mirror of
https://github.com/node-red/node-red-nodes.git
synced 2023-10-10 13:36:58 +02:00
220 lines
9.7 KiB
JavaScript
220 lines
9.7 KiB
JavaScript
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module.exports = function(RED) {
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"use strict";
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var Board = require('firmata');
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var SP = require('serialport');
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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 || null;
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this.running = false;
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this.reported = false;
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var node = this;
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var startup = function() {
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node.board = new Board(node.device, function(e) {
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if ((e !== undefined) && (e.toString().indexOf("cannot open") !== -1) ) {
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if (node.reported === false) {
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node.error(RED._("arduino.errors.portnotfound",{device:node.device}));
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node.reported = true;
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}
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}
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else if (e === undefined) {
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node.running = true;
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node.reported = false;
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node.board.once('ready', function() {
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node.log(RED._("arduino.status.connected",{device:node.board.sp.path}));
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if (RED.settings.verbose) {
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node.log(RED._("arduino.status.version",{version:node.board.firmware.name+"-"+node.board.version.major+"."+node.board.version.minor}));
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}
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});
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node.board.once('close', function() {
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node.error(RED._("arduino.status.portclosed"));
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});
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node.board.once('disconnect', function() {
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if (node.running === true) { setTimeout(function() { node.running = false; startup(); }, 5000); }
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});
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}
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});
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setTimeout(function() { if (node.running === false) { startup(); } }, 5000);
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};
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startup();
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node.on('close', function(done) {
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node.running = false;
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if (node.board) {
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try {
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node.board.transport.close(function() {
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if (RED.settings.verbose) { node.log(RED._("arduino.status.portclosed")); }
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done();
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});
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}
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catch(e) { done(); }
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}
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else { done(); }
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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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this.running = false;
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var node = this;
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if (typeof this.serverConfig === "object") {
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var startup = function() {
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node.board = node.serverConfig.board;
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node.board.setMaxListeners(0);
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node.oldval = "";
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node.status({fill:"grey",shape:"ring",text:"node-red:common.status.connecting"});
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var doit = function() {
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node.running = true;
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if (node.state === "ANALOG") { node.board.pinMode(node.pin, 0x02); }
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if (node.state === "INPUT") { node.board.pinMode(node.pin, 0x00); }
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if (node.state === "PULLUP") { node.board.pinMode(node.pin, 0x0B); }
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node.status({fill:"green",shape:"dot",text:"node-red:common.status.connected"});
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if (node.state === "ANALOG") {
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node.board.analogRead(node.pin, function(v) {
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if (v !== node.oldval) {
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node.oldval = v;
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node.send({payload:v, topic:"A"+node.pin});
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}
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});
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}
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if (node.state === "INPUT") {
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node.board.digitalRead(node.pin, function(v) {
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if (v !== node.oldval) {
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node.oldval = v;
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node.send({payload:v, topic:node.pin});
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}
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});
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}
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if (node.state === "PULLUP") {
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node.board.digitalRead(node.pin, function(v) {
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if (v !== node.oldval) {
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node.oldval = v;
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node.send({payload:v, topic:node.pin});
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}
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});
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}
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if (node.state == "STRING") {
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node.board.on('string', function(v) {
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if (v !== node.oldval) {
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node.oldval = v;
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node.send({payload:v, topic:"string"});
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}
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});
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}
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node.board.once('disconnect', function() {
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node.status({fill:"red",shape:"ring",text:"node-red:common.status.not-connected"});
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if (node.running) { setTimeout(function() { node.running = false; startup(); }, 5500); }
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});
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}
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if (node.board.isReady) { doit(); }
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else { node.board.once("ready", function() { doit(); }); }
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setTimeout(function() { if (node.running === false) { startup(); } }, 4500);
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}
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startup();
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}
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else {
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node.warn(RED._("arduino.errors.portnotconf"));
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}
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node.on('close', function() {
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node.running = false;
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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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this.running = false;
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var node = this;
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if (typeof node.serverConfig === "object") {
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var startup = function() {
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node.board = node.serverConfig.board;
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node.board.setMaxListeners(0);
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node.status({fill:"grey",shape:"ring",text:"node-red:common.status.connecting"});
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var doit = function() {
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node.running = true;
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if (node.state === "OUTPUT") { node.board.pinMode(node.pin, 0x01); }
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if (node.state === "PWM") { node.board.pinMode(node.pin, 0x03); }
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if (node.state === "SERVO") { node.board.pinMode(node.pin, 0x04); }
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node.status({fill:"green",shape:"dot",text:"node-red:common.status.connected"});
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node.on("input", function(msg) {
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if (node.board.isReady) {
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if (node.state === "OUTPUT") {
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if ((msg.payload === true)||(msg.payload.toString() == "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.toString() == "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 = parseInt((msg.payload * 1) + 0.5);
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if ((msg.payload >= 0) && (msg.payload <= 255)) {
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node.board.analogWrite(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 = parseInt((msg.payload * 1) + 0.5);
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if ((msg.payload >= 0) && (msg.payload <= 180)) {
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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 === "SYSEX") {
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node.board.sysexCommand(msg.payload);
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}
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if (node.state === "STRING") {
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node.board.sendString(msg.payload.toString());
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}
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}
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});
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node.board.once('disconnect', function() {
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node.status({fill:"red",shape:"ring",text:"node-red:common.status.not-connected"});
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if (node.running === true) { setTimeout(function() { node.running = false; startup(); }, 5500); }
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});
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}
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if (node.board.isReady) { doit(); }
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else { node.board.once("ready", function() { doit(); }); }
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setTimeout(function() { if (node.running === false) { startup(); } }, 4500);
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}
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startup();
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}
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else {
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node.warn(RED._("arduino.errors.portnotconf"));
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}
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node.on('close', function() {
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node.running = false;
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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", RED.auth.needsPermission("arduino.read"), function(req,res) {
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SP.list().then(
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ports => {
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const a = ports.map(p => p.comName);
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res.json(a);
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},
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err => {
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this.log('Error listing serial ports', err)
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}
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)
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});
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}
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