/*****************************
 * Getting max analog values
 * 
 * @author Florent Lemaire
 *
 *****************************/
 
// define the analog sensor interface
int xPin = A3;
int yPin = A4;
int button = 3;

FILE serial_stdout; //for quicker stdout instead of many serial.print and println

// Function that printf and related will use to print
int serial_putchar(char c, FILE* f) {
    if (c == '\n') serial_putchar('\r', f);
    return Serial.write(c) == 1? 0 : 1;
}

void setup ()
{
  Serial.begin(9600); // initialize serial communication at 9600 bits per second:
  // define inputs
  pinMode (xPin, INPUT); 
  pinMode (yPin, INPUT);
  pinMode (button, INPUT);

  // Set up stdout
  fdev_setup_stream(&serial_stdout, serial_putchar, NULL, _FDEV_SETUP_WRITE);
  stdout = &serial_stdout;
}
void loop ()
{
  delay(20);
  printf("X: %d, Y: %d, Button pressed: %s\n", analogRead(xPin), analogRead(yPin), digitalRead(button)? "YES" : "NO");
}