mirror of https://github.com/node-red/node-red.git
Add warning to Arduino node (as underlying firmata won't allow pins to be both inputas and outputs at the same time)
This commit is contained in:
Dave C-J
parent
f3ec90eee0
commit
f3040ae95c
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@ -1,12 +1,12 @@
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<!--
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Copyright 2013 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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You may obtain a copy of the License at
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http://www.apache.org/licenses/LICENSE-2.0
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Unless required by applicable law or agreed to in writing, software
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distributed under the License is distributed on an "AS IS" BASIS,
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WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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@ -14,7 +14,7 @@
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limitations under the License.
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-->
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<script type="text/x-red" data-template-name="arduino in">
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<div class="form-row">
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<div class="form-row">
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<label for="node-input-arduino"><i class="icon-tasks"></i> Arduino</label>
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<input type="text" id="node-input-arduino">
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</div>
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@ -33,13 +33,14 @@
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<label for="node-input-name"><i class="icon-tag"></i> Name</label>
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<input type="text" id="node-input-name" placeholder="Name">
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</div>
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<div class="form-tips"><b>Note:</b> You cannot use the same pin for both output and input.</div>
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</script>
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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>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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<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>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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</script>
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<script type="text/javascript">
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@ -56,8 +57,8 @@
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outputs:1,
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icon: "arduino.png",
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label: function() {
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var a = "";
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if (this.state == "ANALOG") a = "A";
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var a = "";
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if (this.state == "ANALOG") a = "A";
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return this.name||"Pin: "+a+this.pin;
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},
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labelStyle: function() {
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@ -67,7 +68,7 @@
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</script>
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<script type="text/x-red" data-template-name="arduino out">
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<div class="form-row">
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<div class="form-row">
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<label for="node-input-arduino"><i class="icon-tasks"></i> Arduino</label>
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<input type="text" id="node-input-arduino">
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</div>
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@ -87,11 +88,12 @@
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<label for="node-input-name"><i class="icon-tag"></i> Name</label>
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<input type="text" id="node-input-name" placeholder="Name">
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</div>
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<div class="form-tips"><b>Note:</b> You cannot use the same pin for both output and input.</div>
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</script>
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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>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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<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>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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<script type="text/javascript">
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@ -19,168 +19,178 @@ 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 pins = [];
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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.repeat = n.repeat||25;
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util.log("[firmata] Opening "+this.device);
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var node = this;
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RED.nodes.createNode(this,n);
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this.device = n.device;
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this.repeat = n.repeat||25;
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util.log("[firmata] Opening "+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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console.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.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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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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}
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util.log("[firmata] Stopped");
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});
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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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}
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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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// The Input Node
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function DuinoNodeIn(n) {
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RED.nodes.createNode(this,n);
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this.buttonState = -1;
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this.pin = n.pin;
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this.state = n.state;
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this.arduino = n.arduino;
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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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var node = this;
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RED.nodes.createNode(this,n);
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this.buttonState = -1;
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this.pin = n.pin;
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this.state = n.state;
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this.arduino = n.arduino;
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this.serverConfig = RED.nodes.getNode(this.arduino);
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if (pins.indexOf(this.pin) > -1) {
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this.error("Arduino pin being used more than once");
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}
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else pins.push(this.pin);
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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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var node = this;
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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(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.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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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.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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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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});
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}
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else {
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util.log("[firmata] Serial Port not Configured");
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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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});
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}
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else {
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util.log("[firmata] Serial 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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// The Output Node
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function DuinoNodeOut(n) {
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RED.nodes.createNode(this,n);
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this.buttonState = -1;
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this.pin = n.pin;
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this.state = n.state;
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this.arduino = n.arduino;
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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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var node = this;
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RED.nodes.createNode(this,n);
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this.buttonState = -1;
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this.pin = n.pin;
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this.state = n.state;
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this.arduino = n.arduino;
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if (pins.indexOf(this.pin) > -1) {
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this.error("Arduino pin being used more than once");
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}
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else pins.push(this.pin);
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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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var node = this;
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this.on("input", function(msg) {
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//console.log(msg);
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if (thisboard != null) {
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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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}
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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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}
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}
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if (node.state == "PWM") {
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msg.payload = msg.payload * 1;
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if ((msg.payload >= 0) && (msg.payload <= 255)) {
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//console.log(msg.payload, node.pin);
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node.board.servoWrite(node.pin, msg.payload);
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}
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}
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if (node.state == "SERVO") {
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msg.payload = msg.payload * 1;
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if ((msg.payload >= 0) && (msg.payload <= 180)) {
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//console.log(msg.payload, node.pin);
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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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this.on("input", function(msg) {
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//console.log(msg);
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if (node.board != null) {
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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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}
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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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}
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}
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if (node.state == "PWM") {
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msg.payload = msg.payload * 1;
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if ((msg.payload >= 0) && (msg.payload <= 255)) {
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//console.log(msg.payload, node.pin);
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node.board.servoWrite(node.pin, msg.payload);
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}
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}
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if (node.state == "SERVO") {
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msg.payload = msg.payload * 1;
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if ((msg.payload >= 0) && (msg.payload <= 180)) {
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//console.log(msg.payload, node.pin);
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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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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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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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else {
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util.log("[firmata] Serial Port not Configured");
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}
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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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else {
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util.log("[firmata] Serial 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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