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sdrangel/plugins/feature/satellitetracker/satnogs.h
Jon Beniston 5461facb3b Add Satellite Tracker feature
2021-02-26 20:25:48 +00:00

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///////////////////////////////////////////////////////////////////////////////////
// Copyright (C) 2021 Jon Beniston, M7RCE //
// //
// 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_SATNOGS_H_
#define INCLUDE_SATNOGS_H_
#include <QString>
#include <QDateTime>
#include <QHash>
#include <QJsonArray>
#include <QJsonObject>
struct SatNogsTransmitter {
int m_noradCatId; // To link to which satellite this is for
QString m_description; // E.g. GMSK9k6 G3RUH AX.25 TLM
bool m_alive;
QString m_type; // "Transmitter", "Trasceiver" or "Transponder"
qint64 m_uplinkLow;
qint64 m_uplinkHigh;
qint64 m_downlinkLow;
qint64 m_downlinkHigh;
QString m_mode; // E.g. "GMSK", "CW", "AFSK", "BPSK", "USB", etc
int m_baud;
QString m_status; // "active", "inactive", "invalid"
QString m_service; // "Amateur", "Earth Exploration", "Maritime", "Meteorological", "Mobile", "Space Research"
SatNogsTransmitter(const QJsonObject& obj)
{
m_noradCatId = obj["norad_cat_id"].toInt();
m_description = obj["description"].toString();
m_alive = obj["alive"].toBool();
m_type = obj["type"].toString();
m_uplinkLow = (qint64)obj["uplink_low"].toDouble();
m_uplinkHigh = (qint64)obj["uplink_high"].toDouble();
m_downlinkLow = (qint64)obj["downlink_low"].toDouble();
m_downlinkHigh = (qint64)obj["downlink_high"].toDouble();
m_mode = obj["mode"].toString();
m_baud = obj["baud"].toInt();
m_status = obj["status"].toString();
m_service = obj["service"].toString();
}
static QList<SatNogsTransmitter *> createList(QJsonArray array)
{
QList<SatNogsTransmitter *> list;
for (int i = 0; i < array.size(); i++)
{
QJsonValue value = array.at(i);
if (value.isObject())
list.append(new SatNogsTransmitter(value.toObject()));
}
return list;
}
static QString getFrequencyText(quint64 frequency)
{
if (frequency > 1000000000)
return QString("%1 GHz").arg(frequency/1000000000.0, 0, ',', 6);
else if (frequency > 1000000)
return QString("%1 MHz").arg(frequency/1000000.0, 0, ',', 3);
else
return QString("%1 kHz").arg(frequency/1000.0, 0, ',', 3);
}
static QString getFrequencyRangeText(quint64 low, quint64 high)
{
if (high > 1000000000)
return QString("%1-%2 GHz").arg(low/1000000000.0, 0, ',', 6).arg(high/1000000000.0, 0, ',', 6);
else if (high > 1000000)
return QString("%1-%2 MHz").arg(low/1000000.0, 0, ',', 3).arg(high/1000000.0, 0, ',', 3);
else
return QString("%1-%2 kHz").arg(low/1000.0, 0, ',', 3).arg(high/1000.0, 0, ',', 3);
}
};
struct SatNogsTLE {
int m_noradCatId; // To link to which satellite this is for
QString m_tle0;
QString m_tle1;
QString m_tle2;
QDateTime m_updated;
SatNogsTLE(const QJsonObject &obj)
{
m_noradCatId = obj["norad_cat_id"].toInt();
m_tle0 = obj["tle0"].toString();
m_tle1 = obj["tle1"].toString();
m_tle2 = obj["tle2"].toString();
m_updated = QDateTime::fromString(obj["updated"].toString(), Qt::ISODateWithMs);
}
SatNogsTLE(const QString& tle0, const QString& tle1, const QString& tle2)
{
m_noradCatId = tle2.mid(2, 5).toInt();
m_tle0 = tle0;
m_tle1 = tle1;
m_tle2 = tle2;
}
static QList<SatNogsTLE *> createList(QJsonArray array)
{
QList<SatNogsTLE *> list;
for (int i = 0; i < array.size(); i++)
{
QJsonValue value = array.at(i);
if (value.isObject())
list.append(new SatNogsTLE(value.toObject()));
}
return list;
}
static QList<SatNogsTLE *> createList(const QByteArray& array)
{
QList<SatNogsTLE *> list;
