I am currently running the latest PX4-Autopilot simulator using
make px4_sitl gazebo-classic on a machine with ROS2 Foxy and Ubuntu 20.04. I am also running the MicroXRCEAgent using:
MicroXRCEAgent udp4 -p 8888. I don’t know if that matters or not.
I can run
ros2 topic echo /fmu/out/sensor_combined and see these messages being published in the terminal window. But I have a subscriber node that is listening for them, and not being triggered (despite it triggering if I manually publish to that topic via the command line). These terminals are all on the same machine on the same network if that matters.
I tried looking into MAV BROADCAST settings, but that did not seem to yield any results. What am I missing? Is there a networking thing that would prevent my node from subscribing to a topic?