Use loops

code.py

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+# Raspberry Pi Pico Stopmo pad
+#
+# Using CircuitPython : https://circuitpython.org/board/raspberry_pi_pico/
+# Using Adafruit USB_HID Library : https://github.com/adafruit/Adafruit_CircuitPython_HID/releases
+#
+# Buttons default mapping 
+# Red = F
+# Green = G
+# Blue = H
+# Black = I
+#  
+# Yellow on : multimedia mode
+#
+# Forked from 
+# DroneBot Workshop 2021
+# https://dronebotworkshop.com
+
+import time
+import board
+import digitalio
+import usb_hid
+
+# Regulare keys 
+from adafruit_hid.keyboard import Keyboard
+from keyboard_layout_win_fr import KeyboardLayout
+from keycode_win_fr import Keycode
+
+# multimedia keys 
+# ~ from adafruit_hid.consumer_control import ConsumerControl
+# ~ from adafruit_hid.consumer_control_code import ConsumerControlCode
+# ~ cc = ConsumerControl(usb_hid.devices)
+
+# KB setup
+keyboard = Keyboard(usb_hid.devices)
+keyboard_layout = KeyboardLayout(keyboard) 
+
+# Buttons setup
+# Change GPIOs according to HW 
+buttons_gpio = {
+#   name                GPIO             Keycode           State    DigitalIO   (switch)
+    "red"   : dict(gpio=board.GP18, keycode=Keycode.G, state=False, DIO=None), 
+    "green" : dict(gpio=board.GP19, keycode=Keycode.H, state=False, DIO=None), 
+    "blue"  : dict(gpio=board.GP16, keycode=Keycode.I, state=False, DIO=None), 
+    "black" : dict(gpio=board.GP20, keycode=Keycode.J, state=False, DIO=None), 
+    "yellow": dict(gpio=board.GP17, keycode=Keycode.K, state=False, DIO=None), 
+    "switch": dict(gpio=board.GP21, keycode=Keycode.LEFT_SHIFT, state=False, DIO=None, switch_setup=dict(gpio=board.GP7, DIO=None))
+}
+
+# GPIO setup
+for btn in buttons_gpio:
+    buttons_gpio[btn]['DIO'] = digitalio.DigitalInOut(buttons_gpio[btn]['gpio'])
+    buttons_gpio[btn]['DIO'].direction = digitalio.Direction.INPUT
+    buttons_gpio[btn]['DIO'].pull = digitalio.Pull.DOWN
+    # Switch setup
+    if 'switch_setup' in buttons_gpio[btn]:
+        buttons_gpio[btn]['switch_setup']['DIO'] = digitalio.DigitalInOut(buttons_gpio[btn]['switch_setup']['gpio'])
+        buttons_gpio[btn]['switch_setup']['DIO'].direction = digitalio.Direction.OUTPUT
+
+btn_scan_delay = 1/200
+
+while True:
+    for btn in buttons_gpio:
+        if buttons_gpio[btn]['DIO'].value and not buttons_gpio[btn]['state']:
+            keyboard.press(buttons_gpio[btn]['keycode'])
+            buttons_gpio[btn]['state'] = not buttons_gpio[btn]['state']
+            if 'switch_setup' in buttons_gpio[btn]:
+                buttons_gpio[btn]['switch_setup']['DIO'].value = True
+        if not buttons_gpio[btn]['DIO'].value and buttons_gpio[btn]['state']:
+            keyboard.release(buttons_gpio[btn]['keycode'])
+            buttons_gpio[btn]['state'] = not buttons_gpio[btn]['state']
+            if 'switch_setup' in buttons_gpio[btn]:
+                buttons_gpio[btn]['switch_setup']['DIO'].value = False
+    time.sleep(btn_scan_delay)

lib/keyboard_layout_win_fr.py

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+# SPDX-FileCopyrightText: 2021 Neradoc NeraOnGit@ri1.fr
+#
+# SPDX-License-Identifier: MIT
+"""
+This file was automatically generated using Circuitpython_Keyboard_Layouts
+"""
+
+
+__version__ = "0.0.0-auto.0"
+__repo__ = "https://github.com/Neradoc/Circuitpython_Keyboard_Layouts.git"
+
+
+from adafruit_hid.keyboard_layout_base import KeyboardLayoutBase
+class KeyboardLayout(KeyboardLayoutBase):
+    ASCII_TO_KEYCODE = (
+        b'\x00'
+        b'\x00'
+        b'\x00'
+        b'\x00'
+        b'\x00'
+        b'\x00'
+        b'\x00'
+        b'\x00'
+        b'\x2a'  # BACKSPACE
+        b'\x2b'  # '\t'
+        b'\x28'  # '\n'
+        b'\x00'
+        b'\x00'
+        b'\x00'
+        b'\x00'
+        b'\x00'
+        b'\x00'
+        b'\x00'
+        b'\x00'
+        b'\x00'
+        b'\x00'
+        b'\x00'
+        b'\x00'
+        b'\x00'
+        b'\x00'
+        b'\x00'
+        b'\x00'
+        b'\x29'  # ESC
+        b'\x00'
+        b'\x00'
+        b'\x00'
+        b'\x00'
+        b'\x2c'  # ' '
+        b'\x38'  # '!'
