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CircuitPython `displayio` drivers for SSD1608-based ePaper displays

Project description

Introduction

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CircuitPython displayio driver for SSD1608-based ePaper displays

Dependencies

This driver depends on:

Please ensure all dependencies are available on the CircuitPython filesystem. This is easily achieved by downloading the Adafruit library and driver bundle.

Installing from PyPI

On supported GNU/Linux systems like the Raspberry Pi, you can install the driver locally from PyPI. To install for current user:

pip3 install adafruit-circuitpython-ssd1608

To install system-wide (this may be required in some cases):

sudo pip3 install adafruit-circuitpython-ssd1608

To install in a virtual environment in your current project:

mkdir project-name && cd project-name
python3 -m venv .env
source .env/bin/activate
pip3 install adafruit-circuitpython-ssd1608

Usage Example

"""Simple test script for 1.54" 200x200 monochrome display.

Supported products:
  * Adafruit 1.54" Monochrome ePaper Display Breakout
    * https://www.adafruit.com/product/4196
  """

import time
import board
import displayio
import adafruit_ssd1608

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_ssd1608.SSD1608(display_bus, width=200, height=200, 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()

print("refreshed")

time.sleep(120)

Contributing

Contributions are welcome! Please read our Code of Conduct before contributing to help this project stay welcoming.

Documentation

For information on building library documentation, please check out this guide.

Project details


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