Hi, In my humble opinion it should have both SPI and Ethernet connection. I do not see any difference in the real-time capabilities of these two protocols.
cost would go up a bit, but this project could receive more attention form already existing communities. Maybe it could re-use the MESA protocol over ethernet, allowing for mutiple slaves to be connected, reusing work on the machinekit side, and attracting the attention of the LinuxCNC community. I am in europe, I cannot buy MESA because it came out way too expensive. There already are some open source motor driver, like Odrive or VESC. Maybe we could reuse something from here (BLDC are not stepper, i know, but hey, stepper are way easyer!) How hard do you think it is to move the MESA protocol from an FPGA, VHDL, to a microcontroller? I would use something like an ATSAME54, which is a cortex m4. I feel that atmel start libraries are well made, but I am not a seasoned developer. I can work on this, but I need the guide of a experienced one. Regards, mngr Il giorno venerdì 28 febbraio 2020 16:11:23 UTC+1, Mr Greg ha scritto: > > @ JohnD > > Re your OP > The answer is yes. > I have been using a Picnc + RPi2 -Jessy OS combo with machinekit for > several yrs. Looking to upgrade/resurect/or move on if necessary. > I'm personally not the chap to do the detail code, but am working with a > dev who has an interest and can contribute some limited time and effort. > > I am currently exploring Pi4 + Buster with a view to either Mesa or Picnc? > TBD > > @ Tomp > I understand you have had Picnc successfully running on a Pi3 ? > I can't seem to get it to behave on a Pi3. Not with Jessie + MK anyways. > All motors just spiral out of control soon as MK is started :( > All the SPI and dma addressing looks compatible They are both 2837 > Any ideas? > > @ All > By way of a little history. I did quite a bit of testing & verification > for Kinsa' on the original Picnc v1. ( circa 2012/13) This was on a Pic764 > which had potential to run faster with more IO > I'm not sure of how much info there is left for that version. I may have > some stuff archived? > > Cheers > MrGreg > > On Thursday, 27 February 2020 06:42:41 UTC, John Dammeyer wrote: >> >> This project seems to have lapsed 5 years ago. >> >> https://github.com/kinsamanka/PICnc-V2/wiki >> >> >> >> Any interest in resurrecting it? >> >> >> >> John Dammeyer >> >> >> >> "ELS! Nothing else works as well for your Lathe" >> >> Automation Artisans Inc. >> >> www dot autoartisans dot com >> >> >> > -- website: http://www.machinekit.io blog: http://blog.machinekit.io github: https://github.com/machinekit --- You received this message because you are subscribed to the Google Groups "Machinekit" group. To unsubscribe from this group and stop receiving emails from it, send an email to [email protected]. To view this discussion on the web visit https://groups.google.com/d/msgid/machinekit/228f471a-3292-4373-9fe8-08bf92f8fd3c%40googlegroups.com.
