@Chuck, Not for controlling anything because of truly evil latencies, but without any motors attached you may want to check if the SPI errors also show when running the official Raspbian OS. This could be an indication of some firmware issue - or some timing parameters - or ... just á hunch - Rod knows more than I do.
Best, Steffen > Gesendet: Donnerstag, 04. Januar 2024 um 08:46 Uhr > Von: "Rod Webster" <r...@vehiclemods.net.au> > An: "EMC developers" <emc-developers@lists.sourceforge.net> > Betreff: Re: [Emc-developers] RPImager problem Re: RPi5 + Raspbian + LinuxCNC > latency tests - first impressions > > >If the R-Pi guys are being responsive, I wonder if you find any answer > >about the SPI interface for the Mesa boards? I found that linux-cnc > >reported SPI errors when trying to talk to the 7C81. > > Chuck, I'm sorry but I don't know enough about the topic to frame the > question. Lets see if they can sort out the sound first. > you can find them on Discord #arm-img-builder which is linked to from their > repo I forked https://github.com/pyavitz/rpi-img-builder > > Rod Webster > *1300 896 832* > +61 435 765 611 > Vehicle Modifications Network > www.vehiclemods.net.au > > > On Thu, 4 Jan 2024 at 07:09, Chuck Peplinski <chuck.peplin...@gmail.com> > wrote: > > > If the R-Pi guys are being responsive, I wonder if you find any answer > > about the SPI interface for the Mesa boards? I found that linux-cnc > > reported SPI errors when trying to talk to the 7C81. I'm new to the > > Linux-CNC community, so maybe I'm doing something else wrong. But I got > > the idea on the forums that there was some known issues with SPI on the > > R-Pi5. > > It's been on my list to follow the build instructions and see if I could > > find out more, but that hasn't happened yet. > > > > Thanks, > > > > Chuck > > > > On 1/3/2024 1:39 PM, Rod Webster wrote: > > >> Thank you for that pointer, I checked and found it installed but it > > >> does not find any input or output devices. > > > Upstream have resolved the rpi-imager compatibility issue. > > > Their sound guy is away for a few days but has it on his to do list. > > > The willingness to sort this out has been amazing > > > > > > I have to find time to merge the changes and rebuild it. I Am flat out > > for > > > a while. > > > > > > Rod Webster > > > *1300 896 832* > > > +61 435 765 611 > > > Vehicle Modifications Network > > > www.vehiclemods.net.au > > > > > > > > > On Wed, 3 Jan 2024 at 22:27, Steffen Möller via Emc-developers < > > > emc-developers@lists.sourceforge.net> wrote: > > > > > >>> On Tue, 2 Jan 2024 01:49:34 +0100 > > >>> Steffen Möller via Emc-developers > > >>> <emc-developers@lists.sourceforge.net> wrote: > > >>> > > >>>> The regular raspbian OS comes with sound via HDMI. I am toying around > > >>>> with packages to install to see if I am getting anywhere without much > > >>>> configuration. KDE works after installing task-kde-desktop - no > > >>>> sound, though. > > >>> Install the pavucontrol package. That hass the controls you need to > > >>> move the sound between ports. > > >>> > > >> Thank you for that pointer, I checked and found it installed but it > > >> does not find any input or output devices. > > >> > > >> Best, > > >> Steffen > > >> > > >> > > >> _______________________________________________ > > >> Emc-developers mailing list > > >> Emc-developers@lists.sourceforge.net > > >> https://lists.sourceforge.net/lists/listinfo/emc-developers > > >> > > > _______________________________________________ > > > Emc-developers mailing list > > > Emc-developers@lists.sourceforge.net > > > https://lists.sourceforge.net/lists/listinfo/emc-developers > > > > > > > > _______________________________________________ > > Emc-developers mailing list > > Emc-developers@lists.sourceforge.net > > https://lists.sourceforge.net/lists/listinfo/emc-developers > > > > _______________________________________________ > Emc-developers mailing list > Emc-developers@lists.sourceforge.net > https://lists.sourceforge.net/lists/listinfo/emc-developers > _______________________________________________ Emc-developers mailing list Emc-developers@lists.sourceforge.net https://lists.sourceforge.net/lists/listinfo/emc-developers
