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diff --git a/lib/lufa/Demos/Device/ClassDriver/MIDI/MIDI.c b/lib/lufa/Demos/Device/ClassDriver/MIDI/MIDI.c
deleted file mode 100644
index d52542234a..0000000000
--- a/lib/lufa/Demos/Device/ClassDriver/MIDI/MIDI.c
+++ /dev/null
@@ -1,211 +0,0 @@
-/*
- LUFA Library
- Copyright (C) Dean Camera, 2017.
-
- dean [at] fourwalledcubicle [dot] com
- www.lufa-lib.org
-*/
-
-/*
- Copyright 2017 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 disclaims 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
- *
- * Main source file for the MIDI demo. This file contains the main tasks of
- * the demo and is responsible for the initial application hardware configuration.
- */
-
-#include "MIDI.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 = INTERFACE_ID_AudioStream,
- .DataINEndpoint =
- {
- .Address = MIDI_STREAM_IN_EPADDR,
- .Size = MIDI_STREAM_EPSIZE,
- .Banks = 1,
- },
- .DataOUTEndpoint =
- {
- .Address = MIDI_STREAM_OUT_EPADDR,
- .Size = MIDI_STREAM_EPSIZE,
- .Banks = 1,
- },
- },
- };
-
-
-/** Main program entry point. This routine contains the overall program flow, including initial
- * setup of all components and the main program loop.
- */
-int main(void)
-{
- SetupHardware();
-
- LEDs_SetAllLEDs(LEDMASK_USB_NOTREADY);
- GlobalInterruptEnable();
-
- for (;;)
- {
- CheckJoystickMovement();
-
- MIDI_EventPacket_t ReceivedMIDIEvent;
- while (MIDI_Device_ReceiveEventPacket(&Keyboard_MIDI_Interface, &ReceivedMIDIEvent))
- {
- if ((ReceivedMIDIEvent.Event == MIDI_EVENT(0, MIDI_COMMAND_NOTE_ON)) && (ReceivedMIDIEvent.Data3 > 0))
- LEDs_SetAllLEDs(ReceivedMIDIEvent.Data2 > 64 ? LEDS_LED1 : LEDS_LED2);
- else
- LEDs_SetAllLEDs(LEDS_NO_LEDS);
- }
-
- MIDI_Device_USBTask(&Keyboard_MIDI_Interface);
- USB_USBTask();
- }
-}
-
-/** Configures the board hardware and chip peripherals for the demo's functionality. */
-void SetupHardware(void)
-{
-#if (ARCH == ARCH_AVR8)
- /* Disable watchdog if enabled by bootloader/fuses */
- MCUSR &= ~(1 << WDRF);
- wdt_disable();
-
- /* Disable clock division */
- clock_prescale_set(clock_div_1);
-#elif (ARCH == ARCH_XMEGA)
- /* Start the PLL to multiply the 2MHz RC oscillator to 32MHz and switch the CPU core to run from it */
- XMEGACLK_StartPLL(CLOCK_SRC_INT_RC2MHZ, 2000000, F_CPU);
- XMEGACLK_SetCPUClockSource(CLOCK_SRC_PLL);
-
- /* Start the 32MHz internal RC oscillator and start the DFLL to increase it to 48MHz using the USB SOF as a reference */
- XMEGACLK_StartInternalOscillator(CLOCK_SRC_INT_RC32MHZ);
- XMEGACLK_StartDFLL(CLOCK_SRC_INT_RC32MHZ, DFLL_REF_INT_USBSOF, F_USB);
-
- PMIC.CTRL = PMIC_LOLVLEN_bm | PMIC_MEDLVLEN_bm | PMIC_HILVLEN_bm;
-#endif
-
- /* Hardware Initialization */
- Joystick_Init();
- LEDs_Init();
- Buttons_Init();
- USB_Init();
-}
-
-/** Checks for changes in the position of the board joystick, sending MIDI events to the host upon each change. */
-void CheckJoystickMovement(void)
-{
- static uint8_t PrevJoystickStatus;
-
- uint8_t MIDICommand = 0;
- uint8_t MIDIPitch;
-
- /* Get current joystick mask, XOR with previous to detect joystick changes */
- uint8_t JoystickStatus = Joystick_GetStatus();
- uint8_t JoystickChanges = (JoystickStatus ^ PrevJoystickStatus);
-
- /* Get board button status - if pressed use channel 10 (percussion), otherwise use channel 1 */
- uint8_t Channel = ((Buttons_GetStatus() & BUTTONS_BUTTON1) ? MIDI_CHANNEL(10) : MIDI_CHANNEL(1));
-
- if (JoystickChanges & JOY_LEFT)
- {
- MIDICommand = ((JoystickStatus & JOY_LEFT)? MIDI_COMMAND_NOTE_ON : MIDI_COMMAND_NOTE_OFF);
- MIDIPitch = 0x3C;
- }
-
- if (JoystickChanges & JOY_UP)
- {
- MIDICommand = ((JoystickStatus & JOY_UP)? MIDI_COMMAND_NOTE_ON : MIDI_COMMAND_NOTE_OFF);
- MIDIPitch = 0x3D;
- }
-
- if (JoystickChanges & JOY_RIGHT)
- {
- MIDICommand = ((JoystickStatus & JOY_RIGHT)? MIDI_COMMAND_NOTE_ON : MIDI_COMMAND_NOTE_OFF);
- MIDIPitch = 0x3E;
- }
-
- if (JoystickChanges & JOY_DOWN)
- {
- MIDICommand = ((JoystickStatus & JOY_DOWN)? MIDI_COMMAND_NOTE_ON : MIDI_COMMAND_NOTE_OFF);
- MIDIPitch = 0x3F;
- }
-
- if (JoystickChanges & JOY_PRESS)
- {
- MIDICommand = ((JoystickStatus & JOY_PRESS)? MIDI_COMMAND_NOTE_ON : MIDI_COMMAND_NOTE_OFF);
- MIDIPitch = 0x3B;
- }
-
- if (MIDICommand)
- {
- MIDI_EventPacket_t MIDIEvent = (MIDI_EventPacket_t)
- {
- .Event = MIDI_EVENT(0, MIDICommand),
-
- .Data1 = MIDICommand | Channel,
- .Data2 = MIDIPitch,
- .Data3 = MIDI_STANDARD_VELOCITY,
- };
-
- MIDI_Device_SendEventPacket(&Keyboard_MIDI_Interface, &MIDIEvent);
- MIDI_Device_Flush(&Keyboard_MIDI_Interface);
- }
-
- PrevJoystickStatus = JoystickStatus;
-}
-
-/** Event handler for the library USB Connection event. */
-void EVENT_USB_Device_Connect(void)
-{
- LEDs_SetAllLEDs(LEDMASK_USB_ENUMERATING);
-}
-
-/** Event handler for the library USB Disconnection event. */
-void EVENT_USB_Device_Disconnect(void)
-{
- LEDs_SetAllLEDs(LEDMASK_USB_NOTREADY);
-}
-
-/** 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);
-
- LEDs_SetAllLEDs(ConfigSuccess ? LEDMASK_USB_READY : LEDMASK_USB_ERROR);
-}
-
-/** Event handler for the library USB Control Request reception event. */
-void EVENT_USB_Device_ControlRequest(void)
-{
- MIDI_Device_ProcessControlRequest(&Keyboard_MIDI_Interface);
-}
-