On Monday 23 July 2018 23:58:02 TJoseph Powderly wrote: > raspberry pi 3B+ > > test notes: > i added 3 heat sinks and have a full size floor floor fan focussed on > it at max fan speed
I have the heat sink kit installed, and an old video card fan rigged to blow on the sinks, no thermal probs, but its only 23.3C here, maybe 30 peak in the afternoons, but the garage its in is air conditioned & stays at about 26C. > using logotech sub kbd and mouse ( unused during ssh'd tests ) > with hdmi connected to LG screen > with official power supply ( mini usb connector 3.2amps ) > boots from 10x speed sd card > > i edited the boot files to add > isolcpus=1,2,3 idle=poll LCNC no longer needs that I am told. > i added a null file named 'ssh' to root (this enables ssh, its just a > token file trick ) > > they really need the cooling, its hot and humid here, rainy season , > near 38C daily Ahh, then yes, lots of cooling. > > i have no compatible hdwr > so i ran sim axis > then ran rotdelta sim with vismach > > the response on the machine i ssh'd from was good, i could make a > movie if you like > a bit jerky but mouse and keybpard responsive > theres a but of a heistation when the ssh session is idle for a few > minutes, > the 1st char typed takes maybe 2 secs to echo to the terminal > > extending if to access hdwr: > i read the machinekit hal_gpio last nght, it looks simple and i can > find all the mentioned files > i didnt check the legal entries in each file > i skimmed the linuxcnc hm2_raspi file to see how it generated pins > > it'd be nice to have raspi gpio in linuxcnc > i need SPI also due to the single ethernet port > ( for stmbl or 7i9x or other STM drivers ) so lots to play with > > my goto base i686 system is running g540 and a Sable 2015, > so i have hdwr to use while i investigate ( play ) > its a parport config running 1950mm/min, stabile & repeatable for a > few months now. > > thank you for all your work, and to all the linuxcnc guys, thanks > TomP > > On Tue, Jul 24, 2018 at 12:13 AM, Sebastian Kuzminsky < > > seb.kuzmin...@gmail.com> wrote: > > On Mon, Jul 23, 2018 at 11:07 AM TJoseph Powderly <tjt...@gmail.com> > > > > wrote: > > > wow > > > thanks seb, looking at it now. > > > "Index of /~buildmaster/dists/jessie/scratch-sim/binary-armhf" > > > (I'm glad I didnt mangle the web page :-) ) > > > > What Arm hardware platform are you running LinuxCNC on? I'm just > > curious. > > > > -- > > Sebastian Kuzminsky > > > > ------------------------------------------------------------ > > ------------------ > > Check out the vibrant tech community on one of the world's most > > engaging tech sites, Slashdot.org! http://sdm.link/slashdot > > _______________________________________________ > > Emc-users mailing list > > Emc-users@lists.sourceforge.net > > https://lists.sourceforge.net/lists/listinfo/emc-users -- Cheers, Gene Heskett -- "There are four boxes to be used in defense of liberty: soap, ballot, jury, and ammo. Please use in that order." -Ed Howdershelt (Author) Genes Web page <http://geneslinuxbox.net:6309/gene> ------------------------------------------------------------------------------ Check out the vibrant tech community on one of the world's most engaging tech sites, Slashdot.org! http://sdm.link/slashdot _______________________________________________ Emc-users mailing list Emc-users@lists.sourceforge.net https://lists.sourceforge.net/lists/listinfo/emc-users
