Squashed 'lib/lufa/' content from commit 385d40300

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diff --git a/Demos/Device/ClassDriver/MassStorageKeyboard/Lib/DataflashManager.h b/Demos/Device/ClassDriver/MassStorageKeyboard/Lib/DataflashManager.h
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+/*
+             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
+ *
+ *  Header file for DataflashManager.c.
+ */
+
+#ifndef _DATAFLASH_MANAGER_H_
+#define _DATAFLASH_MANAGER_H_
+
+	/* Includes: */
+		#include <avr/io.h>
+
+		#include "../MassStorageKeyboard.h"
+		#include "../Descriptors.h"
+		#include "Config/AppConfig.h"
+
+		#include <LUFA/Common/Common.h>
+		#include <LUFA/Drivers/USB/USB.h>
+		#include <LUFA/Drivers/Board/Dataflash.h>
+
+	/* Preprocessor Checks: */
+		#if (DATAFLASH_PAGE_SIZE % 16)
+			#error Dataflash page size must be a multiple of 16 bytes.
+		#endif
+
+	/* Defines: */
+		/** Total number of bytes of the storage medium, comprised of one or more Dataflash ICs. */
+		#define VIRTUAL_MEMORY_BYTES                ((uint32_t)DATAFLASH_PAGES * DATAFLASH_PAGE_SIZE * DATAFLASH_TOTALCHIPS)
+
+		/** Block size of the device. This is kept at 512 to remain compatible with the OS despite the underlying
+		 *  storage media (Dataflash) using a different native block size.
+		 */
+		#define VIRTUAL_MEMORY_BLOCK_SIZE           512
+
+		/** Total number of blocks of the virtual memory for reporting to the host as the device's total capacity. */
+		#define VIRTUAL_MEMORY_BLOCKS              (VIRTUAL_MEMORY_BYTES / VIRTUAL_MEMORY_BLOCK_SIZE)
+
+		/** Blocks in each LUN, calculated from the total capacity divided by the total number of Logical Units in the device. */
+		#define LUN_MEDIA_BLOCKS         (VIRTUAL_MEMORY_BLOCKS / TOTAL_LUNS)
+
+	/* Function Prototypes: */
+		void DataflashManager_WriteBlocks(USB_ClassInfo_MS_Device_t* const MSInterfaceInfo,
+		                                  const uint32_t BlockAddress,
+		                                  uint16_t TotalBlocks);
+		void DataflashManager_ReadBlocks(USB_ClassInfo_MS_Device_t* const MSInterfaceInfo,
+		                                 const uint32_t BlockAddress,
+		                                 uint16_t TotalBlocks);
+		void DataflashManager_WriteBlocks_RAM(const uint32_t BlockAddress,
+		                                      uint16_t TotalBlocks,
+		                                      uint8_t* BufferPtr) ATTR_NON_NULL_PTR_ARG(3);
+		void DataflashManager_ReadBlocks_RAM(const uint32_t BlockAddress,
+		                                     uint16_t TotalBlocks,
+		                                     uint8_t* BufferPtr) ATTR_NON_NULL_PTR_ARG(3);
+		void DataflashManager_ResetDataflashProtections(void);
+		bool DataflashManager_CheckDataflashOperation(void);
+
+#endif
+