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

9 files changed, 0 insertions, 3268 deletions

diff --git a/lib/lufa/Demos/Host/LowLevel/AudioInputHost/AudioInputHost.c b/lib/lufa/Demos/Host/LowLevel/AudioInputHost/AudioInputHost.c
deleted file mode 100644
index 9db4798a56..0000000000
--- a/lib/lufa/Demos/Host/LowLevel/AudioInputHost/AudioInputHost.c
+++ /dev/null
@@ -1,250 +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 AudioInputHost demo. This file contains the main tasks of
- *  the demo and is responsible for the initial application hardware configuration.
- */
-
-#include "AudioInputHost.h"
-
-/** Main program entry point. This routine configures the hardware required by the application, then
- *  enters a loop to run the application tasks in sequence.
- */
-int main(void)
-{
-	SetupHardware();
-
-	puts_P(PSTR(ESC_FG_CYAN "Audio Input Host Demo running.\r\n" ESC_FG_WHITE));
-
-	LEDs_SetAllLEDs(LEDMASK_USB_NOTREADY);
-	GlobalInterruptEnable();
-
-	for (;;)
-	{
-		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);
-#endif
-
-	/* Hardware Initialization */
-	Serial_Init(9600, false);
-	LEDs_Init();
-	USB_Init();
-
-	/* Create a stdio stream for the serial port for stdin and stdout */
-	Serial_CreateStream(NULL);
-}
-
-/** Event handler for the USB_DeviceAttached event. This indicates that a device has been attached to the host, and
- *  starts the library USB task to begin the enumeration and USB management process.
- */
-void EVENT_USB_Host_DeviceAttached(void)
-{
-	puts_P(PSTR(ESC_FG_GREEN "Device Attached.\r\n" ESC_FG_WHITE));
-	LEDs_SetAllLEDs(LEDMASK_USB_ENUMERATING);
-}
-
-/** Event handler for the USB_DeviceUnattached event. This indicates that a device has been removed from the host, and
- *  stops the library USB task management process.
- */
-void EVENT_USB_Host_DeviceUnattached(void)
-{
-	puts_P(PSTR(ESC_FG_GREEN "Device Unattached.\r\n" ESC_FG_WHITE));
-	LEDs_SetAllLEDs(LEDMASK_USB_NOTREADY);
-}
-
-/** Event handler for the USB_DeviceEnumerationComplete event. This indicates that a device has been successfully
- *  enumerated by the host and is now ready to be used by the application.
- */
-void EVENT_USB_Host_DeviceEnumerationComplete(void)
-{
-	puts_P(PSTR("Getting Config Data.\r\n"));
-
-	uint8_t ErrorCode;
-
-	/* Get and process the configuration descriptor data */
-	if ((ErrorCode = ProcessConfigurationDescriptor()) != SuccessfulConfigRead)
-	{
-		if (ErrorCode == ControlError)
-		  puts_P(PSTR(ESC_FG_RED "Control Error (Get Configuration).\r\n"));
-		else
-		  puts_P(PSTR(ESC_FG_RED "Invalid Device.\r\n"));
-
-		printf_P(PSTR(" -- Error Code: %d\r\n" ESC_FG_WHITE), ErrorCode);
-
-		LEDs_SetAllLEDs(LEDMASK_USB_ERROR);
-		return;
-	}
-
-	/* Set the device configuration to the first configuration (rarely do devices use multiple configurations) */
