Code for autonomous rover for Sparkfun AVC. DataBus won 3rd in 2012 and the same code was used on Troubled Child, a 1986 Jeep Grand Wagoneer to win 1st in 2014.
Dependencies: mbed Watchdog SDFileSystem DigoleSerialDisp
Revision 12:5dfa1ab47838, committed 2018-11-29
- Comitter:
- shimniok
- Date:
- Thu Nov 29 16:50:46 2018 +0000
- Parent:
- 11:33757b21d0e4
- Child:
- 13:14f56b76aa23
- Commit message:
- Updated sensors, removed FAT filesystem class (now part of mbed I think), Updated Buttons and Shell
Changed in this revision
--- a/SDFileSystem/FATFileSystem/Core/diskio.cpp Thu Nov 29 16:35:31 2018 +0000 +++ /dev/null Thu Jan 01 00:00:00 1970 +0000 @@ -1,138 +0,0 @@ -/*-----------------------------------------------------------------------*/ -/* Low level disk I/O module skeleton for FatFs (C)ChaN, 2007 */ -/*-----------------------------------------------------------------------*/ -/* This is a stub disk I/O module that acts as front end of the existing */ -/* disk I/O modules and attach it to FatFs module with common interface. */ -/*-----------------------------------------------------------------------*/ - -//Modified by Thomas Hamilton, Copyright 2010 - -#include "diskio.h" - -DSTATUS disk_initialize(BYTE drv) -{ - if (FATFileSystem::DriveArray[drv]) - { - return (DSTATUS)FATFileSystem::DriveArray[drv]->disk_initialize(); - } - else - { - return STA_NOINIT; - } -} - -DSTATUS disk_status(BYTE drv) -{ - if (FATFileSystem::DriveArray[drv]) - { - return (DSTATUS)FATFileSystem::DriveArray[drv]->disk_status(); - } - else - { - return STA_NOINIT; - } -} - -DRESULT disk_read(BYTE drv, BYTE* buff, DWORD sector, BYTE count) -{ - if (FATFileSystem::DriveArray[drv]) - { - return (DRESULT)FATFileSystem::DriveArray[drv]->disk_read((unsigned char*)buff, - (unsigned long)sector, (unsigned char)count); - } - else - { - return RES_NOTRDY; - } -} - -#if _READONLY == 0 -DRESULT disk_write(BYTE drv, const BYTE* buff, DWORD sector, BYTE count) -{ - if (FATFileSystem::DriveArray[drv]) - { - return (DRESULT)FATFileSystem::DriveArray[drv]->disk_write((const unsigned char*)buff, - (unsigned long)sector, (unsigned char)count); - } - else - { - return RES_NOTRDY; - } -} -#endif - -DRESULT disk_ioctl(BYTE drv, BYTE ctrl, void* buff) -{ - switch (ctrl) - { - case CTRL_SYNC: - if (FATFileSystem::DriveArray[drv]) - { - return (DRESULT)FATFileSystem::DriveArray[drv]->disk_sync(); - } - else - { - return RES_NOTRDY; - } - - case GET_SECTOR_SIZE: - if (FATFileSystem::DriveArray[drv]) - { - WORD Result = FATFileSystem::DriveArray[drv]->disk_sector_size(); - if (Result > 0) - { - *((WORD*)buff) = Result; - return RES_OK; - } - else - { - return RES_ERROR; - } - } - else - { - return RES_NOTRDY; - } - - case GET_SECTOR_COUNT: - if (FATFileSystem::DriveArray[drv]) - { - DWORD Result = FATFileSystem::DriveArray[drv]->disk_sector_count(); - if (Result > 0) - { - *((DWORD*)buff) = Result; - return RES_OK; - } - else - { - return RES_ERROR; - } - } - else - { - return RES_NOTRDY; - } - - case GET_BLOCK_SIZE: - if (FATFileSystem::DriveArray[drv]) - { - DWORD Result = FATFileSystem::DriveArray[drv]->disk_block_size(); - if (Result > 0) - { - *((DWORD*)buff) = Result; - return RES_OK; - } - else - { - return RES_ERROR; - } - } - else - { - return RES_NOTRDY; - } - - default: - return RES_PARERR; - } -} \ No newline at end of file
--- a/SDFileSystem/FATFileSystem/Core/diskio.h Thu Nov 29 16:35:31 2018 +0000 +++ /dev/null Thu Jan 01 00:00:00 1970 +0000 @@ -1,57 +0,0 @@ -/*----------------------------------------------------------------------- -/ Low level disk interface module include file R0.06 (C)ChaN, 2007 -/-----------------------------------------------------------------------*/ - -//Modified by Thomas Hamilton, Copyright 2010 - -#ifndef _DISKIO -#define _DISKIO - -#define _READONLY 0 -#define _USE_IOCTL 1 - -#include "integer.h" -#include "FATFileSystem.h" -#include <stdio.h> - -/* Status of Disk Functions */ -typedef BYTE DSTATUS; -#define STA_NOINIT 0x01 /* Drive not initialized */ -#define STA_NODISK 0x02 /* No medium in the drive */ -#define STA_PROTECT 0x04 /* Write protected */ -/* Results of Disk Functions */ -typedef enum -{ - RES_OK = 0, /* 0: Successful */ - RES_ERROR, /* 1: R/W Error */ - RES_WRPRT, /* 2: Write Protected */ - RES_NOTRDY, /* 3: Not Ready */ - RES_PARERR /* 4: Invalid Parameter */ -} DRESULT; - -/* Prototypes for disk control functions */ -DSTATUS disk_initialize (BYTE); -DSTATUS disk_status (BYTE); -DRESULT disk_read (BYTE, BYTE*, DWORD, BYTE); -#if _READONLY == 0 -DRESULT disk_write (BYTE, const BYTE*, DWORD, BYTE); -#endif -DRESULT disk_ioctl (BYTE, BYTE, void*); -/* Command code for disk_ioctrl() */ -#define CTRL_SYNC 0 /* Mandatory for read/write configuration */ -#define GET_SECTOR_COUNT 1 /* Mandatory for only f_mkfs() */ -#define GET_SECTOR_SIZE 2 -#define GET_BLOCK_SIZE 3 /* Mandatory for only f_mkfs() */ -#define CTRL_POWER 4 -#define CTRL_LOCK 5 -#define CTRL_EJECT 6 -#define MMC_GET_TYPE 10 /* MMC/SDC command */ -#define MMC_GET_CSD 11 -#define MMC_GET_CID 12 -#define MMC_GET_OCR 13 -#define MMC_GET_SDSTAT 14 -#define ATA_GET_REV 20 /* ATA/CF command */ -#define ATA_GET_MODEL 21 -#define ATA_GET_SN 22 - -#endif \ No newline at end of file
--- a/SDFileSystem/FATFileSystem/Core/ff.cpp Thu Nov 29 16:35:31 2018 +0000 +++ /dev/null Thu Jan 01 00:00:00 1970 +0000 @@ -1,3555 +0,0 @@ -/*----------------------------------------------------------------------------/ -/ FatFs - FAT file system module R0.08 (C)ChaN, 2010 -/-----------------------------------------------------------------------------/ -/ FatFs module is a generic FAT file system module for small embedded systems. -/ This is a free software that opened for education, research and commercial -/ developments under license policy of following terms. -/ -/ Copyright (C) 2010, ChaN, all right reserved. -/ -/ * The FatFs module is a free software and there is NO WARRANTY. -/ * No restriction on use. You can use, modify and redistribute it for -/ personal, non-profit or commercial products UNDER YOUR RESPONSIBILITY. -/ * Redistributions of source code must retain the above copyright notice. -/ -/-----------------------------------------------------------------------------/ -/ Feb 26,'06 R0.00 Prototype. -/ -/ Apr 29,'06 R0.01 First stable version. -/ -/ Jun 01,'06 R0.02 Added FAT12 support. -/ Removed unbuffered mode. -/ Fixed a problem on small (<32M) partition. -/ Jun 10,'06 R0.02a Added a configuration option (_FS_MINIMUM). -/ -/ Sep 22,'06 R0.03 Added f_rename(). -/ Changed option _FS_MINIMUM to _FS_MINIMIZE. -/ Dec 11,'06 R0.03a Improved cluster scan algorithm to write files fast. -/ Fixed f_mkdir() creates incorrect directory on FAT32. -/ -/ Feb 04,'07 R0.04 Supported multiple drive system. -/ Changed some interfaces for multiple drive system. -/ Changed f_mountdrv() to f_mount(). -/ Added f_mkfs(). -/ Apr 01,'07 R0.04a Supported multiple partitions on a physical drive. -/ Added a capability of extending file size to f_lseek(). -/ Added minimization level 3. -/ Fixed an endian sensitive code in f_mkfs(). -/ May 05,'07 R0.04b Added a configuration option _USE_NTFLAG. -/ Added FSInfo support. -/ Fixed DBCS name can result FR_INVALID_NAME. -/ Fixed short seek (<= csize) collapses the file object. -/ -/ Aug 25,'07 R0.05 Changed arguments of f_read(), f_write() and f_mkfs(). -/ Fixed f_mkfs() on FAT32 creates incorrect FSInfo. -/ Fixed f_mkdir() on FAT32 creates incorrect directory. -/ Feb 03,'08 R0.05a Added f_truncate() and f_utime(). -/ Fixed off by one error at FAT sub-type determination. -/ Fixed btr in f_read() can be mistruncated. -/ Fixed cached sector is not flushed when create and close -/ without write. -/ -/ Apr 01,'08 R0.06 Added fputc(), fputs(), fprintf() and fgets(). -/ Improved performance of f_lseek() on moving to the same -/ or following cluster. -/ -/ Apr 01,'09 R0.07 Merged Tiny-FatFs as a buffer configuration option. -/ Added long file name support. -/ Added multiple code page support. -/ Added re-entrancy for multitask operation. -/ Added auto cluster size selection to f_mkfs(). -/ Added rewind option to f_readdir(). -/ Changed result code of critical errors. -/ Renamed string functions to avoid name collision. -/ Apr 14,'09 R0.07a Separated out OS dependent code on reentrant cfg. -/ Added multiple sector size support. -/ Jun 21,'09 R0.07c Fixed f_unlink() can return FR_OK on error. -/ Fixed wrong cache control in f_lseek(). -/ Added relative path feature. -/ Added f_chdir() and f_chdrive(). -/ Added proper case conversion to extended char. -/ Nov 03,'09 R0.07e Separated out configuration options from ff.h to ffconf.h. -/ Fixed f_unlink() fails to remove a sub-dir on _FS_RPATH. -/ Fixed name matching error on the 13 char boundary. -/ Added a configuration option, _LFN_UNICODE. -/ Changed f_readdir() to return the SFN with always upper -/ case on non-LFN cfg. -/ -/ May 15,'10 R0.08 Added a memory configuration option. (_USE_LFN) -/ Added file lock feature. (_FS_SHARE) -/ Added fast seek feature. (_USE_FASTSEEK) -/ Changed some types on the API, XCHAR->TCHAR. -/ Changed fname member in the FILINFO structure on Unicode cfg. -/ String functions support UTF-8 encoding files on Unicode cfg. -/---------------------------------------------------------------------------*/ - -//Modified by Thomas Hamilton, Copyright 2010 - -#include "ff.h" /* FatFs configurations and declarations */ -#include "diskio.h" /* Declarations of low level disk I/O functions */ - - -/*-------------------------------------------------------------------------- - - Module