X-Git-Url: http://git.linex4red.de/pub/lufa.git/blobdiff_plain/ef7b6a274c9ea66d301d0b3b0d2f6de7cee2b0d1..0b1f33e2a26091714982447132b251496d5a48b2:/Bootloaders/Incomplete/MassStorage/Lib/VirtualFAT.h?ds=inline diff --git a/Bootloaders/Incomplete/MassStorage/Lib/VirtualFAT.h b/Bootloaders/Incomplete/MassStorage/Lib/VirtualFAT.h deleted file mode 100644 index af4548898..000000000 --- a/Bootloaders/Incomplete/MassStorage/Lib/VirtualFAT.h +++ /dev/null @@ -1,159 +0,0 @@ -/* - LUFA Library - Copyright (C) Dean Camera, 2013. - - dean [at] fourwalledcubicle [dot] com - www.lufa-lib.org -*/ - -/* - Copyright 2013 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. -*/ - -#ifndef _VIRTUALFAT_H_ -#define _VIRTUALFAT_H_ - - /* Includes: */ - #include - #include - - #include - - /* Macros: */ - /** Size of the virtual FIRMWARE.BIN file in bytes. */ - #define FIRMWARE_FILE_SIZE_BYTES (FLASHEND - (FLASHEND - BOOT_START_ADDR) + 1UL) - - /** Number of sectors that comprise a single logical disk cluster. */ - #define SECTOR_PER_CLUSTER 4 - - /** Size of a single logical sector on the disk. */ - #define SECTOR_SIZE_BYTES 512 - - /** Size of a logical cluster on the disk, in bytes */ - #define CLUSTER_SIZE_BYTES (SECTOR_PER_CLUSTER * SECTOR_SIZE_BYTES) - - /** Number of sectors required to store a given size in bytes. - * - * \param[in] size Size of the data that needs to be stored - * - * \return Number of sectors required to store the given data on the disk. - */ - #define FILE_SECTORS(size) ((size / SECTOR_SIZE_BYTES) + ((size % SECTOR_SIZE_BYTES) ? 1 : 0)) - - /** Number of clusters required to store a given size in bytes. - * - * \param[in] size Size of the data that needs to be stored - * - * \return Number of clusters required to store the given data on the disk. - */ - #define FILE_CLUSTERS(size) ((size / CLUSTER_SIZE_BYTES) + ((size % CLUSTER_SIZE_BYTES) ? 1 : 0)) - - /** Total number of logical sectors/blocks on the disk. */ - #define LUN_MEDIA_BLOCKS (FILE_SECTORS(FIRMWARE_FILE_SIZE_BYTES) + 32) - - /** Converts a given time in HH:MM:SS format to a FAT filesystem time. - * - * \note The minimum seconds resolution of FAT is 2, thus odd seconds - * will be truncated to the previous integer multiple of 2 seconds. - * - * \param[in] hh Hours (0-23) - * \param[in] mm Minutes (0-59) - * \param[in] ss Seconds (0-59) - * - * \return Given time encoded as a FAT filesystem timestamp - */ - #define FAT_TIME(hh, mm, ss) ((hh << 11) | (mm << 5) | (ss >> 1)) - - /** Converts a given date in DD/MM/YYYY format to a FAT filesystem date. - * - * \param[in] dd Days in the month (1-31) - * \param[in] mm Months in the year (1-12) - * \param[in] yyyy Year (1980 - 2107) - * - * \return Given date encoded as a FAT filesystem datestamp - */ - #define FAT_DATE(dd, mm, yyyy) (((yyyy - 1980) << 9) | (mm << 5) | (dd << 0)) - - /* Type Definitions: */ - /** FAT boot block structure definition, used to identify the core - * parameters of a FAT filesystem stored on a disk. - * - * \note This definition is truncated to save space; the magic signature - * 0xAA55 must be appended to the very end of the block for it to - * be detected by the host as a valid boot block. - */ - typedef struct - { - uint8_t Bootstrap[3]; - uint8_t Description[8]; - uint16_t SectorSize; - uint8_t SectorsPerCluster; - uint16_t ReservedSectors; - uint8_t FATCopies; - uint16_t RootDirectoryEntries; - uint16_t TotalSectors16; - uint8_t MediaDescriptor; - uint16_t SectorsPerFAT; - uint16_t SectorsPerTrack; - uint16_t Heads; - uint32_t HiddenSectors; - uint32_t TotalSectors32; - uint16_t PhysicalDriveNum; - uint8_t ExtendedBootRecordSig; - uint32_t VolumeSerialNumber; - uint8_t VolumeLabel[11]; - uint8_t FilesystemIdentifier[8]; - /* uint8_t BootstrapProgram[448]; */ - /* uint16_t MagicSignature; */ - } FATBootBlock_t; - - /** FAT legacy 8.3 style directory entry structure definition, used to - * identify the files and folders of FAT filesystem stored on a disk. - */ - typedef struct - { - uint8_t Filename[8]; - uint8_t Extension[3]; - uint8_t Attributes; - uint8_t Reserved[10]; - uint16_t CreationTime; - uint16_t CreationDate; - uint16_t StartingCluster; - uint32_t FileSizeBytes; - } FATDirectoryEntry_t; - - /* Function Prototypes: */ - #if defined(INCLUDE_FROM_VIRTUAL_FAT_C) - static void UpdateFAT12ClusterEntry(uint8_t* const FATTable, - const uint16_t Index, - const uint16_t ChainEntry); - static void WriteVirtualBlock(const uint16_t BlockNumber); - static void ReadVirtualBlock(const uint16_t BlockNumber); - #endif - - void VirtualFAT_WriteBlocks(USB_ClassInfo_MS_Device_t* const MSInterfaceInfo, - const uint32_t BlockAddress, - uint16_t TotalBlocks); - - void VirtualFAT_ReadBlocks(USB_ClassInfo_MS_Device_t* const MSInterfaceInfo, - const uint32_t BlockAddress, - uint16_t TotalBlocks); -#endif