-	if ((ErrorCode = USB_Host_SetDeviceConfiguration(1)) != HOST_SENDCONTROL_Successful)
-	{
-		printf_P(PSTR(ESC_FG_RED "Control Error (Set Configuration).\r\n"
-		                         " -- Error Code: %d\r\n" ESC_FG_WHITE), ErrorCode);
-
-		LEDs_SetAllLEDs(LEDMASK_USB_ERROR);
-		return;
-	}
-
-	if ((ErrorCode = USB_Host_SetInterfaceAltSetting(StreamingInterfaceIndex,
-	                                                 StreamingInterfaceAltSetting)) != HOST_SENDCONTROL_Successful)
-	{
-		printf_P(PSTR(ESC_FG_RED "Could not set alternative streaming interface setting.\r\n"
-		                         " -- Error Code: %d\r\n" ESC_FG_WHITE), ErrorCode);
-
-		LEDs_SetAllLEDs(LEDMASK_USB_ERROR);
-		USB_Host_SetDeviceConfiguration(0);
-		return;
-	}
-
-	USB_ControlRequest = (USB_Request_Header_t)
-		{
-			.bmRequestType = (REQDIR_HOSTTODEVICE | REQTYPE_CLASS | REQREC_ENDPOINT),
-			.bRequest      = AUDIO_REQ_SetCurrent,
-			.wValue        = (AUDIO_EPCONTROL_SamplingFreq << 8),
-			.wIndex        = StreamingEndpointAddress,
-			.wLength       = sizeof(USB_Audio_SampleFreq_t),
-		};
-
-	USB_Audio_SampleFreq_t SampleRate = AUDIO_SAMPLE_FREQ(48000);
-
-	/* Select the control pipe for the request transfer */
-	Pipe_SelectPipe(PIPE_CONTROLPIPE);
-
-	/* Set the sample rate on the streaming interface endpoint */
-	if ((ErrorCode = USB_Host_SendControlRequest(&SampleRate)) != HOST_SENDCONTROL_Successful)
-	{
-		printf_P(PSTR(ESC_FG_RED "Could not set requested Audio sample rate.\r\n"
-		                         " -- Error Code: %d\r\n" ESC_FG_WHITE), ErrorCode);
-
-		LEDs_SetAllLEDs(LEDMASK_USB_ERROR);
-		USB_Host_SetDeviceConfiguration(0);
-		return;
-	}
-
-	/* Sample reload timer initialization */
-	TIMSK0  = (1 << OCIE0A);
-	OCR0A   = ((F_CPU / 8 / 48000) - 1);
-	TCCR0A  = (1 << WGM01);  // CTC mode
-	TCCR0B  = (1 << CS01);   // Fcpu/8 speed
-
-	/* Set speaker as output */
-	DDRC   |= (1 << 6);
-
-	/* PWM speaker timer initialization */
-	TCCR3A  = ((1 << WGM30) | (1 << COM3A1) | (1 << COM3A0)); // Set on match, clear on TOP
-	TCCR3B  = ((1 << WGM32) | (1 << CS30));  // Fast 8-Bit PWM, F_CPU speed
-
-	puts_P(PSTR("Microphone Enumerated.\r\n"));
-	LEDs_SetAllLEDs(LEDMASK_USB_READY);
-}
-
-/** Event handler for the USB_HostError event. This indicates that a hardware error occurred while in host mode. */
-void EVENT_USB_Host_HostError(const uint8_t ErrorCode)
-{
-	USB_Disable();
-
-	printf_P(PSTR(ESC_FG_RED "Host Mode Error\r\n"
-	                         " -- Error Code %d\r\n" ESC_FG_WHITE), ErrorCode);
-
-	LEDs_SetAllLEDs(LEDMASK_USB_ERROR);
-	for(;;);
-}
-
-/** Event handler for the USB_DeviceEnumerationFailed event. This indicates that a problem occurred while
- *  enumerating an attached USB device.
