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tuning_tower: Remove max(0, z) check 

Commit 9530373c introduced a minimum value of zero for the g-code z
position.  Unfortunately, that would likely cause the tuning tower to
not emit a command at the start of a test because the initial dummy z
position is set to a negative value.  The minimum bound should not be
needed so remove it.

Signed-off-by: Kevin O'Connor <kevin@koconnor.net>
This commit is contained in:
Kevin O'Connor 2020-05-26 14:42:24 -04:00
parent 686d557863
commit 04532448bc
1 changed files with 1 additions and 1 deletions
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klippy/extras/tuning_tower.py
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@ -48,7 +48,7 @@ class TuningTower:
# Compensate Z-Offset # Compensate Z-Offset
gcode = self.printer.lookup_object("gcode") gcode = self.printer.lookup_object("gcode")
z_offset = gcode.get_status(None)['base_zpos'] z_offset = gcode.get_status(None)['base_zpos']
z = max(0, z - z_offset) z = z - z_offset
if self.band: if self.band:
z = (math.floor(z / self.band) + .5) * self.band z = (math.floor(z / self.band) + .5) * self.band
return self.start + z * self.factor return self.start + z * self.factor