On Wednesday 04 April 2018 16:17:08 Peter C. Wallace wrote: > On Wed, 4 Apr 2018, Gene Heskett wrote: > > Date: Wed, 4 Apr 2018 07:40:53 -0400 > > From: Gene Heskett <ghesk...@shentel.net> > > Reply-To: "Enhanced Machine Controller (EMC)" > > <emc-users@lists.sourceforge.net> > > To: emc-users@lists.sourceforge.net > > Subject: Re: [Emc-users] For the attention of Anyone using a 7i90 > > through SPI > > > > On Wednesday 04 April 2018 05:20:17 andy pugh wrote: > >> A bug in the smart-serial driver was, until recently, masking a bug > >> in the 7i90 SPI firmware. > >> > >> Mesa have fixed the bug and re-issued the bitfiles. > >> > >> The problem probably only affects systems using a 7i90 controlled > >> through an SPI link and _also_ using smart-serial peripherals > >> connected to the 7i90. > >> > >> More details on the bug tracker here: > >> https://github.com/LinuxCNC/linuxcnc/issues/412#issuecomment-377253 > >>608 > > > > I've not downloaded the new bit files yet. But it needs the 7i90 > > reset to an epp interface I'd assume in order for mesaflash to be > > able to reprogram the card, correct? > > Its depends, some hosts can update firmware via SPI (requires > /dev/spidev) but I think RSPI is an exception but am not sure > > > That imply's a complete mechanical disassembly because the 7i90 is > > at the bottom of a stack of cards, and will need connected to a > > machine with a parport. > > > > With the pi turned upside down, which allows an spi cable only about > > an inch long. And I am not using any smart serial stuff, my 7i90's > > gpio's are all directly connected to the hardware. So is it even > > recommended that I reflash the 7i90 in my lathes application? IOW, > > if the fixed driver (because apt has updated it,) is used with the > > unfixed firmware, is there a detectable effect/problem? > > > > Because the teardown to do that reflash is a cast iron pita, I'd be > > time and effort ahead to order another 7i90HD, program it, and just > > swap it out, I might be able to do that in one long day. Maybe 2, > > depending on how many times Dee interrupts me as she's home now, but > > still hopping 4" at a time on her good leg and a walker just to get > > to the potty chair. So I'm chief cook and bottle washer in addition > > to potty chair dumper/cleaner. :) > > > > What is needed for this, is a mesaflash for spi. Is that even > > possible to do, Peter? > > If you dont see any issues and dont use sserial devices I woudl not > bother updating the firmware
Thank you Peter and Cheers, Gene Heskett -- 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
