1  import time
 2  import displayio
 3  from adafruit_gizmo import eink_gizmo
 4  
 5  display = eink_gizmo.EInk_Gizmo()
 6  
 7  # Create a display group for our screen objects
 8  display_group = displayio.Group()
 9  
10  # Display a ruler graphic from the root directory of the CIRCUITPY drive
11  file = open("/display-ruler.bmp", "rb")
12  
13  picture = displayio.OnDiskBitmap(file)
14  # Create a Tilegrid with the bitmap and put in the displayio group
15  sprite = displayio.TileGrid(picture, pixel_shader=displayio.ColorConverter())
16  display_group.append(sprite)
17  
18  # Place the display group on the screen
19  display.show(display_group)
20  
21  # Refresh the display to have it actually show the image
22  # NOTE: Do not refresh eInk displays sooner than 180 seconds
23  display.refresh()
24  print("refreshed")
25  
26  time.sleep(180)