let video;

let recording = false;

​

function setup() {

  createCanvas(640, 480);

  video = createCapture(VIDEO);

  video.size(320, 240);

  video.hide();

  // Add a button to connect to Arduino

  let connectButton = createButton("Connect Arduino");

  connectButton.mousePressed(connectArduino);

}

​

async function connectArduino() {

  try {

    const port = await navigator.serial.requestPort();

    serial = new Serial(port);

    serial.onReceive = serialEvent;

    serial.open();

  } catch (error) {

    console.error('Error connecting to Arduino:', error);

  }

}

​

async function serialEvent(event) {

  const reader = event.target.readable.getReader();

  try {

    while (true) {

      const { value, done } = await reader.read();

      if (done) break;

      let data = new TextDecoder().decode(value);

      let parts = data.split(':');

      let command = parts[0];

      value = parts[1];

      if (command === 'START' && !recording) {

        startRecording();

      } else if (command === 'STOP' && recording) {

        stopRecording();

      }

    }

  } catch (error) {

    console.error('Error reading serial data:', error);

  } finally {

    reader.releaseLock();

  }

}

​

function draw() {

  background(255);

  image(video, 0, 0);

}

​

function startRecording() {

  console.log("Recording started");

  recording = true;

  // Implement recording logic here

}

​

function stopRecording() {

  console.log("Recording stopped");

  recording = false;

  // Implement stop recording logic here

}

​

​

​