Initial push

webinterface/cotmw/serial/package.json

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+{
+  "name": "server",
+  "version": "1.0.0",
+  "main": "index.js",
+  "scripts": {
+    "test": "echo \"Error: no test specified\" && exit 1"
+  },
+  "keywords": [],
+  "author": "",
+  "license": "ISC",
+  "description": "",
+  "dependencies": {
+    "@serialport/parser-readline": "^13.0.0",
+    "cors": "^2.8.5",
+    "express": "^5.1.0",
+    "serialport": "^13.0.0"
+  },
+  "devDependencies": {
+    "nodemon": "^3.1.10"
+  }
+}

webinterface/cotmw/serial/routes/serialUtils.js

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+// server/routes/serialUtils.js
+const router = require('express').Router();
+const { listSerialPorts, connectSerial, getLatestPacket } = require('../serial');
+
+router.get('/serialports', async (req, res) => {
+    try {
+        const ports = await listSerialPorts();
+        res.json(ports);
+    } catch (err) {
+        console.error('Error listing ports:', err);
+        res.status(500).json({ error: 'Could not list serial ports' });
+    }
+});
+
+router.get('/latest', (req, res) => {
+    const payload = getLatestPacket();
+    if (!payload) {
+        return res.status(204).end();  // No Content
+    }
+    res.json(payload);
+});
+
+router.post('/connect', (req, res) => {
+    const { path } = req.body;
+    if (!path) {
+        return res.status(400).json({ error: 'Path is required' });
+    }
+
+    try {
+        connectSerial(path);
+        res.json({
+            ok: true,
+            connectedTo: path,
+            baudRate: 115200
+        });
+    } catch (err) {
+        console.error('Failed to connect:', err);
+        res.status(500).json({ error: 'Could not open serial port' });
+    }
+});
+
+module.exports = router;

webinterface/cotmw/serial/serial.js

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+// server/serial.js
+const { SerialPort } = require('serialport');
+const { ReadlineParser } = require('@serialport/parser-readline');
+
+let portInstance = null;
+let parser       = null;
+let latestPayload = null;
+let latestImage = null;
+
+function connectSerial(path) {
+    if (portInstance?.isOpen) portInstance.close();
+
+    portInstance = new SerialPort({ path: path, baudRate: 115200 });
+    parser = portInstance.pipe(new ReadlineParser({ delimiter: '\n' }));
+    parser.on('data', line => {
+        if(line.includes("image")){
+            if(latestImage != null && !latestImage.endsWith("}"))
+                latestImage += line.trim().replace("\n", "");
+            else
+                latestImage = line.trim().replace("\n", "");
+            console.log(latestImage)
+        }
+        else if (line.includes("text")){
+            console.log(latestPayload)
+            latestPayload = line.trim();
+        }
+    });
+    portInstance.on('error', console.error);
+}
+
+function listSerialPorts() {
+    return SerialPort.list();
+}
+
+function getLatestPacket() {
+    return [latestPayload, latestImage];
+}
+
+module.exports = { connectSerial, listSerialPorts, getLatestPacket };

webinterface/cotmw/serial/server.js

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+const express = require('express');
+const cors    = require('cors');
+const path    = require('path');
+const serialRouter = require('./routes/serialUtils');
+
+const app = express();
+app.use(cors());
+app.use(express.json());
+
+app.use('/api/serial-utils', serialRouter);
+app.listen(6666, () => console.log('running on port 6666'));