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sdrangel/sdrbase/util/navtex.h

112 lines
3.3 KiB
C++

///////////////////////////////////////////////////////////////////////////////////
// Copyright (C) 2023 Jon Beniston, M7RCE <jon@beniston.com> //
// //
// This program is free software; you can redistribute it and/or modify //
// it under the terms of the GNU General Public License as published by //
// the Free Software Foundation as version 3 of the License, or //
// (at your option) any later version. //
// //
// This program is distributed in the hope that it will be useful, //
// but WITHOUT ANY WARRANTY; without even the implied warranty of //
// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the //
// GNU General Public License V3 for more details. //
// //
// You should have received a copy of the GNU General Public License //
// along with this program. If not, see <http://www.gnu.org/licenses/>. //
///////////////////////////////////////////////////////////////////////////////////
#ifndef INCLUDE_UTIL_NAVTEX_H
#define INCLUDE_UTIL_NAVTEX_H
#include <QString>
#include <QDateTime>
#include <QMap>
#include "export.h"
class SDRBASE_API NavtexTransmitter {
public:
struct Schedule {
char m_id;
qint64 m_frequency;
QList<QTime> m_times;
Schedule(char id, qint64 frequency) :
m_id(id),
m_frequency(frequency)
{
}
Schedule(char id, qint64 frequency, QList<QTime> times) :
m_id(id),
m_frequency(frequency),
m_times(times)
{
}
};
int m_area;
QString m_station;
float m_latitude;
float m_longitude;
QList<Schedule> m_schedules;
static const QList<NavtexTransmitter> m_navtexTransmitters;
static const NavtexTransmitter* getTransmitter(QTime time, int area, qint64 frequency);
};
class SDRBASE_API NavtexMessage {
public:
QString m_stationId;
QString m_typeId;
QString m_id;
QString m_message;
QDateTime m_dateTime;
bool m_valid;
static const QMap<QString,QString> m_types;
NavtexMessage(const QString& text);
NavtexMessage(QDateTime dataTime, const QString& stationId, const QString& typeId, const QString& id, const QString& message);
QString getStation(int area, qint64 frequency) const;
QString getType() const;
};
class SDRBASE_API SitorBDecoder {
public:
void init();
signed char decode(signed char c);
int getErrors() const { return m_errors; }
static QString printable(signed char c);
private:
static const signed char PHASING_1 = 0x78;
static const signed char PHASING_2 = 0x33;
static const int BUFFER_SIZE = 3;
signed char m_buf[3];
bool m_figureSet;
enum State {
PHASING,
FILL_DX,
FILL_RX,
DX,
RX
} m_state;
int m_idx;
int m_errors;
static const signed char m_ccir476LetterSetDecode[128];
static const signed char m_ccir476FigureSetDecode[128];
signed char ccir476Decode(signed char c);
};
#endif // INCLUDE_UTIL_NAVTEX_H