On Wed, Jun 10, 2015 at 7:03 AM, <[email protected]> wrote:
> HI Forum,
>
> I am attempting to create a device over lay for BBB "Linux beaglebone
> 3.8.13-bone70" that will disable the linux heartbeat LED.
>
> I am interested to do this primary as a learning process for device tree,
> but I plan to use the BBB in a room where I don't want a LED to flash.
>
> I followed the guide at http://elinux.org/BeagleBone_and_the_3.8_Kernel.
>
> dtc -O dtb -o BBB-LEDS.dtbo -b 0 -@ BBB-LEDS-00A0.dts
>
> sudo cp BBB-LEDS.dtbo /lib/firmware/
>
> sudo sh -c "echo BBB-LEDS > /sys/devices/bone_capemgr.9/slots"
>
>
> However the LED continues to flash.
>
> Could someone point me how to get the overlay to work?
Just shut them down via a script from userspace:
BASE=/sys/class/leds/beaglebone\:green\:usr
echo none > ${BASE}0/trigger
echo none > ${BASE}1/trigger
echo none > ${BASE}2/trigger
echo none > ${BASE}3/trigger
echo 0 > ${BASE}0/brightness
echo 0 > ${BASE}1/brightness
echo 0 > ${BASE}2/brightness
echo 0 > ${BASE}3/brightness
Regards,
--
Robert Nelson
https://rcn-ee.com/
--
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