On Sun, 26 Jan 2020, Gene Heskett wrote:
Date: Sun, 26 Jan 2020 03:33:29 -0500 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] Real-time OS for machine controllersOn Sunday 26 January 2020 02:57:28 Andy Pugh wrote:On 26 Jan 2020, at 00:56, John Dammeyer <jo...@autoartisans.com> wrote: . LinuxCNC stops being an true open source solution the moment an aftermarket hardware step/servo interface board is required.That rather depends on which board it is. The Mesa FPGA code is open-source, and some people have made their own Mesa style cards that work with the existing drivers. Also, the Mesa smart-serial protocol is open source, which allows the STMBL drive to appear as a smart serial peripheral to a host FPGA card.With all due respect Andy, smart serial is going to have to grow an error correction restart capability. I have had it fail and the only restart is a full, count to ten, powerdown on the whole machine, interface and computer system before it will recover. I've hit this several times. Peter cannot duplicate it but both of my 5i25/7i76D's systems are doing it. Seems to be associated with a 100 millisecond power bump from a substation voltage regulator or something along those lines. Not long enough to reboot any of the computers. I have a shoebox out in the shop building running TLM w/o a ups with a 150 day uptime right now. But it has only a 5i25 & bobs.
With all due repect you seem to be the only one (in about 3500 7I76 systems) that has this sserial issue. I suspect you may have the 5V jumpering wrong or some other generic system issue.
The situation with EtherCAT is more complicated.And I think proprietary?_______________________________________________ Emc-users mailing list Emc-users@lists.sourceforge.net https://lists.sourceforge.net/lists/listinfo/emc-usersCheers, 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) If we desire respect for the law, we must first make the law respectable. - Louis D. Brandeis Genes Web page <http://geneslinuxbox.net:6309/gene> _______________________________________________ Emc-users mailing list Emc-users@lists.sourceforge.net https://lists.sourceforge.net/lists/listinfo/emc-users
Peter Wallace
Mesa Electronics
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