diff options
Diffstat (limited to 'klippy')
| -rw-r--r-- | klippy/stepper.py | 13 |
1 files changed, 11 insertions, 2 deletions
diff --git a/klippy/stepper.py b/klippy/stepper.py index 61900a20..1b2841f4 100644 --- a/klippy/stepper.py +++ b/klippy/stepper.py @@ -57,8 +57,17 @@ class PrinterHomingStepper(PrinterStepper): self.position_endstop = config.getfloat('position_endstop') self.homing_speed = config.getfloat('homing_speed', 5.0, above=0.) - self.homing_positive_dir = config.getboolean( - 'homing_positive_dir', False) + self.homing_positive_dir = config.getboolean('homing_positive_dir', None) + if self.homing_positive_dir is None: + axis_len = self.position_max - self.position_min + if self.position_endstop <= self.position_min + axis_len / 4.: + self.homing_positive_dir = False + elif self.position_endstop >= self.position_max - axis_len / 4.: + self.homing_positive_dir = True + else: + raise config.error( + "Unable to infer homing_positive_dir in section '%s'" % ( + config.section,)) self.homing_retract_dist = config.getfloat( 'homing_retract_dist', 5., above=0.) self.homing_stepper_phases = config.getint( |