Date: Mon, 05 May 2014 15:50:55 +0200 From: Matthias Meyser <meyser@xenet.de> To: freebsd-arm@freebsd.org Subject: Re: Re: USB audio device on Raspberry Pi - link_elf: symbol isa_dmastatus undefined Message-ID: <5367973F.20300@xenet.de> In-Reply-To: <5363C133.2000304@selasky.org> References: <20140425154430.GA76168@utility-01.thismonkey.com> <535A8AEA.1000100@selasky.org> <20140425204134.GA458@cicely7.cicely.de> <20140430091411.GA45015@utility-01.thismonkey.com> <5360C0A7.9010407@selasky.org> <1398867266.22079.51.camel@revolution.hippie.lan> <CAGW5k5bZ_bTQUXuzNm=tbwx3npz1_HoOR3vM8TBRVFs8zWCq-w@mail.gmail.com> <5362638B.1080104@selasky.org> <5363C133.2000304@selasky.org>
next in thread | previous in thread | raw e-mail | index | archive | help
Am 02.05.2014 18:00, schrieb Hans Petter Selasky: > On 05/01/14 17:08, Hans Petter Selasky wrote: >> On 05/01/14 01:34, Johny Mattsson wrote: >>> On 1 May 2014 00:14, Ian Lepore <ian@freebsd.org> wrote: >>> >>>> I was doing some testing on a wandboard (about twice as fast an an rpi) >>>> with >>>> more than 20k int/sec without having any problems. >>>> >>> >>> On a similar note, I've pushed an i.MX 283 (400MHz) board to above 300k >>> int/sec, on Linux. Admittedly at that point my shell wasn't what you'd >>> call >>> "responsive" however =) The ISR in that scenario was the GPIO handler, so >>> probably a bit more light-weight than an audio ISR. >> >> I'll have a look and see if I can fix it. > Here is a patch (work in progress) which you can try: > http://home.selasky.org:8192/dwc_otg_isoc_support_wip.diff > > Still not working 100% reliable. Trying to figure out the last bits and pieces. For testing it would be very helful if someone could add device sound device snd_uaudio to RPI-B kernel. Having this in BEAGLEBONE would be nice to. Perhaps this schould go in every config that supports usb. > > --HPS > > -- Matthias Meyser | XeNET GmbH Tel.: +49-5323-9489050 | 38678 Clausthal-Zellerfeld, Marktstrasse 40 Fax: +49-5323-94014 | Registergericht: Amtsgericht Braunschweig HRB 110823 Email: Meyser@xenet.de | Geschaeftsfuehrer: Matthias Meyser
Want to link to this message? Use this URL: <https://mail-archive.FreeBSD.org/cgi/mid.cgi?5367973F.20300>