midi

13 files changed, 2432 insertions, 0 deletions

diff --git a/keyboard/planck/Config/LUFAConfig.h b/keyboard/planck/Config/LUFAConfig.h
new file mode 100755
index 0000000000..fa9404498f
--- /dev/null
+++ b/keyboard/planck/Config/LUFAConfig.h
@@ -0,0 +1,93 @@
+/*

+             LUFA Library

+     Copyright (C) Dean Camera, 2012.

+

+  dean [at] fourwalledcubicle [dot] com

+           www.lufa-lib.org

+*/

+

+/*

+  Copyright 2012  Dean Camera (dean [at] fourwalledcubicle [dot] com)

+

+  Permission to use, copy, modify, distribute, and sell this

+  software and its documentation for any purpose is hereby granted

+  without fee, provided that the above copyright notice appear in

+  all copies and that both that the copyright notice and this

+  permission notice and warranty disclaimer appear in supporting

+  documentation, and that the name of the author not be used in

+  advertising or publicity pertaining to distribution of the

+  software without specific, written prior permission.

+

+  The author disclaim all warranties with regard to this

+  software, including all implied warranties of merchantability

+  and fitness.  In no event shall the author be liable for any

+  special, indirect or consequential damages or any damages

+  whatsoever resulting from loss of use, data or profits, whether

+  in an action of contract, negligence or other tortious action,

+  arising out of or in connection with the use or performance of

+  this software.

+*/

+

+/** \file

+ *  \brief LUFA Library Configuration Header File

+ *

+ *  This header file is used to configure LUFA's compile time options,

+ *  as an alternative to the compile time constants supplied through

+ *  a makefile.

+ *

+ *  For information on what each token does, refer to the LUFA

+ *  manual section "Summary of Compile Tokens".

+ */

+

+#ifndef _LUFA_CONFIG_H_

+#define _LUFA_CONFIG_H_

+

+	#if (ARCH == ARCH_AVR8)

+

+		/* Non-USB Related Configuration Tokens: */

+//		#define DISABLE_TERMINAL_CODES

+

+		/* USB Class Driver Related Tokens: */

+//		#define HID_HOST_BOOT_PROTOCOL_ONLY

+//		#define HID_STATETABLE_STACK_DEPTH       {Insert Value Here}

+//		#define HID_USAGE_STACK_DEPTH            {Insert Value Here}

+//		#define HID_MAX_COLLECTIONS              {Insert Value Here}

+//		#define HID_MAX_REPORTITEMS              {Insert Value Here}

+//		#define HID_MAX_REPORT_IDS               {Insert Value Here}

+//		#define NO_CLASS_DRIVER_AUTOFLUSH

+

+		/* General USB Driver Related Tokens: */

+//		#define ORDERED_EP_CONFIG

+		#define USE_STATIC_OPTIONS               (USB_DEVICE_OPT_FULLSPEED | USB_OPT_REG_ENABLED | USB_OPT_AUTO_PLL)

+		#define USB_DEVICE_ONLY

+//		#define USB_HOST_ONLY

+//		#define USB_STREAM_TIMEOUT_MS            {Insert Value Here}

+//		#define NO_LIMITED_CONTROLLER_CONNECT

+//		#define NO_SOF_EVENTS

+

+		/* USB Device Mode Driver Related Tokens: */

+//		#define USE_RAM_DESCRIPTORS

+		#define USE_FLASH_DESCRIPTORS

+//		#define USE_EEPROM_DESCRIPTORS

+//		#define NO_INTERNAL_SERIAL

+		#define FIXED_CONTROL_ENDPOINT_SIZE      8

+//		#define DEVICE_STATE_AS_GPIOR            {Insert Value Here}

+		#define FIXED_NUM_CONFIGURATIONS         1

+//		#define CONTROL_ONLY_DEVICE

+//		#define INTERRUPT_CONTROL_ENDPOINT

+//		#define NO_DEVICE_REMOTE_WAKEUP

+//		#define NO_DEVICE_SELF_POWER

+

+		/* USB Host Mode Driver Related Tokens: */

+//		#define HOST_STATE_AS_GPIOR              {Insert Value Here}

+//		#define USB_HOST_TIMEOUT_MS              {Insert Value Here}

+//		#define HOST_DEVICE_SETTLE_DELAY_MS	     {Insert Value Here}

+//      #define NO_AUTO_VBUS_MANAGEMENT

+//      #define INVERTED_VBUS_ENABLE_LINE

+

+	#else

+

+		#error Unsupported architecture for this LUFA configuration file.

