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Move Arduino node from core to external

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dceejay
2015-06-06 18:13:53 +01:00
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<!--
Copyright 2013,2015 IBM Corp.
Licensed under the Apache License, Version 2.0 (the "License");
you may not use this file except in compliance with the License.
You may obtain a copy of the License at
http://www.apache.org/licenses/LICENSE-2.0
Unless required by applicable law or agreed to in writing, software
distributed under the License is distributed on an "AS IS" BASIS,
WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
See the License for the specific language governing permissions and
limitations under the License.
-->
<script type="text/x-red" data-template-name="arduino in">
<div class="form-row">
<label for="node-input-arduino"><i class="fa fa-tasks"></i> Arduino</label>
<input type="text" id="node-input-arduino">
</div>
<div class="form-row">
<label for="node-input-pin"><i class="fa fa-circle"></i> Pin</label>
<input type="text" id="node-input-pin" placeholder="2">
</div>
<div class="form-row">
<label for="node-input-state"><i class="fa fa-wrench"></i> Type</label>
<select type="text" id="node-input-state" style="width: 150px;">
<option value="INPUT">Digital pin</option>
<option value="ANALOG">Analogue pin</option>
</select>
</div>
<div class="form-row">
<label for="node-input-name"><i class="fa fa-tag"></i> Name</label>
<input type="text" id="node-input-name" placeholder="Name">
</div>
<div class="form-tips"><b>Note:</b> You cannot use the same pin for both output and input.</div>
</script>
<script type="text/x-red" data-help-name="arduino in">
<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>
<p>The Arduino must be loaded with the Standard Firmata sketch available in the Arduino examples.</p>
<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>
<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>
<p>You can set the sample rate in ms from 20 to 65535.</p>
</script>
<script type="text/javascript">
RED.nodes.registerType('arduino in',{
category: 'Arduino',
color:"#3fadb5",
defaults: {
name: {value:""},
pin: {value:"",required:true},
state: {value:"INPUT",required:true},
arduino: {type:"arduino-board"}
},
inputs:0,
outputs:1,
icon: "arduino.png",
label: function() {
var a = "";
if (this.state === "ANALOG") { a = "A"; }
return this.name||"Pin: "+a+this.pin;
},
labelStyle: function() {
return this.name?"node_label_italic":"";
}
});
</script>
<script type="text/x-red" data-template-name="arduino out">
<div class="form-row">
<label for="node-input-arduino"><i class="fa fa-tasks"></i> Arduino</label>
<input type="text" id="node-input-arduino">
</div>
<div class="form-row">
<label for="node-input-pin"><i class="fa fa-circle"></i> Pin</label>
<input type="text" id="node-input-pin" placeholder="13">
</div>
<div class="form-row">
<label for="node-input-state"><i class="fa fa-wrench"></i> Type</label>
<select type="text" id="node-input-state" style="width: 200px;">
<option value="OUTPUT">Digital (0/1)</option>
<option value="PWM">Analogue (0-255)</option>
<option value="SERVO">Servo (0-180)</option>
</select>
</div>
<div class="form-row">
<label for="node-input-name"><i class="fa fa-tag"></i> Name</label>
<input type="text" id="node-input-name" placeholder="Name">
</div>
<div class="form-tips"><b>Note:</b> You cannot use the same pin for both output and input.</div>
</script>
<script type="text/x-red" data-help-name="arduino out">
<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>
<p>The Arduino must be loaded with the Standard Firmata sketch available in the Arduino examples.</p>
<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>
</script>
<script type="text/javascript">
RED.nodes.registerType('arduino out',{
category: 'Arduino',
color:"#3fadb5",
defaults: {
name: {value:""},
pin: {value:"",required:true},
state: {value:"",required:true},
arduino: {type:"arduino-board"}
},
inputs:1,
outputs:0,
icon: "arduino.png",
align: "right",
label: function() {
return this.name||"Pin: "+this.pin;
},
labelStyle: function() {
return this.name?"node_label_italic":"";
}
});
</script>
<script type="text/x-red" data-template-name="arduino-board">
<div class="form-row">
<label for="node-config-input-device"><i class="fa fa-random"></i> Port</label>
<input type="text" id="node-config-input-device" style="width:60%;" placeholder="e.g. /dev/ttyUSB0 COM1"/>
<a id="node-config-lookup-serial" class="btn"><i id="node-config-lookup-serial-icon" class="fa fa-search"></i></a>
</div>
<div class="form-tips"><b>Tip:</b> Use search to list serial ports, or leave blank to connect to first device found.</div>
</script>
<script type="text/javascript">
RED.nodes.registerType('arduino-board',{
category: 'config',
defaults: {
device: {value:""}
},
label: function() {
return this.device||"arduino";
},
oneditprepare: function() {
try {
$("#node-config-input-device").autocomplete( "destroy" );
} catch(err) { }
$("#node-config-lookup-serial").click(function() {
$("#node-config-lookup-serial-icon").removeClass('fa-search');
$("#node-config-lookup-serial-icon").addClass('spinner');
$("#node-config-lookup-serial").addClass('disabled');
$.getJSON('arduinoports',function(data) {
$("#node-config-lookup-serial-icon").addClass('fa-search');
$("#node-config-lookup-serial-icon").removeClass('spinner');
$("#node-config-lookup-serial").removeClass('disabled');
var ports = [];
$.each(data, function(i, port){
ports.push(port);
});
$("#node-config-input-device").autocomplete({
source:ports,
minLength:0,
close: function( event, ui ) {
$("#node-config-input-device").autocomplete( "destroy" );
}
}).autocomplete("search","");
});
});
}
});
</script>

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/**
* Copyright 2013,2015 IBM Corp.
