Robert, thank you very much. Works like charm now.
To get it work with the device tree builder I added the following at the
bottome of "am335x-boneblack-overlay.dts"
&tscadc {
status = "okay";
adc {
ti,adc-channels = <0 1 2 3 4 5 6>;
};
};
Now I can get the adc values as you described:
cat /sys/bus/iio/devices/iio\:device0/in_voltage0_raw
On Monday, April 4, 2016 at 3:38:11 PM UTC+2, RobertCNelson wrote:
>
> On Mon, Apr 4, 2016 at 7:23 AM, lucas <[email protected] <javascript:>>
> wrote:
> > I am trying to enable the ADC of the BBB in the device tree. I had to
> > disable to capemanager because of reasons apparent from this thread:
> >
> https://groups.google.com/forum/#!category-topic/beagleboard/pru/IKVmIjvXnIs
> >
> > I have a bit of trouble to wrap my head around how the device tree
> works. My
> > idea was to extend am335x-boneblack-overlay.dts inside the devicetree
> > directory and rebuild and install it. I wanted to base this on the
> following
> > cape:
> >
> https://github.com/beagleboard/devicetree-source/blob/master/arch/arm/boot/dts/cape-bone-iio-00A0.dts
>
> >
> > So, I took a wild guess and added
>
> sudo sh -c "echo 'BB-ADC' > /sys/devices/platform/bone_capemgr/slots"
>
> Read the adc values under:
>
> /sys/bus/iio/devices/
>
> Regards,
>
> --
> Robert Nelson
> https://rcn-ee.com/
>
--
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