I should also add, that I have only tested this "fix" on a beaglebone green. I seem to recall that this problem does not exist when using a beaglebone black.
On Mon, Jan 9, 2017 at 3:05 PM, William Hermans <[email protected]> wrote: > So this is probably more of an oversight than a bug. But when loading > *some* overlays via config-pin overlay <overlay>, *AFTER* already having > loaded an overlay through /boot/uEnv.txt. At least one pin will still > continue function correctly( electrically ) but the file that indicates the > actual value of the pin will not update correctly. As an GPI( input ). > Which has nothing to do with a conflict in overlays, as I have a custom > overlay that initializes several GPIO pins, as well as a few PWM pins. Plus > I am loading BB-ADC-00A0.dtbo, and BB-W1-P8.26-00A0.dtbo, Where > BB-W1-P8.26-00A0.dtbo is an adaption of the stock overlay > BB-W1-P9.12-00A0.dtbo. > > None of the above overlays describe, or use any of the same pins. So there > can not be a conflict between overlays in that regard. > > The fix I found for this problem, was to load all the overlays through > /boot/uEnv.txt. Through cape_enable=bone_capemgr.enable_partno= > > The pin in question that we're having issues with is P8.16. Which if > memory serves me correctly is also tied to another processor pad/pin > through a zero ohm resistor. > > Before, all the GPI's would read correctly through the value file using a > shell script. While this one pin would always read 0. Now, the pin value > file works correctly. > > @Robert, > > Has the ability to load multiple overlays through uboot been implemented > yet ? > > -- > 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/0dc4c9de-50d2-4d76-aacd-0bb3943ea467%40googlegroups.com > <https://groups.google.com/d/msgid/beagleboard/0dc4c9de-50d2-4d76-aacd-0bb3943ea467%40googlegroups.com?utm_medium=email&utm_source=footer> > . > 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]. To view this discussion on the web visit https://groups.google.com/d/msgid/beagleboard/CALHSORq6DAji9xg-6JPHezWc2o8My8e2djQ-Js5gjVMHWSNRYA%40mail.gmail.com. For more options, visit https://groups.google.com/d/optout.
