1  """
 2  This test will initialize the display using displayio and draw a solid green
 3  background, a smaller purple rectangle, and some yellow text. All drawing is done
 4  using the displayio module.
 5  
 6  Pinouts are for the PiTFT and should be run in CPython.
 7  """
 8  import board
 9  import terminalio
10  import displayio
11  from adafruit_display_text import label
12  import adafruit_ili9341
13  
14  # Release any resources currently in use for the displays
15  displayio.release_displays()
16  
17  spi = board.SPI()
18  tft_cs = board.CE0
19  tft_dc = board.D25
20  
21  display_bus = displayio.FourWire(spi, command=tft_dc, chip_select=tft_cs)
22  display = adafruit_ili9341.ILI9341(display_bus, width=320, height=240)
23  
24  # Make the display context
25  splash = displayio.Group(max_size=10)
26  display.show(splash)
27  
28  # Draw a green background
29  color_bitmap = displayio.Bitmap(display.width, display.height, 1)
30  color_palette = displayio.Palette(1)
31  color_palette[0] = 0x00FF00  # Bright Green
32  
33  bg_sprite = displayio.TileGrid(color_bitmap, pixel_shader=color_palette, x=0, y=0)
34  
35  splash.append(bg_sprite)
36  
37  # Draw a smaller inner rectangle
38  inner_bitmap = displayio.Bitmap(display.width - 40, display.height - 40, 1)
39  inner_palette = displayio.Palette(1)
40  inner_palette[0] = 0xAA0088  # Purple
41  inner_sprite = displayio.TileGrid(inner_bitmap, pixel_shader=inner_palette, x=20, y=20)
42  splash.append(inner_sprite)
43  
44  # Draw a label
45  text_group = displayio.Group(max_size=10, scale=3, x=57, y=120)
46  text = "Hello World!"
47  text_area = label.Label(terminalio.FONT, text=text, color=0xFFFF00)
48  text_group.append(text_area)  # Subgroup for text scaling
49  splash.append(text_group)
50  
51  while True:
52      pass