Math Average OpenChirp Service

Overview

This service applies a simple sliding window average.

Service Config

Key Name	Key Description	Key Example	Is Required?
InputTopics	Comma separated list of input topics	temp,frequency	Required
OutputTopics	Comma separated list of corresponding output topics	temp_avg, frequency_avg	Optional
WindowSizes	Comma separated list of corresponding window sizes	2, 4	Optional
(in number of samples)	Optional

Design Decision

The decision has been made to allow producing startup averages with less than the specified window size in order to always give the user output. The alternative approach would have been to wait for the window to become full before we could generate our first averaged output.