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73 lines
3.0 KiB
Python
73 lines
3.0 KiB
Python
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# Helper script to adjust parameters based on Z level
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#
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# Copyright (C) 2019 Kevin O'Connor <kevin@koconnor.net>
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#
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# This file may be distributed under the terms of the GNU GPLv3 license.
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import math, logging
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class TuningTower:
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def __init__(self, config):
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self.printer = config.get_printer()
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self.normal_transform = None
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self.last_position = [0., 0., 0., 0.]
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self.last_z = self.start = self.factor = self.band = 0.
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self.command = self.parameter = ""
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# Register command
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gcode = self.printer.lookup_object("gcode")
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gcode.register_command("TUNING_TOWER", self.cmd_TUNING_TOWER,
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desc=self.cmd_TUNING_TOWER_help)
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cmd_TUNING_TOWER_help = "Tool to adjust a parameter at each Z height"
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def cmd_TUNING_TOWER(self, params):
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if self.normal_transform is not None:
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self.end_test()
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# Get parameters
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gcode = self.printer.lookup_object("gcode")
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self.command = gcode.get_str('COMMAND', params)
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self.parameter = gcode.get_str('PARAMETER', params)
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self.start = gcode.get_float('START', params, 0.)
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self.factor = gcode.get_float('FACTOR', params)
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self.band = gcode.get_float('BAND', params, 0., minval=0.)
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# Enable test mode
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logging.info("Starting tuning test (start=%.6f factor=%.6f)",
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self.start, self.factor)
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self.normal_transform = gcode.set_move_transform(self, force=True)
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self.last_z = -99999999.9
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gcode.reset_last_position()
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self.get_position()
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def get_position(self):
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pos = self.normal_transform.get_position()
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self.last_postition = list(pos)
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return pos
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def calc_value(self, z):
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if self.band:
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z = (math.floor(z / self.band) + .5) * self.band
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return self.start + z * self.factor
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def move(self, newpos, speed):
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normal_transform = self.normal_transform
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if (newpos[3] > self.last_position[3] and newpos[2] != self.last_z
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and newpos[:3] != self.last_position[:3]):
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# Extrusion move at new z height
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z = newpos[2]
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if z > self.last_z:
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# Process update
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oldval = self.calc_value(self.last_z)
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newval = self.calc_value(z)
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self.last_z = z
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if newval != oldval:
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gcode = self.printer.lookup_object("gcode")
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gcode.run_script_from_command("%s %s=%.9f" % (
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self.command, self.parameter, newval))
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else:
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self.end_test()
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# Forward move to actual handler
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self.last_position[:] = newpos
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normal_transform.move(newpos, speed)
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def end_test(self):
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gcode = self.printer.lookup_object("gcode")
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gcode.respond_info("Ending tuning test mode")
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gcode.set_move_transform(self.normal_transform, force=True)
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self.normal_transform = None
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def load_config(config):
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return TuningTower(config)
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