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pigpiod html lint ===

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Dave Conway-Jones
2017-05-24 19:45:31 +01:00
parent a00fcb3726
commit 4768ecc16c
5 changed files with 91 additions and 28 deletions
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11
function/smooth/17-smooth.html
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@@ -21,6 +21,13 @@
<label for="node-input-round">(optionally)</label>
round to <input type="text" id="node-input-round" placeholder="ignore" style="width:50px;"/> decimal places
</div>
<div class="form-row">
<label for="node-input-mult">Treat</label>
<select id="node-input-mult" style="width:60%; margin-right:5px;">
<option value="single">All msg as one stream.</option>
<option value="multi">Different msg.topic as individual streams.</option>
</select>
</div>
<br/>
<div class="form-row">
<label for="node-input-name"><i class="fa fa-tag"></i> Name</label>
@@ -31,6 +38,7 @@
<script type="text/x-red" data-help-name="smooth">
<p>A simple node to provide various functions across several previous values, including max, min, mean, high and low pass filters.</p>
<p>Messages arriving with different <code>msg.topic</code> can be treated as separate streams if so configured.</p>
<p>Max, Min and Mean work over a specified number of previous values.</p>
<p>The High and Low pass filters use a smoothing factor. The higher the number the more the smoothing. E.g. a value of 10 is
similar to an &alpha; of 0.1. It is analagous to an RC time constant - but there is no time component to this as the
@@ -47,7 +55,8 @@
name: {value:""},
action: {value:"mean"},
count: {value:"10",required:true,validate:RED.validators.number()},
round: {value:""}
round: {value:""},
mult: {value:"single"}
},
inputs: 1,
outputs: 1,

52
function/smooth/17-smooth.js
View File

@@ -8,48 +8,50 @@ module.exports = function(RED) {
this.round = n.round || false;
if (this.round == "true") { this.round = 0; }
this.count = Number(n.count);
this.mult = n.mult || "single";
var node = this;
var a = [];
var tot = 0;
var tot2 = 0;
var pop = 0;
var old = null;
var v = {};
this.on('input', function (msg) {
if (msg.hasOwnProperty("reset")) {
a = [];
tot = 0;
tot2 = 0;
pop = 0;
old = null;
var top = msg.topic || "_my_default_topic";
if (this.mult === "single") { top = "a"; }
if ((v.hasOwnProperty(top) !== true) || msg.hasOwnProperty("reset")) {
v[top] = {};
v[top].a = [];
v[top].tot = 0;
v[top].tot2 = 0;
v[top].pop = 0;
v[top].old = null;
v[top].count = this.count;
}
if (msg.hasOwnProperty("payload")) {
var n = Number(msg.payload);
if (!isNaN(n)) {
if ((node.action === "low") || (node.action === "high")) {
if (old == null) { old = n; }
old = old + (n - old) / node.count;
if (node.action === "low") { msg.payload = old; }
else { msg.payload = n - old; }
if (v[top].old == null) { v[top].old = n; }
v[top].old = v[top].old + (n - v[top].old) / v[top].count;
if (node.action === "low") { msg.payload = v[top].old; }
else { msg.payload = n - v[top].old; }
}
else {
a.push(n);
if (a.length > node.count) { pop = a.shift(); }
v[top].a.push(n);
if (v[top].a.length > v[top].count) { v[top].pop = v[top].a.shift(); }
if (node.action === "max") {
msg.payload = Math.max.apply(Math, a);
msg.payload = Math.max.apply(Math, v[top].a);
}
if (node.action === "min") {
msg.payload = Math.min.apply(Math, a);
msg.payload = Math.min.apply(Math, v[top].a);
}
if (node.action === "mean") {
tot = tot + n - pop;
msg.payload = tot / a.length;
v[top].tot = v[top].tot + n - v[top].pop;
msg.payload = v[top].tot / v[top].a.length;
}
if (node.action === "sd") {
tot = tot + n - pop;
tot2 = tot2 + (n*n) - (pop * pop);
if (a.length > 1) {
msg.payload = Math.sqrt((a.length * tot2 - tot * tot)/(a.length * (a.length - 1)));
v[top].tot = v[top].tot + n - v[top].pop;
v[top].tot2 = v[top].tot2 + (n*n) - (v[top].pop * v[top].pop);
if (v[top].a.length > 1) {
msg.payload = Math.sqrt((v[top].a.length * v[top].tot2 - v[top].tot * v[top].tot)/(v[top].a.length * (v[top].a.length - 1)));
}
else { msg.payload = 0; }
}

2
function/smooth/package.json
View File

@@ -1,6 +1,6 @@
{
"name" : "node-red-node-smooth",
"version" : "0.0.10",
"version" : "0.0.11",
"description" : "A Node-RED node that provides several simple smoothing algorithms for incoming data values.",
"dependencies" : {
},