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Unread 23-01-2011, 23:29
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Programming Mentor
AKA: Jeff Beltramo
FRC #1922 (OZ-Ram)
Team Role: Coach
 
Join Date: Jan 2008
Rookie Year: 2006
Location: Concord, NH
Posts: 68
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Losing Communication with CRIO during Deploy

While trying somethings on last years robot a new problem has occurred in that when attempting to deploy new code I get a loss of communication error and the deploy halts and never starts again. This seems to only happen if code is already running on the CRIO. If no code is present prior to deploying, download is fine.

The workaround I came up with immediately was to re-image the CRIO to wipe out the old program. I searched some forum archives and saw discussions last year about using the NO APPS dip switch setting and resetting the CRIO. Haven't tried it yet, but it seems that should work as well and is a little faster.

What bothers me is this wasn't a problem all last year and now all of a sudden it is. I have installed Driver Station and Utility updates and CRIO image is the current one for the 2011 build season. FYI, we are also using LabView. Did this introduce the problem? Are any other teams seeing this? Based on archive posts from last year, a number of teams were experiencing this issue but I saw no conclusive answer as to the cause, only the work around solutions described above.

Would like to hear from anyone else having this issue and any other solutions/workarounds. Thanks.
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Jeff Beltramo
Team #1922
Concord, New Hampshire