globals.cfg

# Copyright (C) 2022 Justin Schuh <code@justinschuh.com>
#
# This file may be distributed under the terms of the GNU GPLv3 license.

################################################################################
#
# Declare any of the below variables in your own [gcode_macro _km_options] to
# to override the values here.
#
# DO NOT CHANGE ANYTHING IN THIS FILE!!!
#
# This file handles the initialization for all the macros, and difficult to
# diagnose errors will result from unexpected values or code changes.
#
################################################################################
[gcode_macro _km_globals]
# Available bed surfaces for offset adjustments.
variable_bed_surface_max_name_length: 10
# Available bed surfaces for offset adjustments.
variable_bed_surfaces: ['default']
# Length (in mm) of filament to load (bowden tubes will be longer).
variable_load_length: 90.0
# Global minimum extruder temp for loading (default: min_extrude_temp + 5).
variable_load_min_temp: 0
# Length (in mm) of the filament loading that feeds at priming speed.
variable_load_priming_length: 25.0
# Filament priming speed (in mm/m).
variable_load_priming_speed: 150
# Filament loading speed (in mm/m).
variable_load_speed: 300
# Set to False to hide the Octoprint LCD menus.
variable_menu_show_octoprint: True
# Set to False to hide the SD Card LCD menus.
variable_menu_show_sdcard: True
# List up to 10 pre-heat settings in order for the LCD "Temperature" menu
variable_menu_temperature: [
  {'name' : 'PLA',  'extruder' : 200, 'bed' : 60},
  {'name' : 'PETG', 'extruder' : 230, 'bed' : 85},
  {'name' : 'ABS',  'extruder' : 245, 'bed' : 110}]
# X position to park toolhead (set "max" or "min" to infer from stepper config).
variable_park_x: 0.0
# Y position to park toolhead (set "max" or "min" to infer from stepper config).
variable_park_y: 0.0
# Z position to park toolhead (set "max" or "min" to infer from stepper config).
variable_park_z: 20.0
# Minimum printable XY coordinate. Defaults to X and Y position_min.
variable_print_min: () # example: (0, 0)
# Maximum printable XY coordinate. Defaults to X and Y position_max.
variable_print_max: () # example: (220, 220)
# Scaling factor for M900 command (negative values make M900 a no-op).
variable_pressure_advance_scale: -1.0
# Additional padding around the specified print area for a bed mesh.
variable_probe_mesh_padding : 5.0
# Minimum number of probes for partial probing of a bed mesh.
variable_probe_min_count: 3
# Scaling factor to increase probe count for partial bed probes.
variable_probe_count_scale: 1.0
# Additional delay (in ms) during bed heating, to allow the bed to stabilize.
variable_start_bed_heat_delay: 2000
# Amount (in degrees C) to overshoot bed target temp before stabilizing.
variable_start_bed_heat_overshoot: 2.0
# Set to clear adjustments (e.g. feedrate, extrusion, heater) at end of print.
variable_start_clear_adjustments_at_end: True
# Final Y position of toolhead in PRINT_END. Defaults to print_max Y.
variable_start_end_park_y: 0.0
# Extruder scale factor during pre-warmup in PRINT_START.
variable_start_extruder_preheat_scale: 0.5
# If non-zero the extruder will stabilize at this temp before probing the bed.
variable_start_extruder_probing_temp: 0
# Set to rehome Z in PRINT_START after bed temp stabilizes; False to disable.
variable_start_home_z_at_temp: True
# Set to level bed in PRINT_START after bed temp stabilizes; False to disable.
variable_start_level_bed_at_temp: True
# Distance (in millimeters) between the purge lines and the print area.
variable_start_purge_clearance: 2.0
# Length of filament (in millimeters) to purge at print start.
variable_start_purge_length: 0.0 # 30 is a good starting point.
# Length of filament (in millimeters) to prime before drawing purge lines.
variable_start_purge_prime_length: 12.0
# Level gantry in PRINT_START after bed temp stabilizes; False to disable.
variable_start_quad_gantry_level_at_temp: True
# Maximum distance to relocate print in random XY location to reduce bed wear.
variable_start_random_placement_max: 0
# The relocation will be at least this far from the printable edge of the bed.
variable_start_random_placement_padding: 10.0
# Skip level and load saved mesh for current sheet (if found); False to disable.
variable_start_try_saved_surface_mesh: False
# Adjust Z tilt in PRINT_START after bed temp stabilizes; False to disable.
variable_start_z_tilt_adjust_at_temp: True
# X and Y travel speed (in mm/m) for movement macros.
variable_travel_speed_xy: 3000
# Z travel speed in (mm/m) for movement macros.
variable_travel_speed_z: 600
# Value to scale acceleration by when setting ACCEL_TO_DECEL in M204, etc.
variable_velocity_decel_scale: 0.5
################################################################################
description: Initializes our globals, including any _km_options overrides.
gcode:
  # Doing a shutdown here is a bit aggressive, but if we're missing required
  # sections then a lot of things could go very bad later.
  # To minimize the annoyance we try to identify all the fatal errors at once.
  # format is:
  #   key = required config section
  #   value[0] = required field in section
  #   value[1] = required string in field
  #   A "None" value means there's no required field
  {% set required_sections = {"heater_bed" : None,
                              "extruder" : None,
                              "gcode_macro _km_options" : None,
                              "idle_timeout" : ("gcode", "_KM_IDLE_TIMEOUT"),
                              "pause_resume" : None,
                              "respond" : None,
                              "save_variables" : None,
                              "virtual_sdcard" :
                                ("on_error_gcode", "CANCEL_PRINT")
                             } %}
  {% set custom_error = {
    "start_extruder_set_target_before_level" :
      "The start_extruder_set_target_before_level option has been removed. "
      "Use the start_extruder_probing_temp option instead to set a fixed "
      "probing temperature.",
    "start_gcode_before_print" :
      "The start_gcode_before_print option has been removed. The same effect "
      "can now be achieved by inserting custom gcode before the "
      "_PRINT_START_PHASE_PURGE line in your slicer's start gcode, or by "
      "wrapping the _PRINT_START_PHASE_PURGE macro. See the Slicer "
      "Configuration section in the readme for more information."
  } %}
  {% set output = [] %}
  {% for s in required_sections %}
    {% set f = required_sections[s][0] if required_sections[s] else None %}
    {% set v = required_sections[s][1] if required_sections[s] else None %}
    {% if s not in printer.configfile.config %}
      {% set dummy = output.append("Missing [%s] section.\n" | format(s)) %}
    {% elif f and
            (v not in printer.configfile.config[s][f]|default("")|upper) %}
      {% set dummy = output.append("Missing %s in %s for [%s] section.\n"
                                   | format(v, f, s)) %}
    {% endif %}
  {% endfor %}
  {% if output %}
    { action_emergency_stop((
        "required printer.cfg section(s) missing:\n"
        ~ output | join("\n")) ~
        "See readme: https://github.com/jschuh/klipper-macros\x23klipper-setup")
    }
  {% endif %}

