You'd have to write VHDL code, compile into a bitfile, and then just use the mesaflash command-line to upload to the card.
Danny ---- Les Newell <les.new...@fastmail.co.uk> wrote: > I did wonder how expensive it is to write to the Mesa cards. I would > like to have a go at converting one of my lasers one day. However I have > a mill and router that need retrofitting before I look at any laser stuff. > > Les > > On 25/10/2016 13:25, Todd Zuercher wrote: > > About 4-5kHz in a floating point base-thread was about as fast as I was > > able to get the read/writes for my Mesa 5i25/7i77 combo to run at. There > > might be tricks to get it a little faster but I doubt there is a lot more > > to be gained with that combo. Smart serial communication seemed to be the > > limiting factor. > > > > ----- Original Message ----- > > From: "andy pugh" <bodge...@gmail.com> > > To: "Enhanced Machine Controller (EMC)" <emc-users@lists.sourceforge.net> > > Sent: Tuesday, October 25, 2016 6:30:00 AM > > Subject: Re: [Emc-users] LinuxCNC laser cutter? > > > > On 25 October 2016 at 09:48, Les Newell <les.new...@fastmail.co.uk> wrote: > >> Is there any reason why the realtime part of the raster component can't > >> run in a faster thread, say 10kHz? As long as you have hardware PWM (e.g > >> Mesa FPGA) you should be able to get pretty good resolution. > > Generally the Mesa update functions run in the servo thread because > > there is a fair bit of floating-point maths involved in PWM duty cycle > > calculations. > > It is possible to enable floating-point in a base thread, but I > > suspect that the Mesa update function might be a bit "expensive" to > > run at 10kHz. > > > > > ------------------------------------------------------------------------------ > The Command Line: Reinvented for Modern Developers > Did the resurgence of CLI tooling catch you by surprise? > Reconnect with the command line and become more productive. > Learn the new .NET and ASP.NET CLI. Get your free copy! > http://sdm.link/telerik > _______________________________________________ > Emc-users mailing list > Emc-users@lists.sourceforge.net > https://lists.sourceforge.net/lists/listinfo/emc-users ------------------------------------------------------------------------------ The Command Line: Reinvented for Modern Developers Did the resurgence of CLI tooling catch you by surprise? Reconnect with the command line and become more productive. Learn the new .NET and ASP.NET CLI. Get your free copy! http://sdm.link/telerik _______________________________________________ Emc-users mailing list Emc-users@lists.sourceforge.net https://lists.sourceforge.net/lists/listinfo/emc-users
