Completely overhaul the entire MatrixScanner and KEY_UP/DOWN_EVENT system for efficiency. Less delay() on HID sends. Speed is only BARELY slower than QMK now.

kmk/common/abstract/matrix_scanner.py

@@ -5,21 +5,5 @@ class AbstractMatrixScanner():
     def __init__(self, cols, rows, active_layers, diode_orientation=DiodeOrientation.COLUMNS):
         raise NotImplementedError('Abstract implementation')
 
-    def _normalize_matrix(self, matrix):
-        '''
-        We always want to internally look at a keyboard as a list of rows,
-        where a "row" is a list of keycodes (columns).
-
-        This will convert DiodeOrientation.COLUMNS matrix scans into a
-        ROWS scan, so we never have to think about these things again.
-        '''
-        if self.diode_orientation == DiodeOrientation.ROWS:
-            return matrix
-
-        return [
-            [col[col_entry] for col in matrix]
-            for col_entry in range(max(len(col) for col in matrix))
-        ]
-
-    def raw_scan(self):
+    def scan_for_pressed(self):
         raise NotImplementedError('Abstract implementation')