- */
-void EVENT_USB_Host_DeviceEnumerationFailed(const uint8_t ErrorCode,
-                                            const uint8_t SubErrorCode)
-{
-	printf_P(PSTR(ESC_FG_RED "Dev Enum Error\r\n"
-	                         " -- Error Code %d\r\n"
-	                         " -- Sub Error Code %d\r\n"
-	                         " -- In State %d\r\n" ESC_FG_WHITE), ErrorCode, SubErrorCode, USB_HostState);
-
-	LEDs_SetAllLEDs(LEDMASK_USB_ERROR);
-}
-
-/** ISR to handle the reloading of the PWM timer with the next sample. */
-ISR(TIMER0_COMPA_vect, ISR_BLOCK)
-{
-	uint8_t PrevPipe = Pipe_GetCurrentPipe();
-
-	Pipe_SelectPipe(AUDIO_DATA_IN_PIPE);
-	Pipe_Unfreeze();
-
-	/* Check if the current pipe can be read from (contains a packet) and the device is sending data */
-	if (Pipe_IsINReceived())
-	{
-		/* Retrieve the signed 16-bit audio sample, convert to 8-bit */
-		int8_t Sample_8Bit = (Pipe_Read_16_LE() >> 8);
-
-		/* Check to see if the bank is now empty */
-		if (!(Pipe_IsReadWriteAllowed()))
-		{
-			/* Acknowledge the packet, clear the bank ready for the next packet */
-			Pipe_ClearIN();
-		}
-
-		/* Load the sample into the PWM timer channel */
-		OCR3A = (Sample_8Bit ^ (1 << 7));
-
-		uint8_t LEDMask = LEDS_NO_LEDS;
-
-		/* Turn on LEDs as the sample amplitude increases */
-		if (Sample_8Bit > 16)
-		  LEDMask = (LEDS_LED1 | LEDS_LED2 | LEDS_LED3 | LEDS_LED4);
-		else if (Sample_8Bit > 8)
-		  LEDMask = (LEDS_LED1 | LEDS_LED2 | LEDS_LED3);
-		else if (Sample_8Bit > 4)
-		  LEDMask = (LEDS_LED1 | LEDS_LED2);
-		else if (Sample_8Bit > 2)
-		  LEDMask = (LEDS_LED1);
-
-		LEDs_SetAllLEDs(LEDMask);
-	}
-
-	Pipe_Freeze();
-	Pipe_SelectPipe(PrevPipe);
-}
-
diff --git a/lib/lufa/Demos/Host/LowLevel/AudioInputHost/AudioInputHost.h b/lib/lufa/Demos/Host/LowLevel/AudioInputHost/AudioInputHost.h
deleted file mode 100644
index cc83270f61..0000000000
--- a/lib/lufa/Demos/Host/LowLevel/AudioInputHost/AudioInputHost.h
+++ /dev/null
@@ -1,79 +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
- *
- *  Header file for AudioInputHost.c.
- */
-
-#ifndef _AUDIO_INPUT_HOST_H_
-#define _AUDIO_INPUT_HOST_H_
-
-	/* Includes: */
-		#include <avr/io.h>
-		#include <avr/wdt.h>
-		#include <avr/pgmspace.h>
-		#include <avr/power.h>
-		#include <avr/interrupt.h>
-		#include <stdio.h>
-
-		#include <LUFA/Drivers/Misc/TerminalCodes.h>
-		#include <LUFA/Drivers/USB/USB.h>
-		#include <LUFA/Drivers/Peripheral/Serial.h>
-		#include <LUFA/Drivers/Board/LEDs.h>
-		#include <LUFA/Platform/Platform.h>
-
-		#include "ConfigDescriptor.h"
-
-	/* Macros: */
-		/** LED mask for the library LED driver, to indicate that the USB interface is not ready. */
-		#define LEDMASK_USB_NOTREADY      LEDS_LED1
-
-		/** LED mask for the library LED driver, to indicate that the USB interface is enumerating. */
-		#define LEDMASK_USB_ENUMERATING  (LEDS_LED2 | LEDS_LED3)
-
-		/** LED mask for the library LED driver, to indicate that the USB interface is ready. */
-		#define LEDMASK_USB_READY        (LEDS_LED2 | LEDS_LED4)
-
-		/** LED mask for the library LED driver, to indicate that an error has occurred in the USB interface. */
-		#define LEDMASK_USB_ERROR        (LEDS_LED1 | LEDS_LED3)
-
-	/* Function Prototypes: */
-		void SetupHardware(void);
-
-		void EVENT_USB_Host_HostError(const uint8_t ErrorCode);
-		void EVENT_USB_Host_DeviceAttached(void);
-		void EVENT_USB_Host_DeviceUnattached(void);
-		void EVENT_USB_Host_DeviceEnumerationFailed(const uint8_t ErrorCode,
-		                                            const uint8_t SubErrorCode);
-		void EVENT_USB_Host_DeviceEnumerationComplete(void);
