I found this
http://www.avid.com/US/partners/developer-partners
further down the rabbit hole
Avid’s EUCON Control builds on the exciting innovations of Euphonix to allow compatible software applications to communicate with Avid control surfaces. Avid is dedicated to supporting EUCON, broadening its reach and enhancing its features. If you are interested in adding EUCON support to your application, Avid wants to hear from you.
EUCON includes the following features and benefits:
High-speed Ethernet networked control including Gigabit Ethernet
High-resolution (16-bit) fader & knob control
Control includes EUCON, HUI & Mackie Control Protocols
EUCON transports trackball & keyboard over Ethernet simplifying cabling
MacOS and PC Compatibility
Controls multiple workstations & applications simultaneously
Control switches to match software application
Support from industry-leading applications including major digital audio workstations.
Allows hardware surface direct access to software application command sets
Allows DAW plug-in control from channel strips
Supports multi-format metering, EQ & Pan curve displays with EUCON aware software applications
Works with Euphonix Artist Series
All well and good but I am not interested in adding eucon to my software, I am interested in adding eucon to hardware other then an artist mix. I am of the impression aviod would not want such a venture. but then again if it's just for homebrew use?