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

1 files changed, 0 insertions, 234 deletions

diff --git a/lib/lufa/Demos/Host/LowLevel/VirtualSerialHost/ConfigDescriptor.c b/lib/lufa/Demos/Host/LowLevel/VirtualSerialHost/ConfigDescriptor.c
deleted file mode 100644
index fa5312ffe2..0000000000
--- a/lib/lufa/Demos/Host/LowLevel/VirtualSerialHost/ConfigDescriptor.c
+++ /dev/null
@@ -1,234 +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"
-
-/** 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 CDC interface descriptor containing bulk data IN and OUT endpoints, and an interrupt event endpoint.
- *
- *  \return An error code from the \ref CDCHost_GetConfigDescriptorDataCodes_t enum.
- */
-uint8_t ProcessConfigurationDescriptor(void)
-{
-	uint8_t  ConfigDescriptorData[512];
-	void*    CurrConfigLocation = ConfigDescriptorData;
-	uint16_t CurrConfigBytesRem;
-
-	USB_Descriptor_Interface_t* CDCControlInterface  = NULL;
-	USB_Descriptor_Endpoint_t*  DataINEndpoint       = NULL;
-	USB_Descriptor_Endpoint_t*  DataOUTEndpoint      = NULL;
-	USB_Descriptor_Endpoint_t*  NotificationEndpoint = 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) || !(DataOUTEndpoint) || !(NotificationEndpoint))
-	{
-		/* See if we've found a likely compatible interface, and if there is an endpoint within that interface */
-		if (!(CDCControlInterface) ||
-		    USB_GetNextDescriptorComp(&CurrConfigBytesRem, &CurrConfigLocation,
-		                              DComp_NextCDCDataInterfaceEndpoint) != DESCRIPTOR_SEARCH_COMP_Found)
-		{
-			/* Check if we have already found the control interface's notification endpoint or not */
-			if (NotificationEndpoint)
-			{
-				/* Get the next CDC data interface from the configuration descriptor */
-				if (USB_GetNextDescriptorComp(&CurrConfigBytesRem, &CurrConfigLocation,
-											  DComp_NextCDCDataInterface) != DESCRIPTOR_SEARCH_COMP_Found)
-				{
-					/* Descriptor not found, error out */
-					return NoCompatibleInterfaceFound;
-				}
-
-				/* Clear any found endpoints */
-				DataINEndpoint       = NULL;
-				DataOUTEndpoint      = NULL;
-			}
-			else
-			{
-				/* Get the next CDC control interface from the configuration descriptor */
-				if (USB_GetNextDescriptorComp(&CurrConfigBytesRem, &CurrConfigLocation,
-											  DComp_NextCDCControlInterface) != DESCRIPTOR_SEARCH_COMP_Found)
-				{
-					/* Descriptor not found, error out */
-					return NoCompatibleInterfaceFound;
-				}
-
-				/* Save the interface in case we need to refer back to it later */
-				CDCControlInterface = DESCRIPTOR_PCAST(CurrConfigLocation, USB_Descriptor_Interface_t);
-
-				/* Clear any found endpoints */
-				NotificationEndpoint = NULL;
-			}
-
-			/* 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);
-
-		/* If the endpoint is a IN type endpoint */
-		if ((EndpointData->EndpointAddress & ENDPOINT_DIR_MASK) == ENDPOINT_DIR_IN)
-		{
-			/* Check if the found endpoint is a interrupt or bulk type descriptor */
-			if ((EndpointData->Attributes & EP_TYPE_MASK) == EP_TYPE_INTERRUPT)
-			  NotificationEndpoint = EndpointData;
-			else
-			  DataINEndpoint = EndpointData;
-		}
-		else
-		{
-			DataOUTEndpoint = EndpointData;
-		}
-	}
-
-	/* Configure the CDC data IN pipe */
-	Pipe_ConfigurePipe(CDC_DATA_IN_PIPE, EP_TYPE_BULK, DataINEndpoint->EndpointAddress, DataINEndpoint->EndpointSize, 1);
-
-	/* Configure the CDC data OUT pipe */
-	Pipe_ConfigurePipe(CDC_DATA_OUT_PIPE, EP_TYPE_BULK, DataOUTEndpoint->EndpointAddress, DataOUTEndpoint->EndpointSize, 1);
-
-	/* Configure the CDC notification pipe */
-	Pipe_ConfigurePipe(CDC_NOTIFICATION_PIPE, EP_TYPE_INTERRUPT, NotificationEndpoint->EndpointAddress, NotificationEndpoint->EndpointSize, 1);
-	Pipe_SetInterruptPeriod(NotificationEndpoint->PollingIntervalMS);
-
-	/* 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 CDC control Class, Subclass and Protocol values.
- *
- *  \return A value from the DSEARCH_Return_ErrorCodes_t enum
- */
-uint8_t DComp_NextCDCControlInterface(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);
-
-		/* Check the CDC descriptor class, subclass and protocol, break out if correct control interface found */
-		if ((Interface->Class    == CDC_CSCP_CDCClass)    &&
-		    (Interface->SubClass == CDC_CSCP_ACMSubclass) &&
-		    (Interface->Protocol == CDC_CSCP_ATCommandProtocol))
-		{
-			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 CDC data Class, Subclass and Protocol values.
- *
- *  \return A value from the DSEARCH_Return_ErrorCodes_t enum
- */
-uint8_t DComp_NextCDCDataInterface(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);
-
-		/* Check the CDC descriptor class, subclass and protocol, break out if correct data interface found */
-		if ((Interface->Class    == CDC_CSCP_CDCDataClass)   &&
-		    (Interface->SubClass == CDC_CSCP_NoDataSubclass) &&
-		    (Interface->Protocol == CDC_CSCP_NoDataProtocol))
-		{
-			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 bulk IN or OUT endpoint, or interrupt IN endpoint within the current interface,
- *  aborting the search if another interface descriptor is found before the required endpoint (so that it may be compared
- *  using a different comparator to determine if it is another CDC class interface).
- *
- *  \return A value from the DSEARCH_Return_ErrorCodes_t enum
- */
-uint8_t DComp_NextCDCDataInterfaceEndpoint(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_BULK) ||
-		    ((Endpoint->Attributes & EP_TYPE_MASK) == EP_TYPE_INTERRUPT))
-		{
-			return DESCRIPTOR_SEARCH_Found;
-		}
-	}
-	else if (Header->Type == DTYPE_Interface)
-	{
-		return DESCRIPTOR_SEARCH_Fail;
-	}
-
-	return DESCRIPTOR_SEARCH_NotFound;
-}
-