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

dist/camera/index.d.ts

@@ -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;
+}

dist/camera/index.js

@@ -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

dist/camera/index.js.map

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package-lock.json

@@ -12,11 +12,11 @@
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         "dotenv": "^16.4.5",
         "express": "^4.19.2",
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         "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",
@@ -81,6 +81,263 @@
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+      "integrity": "sha512-NTZVKn9IylLwUzaKjkas1e4u2DLNcV4rdYagA4PWdPwW87Bi7z+BznyKSRwS/761tV/lzCGXplWsiaMjLqP2zQ=="
+    },
     "nodemailer": {
       "version": "6.9.13",
       "resolved": "https://registry.npmjs.org/nodemailer/-/nodemailer-6.9.13.tgz",
@@ -4180,11 +4580,6 @@
         "tunnel-agent": "^0.6.0"
       }
     },
-    "precond": {
-      "version": "0.2.3",
-      "resolved": "https://registry.npmjs.org/precond/-/precond-0.2.3.tgz",
-      "integrity": "sha512-QCYG84SgGyGzqJ/vlMsxeXd/pgL/I94ixdNFyh1PusWmTCyVfPJjZ1K1jvHtsbfnXQs2TSkEP2fR7QiMZAnKFQ=="
-    },
     "process-nextick-args": {
       "version": "2.0.1",
       "resolved": "https://registry.npmjs.org/process-nextick-args/-/process-nextick-args-2.0.1.tgz",
@@ -4339,6 +4734,42 @@
         }
       }
     },
+    "serialport": {
+      "version": "12.0.0",
+      "resolved": "https://registry.npmjs.org/serialport/-/serialport-12.0.0.tgz",
+      "integrity": "sha512-AmH3D9hHPFmnF/oq/rvigfiAouAKyK/TjnrkwZRYSFZxNggJxwvbAbfYrLeuvq7ktUdhuHdVdSjj852Z55R+uA==",
+      "requires": {
+        "@serialport/binding-mock": "10.2.2",
+        "@serialport/bindings-cpp": "12.0.1",
+        "@serialport/parser-byte-length": "12.0.0",
+        "@serialport/parser-cctalk": "12.0.0",
+        "@serialport/parser-delimiter": "12.0.0",
+        "@serialport/parser-inter-byte-timeout": "12.0.0",
+        "@serialport/parser-packet-length": "12.0.0",
+        "@serialport/parser-readline": "12.0.0",
+        "@serialport/parser-ready": "12.0.0",
+        "@serialport/parser-regex": "12.0.0",
+        "@serialport/parser-slip-encoder": "12.0.0",
+        "@serialport/parser-spacepacket": "12.0.0",
+        "@serialport/stream": "12.0.0",
+        "debug": "4.3.4"
+      },
+      "dependencies": {
+        "debug": {
+          "version": "4.3.4",
+          "resolved": "https://registry.npmjs.org/debug/-/debug-4.3.4.tgz",
+          "integrity": "sha512-PRWFHuSU3eDtQJPvnNY7Jcket1j0t5OuOsFzPPzsekD52Zl8qUfFIPEiswXqIvHWGVHOgX+7G/vCNNhehwxfkQ==",
+          "requires": {
+            "ms": "2.1.2"
+          }
+        },
+        "ms": {
+          "version": "2.1.2",
+          "resolved": "https://registry.npmjs.org/ms/-/ms-2.1.2.tgz",
+          "integrity": "sha512-sGkPx+VjMtmA6MX27oA4FBFELFCZZ4S4XqeGOXCv68tT+jb3vk/RyaKWP0PTKyWtmLSM0b+adUTEvbs1PEaH2w=="
+        }
+      }
+    },
     "serve-static": {
       "version": "1.15.0",
       "resolved": "https://registry.npmjs.org/serve-static/-/serve-static-1.15.0.tgz",

package.json

@@ -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_node": "./node_modules/.bin/tsc -p tsconfig.json",
-    "compile_browser" : "./node_modules/.bin/tsc -p tsconfig-browser.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",

src/camera/index.ts

@@ -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 };