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Add Camera class. Lists serial and connects to one of them.

This commit is contained in:
Matt McWilliams 2024-07-09 00:02:45 -04:00
parent 9aaf9a215d
commit c5e03f669e
6 changed files with 702 additions and 80 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

13
dist/camera/index.d.ts vendored Normal file
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@ -0,0 +1,13 @@
export declare class Camera {
private log;
private parser;
private ready;
private serial;
private baud;
constructor();
private begin;
private filter;
private enumerate;
private connect;
private onData;
}

82
dist/camera/index.js vendored Normal file
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@ -0,0 +1,82 @@
"use strict";
Object.defineProperty(exports, "__esModule", { value: true });
exports.Camera = void 0;
const log_1 = require("../log");
const serialport_1 = require("serialport");
const parser_readline_1 = require("@serialport/parser-readline");
class Camera {
constructor() {
this.ready = false;
this.serial = null;
this.baud = 57600;
this.log = (0, log_1.createLog)('camera');
this.parser = new parser_readline_1.ReadlineParser({ delimiter: '\r\n' });
this.begin();
}
async begin() {
let ports = [];
let selected = false;
try {
ports = await this.enumerate();
}
catch (err) {
this.log.error('Error calling enumerate()', err);
}
if (ports.length === 0) {
this.log.warn('No USB camera devices connected');
return;
}
for (let port of ports) {
this.log.info(`Found USB serial device: ${port} ${selected ? '*' : ''}`);
selected = false;
}
try {
await this.connect(ports[0]);
}
catch (err) {
this.log.error(`Error connecting to ${ports[0]}`, err);
}
}
filter(port) {
if ((port.manufacturer + '').toLowerCase().indexOf('arduino') !== -1 ||
(port.path + '').toLowerCase().indexOf('usbserial') !== -1 ||
(port.path + '').toLowerCase().indexOf('usbmodem') !== -1 ||
(port.path + '').toLowerCase().indexOf('ttyusb') !== -1) {
return true;
}
return false;
}
async enumerate() {
let listed = [];
try {
listed = await serialport_1.SerialPort.list();
}
catch (err) {
this.log.error('Error listing serial ports', err);
}
return listed.filter(this.filter).map((port) => port.path);
}
async connect(port) {
try {
this.serial = new serialport_1.SerialPort({
path: port,
autoOpen: false,
baudRate: this.baud,
});
}
catch (err) {
this.log.error('Error creating SerialPort object', err);
}
if (this.serial !== null) {
this.serial.pipe(this.parser);
this.parser.on('data', this.onData.bind(this));
}
this.ready = true;
}
onData(data) {
this.log.info(`Data received: "${data}"`);
}
}
exports.Camera = Camera;
module.exports = { Camera };
//# sourceMappingURL=index.js.map

1
dist/camera/index.js.map vendored Normal file
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6
package.json
View File

@ -6,8 +6,8 @@
"scripts": {
"test": "echo \"Error: no test specified\" && exit 1",
"compile": "npm run compile_node && npm run compile_browser",
"compile_node" : "./node_modules/.bin/tsc -p tsconfig.json",
"compile_browser" : "./node_modules/.bin/tsc -p tsconfig-browser.json"
"compile_node": "./node_modules/.bin/tsc -p tsconfig.json",
"compile_browser": "./node_modules/.bin/tsc -p tsconfig-browser.json"
},
"author": "",
"license": "MIT",
@ -24,11 +24,11 @@
"body-parser": "^1.20.2",
"dotenv": "^16.4.5",
"express": "^4.19.2",
"galil": "github:artaic/galil",
"handlebars": "^4.7.8",
"lodash": "^4.17.21",
"multer": "^1.4.5-lts.1",
"nodemailer": "^6.9.13",
"serialport": "^12.0.0",
"sqlite3": "^5.1.7",
"triple-beam": "^1.4.1",
"uuid": "^9.0.1",

95
src/camera/index.ts Normal file
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@ -0,0 +1,95 @@
import { createLog } from '../log';
import type { Logger } from 'winston';
import { SerialPort } from 'serialport';
import { ReadlineParser } from '@serialport/parser-readline';
interface PortInfo {
path: string;
manufacturer: string | undefined;
serialNumber: string | undefined;
pnpId: string | undefined;
locationId: string | undefined;
productId: string | undefined;
vendorId: string | undefined;
}
export class Camera {
private log : Logger;
private parser : ReadlineParser;
private ready : boolean = false;
private serial : any = null;
private baud : number = 57600;
constructor () {
this.log = createLog('camera');
this.parser = new ReadlineParser({ delimiter: '\r\n' });
this.begin();
}
private async begin () {
let ports : string[] = [];
let selected : boolean = false;
try {
ports = await this.enumerate();
} catch (err) {
this.log.error('Error calling enumerate()', err);
}
if (ports.length === 0) {
this.log.warn('No USB camera devices connected');
return;
}
for (let port of ports) {
this.log.info(`Found USB serial device: ${port} ${selected ? '*' : ''}`);
selected = false;
}
try {
await this.connect(ports[0]);
} catch (err) {
this.log.error(`Error connecting to ${ports[0]}`, err);
}
}
private filter (port : PortInfo) {
if ((port.manufacturer + '').toLowerCase().indexOf('arduino') !== -1 ||
(port.path + '').toLowerCase().indexOf('usbserial') !== -1 ||
(port.path + '').toLowerCase().indexOf('usbmodem') !== -1 ||
(port.path + '').toLowerCase().indexOf('ttyusb') !== -1) {
return true;
}
return false;
}
private async enumerate () : Promise<string[]> {
let listed : PortInfo[] = [];
try {
listed = await SerialPort.list();
} catch (err) {
this.log.error('Error listing serial ports', err);
}
return listed.filter(this.filter).map((port : PortInfo) => port.path);
}
private async connect (port : string) {
try {
this.serial = new SerialPort({
path : port,
autoOpen : false,
baudRate: this.baud,
})
} catch (err) {
this.log.error('Error creating SerialPort object', err);
}
if (this.serial !== null) {
this.serial.pipe(this.parser);
this.parser.on('data', this.onData.bind(this));
}
this.ready = true;
}
private onData (data : string) {
this.log.info(`Data received: "${data}"`);
}
}
module.exports = { Camera };