/* This file is part of ooFatFs, a customised version of FatFs* See https://github.com/micropython/oofatfs for details*//*----------------------------------------------------------------------------// FatFs - Generic FAT Filesystem module R0.13c //-----------------------------------------------------------------------------/// Copyright (C) 2018, ChaN, all right reserved.// FatFs module is an open source software. Redistribution and use of FatFs in/ source and binary forms, with or without modification, are permitted provided/ that the following condition is met:/ 1. Redistributions of source code must retain the above copyright notice,/ this condition and the following disclaimer.// This software is provided by the copyright holder and contributors "AS IS"/ and any warranties related to this software are DISCLAIMED./ The copyright owner or contributors be NOT LIABLE for any damages caused/ by use of this software.//----------------------------------------------------------------------------*/#ifndef FF_DEFINED#define FF_DEFINED 86604 /* Revision ID */#ifdef __cplusplusextern "C" {#endif#include FFCONF_H /* FatFs configuration options */#if FF_DEFINED != FFCONF_DEF#error Wrong configuration file (ffconf.h).#endif/* Integer types used for FatFs API */#if defined(_WIN32) /* Main development platform */#define FF_INTDEF 2#include <windows.h>typedef unsigned __int64 QWORD;#elif (defined(__STDC_VERSION__) && __STDC_VERSION__ >= 199901L) || defined(__cplusplus) /* C99 or later */#define FF_INTDEF 2#include <stdint.h>typedef unsigned int UINT; /* int must be 16-bit or 32-bit */typedef unsigned char BYTE; /* char must be 8-bit */typedef uint16_t WORD; /* 16-bit unsigned integer */typedef uint16_t WCHAR; /* 16-bit unsigned integer */typedef uint32_t DWORD; /* 32-bit unsigned integer */typedef uint64_t QWORD; /* 64-bit unsigned integer */#else /* Earlier than C99 */#define FF_INTDEF 1typedef unsigned int UINT; /* int must be 16-bit or 32-bit */typedef unsigned char BYTE; /* char must be 8-bit */typedef unsigned short WORD; /* 16-bit unsigned integer */typedef unsigned short WCHAR; /* 16-bit unsigned integer */typedef unsigned long DWORD; /* 32-bit unsigned integer */#endif/* Definitions of volume management */#if FF_STR_VOLUME_ID#ifndef FF_VOLUME_STRSextern const char* VolumeStr[FF_VOLUMES]; /* User defied volume ID */#endif#endif/* Type of path name strings on FatFs API */#ifndef _INC_TCHAR#define _INC_TCHAR#if FF_USE_LFN && FF_LFN_UNICODE == 1 /* Unicode in UTF-16 encoding */typedef WCHAR TCHAR;#define _T(x) L ## x#define _TEXT(x) L ## x#elif FF_USE_LFN && FF_LFN_UNICODE == 2 /* Unicode in UTF-8 encoding */typedef char TCHAR;#define _T(x) u8 ## x#define _TEXT(x) u8 ## x#elif FF_USE_LFN && FF_LFN_UNICODE == 3 /* Unicode in UTF-32 encoding */typedef DWORD TCHAR;#define _T(x) U ## x#define _TEXT(x) U ## x#elif FF_USE_LFN && (FF_LFN_UNICODE < 0 || FF_LFN_UNICODE > 3)#error Wrong FF_LFN_UNICODE setting#else /* ANSI/OEM code in SBCS/DBCS */typedef char TCHAR;#define _T(x) x#define _TEXT(x) x#endif#endif/* Type of file size variables */#if FF_FS_EXFAT#if FF_INTDEF != 2#error exFAT feature wants C99 or later#endiftypedef QWORD FSIZE_t;#elsetypedef DWORD FSIZE_t;#endif/* Filesystem object structure (FATFS) */typedef struct {void *drv; // block device underlying this filesystem#if FF_MULTI_PARTITION /* Multiple partition configuration */BYTE part; // Partition: 0:Auto detect, 1-4:Forced partition#endifBYTE fs_type; /* Filesystem type (0:not mounted) */BYTE