408 lines
14 KiB
JavaScript
408 lines
14 KiB
JavaScript
'use strict';
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Object.defineProperty(exports, "__esModule", { value: true });
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//import Log = require('log');
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const delay_1 = require("delay");
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const SerialPort = require('serialport');
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const Readline = SerialPort.parsers.Readline;
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const exec = require('child_process').exec;
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const parser = new Readline('');
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const newlineRe = new RegExp('\n', 'g');
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const returnRe = new RegExp('\r', 'g');
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let eventEmitter;
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let cfg;
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let arduino;
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const KNOWN = [
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'/dev/tty.usbmodem1a161',
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'/dev/tty.usbserial-A800f8dk',
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'/dev/tty.usbserial-A900cebm',
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'/dev/tty.usbmodem1a131',
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'/dev/tty.usbserial-a900f6de',
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'/dev/tty.usbmodem1a141',
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'/dev/ttyACM0',
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'COM3'
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];
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/**
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* Class representing the arduino communication features
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**/
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class Arduino {
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constructor(errorState) {
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this.path = {};
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this.known = KNOWN;
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this.alias = {};
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this.serial = { connect: {}, projector: {}, camera: {}, light: {} };
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this.baud = 57600;
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this.queue = {};
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this.timer = 0;
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this.lock = false;
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this.locks = {};
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this.errorState = errorState;
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this.init();
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}
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async init() {
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const Log = require('log');
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this.log = await Log({ label: 'arduino' });
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}
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/**
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* Enumerate all connected devices that might be Arduinos
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*
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* @returns {Promise} Resolves after enumerating
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**/
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async enumerate() {
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let ports;
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let matches = [];
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try {
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ports = await SerialPort.list();
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}
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catch (err) {
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throw err;
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}
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this.log.info('Available ports:');
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this.log.info(ports.map((port) => { return port.path; }).join(','));
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ports.forEach((port) => {
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if (this.known.indexOf(port.path) !== -1) {
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matches.push(port.path);
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}
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else if ((port.manufacturer + '').toLowerCase().indexOf('arduino') !== -1) {
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matches.push(port.path);
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}
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else if ((port.path + '').toLowerCase().indexOf('usbserial') !== -1) {
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matches.push(port.path);
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}
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else if ((port.path + '').toLowerCase().indexOf('usbmodem') !== -1) {
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matches.push(port.path);
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}
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else if ((port.path + '').toLowerCase().indexOf('ttyusb') !== -1) {
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matches.push(port.path);
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}
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});
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if (matches.length === 0) {
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throw new Error('No USB devices found');
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}
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else if (matches.length > 0) {
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return matches;
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}
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}
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/**
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* Send a command to an Arduino using async/await
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*
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* @param {string} device Arduino identifier
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* @param {string} cmd Single character command to send
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*
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* @returns {Promise} Resolves after sending
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**/
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async sendAsync(device, cmd) {
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return new Promise((resolve, reject) => {
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this.queue[cmd] = (ms) => {
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return resolve(ms);
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};
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return this.serial[device].write(cmd, (err, results) => {
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if (err) {
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//console.error(err)
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return reject(err);
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}
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//
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});
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});
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}
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async send(serial, cmd) {
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const device = this.alias[serial];
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let results;
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console.log(`${cmd} -> ${serial}`);
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if (this.locks[serial]) {
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return false;
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}
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this.timer = new Date().getTime();
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this.locks[serial] = true;
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await delay_1.delay(cfg.arduino.serialDelay);
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try {
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results = await this.sendAsync(device, cmd);
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}
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catch (e) {
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return console.error(e);
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}
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this.locks[serial] = false;
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await eventEmitter.emit('arduino_send', cmd);
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return results;
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}
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async string(serial, str) {
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const device = this.alias[serial];
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let writeSuccess;
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await delay_1.delay(cfg.arduino.serialDelay);
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if (typeof this.serial[device].fake !== 'undefined'
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&& this.serial[device].fake) {
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return this.serial[device].string(str);
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}
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else {
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try {
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writeSuccess = await this.writeAsync(device, str);
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}
