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, 332 deletions

diff --git a/lib/lufa/Demos/Device/LowLevel/MassStorage/MassStorage.c b/lib/lufa/Demos/Device/LowLevel/MassStorage/MassStorage.c
deleted file mode 100644
index f30969c671..0000000000
--- a/lib/lufa/Demos/Device/LowLevel/MassStorage/MassStorage.c
+++ /dev/null
@@ -1,332 +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 Mass Storage demo. This file contains the main tasks of the demo and
- *  is responsible for the initial application hardware configuration.
- */
-
-#define  INCLUDE_FROM_MASSSTORAGE_C
-#include "MassStorage.h"
-
-/** Structure to hold the latest Command Block Wrapper issued by the host, containing a SCSI command to execute. */
-MS_CommandBlockWrapper_t  CommandBlock;
-
-/** Structure to hold the latest Command Status Wrapper to return to the host, containing the status of the last issued command. */
-MS_CommandStatusWrapper_t CommandStatus = { .Signature = MS_CSW_SIGNATURE };
-
-/** Flag to asynchronously abort any in-progress data transfers upon the reception of a mass storage reset command. */
-volatile bool IsMassStoreReset = false;
-
-
-/** 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();
-
-	LEDs_SetAllLEDs(LEDMASK_USB_NOTREADY);
-	GlobalInterruptEnable();
-
-	for (;;)
-	{
-		MassStorage_Task();
-		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 */
-	LEDs_Init();
-	Dataflash_Init();
-	USB_Init();
-
-	/* Check if the Dataflash is working, abort if not */
-	if (!(DataflashManager_CheckDataflashOperation()))
-	{
-		LEDs_SetAllLEDs(LEDMASK_USB_ERROR);
-		for(;;);
-	}
-
-	/* Clear Dataflash sector protections, if enabled */
-	DataflashManager_ResetDataflashProtections();
-}
-
-/** Event handler for the USB_Connect event. This indicates that the device is enumerating via the status LEDs. */
-void EVENT_USB_Device_Connect(void)
-{
-	/* Indicate USB enumerating */
-	LEDs_SetAllLEDs(LEDMASK_USB_ENUMERATING);
-
-	/* Reset the MSReset flag upon connection */
-	IsMassStoreReset = false;
-}
-
-/** Event handler for the USB_Disconnect event. This indicates that the device is no longer connected to a host via
- *  the status LEDs and stops the Mass Storage management task.
- */
-void EVENT_USB_Device_Disconnect(void)
-{
-	/* Indicate USB not ready */
-	LEDs_SetAllLEDs(LEDMASK_USB_NOTREADY);
-}
-
-/** Event handler for the USB_ConfigurationChanged event. This is fired when the host set the current configuration
- *  of the USB device after enumeration - the device endpoints are configured and the Mass Storage management task started.
- */
-void EVENT_USB_Device_ConfigurationChanged(void)
-{
-	bool ConfigSuccess = true;
-
-	/* Setup Mass Storage Data Endpoints */
-	ConfigSuccess &= Endpoint_ConfigureEndpoint(MASS_STORAGE_IN_EPADDR,  EP_TYPE_BULK, MASS_STORAGE_IO_EPSIZE, 1);
-	ConfigSuccess &= Endpoint_ConfigureEndpoint(MASS_STORAGE_OUT_EPADDR, EP_TYPE_BULK, MASS_STORAGE_IO_EPSIZE, 1);
-
-	/* Indicate endpoint configuration success or failure */
-	LEDs_SetAllLEDs(ConfigSuccess ? LEDMASK_USB_READY : LEDMASK_USB_ERROR);
-}
-
-/** Event handler for the USB_ControlRequest event. This is used to catch and process control requests sent to
- *  the device from the USB host before passing along unhandled control requests to the library for processing
- *  internally.
- */
-void EVENT_USB_Device_ControlRequest(void)
-{
-	/* Process UFI specific control requests */
-	switch (USB_ControlRequest.bRequest)
-	{
-		case MS_REQ_MassStorageReset:
-			if (USB_ControlRequest.bmRequestType == (REQDIR_HOSTTODEVICE | REQTYPE_CLASS | REQREC_INTERFACE))
-			{
-				Endpoint_ClearSETUP();
-				Endpoint_ClearStatusStage();
-
-				/* Indicate that the current transfer should be aborted */
-				IsMassStoreReset = true;
-			}
-
-			break;
-		case MS_REQ_GetMaxLUN:
-			if (USB_ControlRequest.bmRequestType == (REQDIR_DEVICETOHOST | REQTYPE_CLASS | REQREC_INTERFACE))
-			{
-				Endpoint_ClearSETUP();
-
-				/* Indicate to the host the number of supported LUNs (virtual disks) on the device */
-				Endpoint_Write_8(TOTAL_LUNS - 1);
-
-				Endpoint_ClearIN();
-				Endpoint_ClearStatusStage();
-			}
-
-			break;
-	}
-}
-
-/** Task to manage the Mass Storage interface, reading in Command Block Wrappers from the host, processing the SCSI commands they
- *  contain, and returning Command Status Wrappers back to the host to indicate the success or failure of the last issued command.
