Just a quick note.

I think they run a standard mesa card.



On Tue, 24 Jan 2023, 18:22 John Dammeyer, <jo...@autoartisans.com> wrote:

> -----Original Message-----
> > From: Ron Ginger [mailto:rongin...@roadrunner.com]
> >
> > I would like to try to run PathPilot on my own mill. I now run Mach4,
> > but I would like to see how well PathPilot works.
> >
> > I see I can simply download a copy from the Tormach site.  what
> > interface board do I need?
> >
> > What is Tormachs position on this? I know they have to release the code
> > because it is based on open source, but do they oppose its use?
> >
> > thanks
> >
> > ron ginger
> >
>
> Hi Ron,
> Long time.
> Have you asked Tormach what kind of interface board they use?  I doubt
> it's a parallel port.
>
> My guess is if you use open source LCNC for your system.  Spend the
> time/money to create a custom user interface for it but don't want everyone
> using it you'd likely use a customized piece of hardware as the break out
> board.
>
> However, unlike MACH, the two important files in LCNC are the .INI and
> .HAL files.  In the Tormach image those two will describe how they talk to
> the machine hardware.
>
> For example I use a MESA 7i92H and for a while had dual boot for WIN-XP
> and LCNC to a PMDX-126 break out board.  It's Ethernet to the MESA which
> emulates two parallel ports onto the PMDX.
>
> Here's how I documented (for my own needs) the first parallel port with
> the DB-25 pins cross referenced to the MESA pins.
>
> Looking forward to what you find out.
> John Dammeyer
>
> # external I/O signals
> # IO Connections for P2 MESA 7i92_PMDX126Ax2D.pin  (modified from pin file)
> # DBn.m_PMDX_Jn.m  I/O   Pri.func  Sec. func       Chan      Pin func
>   Pin Dir    System usage
>
> # P1.1_J6.2         0   IOPort     None
>   (Out)      machine-is-enabled (output)
> # P1.14_J6.3        1   IOPort     PWM              0        PWM
>    (Out)      spindle-vel-cmd-rps PWM (output)
> # P1.2_J4.2         2   IOPort     StepGen          0        Step/Table1
>    (Out)      x axis step pulse (output)
> # P1.15_J12.9       3   IOPort     None
>   (In)       max-x-y-min-z (input)
> # P1.3_J4.3         4   IOPort     StepGen          0        Dir/Table2
>   (Out)      x axis dir signal (output)
> # P1.16_J6.4        5   IOPort     None
>   (Out)      spindle-ccw output (output)
> # P1.4_J3.2         6   IOPort     StepGen          1        Step/Table1
>    (Out)      y axis step pulse (output)
> # P1.17_J6.5        7   IOPort     StepGen          4        Step/Table1
>    (Out)      Charge Pump frequency (output)
> # P1.5_J3.3         8   IOPort     StepGen          1        Dir/Table2
>   (Out)      y axis dir signal (output)
> # P1.6_J2.2         9   IOPort     StepGen          2        Step/Table1
>    (Out)      z axis step pulse (output)
> # P1.7_J2.3         10  IOPort     StepGen          2        Dir/Table2
>   (Out)      z axis dir signal (output)
> # P1.8_J1.2         11  IOPort     StepGen          3        Step/Table1
>    (Out)      a axis step pulse (output)
> # P1.9_J1.2         12  IOPort     StepGen          3        Dir/Table2
>   (Out)      a axis dir signal (output)
> # P1.10_J13.4       13  IOPort     None
>   (In)       estop-external-in (input)
> # P1.11_J12.3       14  IOPort     QCount           0        Quad-A
>   (In)       min home-x (input)
> # P1.12_J12.5       15  IOPort     QCount           0        Quad-B
>   (In)       min home-y (input)
> # P1.13_J12.7       16  IOPort     QCount           0        Quad-IDX
>   (in)       max-home-z (input)
>
>
>
>
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