  # These are all set to their defaults based on config options:
  SET_GCODE_VARIABLE MACRO=_km_globals VARIABLE=start_level_bed_at_temp VALUE="{
    1 if printer.bed_mesh is defined else 0}"
  SET_GCODE_VARIABLE MACRO=_km_globals VARIABLE=start_quad_gantry_level_at_temp VALUE="{
    1 if printer.quad_gantry_level is defined else 0}"
  SET_GCODE_VARIABLE MACRO=_km_globals VARIABLE=start_z_tilt_adjust_at_temp VALUE="{
    1 if printer.z_tilt is defined else 0}"
  {% set toolhead = printer.toolhead %}
  SET_GCODE_VARIABLE MACRO=_km_globals VARIABLE=print_min VALUE="{
    (toolhead.axis_minimum.x, toolhead.axis_minimum.y)}"
  SET_GCODE_VARIABLE MACRO=_km_globals VARIABLE=print_max VALUE="{
    (toolhead.axis_maximum.x, toolhead.axis_maximum.y)}"
  SET_GCODE_VARIABLE MACRO=_km_globals VARIABLE=start_end_park_y VALUE="{
    toolhead.axis_maximum.y}"
  {% set settings = printer.configfile.settings %}
  SET_GCODE_VARIABLE MACRO=_km_globals VARIABLE=start_home_z_at_temp VALUE="{
    1 if ("stepper_z" in settings and
          settings.stepper_z.endstop_pin.split()|join("")|lower ==
            "probe:z_virtual_endstop") else 0}"

