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Date:      Sat, 25 Oct 2014 09:32:09 -0700
From:      Rui Paulo <rpaulo@me.com>
To:        =?utf-8?Q?Manuel_St=C3=BChn?= <freebsdnewbie@freenet.de>
Cc:        freebsd-arm@freebsd.org
Subject:   Re: PRU on BBB
Message-ID:  <5E3FBBA8-2CBB-4BCE-BE2C-FB044CF0BEF6@me.com>
In-Reply-To: <544BA593.4020706@freenet.de>
References:  <544BA593.4020706@freenet.de>

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On Oct 25, 2014, at 06:28, Manuel St=C3=BChn <freebsdnewbie@freenet.de> =
wrote:
>=20
> Hello list,
>=20
> I'm a great fan of FreeBSD and was very glad to see, that FreeBSD =
supports the beaglebone black. Even the PRUs, which I want to put into =
operation, are supported by FreeBSD. But unfortunately i do not have a =
clue, how the driver is intended to be used. For linux there is some =
API/docu to load/start/stop and communicate with the PRU.
>=20
> Did anyone put the PRUs already into operation with FreeBSD and could =
give me a hint how this is done?

There's a work in progress PRU library:

https://bitbucket.org/rpaulo/libpru

And a program to upload binaries to the PRU:

https://bitbucket.org/rpaulo/pructl

These don't have documentation yet and you have to build them yourself, =
but that should be straightforward.

You can use the assembler from ports: devel/pasm.

--
Rui Paulo






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