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Merge "GPS NMEA: generate empty GSA sentence for dead reckoning fixes"

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qctecmdr 2019-11-04 17:59:31 -08:00 committed by Gerrit - the friendly Code Review server
commit 1a16cbc20c
1 changed files with 8 additions and 0 deletions
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8
utils/loc_nmea.cpp
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@ -1327,6 +1327,14 @@ void loc_nmea_generate_pos(const UlpLocation &location,
talker[1] = sv_meta.talker[1]; talker[1] = sv_meta.talker[1];
} }
// if svUsedCount is 0, it means we do not generate any GSA sentence yet.
// in this case, generate an empty GSA sentence
if (svUsedCount == 0) {
strlcpy(sentence, "$GPGSA,A,1,,,,,,,,,,,,,,,,", sizeof(sentence));
length = loc_nmea_put_checksum(sentence, sizeof(sentence));
nmeaArraystr.push_back(sentence);
}
char ggaGpsQuality[3] = {'0', '\0', '\0'}; char ggaGpsQuality[3] = {'0', '\0', '\0'};
char rmcModeIndicator = 'N'; char rmcModeIndicator = 'N';
char vtgModeIndicator = 'N'; char vtgModeIndicator = 'N';