ALT mode
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code.py
60
code.py
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@ -4,12 +4,13 @@
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# Using Adafruit USB_HID Library : https://github.com/adafruit/Adafruit_CircuitPython_HID/releases
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#
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# Buttons default mapping
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# Red = F
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# Green = G
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# Blue = H
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# Black = I
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# Red = Del/E
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# Green = Spacebar/Return
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# Blue = Right arrow/Up
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# Yellow = Left arrow/Down
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# Black = Esc/R
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#
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# Yellow on : multimedia mode
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# Switch on : Alt mode
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#
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# Forked from
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# DroneBot Workshop 2021
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@ -20,30 +21,27 @@ import board
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import digitalio
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import usb_hid
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# Regulare keys
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# Regular keys
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from adafruit_hid.keyboard import Keyboard
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from keyboard_layout_win_fr import KeyboardLayout
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from keycode_win_fr import Keycode
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# multimedia keys
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# ~ from adafruit_hid.consumer_control import ConsumerControl
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# ~ from adafruit_hid.consumer_control_code import ConsumerControlCode
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# ~ cc = ConsumerControl(usb_hid.devices)
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# When in ALT mode, buttons use an alternative keycode.
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ALT = False
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# KB setup
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keyboard = Keyboard(usb_hid.devices)
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keyboard_layout = KeyboardLayout(keyboard)
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# Buttons setup
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# Change GPIOs according to HW
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buttons_gpio = {
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# name GPIO Keycode State DigitalIO (switch)
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"red" : dict(gpio=board.GP18, keycode=Keycode.D, state=False, DIO=None),
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"green" : dict(gpio=board.GP19, keycode=Keycode.N, state=False, DIO=None),
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"blue" : dict(gpio=board.GP16, keycode=Keycode.J, state=False, DIO=None),
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"black" : dict(gpio=board.GP20, keycode=Keycode.E, state=False, DIO=None),
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"yellow": dict(gpio=board.GP17, keycode=Keycode.B, state=False, DIO=None),
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"switch": dict(gpio=board.GP21, keycode=Keycode.LEFT_SHIFT, state=False, DIO=None, switch_setup=dict(gpio=board.GP7, DIO=None))
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# name GPIO Keycode_1 Keycode_2(ALT mode) State DigitalIO (switch)
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"red" : dict(gpio=board.GP18, keycode_1=Keycode.DELETE, keycode_2=Keycode.E, state=False, DIO=None),
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"green" : dict(gpio=board.GP19, keycode_1=Keycode.SPACEBAR, keycode_2=Keycode.RETURN, state=False, DIO=None),
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"blue" : dict(gpio=board.GP16, keycode_1=Keycode.RIGHT_ARROW, keycode_2=Keycode.DOWN_ARROW, state=False, DIO=None),
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"black" : dict(gpio=board.GP20, keycode_1=Keycode.ESCAPE, keycode_2=Keycode.R, state=False, DIO=None),
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"yellow": dict(gpio=board.GP17, keycode_1=Keycode.LEFT_ARROW,keycode_2=Keycode.UP_ARROW,state=False, DIO=None),
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"switch": dict(gpio=board.GP21, keycode_1=None, keycode_2=None, state=False, DIO=None, switch_setup=dict(gpio=board.GP7, state=False, DIO=None))
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}
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# GPIO setup
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@ -60,14 +58,32 @@ btn_scan_delay = 1/200
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while True:
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for btn in buttons_gpio:
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# If digital input is high and was not pressed previously
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if buttons_gpio[btn]['DIO'].value and not buttons_gpio[btn]['state']:
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keyboard.press(buttons_gpio[btn]['keycode'])
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buttons_gpio[btn]['state'] = not buttons_gpio[btn]['state']
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if ALT:
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if buttons_gpio[btn]['keycode_2'] is not None:
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keyboard.press(buttons_gpio[btn]['keycode_2'])
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else:
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if buttons_gpio[btn]['keycode_1'] is not None:
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keyboard.press(buttons_gpio[btn]['keycode_1'])
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buttons_gpio[btn]['state'] = True
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# Turn light on, turn ALT mode on
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if 'switch_setup' in buttons_gpio[btn]:
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if not buttons_gpio[btn]['switch_setup']['DIO'].value:
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buttons_gpio[btn]['switch_setup']['DIO'].value = True
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ALT = True
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# If digital input is down and was pressed previously
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if not buttons_gpio[btn]['DIO'].value and buttons_gpio[btn]['state']:
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keyboard.release(buttons_gpio[btn]['keycode'])
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buttons_gpio[btn]['state'] = not buttons_gpio[btn]['state']
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if ALT:
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if buttons_gpio[btn]['keycode_2'] is not None:
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keyboard.release(buttons_gpio[btn]['keycode_2'])
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else:
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if buttons_gpio[btn]['keycode_1'] is not None:
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keyboard.release(buttons_gpio[btn]['keycode_1'])
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buttons_gpio[btn]['state'] = False
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# Turn light off, turn ALT mode off
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if 'switch_setup' in buttons_gpio[btn]:
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if buttons_gpio[btn]['switch_setup']['DIO'].value:
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buttons_gpio[btn]['switch_setup']['DIO'].value = False
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ALT = False
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time.sleep(btn_scan_delay)
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17
readme.md
17
readme.md
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@ -3,19 +3,18 @@
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Use a rpi pico and push buttons to send key strokes to a computer.
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Utiliser un [raspberry pi pico](https://www.raspberrypi.com/products/raspberry-pi-pico/) et des bouttons d'arcade pour simuler des touches de clavier.
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This is the companion project to the [Stopi](/arthus/stopi) stop-motion software.
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Ce projet est le compagnon de [Stopi2](/arthus/stopi2).
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## Software setup
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## Installation
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1. Upload 'code.py' and the 'lib' folder to the rpi pico
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2. Done
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Copier le fichier 'code.py' et le répertoire 'lib' à la base du pico.
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## Hadware setup
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## Matériel nécessaire
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* 5 push buttons
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* 1 ON/OFF switch with indicator light or a separate LED
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* 1 330Ω resistor
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* 5 bouttons poussoirs
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* 1 switch ON/OFF avec une LED intégrée ou en supplément.
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* 1 rsistance 330Ω
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