+        b'\x20'  # '"'
+        b'\x20'  # '#'
+        b'\x30'  # '$'
+        b'\xb4'  # '%'
+        b'\x1e'  # '&'
+        b'\x21'  # "'"
+        b'\x22'  # '('
+        b'\x2d'  # ')'
+        b'\x31'  # '*'
+        b'\xae'  # '+'
+        b'\x10'  # ','
+        b'\x23'  # '-'
+        b'\xb6'  # '.'
+        b'\xb7'  # '/'
+        b'\xa7'  # '0'
+        b'\x9e'  # '1'
+        b'\x9f'  # '2'
+        b'\xa0'  # '3'
+        b'\xa1'  # '4'
+        b'\xa2'  # '5'
+        b'\xa3'  # '6'
+        b'\xa4'  # '7'
+        b'\xa5'  # '8'
+        b'\xa6'  # '9'
+        b'\x37'  # ':'
+        b'\x36'  # ';'
+        b'\x64'  # '<'
+        b'\x2e'  # '='
+        b'\xe4'  # '>'
+        b'\x90'  # '?'
+        b'\x27'  # '@'
+        b'\x94'  # 'A'
+        b'\x85'  # 'B'
+        b'\x86'  # 'C'
+        b'\x87'  # 'D'
+        b'\x88'  # 'E'
+        b'\x89'  # 'F'
+        b'\x8a'  # 'G'
+        b'\x8b'  # 'H'
+        b'\x8c'  # 'I'
+        b'\x8d'  # 'J'
+        b'\x8e'  # 'K'
+        b'\x8f'  # 'L'
+        b'\xb3'  # 'M'
+        b'\x91'  # 'N'
+        b'\x92'  # 'O'
+        b'\x93'  # 'P'
+        b'\x84'  # 'Q'
+        b'\x95'  # 'R'
+        b'\x96'  # 'S'
+        b'\x97'  # 'T'
+        b'\x98'  # 'U'
+        b'\x99'  # 'V'
+        b'\x9d'  # 'W'
+        b'\x9b'  # 'X'
+        b'\x9c'  # 'Y'
+        b'\x9a'  # 'Z'
+        b'\x22'  # '['
+        b'\x25'  # '\\'
+        b'\x2d'  # ']'
+        b'\x26'  # '^'
+        b'\x25'  # '_'
+        b'\x00'  # '`' (Dead key)
+        b'\x14'  # 'a'
+        b'\x05'  # 'b'
+        b'\x06'  # 'c'
+        b'\x07'  # 'd'
+        b'\x08'  # 'e'
+        b'\x09'  # 'f'
+        b'\x0a'  # 'g'
+        b'\x0b'  # 'h'
+        b'\x0c'  # 'i'
+        b'\x0d'  # 'j'
+        b'\x0e'  # 'k'
+        b'\x0f'  # 'l'
+        b'\x33'  # 'm'
+        b'\x11'  # 'n'
+        b'\x12'  # 'o'
+        b'\x13'  # 'p'
+        b'\x04'  # 'q'
+        b'\x15'  # 'r'
+        b'\x16'  # 's'
+        b'\x17'  # 't'
+        b'\x18'  # 'u'
+        b'\x19'  # 'v'
+        b'\x1d'  # 'w'
+        b'\x1b'  # 'x'
+        b'\x1c'  # 'y'
+        b'\x1a'  # 'z'
+        b'\x21'  # '{'
+        b'\x23'  # '|'
+        b'\x2e'  # '}'
+        b'\x00'  # '~' (Dead key)
+        b'\x00'
+    )
+    NEED_ALTGR = '#@[\\]^{|}¤€'
+    HIGHER_ASCII = {
+        0xe9: 0x1f,  # 'é'
