Fix the LUFA lib to use a submodule instead of just files (#6245)

* Remove LUFA files

* Update descriptions for newer version of LUFA

* Create PR6245.md

* Fix CDC(Serial) type errors

* Fix missed merge conflict for AUDIO_DTYPE_CSInterface

6 files changed, 0 insertions, 1365 deletions

diff --git a/lib/lufa/LUFA/Drivers/Peripheral/XMEGA/SPI_XMEGA.h b/lib/lufa/LUFA/Drivers/Peripheral/XMEGA/SPI_XMEGA.h
deleted file mode 100644
index 7797df11a9..0000000000
--- a/lib/lufa/LUFA/Drivers/Peripheral/XMEGA/SPI_XMEGA.h
+++ /dev/null
@@ -1,251 +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
- *  \brief SPI Peripheral Driver (XMEGA)
- *
- *  On-chip SPI driver for the XMEGA microcontrollers.
- *
- *  \note This file should not be included directly. It is automatically included as needed by the SPI driver
- *        dispatch header located in LUFA/Drivers/Peripheral/SPI.h.
- */
-
-/** \ingroup Group_SPI
- *  \defgroup Group_SPI_XMEGA SPI Peripheral Driver (XMEGA)
- *
- *  \section Sec_SPI_XMEGA_ModDescription Module Description
- *  Driver for the hardware SPI port(s) available on XMEGA AVR microcontroller models. This
- *  module provides an easy to use driver for the setup and transfer of data over the AVR's
- *  SPI ports.
- *
- *  \note This file should not be included directly. It is automatically included as needed by the SPI driver
- *        dispatch header located in LUFA/Drivers/Peripheral/SPI.h.
- *
- *  \code
- *      // Initialize the SPI driver before first use
- *      SPI_Init(&SPIC,
- *               SPI_SPEED_FCPU_DIV_2 | SPI_ORDER_MSB_FIRST | SPI_SCK_LEAD_FALLING |
- *               SPI_SAMPLE_TRAILING | SPI_MODE_MASTER);
- *
- *      // Send several bytes, ignoring the returned data
- *      SPI_SendByte(&SPIC, 0x01);
- *      SPI_SendByte(&SPIC, 0x02);
- *      SPI_SendByte(&SPIC, 0x03);
- *
- *      // Receive several bytes, sending a dummy 0x00 byte each time
- *      uint8_t Byte1 = SPI_ReceiveByte(&SPIC);
- *      uint8_t Byte2 = SPI_ReceiveByte(&SPIC);
- *      uint8_t Byte3 = SPI_ReceiveByte(&SPIC);
- *
- *      // Send a byte, and store the received byte from the same transaction
- *      uint8_t ResponseByte = SPI_TransferByte(&SPIC, 0xDC);
- *  \endcode
- *
- *  @{
- */
-
-#ifndef __SPI_XMEGA_H__
-#define __SPI_XMEGA_H__
-
-	/* Includes: */
-		#include "../../../Common/Common.h"
-
-	/* Enable C linkage for C++ Compilers: */
-		#if defined(__cplusplus)
-			extern "C" {
-		#endif
-
-	/* Preprocessor Checks: */
-		#if !defined(__INCLUDE_FROM_SPI_H)
-			#error Do not include this file directly. Include LUFA/Drivers/Peripheral/SPI.h instead.
