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