Private Definitions - ----------------------------------------------------------------------------*/ - -#if _FATFS != 8085 -#error Wrong include file (ff.h). -#endif - - -/* FAT sub-type boundaries */ -/* Note that the FAT spec by Microsoft says 4085 but Windows works with 4087! */ -#define MIN_FAT16 4086 /* Minimum number of clusters for FAT16 */ -#define MIN_FAT32 65526 /* Minimum number of clusters for FAT32 */ - - -/* Definitions corresponds to multiple sector size */ -#if _MAX_SS == 512 /* Single sector size */ -#define SS(fs) 512U -#elif _MAX_SS == 1024 || _MAX_SS == 2048 || _MAX_SS == 4096 /* Multiple sector size */ -#define SS(fs) ((fs)->ssize) -#else -#error Wrong sector size. -#endif - - -/* Reentrancy related */ -#if _FS_REENTRANT -#if _USE_LFN == 1 -#error Static LFN work area must not be used in re-entrant configuration. -#endif -#define ENTER_FF(fs) { if (!lock_fs(fs)) return FR_TIMEOUT; } -#define LEAVE_FF(fs, res) { unlock_fs(fs, res); return res; } - -#else -#define ENTER_FF(fs) -#define LEAVE_FF(fs, res) return res - -#endif - -#define ABORT(fs, res) { fp->flag |= FA__ERROR; LEAVE_FF(fs, res); } - - -/* Character code support macros */ -#define IsUpper(c) (((c)>='A')&&((c)<='Z')) -#define IsLower(c) (((c)>='a')&&((c)<='z')) -#define IsDigit(c) (((c)>='0')&&((c)<='9')) - -#if _DF1S /* Code page is DBCS */ - -#ifdef _DF2S /* Two 1st byte areas */ -#define IsDBCS1(c) (((BYTE)(c) >= _DF1S && (BYTE)(c) <= _DF1E) || ((BYTE)(c) >= _DF2S && (BYTE)(c) <= _DF2E)) -#else /* One 1st byte area */ -#define IsDBCS1(c) ((BYTE)(c) >= _DF1S && (BYTE)(c) <= _DF1E) -#endif - -#ifdef _DS3S /* Three 2nd byte areas */ -#define IsDBCS2(c) (((BYTE)(c) >= _DS1S && (BYTE)(c) <= _DS1E) || ((BYTE)(c) >= _DS2S && (BYTE)(c) <= _DS2E) || ((BYTE)(c) >= _DS3S && (BYTE)(c) <= _DS3E)) -#else /* Two 2nd byte areas */ -#define IsDBCS2(c) (((BYTE)(c) >= _DS1S && (BYTE)(c) <= _DS1E) || ((BYTE)(c) >= _DS2S && (BYTE)(c) <= _DS2E)) -#endif - -#else /* Code page is SBCS */ - -#define IsDBCS1(c) 0 -#define IsDBCS2(c) 0 - -#endif /* _DF1S */ - - -/* Name status flags */ -#define NS 11 /* Offset of name status byte */ -#define NS_LOSS 0x01 /* Out of 8.3 format */ -#define NS_LFN 0x02 /* Force to create LFN entry */ -#define NS_LAST 0x04 /* Last segment */ -#define NS_BODY 0x08 /* Lower case flag (body) */ -#define NS_EXT 0x10 /* Lower case flag (ext) */ -#define NS_DOT 0x20 /* Dot entry */ - - - -/*------------------------------------------------------------*/ -/* Work area */ - -#if !_DRIVES -#error Number of drives must not be 0. -#endif -static -WORD Fsid; /* File system mount ID */ -static -FATFS *FatFs[_DRIVES]; /* Pointer to the file system objects (logical drives) */ - -#if _FS_RPATH -static -BYTE Drive; /* Current drive */ -#endif - - -#if _USE_LFN == 0 /* No LFN */ -#define DEF_NAMEBUF BYTE sfn[12] -#define INIT_BUF(dobj) (dobj).fn = sfn -#define FREE_BUF() - -#elif _USE_LFN == 1 /* LFN with static LFN working buffer */ -static WCHAR LfnBuf[_MAX_LFN + 1]; -#define DEF_NAMEBUF BYTE sfn[12] -#define INIT_BUF(dobj) { (dobj).fn = sfn; (dobj).lfn = LfnBuf; } -#define FREE_BUF() - -#elif _USE_LFN == 2 /* LFN with dynamic LFN working buffer on the stack */ -#define DEF_NAMEBUF BYTE sfn[12]; WCHAR lbuf[_MAX_LFN + 1] -#define INIT_BUF(dobj) { (dobj).fn = sfn; (dobj).lfn = lbuf; } -#define FREE_BUF() - -#elif _USE_LFN == 3 /* LFN with dynamic LFN working buffer on the heap */ -#define DEF_NAMEBUF BYTE sfn[12]; WCHAR *lfn -#define INIT_BUF(dobj) { lfn = ff_memalloc((_MAX_LFN + 1) * 2); \ - if (!lfn) LEAVE_FF((dobj).fs, FR_NOT_ENOUGH_CORE); \ - (dobj).lfn = lfn; (dobj).fn = sfn; } -#define FREE_BUF() ff_memfree(lfn) - -#else -#error Wrong LFN configuration. -#endif - - - - -/*-------------------------------------------------------------------------- - - Module Private Functions - ----------------------------------------------------------------------------*/ - - -/*-----------------------------------------------------------------------*/ -/* String functions */ -/*-----------------------------------------------------------------------*/ - -/* Copy memory to memory */ -static -void mem_cpy (void* dst, const void* src, int cnt) { - BYTE *d = (BYTE*)dst; - const BYTE *s = (const BYTE*)src; - -#if _WORD_ACCESS == 1 - while (cnt >= sizeof(int)) { - *(int*)d = *(int*)s; - d += sizeof(int); s += sizeof(int); - cnt -= sizeof(int); - } -#endif - while (cnt--) - *d++ = *s++; -} - -/* Fill memory */ -static -void mem_set (void* dst, int val, int cnt) { - BYTE *d = (BYTE*)dst; - - while (cnt--) - *d++ = (BYTE)val; -} - -/* Compare memory to memory */ -static -int mem_cmp (const void* dst, const void* src, int cnt) { - const BYTE *d = (const BYTE *)dst, *s = (const BYTE *)src; - int r = 0; - - while (cnt-- && (r = *d++ - *s++) == 0) ; - return r; -} - -/* Check if chr is contained in the string */ -static -int chk_chr (const char* str, int chr) { - while (*str && *str != chr) str++; - return *str; -} - - - -/*-----------------------------------------------------------------------*/ -/* Request/Release grant to access the volume */ -/*-----------------------------------------------------------------------*/ -#if _FS_REENTRANT - -static -int lock_fs ( - FATFS *fs /* File system object */ -) -{ - return ff_req_grant(fs->sobj); -} - - -static -void unlock_fs ( - FATFS *fs, /* File system object */ - FRESULT res /* Result code to be returned */ -) -{ - if (res != FR_NOT_ENABLED && - res != FR_INVALID_DRIVE && - res != FR_INVALID_OBJECT && - res != FR_TIMEOUT) { - ff_rel_grant(fs->sobj); - } -} -#endif - - - -/*-----------------------------------------------------------------------*/ -/* File shareing control functions */ -/*-----------------------------------------------------------------------*/ -#if _FS_SHARE - -static -FRESULT chk_lock ( /* Check if the file can be accessed */ - FAT_DIR* dj, /* Directory object pointing the file to be checked */ - int acc /* Desired access (0:Read, 1:Write, 2:Delete/Rename) */ -) -{ - UINT i, be; - - /* Search file semaphore table */ - for (i = be = 0; i < _FS_SHARE; i++) { - if (dj->fs->flsem[i].ctr) { /* Existing entry */ - if (dj->fs->flsem[i].clu == dj->sclust && /* The file is found (identified with its location) */ - dj->fs->flsem[i].idx == dj->index) break; - } else { /* Blank entry */ - be++; - } - } - if (i == _FS_SHARE) /* The file has not been opened */ - return (be || acc != 2) ? FR_OK : FR_TOO_MANY_OPEN_FILES; /* Is there a blank entry for new file? */ - - /* The file has been opened. Reject any open against writing file and all write mode open */ - return (acc || dj->fs->flsem[i].ctr == 0x100) ? FR_LOCKED : FR_OK; -} - - -static -int enq_lock ( /* Check if an entry is available for a new file */ - FATFS* fs /* File system object */ -) -{ - UINT i; - - for (i = 0; i < _FS_SHARE && fs->flsem[i].ctr; i++) ; - return (i == _FS_SHARE) ? 0 : 1; -} - - -static -UINT inc_lock ( /* Increment file open counter and returns its index (0:int error) */ - FAT_DIR* dj, /* Directory object pointing the file to register or increment */ - int acc /* Desired access mode (0:Read, !0:Write) */ -) -{ - UINT i; - - - for (i = 0; i < _FS_SHARE; i++) { /* Find the file */ - if (dj->fs->flsem[i].ctr && - dj->fs->flsem[i].clu == dj->sclust && - dj->fs->flsem[i].idx == dj->index) break; - } - - if (i == _FS_SHARE) { /* Not opened. Register it as new. */ - for (i = 0; i < _FS_SHARE && dj->fs->flsem[i].ctr; i++) ; - if (i == _FS_SHARE) return 0; /* No space to register (int err) */ - dj->fs->flsem[i].clu = dj->sclust; - dj->fs->flsem[i].idx = dj->index; - } - - if (acc && dj->fs->flsem[i].ctr) return 0; /* Access violation (int err) */ - - dj->fs->flsem[i].ctr = acc ? 0x100 : dj->fs->flsem[i].ctr + 1; /* Set semaphore value */ - - return i + 1; -} - - -static -FRESULT dec_lock ( /* Decrement file open counter */ - FATFS* fs, /* File system object */ - UINT i /* Semaphore index */ -) -{ - WORD n; - FRESULT res; - - - if (--i < _FS_SHARE) { - n = fs->flsem[i].ctr; - if (n >= 0x100) n = 0; - if (n) n--; - fs->flsem[i].ctr = n; - res = FR_OK; - } else { - res = FR_INT_ERR; - } - return res; -} - -#endif - - - -/*-----------------------------------------------------------------------*/ -/* Change window offset */ -/*-----------------------------------------------------------------------*/ - -static -FRESULT move_window ( - FATFS *fs, /* File system object */ - DWORD sector /* Sector number to make appearance in the fs->win[] */ -) /* Move to zero only writes back dirty window */ -{ - DWORD wsect; - - - wsect = fs->winsect; - if (wsect != sector) { /* Changed current window */ -#if !_FS_READONLY - if (fs->wflag) { /* Write back dirty window if needed */ - if (disk_write(fs->drv, fs->win, wsect, 1) != RES_OK) - return FR_DISK_ERR; - fs->wflag = 0; - if (wsect < (fs->fatbase + fs->fsize)) { /* In FAT area */ - BYTE nf; - for (nf = fs->n_fats; nf > 1; nf--) { /* Reflect the change to all FAT copies */ - wsect += fs->fsize; - disk_write(fs->drv, fs->win, wsect, 1); - } - } - } -#endif - if (sector) { - if (disk_read(fs->drv, fs->win, sector, 1) != RES_OK) - return FR_DISK_ERR; - fs->winsect = sector; - } - } - - return FR_OK; -} - - - - -/*-----------------------------------------------------------------------*/ -/* Clean-up cached data */ -/*-----------------------------------------------------------------------*/ -#if !