Debian Wheezy rt (RTAI) 2.8.2 no linuxcnc-dev ?

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17 Jul 2021 12:32 #215132 by gaston48
Hello, 

Under Debian Wheezy rt (RTAI) 2.8.2   
I cannot install   linuxcnc-dev  ?

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17 Jul 2021 17:14 #215147 by tommylight
sudo apt-get install linuxcnc-uspace-dev

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17 Jul 2021 17:28 #215152 by gaston48
Merci tommylight
but why in uspace?
and not :
sudo apt-get install linuxcnc-dev

It's the same problem as in this post here:

forum.linuxcnc.org/9-installing-linuxcnc...ing-on-2-8-rt#201956

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17 Jul 2021 17:36 #215154 by tommylight
Uspace = user space = for RT-Preempt kernel
There is also the RTAI kernel version, that was talked about in the link you posted.
 

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17 Jul 2021 17:40 #215155 by gaston48
I am under wheezy, so I would like the version for RTAI !

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17 Jul 2021 21:19 #215172 by tommylight
As far as i can see there is no dev for RTAI version:
linuxcnc.org/docs/2.8/html/getting-start...#cha:Installing-RTAI

Found it for Wheezy:
buildbot.linuxcnc.org/dists/wheezy/master-rt/binary-i386/
but that should work also from terminal, did you do a
sudo apt-get update
before install?

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18 Jul 2021 06:40 #215204 by gaston48
I have a large mesa configuration with 3 serial cards which only works under RTAI.
with a lot of components to compile and install.
rtai under buster is very risky for my big milling machine, so I am forced to stay
under wheezy.
Following the post here:
forum.linuxcnc.org/9-installing-linuxcnc...ing-on-2-8-rt#201956


Andy installed the package linuxcnc-dev on Wheezy rtai  2.8.1 in 15 minutes (it was an oversight)

that is no longer possible on 2.8.2 ?

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28 Jul 2021 22:50 #216159 by andypugh
I think that this is the package that you need:

www.linuxcnc.org/dists/wheezy/2.8-rt/bin...c-dev_2.8.2_i386.deb

I don't know why the package manager is not finding it. 

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29 Jul 2021 08:16 #216197 by gaston48
Thanks andy,
In the mean time, I installed debian buster alone
with the intention of installing RTAI
and linuxcnc 2.8.2 following the instructions given here:

linuxcnc.org/docs/2.8/html/getting-start...#cha:Installing-RTAI

but the packages were not found either ...

About Mesa and my 3 serial cards, they don't want to start with a 1000000 ns servo-thread
they start with 500000 ns ?     which is incompatible with rt-preempt .
 

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29 Jul 2021 08:56 #216201 by tommylight
RT-Preempt does not care much about servo period as long as the PC can handle it, and the cards connected to that PC.
Not sure how to say this, but if it works with 500000 it should work with 1000000, there is no justifiable reason for it not to work except a typo in the ini file.

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