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Unread 06-02-2016, 08:32
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Poseidon5817 Poseidon5817 is offline
Founder and CEO, DeadMemes Studios
AKA: Mitchel Stokes
FRC #5817 (Uni-Rex)
Team Role: Mentor
 
Join Date: Aug 2013
Rookie Year: 2014
Location: Clovis, CA
Posts: 403
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Re: Running GRIP from driver station?

Quote:
Originally Posted by BrianAtlanta View Post
We've tested with DS based grip with an IP camera on the bot and it worked smoothly. We used network tables to drive a motor turning the camera as a proof of concept. Definitely do-able.

If you're pushing video to DS, make sure that you are aware of the bandwidth you're using based upon compression and resolution. FRC has a table to determine bandwith based upon compression, resolution and frame rate. Additionally, even though you get 7mbps on your wifi, the same FRC document points out that packet latency spikes after using 6mbps.

Brian
Thanks Bryan, it's good to see that another team did this. How did you go about doing this, and how bad was the latency? Do you think you could describe some of the steps you took to get this set up, and what you had to have open to have it work (GRIP, DS, etc.).

Thanks a lot!
__________________
My FRC History:

2014 - Team 1671: Central Valley Regional Finalist and Chairman's Award Winner, Sacramento Regional Finalist, Archimedes Quarterfinalist
2015 - Team 1671: Central Valley Regional Semifinalist, Sacramento Regional Semifinalist and Chairman's Award Winner, Newton Winner, Einstein Winner
2016 - Team 5817: Central Valley Regional Finalist and Rookie All-Star, Orange County Regional Quarterfinalist and Rookie All-Star, Newton Division
2017 - Team 5817: Return of the bench grinder