_FS_READONLY -static -FRESULT sync ( /* FR_OK: successful, FR_DISK_ERR: failed */ - FATFS *fs /* File system object */ -) -{ - FRESULT res; - - - res = move_window(fs, 0); - if (res == FR_OK) { - /* Update FSInfo sector if needed */ - if (fs->fs_type == FS_FAT32 && fs->fsi_flag) { - fs->winsect = 0; - mem_set(fs->win, 0, 512); - ST_WORD(fs->win+BS_55AA, 0xAA55); - ST_DWORD(fs->win+FSI_LeadSig, 0x41615252); - ST_DWORD(fs->win+FSI_StrucSig, 0x61417272); - ST_DWORD(fs->win+FSI_Free_Count, fs->free_clust); - ST_DWORD(fs->win+FSI_Nxt_Free, fs->last_clust); - disk_write(fs->drv, fs->win, fs->fsi_sector, 1); - fs->fsi_flag = 0; - } - /* Make sure that no pending write process in the physical drive */ - if (disk_ioctl(fs->drv, CTRL_SYNC, (void*)0) != RES_OK) - res = FR_DISK_ERR; - } - - return res; -} -#endif - - - - -/*-----------------------------------------------------------------------*/ -/* FAT access - Read value of a FAT entry */ -/*-----------------------------------------------------------------------*/ - - -DWORD get_fat ( /* 0xFFFFFFFF:Disk error, 1:Internal error, Else:Cluster status */ - FATFS *fs, /* File system object */ - DWORD clst /* Cluster# to get the link information */ -) -{ - UINT wc, bc; - BYTE *p; - - - if (clst < 2 || clst >= fs->n_fatent) /* Chack range */ - return 1; - - switch (fs->fs_type) { - case FS_FAT12 : - bc = (UINT)clst; bc += bc / 2; - if (move_window(fs, fs->fatbase + (bc / SS(fs)))) break; - wc = fs->win[bc % SS(fs)]; bc++; - if (move_window(fs, fs->fatbase + (bc / SS(fs)))) break; - wc |= fs->win[bc % SS(fs)] << 8; - return (clst & 1) ? (wc >> 4) : (wc & 0xFFF); - - case FS_FAT16 : - if (move_window(fs, fs->fatbase + (clst / (SS(fs) / 2)))) break; - p = &fs->win[clst * 2 % SS(fs)]; - return LD_WORD(p); - - case FS_FAT32 : - if (move_window(fs, fs->fatbase + (clst / (SS(fs) / 4)))) break; - p = &fs->win[clst * 4 % SS(fs)]; - return LD_DWORD(p) & 0x0FFFFFFF; - } - - return 0xFFFFFFFF; /* An error occurred at the disk I/O layer */ -} - - - - -/*-----------------------------------------------------------------------*/ -/* FAT access - Change value of a FAT entry */ -/*-----------------------------------------------------------------------*/ -#if !_FS_READONLY - -FRESULT put_fat ( - FATFS *fs, /* File system object */ - DWORD clst, /* Cluster# to be changed in range of 2 to fs->n_fatent - 1 */ - DWORD val /* New value to mark the cluster */ -) -{ - UINT bc; - BYTE *p; - FRESULT res; - - - if (clst < 2 || clst >= fs->n_fatent) { /* Check range */ - res = FR_INT_ERR; - - } else { - switch (fs->fs_type) { - case FS_FAT12 : - bc = clst; bc += bc / 2; - res = move_window(fs, fs->fatbase + (bc / SS(fs))); - if (res != FR_OK) break; - p = &fs->win[bc % SS(fs)]; - *p = (clst & 1) ? ((*p & 0x0F) | ((BYTE)val << 4)) : (BYTE)val; - bc++; - fs->wflag = 1; - res = move_window(fs, fs->fatbase + (bc / SS(fs))); - if (res != FR_OK) break; - p = &fs->win[bc % SS(fs)]; - *p = (clst & 1) ? (BYTE)(val >> 4) : ((*p & 0xF0) | ((BYTE)(val >> 8) & 0x0F)); - break; - - case FS_FAT16 : - res = move_window(fs, fs->fatbase + (clst / (SS(fs) / 2))); - if (res != FR_OK) break; - p = &fs->win[clst * 2 % SS(fs)]; - ST_WORD(p, (WORD)val); - break; - - case FS_FAT32 : - res = move_window(fs, fs->fatbase + (clst / (SS(fs) / 4))); - if (res != FR_OK) break; - p = &fs->win[clst * 4 % SS(fs)]; - val |= LD_DWORD(p) & 0xF0000000; - ST_DWORD(p, val); - break; - - default : - res = FR_INT_ERR; - } - fs->wflag = 1; - } - - return res; -} -#endif /* !_FS_READONLY */ - - - - -/*-----------------------------------------------------------------------*/ -/* FAT handling - Remove a cluster chain */ -/*-----------------------------------------------------------------------*/ -#if !_FS_READONLY -static -FRESULT remove_chain ( - FATFS *fs, /* File system object */ - DWORD clst /* Cluster# to remove a chain from */ -) -{ - FRESULT res; - DWORD nxt; - - - if (clst < 2 || clst >= fs->n_fatent) { /* Check range */ - res = FR_INT_ERR; - - } else { - res = FR_OK; - while (clst < fs->n_fatent) { /* Not a last link? */ - nxt = get_fat(fs, clst); /* Get cluster status */ - if (nxt == 0) break; /* Empty cluster? */ - if (nxt == 1) { res = FR_INT_ERR; break; } /* Internal error? */ - if (nxt == 0xFFFFFFFF) { res = FR_DISK_ERR; break; } /* Disk error? */ - res = put_fat(fs, clst, 0); /* Mark the cluster "empty" */ - if (res != FR_OK) break; - if (fs->free_clust != 0xFFFFFFFF) { /* Update FSInfo */ - fs->free_clust++; - fs->fsi_flag = 1; - } - clst = nxt; /* Next cluster */ - } - } - - return res; -} -#endif - - - - -/*-----------------------------------------------------------------------*/ -/* FAT handling - Stretch or Create a cluster chain */ -/*-----------------------------------------------------------------------*/ -#if !_FS_READONLY -static -DWORD create_chain ( /* 0:No free cluster, 1:Internal error, 0xFFFFFFFF:Disk error, >=2:New cluster# */ - FATFS *fs, /* File system object */ - DWORD clst /* Cluster# to stretch. 0 means create a new chain. */ -) -{ - DWORD cs, ncl, scl; - - - if (clst == 0) { /* Create a new chain */ - scl = fs->last_clust; /* Get suggested start point */ - if (!scl || scl >= fs->n_fatent) scl = 1; - } - else { /* Stretch the current chain */ - cs = get_fat(fs, clst); /* Check the cluster status */ - if (cs < 2) return 1; /* It is an invalid cluster */ - if (cs < fs->n_fatent) return cs; /* It is already followed by next cluster */ - scl = clst; - } - - ncl = scl; /* Start cluster */ - for (;;) { - ncl++; /* Next cluster */ - if (ncl >= fs->n_fatent) { /* Wrap around */ - ncl = 2; - if (ncl > scl) return 0; /* No free cluster */ - } - cs = get_fat(fs, ncl); /* Get the cluster status */ - if (cs == 0) break; /* Found a free cluster */ - if (cs == 0xFFFFFFFF || cs == 1)/* An error occurred */ - return cs; - if (ncl == scl) return 0; /* No free cluster */ - } - - if (put_fat(fs, ncl, 0x0FFFFFFF)) /* Mark the new cluster "last link" */ - return 0xFFFFFFFF; - if (clst != 0) { /* Link it to the previous one if needed */ - if (put_fat(fs, clst, ncl)) - return 0xFFFFFFFF; - } - - fs->last_clust = ncl; /* Update FSINFO */ - if (fs->free_clust != 0xFFFFFFFF) { - fs->free_clust--; - fs->fsi_flag = 1; - } - - return ncl; /* Return new cluster number */ -} -#endif /* !_FS_READONLY */ - - - - -/*-----------------------------------------------------------------------*/ -/* Get sector# from cluster# */ -/*-----------------------------------------------------------------------*/ - - -DWORD clust2sect ( /* !=0: Sector number, 0: Failed - invalid cluster# */ - FATFS *fs, /* File system object */ - DWORD clst /* Cluster# to be converted */ -) -{ - clst -= 2; - if (clst >= (fs->n_fatent - 2)) return 0; /* Invalid cluster# */ - return clst * fs->csize + fs->database; -} - - - - -/*-----------------------------------------------------------------------*/ -/* Directory handling - Set directory index */ -/*-----------------------------------------------------------------------*/ - -static -FRESULT dir_sdi ( - FAT_DIR *dj, /* Pointer to directory object */ - WORD idx /* Directory index number */ -) -{ - DWORD clst; - WORD ic; - - - dj->index = idx; - clst = dj->sclust; - if (clst == 1 || clst >= dj->fs->n_fatent) /* Check start cluster range */ - return FR_INT_ERR; - if (!clst && dj->fs->fs_type == FS_FAT32) /* Replace cluster# 0 with root cluster# if in FAT32 */ - clst = dj->fs->dirbase; - - if (clst == 0) { /* Static table */ - dj->clust = clst; - if (idx >= dj->fs->n_rootdir) /* Index is out of range */ - return FR_INT_ERR; - dj->sect = dj->fs->dirbase + idx / (SS(dj->fs) / 32); /* Sector# */ - } - else { /* Dynamic table */ - ic = SS(dj->fs) / 32 * dj->fs->csize; /* Entries per cluster */ - while (idx >= ic) { /* Follow cluster chain */ - clst = get_fat(dj->fs, clst); /* Get next cluster */ - if (clst == 0xFFFFFFFF) return FR_DISK_ERR; /* Disk error */ - if (clst < 2 || clst >= dj->fs->n_fatent) /* Reached to end of table or int error */ - return FR_INT_ERR; - idx -= ic; - } - dj->clust = clst; - dj->sect = clust2sect(dj->fs, clst) + idx / (SS(dj->fs) / 32); /* Sector# */ - } - - dj->dir = dj->fs->win + (idx % (SS(dj->fs) / 32)) * 32; /* Ptr to the entry in the sector */ - - return FR_OK; /* Seek succeeded */ -} - - - - -/*-----------------------------------------------------------------------*/ -/* Directory handling - Move directory index next */ -/*-----------------------------------------------------------------------*/ - -static -FRESULT dir_next ( /* FR_OK:Succeeded, FR_NO_FILE:End of table, FR_DENIED:EOT and could not stretch */ - FAT_DIR *dj, /* Pointer to directory object */ - int stretch /* 0: Do not stretch table, 1: Stretch table if needed */ -) -{ - DWORD clst; - WORD i; - - - i = dj->index + 1; - if (!i || !dj->sect) /* Report EOT when index has reached 65535 */ - return FR_NO_FILE; - - if (!(i % (SS(dj->fs) / 32))) { /* Sector changed? */ - dj->sect++; /* Next sector */ - - if (dj->clust == 0) { /* Static table */ - if (i >= dj->fs->n_rootdir) /* Report EOT when end of table */ - return FR_NO_FILE; - } - else { /* Dynamic table */ - if (((i / (SS(dj->fs) / 32)) & (dj->fs->csize - 1)) == 0) { /* Cluster changed? */ - clst = get_fat(dj->fs, dj->clust); /* Get next cluster */ - if (clst <= 1) return FR_INT_ERR; - if (clst == 0xFFFFFFFF) return FR_DISK_ERR; - if (clst >= dj->fs->n_fatent) { /* When it reached end of dynamic table */ -#if !