+        0xe8: 0x24,  # 'è'
+        0xe7: 0x26,  # 'ç'
+        0xe0: 0x27,  # 'à'
+        0xb0: 0xad,  # '°'
+        0x20ac: 0x08,  # '€'
+        0xa3: 0xb0,  # '£'
+        0xa4: 0x30,  # '¤'
+        0xf9: 0x34,  # 'ù'
+        0xb2: 0x35,  # '²'
+        0xb5: 0xb1,  # 'µ'
+        0xa7: 0xb8,  # '§'
+    }
+    COMBINED_KEYS = {
+        0xe3: 0x1fe1,  # 'ã'
+        0xc3: 0x1fc1,  # 'Ã'
+        0xf1: 0x1fee,  # 'ñ'
+        0xd1: 0x1fce,  # 'Ñ'
+        0xf5: 0x1fef,  # 'õ'
+        0xd5: 0x1fcf,  # 'Õ'
+        0x7e: 0x1fa0,  # '~'
+        0xe0: 0x24e1,  # 'à'
+        0xe8: 0x24e5,  # 'è'
+        0xec: 0x24e9,  # 'ì'
+        0xf2: 0x24ef,  # 'ò'
+        0xf9: 0x24f5,  # 'ù'
+        0xc0: 0x24c1,  # 'À'
+        0xc8: 0x24c5,  # 'È'
+        0xcc: 0x24c9,  # 'Ì'
+        0xd2: 0x24cf,  # 'Ò'
+        0xd9: 0x24d5,  # 'Ù'
+        0x60: 0x24a0,  # '`'
+        0xe2: 0x2f61,  # 'â'
+        0xea: 0x2f65,  # 'ê'
+        0xee: 0x2f69,  # 'î'
+        0xf4: 0x2f6f,  # 'ô'
+        0xfb: 0x2f75,  # 'û'
+        0xc2: 0x2f41,  # 'Â'
+        0xca: 0x2f45,  # 'Ê'
+        0xce: 0x2f49,  # 'Î'
+        0xd4: 0x2f4f,  # 'Ô'
+        0xdb: 0x2f55,  # 'Û'
+        0x5e: 0x2f20,  # '^'
+        0xe4: 0xaf61,  # 'ä'
+        0xeb: 0xaf65,  # 'ë'
+        0xef: 0xaf69,  # 'ï'
+        0xf6: 0xaf6f,  # 'ö'
+        0xfc: 0xaf75,  # 'ü'
+        0xff: 0xaf79,  # 'ÿ'
+        0xc4: 0xaf41,  # 'Ä'
+        0xcb: 0xaf45,  # 'Ë'
+        0xcf: 0xaf49,  # 'Ï'
+        0xd6: 0xaf4f,  # 'Ö'
+        0xdc: 0xaf55,  # 'Ü'
+        0xa8: 0xaf20,  # '¨'
+    }

lib/keycode_win_fr.py

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+# SPDX-FileCopyrightText: 2021 Neradoc NeraOnGit@ri1.fr
+#
+# SPDX-License-Identifier: MIT
+"""
+This file was automatically generated using Circuitpython_Keyboard_Layouts
+"""
+
+
+__version__ = "0.0.0-auto.0"
+__repo__ = "https://github.com/Neradoc/Circuitpython_Keyboard_Layouts.git"
+
+
+class Keycode:
+    A = 0x14
+    B = 0x05
+    C = 0x06
+    D = 0x07
+    E = 0x08
+    F = 0x09
+    G = 0x0a
+    H = 0x0b
+    I = 0x0c
+    J = 0x0d
+    K = 0x0e
+    L = 0x0f
+    M = 0x33
+    N = 0x11
+    O = 0x12
+    P = 0x13
+    Q = 0x04
+    R = 0x15
+    S = 0x16
+    T = 0x17
+    U = 0x18
+    V = 0x19
+    W = 0x1d
+    X = 0x1b
+    Y = 0x1c
+    Z = 0x1a
+    ALT = 0xe2