+

+	#endif

+#endif

diff --git a/protocol/lufa/midi/bytequeue/COPYING b/protocol/lufa/midi/bytequeue/COPYING
new file mode 100755
index 0000000000..94a9ed024d
--- /dev/null
+++ b/protocol/lufa/midi/bytequeue/COPYING
@@ -0,0 +1,674 @@
+                    GNU GENERAL PUBLIC LICENSE
+                       Version 3, 29 June 2007
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+consistent with the requirements of this License, to extend the patent
+license to downstream recipients.  "Knowingly relying" means you have
+actual knowledge that, but for the patent license, your conveying the
+covered work in a country, or your recipient's use of the covered work
+in a country, would infringe one or more identifiable patents in that
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+
+  If, pursuant to or in connection with a single transaction or
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+you grant is automatically extended to all recipients of the covered
+work and works based on it.
+
+  A patent license is "discriminatory" if it does not include within
+the scope of its coverage, prohibits the exercise of, or is
+conditioned on the non-exercise of one or more of the rights that are
+specifically granted under this License.  You may not convey a covered
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+conveyed by you (or copies made from those copies), or (b) primarily
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+or that patent license was granted, prior to 28 March 2007.
+
+  Nothing in this License shall be construed as excluding or limiting
+any implied license or other defenses to infringement that may
+otherwise be available to you under applicable patent law.
+
+  12. No Surrender of Others' Freedom.
+
+  If conditions are imposed on you (whether by court order, agreement or
+otherwise) that contradict the conditions of this License, they do not
+excuse you from the conditions of this License.  If you cannot convey a
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+not convey it at all.  For example, if you agree to terms that obligate you
+to collect a royalty for further conveying from those to whom you convey
+the Program, the only way you could satisfy both those terms and this
+License would be to refrain entirely from conveying the Program.
+
+  13. Use with the GNU Affero General Public License.
+
+  Notwithstanding any other provision of this License, you have
+permission to link or combine any covered work with a work licensed
+under version 3 of the GNU Affero General Public License into a single
+combined work, and to convey the resulting work.  The terms of this
+License will continue to apply to the part which is the covered work,
+but the special requirements of the GNU Affero General Public License,
+section 13, concerning interaction through a network will apply to the
+combination as such.
+
+  14. Revised Versions of this License.
+
+  The Free Software Foundation may publish revised and/or new versions of
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+be similar in spirit to the present version, but may differ in detail to
+address new problems or concerns.
+
+  Each version is given a distinguishing version number.  If the
+Program specifies that a certain numbered version of the GNU General
+Public License "or any later version" applies to it, you have the
+option of following the terms and conditions either of that numbered
+version or of any later version published by the Free Software
+Foundation.  If the Program does not specify a version number of the
+GNU General Public License, you may choose any version ever published
+by the Free Software Foundation.
+
+  If the Program specifies that a proxy can decide which future
+versions of the GNU General Public License can be used, that proxy's
+public statement of acceptance of a version permanently authorizes you
+to choose that version for the Program.
+
+  Later license versions may give you additional or different
+permissions.  However, no additional obligations are imposed on any
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+later version.
+
+  15. Disclaimer of Warranty.
+
+  THERE IS NO WARRANTY FOR THE PROGRAM, TO THE EXTENT PERMITTED BY
+APPLICABLE LAW.  EXCEPT WHEN OTHERWISE STATED IN WRITING THE COPYRIGHT
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+IS WITH YOU.  SHOULD THE PROGRAM PROVE DEFECTIVE, YOU ASSUME THE COST OF
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+  16. Limitation of Liability.
+
+  IN NO EVENT UNLESS REQUIRED BY APPLICABLE LAW OR AGREED TO IN WRITING
+WILL ANY COPYRIGHT HOLDER, OR ANY OTHER PARTY WHO MODIFIES AND/OR CONVEYS
+THE PROGRAM AS PERMITTED ABOVE, BE LIABLE TO YOU FOR DAMAGES, INCLUDING ANY
+GENERAL, SPECIAL, INCIDENTAL OR CONSEQUENTIAL DAMAGES ARISING OUT OF THE
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+DATA OR DATA BEING RENDERED INACCURATE OR LOSSES SUSTAINED BY YOU OR THIRD
+PARTIES OR A FAILURE OF THE PROGRAM TO OPERATE WITH ANY OTHER PROGRAMS),
+EVEN IF SUCH HOLDER OR OTHER PARTY HAS BEEN ADVISED OF THE POSSIBILITY OF
+SUCH DAMAGES.
+
+  17. Interpretation of Sections 15 and 16.
+
+  If the disclaimer of warranty and limitation of liability provided
+above cannot be given local legal effect according to their terms,
+reviewing courts shall apply local law that most closely approximates
+an absolute waiver of all civil liability in connection with the
+Program, unless a warranty or assumption of liability accompanies a
+copy of the Program in return for a fee.
+
+                     END OF TERMS AND CONDITIONS
+
+            How to Apply These Terms to Your New Programs
+
+  If you develop a new program, and you want it to be of the greatest
+possible use to the public, the best way to achieve this is to make it
+free software which everyone can redistribute and change under these terms.
+
+  To do so, attach the following notices to the program.  It is safest
+to attach them to the start of each source file to most effectively
+state the exclusion of warranty; and each file should have at least
+the "copyright" line and a pointer to where the full notice is found.
+
+    <one line to give the program's name and a brief idea of what it does.>
+    Copyright (C) <year>  <name of author>
+
+    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/>.
+
+Also add information on how to contact you by electronic and paper mail.
+
+  If the program does terminal interaction, make it output a short
+notice like this when it starts in an interactive mode:
+
+    <program>  Copyright (C) <year>  <name of author>
+    This program comes with ABSOLUTELY NO WARRANTY; for details type `show w'.
+    This is free software, and you are welcome to redistribute it
+    under certain conditions; type `show c' for details.
+
+The hypothetical commands `show w' and `show c' should show the appropriate
+parts of the General Public License.  Of course, your program's commands
+might be different; for a GUI interface, you would use an "about box".
+
+  You should also get your employer (if you work as a programmer) or school,
+if any, to sign a "copyright disclaimer" for the program, if necessary.
+For more information on this, and how to apply and follow the GNU GPL, see
+<http://www.gnu.org/licenses/>.
+
+  The GNU General Public License does not permit incorporating your program
+into proprietary programs.  If your program is a subroutine library, you
+may consider it more useful to permit linking proprietary applications with
+the library.  If this is what you want to do, use the GNU Lesser General
+Public License instead of this License.  But first, please read
+<http://www.gnu.org/philosophy/why-not-lgpl.html>.
diff --git a/protocol/lufa/midi/bytequeue/bytequeue.c b/protocol/lufa/midi/bytequeue/bytequeue.c
new file mode 100755
index 0000000000..e434956328
--- /dev/null
+++ b/protocol/lufa/midi/bytequeue/bytequeue.c
@@ -0,0 +1,65 @@
+//this is a single reader [maybe multiple writer?] byte queue
+//Copyright 2008 Alex Norman
+//writen by Alex Norman 
+//
+//This file is part of avr-bytequeue.
+//
+//avr-bytequeue 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.
+//