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catch (e) {
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return console.error(e);
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}
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return writeSuccess;
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}
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}
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/**
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* Send a string to an Arduino using async/await
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*
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* @param {string} device Arduino identifier
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* @param {string} str String to send
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*
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* @returns {Promise} Resolves after sending
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**/
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async writeAsync(device, str) {
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return new Promise((resolve, reject) => {
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this.serial[device].write(str, function (err, results) {
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if (err) {
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return reject(err);
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}
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return resolve(results);
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});
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});
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}
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end(serial, data) {
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const end = new Date().getTime();
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const ms = end - this.timer;
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let complete;
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console.log(`${serial} -> ${data}`);
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if (this.queue[data] !== undefined) {
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this.locks[serial] = false;
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complete = this.queue[data](ms); //execute callback
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eventEmitter.emit('arduino_end', data);
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delete this.queue[data];
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}
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else if (data === 'E') {
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//error state
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//stop sequence
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//throw error in ui
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}
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else {
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//console.log('Received stray "' + data + '"'); //silent to user
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}
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return ms;
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}
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aliasSerial(serial, device) {
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//this.log.info(`Making "${serial}" an alias of ${device}`);
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this.alias[serial] = device;
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}
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async connect(serial, device, confirm) {
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return new Promise(async (resolve, reject) => {
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let connectSuccess;
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this.path[serial] = device;
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this.alias[serial] = device;
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this.serial[device] = new SerialPort(this.path[serial], {
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autoOpen: false,
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baudRate: cfg.arduino.baud,
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parser: parser
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});
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this.locks[device] = false;
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try {
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connectSuccess = await this.openArduino(device);
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}
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catch (e) {
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console.error('failed to open: ' + e);
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return reject(e);
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}
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//console.log(`Opened connection with ${this.path[serial]} as ${serial}`);
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if (!confirm) {
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this.serial[device].on('data', async (data) => {
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let d = data.toString('utf8');
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d = d.replace(newlineRe, '').replace(returnRe, '');
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return this.end(serial, d);
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});
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}
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else {
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this.serial[device].on('data', async (data) => {
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let d = data.toString('utf8');
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d = d.replace(newlineRe, '').replace(returnRe, '');
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return await this.confirmEnd(d);
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});
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}
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return resolve(this.path[serial]);
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});
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}
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confirmEnd(data) {
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//console.dir(data)
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if (data === cfg.arduino.cmd.connect
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|| data === cfg.arduino.cmd.projector_identifier
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|| data === cfg.arduino.cmd.camera_identifier
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|| data === cfg.arduino.cmd.light_identifier
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|| data === cfg.arduino.cmd.projector_light_identifier
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|| data === cfg.arduino.cmd.projector_camera_light_identifier
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|| data === cfg.arduino.cmd.projector_camera_identifier
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|| data === cfg.arduino.cmd.projector_second_identifier
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|| data === cfg.arduino.cmd.projectors_identifier
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|| data === cfg.arduino.cmd.projector_second_forward
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|| data === cfg.arduino.cmd.projector_second_backward
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|| data === cfg.arduino.cmd.projector_second
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|| data === cfg.arduino.cmd.projectors
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|| data === cfg.arduino.cmd.camera_second_identifier
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|| data === cfg.arduino.cmd.cameras_identifier
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|| data === cfg.arduino.cmd.camera_second_forward
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|| data === cfg.arduino.cmd.camera_second_backward
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|| data === cfg.arduino.cmd.camera_second
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|| data === cfg.arduino.cmd.cameras) {
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this.confirmExec(null, data);
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this.confirmExec = {};
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}
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}
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async verify() {
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return new Promise(async (resolve, reject) => {
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const device = this.alias['connect'];
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let writeSuccess;
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this.confirmExec = function (err, data) {
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if (data === cfg.arduino.cmd.connect) {
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return resolve(true);
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}
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else {
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return reject('Wrong data returned');
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}
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};
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await delay_1.delay(cfg.arduino.serialDelay);
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try {
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writeSuccess = await this.sendAsync(device, cfg.arduino.cmd.connect);
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}
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catch (e) {
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return reject(e);
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}
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return resolve(writeSuccess);
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});
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}
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async distinguish() {
