Rack/plugins/community/repos/AudibleInstruments/eurorack/avrlib/i2c/i2c.cc

// Copyright 2010 Olivier Gillet.
//
// Author: Olivier Gillet (ol.gillet@gmail.com)
//
// This program is free software: you can redistribute it and/or modify
// it under the terms of the GNU General Public License as published by
// the Free Software Foundation, either version 3 of the License, or
// (at your option) any later version.
// This program 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 General Public License for more details.
// You should have received a copy of the GNU General Public License
// along with this program.  If not, see <http://www.gnu.org/licenses/>.
//
// -----------------------------------------------------------------------------
//
// Interrupt handler for I2C.

#include "avrlib/i2c/i2c.h"

#include <avr/interrupt.h>

#include "avrlib/gpio.h"

using namespace avrlib;

/* static, extern */
void (*avrlib::i2c_handler_)() = 0;

ISR(TWI_vect) {
  if (i2c_handler_) {
    (*i2c_handler_)();
  }
}