+//avr-bytequeue 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 avr-bytequeue.  If not, see <http://www.gnu.org/licenses/>.
+
+#include "bytequeue.h"
+#include "interrupt_setting.h"
+
+void bytequeue_init(byteQueue_t * queue, uint8_t * dataArray, byteQueueIndex_t arrayLen){
+   queue->length = arrayLen;
+   queue->data = dataArray;
+   queue->start = queue->end = 0;
+}
+
+bool bytequeue_enqueue(byteQueue_t * queue, uint8_t item){
+   interrupt_setting_t setting = store_and_clear_interrupt();
+   //full
+   if(((queue->end + 1) % queue->length) == queue->start){
+      restore_interrupt_setting(setting);
+      return false;
+   } else {
+      queue->data[queue->end] = item;
+      queue->end = (queue->end + 1) % queue->length;
+      restore_interrupt_setting(setting);
+      return true;
+   }
+}
+
+byteQueueIndex_t bytequeue_length(byteQueue_t * queue){
+   byteQueueIndex_t len;
+   interrupt_setting_t setting = store_and_clear_interrupt();
+   if(queue->end >= queue->start)
+      len = queue->end - queue->start;
+   else
+      len = (queue->length - queue->start) + queue->end;
+   restore_interrupt_setting(setting);
+   return len;
+}
+
+//we don't need to avoid interrupts if there is only one reader
+uint8_t bytequeue_get(byteQueue_t * queue, byteQueueIndex_t index){
+   return queue->data[(queue->start + index) % queue->length];
+}
+
+//we just update the start index to remove elements
+void bytequeue_remove(byteQueue_t * queue, byteQueueIndex_t numToRemove){
+   interrupt_setting_t setting = store_and_clear_interrupt();
+   queue->start = (queue->start + numToRemove) % queue->length;
+   restore_interrupt_setting(setting);
+}
+
diff --git a/protocol/lufa/midi/bytequeue/bytequeue.h b/protocol/lufa/midi/bytequeue/bytequeue.h
new file mode 100755
index 0000000000..e4a286134f
--- /dev/null
+++ b/protocol/lufa/midi/bytequeue/bytequeue.h
@@ -0,0 +1,59 @@
+//this is a single reader [maybe multiple writer?] byte queue
+//Copyright 2008 Alex Norman
+//writen by Alex Norman 
+//
+//This file is part of avr-bytequeue.
+//
+//avr-bytequeue 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.
+//
+//avr-bytequeue 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 avr-bytequeue.  If not, see <http://www.gnu.org/licenses/>.
+
+#ifndef BYTEQUEUE_H
+#define BYTEQUEUE_H
+
+#ifdef __cplusplus
+extern "C" {
+#endif 
+
+#include <inttypes.h>
+#include <stdbool.h>
+
+typedef uint8_t byteQueueIndex_t;
+
+typedef struct {
+	byteQueueIndex_t start;
+	byteQueueIndex_t end;
+	byteQueueIndex_t length;
+	uint8_t * data;
+} byteQueue_t;
+
+//you must have a queue, an array of data which the queue will use, and the length of that array
+void bytequeue_init(byteQueue_t * queue, uint8_t * dataArray, byteQueueIndex_t arrayLen);
+
+//add an item to the queue, returns false if the queue is full
+bool bytequeue_enqueue(byteQueue_t * queue, uint8_t item);
+
+//get the length of the queue
+byteQueueIndex_t bytequeue_length(byteQueue_t * queue);
+
+//this grabs data at the index given [starting at queue->start]
+uint8_t bytequeue_get(byteQueue_t * queue, byteQueueIndex_t index);
+
+//update the index in the queue to reflect data that has been dealt with 
+void bytequeue_remove(byteQueue_t * queue, byteQueueIndex_t numToRemove);
+
+#ifdef __cplusplus
+}
+#endif 
+
+#endif
+
diff --git a/protocol/lufa/midi/bytequeue/interrupt_setting.c b/protocol/lufa/midi/bytequeue/interrupt_setting.c
new file mode 100755
index 0000000000..eafef527c0
--- /dev/null
+++ b/protocol/lufa/midi/bytequeue/interrupt_setting.c
@@ -0,0 +1,36 @@
+//Copyright 20010 Alex Norman
+//writen by Alex Norman 
+//
+//This file is part of avr-bytequeue.
+//
+//avr-bytequeue 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.
+//
+//avr-bytequeue 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 avr-bytequeue.  If not, see <http://www.gnu.org/licenses/>.
+
+
+//AVR specific code
+//should be able to port to other systems by simply providing chip specific
+//implementations of the typedef and these functions
+
+#include "interrupt_setting.h"
+#include <avr/interrupt.h>
+
+interrupt_setting_t store_and_clear_interrupt(void) {
+   uint8_t sreg = SREG;
+   cli();
+   return sreg;
+}
+
+void restore_interrupt_setting(interrupt_setting_t setting) {
+   SREG = setting;
+}
+
diff --git a/protocol/lufa/midi/bytequeue/interrupt_setting.h b/protocol/lufa/midi/bytequeue/interrupt_setting.h
new file mode 100755
index 0000000000..053d02c9d0
--- /dev/null
+++ b/protocol/lufa/midi/bytequeue/interrupt_setting.h
@@ -0,0 +1,39 @@
+//Copyright 20010 Alex Norman
+//writen by Alex Norman 
+//
+//This file is part of avr-bytequeue.
+//
+//avr-bytequeue 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.
+//
+//avr-bytequeue 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 avr-bytequeue.  If not, see <http://www.gnu.org/licenses/>.
+
+#ifndef INTERRUPT_SETTING_H
+#define INTERRUPT_SETTING_H
+
+#ifdef __cplusplus
+extern "C" {
+#endif 
+
+#include <inttypes.h>
+
+//AVR specific typedef
+typedef uint8_t interrupt_setting_t;
+
+interrupt_setting_t store_and_clear_interrupt(void);
+void restore_interrupt_setting(interrupt_setting_t setting);
+
+#ifdef __cplusplus
+}
+#endif 
+
+#endif
+
diff --git a/protocol/lufa/midi/midi.c b/protocol/lufa/midi/midi.c
new file mode 100755
index 0000000000..11a589078c
--- /dev/null
+++ b/protocol/lufa/midi/midi.c
@@ -0,0 +1,277 @@
+//midi for embedded chips,
+//Copyright 2010 Alex Norman
+//
+//This file is part of avr-midi.
+//
+//avr-midi 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.
+//
+//avr-midi 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 avr-midi.  If not, see <http://www.gnu.org/licenses/>.
+
+#include "midi.h"
+#include <string.h> //for memcpy
+
+#define MIN(x,y) (((x) < (y)) ? (x) : (y)) 
+
+#ifndef NULL
+#define NULL 0
+#endif
+
+bool midi_is_statusbyte(uint8_t theByte){
+   return (bool)(theByte & MIDI_STATUSMASK);
+}
+
+bool midi_is_realtime(uint8_t theByte){
+   return (theByte >= MIDI_CLOCK);
+}
+
+midi_packet_length_t midi_packet_length(uint8_t status){
+   switch(status & 0xF0){
+      case MIDI_CC:
+      case MIDI_NOTEON:
+      case MIDI_NOTEOFF:
+      case MIDI_AFTERTOUCH:
+      case MIDI_PITCHBEND:
+         return THREE;
+      case MIDI_PROGCHANGE:
+      case MIDI_CHANPRESSURE:
+      case MIDI_SONGSELECT:
+         return TWO;
+      case 0xF0:
+         switch(status) {
+            case MIDI_CLOCK:
+            case MIDI_TICK:
+            case MIDI_START:
+            case MIDI_CONTINUE:
+            case MIDI_STOP:
+            case MIDI_ACTIVESENSE:
+            case MIDI_RESET:
+            case MIDI_TUNEREQUEST:
+               return ONE;
+            case MIDI_SONGPOSITION:
+               return THREE;
+            case MIDI_TC_QUARTERFRAME:
+            case MIDI_SONGSELECT:
+               return TWO;
+            case SYSEX_END:
+            case SYSEX_BEGIN:
+            default:
+               return UNDEFINED;
+         }
+      default:
+         return UNDEFINED;
+   }
+}
+
+void midi_send_cc(MidiDevice * device, uint8_t chan, uint8_t num, uint8_t val){
+   //CC Status: 0xB0 to 0xBF where the low nibble is the MIDI channel.
+   //CC Data: Controller Num, Controller Val
+   device->send_func(device, 3,
+         MIDI_CC | (chan & MIDI_CHANMASK),
+         num & 0x7F,
+         val & 0x7F);
+}
+
+void midi_send_noteon(MidiDevice * device, uint8_t chan, uint8_t num, uint8_t vel){
+   //Note Data: Note Num, Note Velocity
+   device->send_func(device, 3,
+         MIDI_NOTEON | (chan & MIDI_CHANMASK),
+         num & 0x7F,
+         vel & 0x7F);
+}
+
+void midi_send_noteoff(MidiDevice * device, uint8_t chan, uint8_t num, uint8_t vel){
+   //Note Data: Note Num, Note Velocity
+   device->send_func(device, 3,
+         MIDI_NOTEOFF | (chan & MIDI_CHANMASK),
+         num & 0x7F,
+         vel & 0x7F);
+}
+
+void midi_send_aftertouch(MidiDevice * device, uint8_t chan, uint8_t note_num, uint8_t amt){
+   device->send_func(device, 3,
+         MIDI_AFTERTOUCH | (chan & MIDI_CHANMASK),
+         note_num & 0x7F,
+         amt & 0x7F);
+}
+
+//XXX does this work right?
+//amt in range -0x2000, 0x1fff
+//uAmt should be in range..