  {% set options = printer["gcode_macro _km_options"] %}
  {% set km = printer["gcode_macro _km_globals"] %}

  # Allow placeholders for parking positions.
  {% if options.park_x|default("")|string|lower == "min" %}
    {% set dummy = options.__setitem__("park_x",
                      printer.configfile.settings.stepper_x.position_min) %}
  {% elif options.park_x|default("")|string|lower == "max" %}
    {% set dummy = options.__setitem__("park_x",
                      printer.configfile.settings.stepper_x.position_max) %}
  {% endif %}
  {% if options.park_y|default("")|string|lower == "min" %}
    {% set dummy = options.__setitem__("park_y",
                      printer.configfile.settings.stepper_y.position_min) %}
  {% elif options.park_y|default("")|string|lower == "max" %}
    {% set dummy = options.__setitem__("park_y",
                      printer.configfile.settings.stepper_y.position_max) %}
  {% endif %}
  {% if options.park_z|default("")|string|lower == "min" %}
    {% set dummy = options.__setitem__("park_z",
                      printer.configfile.settings.stepper_z.position_min) %}
  {% elif options.park_z|default("")|string|lower == "max" %}
    {% set dummy = options.__setitem__("park_z",
                      printer.configfile.settings.stepper_z.position_max) %}
  {% endif %}

  # Force overrides to use the original types in _KM_GLOBALS.
  {% for k in options %}
    {% if k not in km %}
      {% if k in custom_error %}
        {% set dummy = output.append(custom_error[k]) %}
      {% else %}
        {% set dummy = output.append("%s is not valid for _KM_OPTIONS." |
                         format(k)) %}
      {% endif %}
    {% elif km[k] is string %}
      SET_GCODE_VARIABLE MACRO=_km_globals VARIABLE={k
        } VALUE="'{options[k]|replace('\\','\\\\')|replace('\'','\\\'')
                             |replace('\"','\\\"')}'"
    {% elif km[k] is float %}
      SET_GCODE_VARIABLE MACRO=_km_globals VARIABLE={k
        } VALUE="{options[k]|float}"
    {% elif km[k] is integer or km[k] is boolean %}
      SET_GCODE_VARIABLE MACRO=_km_globals VARIABLE={k} VALUE="{options[k]|int}"
    {% elif km[k] is mapping %}
      {% if options[k] is not mapping %}
        {% set dummy = output.append("%s requires a mapping type." |
                         format(k)) %}
      {% endif %}
      SET_GCODE_VARIABLE MACRO=_km_globals VARIABLE={k
        } VALUE="{options[k]|replace('\"','\\\"')}"
    {% elif km[k] is sequence %}
      {% if options[k] is not sequence %}
        {% set dummy = output.append("%s requires a sequence type." |
                         format(k)) %}
      {% endif %}
      SET_GCODE_VARIABLE MACRO=_km_globals VARIABLE={k
        } VALUE="{options[k]|replace('\"','\\\"')}"
    {% else %}
      {% set dummy = output.append("%s is not a valid type for _KM_OPTIONS." |
                        format(k)) %}
    {% endif %}
  {% endfor %}

  # Defaults that can alias to a user override.
  {% if "print_max" in options and "start_end_park_y" not in options %}
    SET_GCODE_VARIABLE MACRO=_km_globals VARIABLE=start_end_park_y VALUE="{
      options.print_max[1] }"
  {% endif %}

  {% if "homing_override" in printer.configfile.config %}
    {% for l in printer.configfile.config.homing_override.gcode.split("\n") %}
        {% if " g28 " in (" " ~ l.split("\x23")[0].split(";")[0]|lower ~ " ") %}
          {% set dummy = output.append(
              "G28 in [homing_override] gcode. Replace with G28.6245197 to "
              "fix recursive macro call.\n"
              "See readme: https://github.com/jschuh/klipper-macros\x23g28") %}
        {% endif %}
    {% endfor %}
  {% endif %}
  SET_GCODE_VARIABLE MACRO=check_km_config VARIABLE=load_errors VALUE="{
    output|replace('\"','\\\"')}"
  M400

