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, 487 deletions

diff --git a/lib/lufa/Bootloaders/Printer/BootloaderPrinter.c b/lib/lufa/Bootloaders/Printer/BootloaderPrinter.c
deleted file mode 100644
index 9021f998f7..0000000000
--- a/lib/lufa/Bootloaders/Printer/BootloaderPrinter.c
+++ /dev/null
@@ -1,487 +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 Printer class bootloader. This file contains the complete bootloader logic.
- */
-
-#include "BootloaderPrinter.h"
-
-/** LUFA Printer Class driver interface configuration and state information. This structure is
- *  passed to all Printer Class driver functions, so that multiple instances of the same class
- *  within a device can be differentiated from one another.
- */
-USB_ClassInfo_PRNT_Device_t TextOnly_Printer_Interface =
-	{
-		.Config =
-			{
-				.InterfaceNumber          = INTERFACE_ID_Printer,
-				.DataINEndpoint           =
-					{
-						.Address          = PRINTER_IN_EPADDR,
-						.Size             = PRINTER_IO_EPSIZE,
-						.Banks            = 1,
-					},
-				.DataOUTEndpoint =
-					{
-						.Address          = PRINTER_OUT_EPADDR,
-						.Size             = PRINTER_IO_EPSIZE,
-						.Banks            = 1,
-					},
-				.IEEE1284String =
-					"MFG:Generic;"
-					"MDL:Generic_/_Text_Only;"
-					"CMD:1284.4;"
-					"CLS:PRINTER",
-			},
-	};
-
-/** Intel HEX parser state machine state information, to track the contents of
- *  a HEX file streamed in as a sequence of arbitrary bytes.
- */
-struct
-{
-	/** Current HEX parser state machine state. */
-	uint8_t  ParserState;
-	/** Previously decoded numerical byte of data. */
-	uint8_t  PrevData;
-	/** Currently decoded numerical byte of data. */
-	uint8_t  Data;
-	/** Indicates if both bytes that correspond to a single decoded numerical
-	 *  byte of data (HEX encodes values in ASCII HEX, two characters per byte)
-	 *  have been read.
-	 */
-	bool     ReadMSB;
-	/** Intel HEX record type of the current Intel HEX record. */
-	uint8_t  RecordType;
-	/** Numerical bytes of data remaining to be read in the current record. */
-	uint8_t  DataRem;
-	/** Checksum of the current record received so far. */
-	uint8_t  Checksum;
-	/** Starting address of the last addressed FLASH page. */
-	uint32_t PageStartAddress;
-	/** Current 32-bit byte extended base address in FLASH being targeted. */
-	uint32_t CurrBaseAddress;
-	/** Current 32-bit byte address in FLASH being targeted. */
-	uint32_t CurrAddress;
-} HEXParser;
-
-/** Indicates if there is data waiting to be written to a physical page of
- *  memory in FLASH.
- */
-static bool PageDirty = false;
-
-/** 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)
-{
-	bool JumpToApplication = false;
-
-	#if (BOARD == BOARD_LEONARDO)
-		/* Enable pull-up on the IO13 pin so we can use it to select the mode */
-		PORTC |= (1 << 7);
-		Delay_MS(10);
-
-		/* If IO13 is not jumpered to ground, start the user application instead */
-		JumpToApplication = ((PINC & (1 << 7)) != 0);
-
-		/* Disable pull-up after the check has completed */
-		PORTC &= ~(1 << 7);
-	#elif ((BOARD == BOARD_XPLAIN) || (BOARD == BOARD_XPLAIN_REV1))
-		/* Disable JTAG debugging */
-		JTAG_DISABLE();
-
-		/* Enable pull-up on the JTAG TCK pin so we can use it to select the mode */
-		PORTF |= (1 << 4);
-		Delay_MS(10);
-
-		/* If the TCK pin is not jumpered to ground, start the user application instead */
-		JumpToApplication = ((PINF & (1 << 4)) != 0);
-
-		/* Re-enable JTAG debugging */
-		JTAG_ENABLE();
-	#else
-		/* Check if the device's BOOTRST fuse is set */
-		if (boot_lock_fuse_bits_get(GET_HIGH_FUSE_BITS) & FUSE_BOOTRST)
-		{
-			/* If the reset source was not an external reset or the key is correct, clear it and jump to the application */
-			if (!(MCUSR & (1 << EXTRF)) || (MagicBootKey == MAGIC_BOOT_KEY))
-			  JumpToApplication = true;
-
-			/* Clear reset source */
-			MCUSR &= ~(1 << EXTRF);
-		}
-		else
-		{
-			/* If the reset source was the bootloader and the key is correct, clear it and jump to the application;
-			 * this can happen in the HWBE fuse is set, and the HBE pin is low during the watchdog reset */
-			if ((MCUSR & (1 << WDRF)) && (MagicBootKey == MAGIC_BOOT_KEY))
-				JumpToApplication = true;
-
-			/* Clear reset source */
-			MCUSR &= ~(1 << WDRF);
-		}
-	#endif
-
-	/* Don't run the user application if the reset vector is blank (no app loaded) */
-	bool ApplicationValid = (pgm_read_word_near(0) != 0xFFFF);
-
-	/* If a request has been made to jump to the user application, honor it */
-	if (JumpToApplication && ApplicationValid)
-	{
-		/* 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)();
-	}
-}
-
-/**
- * Converts a given input byte of data from an ASCII encoded HEX value to an integer value.
