mirror of
https://github.com/node-red/node-red.git
synced 2023-10-10 13:36:53 +02:00
Update Arduino to a better supported npm, that supports callbacks
for inputs... (less processor load). Also adds connected status to visualisation.
This commit is contained in:
Dave C-J
parent
db125974c0
commit
dcc0adf2f7
@ -1,5 +1,5 @@
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<!--
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Copyright 2013 IBM Corp.
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Copyright 2013,2014 IBM Corp.
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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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@ -38,6 +38,7 @@
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<script type="text/x-red" data-help-name="arduino in">
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<p>Arduino input node. Connects to local Arduino and monitors the selected pin for changes. Uses <a href="http://firmata.org/" target="_new"><i>Firmata</i>.</a></p>
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<p>The Arduino must be loaded with the Standard Firmata sketch available in the Arduino examples.</p>
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<p>You can select either Digital or Analogue input. Outputs the value read as <b>msg.payload</b> and the pin number as <b>msg.topic</b>.</p>
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<p>It only outputs on a change of value - fine for digital inputs, but you can get a lot of data from analogue pins which you must then handle.</p>
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<p>You can set the sample rate in ms from 20 to 65535.</p>
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@ -51,7 +52,7 @@
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name: {value:""},
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pin: {value:"",required:true},
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state: {value:"INPUT",required:true},
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arduino: {type:"arduino-board",required:true}
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arduino: {type:"arduino-board"}
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},
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inputs:0,
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outputs:1,
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@ -78,7 +79,7 @@
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</div>
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<div class="form-row">
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<label for="node-input-state"><i class="icon-wrench"></i> Type</label>
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<select type="text" id="node-input-state" style="width: 150px;">
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<select type="text" id="node-input-state" style="width: 200px;">
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<option value="OUTPUT">Digital (0/1)</option>
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<option value="PWM">Analogue (0-255)</option>
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<option value="SERVO">Servo (0-180)</option>
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@ -93,6 +94,7 @@
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<script type="text/x-red" data-help-name="arduino out">
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<p>Arduino output node. Connects to local Arduino and writes to the selected digital pin. Uses <a href="http://firmata.org/" target="_new"><i>Firmata</i>.</a></p>
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<p>The Arduino must be loaded with the Standard Firmata sketch available in the Arduino examples.</p>
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<p>You can select Digital, Analogue (PWM) or Servo type outputs. Expects a numeric value in <b>msg.payload</b>. The pin number is set in the properties panel.</p>
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</script>
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@ -102,9 +104,9 @@
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color:"#3fadb5",
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defaults: {
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name: {value:""},
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pin: {value:""},
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pin: {value:"",required:true},
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state: {value:"",required:true},
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arduino: {type:"arduino-board",required:true}
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arduino: {type:"arduino-board"}
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},
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inputs:1,
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outputs:0,
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@ -122,29 +124,48 @@
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<script type="text/x-red" data-template-name="arduino-board">
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<div class="form-row">
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<label for="node-config-input-device"><i class="icon-bullhorn"></i> Arduino Port</label>
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<input type="text" id="node-config-input-device" placeholder="/dev/ttyUSB0" style="width:50%;">
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<label for="node-config-input-device"><i class="icon-random"></i> Port</label>
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<input type="text" id="node-config-input-device" style="width:60%;" placeholder="/dev/ttyUSB0"/>
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<a id="node-config-lookup-serial" class="btn"><i id="node-config-lookup-serial-icon" class="icon icon-search"></i></a>
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</div>
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<div class="form-row">
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<label for="node-config-input-repeat"><i class="icon-repeat"></i> Sample (ms)</label>
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<input type="text" id="node-config-input-repeat" placeholder="25">
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</div>
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<!-- <div class="form-row">
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<label for="node-config-input-baud"><i class="icon-bullhorn"></i> Baudrate</label>
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<input type="text" id="node-config-input-baud" placeholder="115200" style="width:50%;">
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</div> -->
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<div class="form-tips"><b>Tip:</b> Leave blank for auto detect on first serial port.</div>
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</script>
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<script type="text/javascript">
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RED.nodes.registerType('arduino-board',{
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category: 'config',
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defaults: {
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//baud: {baud:"57600",required:true},
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repeat: {value:"50",required:true,validate:RED.validators.number()},
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device: {value:"",required:true}
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device: {value:""}
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},
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label: function() {
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return this.device||"arduino";
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},
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oneditprepare: function() {
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try {
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$("#node-config-input-device").autocomplete( "destroy" );
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} catch(err) { }
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$("#node-config-lookup-serial").click(function() {
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$("#node-config-lookup-serial-icon").removeClass('icon-search');
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$("#node-config-lookup-serial-icon").addClass('spinner');
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$("#node-config-lookup-serial").addClass('disabled');
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$.getJSON('arduinoports',function(data) {