n_fats; /* Number of FATs (1 or 2) */BYTE wflag; /* win[] flag (b0:dirty) */BYTE fsi_flag; /* FSINFO flags (b7:disabled, b0:dirty) */WORD id; /* Volume mount ID */WORD n_rootdir; /* Number of root directory entries (FAT12/16) */WORD csize; /* Cluster size [sectors] */#if FF_MAX_SS != FF_MIN_SSWORD ssize; /* Sector size (512, 1024, 2048 or 4096) */#endif#if FF_USE_LFNWCHAR* lfnbuf; /* LFN working buffer */#endif#if FF_FS_EXFATBYTE* dirbuf; /* Directory entry block scratchpad buffer for exFAT */#endif#if FF_FS_REENTRANTFF_SYNC_t sobj; /* Identifier of sync object */#endif#if !FF_FS_READONLYDWORD last_clst; /* Last allocated cluster */DWORD free_clst; /* Number of free clusters */#endif#if FF_FS_RPATHDWORD cdir; /* Current directory start cluster (0:root) */#if FF_FS_EXFATDWORD cdc_scl; /* Containing directory start cluster (invalid when cdir is 0) */DWORD cdc_size; /* b31-b8:Size of containing directory, b7-b0: Chain status */DWORD cdc_ofs; /* Offset in the containing directory (invalid when cdir is 0) */#endif#endifDWORD n_fatent; /* Number of FAT entries (number of clusters + 2) */DWORD fsize; /* Size of an FAT [sectors] */DWORD volbase; /* Volume base sector */DWORD fatbase; /* FAT base sector */DWORD dirbase; /* Root directory base sector/cluster */DWORD database; /* Data base sector */#if FF_FS_EXFATDWORD bitbase; /* Allocation bitmap base sector */#endifDWORD winsect; /* Current sector appearing in the win[] */BYTE win[FF_MAX_SS]; /* Disk access window for Directory, FAT (and file data at tiny cfg) */} FATFS;/* Object ID and allocation information (FFOBJID) */typedef struct {FATFS* fs; /* Pointer to the hosting volume of this object */WORD id; /* Hosting volume mount ID */BYTE attr; /* Object attribute */BYTE stat; /* Object chain status (b1-0: =0:not contiguous, =2:contiguous, =3:fragmented in this session, b2:sub-directory stretched) */DWORD sclust; /* Object data start cluster (0:no cluster or root directory) */FSIZE_t objsize; /* Object size (valid when sclust != 0) */#if FF_FS_EXFATDWORD n_cont; /* Size of first fragment - 1 (valid when stat == 3) */DWORD n_frag; /* Size of last fragment needs to be written to FAT (valid when not zero) */DWORD c_scl; /* Containing directory start cluster (valid when sclust != 0) */DWORD c_size; /* b31-b8:Size of containing directory, b7-b0: Chain status (valid when c_scl != 0) */DWORD c_ofs; /* Offset in the containing directory (valid when file object and sclust != 0) */#endif#if FF_FS_LOCKUINT lockid; /* File lock ID origin from 1 (index of file semaphore table Files[]) */#endif} FFOBJID;/* File object structure (FIL) */typedef struct {FFOBJID obj; /* Object identifier (must be the 1st member to detect invalid object pointer) */BYTE flag; /* File status flags */BYTE err; /* Abort flag (error code) */FSIZE_t fptr; /* File read/write pointer (Zeroed on file open) */DWORD clust; /* Current cluster of fpter (invalid when fptr is 0) */DWORD sect; /* Sector number appearing in buf[] (0:invalid) */#if !FF_FS_READONLYDWORD dir_sect; /* Sector number containing the directory entry (not used at exFAT) */BYTE* dir_ptr; /* Pointer to the directory entry in the win[] (not used at exFAT) */#endif#if FF_USE_FASTSEEKDWORD* cltbl; /* Pointer to the cluster link map table (nulled on open, set by application) */#endif#if !FF_FS_TINYBYTE buf[FF_MAX_SS]; /* File private data read/write window */#endif} FIL;/* Directory object structure (FF_DIR) */typedef struct {FFOBJID obj; /* Object identifier */DWORD dptr; /* Current read/write