[meta-xilinx] no led on zedboard

[Peter Crosthwaite]

On Sat, Nov 28, 2015 at 11:08 AM, Edward Vidal <vidal.develone at gmail.com> wrote:
> Hello all,
>
> Trying to turn on  the leds on my zedboard.
> I created a module see the
> filehttps://github.com/develone/zedboard_yocto/blob/master/leds/myled_modules_notes.txt.
>
> I used analog device reference design and meta-topic.
>
> I can see load the module and I see items referencing the led in both /proc
> & /sys
> see the
> myled_modules_notes.txt.
>
> Any and all help is appreciated.
>

Hi Edward,

The doc you link looks to only cover the software side of it. The
other source of error is the hardware of which a number of issues
could cause your design to not work. Have you attached to the ARM
processor over XSDB or XMD to turn the LED on and off using register
accesses (mwr and mrd in XMD)? This can definitively validate that the
hardware works and the issue is indeed in the software stack.

Regards,
Peter

> Cheers,
>
>
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