_FS_READONLY - BYTE c; - if (!stretch) return FR_NO_FILE; /* When do not stretch, report EOT */ - clst = create_chain(dj->fs, dj->clust); /* Stretch cluster chain */ - if (clst == 0) return FR_DENIED; /* No free cluster */ - if (clst == 1) return FR_INT_ERR; - if (clst == 0xFFFFFFFF) return FR_DISK_ERR; - /* Clean-up stretched table */ - if (move_window(dj->fs, 0)) return FR_DISK_ERR; /* Flush active window */ - mem_set(dj->fs->win, 0, SS(dj->fs)); /* Clear window buffer */ - dj->fs->winsect = clust2sect(dj->fs, clst); /* Cluster start sector */ - for (c = 0; c < dj->fs->csize; c++) { /* Fill the new cluster with 0 */ - dj->fs->wflag = 1; - if (move_window(dj->fs, 0)) return FR_DISK_ERR; - dj->fs->winsect++; - } - dj->fs->winsect -= c; /* Rewind window address */ -#else - return FR_NO_FILE; /* Report EOT */ -#endif - } - dj->clust = clst; /* Initialize data for new cluster */ - dj->sect = clust2sect(dj->fs, clst); - } - } - } - - dj->index = i; - dj->dir = dj->fs->win + (i % (SS(dj->fs) / 32)) * 32; - - return FR_OK; -} - - - - -/*-----------------------------------------------------------------------*/ -/* LFN handling - Test/Pick/Fit an LFN segment from/to directory entry */ -/*-----------------------------------------------------------------------*/ -#if _USE_LFN -static -const BYTE LfnOfs[] = {1,3,5,7,9,14,16,18,20,22,24,28,30}; /* Offset of LFN chars in the directory entry */ - - -static -int cmp_lfn ( /* 1:Matched, 0:Not matched */ - WCHAR *lfnbuf, /* Pointer to the LFN to be compared */ - BYTE *dir /* Pointer to the directory entry containing a part of LFN */ -) -{ - int i, s; - WCHAR wc, uc; - - - i = ((dir[LDIR_Ord] & 0xBF) - 1) * 13; /* Get offset in the LFN buffer */ - s = 0; wc = 1; - do { - uc = LD_WORD(dir+LfnOfs[s]); /* Pick an LFN character from the entry */ - if (wc) { /* Last char has not been processed */ - wc = ff_wtoupper(uc); /* Convert it to upper case */ - if (i >= _MAX_LFN || wc != ff_wtoupper(lfnbuf[i++])) /* Compare it */ - return 0; /* Not matched */ - } else { - if (uc != 0xFFFF) return 0; /* Check filler */ - } - } while (++s < 13); /* Repeat until all chars in the entry are checked */ - - if ((dir[LDIR_Ord] & 0x40) && wc && lfnbuf[i]) /* Last segment matched but different length */ - return 0; - - return 1; /* The part of LFN matched */ -} - - - -static -int pick_lfn ( /* 1:Succeeded, 0:Buffer overflow */ - WCHAR *lfnbuf, /* Pointer to the Unicode-LFN buffer */ - BYTE *dir /* Pointer to the directory entry */ -) -{ - int i, s; - WCHAR wc, uc; - - - i = ((dir[LDIR_Ord] & 0x3F) - 1) * 13; /* Offset in the LFN buffer */ - - s = 0; wc = 1; - do { - uc = LD_WORD(dir+LfnOfs[s]); /* Pick an LFN character from the entry */ - if (wc) { /* Last char has not been processed */ - if (i >= _MAX_LFN) return 0; /* Buffer overflow? */ - lfnbuf[i++] = wc = uc; /* Store it */ - } else { - if (uc != 0xFFFF) return 0; /* Check filler */ - } - } while (++s < 13); /* Read all character in the entry */ - - if (dir[LDIR_Ord] & 0x40) { /* Put terminator if it is the last LFN part */ - if (i >= _MAX_LFN) return 0; /* Buffer overflow? */ - lfnbuf[i] = 0; - } - - return 1; -} - - -#if !_FS_READONLY -static -void fit_lfn ( - const WCHAR *lfnbuf, /* Pointer to the LFN buffer */ - BYTE *dir, /* Pointer to the directory entry */ - BYTE ord, /* LFN order (1-20) */ - BYTE sum /* SFN sum */ -) -{ - int i, s; - WCHAR wc; - - - dir[LDIR_Chksum] = sum; /* Set check sum */ - dir[LDIR_Attr] = AM_LFN; /* Set attribute. LFN entry */ - dir[LDIR_Type] = 0; - ST_WORD(dir+LDIR_FstClusLO, 0); - - i = (ord - 1) * 13; /* Get offset in the LFN buffer */ - s = wc = 0; - do { - if (wc != 0xFFFF) wc = lfnbuf[i++]; /* Get an effective char */ - ST_WORD(dir+LfnOfs[s], wc); /* Put it */ - if (!wc) wc = 0xFFFF; /* Padding chars following last char */ - } while (++s < 13); - if (wc == 0xFFFF || !lfnbuf[i]) ord |= 0x40; /* Bottom LFN part is the start of LFN sequence */ - dir[LDIR_Ord] = ord; /* Set the LFN order */ -} - -#endif -#endif - - - -/*-----------------------------------------------------------------------*/ -/* Create numbered name */ -/*-----------------------------------------------------------------------*/ -#if _USE_LFN -void gen_numname ( - BYTE *dst, /* Pointer to generated SFN */ - const BYTE *src, /* Pointer to source SFN to be modified */ - const WCHAR *lfn, /* Pointer to LFN */ - WORD seq /* Sequence number */ -) -{ - BYTE ns[8], c; - int i, j; - - - mem_cpy(dst, src, 11); - - if (seq > 5) { /* On many collisions, generate a hash number instead of sequential number */ - do seq = (seq >> 1) + (seq << 15) + (WORD)*lfn++; while (*lfn); - } - - /* itoa */ - i = 7; - do { - c = (seq % 16) + '0'; - if (c > '9') c += 7; - ns[i--] = c; - seq /= 16; - } while (seq); - ns[i] = '~'; - - /* Append the number */ - for (j = 0; j < i && dst[j] != ' '; j++) { - if (IsDBCS1(dst[j])) { - if (j == i - 1) break; - j++; - } - } - do { - dst[j++] = (i < 8) ? ns[i++] : ' '; - } while (j < 8); -} -#endif - - - - -/*-----------------------------------------------------------------------*/ -/* Calculate sum of an SFN */ -/*-----------------------------------------------------------------------*/ -#if _USE_LFN -static -BYTE sum_sfn ( - const BYTE *dir /* Ptr to directory entry */ -) -{ - BYTE sum = 0; - int n = 11; - - do sum = (sum >> 1) + (sum << 7) + *dir++; while (--n); - return sum; -} -#endif - - - - -/*-----------------------------------------------------------------------*/ -/* Directory handling - Find an object in the directory */ -/*-----------------------------------------------------------------------*/ - -static -FRESULT dir_find ( - FAT_DIR *dj /* Pointer to the directory object linked to the file name */ -) -{ - FRESULT res; - BYTE c, *dir; -#if _USE_LFN - BYTE a, ord, sum; -#endif - - res = dir_sdi(dj, 0); /* Rewind directory object */ - if (res != FR_OK) return res; - -#if _USE_LFN - ord = sum = 0xFF; -#endif - do { - res = move_window(dj->fs, dj->sect); - if (res != FR_OK) break; - dir = dj->dir; /* Ptr to the directory entry of current index */ - c = dir[DIR_Name]; - if (c == 0) { res = FR_NO_FILE; break; } /* Reached to end of table */ -#if _USE_LFN /* LFN configuration */ - a = dir[DIR_Attr] & AM_MASK; - if (c == 0xE5 || ((a & AM_VOL) && a != AM_LFN)) { /* An entry without valid data */ - ord = 0xFF; - } else { - if (a == AM_LFN) { /* An LFN entry is found */ - if (dj->lfn) { - if (c & 0x40) { /* Is it start of LFN sequence? */ - sum = dir[LDIR_Chksum]; - c &= 0xBF; ord = c; /* LFN start order */ - dj->lfn_idx = dj->index; - } - /* Check validity of the LFN entry and compare it with given name */ - ord = (c == ord && sum == dir[LDIR_Chksum] && cmp_lfn(dj->lfn, dir)) ? ord - 1 : 0xFF; - } - } else { /* An SFN entry is found */ - if (!ord && sum == sum_sfn(dir)) break; /* LFN matched? */ - ord = 0xFF; dj->lfn_idx = 0xFFFF; /* Reset LFN sequence */ - if (!(dj->fn[NS] & NS_LOSS) && !mem_cmp(dir, dj->fn, 11)) break; /* SFN matched? */ - } - } -#else /* Non LFN configuration */ - if (!(dir[DIR_Attr] & AM_VOL) && !mem_cmp(dir, dj->fn, 11)) /* Is it a valid entry? */ - break; -#endif - res = dir_next(dj, 0); /* Next entry */ - } while (res == FR_OK); - - return res; -} - - - - -/*-----------------------------------------------------------------------*/ -/* Read an object from the directory */ -/*-----------------------------------------------------------------------*/ -#if _FS_MINIMIZE <= 1 -static -FRESULT dir_read ( - FAT_DIR *dj /* Pointer to the directory object that pointing the entry to be read */ -) -{ - FRESULT res; - BYTE c, *dir; -#if _USE_LFN - BYTE a, ord = 0xFF, sum = 0xFF; -#endif - - res = FR_NO_FILE; - while (dj->sect) { - res = move_window(dj->fs, dj->sect); - if (res != FR_OK) break; - dir = dj->dir; /* Ptr to the directory entry of current index */ - c = dir[DIR_Name]; - if (c == 0) { res = FR_NO_FILE; break; } /* Reached to end of table */ -#if _USE_LFN /* LFN configuration */ - a = dir[DIR_Attr] & AM_MASK; - if (c == 0xE5 || (!_FS_RPATH && c == '.') || ((a & AM_VOL) && a != AM_LFN)) { /* An entry without valid data */ - ord = 0xFF; - } else { - if (a == AM_LFN) { /* An LFN entry is found */ - if (c & 0x40) { /* Is it start of LFN sequence? */ - sum = dir[LDIR_Chksum]; - c &= 0xBF; ord = c; - dj->lfn_idx = dj->index; - } - /* Check LFN validity and capture it */ - ord = (c == ord && sum == dir[LDIR_Chksum] && pick_lfn(dj->lfn, dir)) ? ord - 1 : 0xFF; - } else { /* An SFN entry is found */ - if (ord || sum != sum_sfn(dir)) /* Is there a valid LFN? */ - dj->lfn_idx = 0xFFFF; /* It has no LFN. */ - break; - } - } -#else /* Non LFN configuration */ - if (c != 0xE5 && (_FS_RPATH || c != '.') && !(dir[DIR_Attr] & AM_VOL)) /* Is it a valid entry? */ - break; -#endif - res = dir_next(dj, 0); /* Next entry */ - if (res != FR_OK) break; - } - - if (res != FR_OK) dj->sect = 0; - - return res; -} -#endif - - - -/*-----------------------------------------------------------------------*/ -/* Register an object to the directory */ -/*-----------------------------------------------------------------------*/ -#if !