QList<QByteArray> lines = array.split('\n');
for (int i = 0; i < lines.size(); i += 3)
{
if (i + 3 < lines.size())
{
QString tle0(lines[i]);
QString tle1(lines[i+1]);
QString tle2(lines[i+2]);
list.append(new SatNogsTLE(tle0.trimmed(), tle1.trimmed(), tle2.trimmed()));
}
}
return list;
}
};
struct SatNogsSatellite {
int m_noradCatId;
QString m_name;
QStringList m_names; // Alterantive names - JSON "AO-10\r\nOSCAR-10"
QString m_image; // URL to image of satellie - JSON example: "https://db-satnogs.freetls.fastly.net/media/satellites/sigma.jpg"
QString m_status; // "alive" "re-entered" "dead" "future" or "" for TLE only sats
QDateTime m_decayed; // Date of decay. JSON "2018-05-19T00:00:00Z"
QDateTime m_launched;
QDateTime m_deployed;
QString m_website;
QString m_operator; // "None" or "European Space Agency",
QString m_countries; // "US" or "ES"
QList<SatNogsTransmitter *> m_transmitters;
SatNogsTLE *m_tle;
SatNogsSatellite(const QJsonObject& obj)
{
m_noradCatId = obj["norad_cat_id"].toInt();
m_name = obj["name"].toString();
m_names = obj["names"].toString().split("\r\n");
if ((m_names.size() == 1) && m_names[0].isEmpty())
m_names = QStringList();
m_image = obj["image"].toString();
m_status = obj["status"].toString();
if (!obj["decayed"].isNull())
m_decayed = QDateTime::fromString(obj["decayed"].toString(), Qt::ISODate);
if (!obj["launched"].isNull())
m_launched = QDateTime::fromString(obj["launched"].toString(), Qt::ISODate);
if (!obj["deployed"].isNull())
m_deployed = QDateTime::fromString(obj["deployed"].toString(), Qt::ISODate);
m_website = obj["website"].toString();
m_operator = obj["operator"].toString();
m_countries = obj["countries"].toString();
m_tle = nullptr;
}
SatNogsSatellite(SatNogsTLE *tle)
{
// Extract names from TLE
// tle0 is of the form:
// MOZHAYETS 4 (RS-22)
// GOES 9 [-]
QRegExp re("([A-Za-z0-9\\- ]+)([\\(]([A-Z0-9\\- ]+)[\\)])?");
if (re.indexIn(tle->m_tle0) != -1)
{
QStringList groups = re.capturedTexts();
m_name = groups[1].trimmed();
if ((groups.size() >= 4) && (groups[3] != "-") && !groups[3].isEmpty())
m_names = QStringList({groups[3].trimmed()});
m_noradCatId = tle->m_tle2.mid(2, 5).toInt();
m_tle = tle;
}
}
QString toString()
{
QStringList list;
list.append(QString("Name: %1").arg(m_name));
list.append(QString("NORAD ID: %1").arg(m_noradCatId));
if (m_tle != nullptr)
{
list.append(QString("TLE0: %1").arg(m_tle->m_tle0));
list.append(QString("TLE1: %1").arg(m_tle->m_tle1));
list.append(QString("TLE2: %1").arg(m_tle->m_tle2));
}
for (int i = 0; i < m_transmitters.size(); i++)
{
list.append(QString("Mode: %1 Freq: %2").arg(m_transmitters[i]->m_mode).arg(m_transmitters[i]->m_downlinkLow));
}
return list.join("\n");
}
void addTransmitters(const QList<SatNogsTransmitter *>& transmitters)
{
for (int i = 0; i < transmitters.size(); i++)
{
SatNogsTransmitter *tx = transmitters[i];
if (tx->m_noradCatId == m_noradCatId)
m_transmitters.append(tx);
}
}
void addTLE(const QList<SatNogsTLE *>& tles)
{
for (int i = 0; i < tles.size(); i++)
{
SatNogsTLE *tle = tles[i];
if (tle->m_noradCatId == m_noradCatId)
m_tle = tle;
}
}
// Create a hash table of satellites from the JSON object
static QHash<QString, SatNogsSatellite *> createHash(QJsonArray array)
{
QHash<QString, SatNogsSatellite *> hash;
for (int i = 0; i < array.size(); i++)
{
QJsonValue value = array.at(i);
if (value.isObject())
{
SatNogsSatellite *sat = new SatNogsSatellite(value.toObject());
hash.insert(sat->m_name, sat);
}
}
return hash;
}
};
#endif // INCLUDE_SATNOGS_H_
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