> -----Original Message----- > From: andy pugh [mailto:bodge...@gmail.com] > Sent: March-31-22 4:17 PM > To: Enhanced Machine Controller (EMC) > Subject: Re: [Emc-users] Homebuilt encoder > > On Fri, 1 Apr 2022 at 00:08, John Dammeyer <jo...@autoartisans.com> wrote: > > > Thank you. I'll see if I can't write up a detailed explanation on how it > > works. Perhaps with some flow diagrams etc. > > it basically keeps a running time window of where you would expect to > see the next pulse (based on where the last one was +/- 10%, and if > there isn't one it pretends that there was (to keep the velocity and > counts tidy). Then when there is a pulse it checks if the gap was the > right size, and resets index if it was. >
That's the way I'd do it. I see it also uses a ping pong buffer to allow accumulations while the calculations are being done. Have a few other things to work on first... > "A motorcycle is a bicycle with a pandemonium attachment and is > designed for the especial use of mechanical geniuses, daredevils and > lunatics." > � George Fitch, Atlanta Constitution Newspaper, 1912 > > > _______________________________________________ > Emc-users mailing list > Emc-users@lists.sourceforge.net > https://lists.sourceforge.net/lists/listinfo/emc-users _______________________________________________ Emc-users mailing list Emc-users@lists.sourceforge.net https://lists.sourceforge.net/lists/listinfo/emc-users
