Added beep macro.

macros/beeper.cfg

@@ -0,0 +1,21 @@
+[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 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 %}

printer.cfg

@@ -14,6 +14,7 @@
 [include ./macros/TEST_SPEED.cfg]
 [include ./macros/PARKING.cfg]
 [include ./macros/MECHANICAL_GANTRY_CALIBRATION.cfg]
+[include ./macros/beeper.cfg]
 # Uncomment the following line if you're using an adxl345, and have it setup
 # [include ./adxl-rp2040.cfg]