- *
- * \note Input HEX bytes are expected to be in uppercase only.
- *
- * \param[in] Byte  ASCII byte of data to convert
- *
- * \return Integer converted value of the input ASCII encoded HEX byte of data, or -1 if the
- *         input is not valid ASCII encoded HEX.
- */
-static int8_t HexToDecimal(const char Byte)
-{
-	if ((Byte >= 'A') && (Byte <= 'F'))
-	  return (10 + (Byte - 'A'));
-	else if ((Byte >= '0') && (Byte <= '9'))
-	  return (Byte - '0');
-
-	return -1;
-}
-
-/**
- * Flushes a partially written page of data to physical FLASH, if a page
- * boundary has been crossed.
- *
- * \note If a page flush occurs the global HEX parser state is updated.
- */
-static void FlushPageIfRequired(void)
-{
-	/* Abort if no data has been buffered for writing to the current page */
-	if (!PageDirty)
-	  return;
-
-	/* Flush the FLASH page to physical memory if we are crossing a page boundary */
-	uint32_t NewPageStartAddress = (HEXParser.CurrAddress & ~(SPM_PAGESIZE - 1));
-	if (HEXParser.PageStartAddress != NewPageStartAddress)
-	{
-		boot_page_write(HEXParser.PageStartAddress);
-		boot_spm_busy_wait();
-
-		HEXParser.PageStartAddress = NewPageStartAddress;
-
-		PageDirty = false;
-	}
-}
-
-/**
- * Parses an input Intel HEX formatted stream one character at a time, loading
- * the data contents into the device's internal FLASH memory.
- *
- * \param[in] ReadCharacter  Next input ASCII byte of data to parse
- */
-static void ParseIntelHEXByte(const char ReadCharacter)
-{
-	/* Reset the line parser while waiting for a new line to start */
-	if ((HEXParser.ParserState == HEX_PARSE_STATE_WAIT_LINE) || (ReadCharacter == ':'))
-	{
-		HEXParser.Checksum     = 0;
-		HEXParser.CurrAddress  = HEXParser.CurrBaseAddress;
-		HEXParser.ReadMSB      = false;
-
-		/* ASCII ':' indicates the start of a new HEX record */
-		if (ReadCharacter == ':')
-		  HEXParser.ParserState = HEX_PARSE_STATE_BYTE_COUNT;
-
-		return;
-	}
-
-	/* Only allow ASCII HEX encoded digits, ignore all other characters */
-	int8_t ReadCharacterDec = HexToDecimal(ReadCharacter);
-	if (ReadCharacterDec < 0)
-	  return;
-
-	/* Read and convert the next nibble of data from the current character */
-	HEXParser.Data    = (HEXParser.Data << 4) | ReadCharacterDec;
-	HEXParser.ReadMSB = !HEXParser.ReadMSB;
-
-	/* Only process further when a full byte (two nibbles) have been read */
-	if (HEXParser.ReadMSB)
-	  return;
-
-	/* Intel HEX checksum is for all fields except starting character and the
-	 * checksum itself
-	 */
-	if (HEXParser.ParserState != HEX_PARSE_STATE_CHECKSUM)
-	  HEXParser.Checksum += HEXParser.Data;
-
-	switch (HEXParser.ParserState)
-	{
-		case HEX_PARSE_STATE_BYTE_COUNT:
-			HEXParser.DataRem      = HEXParser.Data;
-			HEXParser.ParserState  = HEX_PARSE_STATE_ADDRESS_HIGH;
-			break;
-
-		case HEX_PARSE_STATE_ADDRESS_HIGH:
-			HEXParser.CurrAddress += ((uint16_t)HEXParser.Data << 8);
-			HEXParser.ParserState  = HEX_PARSE_STATE_ADDRESS_LOW;
-			break;
-
-		case HEX_PARSE_STATE_ADDRESS_LOW:
-			HEXParser.CurrAddress += HEXParser.Data;
-			HEXParser.ParserState  = HEX_PARSE_STATE_RECORD_TYPE;
-			break;
-
-		case HEX_PARSE_STATE_RECORD_TYPE:
-			HEXParser.RecordType   = HEXParser.Data;
-			HEXParser.ParserState  = (HEXParser.DataRem ? HEX_PARSE_STATE_READ_DATA : HEX_PARSE_STATE_CHECKSUM);
-			break;
-
-		case HEX_PARSE_STATE_READ_DATA:
-			/* Track the number of read data bytes in the record */
-			HEXParser.DataRem--;
-
-			/* Protect the bootloader against being written to */
-			if (HEXParser.CurrAddress >= BOOT_START_ADDR)
-			{
-				HEXParser.ParserState = HEX_PARSE_STATE_WAIT_LINE;
-				PageDirty = false;
-				return;
