I can't unexport them.
root@bone-5eca:/sys/class/gpio# echo 116 > unexport bash: echo: write error: Invalid argument --Mark A. Yoder, PhD Electrical and Computer Engineering Rose-Hulman Institute of Technology 812-233-3219 ________________________________ From: Robert Nelson <[email protected]> Sent: Wednesday, November 29, 2017 9:22:10 PM To: Beagle Board; Mark Yoder Subject: Re: [beagleboard] Is cape manager obsolete? What about device tree overlays? On Wed, Nov 29, 2017 at 8:08 PM, Mark A. Yoder <[email protected]> wrote: > I see that if I edit /boot/uEnv.txt and comment out: > #enable_uboot_cape_universal=1 > I can then access all sorts of gpio pins. But now I can't run config-pin on > them since there is no pinmux entry in /sys/devices/platform/ocp. > > Is there a way to free up a few gpio pins to drive the LCD and keep the rest > pinmux-able? I'm not sure why it's broken now, but you should be able to un-export all those pins to drive the LCD, Jason's done it before.. 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/e295330e80064ae38486d17d6d7699d2%40rose-hulman.edu. For more options, visit https://groups.google.com/d/optout.
