import processing.serial.*;

Serial myPort;    
int lposx, lposy;
int pos=90;
void setup() {
  size(260, 20);    
  noStroke();
  printArray(Serial.list());
  String portName = Serial.list()[1];
  myPort = new Serial(this, portName, 9600);
  frameRate(60);
}

void draw()
{ background(0);
  ellipse(lposx, lposy, 20, 20);
}

void mousePressed()
{
  ellipse(mouseX, mouseY, 20, 20);
  lposx=mouseX;
  lposy=mouseY;
  pos = (int)map(lposx, 0, 260, 97, 122);
  for (int i=0; i<3; ++i)
  {
    myPort.write((char)pos);
    println((char)pos);
  }
}