klipper-dgus/klippy/extras/stepper_buzz.py

48 lines
1.9 KiB
Python

# Utility for moving a stepper back and forth to help identify it
#
# Copyright (C) 2018 Kevin O'Connor <kevin@koconnor.net>
#
# This file may be distributed under the terms of the GNU GPLv3 license.
import logging
class StepperBuzz:
def __init__(self, config):
self.printer = config.get_printer()
self.steppers = {}
def register_stepper(self, stepper, name):
self.steppers[name] = stepper
# Register STEPPER_BUZZ command
self.gcode = self.printer.lookup_object('gcode')
self.gcode.register_mux_command(
'STEPPER_BUZZ', 'STEPPER', name, self.cmd_STEPPER_BUZZ,
desc=self.cmd_STEPPER_BUZZ_help)
cmd_STEPPER_BUZZ_help = "Oscillate a given stepper to help id it"
def cmd_STEPPER_BUZZ(self, params):
name = self.gcode.get_str('STEPPER', params)
logging.info("Stepper buzz %s", name)
stepper = self.steppers[name]
need_motor_enable = stepper.need_motor_enable
# Move stepper
toolhead = self.printer.lookup_object('toolhead')
toolhead.wait_moves()
pos = stepper.mcu_stepper.get_commanded_position()
print_time = toolhead.get_last_move_time()
if need_motor_enable:
stepper.motor_enable(print_time, 1)
print_time += .1
was_ignore = stepper.mcu_stepper.set_ignore_move(False)
for i in range(10):
stepper.step_const(print_time, pos, 1., 4., 0.)
print_time += .3
stepper.step_const(print_time, pos + 1., -1., 4., 0.)
toolhead.reset_print_time(print_time + .7)
print_time = toolhead.get_last_move_time()
stepper.mcu_stepper.set_ignore_move(was_ignore)
if need_motor_enable:
print_time += .1
stepper.motor_enable(print_time, 0)
toolhead.reset_print_time(print_time)
def load_config(config):
return StepperBuzz(config)