mirror of
https://github.com/node-red/node-red-nodes.git
synced 2023-10-10 13:36:58 +02:00
Update RBE to add object compare
and narrowband mode (thanks @nlecaude for the idea)
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@ -2,14 +2,17 @@
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"rbe": {
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"label": {
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"func": "Mode",
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"start": "Start value",
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"name": "Name"
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},
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"placeholder":{
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"bandgap": "e.g. 10 or 5%"
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"bandgap": "e.g. 10 or 5%",
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"start": "leave blank to use first data received"
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},
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"opts": {
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"rbe": "block unless value changes",
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"deadband": "block unless changes by more than"
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"deadband": "block unless value changes by more than",
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"narrowband": "block if value changes by more than"
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},
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"warn": {
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"nonumber": "no number found in payload"
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@ -1,6 +1,6 @@
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{
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"name" : "node-red-node-rbe",
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"version" : "0.1.1",
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"version" : "0.1.2",
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"description" : "A Node-RED node that provides report-by-exception (RBE) and deadband capability.",
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"dependencies" : {
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},
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@ -20,12 +20,17 @@
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<select type="text" id="node-input-func" style="width:74%;">
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<option value="rbe" data-i18n="rbe.opts.rbe"></option>
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<option value="deadband" data-i18n="rbe.opts.deadband"></option>
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<option value="narrowband" data-i18n="rbe.opts.narrowband"></option>
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</select>
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</div>
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<div class="form-row" id="node-bandgap">
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<label for="node-input-gap"> </label>
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<input type="text" id="node-input-gap" data-i18n="[placeholder]rbe.placeholder.bandgap" style="width:71%;">
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</div>
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<div class="form-row" id="node-startvalue">
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<label for="node-input-start"><i class="fa fa-thumb-tack"/> <span data-i18n="rbe.label.start"></span></label>
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<input type="text" id="node-input-start" data-i18n="[placeholder]rbe.placeholder.start" style="width:71%;">
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</div>
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<div class="form-row">
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<label for="node-input-name"><i class="fa fa-tag"/> <span data-i18n="rbe.label.name"></span></label>
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<input type="text" id="node-input-name" data-i18n="[placeholder]rbe.label.name" style="width:71%;">
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@ -35,11 +40,14 @@
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<script type="text/x-red" data-help-name="rbe">
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<p>Report by Exception node - only passes on data if it has changed.</p>
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<p>The node can either block until the <b>msg.payload</b> is
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different to the previous one - <b>rbe</b> mode. Works on numbers and strings.</p>
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different to the previous one - <b>rbe</b> mode. This works on numbers, strings, and simple objects.</p>
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<p>Or it can block until the value changes by a specified amount - <b>deadband</b> mode.</p>
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<p>In deadband mode the incoming payload should contain a parseable <i>number</i> and is
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<p>In deadband mode the incoming payload must contain a parseable <i>number</i> and is
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output only if greater than + or - the <i>band gap</i> away from the previous output.</p>
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<p>Deadband also supports % - only sends if the input differs by more than x% of the original value.</p>
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<p>It can also ignore outlier values - <b>narrowband</b> mode.</p>
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<p>In narrowband mode the incoming payload is blocked if it is more than + or - the band gap
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away from the previous value. Useful for ignoring outliers from a faulty sensor for example.</p>
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<p><b>Note:</b> This works on a per <b>msg.topic</b> basis. This means that a single rbe node can
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handle multiple topics at the same time.</p>
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</script>
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@ -51,7 +59,8 @@
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defaults: {
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name: {value:""},
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func: {value:"rbe"},
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gap: {value:"",validate:RED.validators.regex(/^(\d*[.]*\d*|)(%|)$/)}
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gap: {value:"",validate:RED.validators.regex(/^(\d*[.]*\d*|)(%|)$/)},
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start: {value:""}
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},
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inputs:1,
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outputs:1,
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@ -70,6 +79,11 @@
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} else {
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$("#node-bandgap").show();
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}
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if ($("#node-input-func").val() === "narrowband") {
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$("#node-startvalue").show();
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} else {
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$("#node-startvalue").hide();
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}
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});
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}
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});
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@ -1,5 +1,5 @@
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/**
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* Copyright 2014, 2015 IBM Corp.
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* Copyright 2014, 2016 IBM Corp.
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*
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* Licensed under the Apache License, Version 2.0 (the "License");
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* you may not use this file except in compliance with the License.