-		#endif
-
-	/* Private Interface - For use in library only: */
-	#if !defined(__DOXYGEN__)
-		/* Macros: */
-			#define SPI_USE_DOUBLESPEED            SPI_CLK2X_bm
-	#endif
-
-	/* Public Interface - May be used in end-application: */
-		/* Macros: */
-			/** \name SPI Prescaler Configuration Masks */
-			//@{
-			/** SPI prescaler mask for \ref SPI_Init(). Divides the system clock by a factor of 2. */
-			#define SPI_SPEED_FCPU_DIV_2           SPI_USE_DOUBLESPEED
-
-			/** SPI prescaler mask for \ref SPI_Init(). Divides the system clock by a factor of 4. */
-			#define SPI_SPEED_FCPU_DIV_4           0
-
-			/** SPI prescaler mask for \ref SPI_Init(). Divides the system clock by a factor of 8. */
-			#define SPI_SPEED_FCPU_DIV_8           (SPI_USE_DOUBLESPEED | (1 << SPI_PRESCALER_gp))
-
-			/** SPI prescaler mask for \ref SPI_Init(). Divides the system clock by a factor of 16. */
-			#define SPI_SPEED_FCPU_DIV_16          (1 << SPI_PRESCALER_gp)
-
-			/** SPI prescaler mask for \ref SPI_Init(). Divides the system clock by a factor of 32. */
-			#define SPI_SPEED_FCPU_DIV_32          (SPI_USE_DOUBLESPEED | (2 << SPI_PRESCALER_gp))
-
-			/** SPI prescaler mask for \ref SPI_Init(). Divides the system clock by a factor of 64. */
-			#define SPI_SPEED_FCPU_DIV_64          (2 << SPI_PRESCALER_gp)
-
-			/** SPI prescaler mask for \ref SPI_Init(). Divides the system clock by a factor of 128. */
-			#define SPI_SPEED_FCPU_DIV_128         (3 << SPI_PRESCALER_gp)
-			//@}
-
-			/** \name SPI SCK Polarity Configuration Masks */
-			//@{
-			/** SPI clock polarity mask for \ref SPI_Init(). Indicates that the SCK should lead on the rising edge. */
-			#define SPI_SCK_LEAD_RISING            0
-
-			/** SPI clock polarity mask for \ref SPI_Init(). Indicates that the SCK should lead on the falling edge. */
-			#define SPI_SCK_LEAD_FALLING           SPI_MODE1_bm
-			//@}
-
-			/** \name SPI Sample Edge Configuration Masks */
-			//@{
-			/** SPI data sample mode mask for \ref SPI_Init(). Indicates that the data should sampled on the leading edge. */
-			#define SPI_SAMPLE_LEADING             0
-
-			/** SPI data sample mode mask for \ref SPI_Init(). Indicates that the data should be sampled on the trailing edge. */
-			#define SPI_SAMPLE_TRAILING            SPI_MODE0_bm
-			//@}
-
-			/** \name SPI Data Ordering Configuration Masks */
-			//@{
-			/** SPI data order mask for \ref SPI_Init(). Indicates that data should be shifted out MSB first. */
-			#define SPI_ORDER_MSB_FIRST            0
-
-			/** SPI data order mask for \ref SPI_Init(). Indicates that data should be shifted out LSB first. */
-			#define SPI_ORDER_LSB_FIRST            SPI_DORD_bm
-			//@}
-
-			/** \name SPI Mode Configuration Masks */
-			//@{
-			/** SPI mode mask for \ref SPI_Init(). Indicates that the SPI interface should be initialized into slave mode. */
-			#define SPI_MODE_SLAVE                 0
-
-			/** SPI mode mask for \ref SPI_Init(). Indicates that the SPI interface should be initialized into master mode. */
-			#define SPI_MODE_MASTER                SPI_MASTER_bm
-			//@}
-
-		/* Inline Functions: */
-			/** Initializes the SPI subsystem, ready for transfers. Must be called before calling any other
-			 *  SPI routines.
-			 *
-			 *  \param[in,out] SPI         Pointer to the base of the SPI peripheral within the device.
-			 *  \param[in]     SPIOptions  SPI Options, a mask consisting of one of each of the \c SPI_SPEED_*,
-			 *                             \c SPI_SCK_*, \c SPI_SAMPLE_*, \c SPI_ORDER_* and \c SPI_MODE_* masks.
-			 */
-			static inline void SPI_Init(SPI_t* const SPI,
-			                            const uint8_t SPIOptions) ATTR_NON_NULL_PTR_ARG(1);
-			static inline void SPI_Init(SPI_t* const SPI,
-			                            const uint8_t SPIOptions)
-			{
-				SPI->CTRL = (SPIOptions | SPI_ENABLE_bm);
-			}
-
-			/** Turns off the SPI driver, disabling and returning used hardware to their default configuration.
-			 *
-			 *  \param[in,out] SPI   Pointer to the base of the SPI peripheral within the device.
-			 */
-			static inline void SPI_Disable(SPI_t* const SPI) ATTR_NON_NULL_PTR_ARG(1);
-			static inline void SPI_Disable(SPI_t* const SPI)
-			{
-				SPI->CTRL &= ~SPI_ENABLE_bm;
-			}
-
-			/** Retrieves the currently selected SPI mode, once the SPI interface has been configured.
-			 *
-			 *  \param[in,out] SPI  Pointer to the base of the SPI peripheral within the device.
-			 *
-			 *  \return \ref SPI_MODE_MASTER if the interface is currently in SPI Master mode, \ref SPI_MODE_SLAVE otherwise
-			 */
-			static inline uint8_t SPI_GetCurrentMode(SPI_t* const SPI) ATTR_ALWAYS_INLINE ATTR_NON_NULL_PTR_ARG(1);
-			static inline uint8_t SPI_GetCurrentMode(SPI_t* const SPI)
-			{
-				return (SPI->CTRL & SPI_MASTER_bm);
-			}
-
-			/** Sends and receives a byte through the SPI interface, blocking until the transfer is complete.