_FS_READONLY -static -FRESULT dir_register ( /* FR_OK:Successful, FR_DENIED:No free entry or too many SFN collision, FR_DISK_ERR:Disk error */ - FAT_DIR *dj /* Target directory with object name to be created */ -) -{ - FRESULT res; - BYTE c, *dir; -#if _USE_LFN /* LFN configuration */ - WORD n, ne, is; - BYTE sn[12], *fn, sum; - WCHAR *lfn; - - - fn = dj->fn; lfn = dj->lfn; - mem_cpy(sn, fn, 12); - - if (_FS_RPATH && (sn[NS] & NS_DOT)) return FR_INVALID_NAME; /* Cannot create dot entry */ - - if (sn[NS] & NS_LOSS) { /* When LFN is out of 8.3 format, generate a numbered name */ - fn[NS] = 0; dj->lfn = 0; /* Find only SFN */ - for (n = 1; n < 100; n++) { - gen_numname(fn, sn, lfn, n); /* Generate a numbered name */ - res = dir_find(dj); /* Check if the name collides with existing SFN */ - if (res != FR_OK) break; - } - if (n == 100) return FR_DENIED; /* Abort if too many collisions */ - if (res != FR_NO_FILE) return res; /* Abort if the result is other than 'not collided' */ - fn[NS] = sn[NS]; dj->lfn = lfn; - } - - if (sn[NS] & NS_LFN) { /* When LFN is to be created, reserve an SFN + LFN entries. */ - for (ne = 0; lfn[ne]; ne++) ; - ne = (ne + 25) / 13; - } else { /* Otherwise reserve only an SFN entry. */ - ne = 1; - } - - /* Reserve contiguous entries */ - res = dir_sdi(dj, 0); - if (res != FR_OK) return res; - n = is = 0; - do { - res = move_window(dj->fs, dj->sect); - if (res != FR_OK) break; - c = *dj->dir; /* Check the entry status */ - if (c == 0xE5 || c == 0) { /* Is it a blank entry? */ - if (n == 0) is = dj->index; /* First index of the contiguous entry */ - if (++n == ne) break; /* A contiguous entry that required count is found */ - } else { - n = 0; /* Not a blank entry. Restart to search */ - } - res = dir_next(dj, 1); /* Next entry with table stretch */ - } while (res == FR_OK); - - if (res == FR_OK && ne > 1) { /* Initialize LFN entry if needed */ - res = dir_sdi(dj, is); - if (res == FR_OK) { - sum = sum_sfn(dj->fn); /* Sum of the SFN tied to the LFN */ - ne--; - do { /* Store LFN entries in bottom first */ - res = move_window(dj->fs, dj->sect); - if (res != FR_OK) break; - fit_lfn(dj->lfn, dj->dir, (BYTE)ne, sum); - dj->fs->wflag = 1; - res = dir_next(dj, 0); /* Next entry */ - } while (res == FR_OK && --ne); - } - } - -#else /* Non LFN configuration */ - res = dir_sdi(dj, 0); - if (res == FR_OK) { - do { /* Find a blank entry for the SFN */ - res = move_window(dj->fs, dj->sect); - if (res != FR_OK) break; - c = *dj->dir; - if (c == 0xE5 || c == 0) break; /* Is it a blank entry? */ - res = dir_next(dj, 1); /* Next entry with table stretch */ - } while (res == FR_OK); - } -#endif - - if (res == FR_OK) { /* Initialize the SFN entry */ - res = move_window(dj->fs, dj->sect); - if (res == FR_OK) { - dir = dj->dir; - mem_set(dir, 0, 32); /* Clean the entry */ - mem_cpy(dir, dj->fn, 11); /* Put SFN */ -#if _USE_LFN - dir[DIR_NTres] = *(dj->fn+NS) & (NS_BODY | NS_EXT); /* Put NT flag */ -#endif - dj->fs->wflag = 1; - } - } - - return res; -} -#endif /* !_FS_READONLY */ - - - - -/*-----------------------------------------------------------------------*/ -/* Remove an object from the directory */ -/*-----------------------------------------------------------------------*/ -#if !_FS_READONLY && !_FS_MINIMIZE -static -FRESULT dir_remove ( /* FR_OK: Successful, FR_DISK_ERR: A disk error */ - FAT_DIR *dj /* Directory object pointing the entry to be removed */ -) -{ - FRESULT res; -#if _USE_LFN /* LFN configuration */ - WORD i; - - i = dj->index; /* SFN index */ - res = dir_sdi(dj, (WORD)((dj->lfn_idx == 0xFFFF) ? i : dj->lfn_idx)); /* Goto the SFN or top of the LFN entries */ - if (res == FR_OK) { - do { - res = move_window(dj->fs, dj->sect); - if (res != FR_OK) break; - *dj->dir = 0xE5; /* Mark the entry "deleted" */ - dj->fs->wflag = 1; - if (dj->index >= i) break; /* When reached SFN, all entries of the object has been deleted. */ - res = dir_next(dj, 0); /* Next entry */ - } while (res == FR_OK); - if (res == FR_NO_FILE) res = FR_INT_ERR; - } - -#else /* Non LFN configuration */ - res = dir_sdi(dj, dj->index); - if (res == FR_OK) { - res = move_window(dj->fs, dj->sect); - if (res == FR_OK) { - *dj->dir = 0xE5; /* Mark the entry "deleted" */ - dj->fs->wflag = 1; - } - } -#endif - - return res; -} -#endif /* !_FS_READONLY */ - - - - -/*-----------------------------------------------------------------------*/ -/* Pick a segment and create the object name in directory form */ -/*-----------------------------------------------------------------------*/ - -static -FRESULT create_name ( - FAT_DIR *dj, /* Pointer to the directory object */ - const TCHAR **path /* Pointer to pointer to the segment in the path string */ -) -{ -#ifdef _EXCVT - static const BYTE excvt[] = _EXCVT; /* Upper conversion table for extended chars */ -#endif - -#if _USE_LFN /* LFN configuration */ - BYTE b, cf; - WCHAR w, *lfn; - int i, ni, si, di; - const TCHAR *p; - - /* Create LFN in Unicode */ - si = di = 0; - p = *path; - lfn = dj->lfn; - for (;;) { - w = p[si++]; /* Get a character */ - if (w < ' ' || w == '/' || w == '\\') break; /* Break on end of segment */ - if (di >= _MAX_LFN) /* Reject too long name */ - return FR_INVALID_NAME; -#if !_LFN_UNICODE - w &= 0xFF; - if (IsDBCS1(w)) { /* If it is a DBC 1st byte */ - b = p[si++]; /* Get 2nd byte */ - if (!IsDBCS2(b)) /* Reject invalid code for DBC */ - return FR_INVALID_NAME; - w = (w << 8) + b; - } - w = ff_convert(w, 1); /* Convert OEM to Unicode */ - if (!w) return FR_INVALID_NAME; /* Reject invalid code */ -#endif - if (w < 0x80 && chk_chr("\"*:<>\?|\x7F", w)) /* Reject illegal chars for LFN */ - return FR_INVALID_NAME; - lfn[di++] = w; /* Store the Unicode char */ - } - *path = &p[si]; /* Return pointer to the next segment */ - cf = (w < ' ') ? NS_LAST : 0; /* Set last segment flag if end of path */ -#if _FS_RPATH - if ((di == 1 && lfn[di - 1] == '.') || /* Is this a dot entry? */ - (di == 2 && lfn[di - 1] == '.' && lfn[di - 2] == '.')) { - lfn[di] = 0; - for (i = 0; i < 11; i++) - dj->fn[i] = (i < di) ? '.' : ' '; - dj->fn[i] = cf | NS_DOT; /* This is a dot entry */ - return FR_OK; - } -#endif - while (di) { /* Strip trailing spaces and dots */ - w = lfn[di - 1]; - if (w != ' ' && w != '.') break; - di--; - } - if (!di) return FR_INVALID_NAME; /* Reject nul string */ - - lfn[di] = 0; /* LFN is created */ - - /* Create SFN in directory form */ - mem_set(dj->fn, ' ', 11); - for (si = 0; lfn[si] == ' ' || lfn[si] == '.'; si++) ; /* Strip leading spaces and dots */ - if (si) cf |= NS_LOSS | NS_LFN; - while (di && lfn[di - 1] != '.') di--; /* Find extension (di<=si: no extension) */ - - b = i = 0; ni = 8; - for (;;) { - w = lfn[si++]; /* Get an LFN char */ - if (!w) break; /* Break on end of the LFN */ - if (w == ' ' || (w == '.' && si != di)) { /* Remove spaces and dots */ - cf |= NS_LOSS | NS_LFN; continue; - } - - if (i >= ni || si == di) { /* Extension or end of SFN */ - if (ni == 11) { /* Long extension */ - cf |= NS_LOSS | NS_LFN; break; - } - if (si != di) cf |= NS_LOSS | NS_LFN; /* Out of 8.3 format */ - if (si > di) break; /* No extension */ - si = di; i = 8; ni = 11; /* Enter extension section */ - b <<= 2; continue; - } - - if (w >= 0x80) { /* Non ASCII char */ -#ifdef _EXCVT - w = ff_convert(w, 0); /* Unicode -> OEM code */ - if (w) w = excvt[w - 0x80]; /* Convert extended char to upper (SBCS) */ -#else - w = ff_convert(ff_wtoupper(w), 0); /* Upper converted Unicode -> OEM code */ -#endif - cf |= NS_LFN; /* Force create LFN entry */ - } - - if (_DF1S && w >= 0x100) { /* Double byte char */ - if (i >= ni - 1) { - cf |= NS_LOSS | NS_LFN; i = ni; continue; - } - dj->fn[i++] = (BYTE)(w >> 8); - } else { /* Single byte char */ - if (!w || chk_chr("+,;=[]", w)) { /* Replace illegal chars for SFN */ - w = '_'; cf |= NS_LOSS | NS_LFN; /* Lossy conversion */ - } else { - if (IsUpper(w)) { /* ASCII large capital */ - b |= 2; - } else { - if (IsLower(w)) { /* ASCII small capital */ - b |= 1; w -= 0x20; - } - } - } - } - dj->fn[i++] = (BYTE)w; - } - - if (dj->fn[0] == 0xE5) dj->fn[0] = 0x05; /* If the first char collides with deleted mark, replace it with 0x05 */ - - if (ni == 8) b <<= 2; - if ((b & 0x0C) == 0x0C || (b & 0x03) == 0x03) /* Create LFN entry when there are composite capitals */ - cf |= NS_LFN; - if (!(cf & NS_LFN)) { /* When LFN is in 8.3 format without extended char, NT flags are created */ - if ((b & 0x03) == 0x01) cf |= NS_EXT; /* NT flag (Extension has only small capital) */ - if ((b & 0x0C) == 0x04) cf |= NS_BODY; /* NT flag (Filename has only small capital) */ - } - - dj->fn[NS] = cf; /* SFN is created */ - - return FR_OK; - - -#else /* Non-LFN configuration */ - BYTE b, c, d, *sfn; - int ni, si, i; - const char *p; - - /* Create file name in directory form */ - sfn = dj->fn; - mem_set(sfn, ' ', 11); - si = i = b = 0; ni = 8; - p = *path; -#if _FS_RPATH - if (p[si] == '.') { /* Is this a dot entry? */ - for (;;) { - c = (BYTE)p[si++]; - if (c != '.' || si >= 3) break; - sfn[i++] = c; - } - if (c != '/' && c != '\\' && c > ' ') return FR_INVALID_NAME; - *path = &p[si]; /* Return pointer to the next segment */ - sfn[NS] = (c <= ' ') ? NS_LAST | NS_DOT : NS_DOT; /* Set last segment flag if end of path */ - return FR_OK; - } -#endif - for (;;) { - c = (BYTE)p[si++]; - if (c <= ' ' || c == '/' || c == '\\') break; /* Break on end of segment */ - if (c == '.' || i >= ni) { - if (ni != 8 || c != '.') return FR_INVALID_NAME; - i = 8; ni = 11; - b <<= 2; continue; - } - if (c >= 0x80) { /* Extended char */ -#ifdef _EXCVT - c = excvt[c - 0x80]; /* Convert extend char (SBCS) */ -#else - b |= 3; /* Eliminate NT flag if extended char is exist */ -#if !_DF1S /* ASCII only cfg */ - return FR_INVALID_NAME; -#endif -#endif - } - if (IsDBCS1(c)) { /* DBC 1st byte? */ - d = (BYTE)p[si++]; /* Get 2nd byte */ - if (!IsDBCS2(d) || i >= ni - 1) /* Reject invalid DBC */ - return FR_INVALID_NAME; - sfn[i++] = c; - sfn[i++] = d; - } else { /* Single byte code */ - if (chk_chr("\"*+,:<=>\?