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/micropython/pyb_hid.py

@@ -6,6 +6,7 @@ from kmk.common.consts import HID_REPORT_STRUCTURE, HIDReportTypes
 from kmk.common.event_defs import HID_REPORT_EVENT
 from kmk.common.keycodes import (FIRST_KMK_INTERNAL_KEYCODE, ConsumerKeycode,
                                  ModifierKeycode)
+from kmk.common.macros import KMKMacro
 
 
 def generate_pyb_hid_descriptor():
@@ -71,7 +72,7 @@ class HIDHelper:
                 self.add_key(consumer_key)
             else:
                 for key in state.keys_pressed:
-                    if key.code >= FIRST_KMK_INTERNAL_KEYCODE:
+                    if isinstance(key, KMKMacro) or key.code >= FIRST_KMK_INTERNAL_KEYCODE:
                         continue
 
                     if isinstance(key, ModifierKeycode):
@@ -98,7 +99,7 @@ class HIDHelper:
         # It'd be real awesome if pyb.USB_HID.send/recv would support
         # uselect.poll or uselect.select to more safely determine when
         # it is safe to write to the host again...
-        delay(10)
+        delay(5)
 
         return self