def getPredefinedColor(self, name):
for color in self.server.config.getValue("userDefinedColors"):
if color["name"] == name:
return LEDState(color["values"]["red"],
color["values"]["green"],
color["values"]["blue"])
return LEDState(0.0, 0.0, 0.0)
def _startProgram(self):
if "name" not in self._jsonBody:
self.send_response(400, "no program name in request body")
self.end_headers()
return
progName = self._jsonBody["name"]
try:
if progName == "wheel":
self._startWheel()
elif progName == "sunrise":
self._startSunrise()
elif progName == "freak":
self._startFreak()
elif progName == "predefined":
self._startPredefined()
elif progName == "single":
self._startSingle()
elif progName == "softOff":
logging.getLogger("main").info(progName)
self.server.ledManager.startProgram(
SmoothNextColorProgram(LEDState(0.0, 0.0, 0.0, 1.0), 1, 3))
elif progName == "off":
logging.getLogger("main").info(progName)
self.server.ledManager.startProgram(OffProgram())
elif progName == "colorloop":
self._startColorLoop()
elif progName == "white":
logging.getLogger("main").info(progName)
self.server.ledManager.startProgram(
SmoothNextColorProgram(LEDState(1.0, 1.0, 1.0, 1.0), 0.5,
2))
elif progName == "feed":
logging.getLogger("main").info(progName)
self.server.ledManager.startProgram(
SmoothNextColorProgram(
LEDState(
self.server.config.getValue(
"programs/feed/brightness"), 0.0, 0.0, 1.0),
0.5, 3))
elif progName == "randomPath":
logging.getLogger("main").info(progName)
self.server.ledManager.startProgram(
RandomPathProgram(
self.getPredefinedColors(),
self.server.config.getValue(
"programs/randomPath/timePerColor")))
elif progName == "scheduledOff":
self._startScheduledOff()
elif progName == "cancelScheduledOff":
self.server.ledManager.cancelPowerOff()
else:
self.send_response(400, "invalid program name " + progName)
self.end_headers()
self.send_response(200)
self.end_headers()
except ParameterExeption as e:
self.send_response(400, e)
self.end_headers()
def __init__(self, duration):
colorPath = [
LEDState(0.0, 0.0, 0.0),
LEDState(0.0, 0.0, 0.2),
LEDState(0.5, 0.5, 0.2),
LEDState(1.0, 0.9, 0.2),
]
interpolationPoints = 60
timePerColor = duration / ((len(colorPath) - 1) * interpolationPoints)
super().__init__(colorPath, interpolationPoints, timePerColor)
def __init__(self, timePerColor=3):
programs = [
SingleColorProgram(LEDState(1.0, 0.0, 0.0, 0.0)),
WaitProgram(timePerColor),
SingleColorProgram(LEDState(0.0, 1.0, 0.0, 0.0)),
WaitProgram(timePerColor),
SingleColorProgram(LEDState(0.0, 0.0, 1.0, 0.0)),
WaitProgram(timePerColor),
SingleColorProgram(LEDState(0.0, 0.0, 0.0, 0.0))
]
super().__init__(programs)
def run(self):
self._waitIfNotStopped(self.secondsPerColor)
for i in range(0, self.stepsPerColor):
for j in range(0, self.stepsPerColor):
for k in range(0, self.stepsPerColor):
r = i / (self.stepsPerColor - 1)
g = j / (self.stepsPerColor - 1)
b = k / (self.stepsPerColor - 1)
logging.getLogger("main").debug("r: {}, g: {}, b: {}".format(r, g, b))
self._setValue(LEDState(r, g, b, 1.0))
self._waitIfNotStopped(self.secondsPerColor)
self._setValue(LEDState(0.0, 0.0, 0.0, 1.0))
def __init__(self, iterations, minValue, maxValue, timePerColor):
self._minValue = min(1.0, max(0.0, minValue))
self._maxValue = min(1.0, max(0.0, maxValue))
colorPath = [
LEDState(maxValue, minValue, minValue),
LEDState(minValue, maxValue, minValue),
LEDState(minValue, minValue, maxValue)
]
interpolationsPoints = 30
program = ColorPathProgram(
colorPath, interpolationsPoints,
float(timePerColor) / float(interpolationsPoints), True)
super().__init__(program, iterations)
def getPredefinedColors(self):
result = []
for color in self.server.config.getValue("userDefinedColors"):
result.append(
LEDState(color["values"]["red"], color["values"]["green"],
color["values"]["blue"]))
return result
def _writePiBlasterValue(self, channel, channelName, value):
piBlasterPath = "/dev/pi-blaster"
try:
piblaster = open(piBlasterPath, "w")
except:
self._ledState = LEDState()
errorMessage = "error opening " + piBlasterPath + " " + traceback.format_exc()
raise PiBlasterUnavailableException(errorMessage)
