sample of work-in-progress library for artdsb projects (http://frijole.info/art-dsb/)

artdsb_sample_loop.py

def show_sample_loop():
    matrix = artdsb_led.api_get_display()
    draw, image = artdsb_led.api_get_drawing()
    ttfFont = load_font()
    
    artdsb_led.api_clear_screen(draw)
    artdsb_led.api_draw_text(draw, ttfFont, "Ready.")
    artdsb_led.api_display_image(image, matrix)
    
    iteration = 0
    iterationLimit = 4
    lastIteration = datetime.datetime.now()
    iterationTimer = 5 # seconds
    
    while True:
        artdsb_led.api_clear_screen(draw)
        
        now = datetime.datetime.now()
        timeSinceIteration = now - lastIteration
        if timeSinceIteration.total_seconds() >= iterationTimer:
            iteration = (iteration + 1) % 4
            lastIteration = now
            
        iterationText = ["one", "twoo", "threee", "chomp"][iteration]
        artdsb_led.api_draw_text(draw, ttfFont, iterationText)
        artdsb_led.api_display_image(image, matrix)

        time.sleep(0.005)