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tmc: Implement high_velocity_threshold for drivers that support it

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Signed-off-by: Alex Voinea <voinea.dragos.alexandru@gmail.com>
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Alex Voinea 2024-05-14 22:23:06 +02:00 • committed by KevinOConnor
parent 5249d955bb
commit ed8dca8df0
5 changed files with 47 additions and 0 deletions
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17
klippy/extras/tmc.py
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@ -632,3 +632,20 @@ def TMCVcoolthrsHelper(config, mcu_tmc):
tcoolthrs = TMCtstepHelper(step_dist, mres,
mcu_tmc.get_tmc_frequency(), velocity)
fields.set_field("tcoolthrs", tcoolthrs)
# Helper to configure StallGuard and CoolStep maximum velocity and
# SpreadCycle-FullStepping (High velocity) mode threshold.
def TMCVhighHelper(config, mcu_tmc):
fields = mcu_tmc.get_fields()
velocity = config.getfloat('high_velocity_threshold', None, minval=0.)
thigh = 0
if velocity is not None:
stepper_name = " ".join(config.get_name().split()[1:])
sconfig = config.getsection(stepper_name)
rotation_dist, steps_per_rotation = stepper.parse_step_distance(sconfig)
step_dist = rotation_dist / steps_per_rotation
mres = fields.get_field("mres")
thigh = TMCtstepHelper(step_dist, mres,
mcu_tmc.get_tmc_frequency(), velocity)
fields.set_field("thigh", thigh)