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$("#node-config-lookup-serial-icon").addClass('icon-search');
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$("#node-config-lookup-serial-icon").removeClass('spinner');
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$("#node-config-lookup-serial").removeClass('disabled');
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var ports = [];
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$.each(data, function(i, port){
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ports.push(port);
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});
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$("#node-config-input-device").autocomplete({
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source:ports,
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minLength:0,
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close: function( event, ui ) {
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$("#node-config-input-device").autocomplete( "destroy" );
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}
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}).autocomplete("search","");
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});
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});
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}
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});
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</script>
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@ -1,5 +1,5 @@
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/**
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* Copyright 2013 IBM Corp.
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* Copyright 2013,2014 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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@ -15,53 +15,33 @@
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**/
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module.exports = function(RED) {
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"use strict";
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var util = require("util");
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var firmata = require("firmata");
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var arduinoReady = false;
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var thisboard = null;
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var ArduinoFirmata = require('arduino-firmata');
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// The Board Definition - this opens (and closes) the connection
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function ArduinoNode(n) {
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RED.nodes.createNode(this,n);
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this.device = n.device;
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this.device = n.device || null;
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this.repeat = n.repeat||25;
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util.log("[firmata] Opening "+this.device);
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//node.log("opening connection "+this.device);
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var node = this;
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node.toun = setInterval(function() {
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if (!arduinoReady) {
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if (thisboard == null) {
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node.board = new firmata.Board(node.device, function(err) {
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if (err) {
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util.log("[firmata] error: "+err);
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return;
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}
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arduinoReady = true;
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thisboard = node.board;
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clearInterval(node.toun);
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util.log('[firmata] Arduino connected');
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});
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}
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else {
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node.board = thisboard;
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node.board.removeAllListeners();
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arduinoReady = true;
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clearInterval(node.toun);
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node.toun = false;
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util.log("[firmata] Arduino already connected");
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}
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} else { util.log("[firmata] Waiting for Firmata"); }
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}, 10000); // wait for firmata to connect to arduino
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node.board = new ArduinoFirmata();
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node.board.connect(node.device);
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this.on('close', function() {
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//this.board.sp.close(function() { console.log("[firmata] Serial port closed"); arduinoReady = false; });
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arduinoReady = false;
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if (node.toun) {
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clearInterval(node.toun);
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util.log("[firmata] arduino wait loop stopped");
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node.board.on('connect', function(){
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node.log("version "+node.board.boardVersion);
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})
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node.on('close', function() {
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if (node.board) {
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try {
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node.board.close(function() {
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node.log("port closed");
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});
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} catch(e) { }
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}
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util.log("[firmata] Stopped");
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});
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}
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RED.nodes.registerType("arduino-board",ArduinoNode);
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@ -77,46 +57,35 @@ module.exports = function(RED) {
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this.serverConfig = RED.nodes.getNode(this.arduino);
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if (typeof this.serverConfig === "object") {
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this.board = this.serverConfig.board;
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this.repeat = this.serverConfig.repeat;
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//this.repeat = this.serverConfig.repeat;
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var node = this;
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node.status({fill:"red",shape:"ring",text:"connecting"},true);
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node.toui = setInterval(function() {
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if (thisboard != null) {
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node.board = thisboard;
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clearInterval(node.toui);
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node.toui = false;
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//console.log("i",node.state,node.pin,node.board.MODES[node.state]);
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node.board.pinMode(node.pin, node.board.MODES[node.state]);
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node.board.setSamplingInterval(node.repeat);
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var oldrdg = "";
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if (node.state == "ANALOG") {
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node.board.analogRead(node.pin, function(data) {
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var msg = {payload:data, topic:"A"+node.pin};
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if (data != oldrdg) {
