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Add support for modern RS41 radiosonde

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Serg 2026-03-10 23:41:19 +02:00
parent 1ddc8059b0
commit ca8fc59488
2 changed files with 38 additions and 0 deletions
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36
sdrbase/util/radiosonde.cpp
View File

@ -64,6 +64,9 @@ RS41Frame::RS41Frame(const QByteArray ba) :
case RS41_ID_GPSPOS:
decodeGPSPos(ba.mid(i+2, blockLength));
break;
case RS41_ID_POSDATETIME:
decodePosDateTime(ba.mid(i+2, blockLength));
break;
case RS41_ID_EMPTY:
break;
}
@ -169,6 +172,39 @@ void RS41Frame::decodeGPSPos(const QByteArray ba)
}
}
void RS41Frame::decodePosDateTime(const QByteArray ba)
{
m_posValid = true;
int32_t ecefX = (int32_t)getUInt32(ba, 0x0);
int32_t ecefY = (int32_t)getUInt32(ba, 0x4);
int32_t ecefZ = (int32_t)getUInt32(ba, 0x8);
Coordinates::ecefToGeodetic(ecefX / 100.0, ecefY / 100.0, ecefZ / 100.0, m_latitude, m_longitude, m_height);
if ((m_height < -1000) || (m_height > 80000)) {
m_posValid = false;
return;
}
int32_t velX = (int16_t)getUInt16(ba, 0xc);
int32_t velY = (int16_t)getUInt16(ba, 0xe);
int32_t velZ = (int16_t)getUInt16(ba, 0x10);
Coordinates::ecefVelToSpeedHeading(m_latitude, m_longitude, velX / 100.0, velY / 100.0, velZ / 100.0, m_speed, m_verticalRate, m_heading);
if (ba.size() >= 26)
{
m_gpsInfoValid = true;
uint16_t year = getUInt16(ba, 0x12);
uint8_t month = ba[0x14] & 0xff;
uint8_t day = ba[0x15] & 0xff;
uint8_t hour = ba[0x16] & 0xff;
uint8_t minute = ba[0x17] & 0xff;
uint8_t second = ba[0x18] & 0xff;
int msec = 0;
if ((ba[0x19] & 0xff) < 100) {
msec = (ba[0x19] & 0xff) * 10;
}
m_gpsDateTime = QDateTime(QDate(year, month, day), QTime(hour, minute, second, msec), Qt::UTC);
}
}
// Find the water vapor saturation pressure for a given temperature (for tCelsius < 0C).
static float waterVapourSaturationPressure(float tCelsius)
{

2
sdrbase/util/radiosonde.h
View File

@ -43,6 +43,7 @@
#define RS41_ID_GPSRAW 0x7d
#define RS41_ID_GPSPOS 0x7b
#define RS41_ID_EMPTY 0x76
#define RS41_ID_POSDATETIME 0x82
#define RS41_RS_N 255
#define RS41_RS_K 231
@ -108,6 +109,7 @@ public:
void decodeMeas(const QByteArray ba);
void decodeGPSInfo(const QByteArray ba);
void decodeGPSPos(const QByteArray ba);
void decodePosDateTime(const QByteArray ba);
float getPressureFloat(const RS41Subframe *subframe);
QString getPressureString(const RS41Subframe *subframe);