import processing.serial.*;

Serial myPort;  // Create object from Serial class
int lf=10;
String inString="0,0";  // Input string from serial port
int dataSensor;
int MapSensor;


void setup() 
{
  size(500, 300);
  myPort = new Serial(this, "/dev/ttyUSB0", 9600);
  myPort.bufferUntil(lf);

}

void serialEvent(Serial myPort) {
  inString = (myPort.readString());
  inString=trim(inString);

}

void draw()
{
  background(0);
  text("received: " + inString, 1, 220);
  String[] list = split(inString, ',');   
  text("length: " + list.length, 1, 250);  
  text("channel1: " + list[0], 1, 30);
  text("chanell2: " + list[1], 1, 110);  
  // print slidebar 
  fill(0, 255, 0);
  dataSensor=int(trim(list[0]));
  MapSensor= (int)map(dataSensor, 0, 1023, 2, 300);
  rect(100, 20, MapSensor, 25);
  
  dataSensor=int(trim(list[1]));
  MapSensor= (int)map(dataSensor, 0, 1023, 2, 300);
  rect(100, 100, MapSensor, 25);
  
}





-------------------------------------------------------------------
==================================================================

const int analogInCh1 = A10;  
const int analogInCh2 = A11;  
int sensorCh1 = 0;        // value read from the pot
int sensorCh2 = 0;        // value read from the pot
char string[20];

void setup() {
  Serial1.begin(9600); 
}

void loop() {
  sensorCh1 = analogRead(analogInCh1);     
  sensorCh2 = analogRead(analogInCh2);  
  sprintf(string,"%d,%d", sensorCh1,sensorCh2);
  Serial1.println(string); 
  sprintf(string,"sensor1: %4d", sensorCh1);
  sprintf(string,"sensor2: %4d", sensorCh2);
   
  delay(10);  
}