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probe: add ability to save babystepping (#4404)

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Created two new extended gcodes: Z_OFFSET_APPLY_ENDSTOP, and Z_OFFSET_APPLY_PROBE.
These use the z gcode offset to revise the probe offset, or z endstop position
allowing users to make a frequently used babystepping value permanent without
manual config editing.

Signed-off-by: Ben Eastep <shifting@shifting.ca>
This commit is contained in:
shiftingtech
2021-07-25 18:20:15 -06:00
committed by GitHub
parent 0075b29081
commit f949bc882d
3 changed files with 49 additions and 5 deletions
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19
klippy/extras/probe.py
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@@ -27,6 +27,7 @@ class PrinterProbe:
self.multi_probe_pending = False
self.last_state = False
self.last_z_result = 0.
self.gcode_move = self.printer.load_object(config, "gcode_move")
# Infer Z position to move to during a probe
if config.has_section('stepper_z'):
zconfig = config.getsection('stepper_z')
@@ -70,6 +71,9 @@ class PrinterProbe:
desc=self.cmd_PROBE_CALIBRATE_help)
self.gcode.register_command('PROBE_ACCURACY', self.cmd_PROBE_ACCURACY,
desc=self.cmd_PROBE_ACCURACY_help)
self.gcode.register_command('Z_OFFSET_APPLY_PROBE',
self.cmd_Z_OFFSET_APPLY_PROBE,
desc=self.cmd_Z_OFFSET_APPLY_PROBE_help)
def _handle_homing_move_begin(self, hmove):
if self.mcu_probe in hmove.get_mcu_endstops():
self.mcu_probe.probe_prepare(hmove)
@@ -262,6 +266,21 @@ class PrinterProbe:
# Start manual probe
manual_probe.ManualProbeHelper(self.printer, gcmd,
self.probe_calibrate_finalize)
def cmd_Z_OFFSET_APPLY_PROBE(self,gcmd):
z_offset = self.probe_calibrate_z
offset = self.gcode_move.get_status()['homing_origin'].z
configfile = self.printer.lookup_object('configfile')
if offset == 0:
self.gcode.respond_info("Nothing to do: Z Offset is 0")
else:
new_calibrate = self.probe_calibrate_z - offset
self.gcode.respond_info(
"%s: z_offset: %.3f\n"
"The SAVE_CONFIG command will update the printer config file\n"
"with the above and restart the printer."
% (self.name, new_calibrate))
configfile.set(self.name, 'z_offset', "%.3f" % (new_calibrate,))
cmd_Z_OFFSET_APPLY_PROBE_help = "Adjust the probe's z_offset"
# Endstop wrapper that enables probe specific features
class ProbeEndstopWrapper: