Merge pull request #114 from makermelissa/add-grayscale

[hackapet/Adafruit_Blinka_Displayio.git] / displayio / _epaperdisplay.py

diff --git a/displayio/_epaperdisplay.py b/displayio/_epaperdisplay.py
index 56181d66168a53f1023aa744dc7f76beb5a891a9..114506c4af915a483befb54d95261ed7f23c6203 100644 (file)
--- a/displayio/_epaperdisplay.py
+++ b/displayio/_epaperdisplay.py
@@ -17,13 +17,13 @@ displayio for Blinka
 
 """
 
+from typing import Optional
 import microcontroller
-import _typing
+from circuitpython_typing import ReadableBuffer
 from ._group import Group
-from . import _DisplayBus
-from typing import Optional
+from ._displaybus import _DisplayBus
 
-__version__ = "0.0.0-auto.0"
+__version__ = "0.0.0+auto.0"
 __repo__ = "https://github.com/adafruit/Adafruit_Blinka_displayio.git"
 
 
@@ -42,8 +42,8 @@ class EPaperDisplay:
     def __init__(
         self,
         display_bus: _DisplayBus,
-        start_sequence: _typing.ReadableBuffer,
-        stop_sequence: _typing.ReadableBuffer,
+        start_sequence: ReadableBuffer,
+        stop_sequence: ReadableBuffer,
         *,
         width: int,
         height: int,
@@ -62,14 +62,14 @@ class EPaperDisplay:
         color_bits_inverted: bool = False,
         highlight_color: int = 0x000000,
         refresh_display_command: int,
-        refresh_time: float = 40,
+        refresh_time: float = 40.0,
         busy_pin: Optional[microcontroller.Pin] = None,
         busy_state: bool = True,
-        seconds_per_frame: float = 180,
+        seconds_per_frame: float = 180.0,
         always_toggle_chip_select: bool = False,
         grayscale: bool = False,
     ):
-        # pylint: disable=too-many-locals
+        # pylint: disable=too-many-locals, unused-argument
         """
         Create a EPaperDisplay object on the given display bus (displayio.FourWire or
         paralleldisplay.ParallelBus).
@@ -84,8 +84,10 @@ class EPaperDisplay:
 
         :param display_bus: The bus that the display is connected to
         :type _DisplayBus: displayio.FourWire or displayio.ParallelBus
-        :param ~_typing.ReadableBuffer start_sequence: Byte-packed initialization sequence.
-        :param ~_typing.ReadableBuffer stop_sequence: Byte-packed initialization sequence.
+        :param ~ReadableBuffer start_sequence: Byte-packed
+            initialization sequence.
+        :param ~ReadableBuffer stop_sequence: Byte-packed
+            initialization sequence.
         :param int width: Width in pixels
         :param int height: Height in pixels
         :param int ram_width: RAM width in pixels