X-Git-Url: https://git.ayoreis.com/hackapet/Adafruit_Blinka_Displayio.git/blobdiff_plain/09889f5e46420240ade4451f7af6f54814f8cfcd..37b04a7ad611fe0578dc3a18248a085df7abe5e1:/paralleldisplay.py diff --git a/paralleldisplay.py b/paralleldisplay.py deleted file mode 100644 index 4e828cc..0000000 --- a/paralleldisplay.py +++ /dev/null @@ -1,87 +0,0 @@ -# SPDX-FileCopyrightText: 2020 Melissa LeBlanc-Williams for Adafruit Industries -# -# SPDX-License-Identifier: MIT - -""" -`paralleldisplay` -================================================================================ - -paralleldisplay for Blinka - -**Software and Dependencies:** - -* Adafruit Blinka: - https://github.com/adafruit/Adafruit_Blinka/releases - -* Author(s): Melissa LeBlanc-Williams - -""" - -from typing import Optional -import microcontroller -from circuitpython_typing import ReadableBuffer - -__version__ = "0.0.0+auto.0" -__repo__ = "https://github.com/adafruit/Adafruit_Blinka_displayio.git" - - -class ParallelBus: - """Manage updating a display over 8-bit parallel bus in the background while Python code - runs. This protocol may be refered to as 8080-I Series Parallel Interface in datasheets. - It doesn't handle display initialization. - """ - - def __init__( - self, - *, - data0: microcontroller.Pin, - command: microcontroller.Pin, - chip_select: microcontroller.Pin, - write: microcontroller.Pin, - read: Optional[microcontroller.Pin], - reset: Optional[microcontroller.Pin] = None, - frequency: int = 30000000, - ): - # pylint: disable=unnecessary-pass - """Create a ParallelBus object associated with the given pins. The - bus is inferred from data0 by implying the next 7 additional pins on a given GPIO - port. - - The parallel bus and pins are then in use by the display until - displayio.release_displays() is called even after a reload. (It does this so - CircuitPython can use the display after your code is done.) So, the first time you - initialize a display bus in code.py you should call - :py:func`displayio.release_displays` first, otherwise it will error after the first - code.py run. - """ - pass - - def reset(self) -> None: - """Performs a hardware reset via the reset pin. Raises an exception if called when - no reset pin is available. - """ - raise NotImplementedError("ParallelBus reset has not been implemented yet") - - def send(self, command: int, data: ReadableBuffer) -> None: - """Sends the given command value followed by the full set of data. Display state, - such as vertical scroll, set via ``send`` may or may not be reset once the code is - done. - """ - raise NotImplementedError("ParallelBus send has not been implemented yet") - - def _send( - self, - _data_type: int, - _chip_select: int, - _data: ReadableBuffer, - ) -> None: - pass - - def _free(self) -> bool: - """Attempt to free the bus and return False if busy""" - - def _begin_transaction(self) -> bool: - pass - - def _end_transaction(self) -> None: - pass