Eric, it looks like they use a separate FTDI chip for USB comms. Do you think the XMEGA could handle the motion control AND USB at the same time? I suspect it can, especially since I think the USB interrupt can be given a lower priority, but I'm just asking anyway.
On Feb 14, 2013, at 20:59 , "Weddington, Eric" <[email protected]> wrote: > Hi Rick, > > By way of an example, here's an open source project that I ran across real > recently: > > TinyG > "The TinyG project is a many-axis motion control system. It is designed for > small CNC applications and other applications that require highly > controllable motion control." > It uses an ATxmega192A3 running at 32 Mhz. > http://www.synthetos.com/wiki/index.php?title=Projects:TinyG > Code is for AVR GCC and is completely open source (GPL). > > Now it may not sound like much. Until you see that a TinyG board has been put > into an Ultimaker desktop 3D printer to control the motors, with some > impressive results: > http://www.youtube.com/watch?v=Om0wTqFA-Dw&feature=youtu.be > > I've always liked the XMEGA Event System, and I think it's widely > underutilized. > > Good luck on your new design! :-) > > Eric Weddington > > >> -----Original Message----- >> From: [email protected] >> [mailto:[email protected]] On >> Behalf Of Rick Mann >> Sent: Thursday, February 14, 2013 8:45 PM >> To: [email protected] >> Subject: [avr-chat] Do people like the XMEGA? >> >> Hi. I'm about to start a new design and I'm looking for lots of GPIO, >> PWM, and USB. It seems the XMEGA parts might fit the bill. I've used >> lots of different MEGA parts, but these are new to me. >> >> Reading through Atmel's "Getting Started with XMEGA" document >> (http://www.atmel.com/Images/doc8169.pdf), it seems like an awesome >> chip (one that could benefit from a highly platform-dependent small >> RTOS). >> >> I wonder if anyone has had any negative experiences with them? Is GCC >> support good enough for these parts? How about tools like avrdude? >> >> Thanks! >> >> -- >> Rick >> >> >> >> >> _______________________________________________ >> AVR-chat mailing list >> [email protected] >> https://lists.nongnu.org/mailman/listinfo/avr-chat -- Rick _______________________________________________ AVR-chat mailing list [email protected] https://lists.nongnu.org/mailman/listinfo/avr-chat
