PX4/Firmware — pull request #901 by LorenzMeier (2014-05-05 15:12:22+00:00)
Title: Safelink

@TickTock- @DrTon This PR allows to hook up two FMUs and use the output of one as the fallback input of the other unit.

WARNING: This is not tested with two units yet. Only tested with one. It will need validation work, but its also not terrible far.