Introduction
============
.. image:: https://readthedocs.org/projects/adafruit-circuitpython-il0398/badge/?version=latest
:target: https://docs.circuitpython.org/projects/il0398/en/latest/
:alt: Documentation Status
.. image:: https://raw.githubusercontent.com/adafruit/Adafruit_CircuitPython_Bundle/main/badges/adafruit_discord.svg
:target: https://adafru.it/discord
:alt: Discord
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:target: https://github.com/adafruit/Adafruit_CircuitPython_IL0398/actions
:alt: Build Status
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:target: https://github.com/psf/black
:alt: Code Style: Black
CircuitPython displayio drivers for IL0398 driven e-paper displays
Dependencies
=============
This driver depends on:
* `Adafruit CircuitPython <https://github.com/adafruit/circuitpython>`_
Please ensure all dependencies are available on the CircuitPython filesystem.
This is easily achieved by downloading
`the Adafruit library and driver bundle <https://github.com/adafruit/Adafruit_CircuitPython_Bundle>`_.
Installing from PyPI
=====================
On supported GNU/Linux systems like the Raspberry Pi, you can install the driver locally `from
PyPI <https://pypi.org/project/adafruit-circuitpython-il0398/>`_. To install for current user:
.. code-block:: shell
pip3 install adafruit-circuitpython-il0398
To install system-wide (this may be required in some cases):
.. code-block:: shell
sudo pip3 install adafruit-circuitpython-il0398
To install in a virtual environment in your current project:
.. code-block:: shell
mkdir project-name && cd project-name
python3 -m venv .venv
source .venv/bin/activate
pip3 install adafruit-circuitpython-il0398
Usage Example
=============
.. code-block:: python
"""Simple test script for 4.2" 400x300 black and white displays.
Supported products:
* WaveShare 4.2" Black and White
* https://www.waveshare.com/product/modules/oleds-lcds/e-paper/4.2inch-e-paper.htm
* https://www.waveshare.com/product/modules/oleds-lcds/e-paper/4.2inch-e-paper-module.htm
"""
import time
import board
import displayio
import adafruit_il0398
displayio.release_displays()
# This pinout works on a Feather M4 and may need to be altered for other boards.
spi = board.SPI() # Uses SCK and MOSI
epd_cs = board.D9
epd_dc = board.D10
epd_reset = board.D5
epd_busy = board.D6
display_bus = displayio.FourWire(spi, command=epd_dc, chip_select=epd_cs, reset=epd_reset,
baudrate=1000000)
time.sleep(1)
display = adafruit_il0398.IL0398(display_bus, width=400, height=300, seconds_per_frame=20,
busy_pin=epd_busy)
g = displayio.Group()
f = open("/display-ruler.bmp", "rb")
pic = displayio.OnDiskBitmap(f)
# CircuitPython 6 & 7 compatible
t = displayio.TileGrid(
pic, pixel_shader=getattr(pic, "pixel_shader", displayio.ColorConverter())
)
# CircuitPython 7 compatible only
# t = displayio.TileGrid(pic, pixel_shader=pic.pixel_shader)
g.append(t)
display.show(g)
display.refresh()
time.sleep(120)
Documentation
=============
API documentation for this library can be found on `Read the Docs <https://docs.circuitpython.org/projects/il0398/en/latest/>`_.
For information on building library documentation, please check out `this guide <https://learn.adafruit.com/creating-and-sharing-a-circuitpython-library/sharing-our-docs-on-readthedocs#sphinx-5-1>`_.
Contributing
============
Contributions are welcome! Please read our `Code of Conduct
<https://github.com/adafruit/Adafruit_CircuitPython_IL0398/blob/main/CODE_OF_CONDUCT.md>`_
before contributing to help this project stay welcoming.
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