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Read the LEGO EMeter values.

Read all the LEGO EMeter register values. They must all be read at once to ensure data coherency.

Parameters

port	The port to which the LEGO EMeter sensor is attached. See the Input port constants group. You may use a constant or a variable.
vIn	Input voltage
aIn	Input current
vOut	Output voltage
aOut	Output current
joules	The number of joules stored in the EMeter
wIn	The number of watts generated
wOut	The number of watts consumed

Returns: A status code indicating whether the read completed successfully or not. See CommLSReadType for possible result values.