Add RGBar (hackpad)

hackpads/RGBar/Firmware/KMK/boot.py

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+import board
+
+from kmk.kmk_keyboard import KMKKeyboard as _KMKKeyboard
+from kmk.scanners import DiodeOrientation
+
+class KMKKeyboard(_KMKKeyboard):
+    col_pins = (board.D2, board.D3, board.D4, board.D5)
+    row_pins = (board.D1, board.D7)
+    diode_orientation = DiodeOrientation.ROW2COL

hackpads/RGBar/Firmware/KMK/main.py

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+'''
+KW-01 RGBar V1
+Untested code for a 2x4 macropad using the XIAO RP2040. 
+Currently supports simple numpad function. Blocked on hardware assembly.
+'''
+
+import board
+import neopixel
+from screen_brightness_control import set_brightness, get_brightness
+from kmk.kmk_keyboard import KMKKeyboard
+from kmk.scanners.matrix import MatrixScanner, DiodeOrientation
+from kmk.keys import KC
+from kmk.modules.macros import Press, Release, Tap, Macros
+from kmk.modules.encoder import EncoderHandler
+
+# Initialize the NeoPixel chain
+NUM_PIXELS = 8
+pixels = neopixel.NeoPixel(board.D6, NUM_PIXELS, auto_write=False)
+keys_pressed = []
+
+# Define colors for each key
+colors = [
+    (255, 0, 0),    # Red
+    (0, 255, 0),    # Green
+    (0, 0, 255),    # Blue
+    (255, 255, 0),  # Yellow
+    (0, 255, 255),  # Cyan
+    (255, 0, 255),  # Magenta
+    (255, 255, 255),# White
+    (128, 0, 128)   # Purple
+]
+
+
+# Encoder rotation
+def encoder_handler(direction):
+    SCREEN_BRIGHTNESS = get_brightness()
+    if direction == 1:
+        # Increase brightness
+        print("Increase brightness")
+        SCREEN_BRIGHTNESS += 1
+        set_brightness(SCREEN_BRIGHTNESS)
+    elif direction == -1:
+        # Decrease brightness
+        print("Decrease brightness")
+        SCREEN_BRIGHTNESS -= 1
+        set_brightness(SCREEN_BRIGHTNESS)
+
+# Neopixel lighting
+def update_keys():
+    for i in range(NUM_PIXELS):
+        if i in keys_pressed:
+            pixels[i] = colors[i]
+        else:
+            pixels[i] = (0, 0, 0)
+    pixels.show()
+
+def press(key):
+    keys_pressed.append(key.index)
+    update_keys()
+    return Press(key)
+
+def release(key):
+    keys_pressed.remove(key.index) 
+    update_keys()
+    return Release(key)
+
+keyboard = KMKKeyboard()
+
+macros = Macros()
+keyboard.modules.append(macros)
+
+# Matrix definitions
+ROW_PINS = [board.D1, board.D7]
+COL_PINS = [board.D2, board.D3, board.D4, board.D5]
+
+# Matrix scanner
+keyboard.matrix = MatrixScanner(
+    cols=COL_PINS,
+    rows=ROW_PINS,
+    diode_orientation=DiodeOrientation.ROW2COL
+)
+
+# Encoder definition
+ENCODER_PINS = (board.D9, board.D10)
+
+# Encoder handler
+encoder = EncoderHandler(ENCODER_PINS, encoder_handler)
+keyboard.modules.append(encoder)
+
+# Here you define the buttons corresponding to the matrix
+# Look here for keycodes: https://github.com/KMKfw/kmk_firmware/blob/main/docs/en/keycodes.md
+# And here for macros: https://github.com/KMKfw/kmk_firmware/blob/main/docs/en/macros.md
+keyboard.keymap = [
+    [KC.N1, KC.N2, KC.N3, KC.N4],
+    [KC.N5, KC.N6, KC.N7, KC.N8]
+]
+
+macros.press = press
+macros.release = release
+
+# Start kmk!
+if __name__ == '__main__':
+    keyboard.go()

hackpads/RGBar/Firmware/README.md

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+KMK port stand-in code awaiting hardware testing.