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			88 lines
		
	
	
		
			3.4 KiB
		
	
	
	
		
			C
		
	
	
	
	
	
			
		
		
	
	
			88 lines
		
	
	
		
			3.4 KiB
		
	
	
	
		
			C
		
	
	
	
	
	
/*
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             LUFA Library
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     Copyright (C) Dean Camera, 2017.
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  dean [at] fourwalledcubicle [dot] com
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           www.lufa-lib.org
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*/
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/*
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  Copyright 2017  Dean Camera (dean [at] fourwalledcubicle [dot] com)
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  Permission to use, copy, modify, distribute, and sell this
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  software and its documentation for any purpose is hereby granted
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  without fee, provided that the above copyright notice appear in
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  all copies and that both that the copyright notice and this
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  permission notice and warranty disclaimer appear in supporting
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  documentation, and that the name of the author not be used in
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  advertising or publicity pertaining to distribution of the
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  software without specific, written prior permission.
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  The author disclaims all warranties with regard to this
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  software, including all implied warranties of merchantability
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  and fitness.  In no event shall the author be liable for any
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  special, indirect or consequential damages or any damages
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  whatsoever resulting from loss of use, data or profits, whether
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  in an action of contract, negligence or other tortious action,
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  arising out of or in connection with the use or performance of
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  this software.
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*/
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/** \file
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 *
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 *  Header file for DataflashManager.c.
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 */
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#ifndef _DATAFLASH_MANAGER_H_
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#define _DATAFLASH_MANAGER_H_
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	/* Includes: */
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		#include <avr/io.h>
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		#include "../Descriptors.h"
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		#include <LUFA/Common/Common.h>
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		#include <LUFA/Drivers/USB/USB.h>
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		#include <LUFA/Drivers/Board/Dataflash.h>
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	/* Preprocessor Checks: */
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		#if (DATAFLASH_PAGE_SIZE % 16)
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			#error Dataflash page size must be a multiple of 16 bytes.
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		#endif
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	/* Defines: */
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		/** Total number of bytes of the storage medium, comprised of one or more Dataflash ICs. */
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		#define VIRTUAL_MEMORY_BYTES                ((uint32_t)DATAFLASH_PAGES * DATAFLASH_PAGE_SIZE * DATAFLASH_TOTALCHIPS)
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		/** Block size of the device. This is kept at 512 to remain compatible with the OS despite the underlying
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		 *  storage media (Dataflash) using a different native block size. Do not change this value.
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		 */
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		#define VIRTUAL_MEMORY_BLOCK_SIZE           512
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		/** Total number of blocks of the virtual memory for reporting to the host as the device's total capacity. Do not
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		 *  change this value; change VIRTUAL_MEMORY_BYTES instead to alter the media size.
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		 */
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		#define VIRTUAL_MEMORY_BLOCKS               (VIRTUAL_MEMORY_BYTES / VIRTUAL_MEMORY_BLOCK_SIZE)
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		/** Indicates if the disk is write protected or not. */
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		#define DISK_READ_ONLY                      false
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	/* Function Prototypes: */
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		void DataflashManager_WriteBlocks(USB_ClassInfo_MS_Device_t* const MSInterfaceInfo,
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		                                  const uint32_t BlockAddress,
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		                                  uint16_t TotalBlocks);
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		void DataflashManager_ReadBlocks(USB_ClassInfo_MS_Device_t* const MSInterfaceInfo,
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		                                 const uint32_t BlockAddress,
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		                                 uint16_t TotalBlocks);
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		void DataflashManager_WriteBlocks_RAM(const uint32_t BlockAddress,
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		                                      uint16_t TotalBlocks,
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		                                      const uint8_t* BufferPtr) ATTR_NON_NULL_PTR_ARG(3);
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		void DataflashManager_ReadBlocks_RAM(const uint32_t BlockAddress,
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		                                     uint16_t TotalBlocks,
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		                                     uint8_t* BufferPtr) ATTR_NON_NULL_PTR_ARG(3);
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		void DataflashManager_ResetDataflashProtections(void);
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		bool DataflashManager_CheckDataflashOperation(void);
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#endif
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