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| author | Kevin O'Connor <kevin@koconnor.net> | 2017-12-07 17:35:19 -0500 |
|---|---|---|
| committer | Kevin O'Connor <kevin@koconnor.net> | 2017-12-07 17:35:19 -0500 |
| commit | 3ffab763c0aa4b8d43ba447ced3e2c265c86606d (patch) | |
| tree | d281cb2978ddd5cadfbe1f2af5387dd0fdb0e588 | |
| parent | ef09ac5a7fdc1de4529aefca21498fcf0d144c9d (diff) | |
| download | kutter-3ffab763c0aa4b8d43ba447ced3e2c265c86606d.tar.gz kutter-3ffab763c0aa4b8d43ba447ced3e2c265c86606d.tar.xz kutter-3ffab763c0aa4b8d43ba447ced3e2c265c86606d.zip | |
stepper: Only align the stepper motor to a full step when requested
Add a new config option 'homing_endstop_align_zero' to enable the
alignment of the endstop to a stepper full step. It's possible one
may wish to specify a homing_endstop_phase while not aligning the
endstop.
Signed-off-by: Kevin O'Connor <kevin@koconnor.net>
| -rw-r--r-- | config/example.cfg | 6 | ||||
| -rw-r--r-- | klippy/stepper.py | 3 |
2 files changed, 8 insertions, 1 deletions
diff --git a/config/example.cfg b/config/example.cfg index 96bddafb..74ec1224 100644 --- a/config/example.cfg +++ b/config/example.cfg @@ -77,6 +77,12 @@ position_max: 200 # reset. If this is not set, but homing_stepper_phases is set, then # the stepper phase will be detected on the first home and that # phase will be used on all subsequent homes. +#homing_endstop_align_zero: False +# If homing_endstop_phase is set and this field is true then the +# code will arrange for the zero position on the axis to occur at a +# full step on the stepper motor. (If used on the Z axis and the +# print layer height is a multiple of a full step distance then +# every layer will occur on a full step.) The default is False. # The stepper_y section is used to describe the stepper controlling # the Y axis in a cartesian robot. It has the same settings as the diff --git a/klippy/stepper.py b/klippy/stepper.py index 28fdb226..07798a1d 100644 --- a/klippy/stepper.py +++ b/klippy/stepper.py @@ -87,7 +87,8 @@ class PrinterHomingStepper(PrinterStepper): self.homing_endstop_phase = config.getint( 'homing_endstop_phase', None, minval=0 , maxval=self.homing_stepper_phases-1) - if self.homing_endstop_phase is not None: + if (self.homing_endstop_phase is not None + and config.getboolean('homing_endstop_align_zero', False)): # Adjust the endstop position so 0.0 is always at a full step micro_steps = self.homing_stepper_phases // 4 phase_offset = ( |