-			 *
-			 *  \param[in,out] SPI   Pointer to the base of the SPI peripheral within the device.
-			 *  \param[in]     Byte  Byte to send through the SPI interface.
-			 *
-			 *  \return Response byte from the attached SPI device.
-			 */
-			static inline uint8_t SPI_TransferByte(SPI_t* const SPI,
-			                                       const uint8_t Byte) ATTR_ALWAYS_INLINE ATTR_NON_NULL_PTR_ARG(1);
-			static inline uint8_t SPI_TransferByte(SPI_t* const SPI,
-			                                       const uint8_t Byte)
-			{
-				SPI->DATA = Byte;
-				while (!(SPI->STATUS & SPI_IF_bm));
-				return SPI->DATA;
-			}
-
-			/** Sends a byte through the SPI interface, blocking until the transfer is complete. The response
-			 *  byte sent to from the attached SPI device is ignored.
-			 *
-			 *  \param[in,out] SPI   Pointer to the base of the SPI peripheral within the device.
-			 *  \param[in]     Byte  Byte to send through the SPI interface.
-			 */
-			static inline void SPI_SendByte(SPI_t* const SPI,
-			                                const uint8_t Byte) ATTR_ALWAYS_INLINE ATTR_NON_NULL_PTR_ARG(1);
-			static inline void SPI_SendByte(SPI_t* const SPI,
-			                                const uint8_t Byte)
-			{
-				SPI->DATA = Byte;
-				while (!(SPI->STATUS & SPI_IF_bm));
-			}
-
-			/** Sends a dummy byte through the SPI interface, blocking until the transfer is complete. The response
-			 *  byte from the attached SPI device is returned.
-			 *
-			 *  \param[in,out] SPI  Pointer to the base of the SPI peripheral within the device.
-			 *
-			 *  \return The response byte from the attached SPI device.
-			 */
-			static inline uint8_t SPI_ReceiveByte(SPI_t* const SPI) ATTR_ALWAYS_INLINE ATTR_WARN_UNUSED_RESULT ATTR_NON_NULL_PTR_ARG(1);
-			static inline uint8_t SPI_ReceiveByte(SPI_t* const SPI)
-			{
-				SPI->DATA = 0;
-				while (!(SPI->STATUS & SPI_IF_bm));
-				return SPI->DATA;
-			}
-
-	/* Disable C linkage for C++ Compilers: */
-		#if defined(__cplusplus)
-			}
-		#endif
-
-#endif
-
-/** @} */
-
diff --git a/lib/lufa/LUFA/Drivers/Peripheral/XMEGA/SerialSPI_XMEGA.h b/lib/lufa/LUFA/Drivers/Peripheral/XMEGA/SerialSPI_XMEGA.h
deleted file mode 100644
index ca3235083c..0000000000
--- a/lib/lufa/LUFA/Drivers/Peripheral/XMEGA/SerialSPI_XMEGA.h
+++ /dev/null
@@ -1,212 +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
- *  \brief Master SPI Mode Serial USART Peripheral Driver (XMEGA)
- *
- *  On-chip Master SPI mode USART driver for the XMEGA AVR microcontrollers.
- *
- *  \note This file should not be included directly. It is automatically included as needed by the SPI Master
- *        Mode USART driver dispatch header located in LUFA/Drivers/Peripheral/Serial.h.
- */
-
-/** \ingroup Group_SerialSPI
- *  \defgroup Group_SerialSPI_XMEGA Master SPI Mode Serial USART Peripheral Driver (XMEGA)
- *
- *  \section Sec_SerialSPI_XMEGA_ModDescription Module Description
- *  On-chip serial USART driver for the XMEGA AVR microcontrollers.
- *
- *  \note This file should not be included directly. It is automatically included as needed by the ADC driver
- *        dispatch header located in LUFA/Drivers/Peripheral/SerialSPI.h.
- *
- *  \section Sec_SerialSPI_XMEGA_ExampleUsage Example Usage
- *  The following snippet is an example of how this module may be used within a typical
- *  application.
