def main():
enable_speakers()
speaker = AudioOut(board.SPEAKER)
pixels = NeoPixel(board.NEOPIXEL, PIXEL_COUNT)
pixels.brightness = 0.05
handler = Handler(speaker, pixels)
events = [TouchEvent(i, handler.handle) for i in TOUCH_PADS]
while True:
for event in events:
event.process()
else:
self.pixels[0] = 0x000000
class TouchEvent:
THRESHOLD_ADJUSTMENT = 400
def __init__(self, name, onchange):
self.name = name
self.last = False
self.onchange = onchange
pin = getattr(board, name)
self.touch = TouchIn(pin)
self.touch.threshold += self.THRESHOLD_ADJUSTMENT
def process(self):
current = self.touch.value
if current != self.last:
self.onchange(self.name, current)
self.last = current
enable_speakers()
speaker = AudioOut(board.SPEAKER)
pixels = NeoPixel(board.NEOPIXEL, PIXEL_COUNT)
pixels.brightness = 0.05
handler = Handler(speaker, pixels)
event = TouchEvent('A1', handler.handle)
while True:
event.process()
def set_brightness(pixels: NeoPixel, value: float):
pixels.brightness = value
