/*
  main.cpp - Main loop for Arduino sketches
  Copyright (c) 2005-2013 Arduino Team.  All right reserved.

  This library is free software; you can redistribute it and/or
  modify it under the terms of the GNU Lesser General Public
  License as published by the Free Software Foundation; either
  version 2.1 of the License, or (at your option) any later version.

  This library is distributed in the hope that it will be useful,
  but WITHOUT ANY WARRANTY; without even the implied warranty of
  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
  Lesser General Public License for more details.

  You should have received a copy of the GNU Lesser General Public
  License along with this library; if not, write to the Free Software
  Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA  02110-1301  USA
*/

#include <Arduino.h>

// Declared weak in Arduino.h to allow user redefinitions.
int atexit(void ( * /*func*/)()) {
  return 0;
}

// Weak empty variant initialization function.
// May be redefined by variant files (we don't
// do that) or other libraries. FreeRTOS is one
// such library.

void initVariant() __attribute__((weak));
void initVariant() { }

// these parts don't have USB - but hey, VUSB
// has been ported to AVRxt, so you never know!

void setupUSB() __attribute__((weak));
void setupUSB() { }

int main(void)
{
  init(); //Interrupts are turned on just prior to init() returning.

  initVariant();

#if defined(USBCON)
  USBDevice.attach();
#endif

  setup();
  for (;;) {
    loop();
    #ifdef ENABLE_SERIAL_EVENT
      if (serialEventRun) serialEventRun();
    #endif
  }
  return 0;
}