Simple test¶
Ensure your device works with this simple test.
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 | import digitalio
import busio
import board
from adafruit_epd.epd import Adafruit_EPD
from adafruit_epd.il0373 import Adafruit_IL0373
from adafruit_epd.il91874 import Adafruit_IL91874 # pylint: disable=unused-import
from adafruit_epd.il0398 import Adafruit_IL0398 # pylint: disable=unused-import
from adafruit_epd.ssd1608 import Adafruit_SSD1608 # pylint: disable=unused-import
from adafruit_epd.ssd1675 import Adafruit_SSD1675 # pylint: disable=unused-import
# create the spi device and pins we will need
spi = busio.SPI(board.SCK, MOSI=board.MOSI, MISO=board.MISO)
ecs = digitalio.DigitalInOut(board.D12)
dc = digitalio.DigitalInOut(board.D11)
srcs = digitalio.DigitalInOut(board.D10) # can be None to use internal memory
rst = digitalio.DigitalInOut(board.D9) # can be None to not use this pin
busy = digitalio.DigitalInOut(board.D5) # can be None to not use this pin
# give them all to our driver
print("Creating display")
#display = Adafruit_SSD1608(200, 200, spi, # 1.54" HD mono display
#display = Adafruit_SSD1675(250, 122, spi, # 2.13" HD mono display
#display = Adafruit_IL91874(176, 264, spi, # 2.7" Tri-color display
#display = Adafruit_IL0373(152, 152, spi, # 1.54" Tri-color display
#display = Adafruit_IL0373(128, 296, spi, # 2.9" Tri-color display
#display = Adafruit_IL0398(400, 300, spi, # 4.2" Tri-color display
display = Adafruit_IL0373(104, 212, spi, # 2.13" Tri-color display
cs_pin=ecs, dc_pin=dc, sramcs_pin=srcs,
rst_pin=rst, busy_pin=busy)
# IF YOU HAVE A FLEXIBLE DISPLAY (2.13" or 2.9") uncomment these lines!
#display.set_black_buffer(1, False)
#display.set_color_buffer(1, False)
display.rotation = 1
# clear the buffer
print("Clear buffer")
display.fill(Adafruit_EPD.WHITE)
display.pixel(10, 100, Adafruit_EPD.BLACK)
print("Draw Rectangles")
display.fill_rect(5, 5, 10, 10, Adafruit_EPD.RED)
display.rect(0, 0, 20, 30, Adafruit_EPD.BLACK)
print("Draw lines")
display.line(0, 0, display.width-1, display.height-1, Adafruit_EPD.BLACK)
display.line(0, display.height-1, display.width-1, 0, Adafruit_EPD.RED)
print("Draw text")
display.text('hello world', 25, 10, Adafruit_EPD.BLACK)
display.display()
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