# SPDX-FileCopyrightText: 2017 Scott Shawcroft, written for Adafruit Industries # SPDX-FileCopyrightText: Copyright (c) 2021 Melissa LeBlanc-Williams for Adafruit Industries # # SPDX-License-Identifier: Unlicense """Simple test script for 2.9" 296x128 monochrome display. Supported products: * Adafruit Flexible 2.9" Monochrome * https://www.adafruit.com/product/4262 """ # pylint: disable=no-member import time import board import displayio from fourwire import FourWire import adafruit_uc8151d 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 = None display_bus = FourWire(spi, command=epd_dc, chip_select=epd_cs, reset=epd_reset, baudrate=1000000) time.sleep(1) display = adafruit_uc8151d.UC8151D( display_bus, width=296, height=128, rotation=90, busy_pin=epd_busy ) g = displayio.Group() pic = displayio.OnDiskBitmap("/display-ruler.bmp") t = displayio.TileGrid(pic, pixel_shader=pic.pixel_shader) g.append(t) # Place the display group on the screen display.root_group = g # Refresh the display to have it actually show the image # NOTE: Do not refresh eInk displays sooner than 180 seconds display.refresh() print("refreshed") time.sleep(180)