fan_macros.cfg

########################################
##          Fan Macros
########################################

# Start Pi temp monitoring loop.
[delayed_gcode skirt_fan_boot]
initial_duration: 1.0
gcode:
  {% if printer.print_stats.state|lower != "printing" %}
    SET_FAN_SPEED FAN=controller_fan SPEED=0.5
  {% else %}
    SET_FAN_SPEED FAN=controller_fan SPEED=0.3 #just so I can see if this is getting called
  {% endif %}
  UPDATE_DELAYED_GCODE ID=skirt_fan DURATION=5

# Pi temperature monitoring loop. Check temp every 5 minutes & turn on skirt fans if too hot. Turn off if cool.
[delayed_gcode skirt_fan]
gcode:
  {% if printer.print_stats.state|lower != "printing" %}
    {% if printer['temperature_sensor RPi'].temperature >= 50 %}
      SET_FAN_SPEED FAN=controller_fan SPEED=0.3
    {% elif  printer['temperature_sensor RPi'].temperature < 40 %}
      SET_FAN_SPEED FAN=controller_fan SPEED=0
    {% endif %}
  {% else %}
    SET_FAN_SPEED FAN=controller_fan SPEED=0.3
  {% endif %}
  UPDATE_DELAYED_GCODE ID=skirt_fan DURATION=300

## dummy output to get an switch in Mainsail
## any unused mcu pin can be defined you will not connect anything
## as I use the rPi as mcu I will use a pin from it
## Off -> M106 will update fan
## On -> M106 can not uodate fan
[output_pin lock_M106]
pin: rpi: gpio16
value:0

# M106 with lock and manual set feature
# M106 S128 M1 will update the fan in any case
[gcode_macro M106]
description: set fan with manual override and lock option
rename_existing: M106.1
gcode:
  {% if printer['output_pin lock_M106'].value|int == 0 or params.M|default(0) == '1' %}
    M106.1 {rawparams}
  {% else %}
    {action_respond_info("M106 update is locked")}
  {% endif %}
  
[gcode_macro M141]
description: Set temperature of chamber fan
gcode: SET_TEMPERATURE_FAN_TARGET temperature_fan=chamber target={params.S|default(0)}
    
[gcode_macro _SET_FILTER]
description: Helper: Set Filter filter speed
gcode: SET_FAN_SPEED FAN=filter SPEED={params.S|default(0)}

[gcode_macro _FILTER_ON]
description: Helper: Filter on
gcode: _SET_FILTER S={printer['gcode_macro _USER_VARIABLE'].peripheral.filter.on_val}
  
[gcode_macro FILTER]
description: Toggle Filter fan
gcode:
  {% if printer['fan_generic filter'].speed|float > 0.0 %} _SET_FILTER {% else %} _FILTER_ON {% endif %}
  _FILTER_INFO

[delayed_gcode _DELAY_FILTER_OFF]
gcode:
  {% if printer.print_stats.state|lower != "paused" and printer.print_stats.state|lower != "printing" %}
    _SET_FILTER
    _FILTER_INFO
  {% endif %}

##  Chamber Ventilation Control in Mainsail
[gcode_macro VENT]
description: Toggle Chamber fan
gcode:
    {% if printer['temperature_fan chamber'].target|float > 0 and 
          printer['temperature_fan chamber'].target|float <= printer['gcode_macro _USER_VARIABLE'].peripheral.vent.on_val|float %}
        M141
    {% else %}
        M141 S{printer['gcode_macro _USER_VARIABLE'].peripheral.vent.on_val}
    {% endif %}
    _VENT_INFO

[delayed_gcode _DELAY_VENT_OFF]
gcode:
  {% if printer.print_stats.state|lower != "paused" and printer.print_stats.state|lower != "printing" %}
    M141
    _VENT_INFO
  {% endif %}

[gcode_macro _VENT_INFO]
description: Helper: Print chamber fan temperature
gcode:
  {% set txt = "off" if printer['temperature_fan chamber'].target == 0 
          else "target temp: %2dC" % printer['temperature_fan chamber'].target %}
  {action_respond_info("Chamber fan %s" % txt)}
    
[gcode_macro _FILTER_INFO]
description: Helper: Print Filter speed
gcode: {action_respond_info("Filter fan %s" % 'on' if printer['fan_generic filter'].speed|float > 0.0 else 'off')}