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
**/
module.exports = function(RED) {
"use strict";
var ArduinoFirmata = require('arduino-firmata');
// The Board Definition - this opens (and closes) the connection
function ArduinoNode(n) {
RED.nodes.createNode(this,n);
this.device = n.device || null;
this.repeat = n.repeat||25;
//node.log("opening connection "+this.device);
var node = this;
node.board = new ArduinoFirmata();
ArduinoFirmata.list(function (err, ports) {
if (!node.device) {
node.log("connecting to first board found.");
node.board.connect();
}
else {
if (ports.indexOf(node.device) === -1) {
node.warn(node.device + " not found. Trying to find board.");
node.board.connect();
}
else {
node.log("connecting to "+node.device);
node.board.connect(node.device);
}
}
node.board.on('boardReady', function() {
node.log("connected to "+node.board.serialport_name);
if (RED.settings.verbose) { node.log("version "+node.board.boardVersion); }
});
});
node.on('close', function(done) {
if (node.board) {
try {
node.board.close(function() {
done();
if (RED.settings.verbose) { node.log("port closed"); }
});
} catch(e) { done(); }
} else { done(); }
});
}
RED.nodes.registerType("arduino-board",ArduinoNode);
// The Input Node
function DuinoNodeIn(n) {
RED.nodes.createNode(this,n);
this.buttonState = -1;
this.pin = n.pin;
this.state = n.state;
this.arduino = n.arduino;
this.serverConfig = RED.nodes.getNode(this.arduino);
if (typeof this.serverConfig === "object") {
this.board = this.serverConfig.board;
var node = this;
node.status({fill:"red",shape:"ring",text:"connecting"});
node.board.on('connect', function() {
node.status({fill:"green",shape:"dot",text:"connected"});
//console.log("i",node.state,node.pin);
if (node.state == "ANALOG") {
node.board.on('analogChange', function(e) {
if (e.pin == node.pin) {
var msg = {payload:e.value, topic:"A"+e.pin};
node.send(msg);
}
});
}
if (node.state == "INPUT") {
node.board.pinMode(node.pin, ArduinoFirmata.INPUT);
node.board.on('digitalChange', function(e) {
if (e.pin == node.pin) {
var msg = {payload:e.value, topic:e.pin};
node.send(msg);
}
});
}
if (node.state == "SYSEX") {
node.board.on('sysex', function(e) {
var msg = {payload:e, topic:"sysex"};
node.send(msg);
});
}
});
}
else {
this.warn("port not configured");
}
}
RED.nodes.registerType("arduino in",DuinoNodeIn);
// The Output Node
function DuinoNodeOut(n) {
RED.nodes.createNode(this,n);
this.buttonState = -1;
this.pin = n.pin;
this.state = n.state;
this.arduino = n.arduino;
this.serverConfig = RED.nodes.getNode(this.arduino);
if (typeof this.serverConfig === "object") {
this.board = this.serverConfig.board;
var node = this;
node.status({fill:"red",shape:"ring",text:"connecting"});
node.board.on('connect', function() {
node.status({fill:"green",shape:"dot",text:"connected"});
//console.log("o",node.state,node.pin);
node.board.pinMode(node.pin, node.state);
node.on("input", function(msg) {
if (node.state === "OUTPUT") {
if ((msg.payload === true)||(msg.payload.toString() == "1")||(msg.payload.toString().toLowerCase() == "on")) {
node.board.digitalWrite(node.pin, true);
}
if ((msg.payload === false)||(msg.payload.toString() == "0")||(msg.payload.toString().toLowerCase() == "off")) {
node.board.digitalWrite(node.pin, false);
}
}
if (node.state === "PWM") {
msg.payload = msg.payload * 1;
if ((msg.payload >= 0) && (msg.payload <= 255)) {
node.board.analogWrite(node.pin, msg.payload);
}
}
if (node.state === "SERVO") {
msg.payload = msg.payload * 1;
if ((msg.payload >= 0) && (msg.payload <= 180)) {
