light.cfg

[gcode_macro LIGHT]
description: Toggle or set a boolean/analog output pin (abstracted as STATE 0/1)

# The name of the pin responsible with lights
variable_pin_name: "light"

# Either [] for boolean (0/1), or [off_value, on_value] for analog abstraction
# Example: [0.0, 0.6]
variable_pin_analog_values: []

gcode:
    {% set pin = pin_name %}
    {% set analog = pin_analog_values %}
    {% set current = printer["output_pin " ~ pin].value|float %}

    # Determine target values for OFF/ON
    {% if analog|length == 2 %}
        {% set off_val = analog[0]|float %}
        {% set on_val  = analog[1]|float %}
    {% else %}
        {% set off_val = 0.0 %}
        {% set on_val  = 1.0 %}
    {% endif %}

    # Map current physical value to an abstract state (0/1) for toggling
    {% set mid = (off_val + on_val) / 2.0 %}
    {% set current_state = 1 if current >= mid else 0 %}

    {% if 'STATE' in params %}
        {% set state = params.STATE|int %}
        {% if state == 0 or state == 1 %}
            {% set target = on_val if state == 1 else off_val %}
            SET_PIN PIN={pin} VALUE={target}
            {% if state == 1 %}
                RESPOND PREFIX=LIGHT MSG="Lights ON"
            {% else %}
                RESPOND PREFIX=LIGHT MSG="Lights OFF"
            {% endif %}
        {% else %}
            RESPOND PREFIX=LIGHT MSG="Invalid light STATE={ params.STATE } (use 0 or 1). No action taken."
        {% endif %}
    {% else %}
        {% set new_state = 1 - current_state %}
        {% set target = on_val if new_state == 1 else off_val %}
        SET_PIN PIN={pin} VALUE={target}
        {% if new_state == 1 %}
            RESPOND PREFIX=LIGHT MSG="Lights ON"
        {% else %}
            RESPOND PREFIX=LIGHT MSG="Lights OFF"
        {% endif %}
    {% endif %}