- *
- *  \code
- *      // Initialize the Master SPI mode USART driver before first use, with 1Mbit baud
- *      SerialSPI_Init(&USARTD0, (USART_SPI_SCK_LEAD_RISING | USART_SPI_SAMPLE_LEADING | USART_SPI_ORDER_MSB_FIRST), 1000000);
- *
- *      // Send several bytes, ignoring the returned data
- *      SerialSPI_SendByte(&USARTD0, 0x01);
- *      SerialSPI_SendByte(&USARTD0, 0x02);
- *      SerialSPI_SendByte(&USARTD0, 0x03);
- *
- *      // Receive several bytes, sending a dummy 0x00 byte each time
- *      uint8_t Byte1 = SerialSPI_ReceiveByte(&USARTD);
- *      uint8_t Byte2 = SerialSPI_ReceiveByte(&USARTD);
- *      uint8_t Byte3 = SerialSPI_ReceiveByte(&USARTD);
- *
- *      // Send a byte, and store the received byte from the same transaction
- *      uint8_t ResponseByte = SerialSPI_TransferByte(&USARTD0, 0xDC);
- *  \endcode
- *
- *  @{
- */
-
-#ifndef __SERIAL_SPI_XMEGA_H__
-#define __SERIAL_SPI_XMEGA_H__
-
-	/* Includes: */
-		#include "../../../Common/Common.h"
-
-		#include <stdio.h>
-
-	/* Enable C linkage for C++ Compilers: */
-		#if defined(__cplusplus)
-			extern "C" {
-		#endif
-
-	/* Preprocessor Checks: */
-		#if !defined(__INCLUDE_FROM_SERIAL_SPI_H)
-			#error Do not include this file directly. Include LUFA/Drivers/Peripheral/Serial.h instead.
-		#endif
-
-	/* Private Interface - For use in library only: */
-	#if !defined(__DOXYGEN__)
-			#define SERIAL_SPI_UBBRVAL(Baud)       ((Baud < (F_CPU / 2)) ? ((F_CPU / (2 * Baud)) - 1) : 0)
-	#endif
-
-	/* Public Interface - May be used in end-application: */
-		/* Macros: */
-			/** \name SPI SCK Polarity Configuration Masks */
-			//@{
-			/** SPI clock polarity mask for \ref SerialSPI_Init(). Indicates that the SCK should lead on the rising edge. */
-			#define USART_SPI_SCK_LEAD_RISING      0
-			//@}
-
-			/** \name SPI Sample Edge Configuration Masks */
-			//@{
-			/** SPI data sample mode mask for \ref SerialSPI_Init(). Indicates that the data should sampled on the leading edge. */
-			#define USART_SPI_SAMPLE_LEADING       0
-
-			/** SPI data sample mode mask for \ref SerialSPI_Init(). Indicates that the data should be sampled on the trailing edge. */
-			#define USART_SPI_SAMPLE_TRAILING      (1 << 1)
-			//@}
-
-			/** \name SPI Data Ordering Configuration Masks */
-			//@{
-			/** SPI data order mask for \ref SerialSPI_Init(). Indicates that data should be shifted out MSB first. */
-			#define USART_SPI_ORDER_MSB_FIRST      0
-
-			/** SPI data order mask for \ref SerialSPI_Init(). Indicates that data should be shifted out LSB first. */
-			#define USART_SPI_ORDER_LSB_FIRST      (1 << 2)
-			//@}
-
-		/* Inline Functions: */
-			/** Initialize the USART module in Master SPI mode.
-			 *
-			 *  \param[in,out] USART        Pointer to the base of the USART peripheral within the device.
-			 *  \param[in]     SPIOptions   USART SPI Options, a mask consisting of one of each of the \c USART_SPI_SCK_*,
-			 *                              \c USART_SPI_SAMPLE_* and \c USART_SPI_ORDER_* masks.
-			 *  \param[in]     BaudRate     SPI baud rate, in bits per second.
-			 */
-			static inline void SerialSPI_Init(USART_t* const USART,
-			                                  const uint8_t SPIOptions,
-			                                  const uint32_t BaudRate) ATTR_NON_NULL_PTR_ARG(1);
-			static inline void SerialSPI_Init(USART_t* const USART,
-			                                  const uint8_t SPIOptions,
-			                                  const uint32_t BaudRate)
-			{
-				uint16_t BaudValue = SERIAL_SPI_UBBRVAL(BaudRate);
-
-				USART->BAUDCTRLB = (BaudValue >> 8);
-				USART->BAUDCTRLA = (BaudValue & 0xFF);
-
-				USART->CTRLC = (USART_CMODE_MSPI_gc | SPIOptions);
-				USART->CTRLB = (USART_RXEN_bm | USART_TXEN_bm);
-			}
-
-			/** Turns off the USART driver, disabling and returning used hardware to their default configuration.
-			 *
-			 *  \param[in,out] USART  Pointer to the base of the USART peripheral within the device.
-			 */
-			static inline void SerialSPI_Disable(USART_t* const USART) ATTR_ALWAYS_INLINE ATTR_NON_NULL_PTR_ARG(1);
-			static inline void SerialSPI_Disable(USART_t* const USART)
-			{
-				USART->CTRLA = 0;
-				USART->CTRLB = 0;
-				USART->CTRLC = 0;
-			}
-
-			/** Sends and receives a byte through the USART SPI interface, blocking until the transfer is complete.
