text: #ifndef _CONFIG_H_
  #define _CONFIG_H_
  
  #include "Arduino.h"
  #include "BarLib.h"
  
  BarClass BarObject;
  
  const int loopDelay = 1000;
  
  int addFunctionReference(int a, int b, Stream & port){
  	int sum = a + b;
  	port.print("sum = ");
  	port.println(sum);
  	return a + b;
  }
  
  int addFunctionPointer(int a, int b, Stream * port){
  	int sum = a + b;
  	port->print("sum = ");
  	port->println(sum);
  	return a + b;
  }
  
  #endif
  
  