1  """Simple test script for Adafruit 2.13" 212x104 tri-color display
 2  Supported products:
 3    * Adafruit 2.13" Tri-Color Display Breakout
 4    * https://www.adafruit.com/product/4086 (breakout) or
 5    * https://www.adafruit.com/product/4128 (FeatherWing)
 6  """
 7  
 8  import time
 9  import board
10  import displayio
11  import adafruit_il0373
12  
13  # Used to ensure the display is free in CircuitPython
14  displayio.release_displays()
15  
16  # Define the pins needed for display use
17  # This pinout is for a Feather M4 and may be different for other boards
18  spi = board.SPI()  # Uses SCK and MOSI
19  epd_cs = board.D9
20  epd_dc = board.D10
21  epd_reset = board.D5
22  epd_busy = board.D6
23  
24  # Create the displayio connection to the display pins
25  display_bus = displayio.FourWire(
26      spi, command=epd_dc, chip_select=epd_cs, reset=epd_reset, baudrate=1000000
27  )
28  time.sleep(1)  # Wait a bit
29  
30  # Create the display object - the third color is red (0xff0000)
31  display = adafruit_il0373.IL0373(
32      display_bus,
33      width=212,
34      height=104,
35      rotation=90,
36      busy_pin=epd_busy,
37      highlight_color=0xFF0000,
38  )
39  
40  # Create a display group for our screen objects
41  g = displayio.Group()
42  
43  # Display a ruler graphic from the root directory of the CIRCUITPY drive
44  f = open("/display-ruler.bmp", "rb")
45  
46  pic = displayio.OnDiskBitmap(f)
47  # Create a Tilegrid with the bitmap and put in the displayio group
48  t = displayio.TileGrid(pic, pixel_shader=displayio.ColorConverter())
49  g.append(t)
50  
51  # Place the display group on the screen
52  display.show(g)
53  
54  # Refresh the display to have it actually show the image
55  # NOTE: Do not refresh eInk displays sooner than 180 seconds
56  display.refresh()
57  print("refreshed")
58  
59  time.sleep(180)