Introduction
CircuitPython displayio driver for SSD1680-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 or individual libraries can be installed using circup.
Adafruit 2.13” 250x122 Tri-Color eInk / ePaper Display with SRAM - SSD1680 Driver
Purchase the Breakout from the Adafruit shop
Adafruit 2.13” HD Tri-Color eInk / ePaper Display FeatherWing - 250x122 RW Panel with SSD1680
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-ssd1680To install system-wide (this may be required in some cases):
sudo pip3 install adafruit-circuitpython-ssd1680To install in a virtual environment in your current project:
mkdir project-name && cd project-name
python3 -m venv .venv
source .venv/bin/activate
pip3 install adafruit-circuitpython-ssd1680Usage Example
import time
import board
import displayio
import fourwire
import adafruit_ssd1680
displayio.release_displays()
# This pinout works on a Metro 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.D8 # Set to None for FeatherWing
epd_busy = board.D7 # Set to None for FeatherWing
display_bus = fourwire.FourWire(
spi, command=epd_dc, chip_select=epd_cs, reset=epd_reset, baudrate=1000000
)
time.sleep(1)
# For issues with display not updating top/bottom rows correctly set colstart to 8, 0, or -8
display = adafruit_ssd1680.SSD1680(
display_bus,
width=250,
height=122,
busy_pin=epd_busy,
highlight_color=0xFF0000,
rotation=270,
colstart=-8, # Comment out for older displays
)
g = displayio.Group()
pic = displayio.OnDiskBitmap("/display-ruler.bmp")
t = displayio.TileGrid(pic, pixel_shader=pic.pixel_shader)
g.append(t)
display.root_group = g
display.refresh()
print("refreshed")
time.sleep(120)Documentation
API documentation for this library can be found on Read the Docs.
For information on building library documentation, please check out this guide.
Contributing
Contributions are welcome! Please read our Code of Conduct before contributing to help this project stay welcoming.
1 maintainer
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