first commit fisher price usb foot controller with keyboard macros

FisherPrice_USB_Foot_Pedal/code.py

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+# SPDX-FileCopyrightText: 2023 Robert Dale Smith for Adafruit Industries
+#
+# SPDX-License-Identifier: MIT
+# The Fisher-Price Kick and Play Piano Gym has five buttons that are
+# active high. Pressed = 1, Released = 0. This code turns that into
+# keyboard key press, key combos, and/or key press/combo macros.
+
+import time
+import board
+import usb_hid
+from adafruit_hid.keyboard import Keyboard
+from adafruit_hid.keycode import Keycode
+from adafruit_hid.keyboard_layout_us import KeyboardLayoutUS
+from digitalio import DigitalInOut, Direction, Pull
+
+# Set up a keyboard device.
+kbd = Keyboard(usb_hid.devices)
+layout = KeyboardLayoutUS(kbd)
+
+# Setup the buttons with internal pull-down resistors
+buttons = []
+for pin in [board.A0, board.A2, board.CLK, board.D2, board.D3]: # kb2040 pins
+    button = DigitalInOut(pin)
+    button.direction = Direction.INPUT
+    button.pull = Pull.DOWN
+    buttons.append(button)
+
+# Each button corresponds to a key or key combination or a sequence of keys
+keys = [
+    Keycode.A,
+    (Keycode.COMMAND, Keycode.TAB),
+    [
+        Keycode.UP_ARROW,
+        Keycode.ENTER
+    ],
+    [
+        Keycode.END,
+        (Keycode.SHIFT, Keycode.HOME),
+        (Keycode.COMMAND, Keycode.C),
+    ],
+    [
+        (Keycode.CONTROL, Keycode.A),
+        'Hello World',
+        Keycode.PERIOD
+    ]
+]
+
+while True:
+    # check each button
+    for button, key in zip(buttons, keys):
+        if button.value:  # button is pressed
+            if isinstance(key, tuple):
+                kbd.press(*key)
+                kbd.release_all()
+            elif isinstance(key, list):
+                for macro_key in key:
+                    if isinstance(macro_key, str):  # print a string
+                        layout.write(macro_key)
+                    elif isinstance(macro_key, tuple):  # press combo keys
+                        kbd.press(*macro_key)
+                        kbd.release_all()
+                    else:  # press a single key
+                        kbd.press(macro_key)
+                        kbd.release_all()
+                    time.sleep(0.1)  # delay between keys
+            else:  # press a single key
+                kbd.press(key)
+                kbd.release_all()
+            time.sleep(0.1)  # debounce delay
+
+    time.sleep(0.1)