In <CAJZ=BTNHivrbVW_8MR-aD0rtxE+=sqisfunmhdbcwog1vfw...@mail.gmail.com> Andrew
<[email protected]> writes:
>Is there a pin for machine/relative position?
No, but you can create your own pin for the axis gui
using python statements in ~/.axisrc
Example:
#--------------------------------------------------------
$ cat ~/.axisrc
mycomp = hal.component("mycomp")
mycomp.newpin("coord_relative",hal.HAL_BIT,hal.HAL_IN)
coord_relative = vars.coord_type.get()
def user_live_update():
global coord_relative
coord_relative_pin = mycomp["coord_relative"]
if (coord_relative != coord_relative_pin):
vars.coord_type.set(coord_relative_pin)
coord_relative = coord_relative_pin
o.tkRedraw()
#--------------------------------------------------------
$ # Testing:
$ linuxcnc yourinifile.ini &
$ halcmd show pin mycomp
Component Pins:
Owner Type Dir Value Name
72 bit IN FALSE mycomp.coord_relative
$ # test using sim_pin (toggle):
$ sim_pin mycomp.coord_relative &
#-----------------------------------------------------------------------
Notes:
1) Future changes to the axis gui may break this method.
2) Using the axis gui key ("#") that is bound to the
commands.toggle_coord_type() function will override
the current mycomp.coord_relative hal pin setting
#-----------------------------------------------------------------------
References (for 2.7.x LinuxCNC version):
~/.axisrc:
http://linuxcnc.org/docs/2.7/html/gui/axis.html#_axisrc
user_live_update():
http://linuxcnc.org/docs/2.7/html/gui/axis.html#_user_live_update
sim_pin:
http://linuxcnc.org/docs/2.7/html/man/man1/sim_pin.1.html
Alternatively, the statements shown above for ~/.axisrc
can be placed in a configuration-specific file defined
by [DISPLAY]USER_COMMAND_FILE, see:
http://linuxcnc.org/docs/2.7/html/gui/axis.html#_user_command_file
--
Dewey Garrett
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