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Unread 26-01-2016, 23:54
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Poseidon5817 Poseidon5817 is offline
"Cool" Squad
AKA: Mitchel Stokes
FRC #5817 (Uni-Rex)
Team Role: Mentor
 
Join Date: Aug 2013
Rookie Year: 2014
Location: Clovis, CA
Posts: 360
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Re: Encoder on SRX Returning wildly differing values

Quote:
Originally Posted by Tparbotmail View Post
Just hooked up our E4P encoders, and we are getting wildly differing values. I confirmed that my java code matched the the rio browser selftest output. All firmware is up to date. I am pretty sure it is not a coding problem.

If you push the joystick forward for 2 seconds 1 encoder will read several thousand revolutions the will read a couple hundred. The wheels are spinning just fine. The robot move in perfectly straight line.

How do you confirm that an encoder is damaged or wired incorrectly?
Do you have the encoder counts per revolution configured correctly? This was an issue for us for a little while.
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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


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