-
-#endif
-
diff --git a/lib/lufa/Demos/Host/LowLevel/AudioInputHost/AudioInputHost.txt b/lib/lufa/Demos/Host/LowLevel/AudioInputHost/AudioInputHost.txt
deleted file mode 100644
index 0736e0df47..0000000000
--- a/lib/lufa/Demos/Host/LowLevel/AudioInputHost/AudioInputHost.txt
+++ /dev/null
@@ -1,66 +0,0 @@
-/** \file
- *
- *  This file contains special DoxyGen information for the generation of the main page and other special
- *  documentation pages. It is not a project source file.
- */
-
-/** \mainpage Audio Input Host Demo
- *
- *  \section Sec_Compat Demo Compatibility:
- *
- *  The following list indicates what microcontrollers are compatible with this demo.
- *
- *  \li Series 7 USB AVRs (AT90USBxxx7)
- *
- *  \section Sec_Info USB Information:
- *
- *  The following table gives a rundown of the USB utilization of this demo.
- *
- *  <table>
- *   <tr>
- *    <td><b>USB Mode:</b></td>
- *    <td>Host</td>
- *   </tr>
- *   <tr>
- *    <td><b>USB Class:</b></td>
- *    <td>Audio Class</td>
- *   </tr>
- *   <tr>
- *    <td><b>USB Subclass:</b></td>
- *    <td>Standard Audio Device</td>
- *   </tr>
- *   <tr>
- *    <td><b>Relevant Standards:</b></td>
- *    <td>USBIF Audio 1.0 Class Specification \n
- *        USBIF Audio 1.0 Class Terminal Types Specification \n
- *        USBIF Audio 1.0 Data Formats Specification</td>
- *   </tr>
- *   <tr>
- *    <td><b>Supported USB Speeds:</b></td>
- *    <td>Full Speed Mode</td>
- *   </tr>
- *  </table>
- *
- *  \section Sec_Description Project Description:
- *
- *  Audio Input host demonstration application. This gives a simple reference
- *  application for implementing a USB Audio host, for USB Audio devices using
- *  the USB Audio 1.0 class profile.
- *
- *  Incoming audio will output in 8-bit PWM onto the timer 3 output compare
- *  channel A, and will also be indicated on the board LEDs. Decouple the PWM
- *  output with a capacitor and attach to a speaker to hear the audio.
- *
- *  \section Sec_Options Project Options
- *
- *  The following defines can be found in this demo, which can control the demo behaviour when defined, or changed in value.
- *
- *  <table>
- *   <tr>
- *    <td>
- *     None
- *    </td>
- *   </tr>
- *  </table>
- */
-
diff --git a/lib/lufa/Demos/Host/LowLevel/AudioInputHost/Config/LUFAConfig.h b/lib/lufa/Demos/Host/LowLevel/AudioInputHost/Config/LUFAConfig.h
deleted file mode 100644
index 197122fce1..0000000000
--- a/lib/lufa/Demos/Host/LowLevel/AudioInputHost/Config/LUFAConfig.h
+++ /dev/null
@@ -1,93 +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 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_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      {Insert Value Here}
-//		#define DEVICE_STATE_AS_GPIOR            {Insert Value Here}
-//		#define FIXED_NUM_CONFIGURATIONS         {Insert Value Here}
-//		#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/lib/lufa/Demos/Host/LowLevel/AudioInputHost/ConfigDescriptor.c b/lib/lufa/Demos/Host/LowLevel/AudioInputHost/ConfigDescriptor.c
deleted file mode 100644
index 81ebf9d85f..0000000000
--- a/lib/lufa/Demos/Host/LowLevel/AudioInputHost/ConfigDescriptor.c
+++ /dev/null
@@ -1,220 +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
- *
- *  USB Device Configuration Descriptor processing routines, to determine the correct pipe configurations
- *  needed to communication with an attached USB device. Descriptors are special  computer-readable structures
- *  which the host requests upon device enumeration, to determine the device's capabilities and functions.
