> > *configure a few GPIOs for my application. Is this something that can be > accomplished entirely via DTB?* > > * # cd /sys/class/gpio* > > * # echo 50 > export* > * # echo 115 > export* > * # echo out > gpio50/direction* > * # echo out > gpio115/direction* > > * # echo 1 > gpio50/value* > * # echo 1 > gpio115/value* > > * # echo 0 > gpio50/value* > * # echo 0 > gpio115/value* > > * That is, setting which GPIOs are enabled, setting their direction, and > setting their output state?* > > * Thanks,* >
Yes, it can be done. I thought you had all this down before ? You can configure what mode the pin is actually used for - The several different peripheral types per pin, or GPIO + pull up/down or neither, and pin direction. On Sun, Apr 3, 2016 at 4:52 PM, John Syne <[email protected]> wrote: > Why not do it in your applications? > > http://derekmolloy.ie/kernel-gpio-programming-buttons-and-leds/ > > Regards, > John > > > > > > On Apr 3, 2016, at 4:14 PM, Rick Mann <[email protected]> wrote: > > > > I configure a few GPIOs for my application. Is this something that can > be accomplished entirely via DTB? > > > > # cd /sys/class/gpio > > > > # echo 50 > export > > # echo 115 > export > > # echo out > gpio50/direction > > # echo out > gpio115/direction > > > > # echo 1 > gpio50/value > > # echo 1 > gpio115/value > > > > # echo 0 > gpio50/value > > # echo 0 > gpio115/value > > > > That is, setting which GPIOs are enabled, setting their direction, and > setting their output state? > > > > Thanks, > > > > -- > > Rick Mann > > [email protected] > > > > > > -- > > 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]. > > For more options, visit https://groups.google.com/d/optout. > > -- > 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]. > For more options, visit https://groups.google.com/d/optout. > -- 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]. For more options, visit https://groups.google.com/d/optout.
