MET4FOFDataReceiver module

Created on Wed Sep 4 09:20:12 2019

Data receiver for Met4FoF Protobuff Data @author: Benedikt.Seeger@ptb.de

class MET4FOFDataReceiver.AliasDict(*args, **kwargs)

Bases: dict

add_alias(key, alias)

class MET4FOFDataReceiver.ChannelDescription(CHID)

Bases: object

setDescription(key, value)

Sets an spefic key of an channel description.

key : string

PHYSICAL_QUANTITY”,UNIT,RESOLUTION,MIN_SCALE or MAX_SCALE.

value : string or intger

valuie coresponding to the key.

None.

class MET4FOFDataReceiver.DataReceiver(IP, Port=7654)

Bases: object

Class for handlig the incomming UDP Packets and spwaning sensor Tasks and sending the Protobuff Messages over an queue to the Sensor Task

run()

Spwans the Datareceiver task.

None.

stop()

Stops the Datareceiver task and closes the UDP socket.

None.

class MET4FOFDataReceiver.Sensor(ID, BufferSize=2500000.0)

Bases: object

Class for Processing the Data from Datareceiver class. All instances of this class will be swaned in Datareceiver.AllSensors

DescriptionTypNames = {0: 'PHYSICAL_QUANTITY', 1: 'UNIT', 2: 'UNCERTAINTY_TYPE', 3: 'RESOLUTION', 4: 'MIN_SCALE', 5: 'MAX_SCALE'}

FFieldNames = ['f_Data_01', 'f_Data_02', 'f_Data_03', 'f_Data_04', 'f_Data_05', 'f_Data_06', 'f_Data_07', 'f_Data_08', 'f_Data_09', 'f_Data_10', 'f_Data_11', 'f_Data_12', 'f_Data_13', 'f_Data_14', 'f_Data_15', 'f_Data_16']

SetCallback(callback)

Sets an callback function signature musste be: callback(message[“ProtMsg”], self.Description)

callback : function

callback function signature musste be: callback(message[“ProtMsg”], self.Description).

None.

StartDumpingToFileASCII(filename='')

Activate dumping Messages in a file ASCII encoded ; seperated.

filename : path

path to the dumpfile.

None.

StartDumpingToFileProto(filename='')

Activate dumping Messages in a file ProtBuff encoded n seperated.

filename : path

path to the dumpfile.

None.

StopDumpingToFileASCII()

Stops dumping to file ASCII encoded.

None.

StopDumpingToFileProto()

Stops dumping to file Protobuff encoded.

None.

StrFieldNames = ['str_Data_01', 'str_Data_02', 'str_Data_03', 'str_Data_04', 'str_Data_05', 'str_Data_06', 'str_Data_07', 'str_Data_08', 'str_Data_09', 'str_Data_10', 'str_Data_11', 'str_Data_12', 'str_Data_13', 'str_Data_14', 'str_Data_15', 'str_Data_16']

UnSetCallback()

deactivates the callback.

None.

join(*args, **kwargs)

Call the stop function

*args : args

args are discarded.

**kwargs : kwargs

kwargs are discarded.

None.

run()

None.

stop()

Stops the sensor task.

None.

class MET4FOFDataReceiver.SensorDescription(ID=0, SensorName='undefined', fromDict=None)

Bases: object

this class is holding the Sensor description. It’s subscriptable by : 1. inter number of the channel eg.g. SensorDescription[1] 2. Name of The physical quantity SensorDescription[“Temperature”] 3. Name of the data field SensorDescription[“Data_01”]

asDict()

ChannelDescription as dict.

ReturnDict : dict

ChannelDescription as dict.

getUnits()

setChannelParam(CHID, key, value)

Set parametes for an specific channel.

CHID : intger

ID of the channel startig with 1.

key : string

PHYSICAL_QUANTITY”,UNIT,RESOLUTION,MIN_SCALE or MAX_SCALE.

value : string or intger

valuie coresponding to the key.

None.

class MET4FOFDataReceiver.genericPlotter(BufferLength)

Bases: object

PushData(message, Description)

Pushes an block of data in to the buffer. This function is set as Sensor callback with the function :Sensor.SetCallback`

message : protobuff message

Message to be pushed in the buffer.

Description SensorDescription:

SensorDescription is discarded.

None.

setUpFig()

Sets up the figure with subplots and labels cant be called in init since this params arent knowen to init time.

None.