[]|\x7F", c)) /* Reject illegal chrs for SFN */ - return FR_INVALID_NAME; - if (IsUpper(c)) { /* ASCII large capital? */ - b |= 2; - } else { - if (IsLower(c)) { /* ASCII small capital? */ - b |= 1; c -= 0x20; - } - } - sfn[i++] = c; - } - } - *path = &p[si]; /* Return pointer to the next segment */ - c = (c <= ' ') ? NS_LAST : 0; /* Set last segment flag if end of path */ - - if (!i) return FR_INVALID_NAME; /* Reject nul string */ - if (sfn[0] == 0xE5) sfn[0] = 0x05; /* When first char collides with 0xE5, replace it with 0x05 */ - - if (ni == 8) b <<= 2; - if ((b & 0x03) == 0x01) c |= NS_EXT; /* NT flag (Name extension has only small capital) */ - if ((b & 0x0C) == 0x04) c |= NS_BODY; /* NT flag (Name body has only small capital) */ - - sfn[NS] = c; /* Store NT flag, File name is created */ - - return FR_OK; -#endif -} - - - - -/*-----------------------------------------------------------------------*/ -/* Get file information from directory entry */ -/*-----------------------------------------------------------------------*/ -#if _FS_MINIMIZE <= 1 -static -void get_fileinfo ( /* No return code */ - FAT_DIR *dj, /* Pointer to the directory object */ - FILINFO *fno /* Pointer to the file information to be filled */ -) -{ - int i; - BYTE nt, *dir; - TCHAR *p, c; - - - p = fno->fname; - if (dj->sect) { - dir = dj->dir; - nt = dir[DIR_NTres]; /* NT flag */ - for (i = 0; i < 8; i++) { /* Copy name body */ - c = dir[i]; - if (c == ' ') break; - if (c == 0x05) c = (TCHAR)0xE5; - if (_USE_LFN && (nt & NS_BODY) && IsUpper(c)) c += 0x20; -#if _LFN_UNICODE - if (IsDBCS1(c) && i < 7 && IsDBCS2(dir[i + 1])) - c = (c << 8) | dir[++i]; - c = ff_convert(c, 1); - if (!c) c = '?'; -#endif - *p++ = c; - } - if (dir[8] != ' ') { /* Copy name extension */ - *p++ = '.'; - for (i = 8; i < 11; i++) { - c = dir[i]; - if (c == ' ') break; - if (_USE_LFN && (nt & NS_EXT) && IsUpper(c)) c += 0x20; -#if _LFN_UNICODE - if (IsDBCS1(c) && i < 10 && IsDBCS2(dir[i + 1])) - c = (c << 8) | dir[++i]; - c = ff_convert(c, 1); - if (!c) c = '?'; -#endif - *p++ = c; - } - } - fno->fattrib = dir[DIR_Attr]; /* Attribute */ - fno->fsize = LD_DWORD(dir+DIR_FileSize); /* Size */ - fno->fdate = LD_WORD(dir+DIR_WrtDate); /* Date */ - fno->ftime = LD_WORD(dir+DIR_WrtTime); /* Time */ - } - *p = 0; - -#if _USE_LFN - if (fno->lfname) { - TCHAR *tp = fno->lfname; - WCHAR w, *lfn; - - i = 0; - if (dj->sect && dj->lfn_idx != 0xFFFF) {/* Get LFN if available */ - lfn = dj->lfn; - while ((w = *lfn++) != 0) { /* Get an LFN char */ -#if !_LFN_UNICODE - w = ff_convert(w, 0); /* Unicode -> OEM conversion */ - if (!w) { i = 0; break; } /* Could not convert, no LFN */ - if (_DF1S && w >= 0x100) /* Put 1st byte if it is a DBC */ - tp[i++] = (TCHAR)(w >> 8); -#endif - if (i >= fno->lfsize - 1) { i = 0; break; } /* Buffer overrun, no LFN */ - tp[i++] = (TCHAR)w; - } - } - tp[i] = 0; /* Terminator */ - } -#endif -} -#endif /* _FS_MINIMIZE <= 1 */ - - - - -/*-----------------------------------------------------------------------*/ -/* Follow a file path */ -/*-----------------------------------------------------------------------*/ - -static -FRESULT follow_path ( /* FR_OK(0): successful, !=0: error code */ - FAT_DIR *dj, /* Directory object to return last directory and found object */ - const TCHAR *path /* Full-path string to find a file or directory */ -) -{ - FRESULT res; - BYTE *dir, ns; - - -#if _FS_RPATH - if (*path == '/' || *path == '\\') { /* There is a heading separator */ - path++; dj->sclust = 0; /* Strip it and start from the root dir */ - } else { /* No heading separator */ - dj->sclust = dj->fs->cdir; /* Start from the current dir */ - } -#else - if (*path == '/' || *path == '\\') /* Strip heading separator if exist */ - path++; - dj->sclust = 0; /* Start from the root dir */ -#endif - - if ((UINT)*path < ' ') { /* Nul path means the start directory itself */ - res = dir_sdi(dj, 0); - dj->dir = 0; - - } else { /* Follow path */ - for (;;) { - res = create_name(dj, &path); /* Get a segment */ - if (res != FR_OK) break; - res = dir_find(dj); /* Find it */ - ns = *(dj->fn+NS); - if (res != FR_OK) { /* Failed to find the object */ - if (res != FR_NO_FILE) break; /* Abort if any hard error occured */ - /* Object not found */ - if (_FS_RPATH && (ns & NS_DOT)) { /* If dot entry is not exit */ - dj->sclust = 0; dj->dir = 0; /* It is the root dir */ - res = FR_OK; - if (!(ns & NS_LAST)) continue; - } else { /* Could not find the object */ - if (!(ns & NS_LAST)) res = FR_NO_PATH; - } - break; - } - if (ns & NS_LAST) break; /* Last segment match. Function completed. */ - dir = dj->dir; /* There is next segment. Follow the sub directory */ - if (!(dir[DIR_Attr] & AM_DIR)) { /* Cannot follow because it is a file */ - res = FR_NO_PATH; break; - } - dj->sclust = ((DWORD)LD_WORD(dir+DIR_FstClusHI) << 16) | LD_WORD(dir+DIR_FstClusLO); - } - } - - return res; -} - - - - -/*-----------------------------------------------------------------------*/ -/* Load boot record and check if it is an FAT boot record */ -/*-----------------------------------------------------------------------*/ - -static -BYTE check_fs ( /* 0:The FAT BR, 1:Valid BR but not an FAT, 2:Not a BR, 3:Disk error */ - FATFS *fs, /* File system object */ - DWORD sect /* Sector# (lba) to check if it is an FAT boot record or not */ -) -{ - if (disk_read(fs->drv, fs->win, sect, 1) != RES_OK) /* Load boot record */ - return 3; - if (LD_WORD(&fs->win[BS_55AA]) != 0xAA55) /* Check record signature (always placed at offset 510 even if the sector size is >512) */ - return 2; - - if ((LD_DWORD(&fs->win[BS_FilSysType]) & 0xFFFFFF) == 0x544146) /* Check "FAT" string */ - return 0; - if ((LD_DWORD(&fs->win[BS_FilSysType32]) & 0xFFFFFF) == 0x544146) - return 0; - - return 1; -} - - - - -/*-----------------------------------------------------------------------*/ -/* Make sure that the file system is valid */ -/*-----------------------------------------------------------------------*/ - -static -FRESULT chk_mounted ( /* FR_OK(0): successful, !=0: any error occurred */ - const TCHAR **path, /* Pointer to pointer to the path name (drive number) */ - FATFS **rfs, /* Pointer to pointer to the found file system object */ - BYTE chk_wp /* !=0: Check media write protection for write access */ -) -{ - BYTE fmt, b, *tbl; - UINT vol; - DSTATUS stat; - DWORD bsect, fasize, tsect, sysect, nclst, szbfat; - WORD nrsv; - const TCHAR *p = *path; - FATFS *fs; - - /* Get logical drive number from the path name */ - vol = p[0] - '0'; /* Is there a drive number? */ - if (vol <= 9 && p[1] == ':') { /* Found a drive number, get and strip it */ - p += 2; *path = p; /* Return pointer to the path name */ - } else { /* No drive number is given */ -#if _FS_RPATH - vol = Drive; /* Use current drive */ -#else - vol = 0; /* Use drive 0 */ -#endif - } - - /* Check if the logical drive is valid or not */ - if (vol >= _DRIVES) /* Is the drive number valid? */ - return FR_INVALID_DRIVE; - *rfs = fs = FatFs[vol]; /* Return pointer to the corresponding file system object */ - if (!fs) return FR_NOT_ENABLED; /* Is the file system object available? */ - - ENTER_FF(fs); /* Lock file system */ - - if (fs->fs_type) { /* If the logical drive has been mounted */ - stat = disk_status(fs->drv); - if (!(stat & STA_NOINIT)) { /* and the physical drive is kept initialized (has not been changed), */ -#if !_FS_READONLY - if (chk_wp && (stat & STA_PROTECT)) /* Check write protection if needed */ - return FR_WRITE_PROTECTED; -#endif - return FR_OK; /* The file system object is valid */ - } - } - - /* The logical drive must be mounted. Following code attempts to mount the volume (initialize the file system object) */ - - fs->fs_type = 0; /* Clear the file system object */ - fs->drv = (BYTE)LD2PD(vol); /* Bind the logical drive and a physical drive */ - stat = disk_initialize(fs->drv); /* Initialize low level disk I/O layer */ - if (stat & STA_NOINIT) /* Check if the drive is ready */ - return FR_NOT_READY; -#if _MAX_SS != 512 /* Get disk sector size if needed */ - if (disk_ioctl(fs->drv, GET_SECTOR_SIZE, &SS(fs)) != RES_OK || SS(fs) > _MAX_SS) - return FR_NO_FILESYSTEM; -#endif -#if !_FS_READONLY - if (chk_wp && (stat & STA_PROTECT)) /* Check disk write protection if needed */ - return FR_WRITE_PROTECTED; -#endif - /* Search FAT partition on the drive (Supports only generic partitionings, FDISK and SFD) */ - fmt = check_fs(fs, bsect = 0); /* Check sector 0 if it is a VBR */ - if (fmt == 1) { /* Not an FAT-VBR, the disk may be partitioned */ - /* Check the partition listed in top of the partition table */ - tbl = &fs->win[MBR_Table + LD2PT(vol) * 16]; /* Partition table */ - if (tbl[4]) { /* Is the partition existing? */ - bsect = LD_DWORD(&tbl[8]); /* Partition offset in LBA */ - fmt = check_fs(fs, bsect); /* Check the partition */ - } - } - if (fmt == 3) return FR_DISK_ERR; - if (fmt) return FR_NO_FILESYSTEM; /* No FAT volume is found */ - - /* Following code initializes the file system object */ - - if (LD_WORD(fs->win+BPB_BytsPerSec) != SS(fs)) /* (BPB_BytsPerSec must be equal to the physical sector size) */ - return FR_NO_FILESYSTEM; - - fasize = LD_WORD(fs->win+BPB_FATSz16); /* Number of sectors per FAT */ - if (!fasize) fasize = LD_DWORD(fs->win+BPB_FATSz32); - fs->fsize = fasize; - - fs->n_fats = b = fs->win[BPB_NumFATs]; /* Number of FAT copies */ - if (b != 1 && b != 2) return FR_NO_FILESYSTEM; /* (Must be 1 or 2) */ - fasize *= b; /* Number of sectors for FAT area */ - - fs->csize = b = fs->win[BPB_SecPerClus]; /* Number of sectors per cluster */ - if (!b || (b & (b - 1))) return FR_NO_FILESYSTEM; /* (Must be 1,2,4...128) */ - - fs->n_rootdir = LD_WORD(fs->win+BPB_RootEntCnt); /* Number of root directory entries */ - if (fs->n_rootdir % (SS(fs) / 32)) return FR_NO_FILESYSTEM; /* (BPB_RootEntCnt must be sector aligned) */ - - tsect = LD_WORD(fs->win+BPB_TotSec16); /* Number of sectors on the volume */ - if (!tsect) tsect = LD_DWORD(fs->win+BPB_TotSec32); - - nrsv = LD_WORD(fs->win+BPB_RsvdSecCnt); /* Number of reserved sectors */ - if (!nrsv) return FR_NO_FILESYSTEM; /* (BPB_RsvdSecCnt must not be 0) */ - - /* Determine the FAT sub type */ - sysect = nrsv + fasize + fs->n_rootdir / (SS(fs) / 32); /* RSV+FAT+DIR */ - if (tsect < sysect) return FR_NO_FILESYSTEM; /* (Invalid volume size) */ - nclst = (tsect - sysect) / fs->csize; /* Number of clusters */ - if (!nclst) return FR_NO_FILESYSTEM; /* (Invalid volume size) */ - fmt = FS_FAT12; - if (nclst >= MIN_FAT16) fmt = FS_FAT16; - if (nclst >= MIN_FAT32) fmt = FS_FAT32; - - /* Boundaries and Limits */ - fs->n_fatent = nclst + 2; /* Number of FAT entries */ - fs->database = bsect + sysect; /* Data start sector */ - fs->fatbase = bsect + nrsv; /* FAT start sector */ - if (fmt == FS_FAT32) { - if (fs->n_rootdir) return FR_NO_FILESYSTEM; /* (BPB_RootEntCnt must be 0) */ - fs->dirbase = LD_DWORD(fs->win+BPB_RootClus); /* Root directory start cluster */ - szbfat = fs->n_fatent * 4; /* (Required FAT size) */ - } else { - if (!fs->n_rootdir) return FR_NO_FILESYSTEM; /* (BPB_RootEntCnt must not be 0) */ - fs->dirbase = fs->fatbase + fasize; /* Root directory start sector */ - szbfat = (fmt == FS_FAT16) ? /* (Required FAT size) */ - fs->n_fatent * 2 : fs->n_fatent * 3 / 2 + (fs->n_fatent & 1); - } - if (fs->fsize < (szbfat + (SS(fs) - 1)) / SS(fs)) /* (FAT size must not be less than FAT sectors */ - return FR_NO_FILESYSTEM; - -#if !_FS_READONLY - /* Initialize cluster allocation information */ - fs->free_clust = 0xFFFFFFFF; - fs->last_clust = 0; - - /* Get fsinfo if available */ - if (fmt == FS_FAT32) { - fs->fsi_flag = 0; - fs->fsi_sector = bsect + LD_WORD(fs->win+BPB_FSInfo); - if (disk_read(fs->drv, fs->win, fs->fsi_sector, 1) == RES_OK && - LD_WORD(fs->win+BS_55AA) == 0xAA55 && - LD_DWORD(fs->win+FSI_LeadSig) == 0x41615252 && - LD_DWORD(fs->win+FSI_StrucSig) == 0x61417272) { - fs->last_clust = LD_DWORD(fs->win+FSI_Nxt_Free); - fs->free_clust = LD_DWORD(fs->win+FSI_Free_Count); - } - } -#endif - fs->fs_type = fmt; /* FAT sub-type */ - fs->id = ++Fsid; /* File system mount ID */ - fs->winsect = 0; /* Invalidate sector cache */ - fs->wflag = 0; -#if _FS_RPATH - fs->cdir = 0; /* Current directory (root dir) */ -#endif -#if _FS_SHARE /* Clear file lock semaphores */ - for (vol = 0; vol < _FS_SHARE; vol++) - fs->flsem[vol].ctr = 0; -#endif - - return FR_OK; -} - - - - -/*-----------------------------------------------------------------------*/ -/* Check if the file/dir object is valid or not */ -/*-----------------------------------------------------------------------*/ - -static -FRESULT validate ( /* FR_OK(0): The object is valid, !=0: Invalid */ - FATFS *fs, /* Pointer to the file system object */ - WORD id /* Member id of the target object to be checked */ -) -{ - if (!fs || !fs->fs_type || fs->id != id) - return FR_INVALID_OBJECT; - - ENTER_FF(fs); /* Lock file system */ - - if (disk_status(fs->drv) & STA_NOINIT) - return FR_NOT_READY; - - return FR_OK; -} - - - - -/*-------------------------------------------------------------------------- - - Public Functions - ---------------------------------------------------------------------------*/ - - - -/*-----------------------------------------------------------------------*/ -/* Mount/Unmount a Logical Drive */ -/*-----------------------------------------------------------------------*/ - -FRESULT f_mount ( - BYTE vol, /* Logical drive number to be mounted/unmounted */ - FATFS *fs /* Pointer to new file system object (NULL for unmount)*/ -) -{ - FATFS *rfs; - - - if (vol >= _DRIVES) /* Check if the drive number is valid */ - return FR_INVALID_DRIVE; - rfs = FatFs[vol]; /* Get current fs object */ - - if (rfs) { -#if _FS_REENTRANT /* Discard sync object of the current volume */ - if (!ff_del_syncobj(rfs->sobj)) return FR_INT_ERR; -#endif - rfs->fs_type = 0; /* Clear old fs object */ - } - - if (fs) { - fs->fs_type = 0; /* Clear new fs object */ -#if _FS_REENTRANT /* Create sync object for the new volume */ - if (!ff_cre_syncobj(vol, &fs->sobj)) return FR_INT_ERR; -#endif - } - FatFs[vol] = fs; /* Register new fs object */ - - return FR_OK; -} - - - - -/*-----------------------------------------------------------------------*/ -/* Open or Create a File */ -/*-----------------------------------------------------------------------*/ - -FRESULT f_open ( - FAT_FIL *fp, /* Pointer to the blank file object */ - const TCHAR *path, /* Pointer to the file name */ - BYTE mode /* Access mode and file open mode flags */ -) -{ - FRESULT res; - FAT_DIR dj; - BYTE *dir; - DEF_NAMEBUF; - - - fp->fs = 0; /* Clear file object */ - -#if !_FS_READONLY - mode &= FA_READ | FA_WRITE | FA_CREATE_ALWAYS | FA_OPEN_ALWAYS | FA_CREATE_NEW; - res = chk_mounted(&path, &dj.fs, (BYTE)(mode & ~FA_READ)); -#else - mode &= FA_READ; - res = chk_mounted(&path, &dj.fs, 0); -#endif - INIT_BUF(dj); - if (res == FR_OK) - res = follow_path(&dj, path); /* Follow the file path */ - dir = dj.dir; - -#if !_FS_READONLY /* R/W configuration */ - if (res == FR_OK) { - if (!dir) /* Current dir itself */ - res = FR_INVALID_NAME; -#if _FS_SHARE - else - res = chk_lock(&dj, (mode & ~FA_READ) ? 1 : 0); -#endif - } - /* Create or Open a file */ - if (mode & (FA_CREATE_ALWAYS | FA_OPEN_ALWAYS | FA_CREATE_NEW)) { - DWORD dw, cl; - - if (res != FR_OK) { /* No file, create new */ - if (res == FR_NO_FILE) /* There is no file to open, create a new entry */ -#if _FS_SHARE - res = enq_lock(dj.fs) ? dir_register(&dj) : FR_TOO_MANY_OPEN_FILES; -#else - res = dir_register(&dj); -#endif - mode |= FA_CREATE_ALWAYS; - dir = dj.dir; /* New entry */ - } - else { /* Any object is already existing */ - if (mode & FA_CREATE_NEW) { /* Cannot create new */ - res = FR_EXIST; - } else { - if (dir[DIR_Attr] & (AM_RDO | AM_DIR)) /* Cannot overwrite it (R/O or DIR) */ - res = FR_DENIED; - } - } - if (res == FR_OK && (mode & FA_CREATE_ALWAYS)) { /* Truncate it if overwrite mode */ - dw = get_fattime(); /* Created time */ - ST_DWORD(dir+DIR_CrtTime, dw); - dir[DIR_Attr] = 0; /* Reset attribute */ - ST_DWORD(dir+DIR_FileSize, 0); /* size = 0 */ - cl = ((DWORD)LD_WORD(dir+DIR_FstClusHI) << 16) | LD_WORD(dir+DIR_FstClusLO); /* Get start cluster */ - ST_WORD(dir+DIR_FstClusHI, 0); /* cluster = 0 */ - ST_WORD(dir+DIR_FstClusLO, 0); - dj.fs->wflag = 1; - if (cl) { /* Remove the cluster chain if exist */ - dw = dj.fs->winsect; - res = remove_chain(dj.fs, cl); - if (res == FR_OK) { - dj.fs->last_clust = cl - 1; /* Reuse the cluster hole */ - res = move_window(dj.fs, dw); - } - } - } - } - else { /* Open an existing file */ - if (res == FR_OK) { /* Follow succeeded */ - if (dir[DIR_Attr] & AM_DIR) { /* It is a directory */ - res = FR_NO_FILE; - } else { - if ((mode & FA_WRITE) && (dir[DIR_Attr] & AM_RDO)) /* R/O violation */ - res = FR_DENIED; - } - } - } - if (res == FR_OK) { - if (mode & (FA_WRITE | FA_CREATE_ALWAYS | FA_OPEN_ALWAYS | FA_CREATE_NEW)) - mode |= FA__WRITTEN; /* Set file changed flag */ - fp->dir_sect = dj.fs->winsect; /* Pointer to the directory entry */ - fp->dir_ptr = dir; -#if _FS_SHARE - fp->lockid = inc_lock(&dj, (mode & ~FA_READ) ? 1 : 0); - if (!fp->lockid) res = FR_INT_ERR; -#endif - } - -#else /* R/O configuration */ - if (res == FR_OK) { /* Follow succeeded */ - if (!dir) { /* Current dir itself */ - res = FR_INVALID_NAME; - } else { - if (dir[DIR_Attr] & AM_DIR) /* It is a directory */ - res = FR_NO_FILE; - } - } -#endif - FREE_BUF(); - - if (res == FR_OK) { - fp->flag = mode; /* File access mode */ - fp->org_clust = /* File start cluster */ - ((DWORD)LD_WORD(dir+DIR_FstClusHI) << 16) | LD_WORD(dir+DIR_FstClusLO); - fp->fsize = LD_DWORD(dir+DIR_FileSize); /* File size */ - fp->fptr = 0; /* File pointer */ - fp->dsect = 0; -#if _USE_FASTSEEK - fp->cltbl = 0; /* No cluster link map table */ -#endif - fp->fs = dj.fs; fp->id = dj.fs->id; /* Validate file object */ - } - - LEAVE_FF(dj.fs, res); -} - - - - -/*-----------------------------------------------------------------------*/ -/* Read File */ -/*-----------------------------------------------------------------------*/ - -FRESULT f_read ( - FAT_FIL *fp, /* Pointer to the file object */ - void *buff, /* Pointer to data buffer */ - UINT btr, /* Number of bytes to read */ - UINT *br /* Pointer to number of bytes read */ -) -{ - FRESULT res; - DWORD clst, sect, remain; - UINT rcnt, cc; - BYTE csect, *rbuff = (BYTE*)buff; - - - *br = 0; /* Initialize byte counter */ - - res = validate(fp->fs, fp->id); /* Check validity of the object */ - if (res != FR_OK) LEAVE_FF(fp->fs, res); - if (fp->flag & FA__ERROR) /* Check abort flag */ - LEAVE_FF(fp->fs, FR_INT_ERR); - if (!(fp->flag & FA_READ)) /* Check access mode */ - LEAVE_FF(fp->fs, FR_DENIED); - remain = fp->fsize - fp->fptr; - if (btr > remain) btr = (UINT)remain; /* Truncate btr by remaining bytes */ - - for ( ; btr; /* Repeat until all data transferred */ - rbuff += rcnt, fp->fptr += rcnt, *br += rcnt, btr -= rcnt) { - if ((fp->fptr % SS(fp->fs)) == 0) { /* On the sector boundary? */ - csect = (BYTE)(fp->fptr / SS(fp->fs) & (fp->fs->csize - 1)); /* Sector offset in the cluster */ - if (!csect) { /* On the cluster boundary? */ - clst = (fp->fptr == 0) ? /* On the top of the file? */ - fp->org_clust : get_fat(fp->fs, fp->curr_clust); - if (clst <= 1) ABORT(fp->fs, FR_INT_ERR); - if (clst == 0xFFFFFFFF) ABORT(fp->fs, FR_DISK_ERR); - fp->curr_clust = clst; /* Update current cluster */ - } - sect = clust2sect(fp->fs, fp->curr_clust); /* Get current sector */ - if (!sect) ABORT(fp->fs, FR_INT_ERR); - sect += csect; - cc = btr / SS(fp->fs); /* When remaining bytes >= sector size, */ - if (cc) { /* Read maximum contiguous sectors directly */ - if (csect + cc > fp->fs->csize) /* Clip at cluster boundary */ - cc = fp->fs->csize - csect; - if (disk_read(fp->fs->drv, rbuff, sect, (BYTE)cc) != RES_OK) - ABORT(fp->fs, FR_DISK_ERR); -#if !