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Unread 17-03-2014, 23:51
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RobotPy Guy
AKA: Dustin Spicuzza
FRC #1418 (), FRC #1973, FRC #4796, FRC #6367 ()
Team Role: Mentor
 
Join Date: Dec 2008
Rookie Year: 2003
Location: Boston, MA
Posts: 1,043
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Re: pynetworktables 2014.4 released

Quote:
Originally Posted by Patrick Shainin View Post
Hi,
We're using pynetworktables to communicate results of vision processing python code from a pandaboard to a crio that IS NOT using robotpy. We had problems that caused our robot to become unresponsive to autonomous or teleop controls when a match began (but didn't have any problem during practice matches, or during non-field system testing.) Disconnecting the pandaboard eliminated the problem, but also our vision processing.
If you're using C++ on your robot, then see this thread. The unresponsiveness is a known bug in the C++ implementation of NetworkTables. A workaround is *always* make sure everything is off before the match (including Driver Station, beagle, and cRio), and if any of them turn off, turn all of them off.

I've been told that FRC will be releasing an official patch for this in the next week or two, but my unofficial patch is also available.
__________________
Maintainer of RobotPy - Python for FRC
Creator of pyfrc (Robot Simulator + utilities for Python) and pynetworktables/pynetworktables2js (NetworkTables for Python & Javascript)

2017 Season: Teams #1973, #4796, #6369
Team #1418 (remote mentor): Newton Quarterfinalists, 2016 Chesapeake District Champion, 2x Innovation in Control award, 2x district event winner
Team #1418: 2015 DC Regional Innovation In Control Award, #2 seed; 2014 VA Industrial Design Award; 2014 Finalists in DC & VA
Team #2423: 2012 & 2013 Boston Regional Innovation in Control Award


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