+//0x0000 to 0x3FFF
+void midi_send_pitchbend(MidiDevice * device, uint8_t chan, int16_t amt){
+   uint16_t uAmt;
+   //check range
+   if(amt > 0x1fff){
+      uAmt = 0x3FFF;
+   } else if(amt < -0x2000){
+      uAmt = 0;
+   } else {
+      uAmt = amt + 0x2000;
+   }
+   device->send_func(device, 3,
+         MIDI_PITCHBEND | (chan & MIDI_CHANMASK),
+         uAmt & 0x7F,
+         (uAmt >> 7) & 0x7F);
+}
+
+void midi_send_programchange(MidiDevice * device, uint8_t chan, uint8_t num){
+   device->send_func(device, 2,
+         MIDI_PROGCHANGE | (chan & MIDI_CHANMASK),
+         num & 0x7F,
+         0);
+}
+
+void midi_send_channelpressure(MidiDevice * device, uint8_t chan, uint8_t amt){
+   device->send_func(device, 2,
+         MIDI_CHANPRESSURE | (chan & MIDI_CHANMASK),
+         amt & 0x7F,
+         0);
+}
+
+void midi_send_clock(MidiDevice * device){
+   device->send_func(device, 1, MIDI_CLOCK, 0, 0);
+}
+
+void midi_send_tick(MidiDevice * device){
+   device->send_func(device, 1, MIDI_TICK, 0, 0);
+}
+
+void midi_send_start(MidiDevice * device){
+   device->send_func(device, 1, MIDI_START, 0, 0);
+}
+
+void midi_send_continue(MidiDevice * device){
+   device->send_func(device, 1, MIDI_CONTINUE, 0, 0);
+}
+
+void midi_send_stop(MidiDevice * device){
+   device->send_func(device, 1, MIDI_STOP, 0, 0);
+}
+
+void midi_send_activesense(MidiDevice * device){
+   device->send_func(device, 1, MIDI_ACTIVESENSE, 0, 0);
+}
+
+void midi_send_reset(MidiDevice * device){
+   device->send_func(device, 1, MIDI_RESET, 0, 0);
+}
+
+void midi_send_tcquarterframe(MidiDevice * device, uint8_t time){
+   device->send_func(device, 2,
+         MIDI_TC_QUARTERFRAME,
+         time & 0x7F,
+         0);
+}
+
+//XXX is this right?
+void midi_send_songposition(MidiDevice * device, uint16_t pos){
+   device->send_func(device, 3,
+         MIDI_SONGPOSITION,
+         pos & 0x7F,
+         (pos >> 7) & 0x7F);
+}
+
+void midi_send_songselect(MidiDevice * device, uint8_t song){
+   device->send_func(device, 2,
+         MIDI_SONGSELECT,
+         song & 0x7F,
+         0);
+}
+
+void midi_send_tunerequest(MidiDevice * device){
+   device->send_func(device, 1, MIDI_TUNEREQUEST, 0, 0);
+}
+
+void midi_send_byte(MidiDevice * device, uint8_t b){
+   device->send_func(device, 1, b, 0, 0);
+}
+
+void midi_send_data(MidiDevice * device, uint16_t count, uint8_t byte0, uint8_t byte1, uint8_t byte2){
+   //ensure that the count passed along is always 3 or lower
+   if (count > 3) {
+      //TODO how to do this correctly?
+   }
+   device->send_func(device, count, byte0, byte1, byte2);
+}
+
+void midi_send_array(MidiDevice * device, uint16_t count, uint8_t * array) {
+  uint16_t i;
+  for (i = 0; i < count; i += 3) {
+    uint8_t b[3] = { 0, 0, 0 };
+    uint16_t to_send = count - i;
+    to_send = (to_send > 3) ? 3 : to_send;
+    memcpy(b, array + i, to_send);
+    midi_send_data(device, to_send, b[0], b[1], b[2]);
+  }
+}
+
+
+void midi_register_cc_callback(MidiDevice * device, midi_three_byte_func_t func){
+   device->input_cc_callback = func;
+}
+
+void midi_register_noteon_callback(MidiDevice * device, midi_three_byte_func_t func){
+   device->input_noteon_callback = func;
+}
+
+void midi_register_noteoff_callback(MidiDevice * device, midi_three_byte_func_t func){
+   device->input_noteoff_callback = func;
+}
+
+void midi_register_aftertouch_callback(MidiDevice * device, midi_three_byte_func_t func){
+   device->input_aftertouch_callback = func;
+}
+
+void midi_register_pitchbend_callback(MidiDevice * device, midi_three_byte_func_t func){
+   device->input_pitchbend_callback = func;
+}
+
+void midi_register_songposition_callback(MidiDevice * device, midi_three_byte_func_t func){
+   device->input_songposition_callback = func;
+}
+
+void midi_register_progchange_callback(MidiDevice * device, midi_two_byte_func_t func) {
+   device->input_progchange_callback = func;
+}
+
+void midi_register_chanpressure_callback(MidiDevice * device, midi_two_byte_func_t func) {
+   device->input_chanpressure_callback = func;
+}
+
+void midi_register_songselect_callback(MidiDevice * device, midi_two_byte_func_t func) {
+   device->input_songselect_callback = func;
+}
+
+void midi_register_tc_quarterframe_callback(MidiDevice * device, midi_two_byte_func_t func) {
+   device->input_tc_quarterframe_callback = func;
+}
+
+void midi_register_realtime_callback(MidiDevice * device, midi_one_byte_func_t func){
+   device->input_realtime_callback = func;
+}
+
+void midi_register_tunerequest_callback(MidiDevice * device, midi_one_byte_func_t func){
+   device->input_tunerequest_callback = func;
+}
+
+void midi_register_sysex_callback(MidiDevice * device, midi_sysex_func_t func) {
+   device->input_sysex_callback = func;
+}
+
+void midi_register_fallthrough_callback(MidiDevice * device, midi_var_byte_func_t func){
+   device->input_fallthrough_callback = func;
+}
+
+void midi_register_catchall_callback(MidiDevice * device, midi_var_byte_func_t func){
+   device->input_catchall_callback = func;
+}
+
diff --git a/protocol/lufa/midi/midi.h b/protocol/lufa/midi/midi.h
new file mode 100755
index 0000000000..1a36737df8
--- /dev/null
+++ b/protocol/lufa/midi/midi.h
@@ -0,0 +1,498 @@
+//midi for embedded chips,
+//Copyright 2010 Alex Norman
+//
+//This file is part of avr-midi.
+//
+//avr-midi 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.
+//
+//avr-midi 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 avr-midi.  If not, see <http://www.gnu.org/licenses/>.
+
+/**
+ * @file
+ * @brief The main midi functions
+ *
+ * This file includes all of the functions you need to set up and process a
+ * midi device, send midi, and register midi callbacks.
+ *
+ */
+
+#ifndef XNOR_MIDI_H
+#define XNOR_MIDI_H
+
+#ifdef __cplusplus
+extern "C" {
+#endif 
+
+#include "midi_device.h"
+#include "midi_function_types.h"
+
+/**
+ * @defgroup midi_device_setup_process Device initialization and processing
+ * @brief These are method that you must use to initialize and run a device
+ *
+ * @{
+ */
+
+/**
+ * @brief Initialize a device
+ *
+ * You must call this before using the device in question.
+ *
+ * @param device the device to initialize
+*/
+void midi_device_init(MidiDevice * device); // [implementation in midi_device.c]
+
+/**
+ * @brief Process input data
+ *
+ * This method drives the input processing, you must call this method frequently
+ * if you expect to have your input callbacks called.
+ *
+ * @param device the device to process
+*/
+void midi_device_process(MidiDevice * device); // [implementation in midi_device.c]
+
+/**@}*/
+
+/**
+ * @defgroup send_functions Midi send functions
+ * @brief These are the functions you use to send midi data through a device.
+ * @{
+ */
+
+/**
+ * @brief Send a control change message (cc) via the given device.
+ *
+ * @param device the device to use for sending
+ * @param chan the channel to send on, 0-15
+ * @param num the cc num
+ * @param val the value of that cc num
+*/
+void midi_send_cc(MidiDevice * device, uint8_t chan, uint8_t num, uint8_t val);
+
+/**
+ * @brief Send a note on message via the given device.
+ *
+ * @param device the device to use for sending
+ * @param chan the channel to send on, 0-15
+ * @param num the note number
+ * @param vel the note velocity
+*/
+void midi_send_noteon(MidiDevice * device, uint8_t chan, uint8_t num, uint8_t vel);
+
+/**
+ * @brief Send a note off message via the given device.
+ *
+ * @param device the device to use for sending
+ * @param chan the channel to send on, 0-15
+ * @param num the note number
+ * @param vel the note velocity
+*/
+void midi_send_noteoff(MidiDevice * device, uint8_t chan, uint8_t num, uint8_t vel);
+
+/**
+ * @brief Send an after touch message via the given device.
+ *
+ * @param device the device to use for sending
+ * @param chan the channel to send on, 0-15
+ * @param note_num the note number
+ * @param amt the after touch amount
+*/
+void midi_send_aftertouch(MidiDevice * device, uint8_t chan, uint8_t note_num, uint8_t amt);
+
+/**
+ * @brief Send a pitch bend message via the given device.
+ *
+ * @param device the device to use for sending
+ * @param chan the channel to send on, 0-15
