> -----Original Message----- > From: Chris Albertson [mailto:albertson.ch...@gmail.com]
> The STM32 has no problem with MHz level bit flipping. Reading or > creating is MHz level is not hard. > And the Pi3 has to be about the most well understood and documented > machines on Earth. they > are ultra-common. > > The pi still is beat by an Intel desktop PC but the Pi has that GPIO > header and you can get at signals. The OS causes unpredictable > latency so use the STM32 if that matters. > > As for compute power if the Pi is not enough you offload from the Pi > to the bigger box. But for machine tools the Pi is overkill unless > you are doing vision. > And the STM32s are so inexpensive that the STMBL AC Servo drive uses two of them. One to handle the actual 3 phase drive output and one to deal with the encoders and user interface etc. It's a nice solution where the computer side (LinuxCNC) is electrically isolated from the 350V Motor side. John Dammeyer http://www.autoartisans.com > > > -- > > Chris Albertson > Redondo Beach, California > > > _______________________________________________ > 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