Getting started with PRU (Trying to find examples)

Anton Nikiforov

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Sep 17, 2018, 10:18:55 AM9/17/18

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There are a lot of examples for PRU in the web, but most of them don't work correctly with latest images .

Most occuring problem - setting up tree overlay for pru.

Are there any examples or tutorials , which would work with 4.14 kernel , Debian 9.5 2018-08-30?

Robert Nelson

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Sep 17, 2018, 10:31:33 AM9/17/18

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Thread is here:

https://groups.google.com/forum/#!category-topic/beagleboard/i9O-Pq_UlS8

Regards,

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

pierric...@gadz.org

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Sep 17, 2018, 10:31:47 AM9/17/18

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Hi,
I had the same problem last year so I created this small documentation: https://github.com/PierrickRauby/PRU-RPMsg-Setup-BeagleBoneBlack
It should work, if not, do not hesitate to tell me!

Pierrick

Robert Nelson

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Sep 17, 2018, 10:38:13 AM9/17/18

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Sadly, ti changed the remoteproc driver in v4.14.x so a few ^ things
need to be changed..

pierric...@gadz.org

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Sep 17, 2018, 10:51:55 AM9/17/18

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Dear Robert Nelson,

Thanks for the info, I'll work on this to maintain the doc so its up to date.
Thanks

Robert Nelson

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Sep 17, 2018, 11:08:15 AM9/17/18

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On Mon, Sep 17, 2018 at 9:52 AM <pierric...@gadz.org> wrote:
>
> Dear Robert Nelson,
>
> Thanks for the info, I'll work on this to maintain the doc so its up to date.
> Thanks

Best thing, just make a note, "currently, this is for v4.9.x-ti
remoteproc_pruss"...

ps, TI's broken compatibly on every version so far. ;)
v3.14.x/v4.1.x/v4.4.x/v4.9.x/v4.14.x...

pierric...@gadz.org

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Sep 17, 2018, 3:25:50 PM9/17/18

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Ok, will do!

That was also my felling... do you know why they keep breaking it ? That's quite annoying ....

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