[delayed_gcode INIT_GLOBALS]
# This runs once at startup and initializes all macros.
initial_duration: 1
gcode:
  _KM_GLOBALS
  # This needs to be its own macro so it gets evaluated after _KM_GLOBALS runs.
  CHECK_KM_CONFIG
  _INIT_SURFACES
  BED_MESH_CHECK
  # Sets the default drawing parameters.
  SET_DRAW_PARAMS WIDTH="{printer.configfile.settings.extruder.nozzle_diameter}"
  # This is any end-user gcode that need to run after macro initialization.
  _KM_OPTIONS

[gcode_macro check_km_config]
variable_load_errors: []
description: Checks global variables and throws an error on any invalid values.
  Does nothing if the config has no errors.
gcode:
  {% set km = printer["gcode_macro _km_globals"] %}
  {% set toolhead = printer.toolhead %}
  {% set output = load_errors %}
  {% if km.park_x > toolhead.axis_maximum.x or
        km.park_x < toolhead.axis_minimum.x %}
    {% set dummy = output.append("park_x is invalid.") %}
  {% endif %}
  {% if km.park_y > toolhead.axis_maximum.y or
        km.park_y < toolhead.axis_minimum.y %}
    {% set dummy = output.append("park_y is invalid.") %}
  {% endif %}
  {% if km.park_z > toolhead.axis_maximum.z or
        km.park_z < toolhead.axis_minimum.z %}
    {% set dummy = output.append("park_z is invalid.") %}
  {% endif %}
  {% if km.print_max[0] > toolhead.axis_maximum.x or
        km.print_max[1] > toolhead.axis_maximum.y %}
    {% set dummy = output.append("print_max is invalid.") %}
  {% endif %}
  {% if km.print_min[0] < toolhead.axis_minimum.x or
        km.print_min[1] < toolhead.axis_minimum.y %}
    {% set dummy = output.append("print_min is invalid.") %}
  {% endif %}
  {% if km.start_extruder_preheat_scale > 1.0 or
        km.start_extruder_preheat_scale < 0.0 %}
    {% set dummy = output.append("extruder_preheat_scale is invalid.") %}
  {% endif %}
  {% if km.load_length > 
        printer.configfile.settings["extruder"].max_extrude_only_distance %}
    {% set dummy = output.append(
      "load_length exceeds max_extrude_only_distance.") %}
  {% endif %}
  {% if km.load_length < km.load_priming_length %}
    {% set dummy = output.append(
      "load_length is shorter than load_priming_length.") %}
  {% endif %}
  {% if km.load_length < 0.0 %}
    {% set dummy = output.append("load_length is negative.") %}
  {% endif %}
  {% if km.load_priming_length < 0.0 %}
    {% set dummy = output.append("load_priming_length is negative.") %}
  {% endif %}

  # Emit all the config errors.
  {% if output %}
    { action_raise_error(output|sort|join('\nError: ')) }
  {% endif %}
  M400

[gcode_macro kmvars]
description: Lists global variables used by klipper-macros.
  Usage: KMVARS [SEARCH=<search_string>]
gcode:
  {% set SEARCH = params.SEARCH|default(params.S|default(""))|lower %}
  {% set km = printer["gcode_macro _km_globals"] %}
  {% set output = [] %}
  {% for k in km %}
    {% if SEARCH in k %}
      {% set dummy = output.append(k ~ ": " ~ km[k]) %}
    {% endif %}
  {% endfor %}
  { action_respond_info(output|sort|join('\n')) }

[gcode_macro check_macro_docs]
description: Lists macros lacking proper documentation.
  Usage: CHECK_MACRO_DOCS [USAGE=<0|1>] [HIDDEN=<1|0>] [RENAMED=<1|0>]
gcode:
  {% set USAGE = params.USAGE|default(0)|int %}
  {% set HIDDEN = params.HIDDEN|default(0)|int %}
  {% set RENAMED = params.RENAMED|default(0)|int %}
  {% set output = [] %}
  {%set config = printer.configfile.config %}
  {% for k in config|sort %}
    {% if k.startswith("gcode_macro") %}
      {% set name = k.split()[1] %}
      {% set desc = config[k].description|default("") %}
      {% set is_renamed = config[k].rename_existing|default("") %}
      {% if (not desc or (USAGE and not "Usage: "~name.upper() in desc)) and
             (HIDDEN or not name.startswith('_')) and (RENAMED or is_renamed) %}
        {% set dummy = output.append("%s&nbsp;%s: missing %s."
           | format("*" if is_renamed else "&nbsp;", name,
                    "description" if not desc else "usage")) %}
      {% endif %}
    {% endif %}
  {% endfor %}
  {action_respond_info(output|join("\n"))}

