:: Re: [Dng] CNC
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Autore: karl
Data:  
To: dng
Oggetto: Re: [Dng] CNC
Gordon:
> A while ago, I started trying to get a chroot Debian environment set up
> on Gentoo, and ran into troubles. [...]


It's ususally not a problem doing a chroot debian on debian using
debootstrap. The issues that you need to be aware of are to mount
/proc and any needed fs in the chroot, and that listening network
sockets can collide (you can't run sshd booth in the normal / and
in the chroot unless you use separet port numbers).

> Part of what I need to set up soonish, is CNC abilities. LinuxCNC
> exists, although the preferred platform is a LTS *buntu. I want to
> work with amd64 CPUs, and it looks like having Arduino or BeagleBoard
> microcontrollers is the cheap way to interface EMC2/LinuxCNC to

[...]

Can't you use a parallell port?

> I haven't looked at any of the code for ChronOS, but instead of using
> the soft real-time patch that *buntu uses (and most people, and I am
> not sure it is the soft patch), the VirginiaTech group did use the hard
> real-time preempt patch.


Don't linuxcnc use rtai (https://www.rtai.org/) ?

> In any event, I may be able to come up with a Devuan to the two
> different real-time CNC worlds. Something to do when I get tired of
> trying to electronics again. Plumbing is sooo much easier to solder.


http://article.gmane.org/gmane.linux.distributions.emc.user/52401
talks about linuxcnc on debian wheezy, perhaps it can be of help.

Regards,
/Karl Hammar

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