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Detects M20 radiosondes and decode GNSS location

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Joel M 2023-04-29 14:00:28 +02:00 committed by GitHub
parent e3169a3495
commit c916eaf43f
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1 changed files with 14 additions and 0 deletions
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14
firmware/common/sonde_packet.cpp
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@ -64,6 +64,8 @@ Packet::Packet(
type_ = Type::Meteomodem_M10; type_ = Type::Meteomodem_M10;
else if (id_byte == 0x648F) else if (id_byte == 0x648F)
type_ = Type::Meteomodem_M2K2; type_ = Type::Meteomodem_M2K2;
else if (id_byte == 0x4520) //https://raw.githubusercontent.com/projecthorus/radiosonde_auto_rx/master/demod/mod/m20mod.c
type_ = Type::Meteomodem_M20;
} }
} }
@ -109,6 +111,12 @@ GPS_data Packet::get_GPS_data() const
result.lat = reader_bi_m.read(14 * 8, 32) / ((1ULL << 32) / 360.0); result.lat = reader_bi_m.read(14 * 8, 32) / ((1ULL << 32) / 360.0);
result.lon = reader_bi_m.read(18 * 8, 32) / ((1ULL << 32) / 360.0); result.lon = reader_bi_m.read(18 * 8, 32) / ((1ULL << 32) / 360.0);
} }
else if (type_ == Type::Meteomodem_M20)
{
result.alt = ((reader_bi_m.read(8 * 8, 32) / 100) - 48) / 250 ; //Conversion of altitude is actually a bit shifted, needs to be more accurate.
result.lat = reader_bi_m.read(28 * 8, 32) / 1000000.0 ; //https://raw.githubusercontent.com/projecthorus/radiosonde_auto_rx/master/demod/mod/m20mod.c
result.lon = reader_bi_m.read(32 * 8, 32) / 1000000.0 ;
}
else if (type_ == Type::Vaisala_RS41_SG) else if (type_ == Type::Vaisala_RS41_SG)
{ {
@ -147,6 +155,10 @@ uint32_t Packet::battery_voltage() const
{ {
if (type_ == Type::Meteomodem_M10) if (type_ == Type::Meteomodem_M10)
return (reader_bi_m.read(69 * 8, 8) + (reader_bi_m.read(70 * 8, 8) << 8)) * 1000 / 150; return (reader_bi_m.read(69 * 8, 8) + (reader_bi_m.read(70 * 8, 8) << 8)) * 1000 / 150;
else if (type_ == Type::Meteomodem_M20)
{
return 0; //NOT SUPPPORTED YET
}
else if (type_ == Type::Meteomodem_M2K2) else if (type_ == Type::Meteomodem_M2K2)
return reader_bi_m.read(69 * 8, 8) * 66; // Actually 65.8 return reader_bi_m.read(69 * 8, 8) * 66; // Actually 65.8
else if (type_ == Type::Vaisala_RS41_SG) else if (type_ == Type::Vaisala_RS41_SG)
@ -279,6 +291,8 @@ std::string Packet::type_string() const
return "Meteomodem ???"; return "Meteomodem ???";
case Type::Meteomodem_M10: case Type::Meteomodem_M10:
return "Meteomodem M10"; return "Meteomodem M10";
case Type::Meteomodem_M20:
return "Meteomodem M20";
case Type::Meteomodem_M2K2: case Type::Meteomodem_M2K2:
return "Meteomodem M2K2"; return "Meteomodem M2K2";
case Type::Vaisala_RS41_SG: case Type::Vaisala_RS41_SG: