Macro, add test_speed
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# __ ______ ___ ____ _____
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# \ \ / / ___/ _ \| _ \| ____|
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# \ \ / / | | | | | |_) | _|
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# \ V /| |__| |_| | _ <| |___
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# \_/ \____\___/|_| \_\_____| 3.1
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# Standalone 300 Setup.
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#
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#####################################################################
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# TEST SPEED (AndrewEllis93)
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#####################################################################
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# Src : https://github.com/AndrewEllis93/Print-Tuning-Guide/blob/main/articles/determining_max_speeds_accels.md#usage-of-the-test_speed-macro
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# Example: TEST_SPEED SPEED=300 ACCEL=5000 ITERATIONS=10
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# This macro do Home, get position, throw around toolhead, home again.
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#
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# Determining if Skipping Occured
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#
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# 1) Inspect the g-code terminal output :
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# > Compare the numbers for the X and Y steppers for the first and second homing. (mcu: stepper_x:111111 stepper_y:-22)
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# > These numbers represent the microstep position of the toolhead at X/Y max position.
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#
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# 2) Ensure that the difference between these numbers has not exceeded a full step.
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# > For example, I am running microsteps of 32 for my A and B motors. I would ensure that the values for each axis have not changed by more than 32.
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# > If the number has deviated more than this, that means that the corresponding axis has likely skipped.
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# > Measuring to a full step just accounts for a bit of endstop inaccuracy. It does not necessarily mean that any microsteps were lost.
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# > For hall effect endstops, you may need to measure to a few full steps. They can be bit less accurate, and they thermally drift.
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[gcode_macro TEST_SPEED]
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gcode:
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# Speed
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{% set speed = params.SPEED|default(printer.configfile.settings.printer.max_velocity)|int %}
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# Iterations
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{% set iterations = params.ITERATIONS|default(5)|int %}
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# Acceleration
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{% set accel = params.ACCEL|default(printer.configfile.settings.printer.max_accel)|int %}
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# Bounding inset for large pattern (helps prevent slamming the toolhead into the sides after small skips, and helps to account for machines with imperfectly set dimensions)
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{% set bound = params.BOUND|default(20)|int %}
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# Size for small pattern box
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{% set smallpatternsize = SMALLPATTERNSIZE|default(20)|int %}
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# Large pattern
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# Max positions, inset by BOUND
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{% set x_min = printer.toolhead.axis_minimum.x + bound %}
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{% set x_max = printer.toolhead.axis_maximum.x - bound %}
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{% set y_min = printer.toolhead.axis_minimum.y + bound %}
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{% set y_max = printer.toolhead.axis_maximum.y - bound %}
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# Small pattern at center
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# Find X/Y center point
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{% set x_center = (printer.toolhead.axis_minimum.x|float + printer.toolhead.axis_maximum.x|float ) / 2 %}
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{% set y_center = (printer.toolhead.axis_minimum.y|float + printer.toolhead.axis_maximum.y|float ) / 2 %}
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# Set small pattern box around center point
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{% set x_center_min = x_center - (smallpatternsize/2) %}
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{% set x_center_max = x_center + (smallpatternsize/2) %}
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{% set y_center_min = y_center - (smallpatternsize/2) %}
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{% set y_center_max = y_center + (smallpatternsize/2) %}
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# Save current gcode state (absolute/relative, etc)
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SAVE_GCODE_STATE NAME=TEST_SPEED
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# Output parameters to g-code terminal
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{ action_respond_info("TEST_SPEED: starting %d iterations at speed %d, accel %d" % (iterations, speed, accel)) }
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# Home and get position for comparison later:
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G28
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# QGL if not already QGLd (only if QGL section exists in config)
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{% if printer.configfile.settings.quad_gantry_level %}
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{% if printer.quad_gantry_level.applied == False %}
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QUAD_GANTRY_LEVEL
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G28 Z
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{% endif %}
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{% endif %}
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# Move 50mm away from max position and home again (to help with hall effect endstop accuracy - https://github.com/AndrewEllis93/Print-Tuning-Guide/issues/24)
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G90
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G1 X{printer.toolhead.axis_maximum.x-50} Y{printer.toolhead.axis_maximum.y-50} F{30*60}
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G28 X Y
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G0 X{printer.toolhead.axis_maximum.x-1} Y{printer.toolhead.axis_maximum.y-1} F{30*60}
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G4 P1000
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GET_POSITION
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# Go to starting position
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G0 X{x_min} Y{y_min} Z{bound + 10} F{speed*60}
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# Set new limits
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SET_VELOCITY_LIMIT VELOCITY={speed} ACCEL={accel} ACCEL_TO_DECEL={accel / 2}
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{% for i in range(iterations) %}
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# Large pattern
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# Diagonals
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G0 X{x_min} Y{y_min} F{speed*60}
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G0 X{x_max} Y{y_max} F{speed*60}
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G0 X{x_min} Y{y_min} F{speed*60}
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G0 X{x_max} Y{y_min} F{speed*60}
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G0 X{x_min} Y{y_max} F{speed*60}
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G0 X{x_max} Y{y_min} F{speed*60}
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# Box
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G0 X{x_min} Y{y_min} F{speed*60}
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G0 X{x_min} Y{y_max} F{speed*60}
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G0 X{x_max} Y{y_max} F{speed*60}
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G0 X{x_max} Y{y_min} F{speed*60}
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# Small pattern
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# Small diagonals
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G0 X{x_center_min} Y{y_center_min} F{speed*60}
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G0 X{x_center_max} Y{y_center_max} F{speed*60}
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G0 X{x_center_min} Y{y_center_min} F{speed*60}
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G0 X{x_center_max} Y{y_center_min} F{speed*60}
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G0 X{x_center_min} Y{y_center_max} F{speed*60}
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G0 X{x_center_max} Y{y_center_min} F{speed*60}
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# Small box
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G0 X{x_center_min} Y{y_center_min} F{speed*60}
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G0 X{x_center_min} Y{y_center_max} F{speed*60}
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G0 X{x_center_max} Y{y_center_max} F{speed*60}
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G0 X{x_center_max} Y{y_center_min} F{speed*60}
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{% endfor %}
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# Restore max speed/accel/accel_to_decel to their configured values
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SET_VELOCITY_LIMIT VELOCITY={printer.configfile.settings.printer.max_velocity} ACCEL={printer.configfile.settings.printer.max_accel} ACCEL_TO_DECEL={printer.configfile.settings.printer.max_accel_to_decel}
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# Re-home and get position again for comparison:
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G28
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# Go to XY home positions (in case your homing override leaves it elsewhere)
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G90
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G0 X{printer.toolhead.axis_maximum.x-1} Y{printer.toolhead.axis_maximum.y-1} F{30*60}
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G4 P1000
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GET_POSITION
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# Restore previous gcode state (absolute/relative, etc)
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RESTORE_GCODE_STATE NAME=TEST_SPEED
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#####################################################################
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# SPEED LOOP
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#####################################################################
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[gcode_macro RESETSPEEDS]
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gcode:
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SET_VELOCITY_LIMIT VELOCITY={printer.configfile.settings.printer.max_velocity}
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SET_VELOCITY_LIMIT ACCEL={printer.configfile.settings.printer.max_accel}
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SET_VELOCITY_LIMIT ACCEL_TO_DECEL={printer.configfile.settings.printer.max_accel_to_decel}
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SET_VELOCITY_LIMIT SQUARE_CORNER_VELOCITY={printer.configfile.settings.printer.square_corner_velocity}
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#--------------------------------------------------------------------
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[gcode_macro SPEED_LOOP]
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gcode:
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MAYBE_HOME
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{% set vel = (300,400,500) %} # set velocity values to be tested (mm/s)
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{% set accel = (5000,9000,13000) %} # set accel values to be tested (mm/s^2)
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{% set min = 40 %} # set the square lower left point
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{% set max = 260 %} # set the square upper right corner
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G1 X{min} Y{min} F5000
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{% for V in vel %}
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{% set machineVel = V*60 %}
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{% for A in accel %}
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M118 velocity:{V}mm/s, accel:{A}mm/s^2
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SET_VELOCITY_LIMIT VELOCITY={V}
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SET_VELOCITY_LIMIT ACCEL={A}
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SET_VELOCITY_LIMIT ACCEL_TO_DECEL={A}
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G1 X{max} Y{min} F{machineVel}
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G1 X{max} Y{max}
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G1 X{min} Y{min}
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G1 X{min} Y{max}
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G1 X{max} Y{min}
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G1 X{max} Y{min}
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G1 X{max} Y{max}
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G1 X{min} Y{max}
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G1 X{min} Y{min}
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G4 P1000
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{% endfor %}
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{% endfor %}
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RESETSPEEDS
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#--------------------------------------------------------------------
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[gcode_macro RESETSPEEDS]
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gcode:
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SET_VELOCITY_LIMIT VELOCITY={printer.configfile.settings.printer.max_velocity}
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SET_VELOCITY_LIMIT ACCEL={printer.configfile.settings.printer.max_accel}
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SET_VELOCITY_LIMIT ACCEL_TO_DECEL={printer.configfile.settings.printer.max_accel_to_decel}
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SET_VELOCITY_LIMIT SQUARE_CORNER_VELOCITY={printer.configfile.settings.printer.square_corner_velocity}
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