On 2/28/2014 7:19 AM, John Alexander Stewart wrote: > Michael; > > Ah - grbl-like input. Makes sense, and I can see how it would not work so > well for LinuxCNC. > > The question, then, is how come Mach3 can have USB cabling, but LinuxCNC > can't? (see the KX* mills from Arc Eurotrade in the UK; now with USB input)
Because Mach3 doesn't run closed loop. LinuxCNC tracks the state of the machine and uses that to calculate what to do next. Mach just sends a series of commands and expects the hardware to do the right thing. > Related: What commands are sent over the USB for these Mach3 boxes? > > Related,related: how can LinuxCNC get a larger slice of the 3D printer > market, now that the "Printrboard" style of controls, and associated > software is settling down for 3D'ers? I'm working on it, but there are only so many hours in the day. IMHO, the missing pieces that could help this along are: * GUI screens targeted to 3D printing * GUI screens that work well with lower resolution screens (800x480 is a very common size, and no existing LinuxCNC screens work well at these low resolutions) * Better handling of "reprap" style gcode, ideally handled natively inside LinuxCNC, less ideal is improved pre-processing of the gcode. * Stepconf-like auto-configuration builder * Example configurations for some "standard" 3D printer types * Sane configuration and setup infrastructure for low-level hardware drivers and pin assignments (work in progress by me) ...feel free to jump in and help! -- Charles Steinkuehler char...@steinkuehler.net
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