-			 *
-			 *  \param[in,out] USART     Pointer to the base of the USART peripheral within the device.
-			 *  \param[in]     DataByte  Byte to send through the USART SPI interface.
-			 *
-			 *  \return Response byte from the attached SPI device.
-			 */
-			static inline uint8_t SerialSPI_TransferByte(USART_t* const USART,
-			                                             const uint8_t DataByte) ATTR_ALWAYS_INLINE ATTR_NON_NULL_PTR_ARG(1);
-			static inline uint8_t SerialSPI_TransferByte(USART_t* const USART,
-			                                             const uint8_t DataByte)
-			{
-				USART->DATA   = DataByte;
-				while (!(USART->STATUS & USART_TXCIF_bm));
-				USART->STATUS = USART_TXCIF_bm;
-				return USART->DATA;
-			}
-
-			/** Sends a byte through the USART SPI interface, blocking until the transfer is complete. The response
-			 *  byte sent to from the attached SPI device is ignored.
-			 *
-			 *  \param[in,out] USART     Pointer to the base of the USART peripheral within the device.
-			 *  \param[in]     DataByte  Byte to send through the USART SPI interface.
-			 */
-			static inline void SerialSPI_SendByte(USART_t* const USART,
-			                                      const uint8_t DataByte) ATTR_ALWAYS_INLINE ATTR_NON_NULL_PTR_ARG(1);
-			static inline void SerialSPI_SendByte(USART_t* const USART,
-			                                      const uint8_t DataByte)
-			{
-				SerialSPI_TransferByte(USART, DataByte);
-			}
-
-			/** Sends a dummy byte through the USART SPI interface, blocking until the transfer is complete. The response
-			 *  byte from the attached SPI device is returned.
-			 *
-			 *  \param[in,out] USART  Pointer to the base of the USART peripheral within the device.
-			 *
-			 *  \return The response byte from the attached SPI device.
-			 */
-			static inline uint8_t SerialSPI_ReceiveByte(USART_t* const USART) ATTR_ALWAYS_INLINE ATTR_WARN_UNUSED_RESULT ATTR_NON_NULL_PTR_ARG(1);
-			static inline uint8_t SerialSPI_ReceiveByte(USART_t* const USART)
-			{
-				return SerialSPI_TransferByte(USART, 0);
-			}
-
-	/* Disable C linkage for C++ Compilers: */
-		#if defined(__cplusplus)
-			}
-		#endif
-
-#endif
-
-/** @} */
-
diff --git a/lib/lufa/LUFA/Drivers/Peripheral/XMEGA/Serial_XMEGA.c b/lib/lufa/LUFA/Drivers/Peripheral/XMEGA/Serial_XMEGA.c
deleted file mode 100644
index 9ecda47d2d..0000000000
--- a/lib/lufa/LUFA/Drivers/Peripheral/XMEGA/Serial_XMEGA.c
+++ /dev/null
@@ -1,126 +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.
-*/
-
-#include "../../../Common/Common.h"
-#if (ARCH == ARCH_XMEGA)
-
-#define  __INCLUDE_FROM_SERIAL_C
-#include "../Serial.h"
-
-FILE USARTSerialStream;
-
-int Serial_putchar(char DataByte,
-                   FILE *Stream)
-{
-	USART_t* USART = fdev_get_udata(Stream);
-
-	Serial_SendByte(USART, DataByte);
-	return 0;
-}
-
-int Serial_getchar(FILE *Stream)
-{
-	USART_t* USART = fdev_get_udata(Stream);
-
-	if (!(Serial_IsCharReceived(USART)))
-	  return _FDEV_EOF;
-
-	return Serial_ReceiveByte(USART);
-}
-
-int Serial_getchar_Blocking(FILE *Stream)
-{
-	USART_t* USART = fdev_get_udata(Stream);
-
-	while (!(Serial_IsCharReceived(USART)));
-	return Serial_ReceiveByte(USART);
-}
-
-void Serial_SendString_P(USART_t* const USART,
-                         const char* FlashStringPtr)
-{
-	uint8_t CurrByte;
-
-	while ((CurrByte = pgm_read_byte(FlashStringPtr)) != 0x00)
-	{
-		Serial_SendByte(USART, CurrByte);
-		FlashStringPtr++;
-	}
-}
-
-void Serial_SendString(USART_t* const USART,
-                       const char* StringPtr)
-{
-	uint8_t CurrByte;
-
-	while ((CurrByte = *StringPtr) != 0x00)
-	{
-		Serial_SendByte(USART, CurrByte);
-		StringPtr++;
-	}
-}
-
-void Serial_SendData(USART_t* const USART,
-                     const void* Buffer,