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return new Promise(async (resolve, reject) => {
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const device = this.alias['connect'];
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let writeSuccess;
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let type;
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this.confirmExec = function (err, data) {
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if (data === cfg.arduino.cmd.projector_identifier) {
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type = 'projector';
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}
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else if (data === cfg.arduino.cmd.camera_identifier) {
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type = 'camera';
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}
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else if (data === cfg.arduino.cmd.light_identifier) {
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type = 'light';
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}
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else if (data === cfg.arduino.cmd.projector_light_identifier) {
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type = 'projector,light';
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}
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else if (data === cfg.arduino.cmd.projector_camera_light_identifier) {
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type = 'projector,camera,light';
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}
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else if (data === cfg.arduino.cmd.projector_camera_identifier) {
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type = 'projector,camera';
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}
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else if (data === cfg.arduino.cmd.projector_second_identifier) {
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type = 'projector_second';
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}
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else if (data === cfg.arduino.cmd.projectors_identifier) {
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type = 'projector,projector_second';
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}
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else if (data === cfg.arduino.cmd.camera_second_identifier) {
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type = 'camera_second';
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}
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else if (data === cfg.arduino.cmd.cameras_identifier) {
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type = 'camera,camera_second';
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}
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else if (data === cfg.arduino.cmd.camera_projectors_identifier) {
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type = 'camera,projector,projector_second';
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}
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else if (data === cfg.arduino.cmd.cameras_projector_identifier) {
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type = 'camera,camera_second,projector';
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}
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else if (data === cfg.arduino.cmd.cameras_projectors_identifier) {
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type = 'camera,camera_second,projector,projector_second';
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}
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return resolve(type);
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};
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await delay_1.delay(cfg.arduino.serialDelay);
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try {
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writeSuccess = await this.sendAsync(device, cfg.arduino.cmd.mcopy_identifier);
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}
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catch (e) {
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return reject(e);
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}
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});
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}
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async close() {
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const device = this.alias['connect'];
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let closeSuccess;
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try {
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closeSuccess = await this.closeArduino(device);
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}
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catch (e) {
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throw e;
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}
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return closeSuccess;
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}
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;
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async fakeConnect(serial) {
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const device = '/dev/fake';
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this.alias[serial] = device;
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this.serial[device] = {
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write: async function (cmd, cb) {
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const t = {
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c: cfg.arduino.cam.time + cfg.arduino.cam.delay,
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p: cfg.arduino.proj.time + cfg.arduino.proj.delay
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};
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let timeout = t[cmd];
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if (typeof timeout === 'undefined')
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timeout = 10;
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arduino.timer = +new Date();
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await delay_1.delay(timeout);
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arduino.end(serial, cmd);
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return cb();
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},
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string: async function (str) {
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//do nothing
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return true;
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},
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fake: true
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};
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//console.log('Connected to fake arduino! Not real! Does not exist!');
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return true;
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}
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/**
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* Connect to an Arduino using async/await
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*
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* @param {string} device Arduino identifier
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*
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* @returns {Promise} Resolves after opening
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**/
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async openArduino(device) {
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return new Promise((resolve, reject) => {
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return this.serial[device].open((err) => {
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if (err) {
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return reject(err);
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}
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return resolve(true);
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});
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});
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}
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/**
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* Close a connection to an Arduino using async/await
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*
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* @param {string} device Arduino identifier
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*
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* @returns {Promise} Resolves after closing
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**/
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async closeArduino(device) {
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return new Promise((resolve, reject) => {
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return this.serial[device].close((err) => {
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if (err) {
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return reject(err);
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}
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return resolve(true);
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});
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});
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}
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}
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if (typeof module !== 'undefined' && module.parent) {
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module.exports = function (c, ee, errorState) {
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eventEmitter = ee;
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cfg = c;
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arduino = new Arduino(errorState);
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return arduino;
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};
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}
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//# sourceMappingURL=index.js.map
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