+ * @param amt the bend amount range: -8192..8191, 0 means no bend
+*/
+void midi_send_pitchbend(MidiDevice * device, uint8_t chan, int16_t amt); //range -8192, 8191
+
+/**
+ * @brief Send a program change message via the given device.
+ *
+ * @param device the device to use for sending
+ * @param chan the channel to send on, 0-15
+ * @param num the program to change to
+*/
+void midi_send_programchange(MidiDevice * device, uint8_t chan, uint8_t num);
+
+/**
+ * @brief Send a channel pressure message via the given device.
+ *
+ * @param device the device to use for sending
+ * @param chan the channel to send on, 0-15
+ * @param amt the amount of channel pressure
+*/
+void midi_send_channelpressure(MidiDevice * device, uint8_t chan, uint8_t amt);
+
+/**
+ * @brief Send a clock message via the given device.
+ *
+ * @param device the device to use for sending
+ */
+void midi_send_clock(MidiDevice * device);
+
+/**
+ * @brief Send a tick message via the given device.
+ *
+ * @param device the device to use for sending
+ */
+void midi_send_tick(MidiDevice * device);
+
+/**
+ * @brief Send a start message via the given device.
+ *
+ * @param device the device to use for sending
+ */
+void midi_send_start(MidiDevice * device);
+
+/**
+ * @brief Send a continue message via the given device.
+ *
+ * @param device the device to use for sending
+ */
+void midi_send_continue(MidiDevice * device);
+
+/**
+ * @brief Send a stop message via the given device.
+ *
+ * @param device the device to use for sending
+ */
+void midi_send_stop(MidiDevice * device);
+
+/**
+ * @brief Send an active sense message via the given device.
+ *
+ * @param device the device to use for sending
+ */
+void midi_send_activesense(MidiDevice * device);
+
+/**
+ * @brief Send a reset message via the given device.
+ *
+ * @param device the device to use for sending
+ */
+void midi_send_reset(MidiDevice * device);
+
+
+/**
+ * @brief Send a tc quarter frame message via the given device.
+ *
+ * @param device the device to use for sending
+ * @param time the time of this quarter frame, range 0..16383
+ */
+void midi_send_tcquarterframe(MidiDevice * device, uint8_t time);
+
+/**
+ * @brief Send a song position message via the given device.
+ *
+ * @param device the device to use for sending
+ * @param pos the song position
+ */
+void midi_send_songposition(MidiDevice * device, uint16_t pos);
+
+/**
+ * @brief Send a song select message via the given device.
+ *
+ * @param device the device to use for sending
+ * @param song the song to select
+ */
+void midi_send_songselect(MidiDevice * device, uint8_t song);
+
+/**
+ * @brief Send a tune request message via the given device.
+ *
+ * @param device the device to use for sending
+ */
+void midi_send_tunerequest(MidiDevice * device);
+
+/**
+ * @brief Send a byte via the given device.
+ *
+ * This is a generic method for sending data via the given midi device.
+ * This would be useful for sending sysex data or messages that are not
+ * implemented in this API, if there are any.  Please contact the author
+ * if you find some so we can add them.
+ *
+ * @param device the device to use for sending
+ * @param b the byte to send
+ */
+void midi_send_byte(MidiDevice * device, uint8_t b);
+
+/**
+ * @brief Send up to 3 bytes of data
+ *
+ * % 4 is applied to count so that you can use this to pass sysex through
+ *
+ * @param device the device to use for sending
+ * @param count the count of bytes to send, %4 is applied
+ * @param byte0 the first byte
+ * @param byte1 the second byte, ignored if cnt % 4 != 2
+ * @param byte2 the third byte, ignored if cnt % 4 != 3
+ */
+void midi_send_data(MidiDevice * device, uint16_t count, uint8_t byte0, uint8_t byte1, uint8_t byte2);
+
+/**
+ * @brief Send an array of formatted midi data.
+ *
+ * Can be used for sysex.
+ *
+ * @param device the device to use for sending
+ * @param count the count of bytes to send
+ * @param array the array of bytes
+ */
+void midi_send_array(MidiDevice * device, uint16_t count, uint8_t * array);
+
+/**@}*/
+
+
+/**
+ * @defgroup input_callback_reg Input callback registration functions
+ * 
+ * @brief These are the functions you use to register your input callbacks.
+ *
+ * The functions are called when the appropriate midi message is matched on the
+ * associated device's input.
+ *
+ * @{
+ */
+
+//three byte funcs
+
+/**
+ * @brief Register a control change message (cc) callback.
+ *
+ * @param device the device associate with
+ * @param func the callback function to register
+ */
+void midi_register_cc_callback(MidiDevice * device, midi_three_byte_func_t func);
+
+/**
+ * @brief Register a note on callback.
+ *
+ * @param device the device associate with
+ * @param func the callback function to register
+ */
+void midi_register_noteon_callback(MidiDevice * device, midi_three_byte_func_t func);
+
+/**
+ * @brief Register a note off callback.
+ *
+ * @param device the device associate with
+ * @param func the callback function to register
+ */
+void midi_register_noteoff_callback(MidiDevice * device, midi_three_byte_func_t func);
+
+/**
+ * @brief Register an after touch callback.
+ *
+ * @param device the device associate with
+ * @param func the callback function to register
+ */
+
+void midi_register_aftertouch_callback(MidiDevice * device, midi_three_byte_func_t func);
+
+/**
+ * @brief Register a pitch bend callback.
+ *
+ * @param device the device associate with
+ * @param func the callback function to register
+ */
+void midi_register_pitchbend_callback(MidiDevice * device, midi_three_byte_func_t func);
+
+/**
+ * @brief Register a song position callback.
+ *
+ * @param device the device associate with
+ * @param func the callback function to register
+ */
+void midi_register_songposition_callback(MidiDevice * device, midi_three_byte_func_t func);
+
+//two byte funcs
+
+/**
+ * @brief Register a program change callback.
+ *
+ * @param device the device associate with
+ * @param func the callback function to register
+ */
+void midi_register_progchange_callback(MidiDevice * device, midi_two_byte_func_t func);
+
+/**
+ * @brief Register a channel pressure callback.
+ *
+ * @param device the device associate with
+ * @param func the callback function to register
+ */
+void midi_register_chanpressure_callback(MidiDevice * device, midi_two_byte_func_t func);
+
+/**
+ * @brief Register a song select callback.
+ *
+ * @param device the device associate with
+ * @param func the callback function to register
+ */
+void midi_register_songselect_callback(MidiDevice * device, midi_two_byte_func_t func);
+
+/**
+ * @brief Register a tc quarter frame callback.
+ *
+ * @param device the device associate with
+ * @param func the callback function to register
+ */
+void midi_register_tc_quarterframe_callback(MidiDevice * device, midi_two_byte_func_t func);
+
+//one byte funcs
+
+/**
+ * @brief Register a realtime callback.
+ *
+ * The callback will be called for all of the real time message types.
+ *
+ * @param device the device associate with
+ * @param func the callback function to register
+ */
+void midi_register_realtime_callback(MidiDevice * device, midi_one_byte_func_t func);
+
+/**
+ * @brief Register a tune request callback.
+ *
+ * @param device the device associate with
+ * @param func the callback function to register
+ */
+void midi_register_tunerequest_callback(MidiDevice * device, midi_one_byte_func_t func);
+
+/**
+ * @brief Register a sysex callback.
+ *
+ * @param device the device associate with
+ * @param func the callback function to register
+ */
+void midi_register_sysex_callback(MidiDevice * device, midi_sysex_func_t func);
+
+/**
+ * @brief Register fall through callback.
+ *
+ * This is only called if a more specific callback is not matched and called.
+ * For instance, if you don't register a note on callback but you get a note on message
+ * the fall through callback will be called, if it is registered.
+ *
+ * @param device the device associate with
+ * @param func the callback function to register
+ */
+void midi_register_fallthrough_callback(MidiDevice * device, midi_var_byte_func_t func);
+
+
+/**
+ * @brief Register a catch all callback.
+ *
