I came across that post and Teknoman's library a few weeks ago. I have been 
able to compile it and get the eQEP to work on 3.8.13-bone28 Ubuntu 12.04 
(shortly before I carelessly shorted my BBB). Yes, the position sysfs entry 
does change when I use it. The only problems I noticed were you have to 
make sure you're hooked up to the correct pins, and the pullup/pulldown 
settings don't seem to do anything in eQEP mode.

On Friday, October 11, 2013 9:42:57 AM UTC-5, Giuseppe Iellamo wrote:
>
> Hi all,
>
> Since I want to use Beaglebone black in order to perform e motor position 
> controller I need to use an Encoder. 
> I'm struggling with the eQep configuration.
>
> Searching other posts I found this:
>
>
> https://groups.google.com/forum/#!searchin/beagleboard/encoder/beagleboard/mE_ha4zOApM/VewMCyQx37kJ
>
> In which Teknoman117 released his own version of a kernel module driver.
>
> I compiled it, and it seems to work except that the posiotion sysfs entry 
> is always 0.
>
> Has anybody ever used it?
> Or Has anybaody used the eQep?
>
> I'm using a 3.8.13bone28 kernel with xenomai extensions...
>

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