- */
-
-#include "ConfigDescriptor.h"
-
-/** Index of the currently used Audio Streaming Interface within the device. */
-uint8_t StreamingInterfaceIndex      = 0;
-
-/** Alternative Setting of the currently used Audio Streaming Interface within the device. */
-uint8_t StreamingInterfaceAltSetting = 0;
-
-/** Address of the streaming audio endpoint currently in use within the device. */
-uint8_t StreamingEndpointAddress     = 0;
-
-
-/** Reads and processes an attached device's descriptors, to determine compatibility and pipe configurations. This
- *  routine will read in the entire configuration descriptor, and configure the hosts pipes to correctly communicate
- *  with compatible devices.
- *
- *  This routine searches for a Streaming Audio interface descriptor containing a valid Isochronous audio endpoint.
- *
- *  \return An error code from the \ref AudioHost_GetConfigDescriptorDataCodes_t enum.
- */
-uint8_t ProcessConfigurationDescriptor(void)
-{
-	uint8_t  ConfigDescriptorData[512];
-	void*    CurrConfigLocation = ConfigDescriptorData;
-	uint16_t CurrConfigBytesRem;
-
-	USB_Descriptor_Interface_t* AudioControlInterface   = NULL;
-	USB_Descriptor_Interface_t* AudioStreamingInterface = NULL;
-	USB_Descriptor_Endpoint_t*  DataINEndpoint          = NULL;
-
-	/* Retrieve the entire configuration descriptor into the allocated buffer */
-	switch (USB_Host_GetDeviceConfigDescriptor(1, &CurrConfigBytesRem, ConfigDescriptorData, sizeof(ConfigDescriptorData)))
-	{
-		case HOST_GETCONFIG_Successful:
-			break;
-		case HOST_GETCONFIG_InvalidData:
-			return InvalidConfigDataReturned;
-		case HOST_GETCONFIG_BuffOverflow:
-			return DescriptorTooLarge;
-		default:
-			return ControlError;
-	}
-
-	while (!(DataINEndpoint))
-	{
-		/* See if we've found a likely compatible interface, and if there is an endpoint within that interface */
-		if (!(AudioControlInterface) ||
-		    USB_GetNextDescriptorComp(&CurrConfigBytesRem, &CurrConfigLocation,
-		                              DComp_NextAudioInterfaceDataEndpoint) != DESCRIPTOR_SEARCH_COMP_Found)
-		{
-			/* Check if we haven't found an Audio Control interface yet, or if we have run out of related Audio Streaming interfaces */
-			if (!(AudioControlInterface) ||
-			    USB_GetNextDescriptorComp(&CurrConfigBytesRem, &CurrConfigLocation,
-			                              DComp_NextAudioStreamInterface) != DESCRIPTOR_SEARCH_COMP_Found)
-			{
-				/* Find a new Audio Control interface if the current one doesn't contain a compatible streaming interface */
-				if (USB_GetNextDescriptorComp(&CurrConfigBytesRem, &CurrConfigLocation,
-				                              DComp_NextAudioControlInterface) != DESCRIPTOR_SEARCH_COMP_Found)
-				{
-					/* Descriptor not found, error out */
-					return NoCompatibleInterfaceFound;
-				}
-
-				/* Save the interface in case we need to refer back to it later */
-				AudioControlInterface = DESCRIPTOR_PCAST(CurrConfigLocation, USB_Descriptor_Interface_t);
-
