Hi Charles,
> 
>   I have not been keeping up with machinekit as much as I should, but it
> does look like they are moving to server/client. Looks like they have
moved
> the UI, task scheduler, RS274 interpreter, and basic machine commands to
> use API's. Trajectory planner, kinematics, hardware drivers, etc, etc
> remain on the Beaglebone. If I am reading this doc correctly, I would
think
> that you could program pretty much anything to connect to the API's.
Should
> be OS agnostic where the UI is running. I do know they are doing the
> development against tablets as I have downloaded that.

Because the BBB has the two PRU processors all the stepping movement etc.
has been offloaded.  At the moment though, last I checked, support for a
spindle encoder for lathe threading isn't there yet.  With that in mind I
doubt that encoder feedback for DC Servos is there either.  And the Beagle
doesn't have 5 or 6 QEI devices (only 2) so some sort of external cape would
still be required if you wanted a full 5 axis system along with an encoder
on the spindle.  But then that's true for a desktop PC too right?

The Beagle won't be the ultimate solution even for the embedded systems I
design.  It's got only two CAN bus ports.  I'm still stuck using a Freescale
9S12 8/16 bit controller because it has 5 CAN bus channels of which I use 3
or 4.  And the development, debugging and programming software for that is
stuck at the WIN-XP level and isn't available at all for Linux.

The Beagle could do a Lathe with an encoder and stepper motors.  Even with a
small touch screen interface.  The world has changed a lot in the last 5
years.

John
  


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