# The below macro is a lightly edited version of the one found here:
# https://klipper.discourse.group/t/example-search-printer-objects/164
[gcode_macro listvars]
description: Lists per-macro variables with a name containing SEARCH. This is 
  useful for debugging macros by allowing you to probe printer state. Be very
  careful, however, as an overly broad SEARCH parameter can take a long time
  to process and potentially hang or crash klipper.
  Usage: LISTVARS SEARCH=<search_string>
gcode:

  {% if 'SEARCH' not in params and 'S' not in params %}
    { action_raise_error("Must provide a SEARCH parameter.") }
  {% endif %}
  {% set SEARCH = params.SEARCH|default(params.S)|lower %}
  {% set ns = namespace() %}
  {% set output = [] %}
  {% for item in printer %}
    {% if item is not string %}
      {% set ns.path = ['printer', "[%s]" % (item|string), ''] %}
    {% elif ' ' in item %}
      {% set ns.path = ['printer', "['%s']" % (item), ''] %}
    {% else %}
      {% set ns.path = ['printer.', item, ''] %}
    {% endif %}

    {% if SEARCH in ns.path|lower %}
      {% set dummy = output.append(ns.path|join) %}
    {% endif %}

    {% if printer[item].items() %}
      {% for childkey, child in printer[item].items() recursive %}
          {% set ns.path = ns.path[:loop.depth|int + 1] %}
          {% if childkey is not string %}
            {% set null = ns.path.append("[%s]" % (childkey|string)) %}
          {% elif ' ' in childkey %}
            {% set null = ns.path.append("['%s']" % (childkey)) %}
          {% else %}
            {% set null = ns.path.append(".%s" % (childkey)) %}
          {% endif %}

          {% if child is mapping  %}
            {loop(child.items())}
          {% else %}
            {% if SEARCH in ns.path|lower %}
              {% set dummy = output.append("%s : %s" % (ns.path|join, child)) %}
            {% endif %}
          {% endif %}
        {% endfor %}
    {% endif %}
  {% endfor %}
  { action_respond_info(output|join("\n")) }

[gcode_macro list_macros]
description: Lists registered macros (and optionally show variable state).
  Usage: LISTVARS SEARCH=<search_string> VARS=<0|1>
variable_macros: {}
gcode:
  {% set SEARCH = params.SEARCH | default(params.S) | default("") | lower %}
  {% set VARS = params.VARS | default(params.V) | default(0) | int != 0 %}

  # Load the config state once and save it.
  {% if not macros %}
    {% set renames = {} %}
    {% for k in printer.configfile.config %}
      {% if k.lower().startswith("gcode_macro") and
            printer.configfile.config[k].rename_existing %}
          {% set name = k.split(None, 1)[1] | lower %}
          {% set dummy = renames.__setitem__(name,
                          [printer.configfile.config[k].rename_existing] +
                          (renames[name] if name in renames else [])) %}
      {% endif %}
    {% endfor %}
    {% for k in printer %}
      {% if k.lower().startswith("gcode_macro") %}
        {% set name = k.split(None, 1)[1] | lower %}
        {% set dummy = macros.__setitem__(k, renames[name] if renames[name] else
                                          []) %}
      {% endif %}
    {% endfor %}
  {% endif %}

  {% set output = [] %}
  {% for k in macros %}
    {% if SEARCH in k | lower %}
      {% set line = k.split(None, 1)[1] %}
      {% if macros[k] %}
        {% set line = "%s (renames: %s)" % (line, macros[k] | join(",")) %}
      {% endif %}
      {% set outvars = [] %}
      {% if VARS %}
        {% for v in printer[k] | sort %}
          {% set dummy = outvars.append(
                           "\n* %s: %s" % (v, printer[k][v]|string)) %}
        {% endfor %}
      {% endif %}
      {% set dummy = output.append(line + outvars | join("")) %}
    {% endif %}
  {% endfor %}
  { action_respond_info(output | sort | join("\n")) }