-				/* Find the next Audio Streaming interface within that Audio Control interface */
-				if (USB_GetNextDescriptorComp(&CurrConfigBytesRem, &CurrConfigLocation,
-				                              DComp_NextAudioStreamInterface) != DESCRIPTOR_SEARCH_COMP_Found)
-				{
-					/* Descriptor not found, error out */
-					return NoCompatibleInterfaceFound;
-				}
-			}
-
-			/* Save the interface in case we need to refer back to it later */
-			AudioStreamingInterface = DESCRIPTOR_PCAST(CurrConfigLocation, USB_Descriptor_Interface_t);
-
-			/* Skip the remainder of the loop as we have not found an endpoint yet */
-			continue;
-		}
-
-		/* Retrieve the endpoint address from the endpoint descriptor */
-		USB_Descriptor_Endpoint_t* EndpointData = DESCRIPTOR_PCAST(CurrConfigLocation, USB_Descriptor_Endpoint_t);
-
-		/* Save the endpoint if it is an IN type endpoint */
-		if ((EndpointData->EndpointAddress & ENDPOINT_DIR_MASK) == ENDPOINT_DIR_IN)
-		  DataINEndpoint = EndpointData;
-	}
-
-	StreamingInterfaceIndex      = AudioStreamingInterface->InterfaceNumber;
-	StreamingInterfaceAltSetting = AudioStreamingInterface->AlternateSetting;
-	StreamingEndpointAddress     = DataINEndpoint->EndpointAddress;
-
-	/* Configure the Audio data IN pipe */
-	Pipe_ConfigurePipe(AUDIO_DATA_IN_PIPE, EP_TYPE_ISOCHRONOUS, DataINEndpoint->EndpointAddress, DataINEndpoint->EndpointSize, 2);
-
-	/* Valid data found, return success */
-	return SuccessfulConfigRead;
-}
-
-/** Descriptor comparator function. This comparator function is can be called while processing an attached USB device's
- *  configuration descriptor, to search for a specific sub descriptor. It can also be used to abort the configuration
- *  descriptor processing if an incompatible descriptor configuration is found.
- *
- *  This comparator searches for the next Interface descriptor of the correct Audio Control Class, Subclass and Protocol values.
- *
- *  \return A value from the DSEARCH_Return_ErrorCodes_t enum
- */
-uint8_t DComp_NextAudioControlInterface(void* CurrentDescriptor)
-{
-	USB_Descriptor_Header_t* Header = DESCRIPTOR_PCAST(CurrentDescriptor, USB_Descriptor_Header_t);
-
-	if (Header->Type == DTYPE_Interface)
-	{
-		USB_Descriptor_Interface_t* Interface = DESCRIPTOR_PCAST(CurrentDescriptor, USB_Descriptor_Interface_t);
-
-		if ((Interface->Class    == AUDIO_CSCP_AudioClass) &&
-		    (Interface->SubClass == AUDIO_CSCP_ControlSubclass) &&
-		    (Interface->Protocol == AUDIO_CSCP_ControlProtocol))
-		{
-			return DESCRIPTOR_SEARCH_Found;
-		}
-	}
-
-	return DESCRIPTOR_SEARCH_NotFound;
-}
-
-/** Descriptor comparator function. This comparator function is can be called while processing an attached USB device's
- *  configuration descriptor, to search for a specific sub descriptor. It can also be used to abort the configuration
- *  descriptor processing if an incompatible descriptor configuration is found.
- *
- *  This comparator searches for the next Interface descriptor of the correct Audio Streaming Class, Subclass and Protocol values.
