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gcode: Check for invalid speeds 

Raise an error if the move speed is set to a zero or negative value.

Signed-off-by: Kevin O'Connor <kevin@koconnor.net>
This commit is contained in:
Kevin O'Connor 2017-05-01 18:04:33 -04:00
parent 253517096e
commit c9d21574d8
1 changed files with 4 additions and 1 deletions
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5
klippy/gcode.py
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@ -255,7 +255,10 @@ class GCodeParser:
# value relative to base coordinate position # value relative to base coordinate position
self.last_position[p] = v + self.base_position[p] self.last_position[p] = v + self.base_position[p]
if 'F' in params: if 'F' in params:
self.speed = float(params['F']) / 60. speed = float(params['F']) / 60.
if speed <= 0.:
raise ValueError()
self.speed = speed
except ValueError, e: except ValueError, e:
self.last_position = self.toolhead.get_position() self.last_position = self.toolhead.get_position()
raise error("Unable to parse move '%s'" % (params['#original'],)) raise error("Unable to parse move '%s'" % (params['#original'],))