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mavlink: properly initialize vehicle_command queue

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This makes sure that the vehicle_command topic is properly
initialized from the beginning.

orb_exists returns -1 or 0 and not a bool as one would expect.
This commit is contained in:
Julian Oes
2021-06-03 11:43:10 +02:00
committed by Daniel Agar
parent 00cc1323ea
commit 60235f8474
1 changed files with 1 additions and 1 deletions
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2
src/modules/mavlink/mavlink_main.cpp
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@@ -118,7 +118,7 @@ Mavlink::Mavlink() :
}
// ensure topic exists, otherwise we might lose first queued commands
if (!orb_exists(ORB_ID(vehicle_command), 0)) {
if (orb_exists(ORB_ID(vehicle_command), 0) == PX4_ERROR) {
orb_advertise_queue(ORB_ID(vehicle_command), nullptr, vehicle_command_s::ORB_QUEUE_LENGTH);
}