UXRCE-DDS

PX4 Autopilot: A Practitioner's Guide to Troubleshooting, Debugging, Building, and Testing

Everything I learned contributing 6 PRs to PX4-Autopilot in a single session — from Docker-based builds and sanitizer workflows, through uXRCE-DDS session debugging and MAVLink signing analysis, to SITL integration testing. Real bugs, real fixes, real build output.

Running px4-ros2-interface-lib Tests Against PX4 SITL

Running px4-ros2-interface-lib Integration Tests Against PX4 SITL: A Deep Technical Journey

A detailed technical account of running px4-ros2-interface-lib integration tests against PX4 SITL — from discovering that the project’s CI never runs them, through three different simulator backends, five distinct failure modes, and the surprising DDS payload mismatch that blocked everything. Every dead end documented.