You might look at the Replicape and a BeagleBone Black. There are several other capes including one with a standard DB-25 parallel port that run LinuxCNC on the Beagle. Search for MachineKit.
John > -----Original Message----- > From: Nicklas Karlsson [mailto:nicklas.karlsso...@gmail.com] > Sent: March-18-16 12:27 PM > To: Enhanced Machine Controller (EMC) > Subject: Re: [Emc-users] Stepper, ideal pulses without feedback > > > Nice box and standard port is always good, I should think about it. Steppers > are for an xyz engraver so it is essentially a mini CNC machine without tool > changer. > > > > On Fri, 18 Mar 2016 12:00:55 -0700 > "John Dammeyer" <jo...@autoartisans.com> wrote: > > > You are welcome to look at my Electronic Lead Screw Code. Follow the > link > > to the code. It's written for a PIC in C. > > John > > > > > > "ELS! Nothing else works as well for your Lathe" > > Automation Artisans Inc. > > http://www.autoartisans.com/ELS/ > > Ph. 1 250 544 4950 > > > > > > > > > > > -----Original Message----- > > > From: Nicklas Karlsson [mailto:nicklas.karlsso...@gmail.com] > > > Sent: March-18-16 11:46 AM > > > To: emc-users@lists.sourceforge.net > > > Subject: [Emc-users] Stepper, ideal pulses without feedback > > > > > > > > > I am planning to use a micro controller for stepper step pulse generation. > > I > > > have considered to use an inverter card but special purpose stepper > > circuits > > > are cheap so I use one of these instead. It should be possible to feed > > timer > > > values then toggle should happen via DMA timer output compare values. > > > > > > Can anyone suggest how an ideal step generation curve should look? > > > Constant acceleration up to top speed? Constant deceleration from top > > > speed to zero? Or just stop generating pulses? > > > > > > Regards Nicklas Karlsson > > > > > > > > ---------------------------------------------------------------------------- > > -- > > > Transform Data into Opportunity. > > > Accelerate data analysis in your applications with > > > Intel Data Analytics Acceleration Library. > > > Click to learn more. > > > http://pubads.g.doubleclick.net/gampad/clk?id=278785231&iu=/4140 > > > _______________________________________________ > > > Emc-users mailing list > > > Emc-users@lists.sourceforge.net > > > https://lists.sourceforge.net/lists/listinfo/emc-users > > > > > > ---------------------------------------------------------------------------- -- > > Transform Data into Opportunity. > > Accelerate data analysis in your applications with > > Intel Data Analytics Acceleration Library. > > Click to learn more. > > http://pubads.g.doubleclick.net/gampad/clk?id=278785231&iu=/4140 > > _______________________________________________ > > Emc-users mailing list > > Emc-users@lists.sourceforge.net > > https://lists.sourceforge.net/lists/listinfo/emc-users > > ---------------------------------------------------------------------------- -- > Transform Data into Opportunity. > Accelerate data analysis in your applications with > Intel Data Analytics Acceleration Library. > Click to learn more. > http://pubads.g.doubleclick.net/gampad/clk?id=278785231&iu=/4140 > _______________________________________________ > Emc-users mailing list > Emc-users@lists.sourceforge.net > https://lists.sourceforge.net/lists/listinfo/emc-users ------------------------------------------------------------------------------ Transform Data into Opportunity. Accelerate data analysis in your applications with Intel Data Analytics Acceleration Library. Click to learn more. http://pubads.g.doubleclick.net/gampad/clk?id=278785231&iu=/4140 _______________________________________________ Emc-users mailing list Emc-users@lists.sourceforge.net https://lists.sourceforge.net/lists/listinfo/emc-users
