Simple test
Ensure your monochrome featherwing works with this simple test.
examples/ssd1675_simpletest.py
1# SPDX-FileCopyrightText: 2021 ladyada for Adafruit Industries
2# SPDX-License-Identifier: MIT
3
4"""Simple test script for 2.13" 250x122 black and white featherwing.
5
6Supported products:
7 * Adafruit 2.13" Black and White FeatherWing
8 * https://www.adafruit.com/product/4195
9 """
10
11import time
12import board
13import displayio
14import adafruit_ssd1675
15
16displayio.release_displays()
17
18epd_cs = board.D9
19epd_dc = board.D10
20
21display_bus = displayio.FourWire(
22 board.SPI(), command=epd_dc, chip_select=epd_cs, baudrate=1000000
23)
24time.sleep(1)
25
26display = adafruit_ssd1675.SSD1675(display_bus, width=250, height=122, rotation=270)
27
28g = displayio.Group()
29
30with open("/display-ruler.bmp", "rb") as f:
31 pic = displayio.OnDiskBitmap(f)
32 # CircuitPython 6 & 7 compatible
33 t = displayio.TileGrid(
34 pic, pixel_shader=getattr(pic, "pixel_shader", displayio.ColorConverter())
35 )
36 # CircuitPython 7 compatible only
37 # t = displayio.TileGrid(pic, pixel_shader=pic.pixel_shader)
38 g.append(t)
39
40 display.show(g)
41
42 display.refresh()
43
44 print("refreshed")
45
46 time.sleep(120)
2.13” Monochrome
Ensure your 2.13” Monochrome breakout works with this simple test.
examples/ssd1675_2.13_monochrome.py
1# SPDX-FileCopyrightText: 2021 ladyada for Adafruit Industries
2# SPDX-License-Identifier: MIT
3
4"""Simple test script for 2.13" 250x122 monochrome display.
5
6Supported products:
7 * Adafruit 2.13" Monochrome ePaper Display Breakout
8 * https://www.adafruit.com/product/4197
9 """
10
11import time
12import board
13import displayio
14import adafruit_ssd1675
15
16displayio.release_displays()
17
18# This pinout works on a Feather M4 and may need to be altered for other boards.
19spi = board.SPI() # Uses SCK and MOSI
20epd_cs = board.D9
21epd_dc = board.D10
22epd_reset = board.D5
23epd_busy = board.D6
24
25display_bus = displayio.FourWire(
26 spi, command=epd_dc, chip_select=epd_cs, reset=epd_reset, baudrate=1000000
27)
28time.sleep(1)
29
30display = adafruit_ssd1675.SSD1675(
31 display_bus, width=250, height=122, rotation=270, busy_pin=epd_busy
32)
33
34g = displayio.Group()
35
36with open("/display-ruler.bmp", "rb") as f:
37 pic = displayio.OnDiskBitmap(f)
38 # CircuitPython 6 & 7 compatible
39 t = displayio.TileGrid(
40 pic, pixel_shader=getattr(pic, "pixel_shader", displayio.ColorConverter())
41 )
42 # CircuitPython 7 compatible only
43 # t = displayio.TileGrid(pic, pixel_shader=pic.pixel_shader)
44 g.append(t)
45
46 display.show(g)
47
48 display.refresh()
49
50 print("refreshed")
51
52 time.sleep(120)