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, 209 deletions

diff --git a/lib/lufa/LUFA/Drivers/Peripheral/AVR8/TWI_AVR8.c b/lib/lufa/LUFA/Drivers/Peripheral/AVR8/TWI_AVR8.c
deleted file mode 100644
index eb08687be3..0000000000
--- a/lib/lufa/LUFA/Drivers/Peripheral/AVR8/TWI_AVR8.c
+++ /dev/null
@@ -1,209 +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.
-*/
-
-#include "../../../Common/Common.h"
-#if (ARCH == ARCH_AVR8) && defined(TWCR)
-
-#define  __INCLUDE_FROM_TWI_C
-#include "../TWI.h"
-
-uint8_t TWI_StartTransmission(const uint8_t SlaveAddress,
-                              const uint8_t TimeoutMS)
-{
-	for (;;)
-	{
-		bool     BusCaptured = false;
-		uint16_t TimeoutRemaining;
-
-		TWCR = ((1 << TWINT) | (1 << TWSTA) | (1 << TWEN));
-
-		TimeoutRemaining = (TimeoutMS * 100);
-		while (TimeoutRemaining && !(BusCaptured))
-		{
-			if (TWCR & (1 << TWINT))
-			{
-				switch (TWSR & TW_STATUS_MASK)
-				{
-					case TW_START:
-					case TW_REP_START:
-						BusCaptured = true;
-						break;
-					case TW_MT_ARB_LOST:
-						TWCR = ((1 << TWINT) | (1 << TWSTA) | (1 << TWEN));
-						continue;
-					default:
-						TWCR = (1 << TWEN);
-						return TWI_ERROR_BusFault;
-				}
-			}
-
-			_delay_us(10);
-			TimeoutRemaining--;
-		}
-
-		if (!(TimeoutRemaining))
-		{
-			TWCR = (1 << TWEN);
-			return TWI_ERROR_BusCaptureTimeout;
-		}
-
-		TWDR = SlaveAddress;
-		TWCR = ((1 << TWINT) | (1 << TWEN));
-
-		TimeoutRemaining = (TimeoutMS * 100);
-		while (TimeoutRemaining)
-		{
-			if (TWCR & (1 << TWINT))
-			  break;
-
-			_delay_us(10);
-			TimeoutRemaining--;
-		}
-
-		if (!(TimeoutRemaining))
-		  return TWI_ERROR_SlaveResponseTimeout;
-
-		switch (TWSR & TW_STATUS_MASK)
-		{
-			case TW_MT_SLA_ACK:
-			case TW_MR_SLA_ACK:
-				return TWI_ERROR_NoError;
-			default:
-				TWCR = ((1 << TWINT) | (1 << TWSTO) | (1 << TWEN));
-				return TWI_ERROR_SlaveNotReady;
-		}
-	}
-}
-
-bool TWI_SendByte(const uint8_t Byte)
-{
-	TWDR = Byte;
-	TWCR = ((1 << TWINT) | (1 << TWEN));
-	while (!(TWCR & (1 << TWINT)));
-
-	return ((TWSR & TW_STATUS_MASK) == TW_MT_DATA_ACK);
-}
-
-bool TWI_ReceiveByte(uint8_t* const Byte,
-					 const bool LastByte)
-{
-	uint8_t TWCRMask;
-
-	if (LastByte)
-	  TWCRMask = ((1 << TWINT) | (1 << TWEN));
-	else
-	  TWCRMask = ((1 << TWINT) | (1 << TWEN) | (1 << TWEA));
-
-	TWCR = TWCRMask;
-	while (!(TWCR & (1 << TWINT)));
-	*Byte = TWDR;
-
-	uint8_t Status = (TWSR & TW_STATUS_MASK);
-
-	return ((LastByte) ? (Status == TW_MR_DATA_NACK) : (Status == TW_MR_DATA_ACK));
-}
-
-uint8_t TWI_ReadPacket(const uint8_t SlaveAddress,
-                       const uint8_t TimeoutMS,
-                       const uint8_t* InternalAddress,
-                       uint8_t InternalAddressLen,
-                       uint8_t* Buffer,
-                       uint16_t Length)
-{
-	uint8_t ErrorCode;
-
-	if ((ErrorCode = TWI_StartTransmission((SlaveAddress & TWI_DEVICE_ADDRESS_MASK) | TWI_ADDRESS_WRITE,
-	                                       TimeoutMS)) == TWI_ERROR_NoError)
-	{
-		while (InternalAddressLen--)
-		{
-			if (!(TWI_SendByte(*(InternalAddress++))))
-			{
-				ErrorCode = TWI_ERROR_SlaveNAK;
-				break;
-			}
-		}
-
-		if ((ErrorCode = TWI_StartTransmission((SlaveAddress & TWI_DEVICE_ADDRESS_MASK) | TWI_ADDRESS_READ,
-											   TimeoutMS)) == TWI_ERROR_NoError)
-		{
-			while (Length--)
-			{
-				if (!(TWI_ReceiveByte(Buffer++, (Length == 0))))
-				{
-					ErrorCode = TWI_ERROR_SlaveNAK;
-					break;
-				}
-			}
-
-			TWI_StopTransmission();
-		}
-	}
-
-	return ErrorCode;
-}
-
-uint8_t TWI_WritePacket(const uint8_t SlaveAddress,
-                        const uint8_t TimeoutMS,
-                        const uint8_t* InternalAddress,
-                        uint8_t InternalAddressLen,
-                        const uint8_t* Buffer,
-                        uint16_t Length)
-{
-	uint8_t ErrorCode;
-
-	if ((ErrorCode = TWI_StartTransmission((SlaveAddress & TWI_DEVICE_ADDRESS_MASK) | TWI_ADDRESS_WRITE,
-	                                       TimeoutMS)) == TWI_ERROR_NoError)
-	{
-		while (InternalAddressLen--)
-		{
-			if (!(TWI_SendByte(*(InternalAddress++))))
-			{
-				ErrorCode = TWI_ERROR_SlaveNAK;
-				break;
-			}
-		}
-
-		while (Length--)
-		{
-			if (!(TWI_SendByte(*(Buffer++))))
-			{
-				ErrorCode = TWI_ERROR_SlaveNAK;
-				break;
-			}
-		}
-
-		TWI_StopTransmission();
-	}
-
-	return ErrorCode;
-}
-
-#endif