Macros.cfg

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###########################################################
##                       Marcos
###########################################################
 
# https://albertogrespan.com/blog/3d-printing/klipper-on-an-ender-3/
# https://github.com/Klipper3d/klipper/blob/master/docs/G-Codes.md
# https://www.klipper3d.org/Command_Templates.html
# https://www.bondtech.se/2018/05/03/load-unload-script/
# https://github.com/albertogg/klipper-config/blob/97b36987ebfe697a084584e684897f2f1b13dea1/ender-3/printer.cfg#L194
# https://github.com/Klipper3d/klipper/blob/master/docs/G-Codes.md
# https://github.com/Desuuuu/klipper-macros
# https://albertogrespan.com/blog/3d-printing/klipper-on-an-ender-3/
# https://www.reddit.com/r/klippers/comments/kj2h5r/stepbystep_guide_for_ender_3_v2_klipper_w_bltouch/
 
# --------------------------- Start Print ----------------------------

[gcode_macro START_PRINT]
#variable_bed_temp: 50
#variable_extruder_temp: 205
gcode:
    # Home
    {% if printer.homed_axes != 'XYZ' %}
      G28		
    {% endif %}

    # Prime line
    M117 PRIME LINE
    PRIME_LINE
    
    # Print message on LCD
    M117 Start printing...

# --------------------------------------------------------------------

# --------------------------- Start Print PLA ----------------------------

[gcode_macro START_PRINT_PLA]
# variable_bed_temp: 50
# variable_extruder_temp: 210
gcode:
    {% set T_BED = params.T_BED|default(50)|float %}
    {% set T_EXTRUDER = params.T_EXTRUDER|default(210) %}
    
    # Print message on LCD
    M117 Start Homing
    
    # Use absolute coordinates
    G92
    
    # Start heating and continue
    M117 Waiting for temperature
    M140 S{T_BED}
    M109 S{T_EXTRUDER}
    M190 S{T_BED} # wait till bed temp is reached, then continue

    # Use absolute coordinates
    G90

    # Reset the G-Code Z offset (adjust Z offset if needed)
    #z_offset: 3.270
    #SET_GCODE_OFFSET Z=3.270
    START_PRINT

# --------------------------------------------------------------------

# --------------------------- Start Print PETG ----------------------------

[gcode_macro START_PRINT_PETG]
# variable_parameter_T_BED: 60
# variable_parameter_T_EXTRUDER: 225
gcode:
    {% set T_BED = params.T_BED|default(60)|float %}
    {% set T_EXTRUDER = params.T_EXTRUDER|default(225)|float %}
    
    # Use absolute coordinates
    G92
    
    # Start bed heating and continue
    M117 Waiting for temperature
    M140 S{T_BED}
    M109 S{T_EXTRUDER}
    M190 S{T_BED} # wait till bed temp is reached, then continue

    # Use absolute coordinates
    G90
    
    # Reset the G-Code Z offset (adjust Z offset if needed)
    # z_offset: 3.270
    # SET_GCODE_OFFSET Z=3.270
    START_PRINT
 
# --------------------------------------------------------------------

# ---------------------------- End Print -----------------------------

[gcode_macro END_PRINT]
variable_machine_depth: 235
gcode:
    # Relative positionning
    G91
    # Unload little filament
    G1 E-5 Z+10 F3000
    G1 E-10 F1500
    # Print message on LCD
    M117 Done printing :)
    # Turn off bed, extruder, and fan
    M140 S0
    M104 S0
    M106 S0
    M107 ; turn off fan
    # Absolute positionning
    G90
    # absolute xy
    G1 X10 Y200 F2000
    M84
    #BED_MESH_CLEAR

# --------------------------------------------------------------------

# ---------------------------- Prime Line -----------------------------

# prime the nozzle 
[gcode_macro PRIME_LINE]
gcode: 
    # Reset Extruder    
    G92 E0
    G1 Z10 F240
    # Move the nozzle very close to the bed
    G1 X2 Y10 F3000
    G1 Z0.28 F240
    # Wait for bed to reach temperature
    #M190 S{bed_temp}
    # Set and wait for nozzle to reach temperature
    #M109 S{extruder_temp}
    G1 E10 F100 # load little filament
    # Reset Extruder
    G92 E0
    # Move Z Axis up
    G1 Z2.0 F5000
    # Move to start position
    G1 X2.1 Y20 Z0.28 F300
    # Draw the first line
    G1 X2.1 Y150 Z0.28 F1500 E15
    # Move to side a little
    G1 X2.4 Y150 Z0.28 F1500.0
    # Draw the second line
    G1 X2.4 Y20 Z0.28 F1500.0 E30
    # Reset Extruder
    G92 E0
    # Move Z Axis up
    G1 Z2.0 F300
    M117 Start Printing...
 
