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118 lines
4.0 KiB
C++
118 lines
4.0 KiB
C++
///////////////////////////////////////////////////////////////////////////////////
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// Copyright (C) 2012 maintech GmbH, Otto-Hahn-Str. 15, 97204 Hoechberg, Germany //
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// written by Christian Daniel //
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// Copyright (C) 2015-2020 Edouard Griffiths, F4EXB <f4exb06@gmail.com> //
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// Copyright (C) 2015 John Greb <hexameron@spam.no> //
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// Copyright (C) 2020-2021, 2023 Jon Beniston, M7RCE <jon@beniston.com> //
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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 as version 3 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 V3 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, see <http://www.gnu.org/licenses/>. //
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///////////////////////////////////////////////////////////////////////////////////
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#ifndef INCLUDE_UTIL_BAUDOT_H
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#define INCLUDE_UTIL_BAUDOT_H
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#include <QString>
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#include <QDateTime>
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#include <QMap>
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#include "export.h"
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class SDRBASE_API Baudot {
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public:
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enum CharacterSet {
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ITA2,
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UK,
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EUROPEAN,
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US,
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RUSSIAN, // MTK-2
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MURRAY
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};
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// QString used for fractions in figure set
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static const QStringList m_ita2Letter;
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static const QStringList m_ita2Figure;
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static const QStringList m_ukLetter;
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static const QStringList m_ukFigure;
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static const QStringList m_europeanLetter;
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static const QStringList m_europeanFigure;
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static const QStringList m_usLetter;
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static const QStringList m_usFigure;
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static const QStringList m_russianLetter;
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static const QStringList m_russianFigure;
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static const QStringList m_murrayLetter;
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static const QStringList m_murrayFigure;
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};
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class SDRBASE_API BaudotDecoder {
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public:
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BaudotDecoder();
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void setCharacterSet(Baudot::CharacterSet characterSet = Baudot::ITA2);
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void setUnshiftOnSpace(bool unshiftOnSpace);
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void init();
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QString decode(char bits);
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private:
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Baudot::CharacterSet m_characterSet;
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bool m_unshiftOnSpace;
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QStringList m_letters;
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QStringList m_figures;
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bool m_figure;
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};
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class SDRBASE_API BaudotEncoder {
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public:
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BaudotEncoder();
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void setCharacterSet(Baudot::CharacterSet characterSet = Baudot::ITA2);
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void setUnshiftOnSpace(bool unshiftOnSpace);
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void setMsbFirst(bool msbFirst);
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void setStartBits(int startBits);
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void setStopBits(int stopBits);
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void init();
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bool encode(QChar c, unsigned& bits, unsigned int &bitCount);
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private:
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void addCode(unsigned& bits, unsigned int& bitCount, unsigned int code) const;
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void addStartBits(unsigned int& bits, unsigned int& bitCount) const;
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void addStopBits(unsigned int& bits, unsigned int& bitCount) const;
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void addBits(unsigned int& bits, unsigned int& bitCount, int data, int count) const;
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unsigned reverseBits(unsigned int bits, unsigned int count) const;
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static unsigned reverse(unsigned int bits);
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Baudot::CharacterSet m_characterSet;
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bool m_unshiftOnSpace;
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QStringList m_chars[3];
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enum Page {
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LETTERS,
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FIGURES,
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CYRILLIC
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} m_page;
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bool m_msbFirst;
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int m_startBits;
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int m_stopBits;
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};
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#endif // INCLUDE_UTIL_BAUDOT_H
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