def on(self):
blue_modulo = 3
for i in range(self.n):
NeoPixel.__setitem__(self, i, (255, 0, 0))
if i % blue_modulo == 0:
NeoPixel.__setitem__(self, i, (61, 0, 255))
NeoPixel.write(self)
self._on = True
def demo(self, program="cycle"):
self.off()
try:
n = self.n
if program == "cycle":
for i in range(4 * n):
for j in range(n):
NeoPixel.__setitem__(self, j, [0, 0, 0])
NeoPixel.__setitem__(self, i % n, [255, 255, 255])
NeoPixel.write(self)
time.sleep_ms(25)
elif program == "bounce":
for i in range(4 * n):
for j in range(n):
NeoPixel.__setitem__(self, j, [0, 0, 128])
if (i // n) % 2 == 0:
NeoPixel.__setitem__(self, i % n, [0, 0, 0])
else:
NeoPixel.__setitem__(self, n - 1 - (i % n), [0, 0, 0])
NeoPixel.write(self)
time.sleep_ms(60)
elif program == "fade":
for i in range(0, 4 * 256, 8):
for j in range(n):
if (i // 256) % 2 == 0:
val = i & 0xff
else:
val = 255 - (i & 0xff)
NeoPixel.__setitem__(self, j, [val, 0, 128])
NeoPixel.write(self)
finally:
self.off()