-			}
-
-			/* Wait for a machine word (two bytes) of data to be read */
-			if (HEXParser.DataRem & 0x01)
-			{
-				HEXParser.PrevData = HEXParser.Data;
-				break;
-			}
-
-			/* Convert the last two received data bytes into a 16-bit word */
-			uint16_t NewDataWord = ((uint16_t)HEXParser.Data << 8) | HEXParser.PrevData;
-
-			switch (HEXParser.RecordType)
-			{
-				case HEX_RECORD_TYPE_Data:
-					/* If we are writing to a new page, we need to erase it first */
-					if (!(PageDirty))
-					{
-						boot_page_erase(HEXParser.PageStartAddress);
-						boot_spm_busy_wait();
-
-						PageDirty = true;
-					}
-
-					/* Fill the FLASH memory buffer with the new word of data */
-					boot_page_fill(HEXParser.CurrAddress, NewDataWord);
-					HEXParser.CurrAddress += 2;
-
-					/* Flush the FLASH page to physical memory if we are crossing a page boundary */
-					FlushPageIfRequired();
-					break;
-
-				case HEX_RECORD_TYPE_ExtendedSegmentAddress:
-					/* Extended address data - store the upper 12-bits of the new address */
-					HEXParser.CurrBaseAddress = ((uint32_t)NewDataWord << 4);
-					break;
-
-				case HEX_RECORD_TYPE_ExtendedLinearAddress:
-					/* Extended address data - store the upper 16-bits of the new address */
-					HEXParser.CurrBaseAddress = ((uint32_t)NewDataWord << 16);
-					break;
-			}
-
-			if (!HEXParser.DataRem)
-			  HEXParser.ParserState = HEX_PARSE_STATE_CHECKSUM;
-			break;
-
-		case HEX_PARSE_STATE_CHECKSUM:
-			/* Verify checksum of the completed record */
-			if (HEXParser.Data != ((~HEXParser.Checksum + 1) & 0xFF))
-			  break;
-
-			/* Flush the FLASH page to physical memory if we are crossing a page boundary */
-			FlushPageIfRequired();
-
-			/* If end of the HEX file reached, the bootloader should exit at next opportunity */
-			if (HEXParser.RecordType == HEX_RECORD_TYPE_EndOfFile)
-			  RunBootloader = false;
-
-			break;
-
-		default:
-			HEXParser.ParserState = HEX_PARSE_STATE_WAIT_LINE;
-			break;
-	}
-}
-
-/** 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();
-
-	while (RunBootloader)
-	{
-		uint8_t BytesReceived = PRNT_Device_BytesReceived(&TextOnly_Printer_Interface);
-
-		if (BytesReceived)
-		{
-			LEDs_SetAllLEDs(LEDMASK_USB_BUSY);
-
-			while (BytesReceived--)
-			{
-				int16_t ReceivedByte = PRNT_Device_ReceiveByte(&TextOnly_Printer_Interface);
-
-				/* Feed the next byte of data to the HEX parser */
-				ParseIntelHEXByte(ReceivedByte);
-			}
-
-			LEDs_SetAllLEDs(LEDMASK_USB_READY);
-		}
-
-		PRNT_Device_USBTask(&TextOnly_Printer_Interface);
-		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 the board hardware and chip peripherals for the demo's functionality. */
-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);
-
-	/* Hardware Initialization */
-	LEDs_Init();
-	USB_Init();
-
-	/* Bootloader active LED toggle timer initialization */
-	TIMSK1 = (1 << TOIE1);
-	TCCR1B = ((1 << CS11) | (1 << CS10));
-}
-
-/** ISR to periodically toggle the LEDs on the board to indicate that the bootloader is active. */
-ISR(TIMER1_OVF_vect, ISR_BLOCK)
-{
-	LEDs_ToggleLEDs(LEDS_LED1 | LEDS_LED2);
-}
-
-/** 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);
-}
-
-/** 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 Printer 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 Printer Data Endpoints */
-	ConfigSuccess &= PRNT_Device_ConfigureEndpoints(&TextOnly_Printer_Interface);
-
-	/* Reset the HEX parser upon successful connection to a host */
-	HEXParser.ParserState = HEX_PARSE_STATE_WAIT_LINE;
-
-	/* 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)
-{
-	PRNT_Device_ProcessControlRequest(&TextOnly_Printer_Interface);
-}