# ---------------------------- Countdown -----------------------------

#[gcode_macro COUNTDOWN]
#default_parameter_MSG: "Time: "      
#default_parameter_TIME: 10      
#gcode:        
  # countdown 
#  {% for s in range(TIME|int, 0, -1) %}
#  # dwell 1 second
#  G4 P1000
#  # echo
#  M117 {params.MSG} {s}s
#  M118 {params.MSG} {s}s     
#  {% endfor %}

# --------------------------------------------------------------------

# ---------------------------- Load Filament -------------------------

[gcode_macro LOAD_FILAMENT]
# M701
gcode:
  SAVE_GCODE_STATE NAME=loading_filament
  M117 Loading Filament
  M83
  G92 E0.0
  LOW_TEMP_CHECK
  G1 E320 F300  # length of bowden tube till cold-end (~420mm) 
  G1 E20 F100  # some extra to prime the nozzle --> slower 
  G92 E0.0
  RESTORE_GCODE_STATE NAME=loading_filament

# --------------------------------------------------------------------

# ---------------------------- Unload Filament -----------------------

[gcode_macro UNLOAD_FILAMENT]
# M702
gcode:
  SAVE_GCODE_STATE NAME=unloading_filament
  M125 # park
  M117 Unloading Filament 
  LOW_TEMP_CHECK
  G91 # set relative
  G1 E10 F100 
  G92 E0.0
  G1 E-20 F1000
  G1 E-300 F400 # the E is the length of the bowden tube (420mm) + 100 mm. 
  G92 E0.0
  RESTORE_GCODE_STATE NAME=unloading_filament

# --------------------------------------------------------------------

# ---------------------------- Pause ---------------------------------


[gcode_macro PAUSE]
description: Pause the actual running print
rename_existing: PAUSE_BASE
# change this if you need more or less extrusion
variable_extrude: 1.0
gcode:
  ##### read E from pause macro #####
  {% set E = printer["gcode_macro PAUSE"].extrude|float %}
  ##### set park positon for x and y #####
  # default is your max posion from your printer.cfg
  {% set x_park = printer.toolhead.axis_maximum.x|float - 5.0 %}
  {% set y_park = printer.toolhead.axis_maximum.y|float - 5.0 %}
  ##### calculate save lift position #####
  {% set max_z = printer.toolhead.axis_maximum.z|float %}
  {% set act_z = printer.toolhead.position.z|float %}
  {% if act_z < (max_z - 2.0) %}
      {% set z_safe = 2.0 %}
  {% else %}
      {% set z_safe = max_z - act_z %}
  {% endif %}
  ##### end of definitions #####
  PAUSE_BASE
  G91
  {% if printer.extruder.can_extrude|lower == 'true' %}
    G1 E-{E} F2100
  {% else %}
    {action_respond_info("Extruder not hot enough")}
  {% endif %}
  {% if "xyz" in printer.toolhead.homed_axes %}
    G1 Z{z_safe} F900
    G90
    G1 X{x_park} Y{y_park} F6000
  {% else %}
    {action_respond_info("Printer not homed")}
  {% endif %}

# --------------------------------------------------------------------

# ---------------------------- Resume --------------------------------

[gcode_macro RESUME]
rename_existing: RESUME_BASE
description: Resume the actual running print
              
gcode:
  ##### read E from pause macro #####
  {% set E = printer["gcode_macro PAUSE"].extrude|float %}
  #### get VELOCITY parameter if specified ####
  {% if 'VELOCITY' in params|upper %}
    {% set get_params = ('VELOCITY=' + params.VELOCITY)  %}
  {%else %}
    {% set get_params = "" %}
  {% endif %}
  ##### end of definitions #####
  {% if printer.extruder.can_extrude|lower == 'true' %}
    G91
    G1 E{E} F2100
  {% else %}
    {action_respond_info("Extruder not hot enough")}
  {% endif %}  
  RESUME_BASE {get_params}

