"""
import time
-from array import array
from typing import Optional
import digitalio
import microcontroller
backlight_on_high: bool = True,
SH1107_addressing: bool = False,
):
- # pylint: disable=too-many-locals,invalid-name
+ # pylint: disable=too-many-locals,invalid-name, too-many-branches
"""Create a Display object on the given display bus (`displayio.FourWire` or
`paralleldisplay.ParallelBus`).
The initialization sequence should always leave the display memory access inline with
the scan of the display to minimize tearing artifacts.
"""
+
+ if rotation % 90 != 0:
+ raise ValueError("Display rotation must be in 90 degree increments")
+
+ if SH1107_addressing and color_depth != 1:
+ raise ValueError("color_depth must be 1 when SH1107_addressing is True")
+
# Turn off auto-refresh as we init
self._auto_refresh = False
ram_width = 0x100
self._core.send(DISPLAY_DATA, CHIP_SELECT_UNTOUCHED, pixels)
def show(self, group: Group) -> None:
- """Switches to displaying the given group of layers. When group is None, the
+ """
+ .. note:: `show()` is deprecated and will be removed when CircuitPython 9.0.0
+ is released. Use ``.root_group = group`` instead.
+
+ Switches to displaying the given group of layers. When group is None, the
default CircuitPython terminal will be shown.
+
+ :param Group group: The group to show.
"""
if group is None:
group = circuitpython_splash
)
return areas
- def background(self):
+ def _background(self):
"""Run background refresh tasks. Do not call directly"""
if (
self._auto_refresh
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.
buffer_size = pixels_per_buffer // pixels_per_word
if pixels_per_buffer % pixels_per_word:
buffer_size += 1
- mask_length = (pixels_per_buffer // 8) + 1 # 1 bit per pixel + 1
+ mask_length = (pixels_per_buffer // 32) + 1 # 1 bit per pixel + 1
remaining_rows = clipped.height()
for subrect_index in range(subrectangles):
subrectangle = Area(
- clipped.x1,
- clipped.y1 + rows_per_buffer * subrect_index,
- clipped.x2,
- clipped.y1 + rows_per_buffer * (subrect_index + 1),
+ x1=clipped.x1,
+ y1=clipped.y1 + rows_per_buffer * subrect_index,
+ x2=clipped.x2,
+ y2=clipped.y1 + rows_per_buffer * (subrect_index + 1),
)
if remaining_rows < rows_per_buffer:
subrectangle.y2 = subrectangle.y1 + remaining_rows
8 // self._core.colorspace.depth
)
- buffer = memoryview(bytearray([0] * (buffer_size * 4)))
- mask = memoryview(bytearray([0] * mask_length))
+ buffer = memoryview(bytearray([0] * (buffer_size * 4))).cast("I")
+ mask = memoryview(bytearray([0] * (mask_length * 4))).cast("I")
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._send_pixels(buffer.tobytes()[:subrectangle_size_bytes])
self._core.end_transaction()
return True
if pixels_per_buffer % pixels_per_word:
buffer_size += 1
- buffer = bytearray([0] * (buffer_size * 4))
+ buffer = memoryview(bytearray([0] * (buffer_size * 4))).cast("I")
mask_length = (pixels_per_buffer // 32) + 1
- mask = array("L", [0x00000000] * mask_length)
+ mask = memoryview(bytearray([0] * (mask_length * 4))).cast("I")
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
@rotation.setter
def rotation(self, value: int):
+ if value % 90 != 0:
+ raise ValueError("Display rotation must be in 90 degree increments")
+ transposed = self._core.rotation in (90, 270)
+ will_transposed = value in (90, 270)
+ if transposed != will_transposed:
+ self._core.width, self._core.height = self._core.height, self._core.width
self._core.set_rotation(value)
+ if self._core.current_group is not None:
+ self._core.current_group._update_transform( # pylint: disable=protected-access
+ self._core.transform
+ )
@property
def bus(self) -> _DisplayBus:
"""Current Display Bus"""
return self._core.get_bus()
+
+ @property
+ def root_group(self) -> Group:
+ """The root group on the display.
+ If the root group is set to `displayio.CIRCUITPYTHON_TERMINAL`, the default
+ CircuitPython terminal will be shown.
+ If the root group is set to ``None``, no output will be shown."""
+ return self._core.current_group
+
+ @root_group.setter
+ def root_group(self, new_group: Group) -> None:
+ self._set_root_group(new_group)
projects / hackapet / Adafruit_Blinka_Displayio.git / blobdiff