-                     uint16_t Length)
-{
-	uint8_t* CurrByte = (uint8_t*)Buffer;
-
-	while (Length--)
-	  Serial_SendByte(USART, *(CurrByte++));
-}
-
-void Serial_CreateStream(USART_t* USART, FILE* Stream)
-{
-	if (!(Stream))
-	{
-		Stream = &USARTSerialStream;
-		stdin  = Stream;
-		stdout = Stream;
-    }
-
-    *Stream = (FILE)FDEV_SETUP_STREAM(Serial_putchar, Serial_getchar, _FDEV_SETUP_RW);
-    fdev_set_udata(Stream, USART);
-}
-
-void Serial_CreateBlockingStream(USART_t* USART, FILE* Stream)
-{
-	if (!(Stream))
-	{
-		Stream = &USARTSerialStream;
-		stdin  = Stream;
-		stdout = Stream;
-	}
-
-    *Stream = (FILE)FDEV_SETUP_STREAM(Serial_putchar, Serial_getchar_Blocking, _FDEV_SETUP_RW);
-    fdev_set_udata(Stream, USART);
-}
-
-#endif
diff --git a/lib/lufa/LUFA/Drivers/Peripheral/XMEGA/Serial_XMEGA.h b/lib/lufa/LUFA/Drivers/Peripheral/XMEGA/Serial_XMEGA.h
deleted file mode 100644
index 36f507d43e..0000000000
--- a/lib/lufa/LUFA/Drivers/Peripheral/XMEGA/Serial_XMEGA.h
+++ /dev/null
@@ -1,289 +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
- *  \brief Serial USART Peripheral Driver (XMEGA)
- *
- *  On-chip serial USART driver for the XMEGA AVR microcontrollers.
- *
- *  \note This file should not be included directly. It is automatically included as needed by the USART driver
- *        dispatch header located in LUFA/Drivers/Peripheral/Serial.h.
- */
-
-/** \ingroup Group_Serial
- *  \defgroup Group_Serial_XMEGA Serial USART Peripheral Driver (XMEGA)
- *
- *  \section Sec_Serial_XMEGA_ModDescription Module Description
- *  On-chip serial USART driver for the XMEGA AVR microcontrollers.
- *
- *  \note This file should not be included directly. It is automatically included as needed by the USART driver
- *        dispatch header located in LUFA/Drivers/Peripheral/Serial.h.
- *
- *  \section Sec_Serial_XMEGA_ExampleUsage Example Usage
- *  The following snippet is an example of how this module may be used within a typical
- *  application.
- *
- *  \code
- *      // Initialize the serial USART driver before first use, with 9600 baud (and no double-speed mode)
- *      Serial_Init(&USARTD0, 9600, false);
- *
- *      // Send a string through the USART
- *      Serial_TxString(&USARTD0, "Test String\r\n");
- *
- *      // Receive a byte through the USART
- *      uint8_t DataByte = Serial_RxByte(&USARTD0);
- *  \endcode
- *
- *  @{
- */
-
-#ifndef __SERIAL_XMEGA_H__
-#define __SERIAL_XMEGA_H__
-
-	/* Includes: */
-		#include "../../../Common/Common.h"
-		#include "../../Misc/TerminalCodes.h"
-
-		#include <stdio.h>
-
-	/* Enable C linkage for C++ Compilers: */
-		#if defined(__cplusplus)
-			extern "C" {
-		#endif
-
-	/* Preprocessor Checks: */
-		#if !defined(__INCLUDE_FROM_SERIAL_H) && !defined(__INCLUDE_FROM_SERIAL_C)
-			#error Do not include this file directly. Include LUFA/Drivers/Peripheral/Serial.h instead.
-		#endif
-
-	/* Private Interface - For use in library only: */
-	#if !defined(__DOXYGEN__)
-		/* External Variables: */
-			extern FILE USARTSerialStream;
-
-		/* Function Prototypes: */
-			int Serial_putchar(char DataByte,
-			                   FILE *Stream);
-			int Serial_getchar(FILE *Stream);
-			int Serial_getchar_Blocking(FILE *Stream);
-	#endif
-
-	/* Public Interface - May be used in end-application: */
-		/* Macros: */
-			/** Macro for calculating the baud value from a given baud rate when the \c U2X (double speed) bit is
-			 *  not set.
-			 *
-			 *  \param[in] Baud  Target serial UART baud rate.
-			 *
-			 *  \return Closest UBRR register value for the given UART frequency.
-			 */
-			#define SERIAL_UBBRVAL(Baud)    ((((F_CPU / 16) + (Baud / 2)) / (Baud)) - 1)
-
-			/** Macro for calculating the baud value from a given baud rate when the \c U2X (double speed) bit is
-			 *  set.