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node.send(msg);
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oldrdg = data;
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}
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});
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}
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else {
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node.board.digitalRead(node.pin, function(data) {
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var msg = {payload:data, topic:node.pin};
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node.board.on('connect', function() {
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node.status({fill:"green",shape:"dot",text:"connected"},true);
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//console.log("i",node.state,node.pin);
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if (node.state == "ANALOG") {
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node.board.on('analogChange', function(e) {
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if (e.pin == node.pin) {
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var msg = {payload:e.value, topic:"A"+e.pin};
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node.send(msg);
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});
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}
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}
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else { node.log("Waiting for Arduino"); }
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}, 5000); // loop to wait for firmata to connect to arduino
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}
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});
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this.on('close', function() {
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if (node.toui) {
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clearInterval(node.toui);
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util.log("[firmata] input wait loop stopped");
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}
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else {
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node.board.pinMode(node.pin, ArduinoFirmata.INPUT);
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node.board.on('digitalChange', function(e) {
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if (e.pin == node.pin) {
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var msg = {payload:e.value, topic:e.pin};
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node.send(msg);
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}
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});
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}
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});
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}
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else {
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util.log("[firmata] Serial Port not Configured");
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util.log("[Firmata-arduino] port not configured");
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}
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}
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RED.nodes.registerType("arduino in",DuinoNodeIn);
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@ -133,16 +102,19 @@ module.exports = function(RED) {
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if (typeof this.serverConfig === "object") {
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this.board = this.serverConfig.board;
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var node = this;
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node.status({fill:"red",shape:"ring",text:"connecting"},true);
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this.on("input", function(msg) {
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//console.log(msg);
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if (node.board != null) {
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node.board.on('connect', function() {
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node.status({fill:"green",shape:"dot",text:"connected"},true);
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//console.log("o",node.state,node.pin);
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node.board.pinMode(node.pin, node.state);
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node.on("input", function(msg) {
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if (node.state == "OUTPUT") {
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if ((msg.payload == true)||(msg.payload == 1)||(msg.payload.toString().toLowerCase() == "on")) {
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node.board.digitalWrite(node.pin, node.board.HIGH);
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node.board.digitalWrite(node.pin, true);
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}
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if ((msg.payload == false)||(msg.payload == 0)||(msg.payload.toString().toLowerCase() == "off")) {
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node.board.digitalWrite(node.pin, node.board.LOW);
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node.board.digitalWrite(node.pin, false);
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}
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}
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if (node.state == "PWM") {
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@ -159,31 +131,21 @@ module.exports = function(RED) {
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node.board.servoWrite(node.pin, msg.payload);
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}
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}
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}
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//else { console.log("Arduino not ready"); }
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});
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node.touo = setInterval(function() {
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if (thisboard != null) {
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clearInterval(node.touo);
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node.touo = false;
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node.board = thisboard;
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//console.log("o",node.state,node.pin,node.board.MODES[node.state]);
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node.board.pinMode(node.pin, node.board.MODES[node.state]);
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}
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else { util.log("[firmata] waiting for arduino to connect"); }
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}, 5000); // loop to wait for firmata to connect to arduino
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this.on('close', function() {
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if (node.touo) {
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clearInterval(node.touo);
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util.log("[firmata] output wait loop stopped");
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}
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});
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});
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}
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else {
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util.log("[firmata] Serial Port not Configured");
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util.log("[Firmata-arduino] port not configured");
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}
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}
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RED.nodes.registerType("arduino out",DuinoNodeOut);
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RED.httpAdmin.get("/arduinoports",function(req,res) {
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ArduinoFirmata.list(function (err, ports) {
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//console.log(JSON.stringify(ports));
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res.writeHead(200, {'Content-Type': 'text/plain'});
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res.write(JSON.stringify(ports));
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res.end();
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});
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});
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}
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