Hello,
Recently I have installed the EtherCat 1.5 Master. Now I am trying to
create a
device node according to the documentation. Unfortunately some problem
occurs.
After boot you can observe the following communication:
----------------------------------------------------------------------------------
primergy-llw1:/etc/sysconfig/scripts # /etc/init.d/ethercat start
Starting EtherCAT master devel FATAL: Error inserting ec_master
(/lib/modules/2.6.31.5-0.1-desktop/ethercat/master/ec_master.ko):
Invalid argument
failed
primergy-llw1:/etc/sysconfig/scripts # insmod
/lib/modules/2.6.31.5-0.1-desktop/
ethercat/master/ec_master.ko
primergy-llw1:/etc/sysconfig/scripts # /etc/init.d/ethercat start
Starting EtherCAT master devel
done
primergy-llw1:/etc/sysconfig/scripts # KERNEL=="EtherCAT[0-9]*",
MODE="0664"
primergy-llw1:/etc/sysconfig/scripts # /etc/init.d/ethercat restart
Shutting down EtherCAT master devel
done
Starting EtherCAT master devel FATAL: Error inserting ec_master
(/lib/modules/2.6.31.5-0.1-desktop/ethercat/master/ec_master.ko):
Invalid argument
failed
primergy-llw1:/etc/sysconfig/scripts # insmod
/lib/modules/2.6.31.5-0.1-desktop/
ethercat/master/ec_master.ko
primergy-llw1:/etc/sysconfig/scripts # /etc/init.d/ethercat start
Starting EtherCAT master devel
done
primergy-llw1:/etc/sysconfig/scripts # ls -l /dev/EtherCAT0
ls: Zugriff auf /dev/EtherCAT0 nicht möglich: Datei oder Verzeichnis
nicht gefunden
-----------------------------------------------------------------------------------
I have had a look at the /etc/udev/rules.d/99EtherCAT.rules file. Looks
quite good:
KERNEL=="EtherCAT[0-9]*", MODE="0664"
(udev installed)
Any idea why there is no device node created?
Another Question:
The software you provide is actual made for real-time applications.
Which parts of
the software (ELab, ECos, DLS) are working (or not working) with a
generic
driver(EC-Master)?
Regards
Oliver
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