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Let rbe node compare to previous input OR output

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closes #192 and #193
Also update info and test.
This commit is contained in:
Dave Conway-Jones
2016-03-21 00:01:50 +00:00
parent 2ed8e5a306
commit c3a8a4088d
6 changed files with 52 additions and 8 deletions
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7
function/rbe/README.md
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@@ -36,7 +36,12 @@ same value. Saves bandwidth, etc...
In deadband mode the incoming payload should contain a parseable *number* and is
output only if greater than + or - the *band gap* away from the previous output.
It can also be set to block values more than a certain distance away from the present value.
This can be used to remove outliers or unexpected readings.
This can be used to remove outliers or unexpected readings.
You can specify compare with *previous valid output value* or *previous input value*.
The former ignores any values outside the valid range, whereas the latter allows
two "bad" readings in a row to reset the range based on those values.
For example a valid step change.
The deadband value can be specified as a fixed number, or a percentage. E.g. 10
or 5% . If % mode is used then the output will only get sent if the input payload