I am sorry for the multiple messages but I am finding new information every time!
eQEP just worked! The only pins i could enable with config-pin though are P8_11, P8_12, P9_27, P9_92 (42B). P8_33 and P8_35 still have the invalid mode qep. Now my only problem is how to read position from python. Any help would be appreciated On Sunday, November 13, 2016 at 7:29:55 PM UTC+2, Theodosis Ntegiannakis wrote: > > Just updated kernel to 4.4.31-ti-r67. > now i can find position and period in the > /sys/devices/platform/ocp/48304000.epwmss/48304180.eqep/ > > but cat position keeps returning 0. > > when trying to use other pins: > config-pin P8_33 qep and > config-pin P8_35 qep > it returns invalid mode qep > > the same in P8_41 and P8_42 ... > > have anyone tried it? is it working? > I am not sure if it is not working or if i am looking wrong pins or my > encoder doesnt work ok... > My encoder middle pin is hooked to GND and the other two pins in eqepA and > eqepB respectively. > > > > > On Sunday, November 13, 2016 at 6:09:55 PM UTC+2, Theodosis Ntegiannakis > wrote: >> >> Hello all, >> >> I am trying to read a Quadrature Encoder with the Beaglebone Black using >> kenel 4.4.23-ti-r51 and Ubuntu. >> >> I have enabled cape-universala >> and also enabled pins P8_11 and P8_12 using: >> config-pin P8_11 qep >> config-pin P8_12 qep >> >> But i cannot find "position" or "period" in the >> /sys/devices/platform/ocp/48304000.epwmss/48304180.eqep/ >> Is there something wrong i have done? >> How can i read the position using python? >> >> -- For more options, visit http://beagleboard.org/discuss --- You received this message because you are subscribed to the Google Groups "BeagleBoard" group. To unsubscribe from this group and stop receiving emails from it, send an email to [email protected]. To view this discussion on the web visit https://groups.google.com/d/msgid/beagleboard/a066b528-c415-4e40-925f-06c8809c3241%40googlegroups.com. For more options, visit https://groups.google.com/d/optout.
