def fromData(self, data):
if len(data) != 5:
self.valid = False
return self
payload = BufferReader(data)
firstByte = payload.getUInt8()
if not BehaviourTimeType.has_value(firstByte):
self.valid = False
return self
self.timeType = BehaviourTimeType(firstByte)
self.offset = payload.getInt32()
self.valid = True
return self
def parseSetupState(reader: BufferReader):
packet = AdvCrownstoneSetupState()
packet.switchState = SwitchState(reader.getUInt8())
packet.flags = AdvFlags(reader.getUInt8())
packet.temperature = reader.getInt8()
powerFactor = reader.getInt8()
realPower = reader.getInt16()
packet.powerFactor = float(powerFactor) / 127.0
# we cannot have a 0 for a power factor.To avoid division by 0, we set it to be either 0.01 or -0.01
if 0 <= packet.powerFactor < 0.01:
packet.powerFactor = 0.01
elif -0.01 < packet.powerFactor < 0:
packet.powerFactor = -0.01
packet.powerUsageReal = float(realPower) / 8.0
packet.powerUsageApparent = packet.powerUsageReal / packet.powerFactor
packet.errorBitmask = reader.getInt32()
packet.uniqueIdentifier = reader.getUInt8()
return packet
def _getElementValues(
self,
elementType: int, # TODO: make enum
elementSize: int,
elementData: list) -> list:
bufferReader = BufferReader(elementData)
dataSize = len(elementData)
if dataSize % elementSize != 0:
_LOGGER.warning(
f"Remaining data with element size of {elementSize} and element data of size {dataSize}"
)
return []
vals = []
numElements = int(dataSize / elementSize)
_LOGGER.debug(
f"dataSize={dataSize} elementSize={elementSize} numElements={numElements}"
)
for i in range(0, numElements):
if elementType == 0:
# Signed integer
if elementSize == 1:
vals.append(bufferReader.getInt8())
elif elementSize == 2:
vals.append(bufferReader.getInt16())
elif elementSize == 4:
vals.append(bufferReader.getInt32())
elif elementSize == 8:
vals.append(bufferReader.getInt64())
else:
_LOGGER.warning(
f"Unknown type: element with type {elementType} and size {elementSize}"
)
return []
elif elementType == 1:
# Unsigned integer
if elementSize == 1:
vals.append(bufferReader.getUInt8())
elif elementSize == 2:
vals.append(bufferReader.getUInt16())
elif elementSize == 4:
vals.append(bufferReader.getUInt32())
elif elementSize == 8:
vals.append(bufferReader.getUInt64())
else:
_LOGGER.warning(
f"Unknown type: element with type {elementType} and size {elementSize}"
)
return []
elif elementType == 2:
# Floating point
if elementSize == 4:
vals.append(bufferReader.getFloat())
else:
_LOGGER.warning(
f"Unknown type: element with type {elementType} and size {elementSize}"
)
return []
return vals
