class LightController(object):
def __init__(self, analyzer, config):
self.analyzer = ref(analyzer)
self.songConfig = SongConfig(config)
GPIO.setmode(GPIO.BCM)
for pin in pins:
GPIO.setup(pin, GPIO.OUT)
GPIO.output(pin, False)
self.lastLightUpdate = datetime.datetime.now()
self.previousLightStates = [False] * analyzer.frequencyBands
def _onChunk(self):
now = datetime.datetime.now()
if (now - self.lastLightUpdate).total_seconds() > delayBetweenUpdates:
self.lastLightUpdate = now
spectrum = self.analyzer().spectrum
bands = [spectrum[i] for i in self.songConfig.frequencyBandOrder]
lightStates = [level > self.songConfig.frequencyThresholds[channel] for channel, level in enumerate(bands)]
for channel, value in enumerate(lightStates):
if not value:
if self.previousLightStates[channel]:
lightStates[channel] = bands[channel] > self.songConfig.frequencyOffThresholds[channel]
for channel, value in enumerate(lightStates):
if self.previousLightStates[channel] != value:
GPIO.output(pins[channel], value)
self.previousLightStates = lightStates
def onMessage(self, message):
messageType = message[0]
if messageType == "songChange":
self.songConfig.loadSongSettings(*message[1:])
elif messageType == "chunk":
self._onChunk()
def __init__(self, analyzer, config):
self.analyzer = ref(analyzer)
self.songConfig = SongConfig(config)
GPIO.setmode(GPIO.BCM)
for pin in pins:
GPIO.setup(pin, GPIO.OUT)
GPIO.output(pin, False)
self.lastLightUpdate = datetime.datetime.now()
self.previousLightStates = [False] * analyzer.frequencyBands
def __init__(self, analyzer, config):
self.analyzer = ref(analyzer)
self.songConfig = SongConfig(config)
ansi.info('Serial connecting to {} at {} bps', serialDevice, serialSpeed)
self.serial = serial.Serial(serialDevice, serialSpeed, timeout=1)
# Assume we're already started unless we're using the USB interface to the Arduino.
self.ready = 'ttyACM' not in serialDevice
while not self.ready:
if self.readFromSerial().startswith('LSDG Holiday Light controller ver '):
self.ready = True
self.lastLightUpdate = datetime.datetime.now()
self.previousLightStates = [False] * analyzer.frequencyBands
self.lightUpdateTimes = [time.time() for x in range(int(config.get('spectrum', 'frequencyBands')))]
class LightController(object):
def __init__(self, analyzer, config):
self.analyzer = ref(analyzer)
self.songConfig = SongConfig(config)
ansi.info('Serial connecting to {} at {} bps', serialDevice, serialSpeed)
self.serial = serial.Serial(serialDevice, serialSpeed, timeout=1)
# Assume we're already started unless we're using the USB interface to the Arduino.
self.ready = 'ttyACM' not in serialDevice
while not self.ready:
if self.readFromSerial().startswith('LSDG Holiday Light controller ver '):
self.ready = True
self.lastLightUpdate = datetime.datetime.now()
self.previousLightStates = [False] * analyzer.frequencyBands
self.lightUpdateTimes = [time.time() for x in range(int(config.get('spectrum', 'frequencyBands')))]
def readFromSerial(self):
data = self.serial.readline()
if serialDebug:
ansi.stdout(
"{style.bold.fg.black} Arduino -> RPi:{style.none} {data!r}",
data=data
)
return data
def writeToSerial(self, data):
if serialDebug:
ansi.stdout(
"{style.bold.fg.black}Arduino <- RPi :{style.none} {data!r}",
data=data
)
self.serial.write(data)
def _onChunk(self):
spectrum = self.analyzer().spectrum
if spectrum is not None:
spectrumBands = len(spectrum) - 1
bands = [spectrum[min(i, spectrumBands)] for i in self.songConfig.frequencyBandOrder]
lightStates = [level > self.songConfig.frequencyThresholds[channel] for channel, level in enumerate(bands)]
changeCmd = []
for channel, value in enumerate(lightStates):
if self.previousLightStates[channel] != value and (time.time() - self.lightUpdateTimes[channel] > 0.2):
self.lightUpdateTimes[channel] = time.time()
changeCmd.append('p{}s{}'.format(channel, 1 if value else 0))
if changeCmd:
self.writeToSerial(''.join(changeCmd) + '\n')
self.previousLightStates = lightStates
def onMessage(self, message):
messageType = message[0]
if messageType == 'songChange':
self.songConfig.loadSongSettings(*message[1:])
elif messageType == 'chunk':
self._onChunk()