USBH_MIDI send MIDI message sample

gistfile1.cpp

/*
 *******************************************************************************
 * USB-MIDI to Legacy Serial MIDI converter
 * Copyright 2012 Yuuichi Akagawa
 *
 * Idea from LPK25 USB-MIDI to Serial MIDI converter
 *   by Collin Cunningham - makezine.com, narbotic.com
 *
 * for use with USB Host Shield 2.0 from Circuitsathome.com
 * https://github.com/felis/USB_Host_Shield_2.0
 *******************************************************************************
 * 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 2 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/>
 *******************************************************************************
 */

#include <Usb.h>
#include <usbh_midi.h>

USB  Usb;
MIDI  Midi(&Usb);

void setup()
{
  //Workaround for non UHS2.0 Shield 
  pinMode(7,OUTPUT);
  digitalWrite(7,HIGH);

  if (Usb.Init() == -1) {
    while(1); //halt
  }//if (Usb.Init() == -1...
  delay( 200 );
}

void loop()
{
  Usb.Task();
  if( Usb.getUsbTaskState() == USB_STATE_RUNNING )
  {
      Midi.SendData((uint8_t*)"\x80\x01\x01");  //08-80-01-01
      delay(1);
      Midi.SendData((uint8_t*)"\x90\x01\x7f");  //09-90-01-7F
      delay(1);
      Midi.SendData((uint8_t*)"\xa0\x01\x40");  //0A-A0-01-40
      delay(1);
      Midi.SendData((uint8_t*)"\xb0\x01\x40");  //0B-B0-01-40
      delay(1);
      Midi.SendData((uint8_t*)"\xc0\x02");      //0C-C0-02-00
      delay(1);
      Midi.SendData((uint8_t*)"\xd0\x03");      //0D-D0-02-00
      delay(1);
      Midi.SendData((uint8_t*)"\xe0\x01\x30");  //0E-E0-01-30
      delay(1);
      Midi.SendData((uint8_t*)"\xf1\x04");      //02-F1-04-00
      delay(1);
      Midi.SendData((uint8_t*)"\xf2\x12\x34");  //03-F2-12-34
      delay(1);
      Midi.SendData((uint8_t*)"\xf3\x05");      //02-F3-05-00
      delay(1);
      Midi.SendData((uint8_t*)"\xf8");          //0F-F8-00-00
      delay(1);
      Midi.SendData((uint8_t*)"\xf9");          //0F-F9-00-00
      delay(1);
      Midi.SendData((uint8_t*)"\xfa");          //0F-FA-00-00
      delay(1);
      Midi.SendData((uint8_t*)"\xfb");          //0F-FB-00-00
      delay(1);
      Midi.SendData((uint8_t*)"\xfc");          //0F-FC-00-00
      delay(1);
      Midi.SendData((uint8_t*)"\xfe");          //0F-FE-00-00
      delay(1);
      Midi.SendData((uint8_t*)"\xff");          //0F-FF-00-00
      delay(1);
      Midi.SendData((uint8_t*)"\xf0\x00\x01\xf7");          //04-F0-00-01, 05-F7-00-00
      delay(1);
      Midi.SendData((uint8_t*)"\xf0\x00\x01\x02\xf7");      //04-F0-00-01, 06-02-F7-00
      delay(1);
      Midi.SendData((uint8_t*)"\xf0\x00\x01\x02\x03\xf7");  //04-F0-00-01, 07-02-03-F7
      delay(1);
      Midi.SendData((uint8_t*)"\xf0\x34\xf7");              //07-F7-34-F7
      delay(1);
      //halt
      while(1);
  }
}

Sir, Thanks for this. When I try to compile this code, I get the following error "error: 'MIDI' does not name a type". at this line "MIDI Midi(&Usb);". Any reason / what libraries that I need to include. I have already included #include <Usb.h> and #include <usbh_midi.h>