let latestData = "waiting for data";

​

function setup() {

 createCanvas(400,400);

​

 serial = new p5.SerialPort();

​

 serial.list();

​

 serial.on('connected', serverConnected);

​

 serial.on('list', gotList);

​

 serial.on('data', gotData);

​

 serial.on('error', gotError);

​

 serial.on('open', gotOpen);

​

 serial.on('close', gotClose);

 serial.open('COM7', {baudRate: 19200}  );

}

​

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 currentString = serial.readLine();

  trim(currentString);

 if (!currentString) return;

 console.log(currentString);

 latestData = currentString;

}

​

function draw() {

    // graphData(inData);

  background(0);

  fill(255);

  text("sensor value: " + latestData, 30, 30);

}

​

function keyPressed(){

  if(keyCode==RETURN){

   serial.open('COM7', {baudRate: 19200}    );

  }

  else{

    serial.close('COM7'); 

  }

}

​

​

function mouseClicked() {

  serial.write('\n');

  // for(let i=0;i<255;i++){  

  //   serial.write(i);

  //   serial.write(10);

  // }

  print('wrote that shit')

}

​