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toolhead: Replace max_accel_to_decel with minimum_cruise_ratio

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The user facing max_accel_to_decel setting is complicated and
confusing.  Replace it with a new minimum_cruise_ratio parameter.
Internally this user-facing parameter will calculate the existing
low-level "accel_to_decel" mechanism.

Signed-off-by: Kevin O'Connor <kevin@koconnor.net>
This commit is contained in:
Kevin O'Connor 2023-12-03 18:50:44 -05:00
parent 18de421c4a
commit 0105aa330f
10 changed files with 85 additions and 50 deletions
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10
klippy/extras/resonance_tester.py
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@ -77,11 +77,11 @@ class VibrationPulseTest:
systime = self.printer.get_reactor().monotonic()
toolhead_info = toolhead.get_status(systime)
old_max_accel = toolhead_info['max_accel']
old_max_accel_to_decel = toolhead_info['max_accel_to_decel']
old_minimum_cruise_ratio = toolhead_info['minimum_cruise_ratio']
max_accel = self.freq_end * self.accel_per_hz
self.gcode.run_script_from_command(
"SET_VELOCITY_LIMIT ACCEL=%.3f ACCEL_TO_DECEL=%.3f" % (
max_accel, max_accel))
"SET_VELOCITY_LIMIT ACCEL=%.3f MINIMUM_CRUISE_RATIO=0"
% (max_accel,))
input_shaper = self.printer.lookup_object('input_shaper', None)
if input_shaper is not None and not gcmd.get_int('INPUT_SHAPING', 0):
input_shaper.disable_shaping()
@ -108,8 +108,8 @@ class VibrationPulseTest:
gcmd.respond_info("Testing frequency %.0f Hz" % (freq,))
# Restore the original acceleration values
self.gcode.run_script_from_command(
"SET_VELOCITY_LIMIT ACCEL=%.3f ACCEL_TO_DECEL=%.3f" % (
old_max_accel, old_max_accel_to_decel))
"SET_VELOCITY_LIMIT ACCEL=%.3f MINIMUM_CRUISE_RATIO=%.3f"
% (old_max_accel, old_minimum_cruise_ratio))
# Restore input shaper if it was disabled for resonance testing
if input_shaper is not None:
input_shaper.enable_shaping()