# --------------------------------------------------------------------

# ---------------------------- Cancel Print --------------------------

[gcode_macro CANCEL_PRINT]
description: Cancel the actual running print
rename_existing: CANCEL_PRINT_BASE
gcode:
  #TURN_OFF_HEATERS
  G91 # Set all axes to relative
  # G90 # Absolute positionning
  CANCEL_PRINT_BASE
  G1 Z10 # Raise Z more
  G1 X10 Y200 F2000 # Absolute xy
  # G1 X0 Y{machine_depth}
  M84 X Y E ; disable motors

# --------------------------------------------------------------------

# ------------------------- Filament Change --------------------------
# M600: Filament Change. This macro will pause the printer, move the
# tool to the change position, and retract the filament 50mm. Adjust
# the retraction settings for your own extruder. After filament has
# been changed, the print can be resumed from its previous position
# with the "RESUME" gcode.


#[gcode_macro FILAMENT_CHANGE1]
# M600
#default_parameter_X: 50
#default_parameter_Y: 0
#default_parameter_Z: 10
#gcode:
#    SAVE_GCODE_STATE NAME=M600_state
#    PAUSE
#    G91
#    G1 E-.8 F2700
#    G1 Z{Z}
#    G90
#    G1 X{X} Y{Y} F3000
#    G91
#    G1 E-50 F1000
#    RESTORE_GCODE_STATE NAME=M600_state
    

# filament change 
[gcode_macro FILAMENT_CHANGE]
# M600
gcode:
  M117 Filament Change
  M118 Filament Change
  SAVE_GCODE_STATE NAME=filament_change
  PAUSE
  LOW_TEMP_CHECK
  G91 # relative
  G1 E-1 F300 # retract 1
  M125 # park
  M702 # unload
  M117 New filament
  M118 New filament
  COUNTDOWN TIME=25 MSG="Switch"
  M701
  COUNTDOWN TIME=10 MSG="Clean"
  RESUME
  M117 Resuming
  M118 Resuming
  RESTORE_GCODE_STATE NAME=filament_change
  M117 Printing..
  M118 Printing..

# --------------------------------------------------------------------

# ------------------------- Motors Off -------------------------------

[gcode_macro MOTORS_OFF] 
gcode:
  M84 X Y E ; disable motors

# --------------------------------------------------------------------

# ------------------------- Bed Mesh Calibrate -----------------------

#[gcode_macro CALIBRATE]
#gcode:
#  G28
#  M118 Start clibrating...
#  BED_MESH_CALIBRATE
#  G0 X0 Y0 Z10 F6000
#  BED_MESH_PROFILE save=default
#  SAVE_CONFIG

[gcode_macro CALIBRATE]
gcode:
  G28
  {% set t = params.T|default(0)|float %}

  {% if printer.idle_timeout.state == "Printing" %}
    {action_respond_info("This command cannot be used while printing")}
  {% elif printer.toolhead.homed_axes != "xyz" %}
    {action_respond_info("Please home XYZ first")}
  {% else %}
    SAVE_GCODE_STATE NAME=G29_state
    # G90
    # G1 Z10 F240
    {% if t > 30.0 %}
      M190 S{t}
    {% endif %}
    BED_MESH_CALIBRATE
    {% if 'S' in params %}
      M140 S{params.S}
    {% endif %}
    G28
    BED_MESH_CALIBRATE
    #G90
    #G1 Z10 F240
    G1 X150 Y155 F6000
    BED_MESH_PROFILE save=default
    RESTORE_GCODE_STATE NAME=G29_state MOVE=0
  {% endif %}

#--------------------------------------------------------------------

# ------------------------- Low Temp Check --------------------------
# LOW_TEMP_CHECK checks if there is a setpoint for the  extruder. Untested! 
# - If this setpoint is reached, continue. 
# - If not, heat to setpoint.
# - If no setpoint, heat to parameter T (default@200)
[gcode_macro LOW_TEMP_CHECK]
gcode:
    {% set T_EXTRUDER = params.T_EXTRUDER|default(205) %}
    {% if printer.extruder.target != 0 %} # if there is a setpoint for extruder
        {% if printer.extruder.temperature < printer.extruder.target %} # if not reached, heat
            M118 Heating from {printer.extruder.temperature} to {printer.extruder.target}.
            M109 S{printer.extruder.target|float} 
        {% endif %}
    {% else %} # if no setpoint for extruder
        {% if printer.extruder.target < T_EXTRUDER %}  # heat to T.
            M118 No setpoint, heating to {T_EXTRUDER}.
            M109 S{T_EXTRUDER}
        {% endif %}
    {% endif %}