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#316369 - 14/11/2008 14:00 rotary encoder problem
wfaulk
carpal tunnel

Registered: 25/12/2000
Posts: 16706
Loc: Raleigh, NC US
I've recently started having a problem with my rotary encoder thinking it's turning clockwise no matter what direction it's actually being turned in. It never seems to do anything on its own; it just misinterprets counterclockwise motion. Also, it usually only does this the first time I play with it after boot. Once it starts working correctly, it doesn't seem to happen again until a reboot, probably with a significant amount of time powered off. It also seems like lateral pressure on the knob has some effect on the issue, but I can't quite figure out what effect.

Is there likely to be any way to resolve this without replacing the encoder?
_________________________
Bitt Faulk

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#316371 - 14/11/2008 14:14 Re: rotary encoder problem [Re: wfaulk]
mlord
carpal tunnel

Registered: 29/08/2000
Posts: 14493
Loc: Canada
Heh.. heading up this way again any time soon? smile

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#316373 - 14/11/2008 15:27 Re: rotary encoder problem [Re: mlord]
Robotic
pooh-bah

Registered: 06/04/2005
Posts: 2026
Loc: Seattle transplant
Weren't there some changes for encoder interpretation in Mark's kernel?
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10101311 (20GB- backup empeg)
10101466 (2x60GB, Eutronix/GreenLights Blue) (Stolen!)

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#316374 - 14/11/2008 15:32 Re: rotary encoder problem [Re: Robotic]
mlord
carpal tunnel

Registered: 29/08/2000
Posts: 14493
Loc: Canada
Yes, there are some. But I suspect Bitt already has Hijack installed.

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#316375 - 14/11/2008 15:35 Re: rotary encoder problem [Re: mlord]
Robotic
pooh-bah

Registered: 06/04/2005
Posts: 2026
Loc: Seattle transplant
Ah- just checking that my memory still serves. Thanks!
I'm sure that Bitt would allow nothing less than the latest and greatest version of Hijack on his trusty empeg. wink
_________________________
10101311 (20GB- backup empeg)
10101466 (2x60GB, Eutronix/GreenLights Blue) (Stolen!)

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#316376 - 14/11/2008 15:38 Re: rotary encoder problem [Re: wfaulk]
tfabris
carpal tunnel

Registered: 20/12/1999
Posts: 31597
Loc: Seattle, WA
Originally Posted By: wfaulk
It also seems like lateral pressure on the knob has some effect on the issue, but I can't quite figure out what effect.


Your symptoms make it sound like you've got a loose solder joint somewhere in the display board, perhaps near the encoder itself. Perhaps an encoder replacement isn't needed.

It's a complete PITA to try to solder around the encoder, though, due to the lack of clearances involved. But I'd certainly try touching up solder joints in that area.
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Tony Fabris

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