diff --git a/examples/st7789_240x135_simpletest.py b/examples/st7789_240x135_simpletest.py new file mode 100644 index 0000000..41b53fe --- /dev/null +++ b/examples/st7789_240x135_simpletest.py @@ -0,0 +1,60 @@ +""" +This test will initialize the display using displayio and draw a solid green +background, a smaller purple rectangle, and some yellow text. +""" +import board +import displayio +import terminalio +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() + +spi = board.SPI() +tft_cs = board.D5 +tft_dc = board.D6 + +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