+    END = 0x4d
+    F1 = 0x3a
+    F2 = 0x3b
+    F3 = 0x3c
+    F4 = 0x3d
+    F5 = 0x3e
+    F6 = 0x3f
+    F7 = 0x40
+    F8 = 0x41
+    F9 = 0x42
+    F10 = 0x43
+    F11 = 0x44
+    F12 = 0x45
+    F13 = 0x68
+    F14 = 0x69
+    F15 = 0x6a
+    F16 = 0x6b
+    F17 = 0x6c
+    F18 = 0x6d
+    F19 = 0x6e
+    F20 = 0x6f
+    F21 = 0x70
+    F22 = 0x71
+    F23 = 0x72
+    F24 = 0x73
+    GUI = 0xe3
+    ONE = 0x1e
+    SIX = 0x23
+    TAB = 0x2b
+    TWO = 0x1f
+    FIVE = 0x22
+    FOUR = 0x21
+    HOME = 0x4a
+    NINE = 0x26
+    ZERO = 0x27
+    ALTGR = 0xe6
+    COMMA = 0x10
+    EIGHT = 0x25
+    ENTER = 0x28
+    GRAVE = 0x24
+    OEM_8 = 0x38
+    PAUSE = 0x48
+    QUOTE = 0x35
+    SEVEN = 0x24
+    SHIFT = 0xe1
+    SPACE = 0x2c
+    THREE = 0x20
+    TILDE = 0x1f
+    TREMA = 0x2f
+    ACCENT_CIRCONFLEXE = 0x2f
+    APPLICATION = 0x65
+    BACKSLASH = 0x31
+    BACKSPACE = 0x2a
+    CAPS_LOCK = 0x39
+    COMMAND = 0xe3
+    CONTROL = 0xe0
+    DELETE = 0x4c
+    DOWN_ARROW = 0x51
+    EQUALS = 0x2e
+    ESCAPE = 0x29
+    FORWARD_SLASH = 0x37
+    GRAVE_ACCENT = 0x34
+    INSERT = 0x49
+    KEYPAD_ASTERISK = 0x55
+    KEYPAD_EIGHT = 0x60
+    KEYPAD_FIVE = 0x5d
+    KEYPAD_FORWARD_SLASH = 0x54
+    KEYPAD_FOUR = 0x5c
+    KEYPAD_MINUS = 0x56
+    KEYPAD_NINE = 0x61
+    KEYPAD_NUMLOCK = 0x53
+    KEYPAD_ONE = 0x59
+    KEYPAD_PERIOD = 0x63
+    KEYPAD_PLUS = 0x57
+    KEYPAD_SEVEN = 0x5f
+    KEYPAD_SIX = 0x5e
+    KEYPAD_THREE = 0x5b
+    KEYPAD_TWO = 0x5a
+    KEYPAD_ZERO = 0x62
+    LEFT_ALT = 0xe2
+    LEFT_ARROW = 0x50
+    LEFT_BRACKET = 0x2d
+    LEFT_CONTROL = 0xe0
+    LEFT_GUI = 0xe3
+    LEFT_SHIFT = 0xe1
+    OEM_102 = 0x64
+    OPTION = 0xe2
+    PAGE_DOWN = 0x4e
+    PAGE_UP = 0x4b
+    PERIOD = 0x36
+    PRINT_SCREEN = 0x46
+    RETURN = 0x28
+    RIGHT_ALT = 0xe6
+    RIGHT_ARROW = 0x4f
+    RIGHT_BRACKET = 0x2f
+    RIGHT_CONTROL = 0xe4
+    RIGHT_GUI = 0xe7
+    RIGHT_SHIFT = 0xe5
+    SCROLL_LOCK = 0x47
+    SEMICOLON = 0x30
+    SPACEBAR = 0x2c
+    UP_ARROW = 0x52
+    WINDOWS = 0xe3
+
+    @classmethod
+    def modifier_bit(cls, keycode):
+        """Return the modifer bit to be set in an HID keycode report if this is a
+        modifier key; otherwise return 0."""
+        return (
+            1 << (keycode - 0xE0) if cls.LEFT_CONTROL <= keycode <= cls.RIGHT_GUI else 0
+        )
+