90 lines
2.5 KiB
C++
90 lines
2.5 KiB
C++
/*
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* Copyright (C) 2018,2019,2020 by Jonathan Naylor G4KLX
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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(POCSAGControl_H)
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#define POCSAGControl_H
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#include "POCSAGNetwork.h"
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#include "POCSAGDefines.h"
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#include "RingBuffer.h"
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#include "Display.h"
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#include "Defines.h"
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#include <cstdint>
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#include <string>
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#include <deque>
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struct POCSAGData {
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unsigned int m_ric;
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std::string m_text;
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std::string m_display;
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std::deque<uint32_t> m_buffer;
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};
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class CPOCSAGControl {
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public:
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CPOCSAGControl(CPOCSAGNetwork* network, CDisplay* display);
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~CPOCSAGControl();
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void sendPage(unsigned int ric, const std::string& text);
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unsigned int readModem(unsigned char* data);
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void clock(unsigned int ms);
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void enable(bool enabled);
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private:
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CPOCSAGNetwork* m_network;
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CDisplay* m_display;
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CRingBuffer<unsigned char> m_queue;
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unsigned int m_frames;
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unsigned int m_count;
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enum POCSAG_STATE {
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PS_NONE,
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PS_WAITING,
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PS_SENDING,
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PS_ENDING
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};
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std::deque<uint32_t> m_output;
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std::deque<uint32_t> m_buffer;
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unsigned int m_ric;
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std::deque<POCSAGData*> m_data;
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POCSAG_STATE m_state;
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bool m_enabled;
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FILE* m_fp;
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bool readNetwork();
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void writeQueue();
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bool processData();
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void addAddress(unsigned char functional, unsigned int ric, std::deque<uint32_t>& buffer) const;
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void packASCII(const std::string& text, std::deque<uint32_t>& buffer) const;
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void packNumeric(const std::string& text, std::deque<uint32_t>& buffer) const;
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void addBCHAndParity(uint32_t& word) const;
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bool openFile();
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bool writeFile(const unsigned char* data);
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void closeFile();
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void decodeROT1(const std::string& in, unsigned int start, std::string& out) const;
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};
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#endif
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