On Tue, Oct 24, 2017 at 12:04 PM, <[email protected]> wrote: > Hi, > > I'm a newbie trying to program the Beaglebone Black PRU for a school project > and I'm having some trouble with pinmuxing on the board. > > I'd like to connect some of the board's pins to the PRU, but some of them > don't work. For example, running the following command : > > config-pin -a P8_45 pruin > > Yields the following error : > > P8_45 pinmux file not found! > bash: /sys/devices/platform/ocp/ocp*P8_45_pinmux/state: No such file or > directory > Cannot write pinmux file: > /sys/devices/platform/ocp/ocp*P8_45_pinmux/state
P8_45 is used by hdmi: in /boot/uEnv.txt you need to set: disable_uboot_overlay_video=1 and reboot Full Docs are here: https://elinux.org/Beagleboard:BeagleBoneBlack_Debian#U-Boot_Overlays Regards, -- Robert Nelson https://rcn-ee.com/ -- 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/CAOCHtYiF2KLcjjym1FQqkCeqzaq6yi0Q0ygMv3r9geXfRvdxUA%40mail.gmail.com. For more options, visit https://groups.google.com/d/optout.
