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| author | Kevin O'Connor <kevin@koconnor.net> | 2019-10-04 14:58:17 -0400 |
|---|---|---|
| committer | Kevin O'Connor <kevin@koconnor.net> | 2019-10-04 20:10:12 -0400 |
| commit | 6d7d079bab1a54b2f36a8d465c9bebee3078b5d6 (patch) | |
| tree | 35512a977ecf285ad6eb02da3d217401a83eef92 | |
| parent | 4ef0db50872a53d1adf8364a20b22e1ce85e3a2a (diff) | |
| download | kutter-6d7d079bab1a54b2f36a8d465c9bebee3078b5d6.tar.gz kutter-6d7d079bab1a54b2f36a8d465c9bebee3078b5d6.tar.xz kutter-6d7d079bab1a54b2f36a8d465c9bebee3078b5d6.zip | |
tuning_tower: Only cancel tuning tower test if extrude at notably lower z
Some print start scripts may extrude at a position slightly higher
than the first z layer height. Tweak the backwards z test to reduce
the chance of the tuning test ending prematurely.
Signed-off-by: Kevin O'Connor <kevin@koconnor.net>
| -rw-r--r-- | klippy/extras/tuning_tower.py | 9 |
1 files changed, 6 insertions, 3 deletions
diff --git a/klippy/extras/tuning_tower.py b/klippy/extras/tuning_tower.py index 7f536108..675e6ef8 100644 --- a/klippy/extras/tuning_tower.py +++ b/klippy/extras/tuning_tower.py @@ -5,6 +5,8 @@ # This file may be distributed under the terms of the GNU GPLv3 license. import math, logging +CANCEL_Z_DELTA=2.0 + class TuningTower: def __init__(self, config): self.printer = config.get_printer() @@ -48,7 +50,10 @@ class TuningTower: and newpos[:3] != self.last_position[:3]): # Extrusion move at new z height z = newpos[2] - if z > self.last_z: + if z < self.last_z - CANCEL_Z_DELTA: + # Extrude at a lower z height - probably start of new print + self.end_test() + else: # Process update oldval = self.calc_value(self.last_z) newval = self.calc_value(z) @@ -57,8 +62,6 @@ class TuningTower: gcode = self.printer.lookup_object("gcode") gcode.run_script_from_command("%s %s=%.9f" % ( self.command, self.parameter, newval)) - else: - self.end_test() # Forward move to actual handler self.last_position[:] = newpos normal_transform.move(newpos, speed) |