Sounds very interesting! I know it doesnt answer your realtime question but could Racket be used to compile 'G-Code'(or C?) to shorten your development loop from 'prototyping and porting' to 'compiling'? (and perhaps 'talk' to linuxcnc directly if it has an api?)
Kind regards Stephen G-code from http://linuxcnc.org/docs/2.7/html/gcode/coordinates.html G10 L2 P1 X0 Y0 Z0 (ensure that G54 is set to machine zero) G0 X-0.1 Y0 Z0 G1 F1 Z-0.25 G3 X-0.1 Y0 I0.1 J0 G0 Z0 M2 It can generate outputs for other targets, e.g. scribble, asi64 On Fri, Mar 1, 2019 at 4:56 PM Dave McDaniel <[email protected]> wrote: > That is a cool idea. While its not racket, have you heard of Carp? It's > a lisp without GC, was developed for game development. I think its still > pretty beta, and again not racket, but you may find it tangentially > interesting. > > https://github.com/carp-lang/Carp > > Best, > Dave > > On Fri, Mar 1, 2019 at 11:51 AM Curtis Dutton <[email protected]> wrote: > >> Hi all, >> >> I've worked with linuxcnc realtime machine controller for the last 5 >> years. I have been playing around in my spare time with building a new >> motion controller that is jerk limited. My prototyping is being done in >> racket to prove out my math and implementation. Once working well it will >> be ported to C for hard realtime production code. It's been nice with the >> FFI to be able to actually interface with linuxcnc. >> >> Now I find myself wondering, why can't racket run in realtime? The GC is >> the most obvious hurdle that I can see. But racket execution speed by >> itself is plenty fast enough. >> >> If we had a racket language that could generate code that doesn't >> generate garbage during execution I think implementing realtime components >> in racket could be doable. >> >> Most realtime code in the machine controller consists of tiny little >> functions that are executed at 1000 times per second. >> >> So what I'm looking for is a racket language that doesn't generate >> garbage at execution time. But a "setup" phase could do so and it wouldn't >> be a problem. >> >> Is there such a thing? Is it worth pursuing? Or better to just stick with >> C? >> >> Anyhow just something I've been wondering about and I'm seeking opinions >> or any known resources from the research world. >> >> >> Thanks, >> Curtis >> >> >> -- >> You received this message because you are subscribed to the Google Groups >> "Racket Developers" group. >> To unsubscribe from this group and stop receiving emails from it, send an >> email to [email protected]. >> To post to this group, send email to [email protected]. >> To view this discussion on the web visit >> https://groups.google.com/d/msgid/racket-dev/CAPChLEqN4BHVn7P0UAA09n4UGVvVsyqw9DhKdoBEOtK56Dkrrg%40mail.gmail.com >> <https://groups.google.com/d/msgid/racket-dev/CAPChLEqN4BHVn7P0UAA09n4UGVvVsyqw9DhKdoBEOtK56Dkrrg%40mail.gmail.com?utm_medium=email&utm_source=footer> >> . >> For more options, visit https://groups.google.com/d/optout. >> > -- > You received this message because you are subscribed to the Google Groups > "Racket Developers" group. > To unsubscribe from this group and stop receiving emails from it, send an > email to [email protected]. > To post to this group, send email to [email protected]. > To view this discussion on the web visit > https://groups.google.com/d/msgid/racket-dev/CAJx4fADapXGj-7Br2RObmaZJVQv4Q5RSHcPnesYCrBv5Y8jQKQ%40mail.gmail.com > <https://groups.google.com/d/msgid/racket-dev/CAJx4fADapXGj-7Br2RObmaZJVQv4Q5RSHcPnesYCrBv5Y8jQKQ%40mail.gmail.com?utm_medium=email&utm_source=footer> > . > For more options, visit https://groups.google.com/d/optout. > -- You received this message because you are subscribed to the Google Groups "Racket Developers" group. To unsubscribe from this group and stop receiving emails from it, send an email to [email protected]. To post to this group, send email to [email protected]. To view this discussion on the web visit https://groups.google.com/d/msgid/racket-dev/CAGHj7-J22hjmXa8LcD8SWm3YujwateXpa0MzznmH%3DzV1Z91fSQ%40mail.gmail.com. For more options, visit https://groups.google.com/d/optout.