- *
- *  \return A value from the DSEARCH_Return_ErrorCodes_t enum
- */
-uint8_t DComp_NextAudioStreamInterface(void* CurrentDescriptor)
-{
-	USB_Descriptor_Header_t* Header = DESCRIPTOR_PCAST(CurrentDescriptor, USB_Descriptor_Header_t);
-
-	if (Header->Type == DTYPE_Interface)
-	{
-		USB_Descriptor_Interface_t* Interface = DESCRIPTOR_PCAST(CurrentDescriptor, USB_Descriptor_Interface_t);
-
-		if ((Interface->Class    == AUDIO_CSCP_AudioClass) &&
-		    (Interface->SubClass == AUDIO_CSCP_AudioStreamingSubclass) &&
-		    (Interface->Protocol == AUDIO_CSCP_StreamingProtocol))
-		{
-			return DESCRIPTOR_SEARCH_Found;
-		}
-	}
-
-	return DESCRIPTOR_SEARCH_NotFound;
-}
-
-/** Descriptor comparator function. This comparator function is can be called while processing an attached USB device's
- *  configuration descriptor, to search for a specific sub descriptor. It can also be used to abort the configuration
- *  descriptor processing if an incompatible descriptor configuration is found.
- *
- *  This comparator searches for the next Isochronous Endpoint descriptor within the current interface, aborting the
- *  search if another interface descriptor is found before the next endpoint.
- *
- *  \return A value from the DSEARCH_Return_ErrorCodes_t enum
- */
-uint8_t DComp_NextAudioInterfaceDataEndpoint(void* CurrentDescriptor)
-{
-	USB_Descriptor_Header_t* Header = DESCRIPTOR_PCAST(CurrentDescriptor, USB_Descriptor_Header_t);
-
-	if (Header->Type == DTYPE_Endpoint)
-	{
-		USB_Descriptor_Endpoint_t* Endpoint = DESCRIPTOR_PCAST(CurrentDescriptor, USB_Descriptor_Endpoint_t);
-
-		if ((Endpoint->Attributes & EP_TYPE_MASK) == EP_TYPE_ISOCHRONOUS)
-		  return DESCRIPTOR_SEARCH_Found;
-	}
-	else if (Header->Type == DTYPE_Interface)
-	{
-		return DESCRIPTOR_SEARCH_Fail;
-	}
-
-	return DESCRIPTOR_SEARCH_NotFound;
-}
-
diff --git a/lib/lufa/Demos/Host/LowLevel/AudioInputHost/ConfigDescriptor.h b/lib/lufa/Demos/Host/LowLevel/AudioInputHost/ConfigDescriptor.h
deleted file mode 100644
index 036319d723..0000000000
--- a/lib/lufa/Demos/Host/LowLevel/AudioInputHost/ConfigDescriptor.h
+++ /dev/null
@@ -1,72 +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
- *
- *  Header file for ConfigDescriptor.c.
- */
-
-#ifndef _CONFIGDESCRIPTOR_H_
-#define _CONFIGDESCRIPTOR_H_
-
-	/* Includes: */
-		#include <LUFA/Drivers/USB/USB.h>
-
-		#include "AudioInputHost.h"
-
-	/* Macros: */
-		/** Pipe address for the Audio data IN pipe. */
-		#define AUDIO_DATA_IN_PIPE          (PIPE_DIR_IN | 1)
-
-	/* Enums: */
-		/** Enum for the possible return codes of the \ref ProcessConfigurationDescriptor() function. */
-		enum AudioHost_GetConfigDescriptorDataCodes_t
-		{
-			SuccessfulConfigRead            = 0, /**< Configuration Descriptor was processed successfully */
-			ControlError                    = 1, /**< A control request to the device failed to complete successfully */
-			DescriptorTooLarge              = 2, /**< The device's Configuration Descriptor is too large to process */
-			InvalidConfigDataReturned       = 3, /**< The device returned an invalid Configuration Descriptor */
-			NoCompatibleInterfaceFound      = 4, /**< A compatible interface with the required endpoints was not found */
