void setup() {
  Serial.begin(9600);
}

void loop() {  
  Serial.print(analogRead(0));
  Serial.print(",");
  Serial.println(analogRead(1));
}  

import ddf.minim.*;
import ddf.minim.ugens.*;
import processing.serial.*;
import ddf.minim.effects.*;

int x, y;

Minim minim;
AudioOutput out;
Oscil osc;
IIRFilter filt;



Serial myPort;  // Create object from Serial class
StringBuffer serialBytes  = new StringBuffer(); // used decoding number coming via Serial connection
int serialTimer; // Used to test a time-out of input data coming in Serial connection

color col;     

void setup() {
  size(500,500);
  x = 200;
  y = 250;  

  String ports [] = Serial.list(); 
  println(ports);
  String portName = ports[ports.length-1];
  myPort = new Serial(this, portName, 9600);
  myPort.bufferUntil(10);

  minim = new Minim(this);
  out = minim.getLineOut();
  osc = new Oscil( 440, 0.5f, Waves.SAW );
  filt = new BandPass(880, 20, out.sampleRate());
  //filt = new NotchFilter(440, 20, out.sampleRate());
  osc.patch(filt).patch(out);
}

static int bufferSize = 10;
String getSerialLine(Serial port) {
  int lf = 10;
  String lfs = Character.toString((char)lf);
  byte[] inBuffer = new byte[bufferSize];
  port.readBytesUntil(lf, inBuffer);
  for (int i=0;i<bufferSize;i++) { print( "("+inBuffer[i]+") "); }
  println();
  String s = new String(inBuffer);
  s = s.split(lfs)[0];
  s = s.replace("\n","").replace("\r","").replace(" ","");
  println(s);
  return s;
}



void draw() {
  background(0);  
  fill(100,200,255);
  ellipse(x,y,50,50);
  
  osc.setFrequency( 1500 - (y * 3) );
  filt.setFreq(500 - (x*4));  
}

void mouseClicked() {
  y = mouseY;
}

void serialEvent(Serial p) { 
  String s = p.readString();
  s = s.replace("\n","").replace("\r","").replace(" ","");
  if (s.length() > 1) {
    println("***"+s+"+++" + s.length() + " :");

    String[] vals =s.split(",");

    int l1 =(int)(Integer.parseInt(vals[0]));    
    y=(int)map(l1,50,300,0,500);
    int l2 =(int)(Integer.parseInt(vals[1]));
    x=(int)map(l2,50,300,0,500);
  } 
}