let micVal = 0;

​

function setup() {

  createCanvas(900, 600);

  textSize(18);

}

​

function draw() {

background(255)

  if (!serialActive) {

    text("Press Space Bar to select Serial Port", 20, 30);

  } else {

    fill(0);

    text("Connected", 20, 30);

    text("Mic", 20, 50);

    text(micVal, 100, 50);

    text("Force", 20, 70);

    text(fVal, 100, 70);

    background(255);

​

  // map the fVal variable to the height of the canvas

  let y = map(fVal, 0, 1023, height-50, 50);

​

​

  // draw the graph

  stroke(0);

    fill("pink");

    circle(width/2, y, 50);

  }

}

​

​

function keyPressed() {

  if (key == " ") {

    setUpSerial();

  }

}

​

function readSerial(data) {

  ////////////////////////////////////

  //READ FROM ARDUINO HERE

  ////////////////////////////////////

​

  if (data != null) {

    let fromArduino = split(trim(data), ",");

    // if the right length, then proceed

    if (fromArduino.length == 2) {

      micVal = fromArduino[0];

      fVal = fromArduino[1];

    }

​

    //////////////////////////////////

    //SEND TO ARDUINO HERE (handshake)

    //////////////////////////////////

    let sendToArduino = "0,0\n";

    writeSerial(sendToArduino);

  }

}

​