//Serial

let portAddr = "/dev/tty.usbmodem144201";

let lastData;

let avgData = 200;

​

function serverConnected() {

  print("Connected to Server");

}

​

function gotList(thelist) {

  print("List of Serial Ports:");

​

  for (let i = 0; i < thelist.length; i++) {

    print(i + " " + thelist[i]);

  }

}

​

function gotOpen() {

  print("Serial Port is Open");

}

​

function gotClose() {

  print("Serial Port is Closed");

  latestData = "Serial Port is Closed";

}

​

function gotError(theerror) {

  print(theerror);

}

​

function gotData() {

  let serialData = serial.readLine();

  if (serialData > 0) {

    let diff = serialData - avgData;

    avgData += diff * 0.08;

    console.log(avgData + ", " + serialData + ".");

  }

​

  //do stuff

}

​

//---------------

//Rendering

​

function setup() {

  createCanvas(windowWidth, windowHeight);

​

  serial = new p5.SerialPort();

​

  serial.list();

  serial.open(portAddr);

​

  serial.on("connected", serverConnected);

​

  serial.on("list", gotList);

​

  serial.on("data", gotData);

​

  serial.on("error", gotError);

​

  serial.on("open", gotOpen);

​

  serial.on("close", gotClose);

}

​

function draw() {

  background("black");

  textSize(40);

  fill("white");

​

  if (avgData > 300) {

    text("Far", 20, 30);

  } else if (avgData <= 300) {

    text("Near", 20, 30);

  } else {

    text("something wrong", 20, 30);

  }

  //draw loop

}

​