+ * If registered, the catch all callback is called for every message that is
+ * matched, even if a more specific or the fallthrough callback is registered.
+ *
+ * @param device the device associate with
+ * @param func the callback function to register
+ */
+void midi_register_catchall_callback(MidiDevice * device, midi_var_byte_func_t func);
+
+/**@}*/
+
+/**
+ * @defgroup midi_util Device independent utility functions.
+ * @{
+ */
+
+/**
+ * \enum midi_packet_length_t
+ *
+ * An enumeration of the possible packet length values.
+ */
+typedef enum {
+   UNDEFINED = 0,
+   ONE = 1,
+   TWO = 2,
+   THREE = 3} midi_packet_length_t;
+
+/**
+ * @brief Test to see if the byte given is a status byte
+ * @param theByte the byte to test
+ * @return true if the byte given is a midi status byte
+ */
+bool midi_is_statusbyte(uint8_t theByte);
+
+/**
+ * @brief Test to see if the byte given is a realtime message
+ * @param theByte the byte to test
+ * @return true if it is a realtime message, false otherwise
+ */
+bool midi_is_realtime(uint8_t theByte);
+
+/**
+ * @brief Find the length of the packet associated with the status byte given
+ * @param status the status byte
+ * @return the length of the packet, will return UNDEFINED if the byte is not
+ * a status byte or if it is a sysex status byte
+ */
+midi_packet_length_t midi_packet_length(uint8_t status);
+
+/**@}*/
+
+/**
+ * @defgroup defines Midi status and miscellaneous utility #defines
+ *
+ * @{
+ */
+
+#define SYSEX_BEGIN 0xF0
+#define SYSEX_END 0xF7
+
+//if you and this with a byte and you get anything non-zero
+//it is a status message
+#define MIDI_STATUSMASK 0x80
+//if you and this with a status message that contains channel info,
+//you'll get the channel
+#define MIDI_CHANMASK 0x0F
+
+#define MIDI_CC 0xB0
+#define MIDI_NOTEON 0x90
+#define MIDI_NOTEOFF 0x80
+#define MIDI_AFTERTOUCH 0xA0
+#define MIDI_PITCHBEND 0xE0
+#define MIDI_PROGCHANGE 0xC0
+#define MIDI_CHANPRESSURE 0xD0
+
+//midi realtime
+#define MIDI_CLOCK 0xF8
+#define MIDI_TICK 0xF9
+#define MIDI_START 0xFA
+#define MIDI_CONTINUE 0xFB
+#define MIDI_STOP 0xFC
+#define MIDI_ACTIVESENSE 0xFE
+#define MIDI_RESET 0xFF
+
+#define MIDI_TC_QUARTERFRAME 0xF1
+#define MIDI_SONGPOSITION 0xF2
+#define MIDI_SONGSELECT 0xF3
+#define MIDI_TUNEREQUEST 0xF6
+
+//This ID is for educational or development use only
+#define SYSEX_EDUMANUFID 0x7D
+
+/**@}*/
+
+#ifdef __cplusplus
+}
+#endif 
+
+#endif
+
diff --git a/protocol/lufa/midi/midi_device.c b/protocol/lufa/midi/midi_device.c
new file mode 100755
index 0000000000..3215a007d5
--- /dev/null
+++ b/protocol/lufa/midi/midi_device.c
@@ -0,0 +1,291 @@
+//midi for embedded chips,
+//Copyright 2010 Alex Norman
+//
+//This file is part of avr-midi.
+//
+//avr-midi 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.
+//
+//avr-midi 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 avr-midi.  If not, see <http://www.gnu.org/licenses/>.
+
+#include "midi_device.h"
+#include "midi.h"
+
+#ifndef NULL
+#define NULL 0
+#endif
+
+//forward declarations, internally used to call the callbacks
+void midi_input_callbacks(MidiDevice * device, uint16_t cnt, uint8_t byte0, uint8_t byte1, uint8_t byte2);
+void midi_process_byte(MidiDevice * device, uint8_t input);
+
+void midi_device_init(MidiDevice * device){
+  device->input_state = IDLE;
+  device->input_count = 0;
+  bytequeue_init(&device->input_queue, device->input_queue_data, MIDI_INPUT_QUEUE_LENGTH);
+
+  //three byte funcs
+  device->input_cc_callback = NULL;
+  device->input_noteon_callback = NULL;
+  device->input_noteoff_callback = NULL;
+  device->input_aftertouch_callback = NULL;
+  device->input_pitchbend_callback = NULL;
+  device->input_songposition_callback = NULL;
+
+  //two byte funcs
+  device->input_progchange_callback = NULL;
+  device->input_chanpressure_callback = NULL;
+  device->input_songselect_callback = NULL;
+  device->input_tc_quarterframe_callback = NULL;
+
+  //one byte funcs
+  device->input_realtime_callback = NULL;
+  device->input_tunerequest_callback = NULL;
+
+  //var byte functions
+  device->input_sysex_callback = NULL;
+  device->input_fallthrough_callback = NULL;
+  device->input_catchall_callback = NULL;
+
+  device->pre_input_process_callback = NULL;
+}
+
+void midi_device_input(MidiDevice * device, uint8_t cnt, uint8_t * input) {
+  uint8_t i;
+  for (i = 0; i < cnt; i++)
+    bytequeue_enqueue(&device->input_queue, input[i]);
+}
+
+void midi_device_set_send_func(MidiDevice * device, midi_var_byte_func_t send_func){
+  device->send_func = send_func;
+}
+
+void midi_device_set_pre_input_process_func(MidiDevice * device, midi_no_byte_func_t pre_process_func){
+  device->pre_input_process_callback = pre_process_func;
+}
+
+void midi_device_process(MidiDevice * device) {
+  //call the pre_input_process_callback if there is one
+  if(device->pre_input_process_callback)
+    device->pre_input_process_callback(device);
+
+  //pull stuff off the queue and process
+  byteQueueIndex_t len = bytequeue_length(&device->input_queue);
+  uint16_t i;
+  //TODO limit number of bytes processed?
+  for(i = 0; i < len; i++) {
+    uint8_t val = bytequeue_get(&device->input_queue, 0);
+    midi_process_byte(device, val);
+    bytequeue_remove(&device->input_queue, 1);
+  }
+}
+
+void midi_process_byte(MidiDevice * device, uint8_t input) {
+  if (midi_is_realtime(input)) {
+    //call callback, store and restore state
+    input_state_t state = device->input_state;
+    device->input_state = ONE_BYTE_MESSAGE;
+    midi_input_callbacks(device, 1, input, 0, 0);
+    device->input_state = state;
+  } else if (midi_is_statusbyte(input)) {
+    //store the byte
+    if (device->input_state != SYSEX_MESSAGE) {
+      device->input_buffer[0] = input;
+      device->input_count = 1;
+    }
+    switch (midi_packet_length(input)) {
+      case ONE:
+        device->input_state = ONE_BYTE_MESSAGE;;
+        midi_input_callbacks(device, 1, input, 0, 0);
+        device->input_state = IDLE;
+        break;
+      case TWO:
+        device->input_state = TWO_BYTE_MESSAGE;
+        break;
+      case THREE:
+        device->input_state = THREE_BYTE_MESSAGE;
+        break;
+      case UNDEFINED:
+        switch(input) {
+          case SYSEX_BEGIN:
+            device->input_state = SYSEX_MESSAGE;
+            device->input_buffer[0] = input;
+            device->input_count = 1;
+            break;
+          case SYSEX_END:
+            //send what is left in the input buffer, set idle
+            device->input_buffer[device->input_count % 3] = input;
+            device->input_count += 1;
+            //call the callback
+            midi_input_callbacks(device, device->input_count, 
+                device->input_buffer[0], device->input_buffer[1], device->input_buffer[2]);
+            device->input_state = IDLE;
+            break;
+          default:
+            device->input_state = IDLE;
+            device->input_count = 0;
+        }
+
+        break;
+      default:
+        device->input_state = IDLE;
+        device->input_count = 0;
+        break;
+    }
+  } else {
+    if (device->input_state != IDLE) {
+      //store the byte
+      device->input_buffer[device->input_count % 3] = input;
+      //increment count
+      uint16_t prev = device->input_count;
+      device->input_count += 1;
+
+      switch(prev % 3) {
+        case 2:
+          //call callback
+          midi_input_callbacks(device, device->input_count,
+              device->input_buffer[0], device->input_buffer[1], device->input_buffer[2]);
+          if (device->input_state != SYSEX_MESSAGE) {
+            //set to 1, keeping status byte, allowing for running status
+            device->input_count = 1;
+          }
+          break;
+        case 1:
+          if (device->input_state == TWO_BYTE_MESSAGE) {
+            //call callback
+            midi_input_callbacks(device, device->input_count,
+                device->input_buffer[0], device->input_buffer[1], 0);
+            if (device->input_state != SYSEX_MESSAGE) {
+              //set to 1, keeping status byte, allowing for running status
+              device->input_count = 1;
+            }
+          }
+          break;
+        case 0:
