X-Git-Url: https://git.ayoreis.com/hackapet/Adafruit_Blinka_Displayio.git/blobdiff_plain/3ace921d8f91d4d3b83fe6ae27a41beadc25fd46..9c6cace8b9203bddf4304d032f1365ff405c129e:/displayio/_display.py?ds=sidebyside

diff --git a/displayio/_display.py b/displayio/_display.py
index 2a6ea7b..8551f8c 100644
--- a/displayio/_display.py
+++ b/displayio/_display.py
@@ -327,7 +327,7 @@ class Display:
             )
         return areas
 
-    def background(self):
+    def _background(self):
         """Run background refresh tasks. Do not call directly"""
         if (
             self._auto_refresh
@@ -338,7 +338,7 @@ class Display:
 
     def _refresh_area(self, area) -> bool:
         """Loop through dirty areas and redraw that area."""
-        # pylint: disable=too-many-locals
+        # pylint: disable=too-many-locals, too-many-branches
 
         clipped = Area()
         # Clip the area to the display by overlapping the areas.
@@ -404,6 +404,11 @@ class Display:
             buffer = memoryview(bytearray([0] * (buffer_size * 4)))
             mask = memoryview(bytearray([0] * mask_length))
             self._core.fill_area(subrectangle, mask, buffer)
+
+            # Can't acquire display bus; skip the rest of the data.
+            if not self._core.bus_free():
+                return False
+
             self._core.begin_transaction()
             self._send_pixels(buffer[:subrectangle_size_bytes])
             self._core.end_transaction()
@@ -427,12 +432,12 @@ class Display:
         self._core.fill_area(area, mask, buffer)
         return buffer
 
-    def release(self) -> None:
+    def _release(self) -> None:
         """Release the display and free its resources"""
         self.auto_refresh = False
         self._core.release_display_core()
 
-    def reset(self) -> None:
+    def _reset(self) -> None:
         """Reset the display"""
         self.auto_refresh = True
         circuitpython_splash.x = 0