The Adafruit Trinket M0 may be small, but do not be fooled by its size! It's a tiny microcontroller board, built around the Atmel ATSAMD21, a little chip with a lot...
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import board
import digitalio
import time
import usb_hid
from adafruit_hid.keyboard import Keyboard
from adafruit_hid.keycode import Keycode
class ArcadeButton:
def __init__(self, key_code, pin):
self.key_code = key_code
self.pin = digitalio.DigitalInOut(pin)
self.pin.direction = digitalio.Direction.INPUT
self.pin.pull = digitalio.Pull.UP
self._state = False
@property
def is_pressed(self):
return self._state
@property
def state(self):
return self._state
@state.setter
def state(self, new_state):
if self._state != new_state:
self._state = new_state
if new_state: # Button was just pressed
self.simulate_key()
def simulate_key(self):
kbd = Keyboard(usb_hid.devices)
kbd.press(self.key_code)
kbd.release_all()
class ArcadeButtons:
def __init__(self, *buttons):
self.buttons = buttons
def update_states(self):
for button in self.buttons:
button.state = button.pin.value
# Create instances of the ArcadeButton class for each button
esc_button = ArcadeButton(Keycode.ESCAPE, board.D0)
tab_button = ArcadeButton(Keycode.TAB, board.D1)
enter_button = ArcadeButton(Keycode.ENTER, board.D2)
# Create an instance of the ArcadeButtons class
all_buttons = ArcadeButtons(esc_button, tab_button, enter_button)
# Main loop
while True:
# Update the states of all buttons
all_buttons.update_states()
time.sleep(0.01) # Add a small delay to prevent rapid detection