X-Git-Url: https://git.ayoreis.com/hackapet/Adafruit_Blinka_Displayio.git/blobdiff_plain/07b3c4b67d4530d1b04e725899dcdf077d462d6e..b39699fa4b1ed4838b72d068f0c13fdf62ef95de:/displayio/_displaycore.py

diff --git a/displayio/_displaycore.py b/displayio/_displaycore.py
index 96c47a8..9e1ba4b 100644
--- a/displayio/_displaycore.py
+++ b/displayio/_displaycore.py
@@ -101,6 +101,7 @@ class _DisplayCore:
         if bus:
             if isinstance(bus, (FourWire, I2CDisplay, ParallelBus)):
                 self._bus_reset = bus.reset
+                self._bus_free = bus._free
                 self._begin_transaction = bus._begin_transaction
                 self._send = bus._send
                 self._end_transaction = bus._end_transaction
@@ -117,16 +118,13 @@ class _DisplayCore:
         self.rotation = rotation
         self.transform = TransformStruct()
 
+        self.set_rotation(rotation)
+
     def set_rotation(self, rotation: int) -> None:
         """
         Sets the rotation of the display as an int in degrees.
         """
         # pylint: disable=protected-access, too-many-branches
-        transposed = self.rotation in (90, 270)
-        will_be_transposed = rotation in (90, 270)
-        if transposed != will_be_transposed:
-            self.width, self.height = self.height, self.width
-
         height = self.height
         width = self.width
 
@@ -175,9 +173,6 @@ class _DisplayCore:
                 self.transform.y = height
                 self.transform.dy = -1
 
-        if self.current_group is not None:
-            self.current_group._update_transform(self.transform)
-
     def set_root_group(self, root_group: Group) -> bool:
         """
         Switches to displaying the given group of layers. When group is `None`, the
@@ -288,7 +283,7 @@ class _DisplayCore:
             else:
                 region_y1 //= pixels_per_byte * self.colorspace.bytes_per_cell
                 region_y2 //= pixels_per_byte * self.colorspace.bytes_per_cell
-
+        print(region_y2)
         region_x2 -= 1
         region_y2 -= 1
 
@@ -342,7 +337,7 @@ class _DisplayCore:
         if not self.data_as_commands:
             self.send(DISPLAY_COMMAND, CHIP_SELECT_UNTOUCHED, data)
             data = bytearray(0)
-        if self.ram_width < 0x100:  # Single Byte Bounds
+        if self.ram_height < 0x100:  # Single Byte Bounds
             data += struct.pack(">BB", region_y1, region_y2)
         else:
             if self.address_little_endian:
@@ -376,12 +371,14 @@ class _DisplayCore:
         """
         Send the data to the current bus
         """
-        print(len(data))
-        if isinstance(data, memoryview):
-            data = data.tobytes()
-        print(data)
         self._send(data_type, chip_select, data)
 
+    def bus_free(self) -> bool:
+        """
+        Check if the bus is free
+        """
+        return self._bus_free()
+
     def begin_transaction(self) -> bool:
         """
         Begin Bus Transaction