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.
 4  
 5  Pinouts are for the 1.3" TFT Bonnet and should be run in CPython.
 6  """
 7  import board
 8  import terminalio
 9  import displayio
10  from adafruit_display_text import label
11  from adafruit_st7789 import ST7789
12  
13  # Release any resources currently in use for the displays
14  displayio.release_displays()
15  
16  spi = board.SPI()
17  tft_cs = board.CE0
18  tft_dc = board.D25
19  tft_lite = board.D26
20  
21  display_bus = displayio.FourWire(spi, command=tft_dc, chip_select=tft_cs)
22  
23  display = ST7789(
24      display_bus,
25      width=240,
26      height=240,
27      rowstart=80,
28      rotation=180,
29      backlight_pin=tft_lite,
30  )
31  
32  # Make the display context
33  splash = displayio.Group(max_size=10)
34  display.show(splash)
35  
36  color_bitmap = displayio.Bitmap(240, 240, 1)
37  color_palette = displayio.Palette(1)
38  color_palette[0] = 0x00FF00  # Bright Green
39  
40  bg_sprite = displayio.TileGrid(color_bitmap, pixel_shader=color_palette, x=0, y=0)
41  splash.append(bg_sprite)
42  
43  # Draw a smaller inner rectangle
44  inner_bitmap = displayio.Bitmap(200, 200, 1)
45  inner_palette = displayio.Palette(1)
46  inner_palette[0] = 0xAA0088  # Purple
47  inner_sprite = displayio.TileGrid(inner_bitmap, pixel_shader=inner_palette, x=20, y=20)
48  splash.append(inner_sprite)
49  
50  # Draw a label
51  text_group = displayio.Group(max_size=10, scale=2, x=50, y=120)
52  text = "Hello World!"
53  text_area = label.Label(terminalio.FONT, text=text, color=0xFFFF00)
54  text_group.append(text_area)  # Subgroup for text scaling
55  splash.append(text_group)
56  
57  while True:
58      pass