bool
NMEAParser::RMZ(NMEAInputLine &line, NMEAInfo &info)
{
//JMW? RMZAltitude = info.pressure.PressureAltitudeToQNHAltitude(RMZAltitude);
fixed value;
if (ReadAltitude(line, value)) {
// JMW no in-built baro sources, so use this generic one
if (info.flarm.IsDetected()) {
/* FLARM emulates the Garmin $PGRMZ sentence, but emits the
altitude above 1013.25 hPa - since the don't have a "FLARM"
device driver, we use the auto-detected "isFlarm" flag
here */
info.ProvideWeakPressureAltitude(value);
/* when a FLARM gets detected too late, the previous call to
this function may have filled the PGRMZ value into
"barometric altitude"; that was a misapprehension, and the
following line attempts to correct it as early as possible */
info.ClearWeakBaroAltitude();
} else {
info.ProvideWeakBaroAltitude(value);
info.ClearWeakPressureAltitude();
}
}
return true;
}
/**
* Parses a PGRMZ sentence (Garmin proprietary).
*
* @param String Input string
* @param params Parameter array
* @param nparams Number of parameters
* @param info NMEA_INFO struct to parse into
* @return Parsing success
*/
bool
NMEAParser::RMZ(NMEAInputLine &line, NMEAInfo &info)
{
//JMW? RMZAltitude = info.pressure.PressureAltitudeToQNHAltitude(RMZAltitude);
fixed value;
if (ReadAltitude(line, value)) {
// JMW no in-built baro sources, so use this generic one
if (info.flarm.IsDetected())
/* FLARM emulates the Garmin $PGRMZ sentence, but emits the
altitude above 1013.25 hPa - since the don't have a "FLARM"
device driver, we use the auto-detected "isFlarm" flag
here */
info.ProvideWeakPressureAltitude(value);
else
info.ProvideBaroAltitudeTrue(value);
}
return true;
}
