Capacitive Sensor, Arduino Code

// code patched together from examples
// by Les Hall
// started Wed May 20 2015
//


#include <CapacitiveSensor.h>


CapacitiveSensor   cs1 = CapacitiveSensor(4,3);
CapacitiveSensor   cs2 = CapacitiveSensor(4,5);


int inByte = 0;  // incoming serial byte
long total1;  // Capacitance sense value
long total2;  // Capacitance sense value


void setup()
{
  //cs1.set_CS_AutocaL_Millis(0xFFFFFFFF);     // turn off autocalibrate on channel 1 - just as an example
  pinMode(9, OUTPUT);
  Serial.begin(9600);
  establishContact();  // send a byte to establish contact until receiver responds
}

void loop()
{
  IO();
  // if we get a valid byte, transmit:
  if (Serial.available() > 0) {
    // get incoming byte:
    inByte = Serial.read();
    delay(10);
    Serial.print(total1);
    Serial.print(",");
    Serial.println(total2);
  }
}


void establishContact() {
  while (Serial.available() <= 0) {
    Serial.println("0,0");   // send an initial string
    IO();
    delay(300);
  }
}


void IO()
{
  // read the analog inputs:
  total1 =  cs1.capacitiveSensor(1000);
  total2 =  cs2.capacitiveSensor(1000);
  tone(9, total1);
}