74 lines
2.7 KiB
Python
74 lines
2.7 KiB
Python
# CircusPython!
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# For use with the Adafruit BlueFruit LE Connect app.
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# Works with CircuitPython 5.0.0-beta.0 and later running on an nRF52840 board.
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import random
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import time
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from adafruit_crickit import crickit
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from adafruit_ble import BLERadio
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from adafruit_ble.advertising.standard import ProvideServicesAdvertisement
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from adafruit_ble.services.nordic import UARTService
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from adafruit_bluefruit_connect.packet import Packet
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# Only the packet classes that are imported will be known to Packet.
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from adafruit_bluefruit_connect.color_packet import ColorPacket
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from adafruit_bluefruit_connect.button_packet import ButtonPacket
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# Initialize the NeoPixel ring to a fire color, not too bright.
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crickit.init_neopixel(24, brightness=0.1)
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color = (25, 12, 0)
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# Creates a sparkly "fire"-like effect.
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def sparkle():
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crickit.neopixel[random.randrange(24)] = (0, 0, 0)
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crickit.neopixel[random.randrange(24)] = color
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crickit.neopixel[random.randrange(24)] = color
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crickit.neopixel[random.randrange(24)] = color
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ble = BLERadio()
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uart_service = UARTService()
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advertisement = ProvideServicesAdvertisement(uart_service)
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# Increase this to slow down movement of the servo arm.
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DELAY = 0.0
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# Angle for Blinka before jumping through the ring.
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UP_ANGLE = 50
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# Go to this angle when jumping through the ring. Adjust
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# slightly as necessary so you don't bump into the ring.
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DOWN_ANGLE = 2
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crickit.servo_1.angle = UP_ANGLE
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angle = UP_ANGLE
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while True:
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ble.start_advertising(advertisement)
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while not ble.connected:
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sparkle()
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while ble.connected:
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sparkle()
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if uart_service.in_waiting:
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packet = Packet.from_stream(uart_service)
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if isinstance(packet, ColorPacket):
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# Change the fire color.
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color = packet.color
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elif isinstance(packet, ButtonPacket):
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if packet.pressed:
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if packet.button == '5' and angle != UP_ANGLE:
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# The Up button was pressed.
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for a in range(angle, UP_ANGLE+1, 1):
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crickit.servo_1.angle = a
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# Sparkle while moving.
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sparkle()
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time.sleep(DELAY)
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angle = UP_ANGLE
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elif packet.button == '6' and angle != DOWN_ANGLE:
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# The Down button was pressed.
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for a in range(angle, DOWN_ANGLE-1, -1):
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crickit.servo_1.angle = a
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# Sparkle while moving.
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sparkle()
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time.sleep(DELAY)
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angle = DOWN_ANGLE
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