On Mon, May 15, 2017 at 8:19 AM, Beagle Boner <[email protected]> wrote:
> Thanks for your response guys,
>
> i figgured out that you have to be root to echo into the slotsfile, sudo
> with debian user is not enough.

That's incorrect, and stated in my previous email

sudo echo "something" > "somewhere"

doesn't work..

You need to:

sudo sh -C "echo 'BB-PWM1-00A0.dtbo' > /sys/devices/platform/bone_capemgr/slots"

Then it works..


> Just in case someone else has the same issue: When you write an overlay for
> your custom cape, you have to include it over /etc/defaut/capemgr, NOT via
> /boot/uEnv !

This just means the *.dtbo file isn't in the "initramfs"..

sudo update-initramfs -uk `uname -r`

and reboot..


>This is for Debian Jessie 8.7 (4.4.54). All the changes with
> different kernels are confusing me so much as a beginner.

Regards,

-- 
Robert Nelson
https://rcn-ee.com/

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