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@ -20,6 +20,7 @@ module.exports = function(RED) {
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RED.nodes.createNode(this,n);
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this.func = n.func || "rbe";
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this.gap = n.gap || "0";
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this.start = n.start || '';
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this.pc = false;
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if (this.gap.substr(-1) === "%") {
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this.pc = true;
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@ -33,21 +34,42 @@ module.exports = function(RED) {
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if (msg.hasOwnProperty("payload")) {
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var t = msg.topic || "_no_topic";
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if (this.func === "rbe") {
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if (msg.payload != node.previous[t]) {
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if (typeof(msg.payload) === "object") {
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if (typeof(node.previous[t]) !== "object") { node.previous[t] = {}; }
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if (!RED.util.compareObjects(msg.payload, node.previous[t])) {
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node.previous[t] = msg.payload;
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node.send(msg);
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}
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}
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else {
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if (msg.payload !== node.previous[t]) {
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node.previous[t] = msg.payload;
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node.send(msg);
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}
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}
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}
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else {
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var n = parseFloat(msg.payload);
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if (!isNaN(n)) {
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if ((typeof node.previous[t] === 'undefined') && (this.func === "narrowband")) {
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if (node.start === '') { node.previous[t] = n; }
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else { node.previous[t] = node.start; }
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}
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if (node.pc) { node.gap = (node.previous[t] * node.g / 100) || 0; }
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if (!node.previous.hasOwnProperty(t)) { node.previous[t] = n - node.gap; }
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if (Math.abs(n - node.previous[t]) >= node.gap) {
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if (this.func === "deadband") {
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node.previous[t] = n;
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node.send(msg);
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}
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}
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else {
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if (this.func === "narrowband") {
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node.previous[t] = n;
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node.send(msg);
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}
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}
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}
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else {
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node.warn(RED._("rbe.warn.nonumber"));
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}
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@ -1,5 +1,5 @@
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/**
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* Copyright 2015 IBM Corp.
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* Copyright 2015,2016 IBM Corp.
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*
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* Licensed under the Apache License, Version 2.0 (the "License");
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* you may not use this file except in compliance with the License.
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@ -42,7 +42,7 @@ describe('rbe node', function() {
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});
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});
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it('should only send output if payload changes', function(done) {
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it('should only send output if payload changes (rbe)', function(done) {
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var flow = [{"id":"n1", "type":"rbe", func:"rbe", gap:"0", wires:[["n2"]] },
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{id:"n2", type:"helper"} ];
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helper.load(testNode, flow, function() {
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@ -54,8 +54,14 @@ describe('rbe node', function() {
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msg.should.have.a.property("payload", "a");
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c+=1;
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}
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else {
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else if (c === 1) {
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msg.should.have.a.property("payload", "b");
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c+=1;
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}
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else {
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msg.should.have.a.property("payload");
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msg.payload.should.have.a.property("b",1);
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msg.payload.should.have.a.property("c",2);
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done();
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}
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});
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@ -65,12 +71,14 @@ describe('rbe node', function() {
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n1.emit("input", {payload:"a"});
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n1.emit("input", {payload:"a"});
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n1.emit("input", {payload:"b"});
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n1.emit("input", {payload:"b"});
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n1.emit("input", {payload:{b:1,c:2}});
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n1.emit("input", {payload:{c:2,b:1}});
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n1.emit("input", {payload:{c:2,b:1}});
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});
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});
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it('should only send output if more than x away from original value', function(done) {
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var flow = [{"id":"n1", "type":"rbe", func:"gap", gap:"10", wires:[["n2"]] },
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it('should only send output if more than x away from original value (deadband)', function(done) {
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var flow = [{"id":"n1", "type":"rbe", func:"deadband", gap:"10", wires:[["n2"]] },
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{id:"n2", type:"helper"} ];
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helper.load(testNode, flow, function() {
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var n1 = helper.getNode("n1");
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@ -100,8 +108,8 @@ describe('rbe node', function() {
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});
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});
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it('should only send output if more than x% away from original value', function(done) {
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var flow = [{"id":"n1", "type":"rbe", func:"gap", gap:"10%", wires:[["n2"]] },
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it('should only send output if more than x% away from original value (deadband)', function(done) {
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var flow = [{"id":"n1", "type":"rbe", func:"deadband", gap:"10%", wires:[["n2"]] },
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{id:"n2", type:"helper"} ];
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helper.load(testNode, flow, function() {
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var n1 = helper.getNode("n1");
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@ -129,8 +137,8 @@ describe('rbe node', function() {
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});
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});
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it('should warn if no number found in gap mode', function(done) {
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var flow = [{"id":"n1", "type":"rbe", func:"gap", gap:"10", wires:[["n2"]] },
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it('should warn if no number found in deadband mode', function(done) {
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var flow = [{"id":"n1", "type":"rbe", func:"deadband", gap:"10", wires:[["n2"]] },
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{id:"n2", type:"helper"} ];
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helper.load(testNode, flow, function() {
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var n1 = helper.getNode("n1");
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@ -157,4 +165,36 @@ describe('rbe node', function() {
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});
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});
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it('should not send output if more than x away from original value (narrowband)', function(done) {
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var flow = [{"id":"n1", "type":"rbe", func:"narrowband", gap:"10", wires:[["n2"]] },
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{id:"n2", type:"helper"} ];
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helper.load(testNode, flow, function() {
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var n1 = helper.getNode("n1");
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var n2 = helper.getNode("n2");
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var c = 0;
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n2.on("input", function(msg) {
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if (c === 0) {
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msg.should.have.a.property("payload", 0);
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}
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else if (c === 1) {
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msg.should.have.a.property("payload","6 deg");
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}
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else {
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msg.should.have.a.property("payload", "5 deg");
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done();
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}
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c += 1;
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});
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n1.emit("input", {payload:0});
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n1.emit("input", {payload:20});
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n1.emit("input", {payload:40});
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n1.emit("input", {payload:"6 deg"});
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n1.emit("input", {payload:18});
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n1.emit("input", {payload:20});
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n1.emit("input", {payload:50});
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n1.emit("input", {payload:"5 deg"});
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});
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});
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});
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