Date: Mon, 9 Sep 2019 17:20:25 +0930 From: "O'Connor, Daniel" <darius@dons.net.au> To: Konstantin Belousov <kostikbel@gmail.com> Cc: Ian Lepore <ian@freebsd.org>, "usb@freebsd.org" <usb@FreeBSD.org>, "freebsd-arm@FreeBSD.org" <freebsd-arm@FreeBSD.org> Subject: Re: Is it a good idea to use a usb-serial adapter for PPS input? Yes, it is. Message-ID: <25BF53F1-23CF-4619-AB13-110566D6DC82@dons.net.au> In-Reply-To: <20190908134205.GO2559@kib.kiev.ua> References: <f1d765814f722fb2c99c9870b3cc2607b4eca2d7.camel@freebsd.org> <B9EFA4D4-C1AD-4181-B421-F6BD53434FA5@dons.net.au> <bfd784f6ac9c939dbe6a243336bc3b6eab02d4f5.camel@freebsd.org> <61B1AAF3-40F6-47BC-8F05-7491C13BF288@dons.net.au> <9E142F1A-5E8C-4410-91F5-7C80B3D0A15B@dons.net.au> <9D2ACA87-C2DB-40D9-9638-B0E215A4EEC0@dons.net.au> <0A7796DA-508B-4FE6-B5C0-391EC5F46C86@dons.net.au> <20190908134205.GO2559@kib.kiev.ua>
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> On 8 Sep 2019, at 23:12, Konstantin Belousov <kostikbel@gmail.com> = wrote: >> I suppose it would be good to change it to the same structure as the = feed forward clock stuff, that way it is much easier to change the = number of hands at compile time.. >>=20 >=20 > The reason to not increase it by default is the same as the reason why = it > was reduced. But since I did still not provided the analysis why = increasing > timehands count helps for Ian' and your case, I think that making it = easy > to increase the timehands number is due. I am a bit worried (based on your commit log for r303383) that the code = now relies on it being 2 for correct function, although given I = increased it to 10 and this system works fine perhaps not :) > Please see D21563 'Make timehands count selectable at boottime.' Looks good to me, I've installed it on the Beaglebone and it seems to be = running OK so far. -- Daniel O'Connor "The nice thing about standards is that there are so many of them to choose from." -- Andrew Tanenbaum
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