+        default:
+          //one byte messages are dealt with directly
+          break;
+      }
+    }
+  }
+}
+
+void midi_input_callbacks(MidiDevice * device, uint16_t cnt, uint8_t byte0, uint8_t byte1, uint8_t byte2) {
+  //did we end up calling a callback?
+  bool called = false;
+  if (device->input_state == SYSEX_MESSAGE) {
+    if (device->input_sysex_callback) {
+      const uint16_t start = ((cnt - 1) / 3) * 3;
+      const uint8_t length = (cnt - start);
+      uint8_t data[3];
+      data[0] = byte0;
+      data[1] = byte1;
+      data[2] = byte2;
+      device->input_sysex_callback(device, start, length, data);
+      called = true;
+    }
+  } else {
+    switch (cnt) {
+      case 3:
+        {
+          midi_three_byte_func_t func = NULL;
+          switch (byte0 & 0xF0) {
+            case MIDI_CC:
+              func = device->input_cc_callback;
+              break;
+            case MIDI_NOTEON:
+              func = device->input_noteon_callback;
+              break;
+            case MIDI_NOTEOFF:
+              func = device->input_noteoff_callback;
+              break;
+            case MIDI_AFTERTOUCH:
+              func = device->input_aftertouch_callback;
+              break;
+            case MIDI_PITCHBEND:
+              func = device->input_pitchbend_callback;
+              break;
+            case 0xF0:
+              if (byte0 == MIDI_SONGPOSITION)
+                func = device->input_songposition_callback;
+              break;
+            default:
+              break;
+          }
+          if(func) {
+            //mask off the channel for non song position functions
+            if (byte0 == MIDI_SONGPOSITION)
+              func(device, byte0, byte1, byte2);
+            else
+              func(device, byte0 & 0x0F, byte1, byte2);
+            called = true;
+          }
+        }
+        break;
+      case 2:
+        {
+          midi_two_byte_func_t func = NULL;
+          switch (byte0 & 0xF0) {
+            case MIDI_PROGCHANGE:
+              func = device->input_progchange_callback;
+              break;
+            case MIDI_CHANPRESSURE:
+              func = device->input_chanpressure_callback;
+              break;
+            case 0xF0:
+              if (byte0 == MIDI_SONGSELECT)
+                func = device->input_songselect_callback;
+              else if (byte0 == MIDI_TC_QUARTERFRAME)
+                func = device->input_tc_quarterframe_callback;
+              break;
+            default:
+              break;
+          }
+          if(func) {
+            //mask off the channel
+            if (byte0 == MIDI_SONGSELECT || byte0 == MIDI_TC_QUARTERFRAME)
+              func(device, byte0, byte1);
+            else
+              func(device, byte0 & 0x0F, byte1);
+            called = true;
+          }
+        }
+        break;
+      case 1:
+        {
+          midi_one_byte_func_t func = NULL;
+          if (midi_is_realtime(byte0))
+            func = device->input_realtime_callback;
+          else if (byte0 == MIDI_TUNEREQUEST)
+            func = device->input_tunerequest_callback;
+          if (func) {
+            func(device, byte0);
+            called = true;
+          }
+        }
+        break;
+      default:
+        //just in case
+        if (cnt > 3)
+          cnt = 0;
+        break;
+    }
+  }
+
+  //if there is fallthrough default callback and we haven't called a more specific one, 
+  //call the fallthrough
+  if (!called && device->input_fallthrough_callback)
+    device->input_fallthrough_callback(device, cnt, byte0, byte1, byte2);
+  //always call the catch all if it exists
+  if (device->input_catchall_callback)
+    device->input_catchall_callback(device, cnt, byte0, byte1, byte2);
+}
+
diff --git a/protocol/lufa/midi/midi_device.h b/protocol/lufa/midi/midi_device.h
new file mode 100755
index 0000000000..088995286c
--- /dev/null
+++ b/protocol/lufa/midi/midi_device.h
@@ -0,0 +1,156 @@
+//midi for embedded chips,
+//Copyright 2010 Alex Norman
+//
+//This file is part of avr-midi.
+//
+//avr-midi 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.
+//
+//avr-midi 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 avr-midi.  If not, see <http://www.gnu.org/licenses/>.
+
+/**
+ * @file
+ * @brief Device implementation functions
+ */
+
+#ifndef MIDI_DEVICE_H
+#define MIDI_DEVICE_H
+
+#ifdef __cplusplus
+extern "C" {
+#endif 
+
+/**
+ * @defgroup midi_device Functions used when implementing your own midi device.
+ *
+ * You use the functions when you are implementing your own midi device.
+ *
+ * You set a send function to actually send bytes via your device, this method
+ * is called when you call a send function with this device, for instance
+ * midi_send_cc
+ *
+ * You use the midi_device_input to process input data from the device and pass
+ * it through the device's associated callbacks.
+ *
+ * You use the midi_device_set_pre_input_process_func if you want to have a
+ * function called at the beginning of the device's process function, generally
+ * to poll for input and pass that into midi_device_input
+ *
+ * @{
+ */
+
+#include "midi_function_types.h"
+#include "bytequeue/bytequeue.h"
+#define MIDI_INPUT_QUEUE_LENGTH 192
+
+typedef enum {
+   IDLE, 
+   ONE_BYTE_MESSAGE = 1,
+   TWO_BYTE_MESSAGE = 2, 
+   THREE_BYTE_MESSAGE = 3,
+   SYSEX_MESSAGE} input_state_t;
+
+typedef void (* midi_no_byte_func_t)(MidiDevice * device);
+
+/**
+ * \struct _midi_device
+ *
+ * @brief This structure represents the input and output functions and
+ * processing data for a midi device.
+ *
+ * A device can represent an actual physical device [serial port, usb port] or
+ * something virtual.
+ * You should not need to modify this structure directly.
+ */
+struct _midi_device {
+   //output send function
+   midi_var_byte_func_t send_func;
+
+   //********input callbacks
+   //three byte funcs
+   midi_three_byte_func_t input_cc_callback;
+   midi_three_byte_func_t input_noteon_callback;
+   midi_three_byte_func_t input_noteoff_callback;
+   midi_three_byte_func_t input_aftertouch_callback;
+   midi_three_byte_func_t input_pitchbend_callback;
+   midi_three_byte_func_t input_songposition_callback;
+   //two byte funcs
+   midi_two_byte_func_t input_progchange_callback;
+   midi_two_byte_func_t input_chanpressure_callback;
+   midi_two_byte_func_t input_songselect_callback;
+   midi_two_byte_func_t input_tc_quarterframe_callback;
+   //one byte funcs
+   midi_one_byte_func_t input_realtime_callback;
+   midi_one_byte_func_t input_tunerequest_callback;
+
+   //sysex
+   midi_sysex_func_t input_sysex_callback;
+
+   //only called if more specific callback is not matched
+   midi_var_byte_func_t input_fallthrough_callback;
+   //called if registered, independent of other callbacks
+   midi_var_byte_func_t input_catchall_callback;
+
+   //pre input processing function
+   midi_no_byte_func_t pre_input_process_callback;
+
+   //for internal input processing
+   uint8_t input_buffer[3];
+   input_state_t input_state;
+   uint16_t input_count;
+
+   //for queueing data between the input and the processing functions
+   uint8_t input_queue_data[MIDI_INPUT_QUEUE_LENGTH];
+   byteQueue_t input_queue;
+};
+
+/**
+ * @brief Process input bytes.  This function parses bytes and calls the
+ * appropriate callbacks associated with the given device.  You use this
+ * function if you are creating a custom device and you want to have midi
+ * input.
+ *
+ * @param device the midi device to associate the input with
+ * @param cnt the number of bytes you are processing
+ * @param input the bytes to process
+ */
+void midi_device_input(MidiDevice * device, uint8_t cnt, uint8_t * input);
+
+/**
+ * @brief Set the callback function that will be used for sending output
+ * data bytes.  This is only used if you're creating a custom device.
+ * You'll most likely want the callback function to disable interrupts so
+ * that you can call the various midi send functions without worrying about
+ * locking.
+ *
+ * \param device the midi device to associate this callback with
+ * \param send_func the callback function that will do the sending
+ */