else:
try:
print("{}={}".format(channel, value), file=piblaster)
piblaster.close()
except:
self._ledState = LEDState()
errorMessage = "error writing {}={} to {} ({})".format(channel, value, piBlasterPath, channelName)
piblaster.close()
raise PiBlasterUnavailableException(errorMessage)
def powerOffWaiter(self, duration, cancelEvent):
cancelEvent.wait(duration)
if cancelEvent.is_set():
logging.getLogger("main").info("canceled power off")
return
logging.getLogger("main").info("wait finished starting SoftOffProgram")
self.startProgram(
SmoothNextColorProgram(LEDState(0.0, 0.0, 0.0, 1.0), 1, 3))
self._cancelPowerOffEvent = None
def run(self):
ledValue = LEDState()
ledValue.red = round(random.uniform(self._minColor, self._maxColor), 3)
ledValue.green = round(random.uniform(self._minColor, self._maxColor), 3)
ledValue.blue = round(random.uniform(self._minColor, self._maxColor), 3)
if not self._lastValue is None and not self._lastValue.brightness is None:
ledValue.brightness = self._lastValue.brightness
else:
ledValue.brightness = 1.0
self._setValue(ledValue)
self._waitIfNotStopped(self._secondsPerColor)
def getInterpolationPoint(currentPoint, nextPoint, pointIndex, numberOfPoints):
red = getInterpolationValue(currentPoint.red, nextPoint.red, pointIndex,
numberOfPoints)
green = getInterpolationValue(currentPoint.green, nextPoint.green,
pointIndex, numberOfPoints)
blue = getInterpolationValue(currentPoint.blue, nextPoint.blue, pointIndex,
numberOfPoints)
if nextPoint.brightness is not None:
brightness = getInterpolationValue(currentPoint.brightness,
nextPoint.brightness, pointIndex,
numberOfPoints)
else:
brightness = currentPoint.brightness
return LEDState(red, green, blue, brightness)
def run(self):
r = round(random.uniform(0.0, 0.5), 3)
g = round(random.uniform(0.0, 0.5), 3)
b = round(random.uniform(0.0, 0.5), 3)
while True:
logging.getLogger("main").debug("r: {}, g: {}, b: {}".format(r, g, b))
self._setValue(LEDState(r, g, b, 1.0))
self._waitIfNotStopped(0.05)
colorRand = randint(0, 2)
if colorRand == 0:
r = self._getNextValue(r)
elif colorRand == 1:
g = self._getNextValue(g)
else:
b = self._getNextValue(b)
def _startSingle(self):
params = {"red": 0.0, "green": 0.0, "blue": 0.0}
params = self.getParamsFromJson(params)
logMethodAndParams(params)
if not 0 <= params["red"] <= 255 or not 0 <= params[
"green"] <= 255 or not 0 <= params["blue"] <= 255:
raise ParameterExeption(
"invalid values red: {}, green: {}, blue: {}".format(
params["red"], params["green"], params["blue"]))
else:
red = params["red"] / 255
green = params["green"] / 255
blue = params["blue"] / 255
self.server.ledManager.startProgram(
SingleColorProgram(
LEDState(red, green, blue,
self.server.ledManager.getBrightness())))
def _startPredefined(self):
params = {"colorName": ""}
params = self.getParamsFromJson(params)
logMethodAndParams(params)
colors = []
predefinedColors = self.server.config.getValue("userDefinedColors")
for color in predefinedColors:
colors.append(color["name"])
if not params["colorName"] in colors:
raise ParameterExeption(params["colorName"] + " not in " +
str(colors))
else:
for predefinedColor in predefinedColors:
if params["colorName"] == predefinedColor["name"]:
color = predefinedColor["values"]
ledState = LEDState(color["red"], color["green"],
color["blue"],
self.server.ledManager.getBrightness())
self.server.ledManager.startProgram(
SingleColorProgram(ledState))
break
class ColorSetter:
def __init__(self, brightness):
self._ledState = LEDState()
self._ledState.brightness = brightness
self._colorRounding = 5
def setBrightness(self, brightness):
self._ledState.brightness = brightness
if self._ledState.isComplete():
logging.getLogger("main").info(
"resetting color after brightness change {}, {}".format(
self._ledState.brightness,
self._ledState.getColor()))
self.setValue(self._ledState)
def getBrightness(self):
return self._ledState.brightness
def _writePiBlasterValue(self, channel, channelName, value):
piBlasterPath = "/dev/pi-blaster"
try:
piblaster = open(piBlasterPath, "w")
except:
self._ledState = LEDState()