node.board.servoWrite(node.pin, msg.payload);
}
}
if (node.state === "SYSEX") {
node.board.sysex(msg.payload);
}
});
});
}
else {
this.warn("port not configured");
}
}
RED.nodes.registerType("arduino out",DuinoNodeOut);
RED.httpAdmin.get("/arduinoports", RED.auth.needsPermission("arduino.read"), function(req,res) {
ArduinoFirmata.list(function (err, ports) {
res.json(ports);
});
});
}

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Apache License
Version 2.0, January 2004
http://www.apache.org/licenses/
TERMS AND CONDITIONS FOR USE, REPRODUCTION, AND DISTRIBUTION
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node-red-node-arduino
=====================
A <a href="http://nodered.org" target="_new">Node-RED</a> node to talk to an Arduino running firmata.
**Note** : This is the same node as is/was in the core of Node-RED. If you already
have it installed you do NOT need this node. However it will be deprecated from
the core in due course, at which point you will need to install it from here if
still required.
Install
-------
Run the following command in the root directory of your Node-RED install, usually
this is ~/.node-red .
npm install node-red-node-arduino
Usage
-----
The Firmata firmware must be loaded into the Arduino.
See the [main documentation](http://nodered.org/docs/hardware/arduino.html) for
details and examples of how to use this node.
###Input Node
Connects to local Arduino and monitors the selected pin for changes.
You can select either Digital or Analogue input. Outputs the value read as **msg.payload** and the pin number as **msg.topic**.
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.
You can set the sample rate in ms from 20 to 65535.
###Output Node
Connects to local Arduino and writes to the selected pin.
You can select Digital, Analogue (PWM) or Servo type outputs. Expects a numeric value in **msg.payload**. The pin number is set in the properties panel.
###Example
Simple flow to blink Pin 13
[{"id":"d7663aaf.47194","type":"arduino-board","device":""},{"id":"dae8234f.2517e","type":"inject","name":"0.5s tick","topic":"","payload":"","payloadType":"date","repeat":"0.5","crontab":"","once":false,"x":150,"y":100,"z":"359a4b52.ca65b4","wires":[["56a6f8f2.a95908"]]},{"id":"2db61802.d249e8","type":"arduino out","name":"","pin":"13","state":"OUTPUT","arduino":"d7663aaf.47194","x":570.5,"y":100,"z":"359a4b52.ca65b4","wires":[]},{"id":"56a6f8f2.a95908","type":"function","name":"Toggle output on input","func":"\n// If it does exist make it the inverse of what it was or else initialise it to false\n// (context variables persist between calls to the function)\ncontext.level = !context.level || false;\n\n// set the payload to the level and return\nmsg.payload = context.level;\nreturn msg;","outputs":1,"noerr":0,"x":358,"y":100,"z":"359a4b52.ca65b4","wires":[["2db61802.d249e8"]]}]

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hardware/Arduino/package.json Normal file
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{
"name" : "node-red-node-arduino",
"version" : "0.0.1",
"description" : "A Node-RED node to talk to an Arduino running firmata",
"dependencies" : {
"arduino-firmata" : "0.3.2"
},
"repository" : {
"type":"git",
"url":"https://github.com/node-red/node-red-nodes/tree/master/hardware/Arduino"
},
"license": "Apache-2.0",
"keywords": [ "node-red", "arduino", "firmata" ],
"node-red" : {
"nodes" : {
"arduino": "35-arduino.js"
}
},
"author": {
"name": "Dave Conway-Jones",
"email": "ceejay@vnet.ibm.com",
"url": "http://nodered.org"
}
}