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John Park 2021-08-11 12:04:08 -07:00
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# SPDX-FileCopyrightText: 2021 John Park for Adafruit Industries
# SPDX-License-Identifier: MIT
# NUMPAD 4000! Made with snap-apart NeoKey PCB and Feather RP2040.
import board
import keypad
import neopixel
import usb_hid
from adafruit_hid.keyboard import Keyboard
from adafruit_hid.keycode import Keycode
COLUMNS = 5
ROWS = 5
BLUE = 0x000510
WHITE = 0x303030
RED = 0xFF0000
board_pix = neopixel.NeoPixel(board.NEOPIXEL, 1, brightness=0.1)
board_pix[0] = BLUE
key_pixels = neopixel.NeoPixel(board.D5, 30, brightness=0.1)
key_pixels.fill(WHITE)
keys = keypad.KeyMatrix(
row_pins=(board.D4, board.A3, board.A2, board.A1, board.A0),
column_pins=(board.D13, board.D12, board.D11, board.D10, board.D9),
columns_to_anodes=False,
)
kbd = Keyboard(usb_hid.devices)
keycode_LUT = [
0, 1, 2, 3, 4,
5, 6, 7, 8,
10, 11, 12, 13, 14,
15, 16, 17, 18,
20, 21, 23, 24
]
pixel_LUT = [
0, 1, 2, 3, 4,
8, 7, 6, 5,
10, 11, 12, 13, 14,
18, 17, 16, 15,
20, 21, 23, 24
]
# create a keycode dictionary including modifier state and keycodes
keymap = {
(0): (0, Keycode.KEYPAD_NUMLOCK),
(1): (0, Keycode.BACKSPACE),
(2): (0, Keycode.FORWARD_SLASH),
(3): (0, Keycode.KEYPAD_ASTERISK),
(4): (0, Keycode.KEYPAD_MINUS),
(5): (0, Keycode.PAGE_UP),
(6): (0, Keycode.KEYPAD_SEVEN),
(7): (0, Keycode.KEYPAD_EIGHT),
(8): (0, Keycode.KEYPAD_NINE),
(9): (0, Keycode.PAGE_DOWN),
(10): (0, Keycode.KEYPAD_FOUR),
(11): (0, Keycode.KEYPAD_FIVE),
(12): (0, Keycode.KEYPAD_SIX),
(13): (0, Keycode.KEYPAD_PLUS),
(14): (1, Keycode.SHIFT),
(15): (0, Keycode.KEYPAD_ONE),
(16): (0, Keycode.KEYPAD_TWO),
(17): (0, Keycode.KEYPAD_THREE),
(18): (2, Keycode.CONTROL),
(19): (0, Keycode.KEYPAD_ZERO),
(20): (0, Keycode.KEYPAD_PERIOD),
(21): (0, Keycode.KEYPAD_EQUALS) # KEYPAD_ENTER on non-mac
}
shift_mod = False
ctrl_mod = False
while True:
key_event = keys.events.get()
if key_event:
if key_event.pressed:
if keymap[keycode_LUT.index(key_event.key_number)][0] == 1:
shift_mod = True
elif keymap[keycode_LUT.index(key_event.key_number)][0] == 2:
ctrl_mod = True
if shift_mod is False and ctrl_mod is False:
kbd.press(keymap[keycode_LUT.index(key_event.key_number)][1])
print(keymap[keycode_LUT.index(key_event.key_number)][1])
key_pixels[pixel_LUT.index(key_event.key_number)] = RED
elif shift_mod is True and ctrl_mod is False:
kbd.press(Keycode.SHIFT, keymap[keycode_LUT.index(key_event.key_number)][1])
print(keymap[keycode_LUT.index(key_event.key_number)][1])
key_pixels[pixel_LUT.index(key_event.key_number)] = RED
elif shift_mod is False and ctrl_mod is True:
kbd.press(Keycode.CONTROL, keymap[keycode_LUT.index(key_event.key_number)][1])
print(keymap[keycode_LUT.index(key_event.key_number)][1])
key_pixels[pixel_LUT.index(key_event.key_number)] = RED
elif shift_mod is True and ctrl_mod is True:
kbd.press(
Keycode.SHIFT,
Keycode.CONTROL,
keymap[keycode_LUT.index(key_event.key_number)][1]
)
print(keymap[keycode_LUT.index(key_event.key_number)][1])
key_pixels[pixel_LUT.index(key_event.key_number)] = RED
board_pix[0] = WHITE
if key_event.released:
if keymap[keycode_LUT.index(key_event.key_number)][0] == 1: # un-shift
shift_mod = False
elif keymap[keycode_LUT.index(key_event.key_number)][0] == 2: # un-ctrl
ctrl_mod = False
kbd.release(keymap[keycode_LUT.index(key_event.key_number)][1])
key_pixels[pixel_LUT.index(key_event.key_number)] = WHITE
board_pix[0] = BLUE