- */
-void MassStorage_Task(void)
-{
-	/* Device must be connected and configured for the task to run */
-	if (USB_DeviceState != DEVICE_STATE_Configured)
-	  return;
-
-	/* Process sent command block from the host if one has been sent */
-	if (ReadInCommandBlock())
-	{
-		/* Indicate busy */
-		LEDs_SetAllLEDs(LEDMASK_USB_BUSY);
-
-		/* Check direction of command, select Data IN endpoint if data is from the device */
-		if (CommandBlock.Flags & MS_COMMAND_DIR_DATA_IN)
-		  Endpoint_SelectEndpoint(MASS_STORAGE_IN_EPADDR);
-
-		/* Decode the received SCSI command, set returned status code */
-		CommandStatus.Status = SCSI_DecodeSCSICommand() ? MS_SCSI_COMMAND_Pass : MS_SCSI_COMMAND_Fail;
-
-		/* Load in the CBW tag into the CSW to link them together */
-		CommandStatus.Tag = CommandBlock.Tag;
-
-		/* Load in the data residue counter into the CSW */
-		CommandStatus.DataTransferResidue = CommandBlock.DataTransferLength;
-
-		/* Stall the selected data pipe if command failed (if data is still to be transferred) */
-		if ((CommandStatus.Status == MS_SCSI_COMMAND_Fail) && (CommandStatus.DataTransferResidue))
-		  Endpoint_StallTransaction();
-
-		/* Return command status block to the host */
-		ReturnCommandStatus();
-
-		/* Indicate ready */
-		LEDs_SetAllLEDs(LEDMASK_USB_READY);
-	}
-
-	/* Check if a Mass Storage Reset occurred */
-	if (IsMassStoreReset)
-	{
-		/* Reset the data endpoint banks */
-		Endpoint_ResetEndpoint(MASS_STORAGE_OUT_EPADDR);
-		Endpoint_ResetEndpoint(MASS_STORAGE_IN_EPADDR);
-
-		Endpoint_SelectEndpoint(MASS_STORAGE_OUT_EPADDR);
-		Endpoint_ClearStall();
-		Endpoint_ResetDataToggle();
-		Endpoint_SelectEndpoint(MASS_STORAGE_IN_EPADDR);
-		Endpoint_ClearStall();
-		Endpoint_ResetDataToggle();
-
-		/* Clear the abort transfer flag */
-		IsMassStoreReset = false;
-	}
-}
-
-/** Function to read in a command block from the host, via the bulk data OUT endpoint. This function reads in the next command block
- *  if one has been issued, and performs validation to ensure that the block command is valid.
- *
- *  \return Boolean \c true if a valid command block has been read in from the endpoint, \c false otherwise
- */
-static bool ReadInCommandBlock(void)
-{
-	uint16_t BytesTransferred;
-
-	/* Select the Data Out endpoint */
-	Endpoint_SelectEndpoint(MASS_STORAGE_OUT_EPADDR);
-
-	/* Abort if no command has been sent from the host */
-	if (!(Endpoint_IsOUTReceived()))
-	  return false;
-
-	/* Read in command block header */
-	BytesTransferred = 0;
-	while (Endpoint_Read_Stream_LE(&CommandBlock, (sizeof(CommandBlock) - sizeof(CommandBlock.SCSICommandData)),
-	                               &BytesTransferred) == ENDPOINT_RWSTREAM_IncompleteTransfer)
-	{
-		/* Check if the current command is being aborted by the host */
-		if (IsMassStoreReset)
-		  return false;
-	}
-
-	/* Verify the command block - abort if invalid */
-	if ((CommandBlock.Signature         != MS_CBW_SIGNATURE) ||
-	    (CommandBlock.LUN               >= TOTAL_LUNS)       ||
-		(CommandBlock.Flags              & 0x1F)             ||
-		(CommandBlock.SCSICommandLength == 0)                ||
-		(CommandBlock.SCSICommandLength >  sizeof(CommandBlock.SCSICommandData)))
-	{
-		/* Stall both data pipes until reset by host */
-		Endpoint_StallTransaction();
-		Endpoint_SelectEndpoint(MASS_STORAGE_IN_EPADDR);
-		Endpoint_StallTransaction();
-
-		return false;
-	}
-
-	/* Read in command block command data */
-	BytesTransferred = 0;
-	while (Endpoint_Read_Stream_LE(&CommandBlock.SCSICommandData, CommandBlock.SCSICommandLength,
-	                               &BytesTransferred) == ENDPOINT_RWSTREAM_IncompleteTransfer)
-	{
-		/* Check if the current command is being aborted by the host */
-		if (IsMassStoreReset)
-		  return false;
-	}
-
-	/* Finalize the stream transfer to send the last packet */
-	Endpoint_ClearOUT();
-
-	return true;
-}
-
-/** Returns the filled Command Status Wrapper back to the host via the bulk data IN endpoint, waiting for the host to clear any
- *  stalled data endpoints as needed.
- */
-static void ReturnCommandStatus(void)
-{
-	uint16_t BytesTransferred;
-
-	/* Select the Data Out endpoint */
-	Endpoint_SelectEndpoint(MASS_STORAGE_OUT_EPADDR);
-
-	/* While data pipe is stalled, wait until the host issues a control request to clear the stall */
-	while (Endpoint_IsStalled())
-	{
-		/* Check if the current command is being aborted by the host */
-		if (IsMassStoreReset)
-		  return;
-	}
-
-	/* Select the Data In endpoint */
-	Endpoint_SelectEndpoint(MASS_STORAGE_IN_EPADDR);
-
-	/* While data pipe is stalled, wait until the host issues a control request to clear the stall */
-	while (Endpoint_IsStalled())
-	{
-		/* Check if the current command is being aborted by the host */
-		if (IsMassStoreReset)
-		  return;
-	}
-
-	/* Write the CSW to the endpoint */
-	BytesTransferred = 0;
-	while (Endpoint_Write_Stream_LE(&CommandStatus, sizeof(CommandStatus),
-	                                &BytesTransferred) == ENDPOINT_RWSTREAM_IncompleteTransfer)
-	{
-		/* Check if the current command is being aborted by the host */
-		if (IsMassStoreReset)
-		  return;
-	}
-
-	/* Finalize the stream transfer to send the last packet */
-	Endpoint_ClearIN();
-}
-