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, 198 deletions

diff --git a/lib/lufa/Bootloaders/HID/BootloaderHID.c b/lib/lufa/Bootloaders/HID/BootloaderHID.c
deleted file mode 100644
index fa1dd5873e..0000000000
--- a/lib/lufa/Bootloaders/HID/BootloaderHID.c
+++ /dev/null
@@ -1,198 +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 HID class bootloader. This file contains the complete bootloader logic.
- */
-
-#include "BootloaderHID.h"
-
-/** Flag to indicate if the bootloader should be running, or should exit and allow the application code to run
- *  via a soft reset. When cleared, the bootloader will abort, the USB interface will shut down and the application
- *  started via a forced watchdog reset.
- */
-static bool RunBootloader = true;
-
-/** Magic lock for forced application start. If the HWBE fuse is programmed and BOOTRST is unprogrammed, the bootloader
- *  will start if the /HWB line of the AVR is held low and the system is reset. However, if the /HWB line is still held
- *  low when the application attempts to start via a watchdog reset, the bootloader will re-start. If set to the value
- *  \ref MAGIC_BOOT_KEY the special init function \ref Application_Jump_Check() will force the application to start.
- */
-uint16_t MagicBootKey ATTR_NO_INIT;
-
-
-/** Special startup routine to check if the bootloader was started via a watchdog reset, and if the magic application
- *  start key has been loaded into \ref MagicBootKey. If the bootloader started via the watchdog and the key is valid,
- *  this will force the user application to start via a software jump.
- */
-void Application_Jump_Check(void)
-{
-	/* If the reset source was the bootloader and the key is correct, clear it and jump to the application */
-	if ((MCUSR & (1 << WDRF)) && (MagicBootKey == MAGIC_BOOT_KEY))
-	{
-		/* Turn off the watchdog */
-		MCUSR &= ~(1 << WDRF);
-		wdt_disable();
-
-		/* Clear the boot key and jump to the user application */
-		MagicBootKey = 0;
-
-		// cppcheck-suppress constStatement
-		((void (*)(void))0x0000)();
-	}
-}
-
-/** Main program entry point. This routine configures the hardware required by the bootloader, then continuously
- *  runs the bootloader processing routine until instructed to soft-exit.
- */
-int main(void)
-{
-	/* Setup hardware required for the bootloader */
-	SetupHardware();
-
-	/* Enable global interrupts so that the USB stack can function */
-	GlobalInterruptEnable();
-
-	while (RunBootloader)
-	  USB_USBTask();
-
-	/* Disconnect from the host - USB interface will be reset later along with the AVR */
-	USB_Detach();
-
-	/* Unlock the forced application start mode of the bootloader if it is restarted */
-	MagicBootKey = MAGIC_BOOT_KEY;
-
-	/* Enable the watchdog and force a timeout to reset the AVR */
-	wdt_enable(WDTO_250MS);
-
-	for (;;);
-}
-
-/** Configures all hardware required for the bootloader. */
-static void SetupHardware(void)
-{
-	/* Disable watchdog if enabled by bootloader/fuses */
-	MCUSR &= ~(1 << WDRF);
-	wdt_disable();
-
-	/* Disable clock division */
-	clock_prescale_set(clock_div_1);
-
-	/* Relocate the interrupt vector table to the bootloader section */
-	MCUCR = (1 << IVCE);
-	MCUCR = (1 << IVSEL);
-
-	/* Initialize USB subsystem */
-	USB_Init();
-}
-
-/** Event handler for the USB_ConfigurationChanged event. This configures the device's endpoints ready
- *  to relay data to and from the attached USB host.
- */
-void EVENT_USB_Device_ConfigurationChanged(void)
-{
-	/* Setup HID Report Endpoint */
-	Endpoint_ConfigureEndpoint(HID_IN_EPADDR, EP_TYPE_INTERRUPT, HID_IN_EPSIZE, 1);
-}
-
-/** 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)
-{
-	/* Ignore any requests that aren't directed to the HID interface */
-	if ((USB_ControlRequest.bmRequestType & (CONTROL_REQTYPE_TYPE | CONTROL_REQTYPE_RECIPIENT)) !=
-	    (REQTYPE_CLASS | REQREC_INTERFACE))
-	{
-		return;
-	}
-
-	/* Process HID specific control requests */
-	switch (USB_ControlRequest.bRequest)
-	{
-		case HID_REQ_SetReport:
-			Endpoint_ClearSETUP();
-
-			/* Wait until the command has been sent by the host */
-			while (!(Endpoint_IsOUTReceived()));
-
-			/* Read in the write destination address */
-			#if (FLASHEND > 0xFFFF)
-			uint32_t PageAddress = ((uint32_t)Endpoint_Read_16_LE() << 8);
-			#else
-			uint16_t PageAddress = Endpoint_Read_16_LE();
-			#endif
-
-			/* Check if the command is a program page command, or a start application command */
-			#if (FLASHEND > 0xFFFF)
-			if ((uint16_t)(PageAddress >> 8) == COMMAND_STARTAPPLICATION)
-			#else
-			if (PageAddress == COMMAND_STARTAPPLICATION)
-			#endif
-			{
-				RunBootloader = false;
-			}
-			else if (PageAddress < BOOT_START_ADDR)
-			{
-				/* Erase the given FLASH page, ready to be programmed */
-				boot_page_erase(PageAddress);
-				boot_spm_busy_wait();
-
-				/* Write each of the FLASH page's bytes in sequence */
-				for (uint8_t PageWord = 0; PageWord < (SPM_PAGESIZE / 2); PageWord++)
-				{
-					/* Check if endpoint is empty - if so clear it and wait until ready for next packet */
-					if (!(Endpoint_BytesInEndpoint()))
-					{
-						Endpoint_ClearOUT();
-						while (!(Endpoint_IsOUTReceived()));
-					}
-
-					/* Write the next data word to the FLASH page */
-					boot_page_fill(PageAddress + ((uint16_t)PageWord << 1), Endpoint_Read_16_LE());
-				}
-
-				/* Write the filled FLASH page to memory */
-				boot_page_write(PageAddress);
-				boot_spm_busy_wait();
-
-				/* Re-enable RWW section */
-				boot_rww_enable();
-			}
-
-			Endpoint_ClearOUT();
-
-			Endpoint_ClearStatusStage();
-			break;
-	}
-}
-