92 lines
3 KiB
Python
92 lines
3 KiB
Python
"""
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Crystal Gem Light Strand Project By Erin St Blaine for Adafruit Industries
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https://learn.adafruit.com/no-solder-papercraft-crystal-light-strand
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Circuit Playground Bluetooth with LED strand attached runs 4 different variable animation modes.
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Code by Roy Hooper using Adafruit's LED Animation Library:
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https://learn.adafruit.com/circuitpython-led-animations/overview
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"""
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# pylint: disable=attribute-defined-outside-init
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#Import libraries
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import board
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import neopixel
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from rainbowio import colorwheel
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from adafruit_circuitplayground import cp
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from adafruit_led_animation.animation.solid import Solid
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from adafruit_led_animation.animation import Animation
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from adafruit_led_animation.animation.rainbow import Rainbow
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from adafruit_led_animation.animation.sparkle import Sparkle
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from adafruit_led_animation.sequence import AnimationSequence
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from adafruit_led_animation.color import WHITE
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speeds = (0.25, 0.125, 0.1, 0.08, 0.05, 0.02, 0.01) # Customize speed levels here
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# periods = (7, 6, 5, 4, 3, 2, 1)
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class RainbowFade(Animation):
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_color_index = 0
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def __init__(self, pixel_object, speed, name):
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super().__init__(pixel_object, speed=speed, color=WHITE, name=name)
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def draw(self):
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self.color = colorwheel(self._color_index)
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self._color_index = (self._color_index + 1) % 256
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self.fill(self.color)
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current_speed = 4
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# Set your number of pixels here
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pixel_num = 20
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pixel_pin = board.A1
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pixels = neopixel.NeoPixel(pixel_pin, pixel_num, brightness=1, auto_write=False)
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# Animation Setup
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rainbow = Rainbow(pixels, speed=speeds[current_speed], period=2, name="rainbow", step=3)
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sparkle = Sparkle(pixels, speed=speeds[current_speed], color=WHITE, name="sparkle")
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rainbowfade = RainbowFade(pixels, speed=speeds[current_speed], name="rainbowfade")
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solid = Solid(pixels, color=colorwheel(0), name="solid")
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# Animation Sequence Playlist -- rearrange to change the order of animations
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animations = AnimationSequence(
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rainbow,
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rainbowfade,
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solid,
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sparkle,
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auto_clear=True,
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auto_reset=True,
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)
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solid.speed = 0.01
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solid_color = 0
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while True:
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if cp.switch: # if slide switch is in the "on" position, run animations
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animations.animate() #play animation sequence
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if cp.button_a:
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animations.next()
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while cp.button_a:
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continue
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if cp.button_b:
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if animations.current_animation.name == "solid":
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solid_color = (solid_color + 8) % 256
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animations.current_animation.color = colorwheel(solid_color)
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else:
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current_speed += 1
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if current_speed >= len(speeds):
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current_speed = 0
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rainbow.speed = speeds[current_speed]
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sparkle.speed = speeds[current_speed]
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rainbowfade.speed = speeds[current_speed]
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print(speeds[current_speed])
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while cp.button_b:
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continue
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else: # If slide switch is in the "off" position, set pixels to black
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pixels.fill(0)
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pixels.show()
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