[output_pin beeper]
pin: PC6
value: 0
shutdown_value: 0
pwm: True
cycle_time: 0.0005 ; Default beeper tone in kHz. 1 / 0.0005 = 2000Hz (2kHz)

[gcode_macro M300]
gcode:
	{% set S = params.S|default(1000)|int %}
	{% set P = params.P|default(100)|int %}

		SET_PIN PIN=beeper VALUE=0.5 CYCLE_TIME={ 1.0/S if S > 0 else 1 }
		G4 P{P}
		SET_PIN PIN=beeper VALUE=0

[gcode_macro BEEP]
description: "BEEP I=3 DUR=200 FREQ=2000: Beep 3 times, for 200ms each, at 2kHz frequency."
gcode:
    # Parameters
    {% set i = params.I|default(1)|int %}           ; Iterations (number of times to beep).
    {% set dur = params.DUR|default(100)|int %}     ; Duration/wait of each beep in ms. Default 100ms.
    {% set freq = params.FREQ|default(2000)|int %}  ; Frequency in Hz. Default 2kHz.

    {% for iteration in range(i|int) %}
        SET_PIN PIN=beeper VALUE=0.8 CYCLE_TIME={ 1.0/freq if freq > 0 else 1 }
        G4 P{dur}
        SET_PIN PIN=beeper VALUE=0
        G4 P{dur}
    {% endfor %}

[gcode_macro SONG_SINGLE_BEEP]
gcode:
	M300 S830.61 P137

[gcode_macro TOGGLE_BEEPER]
description: Toggle the printer beeper on and off.
gcode:
	{% set beeper_state = printer.save_variables.variables.beeper_state|lower %}

	{% if printer['gcode_macro _USER_VARIABLE'].debug == 1 %}
		{action_respond_info('==== TOGGLE_BEEPER ====')}
		{action_respond_info("beeper_state: %s" % (beeper_state))}
		{action_respond_info('===============')}
	{% endif %}

	{% if beeper_state == "off" %}
		{action_respond_info('beeper is off, turning it on')}
		SAVE_VARIABLE VARIABLE=beeper_state VALUE='"on"'
	{% else %}
		{action_respond_info('beeper is on= turning it off')}
		SAVE_VARIABLE VARIABLE=beeper_state VALUE='"off"'
	{% endif %}
	SONG_SINGLE_BEEP