offset */DWORD clust; /* Current cluster */DWORD sect; /* Current sector (0:Read operation has terminated) */BYTE* dir; /* Pointer to the directory item in the win[] */BYTE fn[12]; /* SFN (in/out) {body[8],ext[3],status[1]} */#if FF_USE_LFNDWORD blk_ofs; /* Offset of current entry block being processed (0xFFFFFFFF:Invalid) */#endif#if FF_USE_FINDconst TCHAR* pat; /* Pointer to the name matching pattern */#endif} FF_DIR;/* File information structure (FILINFO) */typedef struct {FSIZE_t fsize; /* File size */WORD fdate; /* Modified date */WORD ftime; /* Modified time */BYTE fattrib; /* File attribute */#if FF_USE_LFNTCHAR altname[FF_SFN_BUF + 1];/* Altenative file name */TCHAR fname[FF_LFN_BUF + 1]; /* Primary file name */#elseTCHAR fname[12 + 1]; /* File name */#endif} FILINFO;/* File function return code (FRESULT) */typedef enum {FR_OK = 0, /* (0) Succeeded */FR_DISK_ERR, /* (1) A hard error occurred in the low level disk I/O layer */FR_INT_ERR, /* (2) Assertion failed */FR_NOT_READY, /* (3) The physical drive cannot work */FR_NO_FILE, /* (4) Could not find the file */FR_NO_PATH, /* (5) Could not find the path */FR_INVALID_NAME, /* (6) The path name format is invalid */FR_DENIED, /* (7) Access denied due to prohibited access or directory full */FR_EXIST, /* (8) Access denied due to prohibited access */FR_INVALID_OBJECT, /* (9) The file/directory object is invalid */FR_WRITE_PROTECTED, /* (10) The physical drive is write protected */FR_INVALID_DRIVE, /* (11) The logical drive number is invalid */FR_NOT_ENABLED, /* (12) The volume has no work area */FR_NO_FILESYSTEM, /* (13) There is no valid FAT volume */FR_MKFS_ABORTED, /* (14) The f_mkfs() aborted due to any problem */FR_TIMEOUT, /* (15) Could not get a grant to access the volume within defined period */FR_LOCKED, /* (16) The operation is rejected according to the file sharing policy */FR_NOT_ENOUGH_CORE, /* (17) LFN working buffer could not be allocated */FR_TOO_MANY_OPEN_FILES, /* (18) Number of open files > FF_FS_LOCK */FR_INVALID_PARAMETER /* (19) Given parameter is invalid */} FRESULT;/*--------------------------------------------------------------*//* FatFs module application interface */FRESULT f_open (FATFS *fs, FIL* fp, const TCHAR* path, BYTE mode); /* Open or create a file */FRESULT f_close (FIL* fp); /* Close an open file object */FRESULT f_read (FIL* fp, void* buff, UINT btr, UINT* br); /* Read data from the file */FRESULT f_write (FIL* fp, const void* buff, UINT btw, UINT* bw); /* Write data to the file */FRESULT f_lseek (FIL* fp, FSIZE_t ofs); /* Move file pointer of the file object */FRESULT f_truncate (FIL* fp); /* Truncate the file */FRESULT f_sync (FIL* fp); /* Flush cached data of the writing file */FRESULT f_opendir (FATFS *fs, FF_DIR* dp, const TCHAR* path); /* Open a directory */FRESULT f_closedir (FF_DIR* dp); /* Close an open directory */FRESULT f_readdir (FF_DIR* dp, FILINFO* fno); /* Read a directory item */FRESULT f_findfirst (FF_DIR* dp, FILINFO* fno, const TCHAR* path, const TCHAR* pattern); /* Find first file */FRESULT f_findnext (FF_DIR* dp, FILINFO* fno); /* Find next file */FRESULT f_mkdir (FATFS *fs, const TCHAR* path); /* Create a sub directory */FRESULT f_unlink (FATFS *fs, const TCHAR* path); /* Delete an existing file or directory */FRESULT f_rename (FATFS *fs, const TCHAR* path_old, const TCHAR* path_new); /* Rename/Move a file or directory */FRESULT f_stat (FATFS *fs, const TCHAR* path, FILINFO* fno); /* Get file status */FRESULT f_chmod (FATFS *fs, const