class MultiColorLed:
Config = namedtuple('Config', ['channels', 'pattern'])
OFF = Config(channels=lambda color: Leds.rgb_off(),
pattern=None)
ON = Config(channels=Leds.rgb_on,
pattern=None)
BLINK = Config(channels=Leds.rgb_pattern,
pattern=Pattern.blink(500))
BLINK_3 = BLINK
BEACON = BLINK
BEACON_DARK = BLINK
DECAY = BLINK
PULSE_SLOW = Config(channels=Leds.rgb_pattern,
pattern=Pattern.breathe(500))
PULSE_QUICK = Config(channels=Leds.rgb_pattern,
pattern=Pattern.breathe(100))
def _update(self, state, brightness):
with self._lock:
if state is not None:
self._state = state
if brightness is not None:
self._brightness = brightness
color = (int(255 * self._brightness), 0, 0)
if self._state.pattern:
self._leds.pattern = self._state.pattern
self._leds.update(self._state.channels(color))
def __init__(self, channel):
self._lock = threading.Lock()
self._brightness = 1.0 # Read and written atomically.
self._state = self.OFF
self._leds = Leds()
def close(self):
self._leds.reset()
def __enter__(self):
return self
def __exit__(self, exc_type, exc_value, exc_tb):
self.close()
@property
def brightness(self):
return self._brightness
@brightness.setter
def brightness(self, value):
if value < 0.0 or value > 1.0:
raise ValueError('Brightness must be between 0.0 and 1.0.')
self._update(state=None, brightness=value)
def _set_state(self, state):
self._update(state=state, brightness=None)
state = property(None, _set_state)
time.sleep(0.1)
print('RGB: Blend between GREEN and BLUE for 3.2 seconds')
for i in range(32):
leds.update(Leds.rgb_on(blend(BLUE, GREEN, i / 32)))
time.sleep(0.1)
print('RGB: Off for 1 second')
leds.update(Leds.rgb_off())
time.sleep(1)
print('Privacy: On for 2 seconds')
with PrivacyLed(leds):
time.sleep(2)
print('RGB: Solid GREEN for 2 seconds')
with RgbLeds(leds, Leds.rgb_on(GREEN)):
time.sleep(2)
print('Custom configuration for 5 seconds')
leds.update({
1: Leds.Channel(Leds.Channel.PATTERN, 128), # Red channel
2: Leds.Channel(Leds.Channel.OFF, 0), # Green channel
3: Leds.Channel(Leds.Channel.ON, 128), # Blue channel
4: Leds.Channel(Leds.Channel.PATTERN, 64), # Privacy channel
})
time.sleep(5)
print('Done')
leds.reset()
def main():
leds = Leds()
print('RGB: Solid RED for 1 second')
leds.update(Leds.rgb_on(RED))
time.sleep(1)
print('RGB: Solid GREEN for 1 second')
leds.update(Leds.rgb_on(GREEN))
time.sleep(1)
print('RGB: Solid YELLOW for 1 second')
leds.update(Leds.rgb_on(YELLOW))
time.sleep(1)
print('RGB: Solid BLUE for 1 second')
leds.update(Leds.rgb_on(BLUE))
time.sleep(1)
print('RGB: Solid PURPLE for 1 second')
leds.update(Leds.rgb_on(PURPLE))
time.sleep(1)
print('RGB: Solid CYAN for 1 second')
leds.update(Leds.rgb_on(CYAN))
time.sleep(1)
print('RGB: Solid WHITE for 1 second')
leds.update(Leds.rgb_on(WHITE))
time.sleep(1)
print('RGB: Off for 1 second')
leds.update(Leds.rgb_off())
time.sleep(1)
for _ in range(3):
print('Privacy: On (brightness=default)')
leds.update(Leds.privacy_on())
time.sleep(1)
print('Privacy: Off')
leds.update(Leds.privacy_off())
time.sleep(1)
for _ in range(3):
print('Privacy: On (brightness=5)')
leds.update(Leds.privacy_on(5))
time.sleep(1)
print('Privacy: Off')
leds.update(Leds.privacy_off())
time.sleep(1)
print('Set blink pattern: period=500ms (2Hz)')
leds.pattern = Pattern.blink(500)
print('RGB: Blink RED for 5 seconds')
leds.update(Leds.rgb_pattern(RED))
time.sleep(5)
print('RGB: Blink GREEN for 5 seconds')
leds.update(Leds.rgb_pattern(GREEN))
time.sleep(5)
print('RGB: Blink BLUE for 5 seconds')
leds.update(Leds.rgb_pattern(BLUE))
time.sleep(5)
print('Set breathe pattern: period=1000ms (1Hz)')
leds.pattern = Pattern.breathe(1000)
print('RGB: Breathe RED for 5 seconds')
leds.update(Leds.rgb_pattern(RED))
time.sleep(5)
print('RGB: Breathe GREEN for 5 seconds')
leds.update(Leds.rgb_pattern(GREEN))
time.sleep(5)
print('RGB: Breathe BLUE for 5 seconds')
leds.update(Leds.rgb_pattern(BLUE))
time.sleep(5)
print('RGB: Increase RED brightness for 3.2 seconds')
for i in range(32):
leds.update(Leds.rgb_on((8 * i, 0, 0)))
time.sleep(0.1)
print('RGB: Decrease RED brightness for 3.2 seconds')
for i in reversed(range(32)):
leds.update(Leds.rgb_on((8 * i, 0, 0)))
time.sleep(0.1)
print('RGB: Blend between GREEN and BLUE for 3.2 seconds')
for i in range(32):
leds.update(Leds.rgb_on(blend(BLUE, GREEN, i / 32)))
time.sleep(0.1)
print('RGB: Off for 1 second')
leds.update(Leds.rgb_off())
time.sleep(1)
print('Privacy: On for 2 seconds')
with PrivacyLed(leds):
time.sleep(2)
print('RGB: Solid GREEN for 2 seconds')
with RgbLeds(leds, Leds.rgb_on(GREEN)):
time.sleep(2)
print('Custom configuration for 5 seconds')
leds.update({
1: Leds.Channel(Leds.Channel.PATTERN, 128), # Red channel
2: Leds.Channel(Leds.Channel.OFF, 0), # Green channel
3: Leds.Channel(Leds.Channel.ON, 128), # Blue channel
4: Leds.Channel(Leds.Channel.PATTERN, 64), # Privacy channel
})
time.sleep(5)
print('Done')
leds.reset()
