Added configurable update interval

Bumped to 1.0.2

MMM-ScreenLogic.js

@@ -13,7 +13,8 @@ Module.register("MMM-ScreenLogic",{
 		coldTemp: 84,
 		hotTemp: 90,
 		columns: 3,
-		contentClass: "light"
+		contentClass: "light",
+		updateInterval: 30 * 60 * 1000
 	},
 
 	start: function() {

README.md

@@ -24,6 +24,7 @@ A <a href="https://github.com/MichMich/MagicMirror">MagicMirror²</a> module use
 |`hotTemp`|Integer|Show the temperature colored red if it's at or above this level for pool/spa (requires option `colored`). This is in whatever scale your system is set to (Fahrenheit/Celsius).|`90`|
 |`columns`|Integer|How many columns to use to display the data before starting a new row.|`3`|
 |`contentClass`|String|The CSS class used to display content values (beneath the header).|`"light"`|
+|`updateInterval`|Integer|How frequently, in milliseconds, to update pool data.|`30 * 60 * 1000` (every 30 minutes)|
 
 Here is an example of an entry in config.js
 ```
@@ -48,7 +49,7 @@ Pull requests are very welcome! If you'd like to see any additional functionalit
 
 This module only works with ScreenLogic controllers on the local network via either a UDP broadcast on 255.255.255.255 or a direct connection if you've specified an address and port in the configuration.
 
-The data is updated every 30 minutes.
+The data is updated every 30 minutes by default (configurable with `updateInterval`).
 
 ## Libraries
 This uses a Node.JS library I created for interfacing with ScreenLogic controllers over the network: <a href="https://github.com/parnic/node-screenlogic">node-screenlogic</a>, so feel free to check that out for more information.
@@ -57,3 +58,6 @@ This uses a Node.JS library I created for interfacing with ScreenLogic controlle
 
 ### v1.0.1
 * Added `showFreezeMode` to show a banner acrosss the top if the pool is currently in freeze-protection mode.
+
+### v1.0.2
+* Added `updateInterval` to control how often the pool data is updated (default 30 minutes).

node_helper.js

@@ -2,10 +2,7 @@ var NodeHelper = require('node_helper');
 
 module.exports = NodeHelper.create({
 	start: function() {
-		var self = this;
+		this.setTimer(30 * 60 * 1000);
-		setInterval(function() {
-			self.doUpdate()
-		}, 30 * 60 * 1000);
 	},
 
 	doUpdate: function() {
@@ -15,9 +12,27 @@ module.exports = NodeHelper.create({
 		});
 	},
 
+	setTimer: function(updateInterval) {
+		var update = true;
+		update = typeof this.updateInterval === 'undefined' || this.updateInterval != updateInterval;
+		this.updateInterval = updateInterval;
+
+		if (update) {
+			if (typeof this.timer !== 'undefined') {
+				clearInterval(this.timer);
+			}
+
+			var self = this;
+			self.timer = setInterval(function() {
+				self.doUpdate()
+			}, self.updateInterval);
+		}
+	},
+
 	socketNotificationReceived: function(notification, payload) {
 		if (notification === 'SCREENLOGIC_CONFIG') {
 			this.config = payload;
+			this.setTimer(this.config.updateInterval);
 		}
 		if (notification === 'SCREENLOGIC_UPDATE') {
 			this.doUpdate();

package.json

@@ -1,6 +1,6 @@
 {
   "name": "magic-mirror-module-screenlogic",
-  "version": "1.0.1",
+  "version": "1.0.2",
   "description": "Show data from Pentair ScreenLogic systems",
   "main": "MMM-ScreenLogic.js",
   "author": "Chris Pickett",