On 2014-07-25 20:07, Peter C. Wallace wrote: > On Fri, 25 Jul 2014, Marius Liebenberg wrote: > >> Date: Fri, 25 Jul 2014 20:02:53 +0200 >> From: Marius Liebenberg <mar...@mastercut.co.za> >> Reply-To: "Enhanced Machine Controller (EMC)" >> <emc-users@lists.sourceforge.net> >> To: emc-users@lists.sourceforge.net >> Subject: Re: [Emc-users] Stepper driven A axis with servos >> >> Peter >> Please give some more info on this please. >> >> I tried the setup today on the machine. I loaded a stepgen but had to >> load it into the servo thread. I thought that was way to slow at 1us. >> Then tried to load another thread but got and error that said it was not >> permitted. >> Apart form having power supply problems I could see pulses coming from >> the parport on halscope. It al seemed very sluggish though. >> >> Any suggestions on getting stepgen to run in a faster thread? > If you are using a parallel port for software generated steps you will need a > fast base thread (just look at a standard parallel port config for thread > setup etc)
I just noticed that when using mesa drivers the ECMOT is loaded without the base thread specified but with the parport setup, the base thread is specified. Does that mean that no base thread is loaded if it is not specified? > Another option is to use 5I25 hardware stepgens on P2 so you only need one 1 > KHz thread > > > >> >> On 2014-07-24 21:23, Peter C. Wallace wrote: >>> On Thu, 24 Jul 2014, andy pugh wrote: >>> >>>> Date: Thu, 24 Jul 2014 20:17:04 +0100 >>>> From: andy pugh <bodge...@gmail.com> >>>> Reply-To: "Enhanced Machine Controller (EMC)" >>>> <emc-users@lists.sourceforge.net> >>>> To: "Enhanced Machine Controller (EMC)" <emc-users@lists.sourceforge.net> >>>> Subject: Re: [Emc-users] Stepper driven A axis with servos >>>> >>>> On 24 July 2014 20:12, Marius Liebenberg <mar...@mastercut.co.za> wrote: >>>> >>>>> I am going to put the stepper on the parport with a cheap bob. The rest >>>>> is 5i23 with 7i77. >>>> Do you mean 5i25? >>>> >>>> Rather than use a real parport, put a parport breakout on the 5i25 >>>> internal header and run the BoB using a 7i77 / 7i76 firmware and you >>>> get Mesa stepgens. >>>> >>>> >>>> -- >>>> atp >>>> If you can't fix it, you don't own it. >>>> http://www.ifixit.com/Manifesto >>> Theres also BOB compatible firmware fo a couple of BOB flavors >>> >>> >>> (and you can run a 7I76/77 from a 5I23/5I20 but it needs a cable adapter) >>> >>>> ------------------------------------------------------------------------------ >>>> Want fast and easy access to all the code in your enterprise? Index and >>>> search up to 200,000 lines of code with a free copy of Black Duck >>>> Code Sight - the same software that powers the world's largest code >>>> search on Ohloh, the Black Duck Open Hub! Try it now. >>>> http://p.sf.net/sfu/bds >>>> _______________________________________________ >>>> Emc-users mailing list >>>> Emc-users@lists.sourceforge.net >>>> https://lists.sourceforge.net/lists/listinfo/emc-users >>>> >>> Peter Wallace >>> Mesa Electronics >>> >>> (\__/) >>> (='.'=) This is Bunny. Copy and paste bunny into your >>> (")_(") signature to help him gain world domination. >>> >>> >>> ------------------------------------------------------------------------------ >>> Want fast and easy access to all the code in your enterprise? Index and >>> search up to 200,000 lines of code with a free copy of Black Duck >>> Code Sight - the same software that powers the world's largest code >>> search on Ohloh, the Black Duck Open Hub! Try it now. >>> http://p.sf.net/sfu/bds >>> _______________________________________________ >>> Emc-users mailing list >>> Emc-users@lists.sourceforge.net >>> https://lists.sourceforge.net/lists/listinfo/emc-users >>> >> -- >> >> Regards /Groete >> >> Marius D. Liebenberg >> +27 82 698 3251 >> +27 12 743 6064 >> QQ 1767394877 >> >> >> ------------------------------------------------------------------------------ >> Want fast and easy access to all the code in your enterprise? Index and >> search up to 200,000 lines of code with a free copy of Black Duck >> Code Sight - the same software that powers the world's largest code >> search on Ohloh, the Black Duck Open Hub! Try it now. >> http://p.sf.net/sfu/bds >> _______________________________________________ >> Emc-users mailing list >> Emc-users@lists.sourceforge.net >> https://lists.sourceforge.net/lists/listinfo/emc-users >> > Peter Wallace > Mesa Electronics > > (\__/) > (='.'=) This is Bunny. Copy and paste bunny into your > (")_(") signature to help him gain world domination. > > > ------------------------------------------------------------------------------ > Want fast and easy access to all the code in your enterprise? Index and > search up to 200,000 lines of code with a free copy of Black Duck > Code Sight - the same software that powers the world's largest code > search on Ohloh, the Black Duck Open Hub! Try it now. > http://p.sf.net/sfu/bds > _______________________________________________ > Emc-users mailing list > Emc-users@lists.sourceforge.net > https://lists.sourceforge.net/lists/listinfo/emc-users > -- Regards /Groete Marius D. Liebenberg +27 82 698 3251 +27 12 743 6064 QQ 1767394877 ------------------------------------------------------------------------------ Want fast and easy access to all the code in your enterprise? Index and search up to 200,000 lines of code with a free copy of Black Duck Code Sight - the same software that powers the world's largest code search on Ohloh, the Black Duck Open Hub! Try it now. http://p.sf.net/sfu/bds _______________________________________________ Emc-users mailing list Emc-users@lists.sourceforge.net https://lists.sourceforge.net/lists/listinfo/emc-users
