Just FYI - about a year ago or so I purchased from Jeff @xylotex a BBBlack and DB-25 cape - ran my Unimat SL CNC'd lathe just fine (feeding a spare Gecko G540, 2 axes of which were unused)
BBBoard from Xylotex came with LinuxCNC Machinekit on a little SDCard. An out of the box solution. On Fri, Mar 18, 2016 at 3:50 PM, John Dammeyer <[email protected]> wrote: > 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:[email protected]] > > 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" <[email protected]> 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:[email protected]] > > > > Sent: March-18-16 11:46 AM > > > > To: [email protected] > > > > 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 > > > > [email protected] > > > > 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 > > > [email protected] > > > 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 > > [email protected] > > 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 > [email protected] > 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 [email protected] https://lists.sourceforge.net/lists/listinfo/emc-users
