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sdrangel/sdrbase/util/radiosonde.h

181 lines
6.3 KiB
C++

///////////////////////////////////////////////////////////////////////////////////
// Copyright (C) 2022 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_RADIOSONDE_H
#define INCLUDE_RADIOSONDE_H
#include <cstdint>
#include <algorithm>
#include <iterator>
#include <QtCore>
#include <QDateTime>
#include "util/units.h"
#include "export.h"
#define RS41_LENGTH_STD 320
#define RS41_LENGTH_EXT 518
#define RS41_OFFSET_RS 0x08
#define RS41_OFFSET_FRAME_TYPE 0x38
#define RS41_OFFSET_BLOCK_0 0x39
#define RS41_FRAME_STD 0x0f
#define RS41_FRAME_EXT 0xf0
#define RS41_ID_STATUS 0x79
#define RS41_ID_MEAS 0x7a
#define RS41_ID_GPSINFO 0x7c
#define RS41_ID_GPSRAW 0x7d
#define RS41_ID_GPSPOS 0x7b
#define RS41_ID_EMPTY 0x76
#define RS41_RS_N 255
#define RS41_RS_K 231
#define RS41_RS_2T (RS41_RS_N-RS41_RS_K)
#define RS41_RS_INTERLEAVE 2
#define RS41_RS_DATA (264/RS41_RS_INTERLEAVE)
#define RS41_RS_PAD (RS41_RS_K-RS41_RS_DATA)
class RS41Subframe;
// Frame of data transmitted by RS41 radiosonde
class SDRBASE_API RS41Frame {
public:
// Status
bool m_statusValid;
uint16_t m_frameNumber; // Increments every frame
QString m_serial; // Serial number
float m_batteryVoltage; // In volts
QString m_flightPhase; // On ground, ascent, descent
QString m_batteryStatus; // OK or Low
uint8_t m_pcbTemperature; // In degrees C
uint16_t m_humiditySensorHeating; // 0..1000
uint8_t m_transmitPower; // 0..7
uint8_t m_maxSubframeNumber;
uint8_t m_subframeNumber;
QByteArray m_subframe; // 16 bytes of subframe
// Meas
bool m_measValid;
uint32_t m_tempMain;
uint32_t m_tempRef1;
uint32_t m_tempRef2;
uint32_t m_humidityMain;
uint32_t m_humidityRef1;
uint32_t m_humidityRef2;
uint32_t m_humidityTempMain;
uint32_t m_humidityTempRef1;
uint32_t m_humidityTempRef2;
uint32_t m_pressureMain;
uint32_t m_pressureRef1;
uint32_t m_pressureRef2;
float m_pressureTemp; // Pressure sensor module temperature - In degrees C
// GPSInfo
bool m_gpsInfoValid;
QDateTime m_gpsDateTime;
// GPSPos
bool m_posValid;
double m_latitude; // In degrees
double m_longitude; // In degrees
double m_height; // In metres
double m_speed; // In m/s
double m_heading; // In degreees
double m_verticalRate; // In m/s
int m_satellitesUsed;
RS41Frame(const QByteArray ba);
~RS41Frame() {}
QString toHex();
void decodeStatus(const QByteArray ba);
void decodeMeas(const QByteArray ba);
void decodeGPSInfo(const QByteArray ba);
void decodeGPSPos(const QByteArray ba);
float getPressureFloat(const RS41Subframe *subframe);
QString getPressureString(const RS41Subframe *subframe);
float getTemperatureFloat(const RS41Subframe *subframe);
QString getTemperatureString(const RS41Subframe *subframe);
float getHumidityTemperatureFloat(const RS41Subframe *subframe);
float getHumidityFloat(const RS41Subframe *subframe);
QString getHumidityString(const RS41Subframe *subframe);
static RS41Frame* decode(const QByteArray ba);
static int getFrameLength(int frameType);
protected:
uint16_t getUInt16(const QByteArray ba, int offset) const;
uint32_t getUInt24(const QByteArray ba, int offset) const;
uint32_t getUInt32(const QByteArray ba, int offset) const;
void calcPressure(const RS41Subframe *subframe);
void calcTemperature(const RS41Subframe *subframe);
void calcHumidityTemperature(const RS41Subframe *subframe);
void calcHumidity(const RS41Subframe *subframe);
QByteArray m_bytes;
float m_pressure;
QString m_pressureString;
bool m_pressureCalibrated;
float m_temperature;
QString m_temperatureString;
bool m_temperatureCalibrated;
float m_humidityTemperature;
bool m_humidityTemperatureCalibrated;
float m_humidity;
QString m_humidityString;
bool m_humidityCalibrated;
};
// RS41 subframe holding calibration data collected from multiple RS51Frames
class SDRBASE_API RS41Subframe {
public:
RS41Subframe();
void update(RS41Frame *message);
bool hasTempCal() const;
bool getTempCal(float &r1, float &r2, float *poly, float *cal) const;
bool hasHumidityCal() const;
bool getHumidityCal(float &c1, float &c2, float *capCal, float *calMatrix) const;
bool hasHumidityTempCal() const;
bool getHumidityTempCal(float &r1, float &r2, float *poly, float *cal) const;
bool hasPressureCal() const;
bool getPressureCal(float *cal) const;
QString getType() const;
QString getFrequencyMHz() const;
QString getBurstKillStatus() const;
QString getBurstKillTimer() const;
protected:
bool m_subframeValid[51];
QByteArray m_subframe;
uint16_t getUInt16(int offset) const;
float getFloat(int offset) const;
};
#endif // INCLUDE_RADIOSONDE_H