Create st7789_240x135_simpletest_Pimoroni_Pico_Display_Pack.py

Adding functionality simply for Pimoroni Pico Display Pack

Author: wildestpixel

examples/st7789_240x135_simpletest_Pimoroni_Pico_Display_Pack.py

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+import board
+import busio
+import terminalio
+import displayio
+from adafruit_display_text import label
+from adafruit_st7789 import ST7789
+
+# First set some parameters used for shapes and text
+BORDER = 20
+FONTSCALE = 2
+BACKGROUND_COLOR = 0x00FF00  # Bright Green
+FOREGROUND_COLOR = 0xAA0088  # Purple
+TEXT_COLOR = 0xFFFF00
+
+# Release any resources currently in use for the displays
+displayio.release_displays()
+
+tft_cs = board.GP17
+tft_dc = board.GP16
+spi_mosi = board.GP19
+spi_clk = board.GP18
+spi = busio.SPI(spi_clk, spi_mosi)
+
+display_bus = displayio.FourWire(spi, command=tft_dc, chip_select=tft_cs)
+display = ST7789(
+    display_bus, rotation=270, width=240, height=135, rowstart=40, colstart=53
+)
+
+# Make the display context
+splash = displayio.Group(max_size=10)
+display.show(splash)
+
+color_bitmap = displayio.Bitmap(display.width, display.height, 1)
+color_palette = displayio.Palette(1)
+color_palette[0] = BACKGROUND_COLOR
+
+bg_sprite = displayio.TileGrid(color_bitmap, pixel_shader=color_palette, x=0, y=0)
+splash.append(bg_sprite)
+
+# Draw a smaller inner rectangle
+inner_bitmap = displayio.Bitmap(
+    display.width - BORDER * 2, display.height - BORDER * 2, 1
+)
+inner_palette = displayio.Palette(1)
+inner_palette[0] = FOREGROUND_COLOR
+inner_sprite = displayio.TileGrid(
+    inner_bitmap, pixel_shader=inner_palette, x=BORDER, y=BORDER
+)
+splash.append(inner_sprite)
+
+# Draw a label
+text = "Hello World!"
+text_area = label.Label(terminalio.FONT, text=text, color=TEXT_COLOR)
+text_width = text_area.bounding_box[2] * FONTSCALE
+text_group = displayio.Group(
+    max_size=10,
+    scale=FONTSCALE,
+    x=display.width // 2 - text_width // 2,
+    y=display.height // 2,
+)
+text_group.append(text_area)  # Subgroup for text scaling
+splash.append(text_group)
+
+while True:
+    pass