blink

app.js

@@ -10,6 +10,8 @@ var port = 8000;
 const { SerialPort } = require('serialport')
 const { ReadlineParser } = require('@serialport/parser-readline')
 const sport = new SerialPort({ path: '/dev/ttyACM0', baudRate: 115200 })
+const five = require('johnny-five');
+const board = new five.Board();
 
 const parser = sport.pipe(new ReadlineParser({ delimiter: '\r\n' }))
 parser.on('data', console.log)
@@ -20,7 +22,27 @@ server.listen(port, () => {
 
 app.use(express.static(path.join(__dirname, "public")));
 
+board.on('ready', function() {
+    const led = new five.Led(13); // Assuming LED connected to GPIO 13 (D13)
   
+    // Emit 'blink' event to clients when the LED turns on
+    led.on('on', function() {
+      io.emit('blink');
+    });
+  
+    // Emit 'stop' event to clients when the LED turns off
+    led.on('off', function() {
+      io.emit('stop');
+    });
+  
+    // Function to blink the LED
+    function blinkLed() {
+      led.blink(500); // Blink every 500 milliseconds
+    }
+  
+    // Start blinking the LED
+    blinkLed();
+  });
 // var server = http.createServer(function(req, res){
 
 //     res.writeHead(200, {'Content-Type':'text/html'});
@@ -42,7 +64,7 @@ io.on('connection', function(socket){
     console.log('Node.js is listening!!');
     socket.on("hello", (arg, callback) => {
     console.log("hellohelo"); // "world"
-    io.emit('world');
+    io.emit('blink');
 
     }); 
 

package.json

@@ -18,9 +18,10 @@
   "homepage": "https://github.com/louisafriederike/xpub_prototype_citynet#readme",
   "dependencies": {
     "express": "^4.18.1",
+    "johnny-five": "^2.1.0",
     "package.js": "^1.1.3",
     "package.json": "^2.0.1",
     "serialport": "^10.4.0",
-    "socket.io": "^4.5.0"
+    "socket.io": "^4.6.2"
   }
 }