TCHAR* path, BYTE attr, BYTE mask); /* Change attribute of a file/dir */FRESULT f_utime (FATFS *fs, const TCHAR* path, const FILINFO* fno); /* Change timestamp of a file/dir */FRESULT f_chdir (FATFS *fs, const TCHAR* path); /* Change current directory */FRESULT f_getcwd (FATFS *fs, TCHAR* buff, UINT len); /* Get current directory */FRESULT f_getfree (FATFS *fs, DWORD* nclst); /* Get number of free clusters on the drive */FRESULT f_getlabel (FATFS *fs, TCHAR* label, DWORD* vsn); /* Get volume label */FRESULT f_setlabel (FATFS *fs, const TCHAR* label); /* Set volume label */FRESULT f_forward (FIL* fp, UINT(*func)(const BYTE*,UINT), UINT btf, UINT* bf); /* Forward data to the stream */FRESULT f_expand (FIL* fp, FSIZE_t szf, BYTE opt); /* Allocate a contiguous block to the file */FRESULT f_mount (FATFS* fs); /* Mount/Unmount a logical drive */FRESULT f_umount (FATFS* fs); /* Unmount a logical drive */FRESULT f_mkfs (FATFS *fs, BYTE opt, DWORD au, void* work, UINT len); /* Create a FAT volume */FRESULT f_fdisk (void *pdrv, const DWORD* szt, void* work); /* Divide a physical drive into some partitions */FRESULT f_setcp (WORD cp); /* Set current code page */#define f_eof(fp) ((int)((fp)->fptr == (fp)->obj.objsize))#define f_error(fp) ((fp)->err)#define f_tell(fp) ((fp)->fptr)#define f_size(fp) ((fp)->obj.objsize)#define f_rewind(fp) f_lseek((fp), 0)#define f_rewinddir(dp) f_readdir((dp), 0)#define f_rmdir(path) f_unlink(path)#define f_unmount(path) f_mount(0, path, 0)#ifndef EOF#define EOF (-1)#endif/*--------------------------------------------------------------*//* Additional user defined functions *//* RTC function */#if !FF_FS_READONLY && !FF_FS_NORTCDWORD get_fattime (void);#endif/* LFN support functions */#if FF_USE_LFN >= 1 /* Code conversion (defined in unicode.c) */WCHAR ff_oem2uni (WCHAR oem, WORD cp); /* OEM code to Unicode conversion */WCHAR ff_uni2oem (DWORD uni, WORD cp); /* Unicode to OEM code conversion */DWORD ff_wtoupper (DWORD uni); /* Unicode upper-case conversion */#endif#if FF_USE_LFN == 3 /* Dynamic memory allocation */void* ff_memalloc (UINT msize); /* Allocate memory block */void ff_memfree (void* mblock); /* Free memory block */#endif/* Sync functions */#if FF_FS_REENTRANTint ff_cre_syncobj (FATFS *fatfs, FF_SYNC_t* sobj); /* Create a sync object */int ff_req_grant (FF_SYNC_t sobj); /* Lock sync object */void ff_rel_grant (FF_SYNC_t sobj); /* Unlock sync object */int ff_del_syncobj (FF_SYNC_t sobj); /* Delete a sync object */#endif/*--------------------------------------------------------------*//* Flags and offset address *//* File access mode and open method flags (3rd argument of f_open) */#define FA_READ 0x01#define FA_WRITE 0x02#define FA_OPEN_EXISTING 0x00#define FA_CREATE_NEW 0x04#define FA_CREATE_ALWAYS 0x08#define FA_OPEN_ALWAYS 0x10#define FA_OPEN_APPEND 0x30/* Fast seek controls (2nd argument of f_lseek) */#define CREATE_LINKMAP ((FSIZE_t)0 - 1)/* Format options (2nd argument of f_mkfs) */#define FM_FAT 0x01#define FM_FAT32 0x02#define FM_EXFAT 0x04#define FM_ANY 0x07#define FM_SFD 0x08/* Filesystem type (FATFS.fs_type) */#define FS_FAT12 1#define FS_FAT16 2#define FS_FAT32 3#define FS_EXFAT 4/* File attribute bits for directory entry (FILINFO.fattrib) */#define AM_RDO 0x01 /* Read only */#define AM_HID 0x02 /* Hidden */#define AM_SYS 0x04 /* System */#define AM_DIR 0x10 /* Directory */#define AM_ARC 0x20 /* Archive */#ifdef __cplusplus}#endif#endif /* FF_DEFINED */
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