tail_length=6,
bounce=False)
comet1 = Comet(pixels,
speed=0.05,
color=(255, 255, 0),
tail_length=6,
bounce=True)
rainbow = Rainbow(pixels, speed=0.1, period=2, step=10)
animations = AnimationSequence(comet, comet1, rainbow, advance_interval=6)
comet.add_cycle_complete_receiver(switch_colors)
comet.notify_cycles = 2
ble = BLERadio()
uart_service = UARTService()
advertisement = ProvideServicesAdvertisement(uart_service)
while True:
#advertise when not connected
ble.start_advertising(advertisement)
while not ble.connected:
animations.animate()
ble.stop_advertising()
while ble.connected:
animations.animate()
if uart_service.in_waiting:
packet = Packet.from_stream(uart_service)
if isinstance(packet, ColorPacket):
animations.color = packet.color
animations.reset()
was_connected = False
while not was_connected or ble.connected:
if not blanked: # If LED-off signal is not being sent...
animations.animate() # Run the animations.
if ble.connected: # If BLE is connected...
was_connected = True
if uart.in_waiting: # Check to see if any data is available.
try:
packet = Packet.from_stream(
uart) # Create the packet object.
except ValueError:
continue
if isinstance(packet,
ColorPacket): # If the packet is color packet...
if mode == 0: # And mode is 0...
animations.color = packet.color # Update the animation to the color.
print("Color:", packet.color)
animation_color = packet.color # Keep track of the current color...
elif mode == 1: # Because if mode is 1...
animations.color = animation_color # Freeze the animation color.
print("Color:", animation_color)
elif isinstance(
packet,
ButtonPacket): # If the packet is a button packet...
if packet.pressed: # If the buttons in the app are pressed...
if packet.button == ButtonPacket.LEFT: # If left arrow is pressed...
print("A pressed: animation mode changed.")
animations.next() # Change to the next animation.
elif packet.button == ButtonPacket.RIGHT: # If right arrow is pressed...
mode += 1 # Increase the mode by 1.
if mode == 1: # If mode is 1, print the following: