sprocket(at)vx-aviation.c
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 Posted: Mon Feb 04, 2013 8:13 am Post subject: (Case 117320) VP-200 Compatibility with Dynon Skyview 5.1 |
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I assisted both Garmin and Dynon in the writing of a common interface
specification (called FIX: Flight Information eXchange) for Attitude/Airdata
and EMS data. I invested a lot of my time and both companies agreed to the
common specification... including modifying their own protocol to allow for
commonality.
When Dynon production released their version, they added one field in the
air data, making it incompatible with the Garmin version. Now, apparently
they have changed the EMS data as well.
One small victory is that each company uses its own delimiter and version
number so it is possible in software to determine the format.
What we need is an industry group that produces interoperability
specifications. Unfortunately, our industry is too small to support such an
effort, so it's up to groups like MakerPlane to produce open standards for
EFIS data and such. One thing for sure, I will never donate my time to this
effort again. Shame on Dynon and shame on me.
Vern
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