"""Simple test script for 2.7" 264x176 Tri-Color display shield

Supported products:
  * Adafruit 2.7" Tri-Color ePaper Display Shield
    * https://www.adafruit.com/product/4229
  """
import time
import board
import busio
import displayio
import fourwire
import adafruit_il91874
displayio.release_displays()
spi = board.SPI()
epd_cs = board.D10
epd_dc = board.D9
display_bus = fourwire.FourWire(spi, command=epd_dc, chip_select=epd_cs, baudrate=1000000)
time.sleep(1)
display = adafruit_il91874.IL91874(display_bus, width=264, height=176, highlight_color=0xff0000, rotation=90)
g = displayio.Group()
pic = displayio.OnDiskBitmap("/display-ruler.bmp")
# Create a Tilegrid with the bitmap and put in the displayio group
t = displayio.TileGrid(pic, pixel_shader=pic.pixel_shader)
g.append(t)
# Place the display group on the screen (does not refresh)
display.root_group = g
# Show the image on the display
display.refresh()
print("refreshed")
# Do Not refresh the screen more often than every 180 seconds
#   for eInk displays! Rapid refreshes will damage the panel.
time.sleep(180)