setup for gantry with linuxcnc 2.7.5.

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21 Jul 2016 12:55 #77771 by mpvriens
Have a challenge setting up a gantry machine with linuxcnc 2.7.5. with trivkins and gantry.comp
setup is : XXYZ
Have ini setup for 3 axis : axis0 axis1 and axis2 and 4 joints joint_0 till JOINT_3
Challenge: hall file generate and error as i have to connect the analog and encoder outputs of a mesa 7i77 board to both axis_0 and joints_0 as wel as to axis_1 and joint_1 and axis_2 and Joint_2

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21 Jul 2016 22:49 #77798 by BigJohnT
LinuxCNC Master now handles gantries much better and can home an axis with multiple joints or motors.

JT

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22 Jul 2016 08:02 #77811 by mpvriens
Thanks JT this helps and explains a lot

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22 Jul 2016 13:24 #77831 by BigJohnT
Short on time yesterday...
linuxcnc.org/docs/devel/html/config/ini-...lt_letter_gt_section
and
linuxcnc.org/docs/devel/html/getting-sta..._configuration_files
anyhow in Master (pre2.8) you configure each joint (motor) and each axis. An axis can have more than one joint. I looked for a good example but came up a bit empty. When you take a valid 2.7 configuration and open it up a converter attempts to convert it and save a copy.

JT
The following user(s) said Thank You: mpvriens

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25 Jul 2016 14:23 #77984 by mpvriens
working on 2.8. master branch now, but can't open the window for calibration or Hal configuration, from the Machine dropdown

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25 Jul 2016 14:47 #77986 by BigJohnT
Are the menu items greyed out? Just checked a machine and the Axis sim and both windows open. Check with the Axis sim.

JT

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25 Jul 2016 17:32 #78006 by mpvriens
Hi JT,

Even if i open axis.sim, both calibration, and hal configuration don't show, everything else does run ( like hal-scope )

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25 Jul 2016 20:58 #78016 by BigJohnT
How did you install master?

JT

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26 Jul 2016 05:38 #78032 by mpvriens
followed the: buildbot.linuxcnc.org/ link
and have chosen the:
deb buildbot.linuxcnc.org/ wheezy master-rt
deb-src buildbot.linuxcnc.org/ wheezy master-rt
Then sudo apt-get update
sudo apt-get install linuxcnc

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26 Jul 2016 14:42 #78040 by BigJohnT
I tried to set up Debian with Master this morning but failed to finish.

Edit your ini file and turn on maximum debug statements by commenting out the DEBUG=0 line and add like this
#DEBUG =0
DEBUG = 0x7fffffff

Open a terminal and clear dmesg
sudo dmesg -c

Close that terminal and open a new one and launch linuxcnc
linuxcnc

Open Axis and try to open the calibration page and see if you get any errors. I'll try again in the morning to install debian and master.

JT

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