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/*
 *  rhmidi
 *
 *  Copyright (C) 2014 Christian Pointner <equinox@helsinki.at>
 *
 *  This file is part of rhmidi.
 *
 *  rhmidi 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
 *  any later version.
 *
 *  rhmidi 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 rhmidi. If not, see <http://www.gnu.org/licenses/>.
 */

#include <avr/io.h>
#include <avr/wdt.h>
#include <avr/interrupt.h>
#include <avr/power.h>
#include <stdio.h>

/*
             LUFA Library
     Copyright (C) Dean Camera, 2012.

  dean [at] fourwalledcubicle [dot] com
           www.lufa-lib.org
*/
#include <LUFA/Version.h>
#include <LUFA/Drivers/USB/USB.h>
#include "lufa-descriptor-midi.h"
#include "LUFA/Drivers/Peripheral/Serial.h"

/** LUFA MIDI Class driver interface configuration and state information. This structure is
 *  passed to all MIDI Class driver functions, so that multiple instances of the same class
 *  within a device can be differentiated from one another.
 */
USB_ClassInfo_MIDI_Device_t Keyboard_MIDI_Interface =
  {
    .Config =
      {
        .StreamingInterfaceNumber = 1,

        .DataINEndpointNumber      = MIDI_STREAM_IN_EPNUM,
        .DataINEndpointSize        = MIDI_STREAM_EPSIZE,
        .DataINEndpointDoubleBank  = false,

        .DataOUTEndpointNumber     = MIDI_STREAM_OUT_EPNUM,
        .DataOUTEndpointSize       = MIDI_STREAM_EPSIZE,
        .DataOUTEndpointDoubleBank = false,
      },
  };

/** Event handler for the library USB Configuration Changed event. */
void EVENT_USB_Device_ConfigurationChanged(void)
{
  bool ConfigSuccess = true;

  ConfigSuccess &= MIDI_Device_ConfigureEndpoints(&Keyboard_MIDI_Interface);
}

/** Event handler for the library USB Control Request reception event. */
void EVENT_USB_Device_ControlRequest(void)
{
  MIDI_Device_ProcessControlRequest(&Keyboard_MIDI_Interface);
}

/* end LUFA MIDI Class driver specific definitions*/

#include "util.h"
#include "keypad.h"

int main(void)
{
  MCUSR &= ~(1 << WDRF);
  wdt_disable();

  cpu_init();
  keypad_init();

  USB_Init();
  sei();

  for(;;) {
    MIDI_EventPacket_t ReceivedMIDIEvent;
    while(MIDI_Device_ReceiveEventPacket(&Keyboard_MIDI_Interface, &ReceivedMIDIEvent)) {
          // TODO: process incoming MIDI Events
    }
    keypad_task();

        // TODO: evaluate keypad and send out MIDI Events

    MIDI_Device_USBTask(&Keyboard_MIDI_Interface);
    USB_USBTask();
  }
}