-		};
-
-	/* External Variables: */
-		extern uint8_t StreamingInterfaceIndex;
-		extern uint8_t StreamingInterfaceAltSetting;
-		extern uint8_t StreamingEndpointAddress;
-
-	/* Function Prototypes: */
-		uint8_t ProcessConfigurationDescriptor(void);
-
-		uint8_t DComp_NextAudioControlInterface(void* CurrentDescriptor);
-		uint8_t DComp_NextAudioStreamInterface(void* CurrentDescriptor);
-		uint8_t DComp_NextAudioInterfaceDataEndpoint(void* CurrentDescriptor);
-
-#endif
-
diff --git a/lib/lufa/Demos/Host/LowLevel/AudioInputHost/asf.xml b/lib/lufa/Demos/Host/LowLevel/AudioInputHost/asf.xml
deleted file mode 100644
index 2967050572..0000000000
--- a/lib/lufa/Demos/Host/LowLevel/AudioInputHost/asf.xml
+++ /dev/null
@@ -1,50 +0,0 @@
-<asf xmlversion="1.0">
-	<project caption="Audio Input Host Demo (Low Level APIs)" id="lufa.demos.host.lowlevel.audio_input.example.avr8">
-		<require idref="lufa.demos.host.lowlevel.audio_input"/>
-		<require idref="lufa.boards.dummy.avr8"/>
-		<generator value="as5_8"/>
-
-		<device-support value="at90usb1287"/>
-		<config name="lufa.drivers.board.name" value="none"/>
-
-		<build type="define" name="F_CPU" value="16000000UL"/>
-		<build type="define" name="F_USB" value="16000000UL"/>
-	</project>
-
-	<module type="application" id="lufa.demos.host.lowlevel.audio_input" caption="Audio Input Host Demo (Low Level APIs)">
-		<info type="description" value="summary">
-		Audio Input Host demo, implementing a basic USB audio sink that can output incoming audio data to a speaker. This demo uses the Low Level LUFA APIs to manually implement a USB Class for demonstration purposes without using the simpler in-built LUFA Class Driver APIs.
-		</info>
-
- 		<info type="gui-flag" value="move-to-root"/>
-
-		<info type="keyword" value="Technology">
-			<keyword value="Low Level APIs"/>
-			<keyword value="USB Host"/>
-			<keyword value="Audio Class"/>
-		</info>
-
-		<device-support-alias value="lufa_avr8"/>
-		<device-support-alias value="lufa_xmega"/>
-		<device-support-alias value="lufa_uc3"/>
-
-		<build type="distribute" subtype="user-file" value="doxyfile"/>
-		<build type="distribute" subtype="user-file" value="AudioInputHost.txt"/>
-
-		<build type="c-source" value="AudioInputHost.c"/>
-		<build type="c-source" value="ConfigDescriptor.c"/>
-		<build type="header-file" value="AudioInputHost.h"/>
-		<build type="header-file" value="ConfigDescriptor.h"/>
-
-		<build type="module-config" subtype="path" value="Config"/>
-		<build type="header-file" value="Config/LUFAConfig.h"/>
-
-		<require idref="lufa.common"/>
-		<require idref="lufa.platform"/>
-		<require idref="lufa.drivers.usb"/>
-		<require idref="lufa.drivers.peripheral.usart"/>
-		<require idref="lufa.drivers.misc.ansi"/>
-		<require idref="lufa.drivers.board"/>
-		<require idref="lufa.drivers.board.leds"/>
-	</module>
-</asf>
diff --git a/lib/lufa/Demos/Host/LowLevel/AudioInputHost/doxyfile b/lib/lufa/Demos/Host/LowLevel/AudioInputHost/doxyfile
deleted file mode 100644
index dda0086588..0000000000
--- a/lib/lufa/Demos/Host/LowLevel/AudioInputHost/doxyfile
+++ /dev/null
@@ -1,2395 +0,0 @@
-# Doxyfile 1.8.9
-
-# This file descri