Anyone? On Thursday, 20 April 2017 15:01:07 UTC+1, Hugh Frater wrote: > > Following on from my earlier messages related to this, I am using > cape-universal now to setup and control the pins for my mechatronics > project. Pinmap constraints mean I need to use eQEP1 and eQEP2. eQEP2 on > P8_11, P8_12 and P8_16 is working, but I can't get config-pin to setup > eQEP1 on P8_31, P8_33 and P8_35. > > root@beaglebone:/dev# config-pin -l P8_31 > default gpio gpio_pu gpio_pd uart qep > > You can see qep is a supported mode. > > root@beaglebone:/dev# config-pin P8_31 qep > bash: line 0: echo: write error: No such device > Cannot write pinmux file: /sys/devices/platform/ocp/ocp:P8_31_pinmux/state > > And that is the error I get... > > Does anyone know what is going on here? This 2nd encoder input is the last > bit of the pinmux'ing puzzle I need to sort out, all the other GPIO is > working nicely now. > > Thanks, Hugh > >
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