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input sanitization - TinyGPS course()

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Reduce the impact of issue #863 (and similar issues in the future) by filtering out obvious bogons
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a-f-G-U-C 2021-09-10 15:12:12 +00:00 committed by GitHub
parent b9443d87aa
commit c442fd3886
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1 changed files with 6 additions and 1 deletions
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7
src/gps/NMEAGPS.cpp
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@ -163,7 +163,12 @@ bool NMEAGPS::lookForLocation()
} }
if (reader.course.isUpdated() && reader.course.isValid()) { if (reader.course.isUpdated() && reader.course.isValid()) {
heading = reader.course.value() * 1e3; // Scale the heading (in degrees * 10^-2) to match the expected degrees * 10^-5 if (reader.course.value() < 36000) { // sanity check
heading = reader.course.value() * 1e3; // Scale the heading (in degrees * 10^-2) to match the expected degrees * 10^-5
} else {
DEBUG_MSG("BOGUS course.value() REJECTED: %d\n",
reader.course.value());
}
} }
/* /*