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concept-middleware.md

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PX4 Middleware

The PX4 Middleware consists primarily of device drivers for embedded sensors and a publish-subscribe based middleware to connect these sensors to applications running the flight controls.

The use of the publish-subscribe scheme means that:

  • The system is reactive: It will update instantly when new data is available
  • It is running fully parallelized
  • A system component can consume data from anywhere in a thread-safe fashion