LDU2 - Voice 17 + Encryption Sync
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const uint8_t P25_DFSI_LDU2_VOICE18 = 0x73U; // IMBE LDU2 - Voice 18 + Low Speed Data
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const uint8_t P25_DFSI_TSBK = 0xA1U; // TSBK
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} // namespace dfsi
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} // namespace p25
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#endif // __P25_DFSI_DEFINES_H__
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@ -0,0 +1,156 @@
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/**
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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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// Based on code from the MMDVMHost project. (https://github.com/g4klx/MMDVMHost)
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// Licensed under the GPLv2 License (https://opensource.org/licenses/GPL-2.0)
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//
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/*
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* Copyright (C) 2016,2017 by Jonathan Naylor G4KLX
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* Copyright (C) 2017-2019 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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#include "Defines.h"
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#include "p25/P25Defines.h"
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#include "p25/dfsi/DFSIDefines.h"
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#include "p25/dfsi/LC.h"
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#include "p25/P25Utils.h"
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#include "Log.h"
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#include "Utils.h"
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using namespace p25::dfsi;
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using namespace p25;
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#include <cstdio>
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#include <cassert>
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#include <cstring>
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// ---------------------------------------------------------------------------
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// Public Class Members
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// ---------------------------------------------------------------------------
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/// <summary>
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/// Initializes a new instance of the LC class.
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/// </summary>
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/// <param name="siteData"></param>
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LC::LC() :
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m_rtModeFlag(P25_DFSI_RT_ENABLED),
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m_startStopFlag(P25_DFSI_START_FLAG),
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m_typeFlag(P25_DFSI_TYPE_VOICE),
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m_control(),
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m_lsd()
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{
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/* stub */
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}
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/// <summary>
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/// Finalizes a instance of LC class.
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/// </summary>
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LC::~LC()
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{
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/* stub */
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}
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/// <summary>
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/// Equals operator.
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/// </summary>
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/// <param name="data"></param>
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/// <returns></returns>
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LC& LC::operator=(const LC& data)
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{
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if (this != &data) {
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m_frameType = data.m_frameType;
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m_rtModeFlag = data.m_rtModeFlag;
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m_startStopFlag = data.m_startStopFlag;
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m_typeFlag = data.m_typeFlag;
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m_control = data.m_control;
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m_lsd = data.m_lsd;
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}
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return *this;
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}
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/// <summary>
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/// Decode a NID start/stop.
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/// </summary>
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/// <param name="data"></param>
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/// <returns>True, if decoded, otherwise false.</returns>
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bool LC::decodeNID(const uint8_t* data)
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{
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assert(data != NULL);
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m_frameType = data[0U]; // Frame Type
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return decodeStart(data);
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}
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/// <summary>
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/// Encode a NID start/stop.
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/// </summary>
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/// <param name="data"></param>
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void LC::encodeNID(uint8_t* data)
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{
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assert(data != NULL);
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uint8_t raw[P25_DFSI_SS_FRAME_LENGTH_BYTES];
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::memset(raw, 0x00U, P25_DFSI_SS_FRAME_LENGTH_BYTES);
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raw[0U] = m_frameType; // Frame Type
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encodeStart(raw + 1U);
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}
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// ---------------------------------------------------------------------------
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// Private Class Members
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// ---------------------------------------------------------------------------
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/// <summary>
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/// Decode start data.
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/// </summary>
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/// <param name="data"></param>
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/// <returns>True, if decoded, otherwise false.</returns>
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bool LC::decodeStart(const uint8_t* data)
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{
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assert(data != NULL);
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m_rtModeFlag = data[1U]; // RT Mode Flag
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m_startStopFlag = data[2U]; // Start/Stop Flag
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m_typeFlag = data[3U]; // Type Flag
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return true;
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}
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/// <summary>
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/// Encode start data.
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/// </summary>
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/// <param name="data"></param>
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void LC::encodeStart(uint8_t* data)
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{
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assert(data != NULL);
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uint8_t raw[P25_DFSI_START_LENGTH_BYTES];
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::memset(raw, 0x00U, P25_DFSI_START_LENGTH_BYTES);
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raw[0U] = 0x02U;
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raw[1U] = m_rtModeFlag; // RT Mode Flag
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raw[2U] = m_startStopFlag; // Start/Stop Flag
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raw[3U] = m_typeFlag; // Type flag
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::memcpy(data, raw, P25_DFSI_START_LENGTH_BYTES);
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}
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@ -0,0 +1,104 @@
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/**
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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
|
||||
* (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
|
||||
* 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
|
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* Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
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*/
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#if !defined(__P25_DFSI__LC_H__)
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#define __P25_DFSI__LC_H__
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#include "Defines.h"
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#include "p25/data/LowSpeedData.h"
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#include "p25/lc/LC.h"
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#include <string>
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namespace p25
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{
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namespace dfsi
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{
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// ---------------------------------------------------------------------------
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// Class Declaration
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// Represents link control data for DFSI VHDR, LDU1 and 2 packets.
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// ---------------------------------------------------------------------------
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class HOST_SW_API LC {
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public:
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/// <summary>Initializes a new instance of the LC class.</summary>
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LC();
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/// <summary>Finalizes a instance of the LC class.</summary>
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~LC();
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/// <summary>Equals operator.</summary>
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LC& operator=(const LC& data);
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/// <summary>Decode a NID start/stop.</summary>
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bool decodeNID(const uint8_t* data);
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/// <summary>Encode a NID start/stop.</summary>
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void encodeNID(uint8_t* data);
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/// <summary>Decode a voice header 1.</summary>
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bool decodeVHDR1(const uint8_t* data);
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/// <summary>Encode a voice header 1.</summary>
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void encodeVHDR1(uint8_t* data);
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/// <summary>Decode a voice header 2.</summary>
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bool decodeVHDR2(const uint8_t* data);
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/// <summary>Encode a voice header 2.</summary>
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void encodeVHDR2(uint8_t* data);
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/// <summary>Decode a logical link data unit 1.</summary>
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bool decodeLDU1(const uint8_t* data);
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/// <summary>Encode a logical link data unit 1.</summary>
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void encodeLDU1(uint8_t* data);
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/// <summary>Decode a logical link data unit 2.</summary>
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bool decodeLDU2(const uint8_t* data);
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/// <summary>Encode a logical link data unit 2.</summary>
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void encodeLDU2(uint8_t* data);
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public:
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/** Common Data */
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/// <summary>Frame Type.</summary>
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__PROPERTY(uint8_t, frameType, FrameType);
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/// <summary>RT Mode Flag.</summary>
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__PROPERTY(uint8_t, rtModeFlag, RTMode);
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/// <summary>Start/Stop Flag.</summary>
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__PROPERTY(uint8_t, startStopFlag, StartStop);
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/// <summary>Type Flag.</summary>
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__PROPERTY(uint8_t, typeFlag, Type);
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/// <summary>Link control data.</summary>
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__PROPERTY(p25::lc::LC, control, Control);
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/// <summary>Low speed data.</summary>
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__PROPERTY(p25::data::LowSpeedData, lsd, LSD);
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private:
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/// <summary>Decode start data.</summary>
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bool decodeStart(const uint8_t* data);
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/// <summary>Encode start data.</summary>
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void encodeStart(uint8_t* data);
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};
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} // namespace dfsi
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} // namespace p25
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#endif // __P25_DFSI__LC_H__
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