From 9e8c9c366987b432519cf86d1a8586b46a0818c7 Mon Sep 17 00:00:00 2001
From: Kyle Brown <kdb424@gmail.com>
Date: Thu, 15 Sep 2022 19:16:39 -0700
Subject: [PATCH] GC to reduce memory fragmentation

---
 kmk/.DS_Store       | Bin 0 -> 6148 bytes
 kmk/keys.py         |   2 ++
 kmk/kmk_keyboard.py |  14 ++++++++++++--
 3 files changed, 14 insertions(+), 2 deletions(-)
 create mode 100644 kmk/.DS_Store

diff --git a/kmk/.DS_Store b/kmk/.DS_Store
new file mode 100644
index 0000000000000000000000000000000000000000..b462b5d98a6b93a3e7feede738939cbe67fec24c
GIT binary patch
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diff --git a/kmk/keys.py b/kmk/keys.py
index c5bfeeb..19dd272 100644
--- a/kmk/keys.py
+++ b/kmk/keys.py
@@ -1,3 +1,4 @@
+from gc import collect
 from micropython import const
 
 import kmk.handlers.stock as handlers
@@ -666,6 +667,7 @@ def make_key(code=None, names=tuple(), type=KEY_SIMPLE, **kwargs):  # NOQA
     All **kwargs are passed to the Key constructor
     '''
 
+    collect()
     global NEXT_AVAILABLE_KEY
 
     if type == KEY_SIMPLE:
diff --git a/kmk/kmk_keyboard.py b/kmk/kmk_keyboard.py
index 106277f..37de55b 100644
--- a/kmk/kmk_keyboard.py
+++ b/kmk/kmk_keyboard.py
@@ -3,6 +3,7 @@ try:
 except ImportError:
     pass
 
+from gc import collect
 from supervisor import ticks_ms
 
 from kmk.consts import UnicodeMode
@@ -444,18 +445,25 @@ class KMKKeyboard:
         self.hid_type = hid_type
         self.secondary_hid_type = secondary_hid_type
 
+        # Collect is run to keep memory fragmentation down.
+        collect()
         self._init_sanity_check()
+        collect()
         self._init_hid()
+        collect()
         self._init_matrix()
+        collect()
         self._init_coord_mapping()
 
         for module in self.modules:
+            collect()
             try:
                 module.during_bootup(self)
             except Exception as err:
                 if debug.enabled:
                     debug(f'Failed to load module {module}: {err}')
         for ext in self.extensions:
+            collect()
             try:
                 ext.during_bootup(self)
             except Exception as err:
@@ -482,11 +490,11 @@ class KMKKeyboard:
 
         if self.secondary_matrix_update:
             self.matrix_update_queue.append(self.secondary_matrix_update)
-            self.secondary_matrix_update = None
+            del self.secondary_matrix_update
 
         if self.matrix_update:
             self.matrix_update_queue.append(self.matrix_update)
-            self.matrix_update = None
+            del self.matrix_update
 
         # only handle one key per cycle.
         if self.matrix_update_queue:
@@ -513,3 +521,5 @@ class KMKKeyboard:
 
         if self.state_changed:
             self._print_debug_cycle()
+
+        collect()