Also interested in the UDOO setup instructions so thank you. A bit OT but, Dan, love your work (that "onward to mars patch" is awesome) thanks for the links. I think people should post more of this sort of thing to the list, celebrate what we make. =)
On Thu, Mar 13, 2014 at 11:09 AM, Dan Wilcox <danomat...@gmail.com> wrote: > FWIW: here's a picture of my UDOO setup inside my Mars space suit > backpack: http://www.flickr.com/photos/danomatika/13115604285/ > > Media of the backpack in use > https://twitter.com/danomatika/status/433273394122207232/photo/1 & > https://vimeo.com/86670103 (not my video, I'll put out a different edit > soon) > > On Mar 12, 2014, at 10:28 AM, Dan Wilcox <danomat...@gmail.com> wrote: > > I will do that later tonight when I boot the udoo and pull my run scripts > off of it. I'll post everything to GitHub so we can share resources. > > On Mar 12, 2014, at 5:44 AM, Jamie Bullock <ja...@jamiebullock.com> wrote: > > > Hi Dan, > > Thanks for sharing these notes. They arrived in my inbox to coincide > nicely with the delivery of my quad Udoo this morning! It would be great to > see a full writeup of your Udoo setup at some point as I think many people > will want to be doing a similar thing. > > All best, > > Jamie > > > On 11 Mar 2014, at 14:14, Dan Wilcox <danomat...@gmail.com> wrote: > > Heres a trim of my notes: > > Enable realtime audio priority (if you haven't done it already): > > sudo su -c 'echo @audio - rtprio 99 >> /etc/security/limits.conf' > sudo su -c 'echo @audio - memlock 250000 >> /etc/security/limits.conf' > sudo su -c 'echo @audio - nice -10 >> /etc/security/limits.conf' > > I disable pulseaudio. Make sure pulseaudio does not respawn itself (from > http://voices.canonical.com/david.henningsson/2012/07/13/top-five-wrong-ways-to-fix-your-audio > ): > > echo autospawn=no > ~/.pulse/client.conf > > Also add the following to ~/.bash_login to kill pulse audio if it's > running on login: > > # kill pulse audio if it was spawned > pulseaudio -k > > I'm not looking at the udoo run script, but I'm pretty sure I'm using the > following with the US-25EX USB soudcard: > > pd -rt -nogui -alsa -audiodev 5 > > Use pd -listdev to get the device list from alsa. I chose 5 as the first 4 > (from memory) are 1-2 (built in hardware & plugin) & 2-3 (HDMI audio > hardware & plugin). 5 is the USB hardware alsa dev. > > On Mar 11, 2014, at 4:05 AM, Simon Iten <itensi...@gmail.com> wrote: > > without jack i should add... > On 11 Mar 2014, at 08:55, Simon Iten <itensi...@gmail.com> wrote: > > hey dan, > > unfortunately i'm in switzerland :-) > > would be great if you could post your setup somewhere or send the infos! i > compiled pd from source as well. i start it from console (with -rt) and it > works without problems with the builtin sound card. maybe the cheap card > from dx.com just does not work properly with udoo. > but please post your setup. > > thanks > > On 09 Mar 2014, at 22:26, Dan Wilcox <danomat...@gmail.com> wrote: > > I've tried my both Roland Edirol UA-25 & UA-25EX and both work great. The > dedicated USB controller makes these guys work as compared to an RPI where > I can't get full duplex without tons of dropouts. I'm using a Linaro > install which boots to the console and runs the PD through scripting. The > speed is great as compared to my old wearable computer. 4 cores makes a > difference. > > I had to recompile my kernel to add midi support, but that's working > great. It's not too bad, actually. I also built Pd-vanilal from source > which was pretty easy using ./configure + make. I also have a script which > fetches externals and builds/installs the agains vanilla so I have the few > externals I need. > > As with my previous experience running Pd + embedded Ubuntu, I get great > performance with RT permissions, the -rt startup flag, and ALSA. Jack is > needless overheard unless you want to work with other Jack-enabeld apps. > Same with X windows, although my setup was running great in X with pd + > ALSA in testing. > > From your description, it sounds like your main issue is jack & pd are > probably not running in realtime. > > I can sent you my install notes if you want (or put them online, as I've > been meaning to). Also, are based in the NE within driving distance to > Pittsburgh? We could do a patching circle/UDOO setup afternoon :D > > On Mar 9, 2014, at 5:14 PM, pd-list-requ...@iem.at wrote: > > *From: *Miller Puckette <m...@ucsd.edu> > *Subject: **Re: [PD] udoo board sound issues* > *Date: *March 9, 2014 at 5:07:54 PM EDT > *To: *Simon Iten <itensi...@gmail.com> > *Cc: *PD list <pd-list@iem.at> > > > H iSimon - > > I haven't tried any but the built-in yet but I have a few USB interfaces > around here that I can try. I'm about to go on an intense trip but should > be able to do some tests when I get back, assuming nobody else has figured > this out first. > > cheers > Miller > > On Sun, Mar 09, 2014 at 09:57:45PM +0100, Simon Iten wrote: > > hey list, > > does anybody that uses an udoo board have any recommendations on a > usb-soundcard? should be very compact. > i tried a cheap one from dx and i could not get any good results (loads of > xruns even with periods 3 and 1024 and up frames in qjackctl) this is on > the ubuntu version from udoo. > are there some tweaks i can do to improve usb-sound capabilities? i > thought maybe recompile the kernel with only usb-1 support since there is > no option as on the pi to disable usb-2 via config, or am i missing > something? > is it better to use the usb-soundcard without jack (pd does not like the > usb-soundcard either when i tried briefly)? > > the internal sound-input is to noisy for my application (guitar effect) > > cheers. > _______________________________________________ > Pd-list@iem.at mailing list > UNSUBSCRIBE and account-management -> > http://lists.puredata.info/listinfo/pd-list > > > -------- > Dan Wilcox > @danomatika > danomatika.com > robotcowboy.com > > > > > > > > > -------- > Dan Wilcox > @danomatika > danomatika.com > robotcowboy.com > > > > > > _______________________________________________ > Pd-list@iem.at mailing list > UNSUBSCRIBE and account-management -> > http://lists.puredata.info/listinfo/pd-list > > > > -------- > Dan Wilcox > @danomatika > danomatika.com > robotcowboy.com > > > > > > > -------- > Dan Wilcox > @danomatika > danomatika.com > robotcowboy.com > > > > > > > _______________________________________________ > Pd-list@iem.at mailing list > UNSUBSCRIBE and account-management -> > http://lists.puredata.info/listinfo/pd-list > > -- Richie www.glitchpop.com
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