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| author | Kevin O'Connor <kevin@koconnor.net> | 2020-02-12 20:19:18 -0500 |
|---|---|---|
| committer | Kevin O'Connor <kevin@koconnor.net> | 2020-02-12 20:19:18 -0500 |
| commit | 0cfab84e1accf144a3844b602fcfb3e437ca3ef0 (patch) | |
| tree | 05fc3275c7d460c3e54cd1d21c4d3461888061c5 /klippy/extras/homing_override.py | |
| parent | 512ad4b3a4e3893dea3efc02d7517a032fef4ac6 (diff) | |
| download | kutter-0cfab84e1accf144a3844b602fcfb3e437ca3ef0.tar.gz kutter-0cfab84e1accf144a3844b602fcfb3e437ca3ef0.tar.xz kutter-0cfab84e1accf144a3844b602fcfb3e437ca3ef0.zip | |
gcode: Return previous handler from register_command(cmd, None)
When overriding a g-code command, allow the caller to obtain the
previous command handler. Use this feature in homing_override and
safe_z_home.
Signed-off-by: Kevin O'Connor <kevin@koconnor.net>
Diffstat (limited to 'klippy/extras/homing_override.py')
| -rw-r--r-- | klippy/extras/homing_override.py | 4 |
1 files changed, 2 insertions, 2 deletions
diff --git a/klippy/extras/homing_override.py b/klippy/extras/homing_override.py index 06b497a4..8a40044c 100644 --- a/klippy/extras/homing_override.py +++ b/klippy/extras/homing_override.py @@ -14,12 +14,12 @@ class HomingOverride: self.template = gcode_macro.load_template(config, 'gcode') self.in_script = False self.gcode = self.printer.lookup_object('gcode') - self.gcode.register_command("G28", None) + self.prev_G28 = self.gcode.register_command("G28", None) self.gcode.register_command("G28", self.cmd_G28) def cmd_G28(self, params): if self.in_script: # Was called recursively - invoke the real G28 command - self.gcode.cmd_G28(params) + self.prev_G28(params) return # if no axis is given as parameter we assume the override |