-			 *
-			 *  \param[in] Baud  Target serial UART baud rate.
-			 *
-			 *  \return Closest UBRR register value for the given UART frequency.
-			 */
-			#define SERIAL_2X_UBBRVAL(Baud) ((((F_CPU / 8) + (Baud / 2)) / (Baud)) - 1)
-
-		/* Function Prototypes: */
-			/** Transmits a given string located in program space (FLASH) through the USART.
-			 *
-			 *  \param[in,out] USART           Pointer to the base of the USART peripheral within the device.
-			 *  \param[in]     FlashStringPtr  Pointer to a string located in program space.
-			 */
-			void Serial_SendString_P(USART_t* const USART,
-			                         const char* FlashStringPtr) ATTR_NON_NULL_PTR_ARG(1);
-
-			/** Transmits a given string located in SRAM memory through the USART.
-			 *
-			 *  \param[in,out] USART      Pointer to the base of the USART peripheral within the device.
-			 *  \param[in]     StringPtr  Pointer to a string located in SRAM space.
-			 */
-			void Serial_SendString(USART_t* const USART,
-			                       const char* StringPtr) ATTR_NON_NULL_PTR_ARG(1);
-
-			/** Transmits a given buffer located in SRAM memory through the USART.
-			 *
-			 *  \param[in,out] USART   Pointer to the base of the USART peripheral within the device.
-			 *  \param[in]     Buffer  Pointer to a buffer containing the data to send.
-			 *  \param[in]     Length  Length of the data to send, in bytes.
-			 */
-			void Serial_SendData(USART_t* const USART,
-			                     const void* Buffer,
-			                     uint16_t Length) ATTR_NON_NULL_PTR_ARG(1);
-
-			/** Creates a standard character stream from the USART so that it can be used with all the regular functions
-			 *  in the avr-libc \c <stdio.h> library that accept a \c FILE stream as a destination (e.g. \c fprintf). The created
-			 *  stream is bidirectional and can be used for both input and output functions.
-			 *
-			 *  Reading data from this stream is non-blocking, i.e. in most instances, complete strings cannot be read in by a single
-			 *  fetch, as the endpoint will not be ready at some point in the transmission, aborting the transfer. However, this may
-			 *  be used when the read data is processed byte-per-bye (via \c getc()) or when the user application will implement its own
-			 *  line buffering.
-			 *
-			 *  \param[in,out] USART   Pointer to the base of the USART peripheral within the device.
-			 *  \param[in,out] Stream  Pointer to a FILE structure where the created stream should be placed, if \c NULL, \c stdout
-			 *                         and \c stdin will be configured to use the USART.
-			 *
-			 *  \pre The USART must first be configured via a call to \ref Serial_Init() before the stream is used.
-			 */
-			void Serial_CreateStream(USART_t* USART, FILE* Stream);
-
-            /** Identical to \ref Serial_CreateStream(), except that reads are blocking until the calling stream function terminates
-			 *  the transfer.
-			 *
-			 *  \param[in,out] USART   Pointer to the base of the USART peripheral within the device.
-			 *  \param[in,out] Stream  Pointer to a FILE structure where the created stream should be placed, if \c NULL, \c stdout
-			 *                         and \c stdin will be configured to use the USART.
-			 *
-			 *  \pre The USART must first be configured via a call to \ref Serial_Init() before the stream is used.
-			 */
-			void Serial_CreateBlockingStream(USART_t* USART, FILE* Stream);
-
-		/* Inline Functions: */
-			/** Initializes the USART, ready for serial data transmission and reception. This initializes the interface to
-			 *  standard 8-bit, no parity, 1 stop bit settings suitable for most applications.
-			 *
-			 *  \param[in,out] USART        Pointer to the base of the USART peripheral within the device.
-			 *  \param[in]     BaudRate     Serial baud rate, in bits per second. This should be the target baud rate regardless of
-			 *                              the \c DoubleSpeed parameter's value.
-			 *  \param[in]     DoubleSpeed  Enables double speed mode when set, halving the sample time to double the baud rate.
