/**
* Parse a "$VMVABD" sentence.
*
* Example: "$VMVABD,0000.0,M,0547.0,M,-0.0,,,MS,0.0,KH,22.4,C*65"
*/
static bool
FlytecParseVMVABD(NMEAInputLine &line, NMEA_INFO &info, bool enable_baro)
{
fixed value;
// 0,1 = GPS altitude, unit
line.read_checked_compare(info.GPSAltitude, "M");
// 2,3 = baro altitude, unit
bool available = line.read_checked_compare(value, "M");
if (enable_baro) {
if (available)
info.BaroAltitude = value;
info.BaroAltitudeAvailable = available;
}
// 4-7 = integrated vario, unit
line.skip(4);
// 8,9 = indicated or true airspeed, unit
info.AirspeedAvailable = line.read_checked_compare(value, "KH");
if (info.AirspeedAvailable) {
// XXX is that TAS or IAS? Documentation isn't clear.
info.TrueAirspeed = Units::ToSysUnit(value, unKiloMeterPerHour);
info.IndicatedAirspeed = info.TrueAirspeed;
}
// 10,11 = temperature, unit
info.TemperatureAvailable =
line.read_checked_compare(value, "C");
if (info.TemperatureAvailable)
info.OutsideAirTemperature = Units::ToSysUnit(value, unGradCelcius);
return true;
}
/**
* Parse a "$VMVABD" sentence.
*
* Example: "$VMVABD,0000.0,M,0547.0,M,-0.0,,,MS,0.0,KH,22.4,C*65"
*/
static bool
FlytecParseVMVABD(NMEAInputLine &line, NMEA_INFO &info)
{
fixed value;
// 0,1 = GPS altitude, unit
if (line.read_checked_compare(info.GPSAltitude, "M"))
info.GPSAltitudeAvailable.Update(info.clock);
// 2,3 = baro altitude, unit
if (line.read_checked_compare(value, "M"))
info.ProvideBaroAltitudeTrue(value);
// 4-7 = integrated vario, unit
line.skip(4);
// 8,9 = indicated or true airspeed, unit
if (line.read_checked_compare(value, "KH"))
// XXX is that TAS or IAS? Documentation isn't clear.
info.ProvideBothAirspeeds(Units::ToSysUnit(value, unKiloMeterPerHour));
// 10,11 = temperature, unit
info.TemperatureAvailable =
line.read_checked_compare(value, "C");
if (info.TemperatureAvailable)
info.OutsideAirTemperature = Units::ToSysUnit(value, unGradCelcius);
return true;
}
/**
* Parse a "$VMVABD" sentence.
*
* Example: "$VMVABD,0000.0,M,0547.0,M,-0.0,,,MS,0.0,KH,22.4,C*65"
*/
static bool
FlytecParseVMVABD(NMEAInputLine &line, NMEAInfo &info)
{
fixed value;
// 0,1 = GPS altitude, unit
if (line.read_checked_compare(info.gps_altitude, "M"))
info.gps_altitude_available.Update(info.clock);
// 2,3 = baro altitude, unit
if (line.read_checked_compare(value, "M"))
info.ProvideBaroAltitudeTrue(value);
// 4-7 = integrated vario, unit
line.skip(4);
// 8,9 = indicated or true airspeed, unit
if (line.read_checked_compare(value, "KH"))
// XXX is that TAS or IAS? Documentation isn't clear.
info.ProvideBothAirspeeds(Units::ToSysUnit(value, Unit::KILOMETER_PER_HOUR));
// 10,11 = temperature, unit
info.temperature_available =
line.read_checked_compare(value, "C");
if (info.temperature_available)
info.temperature = CelsiusToKelvin(value);
return true;
}
/**
* Parse a "$BRSF" sentence.
*
* Example: "$BRSF,063,-013,-0035,1,193,00351,535,485*38"
*/
static bool
FlytecParseBRSF(NMEAInputLine &line, NMEA_INFO &info, bool enable_baro)
{
fixed value;
// 0 = indicated or true airspeed [km/h]
// XXX is that TAS or IAS? Documentation isn't clear.
info.AirspeedAvailable = line.read_checked_compare(value, "KH");
if (info.AirspeedAvailable) {
info.TrueAirspeed = Units::ToSysUnit(value, unKiloMeterPerHour);
info.IndicatedAirspeed = info.TrueAirspeed;
}
// 1 = integrated vario [dm/s]
// 2 = altitude A2 [m] (XXX what's this?)
// 3 = waypoint
// 4 = bearing to waypoint [degrees]
// 5 = distance to waypoint [100m]
// 6 = MacCready speed to fly [100m/h]
// 7 = speed to fly, best glide [100m/h]
return true;
}