+void midi_device_set_send_func(MidiDevice * device, midi_var_byte_func_t send_func);
+
+/**
+ * @brief Set a callback which is called at the beginning of the
+ * midi_device_process call.  This can be used to poll for input
+ * data and send the data through the midi_device_input function.
+ * You'll probably only use this if you're creating a custom device.
+ *
+ * \param device the midi device to associate this callback with
+ * \param midi_no_byte_func_t the actual callback function
+ */
+void midi_device_set_pre_input_process_func(MidiDevice * device, midi_no_byte_func_t pre_process_func);
+
+/**@}*/
+
+#ifdef __cplusplus
+}
+#endif 
+
+#endif
diff --git a/protocol/lufa/midi/midi_function_types.h b/protocol/lufa/midi/midi_function_types.h
new file mode 100755
index 0000000000..35c4601b20
--- /dev/null
+++ b/protocol/lufa/midi/midi_function_types.h
@@ -0,0 +1,50 @@
+//midi for embedded chips,
+//Copyright 2010 Alex Norman
+//
+//This file is part of avr-midi.
+//
+//avr-midi 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.
+//
+//avr-midi 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 avr-midi.  If not, see <http://www.gnu.org/licenses/>.
+
+/**
+ * @file
+ * @brief Function signature definitions
+ */
+
+#ifndef MIDI_FUNCTION_TYPES_H
+#define MIDI_FUNCTION_TYPES_H
+
+#ifdef __cplusplus
+extern "C" {
+#endif 
+
+#include <inttypes.h>
+#include <stdbool.h>
+
+//forward declaration
+typedef struct _midi_device MidiDevice;
+
+typedef void (* midi_one_byte_func_t)(MidiDevice * device, uint8_t byte);
+typedef void (* midi_two_byte_func_t)(MidiDevice * device, uint8_t byte0, uint8_t byte1);
+typedef void (* midi_three_byte_func_t)(MidiDevice * device, uint8_t byte0, uint8_t byte1, uint8_t byte2);
+//all bytes after count bytes should be ignored
+typedef void (* midi_var_byte_func_t)(MidiDevice * device, uint16_t count, uint8_t byte0, uint8_t byte1, uint8_t byte2);
+
+//the start byte tells you how far into the sysex message you are, the data_length tells you how many bytes data is
+typedef void (* midi_sysex_func_t)(MidiDevice * device, uint16_t start_byte, uint8_t data_length, uint8_t *data);
+
+#ifdef __cplusplus
+}
+#endif 
+
+#endif
diff --git a/protocol/lufa/midi/sysex_tools.c b/protocol/lufa/midi/sysex_tools.c
new file mode 100755
index 0000000000..7563a3e2aa
--- /dev/null
+++ b/protocol/lufa/midi/sysex_tools.c
@@ -0,0 +1,99 @@
+//midi for embedded chips,
+//Copyright 2010 Alex Norman
+//
+//This file is part of avr-midi.
+//
+//avr-midi 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.
+//
+//avr-midi 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 avr-midi.  If not, see <http://www.gnu.org/licenses/>.
+
+#include "sysex_tools.h"
+
+uint16_t sysex_encoded_length(uint16_t decoded_length){
+   uint8_t remainder = decoded_length % 7;
+   if (remainder)
+      return (decoded_length / 7) * 8 + remainder + 1;
+   else
+      return (decoded_length / 7) * 8;
+}
+
+uint16_t sysex_decoded_length(uint16_t encoded_length){
+   uint8_t remainder = encoded_length % 8;
+   if (remainder)
+      return (encoded_length / 8) * 7 + remainder - 1;
+   else
+      return (encoded_length / 8) * 7;
+}
+
+uint16_t sysex_encode(uint8_t *encoded, const uint8_t *source, const uint16_t length){
+   uint16_t encoded_full = length / 7; //number of full 8 byte sections from 7 bytes of input
+   uint16_t i,j;
+
+   //fill out the fully encoded sections
+   for(i = 0; i < encoded_full; i++) {
+      uint16_t encoded_msb_idx = i * 8;
+      uint16_t input_start_idx = i * 7;
+      encoded[encoded_msb_idx] = 0;
+      for(j = 0; j < 7; j++){
+         uint8_t current = source[input_start_idx + j];
+         encoded[encoded_msb_idx] |= (0x80 & current) >> (1 + j);
+         encoded[encoded_msb_idx + 1 + j] = 0x7F & current;
+      }
+   }
+
+   //fill out the rest if there is any more
+   uint8_t remainder = length % 7;
+   if (remainder) {
+      uint16_t encoded_msb_idx = encoded_full * 8;
+      uint16_t input_start_idx = encoded_full * 7;
+      encoded[encoded_msb_idx] = 0;
+      for(j = 0; j < remainder; j++){
+         uint8_t current = source[input_start_idx + j];
+         encoded[encoded_msb_idx] |= (0x80 & current) >> (1 + j);
+         encoded[encoded_msb_idx + 1 + j] = 0x7F & current;
+      }
+      return encoded_msb_idx + remainder + 1;
+   } else {
+      return encoded_full * 8;
+   }
+}
+
+uint16_t sysex_decode(uint8_t *decoded, const uint8_t *source, const uint16_t length){
+   uint16_t decoded_full = length / 8;
+   uint16_t i,j;
+
+   if (length < 2)
+      return 0;
+
+   //fill out the fully encoded sections
+   for(i = 0; i < decoded_full; i++) {
+      uint16_t encoded_msb_idx = i * 8;
+      uint16_t output_start_index = i * 7;
+      for(j = 0; j < 7; j++){
+         decoded[output_start_index + j] = 0x7F & source[encoded_msb_idx + j + 1];
+         decoded[output_start_index + j] |= (0x80 & (source[encoded_msb_idx] << (1 + j)));
+      }
+   }
+   uint8_t remainder = length % 8;
+   if (remainder) {
+      uint16_t encoded_msb_idx = decoded_full * 8;
+      uint16_t output_start_index = decoded_full * 7;
+      for(j = 0; j < (remainder - 1); j++) {
+         decoded[output_start_index + j] = 0x7F & source[encoded_msb_idx + j + 1];
+         decoded[output_start_index + j] |= (0x80 & (source[encoded_msb_idx] << (1 + j)));
+      }
+      return decoded_full * 7 + remainder - 1;
+   } else {
+      return decoded_full * 7;
+   }
+}
+
diff --git a/protocol/lufa/midi/sysex_tools.h b/protocol/lufa/midi/sysex_tools.h
new file mode 100755
index 0000000000..3654d0114f
--- /dev/null
+++ b/protocol/lufa/midi/sysex_tools.h
@@ -0,0 +1,95 @@
+//midi for embedded chips,
+//Copyright 2010 Alex Norman
+//
+//This file is part of avr-midi.
+//
+//avr-midi 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.
+//
+//avr-midi 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 avr-midi.  If not, see <http://www.gnu.org/licenses/>.
+
+#ifndef SYSEX_TOOLS_H
+#define SYSEX_TOOLS_H
+
+#ifdef __cplusplus
+extern "C" {
+#endif 
+
+#include <inttypes.h>
+
+/**
+ * @file
+ * @brief Sysex utility functions
+ *
+ * These functions are for converting data to and from a "midi-safe" format,
+ * which can be use to send data with sysex messages.  Sysex messages may only
+ * contain data where the to bit is not set. 
+ *
+ * An "encoded" midi message is one that contains all of the data from its
+ * original state, but does not have any of the top bits set.
+ *
+ * Every 7 bytes of decoded data is converted into 8 bytes of encoded data and
+ * visa-versa.  If you'd like to operate on small segments, make sure that you
+ * encode in 7 byte increments and decode in 8 byte increments.
+ *
+ */
+
+/** @defgroup sysex_tools Sysex utility functions
+ * @{
+ */
+
+/**
+ * @brief Compute the length of a message after it is encoded.
+ *
+ * @param decoded_length The length, in bytes, of the message to encode.
+ *
+ * @return The length, in bytes, of the message after encodeing.
+ */
+uint16_t sysex_encoded_length(uint16_t decoded_length);
+
+/**
+ * @brief Compute the length of a message after it is decoded.
+ *
+ * @param encoded_length The length, in bytes, of the encoded message.
+ *
+ * @return The length, in bytes, of the message after it is decoded.
+ */
+uint16_t sysex_decoded_length(uint16_t encoded_length);
+
+/**
+ * @brief Encode data so that it can be transmitted safely in a sysex message.
+ *
+ * @param encoded The output data buffer, must be at least sysex_encoded_length(length) bytes long.
+ * @param source The input buffer of data to be encoded.
+ * @param length The number of bytes from the input buffer to encode.
+ * 
+ * @return number of bytes encoded.
+ */
+uint16_t sysex_encode(uint8_t *encoded, const uint8_t *source, uint16_t length);
+
+/**
+ * @brief Decode encoded data.
+ *
+ * @param decoded The output data buffer, must be at least sysex_decoded_length(length) bytes long.
+ * @param source The input buffer of data to be decoded.
+ * @param length The number of bytes from the input buffer to decode.
+ * 
+ * @return number of bytes decoded.
+ */
+uint16_t sysex_decode(uint8_t *decoded, const uint8_t *source, uint16_t length);
+
+/**@}*/
+
+#ifdef __cplusplus
+}
+#endif 
+
+#endif