test_leds_buttons.py

from gpiozero import LED, Button
from time import sleep

# GPIO pin setup for LEDs and Buttons
status_led = LED(18)
progress_led = LED(27)
error_led = LED(22)
src_mounted_led = LED(23)
dest_mounted_led = LED(24)

go_button = Button(4, hold_time=1, hold_repeat=False)
cancel_button = Button(17, hold_time=1, hold_repeat=False)
eject_button = Button(5, hold_time=1, hold_repeat=False)
power_button = Button(3, hold_time=1, hold_repeat=False)
btns = [go_button, cancel_button, eject_button, power_button]
btn_names = ["go button", "cancel button", "eject button", "power button"]

print("turning all LEDs on")
status_led.on()
progress_led.on()
error_led.on()
src_mounted_led.on()
dest_mounted_led.on()

print("listening for buttons")
while True:
    sleep(0.05)
    for i, button in enumerate(btns):
        if button.is_pressed:
            button.wait_for_release(1)
            if button.is_held:
                print(f"{btn_names[i]} held")
            else:
                print(f"{btn_names[i]} pressed")