feat(extensions): most of the extensions implementation, by kdb424

boards/crkbd/kb.py

@@ -0,0 +1,30 @@
+import board
+
+from kmk.kmk_keyboard import KMKKeyboard as _KMKKeyboard
+from kmk.matrix import DiodeOrientation
+from kmk.matrix import intify_coordinate as ic
+
+
+class KMKKeyboard(_KMKKeyboard):
+    col_pins = (
+        board.P0_31,
+        board.P0_29,
+        board.P0_02,
+        board.P1_15,
+        board.P1_13,
+        board.P1_11,
+    )
+    row_pins = (board.P0_22, board.P0_24, board.P1_00, board.P0_11)
+    diode_orientation = DiodeOrientation.COLUMNS
+    data_pin = board.P0_08
+    rgb_pixel_pin = board.P0_06
+    i2c = board.I2C
+    powersave_pin = board.P0_13
+
+    coord_mapping = []
+    coord_mapping.extend(ic(0, x) for x in range(12))
+    coord_mapping.extend(ic(1, x) for x in range(12))
+    coord_mapping.extend(ic(2, x) for x in range(12))
+
+    # And now, to handle R3, which at this point is down to just six keys
+    coord_mapping.extend(ic(3, x) for x in range(3, 9))