Hi, TJF! Thanks for your reply, I wasn't aware of such a lib. Will definitely look into it. As for my issue, after a whole day trying, I found out that there were major differences between 3.8 and 4.0+ kernel versions regarding how it deals with device tree overlays and addressing of GPIO. I was mixing dts files for the newer kernel and the older kernel. I manage to get it fully working by making a clean install of machinekit, as described in https://machinekoder.com/machinekit-debian-stretch-beaglebone-black/ . Thanks for your input!
Best Regards. Paulo Sherring. Em quarta-feira, 26 de setembro de 2018 11:42:16 UTC-3, TJF escreveu: > > Hi Paolo! > > You could use libpruio <https://github.com/dtjf/libpruio> for pinmuxing. > It also provides QEP features (A freq only, AB speed and position, as well > as ABI impulse synced speed and position). Find installation instructions > in the on-line documentation > <http://users.freebasic-portal.de/tjf/Projekte/libpruio/doc/html/ChaPreparation.html> > . > > Best regards. > > Am Dienstag, 25. September 2018 23:25:32 UTC+2 schrieb Paulo Sherring: > >> Hi, everybody! >> I am having trouble trying to use machinekit, config-pin and a non >> default pinmux state. >> What I want to do is to configure P9_27 and P9_92 to be used by the >> quadrature encoder peripheral and leave P9_25 alone. >> If I use config-pin to configure it to qep, it disables by default pull >> up, which I need, since I didn't include it in my custom PCB. >> If I use a custom device tree to setup QEP, all pins are claimed and I >> cant use P9_25 throgh machinekit, as IO. >> I guess I could use a memdev like program to enable it by hand. I did it >> in the past, but, I feel that it is the cheaters way to do it. >> I never really understood device tree, it was always trial and error or >> raw memory RW with me :/ >> >> In help is very welcome. >> Thanks in advance. >> Paulo Sherring. >> > -- 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 beagleboard+unsubscr...@googlegroups.com. To view this discussion on the web visit https://groups.google.com/d/msgid/beagleboard/df16b13b-5b64-4a29-a832-3683a70db9d0%40googlegroups.com. For more options, visit https://groups.google.com/d/optout.
