Import LinuxCNC source tree

configs/sim/axis/moveoff/6_zretract.ini

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+#INCLUDE moveoff_display_6.inc
+#INCLUDE moveoff_base.inc
+#INCLUDE moveoff_settings.inc
+
+[EMC]
+VERSION = 1.1
+MACHINE = moveoff zretract demo
+
+[HAL]
+  HALUI = halui
+HALFILE = LIB:basic_sim.tcl
+
+# hookup a moveoff component:
+HALFILE = LIB:hookup_moveoff.tcl
+
+# simulate external controls:
+HALFILE = LIB:moveoff_external.hal
+
+# demonstrate fixed zretract offset = 0.1234
+# set offset,accel,velocity for axis 2 (z):
+HALCMD = sets external_offset_2     0.1234
+HALCMD = setp mv.offset-accel-2    10
+HALCMD = setp mv.offset-vel-2       0.05
+# backtracking not required for fixed offset:
+HALCMD = sets external_backtrack_en 0
+
+# Instead of external toggle switch, create connection
+# to external_enable signal with a pyvcp panel checkbutton.
+POSTGUI_HALFILE = moveoff_display_6.hal
+
+[APPLICATIONS]
+# moveoff_gui:
+#  1) provides display of offset
+#  2) resumes after delay
+#     typical use, control spindle with mv.offset-aplied pin
+  APP = moveoff_gui \
+ -mode onpause \
+ -size 14 \
+ -loc +10+50 \
+ -axes z \
+ -autoresume -delay 5 \
+ -no_cancel_autoresume