Date: Sat, 25 Oct 2014 17:05:08 -0700 From: Rui Paulo <rpaulo@me.com> To: ticso@cicely.de Cc: freebsd-arm@freebsd.org Subject: Re: PRU on BBB Message-ID: <78C2D5E5-DEFB-46BA-8874-B137D6E1E00C@me.com> In-Reply-To: <20141025224829.GC34989@cicely7.cicely.de> References: <544BA593.4020706@freenet.de> <5E3FBBA8-2CBB-4BCE-BE2C-FB044CF0BEF6@me.com> <20141025224829.GC34989@cicely7.cicely.de>
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On Oct 25, 2014, at 15:48, Bernd Walter <ticso@cicely7.cicely.de> wrote: >=20 > On Sat, Oct 25, 2014 at 09:32:09AM -0700, Rui Paulo wrote: >> On Oct 25, 2014, at 06:28, Manuel St=FChn <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? >>=20 >> There's a work in progress PRU library: >>=20 >> https://bitbucket.org/rpaulo/libpru >>=20 >> And a program to upload binaries to the PRU: >>=20 >> https://bitbucket.org/rpaulo/pructl >>=20 >> These don't have documentation yet and you have to build them = yourself, but that should be straightforward. >>=20 >> You can use the assembler from ports: devel/pasm. >=20 > We have PRU supprt? > That's awesome. > Had been interested in PRU, but not even dreamed about existing = support. The library and the userland utility are both under active development. = I expect to have something stable before the year ends. Right now, I = can upload/reset/enable/disable the PRUs just fine. A PRU debugger is also in the works. Regards, -- Rui Paulo
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