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: > > On Sat, Oct 25, 2014 at 09:32:09AM -0700, Rui Paulo wrote: >> On Oct 25, 2014, at 06:28, Manuel Stühn <freebsdnewbie@freenet.de> wrote: >>> >>> Hello list, >>> >>> 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. >>> >>> 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. > > 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 Paulohome | help
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