-			 */
-			static inline void Serial_Init(USART_t* const USART,
-			                               const uint32_t BaudRate,
-			                               const bool DoubleSpeed) ATTR_NON_NULL_PTR_ARG(1);
-			static inline void Serial_Init(USART_t* const USART,
-			                               const uint32_t BaudRate,
-			                               const bool DoubleSpeed)
-			{
-				uint16_t BaudValue = (DoubleSpeed ? SERIAL_2X_UBBRVAL(BaudRate) : SERIAL_UBBRVAL(BaudRate));
-
-				USART->BAUDCTRLB = (BaudValue >> 8);
-				USART->BAUDCTRLA = (BaudValue & 0xFF);
-
-				USART->CTRLC = (USART_CMODE_ASYNCHRONOUS_gc | USART_PMODE_DISABLED_gc | USART_CHSIZE_8BIT_gc);
-				USART->CTRLB = (USART_RXEN_bm | USART_TXEN_bm | (DoubleSpeed ? USART_CLK2X_bm : 0));
-			}
-
-			/** Turns off the USART driver, disabling and returning used hardware to their default configuration.
-			 *
-			 *  \param[in,out] USART  Pointer to the base of the USART peripheral within the device.
-			 */
-			static inline void Serial_Disable(USART_t* const USART) ATTR_ALWAYS_INLINE ATTR_NON_NULL_PTR_ARG(1);
-			static inline void Serial_Disable(USART_t* const USART)
-			{
-				USART->CTRLA = 0;
-				USART->CTRLB = 0;
-				USART->CTRLC = 0;
-			}
-
-			/** Indicates whether a character has been received through the USART.
-			 *
-			 *  \param[in,out] USART  Pointer to the base of the USART peripheral within the device.
-			 *
-			 *  \return Boolean \c true if a character has been received, \c false otherwise.
-			 */
-			static inline bool Serial_IsCharReceived(USART_t* const USART) ATTR_ALWAYS_INLINE ATTR_WARN_UNUSED_RESULT ATTR_NON_NULL_PTR_ARG(1);
-			static inline bool Serial_IsCharReceived(USART_t* const USART)
-			{
-				return ((USART->STATUS & USART_RXCIF_bm) ? true : false);
-			}
-
-			/** Indicates whether there is hardware buffer space for a new transmit on the USART. This
-			 *  function can be used to determine if a call to \ref Serial_SendByte() will block in advance.
-			 *
-			 *  \param[in,out] USART  Pointer to the base of the USART peripheral within the device.
-			 *
-			 *  \return Boolean \c true if a character can be queued for transmission immediately, \c false otherwise.
-			 */
-			static inline bool Serial_IsSendReady(USART_t* const USART) ATTR_ALWAYS_INLINE ATTR_WARN_UNUSED_RESULT ATTR_NON_NULL_PTR_ARG(1);
-			static inline bool Serial_IsSendReady(USART_t* const USART)
-			{
-				return (USART->STATUS & USART_DREIF_bm) ? true : false;
-			}
-
-			/** Indicates whether the hardware USART transmit buffer is completely empty, indicating all
-			 *  pending transmissions have completed.
-			 *
-			 *  \param[in,out] USART  Pointer to the base of the USART peripheral within the device.
-			 *
-			 *  \return Boolean \c true if no characters are buffered for transmission, \c false otherwise.
-			 */
-			static inline bool Serial_IsSendComplete(USART_t* const USART) ATTR_ALWAYS_INLINE ATTR_WARN_UNUSED_RESULT ATTR_NON_NULL_PTR_ARG(1);
-			static inline bool Serial_IsSendComplete(USART_t* const USART)
-			{
-				return (USART->STATUS & USART_TXCIF_bm) ? true : false;
-			}
-
-			/** Transmits a given byte through the USART.
-			 *
-			 *  \note If no buffer space is available in the hardware USART, this function will block. To check if
-			 *        space is available before calling this function, see \ref Serial_IsSendReady().
-			 *
-			 *  \param[in,out] USART     Pointer to the base of the USART peripheral within the device.
-			 *  \param[in]     DataByte  Byte to transmit through the USART.
-			 */
-			static inline void Serial_SendByte(USART_t* const USART,
-			                                   const char DataByte) ATTR_ALWAYS_INLINE ATTR_NON_NULL_PTR_ARG(1);
-			static inline void Serial_SendByte(USART_t* const USART,
-			                                   const char DataByte)
-			{
-				while (!(Serial_IsSendReady(USART)));
-				USART->DATA = DataByte;
-			}
-
-			/** Receives the next byte from the USART.
-			 *
-			 *  \param[in,out] USART  Pointer to the base of the USART peripheral within the device.
-			 *
-			 *  \return Next byte received from the USART, or a negative value if no byte has been received.
-			 */
-			static inline int16_t Serial_ReceiveByte(USART_t* const USART) ATTR_ALWAYS_INLINE ATTR_NON_NULL_PTR_ARG(1);
-			static inline int16_t Serial_ReceiveByte(USART_t* const USART)
-			{
-				if (!(Serial_IsCharReceived(USART)))
-				  return -1;
-
-				USART->STATUS = USART_RXCIF_bm;
-				return USART->DATA;
-			}
-