Jeff Epler
f8847a5aac
Previously, a necessary delay at the end of pixel transmission was not enforced. The new test program is intended for a braincraft hat with a 96-pixel LED strip on each of the two GPIO connectors, but can be modified for other uses. Closes: #3
55 lines
1.6 KiB
Python
55 lines
1.6 KiB
Python
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import adafruit_pixelbuf
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import board
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from adafruit_led_animation.animation.rainbow import Rainbow
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from adafruit_led_animation.animation.rainbowchase import RainbowChase
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from adafruit_led_animation.animation.rainbowcomet import RainbowComet
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from adafruit_led_animation.animation.rainbowsparkle import RainbowSparkle
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from adafruit_led_animation.sequence import AnimationSequence
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from adafruit_raspberry_pi5_neopixel_write import neopixel_write
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NEOPIXEL1 = board.D13
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NEOPIXEL2 = board.D12
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num_pixels = 96
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class Pi5Pixelbuf(adafruit_pixelbuf.PixelBuf):
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def __init__(self, pin, size, **kwargs):
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self._pin = pin
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super().__init__(size=size, **kwargs)
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def _transmit(self, buf):
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neopixel_write(self._pin, buf)
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pixels1 = Pi5Pixelbuf(NEOPIXEL1, num_pixels, auto_write=True, byteorder="BGR")
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pixels2 = Pi5Pixelbuf(NEOPIXEL2, num_pixels, auto_write=True, byteorder="BGR")
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def make_animation(pixels):
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rainbow = Rainbow(pixels, speed=0.02, period=2)
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rainbow_chase = RainbowChase(pixels, speed=0.02, size=5, spacing=3)
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rainbow_comet = RainbowComet(pixels, speed=0.02, tail_length=7, bounce=True)
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rainbow_sparkle = RainbowSparkle(pixels, speed=0.02, num_sparkles=15)
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animations = AnimationSequence(
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rainbow,
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rainbow_chase,
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rainbow_comet,
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rainbow_sparkle,
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advance_interval=5,
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auto_clear=True,
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random_order=True,
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)
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return animations
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animation1 = make_animation(pixels1)
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animation2 = make_animation(pixels2)
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try:
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while True:
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animation1.animate()
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animation2.animate()
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finally:
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pixels1.fill(0)
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pixels1.show()
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pixels2.fill(0)
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pixels2.show()
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