Interfacing (DSI, CSI, I2C, etc.) • Re: Subject: Conflict Between HiFiBerry DAC and ST7735 Display on Raspberry Pi

Code:

from rotary import RotaryEncoderfrom animation import Displayfrom mixer import Mixerfrom PIL import Image, ImageDraw, ImageFontimport argparseimport pathlibimport timeimport sysimport osimport st7735WIDTH = 160HEIGHT = 128def draw_image() -> Image:    img = Image.new("RGB", (WIDTH, HEIGHT), color=(255, 0, 0))    draw = ImageDraw.Draw(img)    # Draw a purple rectangle with yellow outline.    draw.rectangle((10, 10, WIDTH - 10, HEIGHT - 10), outline=(255, 255, 0), fill=(255, 0, 255))    # Draw some shapes.    # Draw a blue ellipse with a green outline.    draw.ellipse((10, 10, WIDTH - 10, HEIGHT - 10), outline=(0, 255, 0), fill=(0, 0, 255))    # Draw a white X.    draw.line((10, 10, WIDTH - 10, HEIGHT - 10), fill=(255, 255, 255))    draw.line((10, HEIGHT - 10, WIDTH - 10, 10), fill=(255, 255, 255))    # Draw a cyan triangle with a black outline.    draw.polygon([(WIDTH / 2, 10), (WIDTH - 10, HEIGHT - 10), (10, HEIGHT - 10)], outline=(0, 0, 0), fill=(0, 255, 255))    # Load default font.    font = ImageFont.load_default()    # Alternatively load a TTF font.    # Some other nice fonts to try: http://www.dafont.com/bitmap.php    # font = ImageFont.truetype("Minecraftia.ttf", 16)    return imgif __name__ == "__main__":    parser = argparse.ArgumentParser(description="Music-box CLI")    parser.add_argument(        "file",        type=pathlib.Path,        help=("Path of the song to play")    )    if len(sys.argv) == 1:        parser.print_help()        sys.exit()    args = parser.parse_args()    song_file = args.file    process_id = os.fork()    if process_id > 0:        mixer = Mixer()        rotary_encoder = RotaryEncoder(mixer=mixer)        mixer.music_load(song_file)        mixer.music_play()        try:            while mixer.music_get_busy():                pass        except KeyboardInterrupt:            pass        finally:            rotary_encoder.clean_channels()    else:        disp = Display()        img = draw_image()        disp.display(img)