Date: Tue, 24 Nov 2020 18:26:38 -0300 From: "Dr. Rolf Jansen" <freebsd-rj@obsigna.com> To: Oskar Holmlund <oskar.holmlund@yahoo.com> Cc: freebsd-arm@freebsd.org Subject: Re: User Space GPIO Interrupt programming - GSoC-2018 Message-ID: <61B0CE7A-8F57-48BD-98D4-BE6E880E7707@obsigna.com> In-Reply-To: <756100520.1642116.1606251415012@mail.yahoo.com> References: <2B01780F-D367-48A3-A827-B479030A496D@obsigna.com> <756100520.1642116.1606251415012@mail.yahoo.com>
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> Am 24.11.2020 um 17:56 schrieb Oskar Holmlund = <oskar.holmlund@yahoo.com>: >=20 > > Den tisdag 24 november 2020 21:14:58 CET, Dr. Rolf Jansen = <freebsd-rj@obsigna.com> skrev: > >=20 > >=20 > > Hello > >=20 > > Has anything of the GSoC-2018 efforts made it into the current code = base? > > > > = https://wiki.freebsd.org/SummerOfCode2018Projects/UserSpaceGPIOinterrupts > >=20 > > I installed the recent 13.0-CURRENT snapshot (2020-11-19) on a = BeagleBone Black which was one of the implementation targets of said=20 > > project, but when running the test tools, I either see cannot = read/kevent/poll/aio_read - Operation not supported by device or = Inappropriate=20 > > ioctl for device. > > > > Perhaps I need to pull the project=E2=80=99s changes into the kernel = by myself. However, before this I would like to ask whether it is worth = the effort. > >=20 > > Please, can anyone shed some light on this. > > > > Best regards > > > > Rolf > > _______________________________________________ > > freebsd-arm@freebsd.org mailing list > > https://lists.freebsd.org/mailman/listinfo/freebsd-arm > > To unsubscribe, send any mail to = "freebsd-arm-unsubscribe@freebsd.org" >=20 > Hi Rolf, >=20 > I dont have any details about the GSOC. > But the code is not in base. >=20 > I have written a similar driver for my needs. It is much simpler and = provides a notification to userland through kqueue events in the event = of a change and counts the number of changes that have taken place over = time. > I can share the code if you want. Hello Oskar, Yes, please, I would be very interested to get hands on your code. And = some usage instructions would be great as well. I guess, this would give me a jump start with said project. Best regards Rolf=
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