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204 lines
7.3 KiB
204 lines
7.3 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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// 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) 2017-2020 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_CONTROL_H__)
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#define __P25_CONTROL_H__
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#include "Defines.h"
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#include "p25/TrunkPacket.h"
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#include "p25/DataPacket.h"
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#include "p25/VoicePacket.h"
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#include "p25/NID.h"
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#include "p25/SiteData.h"
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#include "network/BaseNetwork.h"
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#include "network/RemoteControl.h"
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#include "lookups/RSSIInterpolator.h"
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#include "lookups/IdenTableLookup.h"
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#include "lookups/RadioIdLookup.h"
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#include "lookups/TalkgroupIdLookup.h"
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#include "modem/Modem.h"
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#include "RingBuffer.h"
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#include "Timer.h"
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#include "yaml/Yaml.h"
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#include <cstdio>
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namespace p25
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{
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// ---------------------------------------------------------------------------
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// Class Prototypes
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// ---------------------------------------------------------------------------
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class HOST_SW_API VoicePacket;
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class HOST_SW_API DataPacket;
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class HOST_SW_API TrunkPacket;
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// ---------------------------------------------------------------------------
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// Class Declaration
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// This class implements core logic for handling P25.
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// ---------------------------------------------------------------------------
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class HOST_SW_API Control {
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public:
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/// <summary>Initializes a new instance of the Control class.</summary>
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Control(uint32_t nac, uint32_t callHang, uint32_t queueSize, modem::Modem* modem, network::BaseNetwork* network,
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uint32_t timeout, uint32_t tgHang, uint32_t ccBcstInterval, bool duplex, lookups::RadioIdLookup* ridLookup,
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lookups::TalkgroupIdLookup* tidLookup, lookups::IdenTableLookup* idenTable, lookups::RSSIInterpolator* rssiMapper,
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bool dumpPDUData, bool repeatPDU, bool dumpTSBKData, bool debug, bool verbose);
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/// <summary>Finalizes a instance of the Control class.</summary>
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~Control();
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/// <summary>Resets the data states for the RF interface.</summary>
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void reset();
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/// <summary>Helper to set P25 configuration options.</summary>
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void setOptions(yaml::Node& conf, const std::string cwCallsign, const std::vector<uint32_t> voiceChNo,
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uint32_t pSuperGroup, uint32_t netId, uint32_t sysId, uint8_t rfssId, uint8_t siteId,
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uint8_t channelId, uint32_t channelNo, bool printOptions);
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/// <summary>Sets a flag indicating whether the P25 control channel is running.</summary>
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void setCCRunning(bool ccRunning);
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/// <summary>Process a data frame from the RF interface.</summary>
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bool processFrame(uint8_t* data, uint32_t len);
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/// <summary>Get frame data from data ring buffer.</summary>
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uint32_t getFrame(uint8_t* data);
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/// <summary>Helper to write P25 adjacent site information to the network.</summary>
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void writeAdjSSNetwork();
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/// <summary>Helper to write control channel frame data.</summary>
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bool writeControlRF();
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/// <summary>Helper to write end of control channel frame data.</summary>
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bool writeControlEndRF();
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/// <summary>Helper to write end of frame data.</summary>
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bool writeEndRF();
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/// <summary>Updates the processor by the passed number of milliseconds.</summary>
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void clock(uint32_t ms);
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/// <summary>Gets instance of the NID class.</summary>
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NID nid() { return m_nid; }
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/// <summary>Gets instance of the TrunkPacket class.</summary>
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TrunkPacket* trunk() { return m_trunk; }
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/// <summary>Helper to change the debug and verbose state.</summary>
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void setDebugVerbose(bool debug, bool verbose);
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private:
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friend class VoicePacket;
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VoicePacket* m_voice;
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friend class DataPacket;
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DataPacket* m_data;
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friend class TrunkPacket;
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TrunkPacket* m_trunk;
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uint32_t m_nac;
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uint32_t m_timeout;
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modem::Modem* m_modem;
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network::BaseNetwork* m_network;
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bool m_inhibitIllegal;
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bool m_legacyGroupGrnt;
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bool m_legacyGroupReg;
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bool m_duplex;
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bool m_control;
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bool m_dedicatedControl;
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bool m_voiceOnControl;
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bool m_ackTSBKRequests;
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bool m_disableNetworkHDU;
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lookups::IdenTableLookup* m_idenTable;
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lookups::RadioIdLookup* m_ridLookup;
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lookups::TalkgroupIdLookup* m_tidLookup;
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lookups::IdenTable m_idenEntry;
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RingBuffer<uint8_t> m_queue;
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RPT_RF_STATE m_rfState;
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uint32_t m_rfLastDstId;
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RPT_NET_STATE m_netState;
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uint32_t m_netLastDstId;
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bool m_tailOnIdle;
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bool m_ccOnIdle;
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bool m_ccRunning;
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uint32_t m_ccBcstInterval;
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Timer m_rfTimeout;
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Timer m_rfTGHang;
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Timer m_netTimeout;
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Timer m_networkWatchdog;
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uint32_t m_hangCount;
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uint32_t m_tduPreambleCount;
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uint8_t m_ccFrameCnt;
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uint8_t m_ccSeq;
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NID m_nid;
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SiteData m_siteData;
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lookups::RSSIInterpolator* m_rssiMapper;
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uint8_t m_rssi;
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uint8_t m_maxRSSI;
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uint8_t m_minRSSI;
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uint32_t m_aveRSSI;
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uint32_t m_rssiCount;
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bool m_verbose;
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bool m_debug;
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/// <summary>Write data processed from RF to the data ring buffer.</summary>
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void writeQueueRF(const uint8_t* data, uint32_t length);
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/// <summary>Write data processed from the network to the data ring buffer.</summary>
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void writeQueueNet(const uint8_t* data, uint32_t length);
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/// <summary>Process a data frames from the network.</summary>
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void processNetwork();
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/// <summary>Helper to write data nulls.</summary>
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void writeRF_Nulls();
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/// <summary>Helper to write TDU preamble packet burst.</summary>
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void writeRF_Preamble();
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/// <summary>Helper to write a P25 TDU packet.</summary>
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void writeRF_TDU(bool noNetwork);
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/// <summary>Helper to set the busy status bits on P25 frame data.</summary>
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void setBusyBits(uint8_t* data, uint32_t ssOffset, bool b1, bool b2);
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/// <summary>Helper to add the busy status bits on P25 frame data.</summary>
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void addBusyBits(uint8_t* data, uint32_t length, bool b1, bool b2);
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};
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} // namespace p25
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#endif // __P25_CONTROL_H__
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