errorMessage = "error opening " + piBlasterPath + " " + traceback.format_exc()
raise PiBlasterUnavailableException(errorMessage)
else:
try:
print("{}={}".format(channel, value), file=piblaster)
piblaster.close()
except:
self._ledState = LEDState()
errorMessage = "error writing {}={} to {} ({})".format(channel, value, piBlasterPath, channelName)
piblaster.close()
raise PiBlasterUnavailableException(errorMessage)
def getValueForPiBlaster(self):
myFilter = PolynomialBrightnessFilter(2.0)
filteredState = myFilter.filter(self._ledState)
return {"red": round(filteredState.red * filteredState.brightness,
self._colorRounding),
"green": round(filteredState.green * filteredState.brightness,
self._colorRounding),
"blue": round(filteredState.blue * filteredState.brightness,
self._colorRounding)}
def setValue(self, ledState):
if (ledState.brightness is not None and
ledState.brightness != self._ledState.brightness):
logging.getLogger("main").warning(
"updating brightness in setValue from "
+ str(self._ledState.brightness)
+ " to " + str(ledState.brightness))
self._ledState.updateAvailableValues(ledState)
if self._ledState.isComplete():
piValue = self.getValueForPiBlaster()
self._writePiBlasterValue(17, "red", piValue["red"])
self._writePiBlasterValue(22, "green", piValue["green"])
self._writePiBlasterValue(24, "blue", piValue["blue"])
logging.getLogger("main").debug(
"updated pi-blaster: red={}, green={}, blue={}".format(
piValue["red"], piValue["green"], piValue["blue"]))
try:
statuspublisher.getStatusPublisher().publishStatus()
except Exception as e:
logging.getLogger("main").warning("Error during publishStatus " + str(e))
def getCurrentValue(self):
return self._ledState
def run(self):
self._setValue(LEDState(0.0, 0.0, 0.0, 1.0))
def run(self):
r = round(random.uniform(0.0, 0.5), 3)
g = round(random.uniform(0.0, 0.5), 3)
b = round(random.uniform(0.0, 0.5), 3)
stepsInOneDirection = 50
while True:
colorRand = randint(0, 2)
upDownRand = bool(random.getrandbits(1))
if colorRand == 0:
if upDownRand:
for i in range(0, stepsInOneDirection):
r = max(0,
r - round(random.uniform(0, self._maxDiff), 3))
logging.getLogger("main").debug(
"r: {}, g: {}, b: {}".format(r, g, b))
self._setValue(LEDState(r, g, b, 0.0))
self._waitIfNotStopped(self._secondsPerColor)
if r == 0:
break
else:
for i in range(0, stepsInOneDirection):
r = min(1,
r + round(random.uniform(0, self._maxDiff), 3))
logging.getLogger("main").debug(
"r: {}, g: {}, b: {}".format(r, g, b))
self._setValue(LEDState(r, g, b, 0.0))
self._waitIfNotStopped(self._secondsPerColor)
if r == 1:
break
elif colorRand == 1:
if upDownRand:
for i in range(0, stepsInOneDirection):
g = max(0,
r - round(random.uniform(0, self._maxDiff), 3))
logging.getLogger("main").debug(
"r: {}, g: {}, b: {}".format(r, g, b))
self._setValue(LEDState(r, g, b, 0.0))
self._waitIfNotStopped(self._secondsPerColor)
if r == 0:
break
if upDownRand:
for i in range(0, stepsInOneDirection):
g = min(1,
r + round(random.uniform(0, self._maxDiff), 3))
logging.getLogger("main").debug(
"r: {}, g: {}, b: {}".format(r, g, b))
self._setValue(LEDState(r, g, b, 0.0))
self._waitIfNotStopped(self._secondsPerColor)
if r == 1:
break
else:
if upDownRand:
for i in range(0, stepsInOneDirection):
b = max(0,
r - round(random.uniform(0, self._maxDiff), 3))
logging.getLogger("main").debug(
"r: {}, g: {}, b: {}".format(r, g, b))
self._setValue(LEDState(r, g, b, 0.0))
self._waitIfNotStopped(self._secondsPerColor)
if r == 0:
break
if upDownRand:
for i in range(0, stepsInOneDirection):
b = min(1,
r + round(random.uniform(0, self._maxDiff), 3))
logging.getLogger("main").debug(
"r: {}, g: {}, b: {}".format(r, g, b))
self._setValue(LEDState(r, g, b, 0.0))
self._waitIfNotStopped(self._secondsPerColor)
if r == 1:
break
def filter(self, ledstate):
return LEDState(ledstate.red, ledstate.green, ledstate.blue, ledstate.brightness**self._degree)
def run(self):
self.setLastValue(
LEDState(self._maxValue, self._minValue, self._minValue, 1.0))
LoopedProgram.run(self)
def __init__(self, brightness):
self._ledState = LEDState()
self._ledState.brightness = brightness
self._colorRounding = 5