_FS_READONLY && _FS_MINIMIZE <= 2 /* Replace one of the read sectors with cached data if it contains a dirty sector */ -#if _FS_TINY - if (fp->fs->wflag && fp->fs->winsect - sect < cc) - mem_cpy(rbuff + ((fp->fs->winsect - sect) * SS(fp->fs)), fp->fs->win, SS(fp->fs)); -#else - if ((fp->flag & FA__DIRTY) && fp->dsect - sect < cc) - mem_cpy(rbuff + ((fp->dsect - sect) * SS(fp->fs)), fp->buf, SS(fp->fs)); -#endif -#endif - rcnt = SS(fp->fs) * cc; /* Number of bytes transferred */ - continue; - } -#if !_FS_TINY -#if !_FS_READONLY - if (fp->flag & FA__DIRTY) { /* Write sector I/O buffer if needed */ - if (disk_write(fp->fs->drv, fp->buf, fp->dsect, 1) != RES_OK) - ABORT(fp->fs, FR_DISK_ERR); - fp->flag &= ~FA__DIRTY; - } -#endif - if (fp->dsect != sect) { /* Fill sector buffer with file data */ - if (disk_read(fp->fs->drv, fp->buf, sect, 1) != RES_OK) - ABORT(fp->fs, FR_DISK_ERR); - } -#endif - fp->dsect = sect; - } - rcnt = SS(fp->fs) - (fp->fptr % SS(fp->fs)); /* Get partial sector data from sector buffer */ - if (rcnt > btr) rcnt = btr; -#if _FS_TINY - if (move_window(fp->fs, fp->dsect)) /* Move sector window */ - ABORT(fp->fs, FR_DISK_ERR); - mem_cpy(rbuff, &fp->fs->win[fp->fptr % SS(fp->fs)], rcnt); /* Pick partial sector */ -#else - mem_cpy(rbuff, &fp->buf[fp->fptr % SS(fp->fs)], rcnt); /* Pick partial sector */ -#endif - } - - LEAVE_FF(fp->fs, FR_OK); -} - - - - -#if !_FS_READONLY -/*-----------------------------------------------------------------------*/ -/* Write File */ -/*-----------------------------------------------------------------------*/ - -FRESULT f_write ( - FAT_FIL *fp, /* Pointer to the file object */ - const void *buff, /* Pointer to the data to be written */ - UINT btw, /* Number of bytes to write */ - UINT *bw /* Pointer to number of bytes written */ -) -{ - FRESULT res; - DWORD clst, sect; - UINT wcnt, cc; - const BYTE *wbuff = (const BYTE*)buff; - BYTE csect; - - - *bw = 0; /* Initialize byte counter */ - - res = validate(fp->fs, fp->id); /* Check validity of the object */ - if (res != FR_OK) LEAVE_FF(fp->fs, res); - if (fp->flag & FA__ERROR) /* Check abort flag */ - LEAVE_FF(fp->fs, FR_INT_ERR); - if (!(fp->flag & FA_WRITE)) /* Check access mode */ - LEAVE_FF(fp->fs, FR_DENIED); - if (fp->fsize + btw < fp->fsize) btw = 0; /* File size cannot reach 4GB */ - - for ( ; btw; /* Repeat until all data transferred */ - wbuff += wcnt, fp->fptr += wcnt, *bw += wcnt, btw -= wcnt) { - if ((fp->fptr % SS(fp->fs)) == 0) { /* On the sector boundary? */ - csect = (BYTE)(fp->fptr / SS(fp->fs) & (fp->fs->csize - 1)); /* Sector offset in the cluster */ - if (!csect) { /* On the cluster boundary? */ - if (fp->fptr == 0) { /* On the top of the file? */ - clst = fp->org_clust; /* Follow from the origin */ - if (clst == 0) /* When there is no cluster chain, */ - fp->org_clust = clst = create_chain(fp->fs, 0); /* Create a new cluster chain */ - } else { /* Middle or end of the file */ - clst = create_chain(fp->fs, fp->curr_clust); /* Follow or stretch cluster chain */ - } - if (clst == 0) break; /* Could not allocate a new cluster (disk full) */ - if (clst == 1) ABORT(fp->fs, FR_INT_ERR); - if (clst == 0xFFFFFFFF) ABORT(fp->fs, FR_DISK_ERR); - fp->curr_clust = clst; /* Update current cluster */ - } -#if _FS_TINY - if (fp->fs->winsect == fp->dsect && move_window(fp->fs, 0)) /* Write back data buffer prior to following direct transfer */ - ABORT(fp->fs, FR_DISK_ERR); -#else - if (fp->flag & FA__DIRTY) { /* Write back data buffer prior to following direct transfer */ - if (disk_write(fp->fs->drv, fp->buf, fp->dsect, 1) != RES_OK) - ABORT(fp->fs, FR_DISK_ERR); - fp->flag &= ~FA__DIRTY; - } -#endif - sect = clust2sect(fp->fs, fp->curr_clust); /* Get current sector */ - if (!sect) ABORT(fp->fs, FR_INT_ERR); - sect += csect; - cc = btw / SS(fp->fs); /* When remaining bytes >= sector size, */ - if (cc) { /* Write maximum contiguous sectors directly */ - if (csect + cc > fp->fs->csize) /* Clip at cluster boundary */ - cc = fp->fs->csize - csect; - if (disk_write(fp->fs->drv, wbuff, sect, (BYTE)cc) != RES_OK) - ABORT(fp->fs, FR_DISK_ERR); -#if _FS_TINY - if (fp->fs->winsect - sect < cc) { /* Refill sector cache if it gets dirty by the direct write */ - mem_cpy(fp->fs->win, wbuff + ((fp->fs->winsect - sect) * SS(fp->fs)), SS(fp->fs)); - fp->fs->wflag = 0; - } -#else - if (fp->dsect - sect < cc) { /* Refill sector cache if it gets dirty by the direct write */ - mem_cpy(fp->buf, wbuff + ((fp->dsect - sect) * SS(fp->fs)), SS(fp->fs)); - fp->flag &= ~FA__DIRTY; - } -#endif - wcnt = SS(fp->fs) * cc; /* Number of bytes transferred */ - continue; - } -#if _FS_TINY - if (fp->fptr >= fp->fsize) { /* Avoid silly buffer filling at growing edge */ - if (move_window(fp->fs, 0)) ABORT(fp->fs, FR_DISK_ERR); - fp->fs->winsect = sect; - } -#else - if (fp->dsect != sect) { /* Fill sector buffer with file data */ - if (fp->fptr < fp->fsize && - disk_read(fp->fs->drv, fp->buf, sect, 1) != RES_OK) - ABORT(fp->fs, FR_DISK_ERR); - } -#endif - fp->dsect = sect; - } - wcnt = SS(fp->fs) - (fp->fptr % SS(fp->fs)); /* Put partial sector into file I/O buffer */ - if (wcnt > btw) wcnt = btw; -#if _FS_TINY - if (move_window(fp->fs, fp->dsect)) /* Move sector window */ - ABORT(fp->fs, FR_DISK_ERR); - mem_cpy(&fp->fs->win[fp->fptr % SS(fp->fs)], wbuff, wcnt); /* Fit partial sector */ - fp->fs->wflag = 1; -#else - mem_cpy(&fp->buf[fp->fptr % SS(fp->fs)], wbuff, wcnt); /* Fit partial sector */ - fp->flag |= FA__DIRTY; -#endif - } - - if (fp->fptr > fp->fsize) fp->fsize = fp->fptr; /* Update file size if needed */ - fp->flag |= FA__WRITTEN; /* Set file changed flag */ - - LEAVE_FF(fp->fs, FR_OK); -} - - - - -/*-----------------------------------------------------------------------*/ -/* Synchronize the File Object */ -/*-----------------------------------------------------------------------*/ - -FRESULT f_sync ( - FAT_FIL *fp /* Pointer to the file object */ -) -{ - FRESULT res; - DWORD tim; - BYTE *dir; - - - res = validate(fp->fs, fp->id); /* Check validity of the object */ - if (res == FR_OK) { - if (fp->flag & FA__WRITTEN) { /* Has the file been written? */ -#if !_FS_TINY /* Write-back dirty buffer */ - if (fp->flag & FA__DIRTY) { - if (disk_write(fp->fs->drv, fp->buf, fp->dsect, 1) != RES_OK) - LEAVE_FF(fp->fs, FR_DISK_ERR); - fp->flag &= ~FA__DIRTY; - } -#endif - /* Update the directory entry */ - res = move_window(fp->fs, fp->dir_sect); - if (res == FR_OK) { - dir = fp->dir_ptr; - dir[DIR_Attr] |= AM_ARC; /* Set archive bit */ - ST_DWORD(dir+DIR_FileSize, fp->fsize); /* Update file size */ - ST_WORD(dir+DIR_FstClusLO, fp->org_clust); /* Update start cluster */ - ST_WORD(dir+DIR_FstClusHI, fp->org_clust >> 16); - tim = get_fattime(); /* Update updated time */ - ST_DWORD(dir+DIR_WrtTime, tim); - fp->flag &= ~FA__WRITTEN; - fp->fs->wflag = 1; - res = sync(fp->fs); - } - } - } - - LEAVE_FF(fp->fs, res); -} - -#endif /* !_FS_READONLY */ - - - - -/*-----------------------------------------------------------------------*/ -/* Close File */ -/*-----------------------------------------------------------------------*/ - -FRESULT f_close ( - FAT_FIL *fp /* Pointer to the file object to be closed */ -) -{ - FRESULT res; - -#if _FS_READONLY - FATFS *fs = fp->fs; - res = validate(fs, fp->id); - if (res == FR_OK) fp->fs = 0; /* Discard file object */ - LEAVE_FF(fs, res); - -#else - res = f_sync(fp); /* Flush cached data */ -#if _FS_SHARE - if (res == FR_OK) { /* Decrement open counter */ -#if _FS_REENTRANT - res = validate(fp->fs, fp->id); - if (res == FR_OK) { - res = dec_lock(fp->fs, fp->lockid); - unlock_fs(fp->fs, FR_OK); - } -#else - res = dec_lock(fp->fs, fp->lockid); -#endif - } -#endif - if (res == FR_OK) fp->fs = 0; /* Discard file object */ - return res; -#endif -} - - - - -/*-----------------------------------------------------------------------*/ -/* Change Current Drive/Directory */ -/*-----------------------------------------------------------------------*/ - -#if _FS_RPATH - -FRESULT f_chdrive ( - BYTE drv /* Drive number */ -) -{ - if (drv >= _DRIVES) return FR_INVALID_DRIVE; - - Drive = drv; - - return FR_OK; -} - - - - -FRESULT f_chdir ( - const TCHAR *path /* Pointer to the directory path */ -) -{ - FRESULT res; - FAT_DIR dj; - BYTE *dir; - DEF_NAMEBUF; - - - res = chk_mounted(&path, &dj.fs, 0); - if (res == FR_OK) { - INIT_BUF(dj); - res = follow_path(&dj, path); /* Follow the path */ - FREE_BUF(); - if (res == FR_OK) { /* Follow completed */ - dir = dj.dir; /* Pointer to the entry */ - if (!dir) { - dj.fs->cdir = dj.sclust; /* Start directory itself */ - } else { - if (dir[DIR_Attr] & AM_DIR) /* Reached to the directory */ - dj.fs->cdir = ((DWORD)LD_WORD(dir+DIR_FstClusHI) << 16) | LD_WORD(dir+DIR_FstClusLO); - else - res = FR_NO_PATH; /* Reached but a file */ - } - } - if (res == FR_NO_FILE) res = FR_NO_PATH; - } - - LEAVE_FF(dj.fs, res); -} - -#endif - - - -#if _FS_MINIMIZE <= 2 -/*-----------------------------------------------------------------------*/ -/* Seek File R/W Pointer */ -/*-----------------------------------------------------------------------*/ - -FRESULT f_lseek ( - FAT_FIL *fp, /* Pointer to the file object */ - DWORD ofs /* File pointer from top of file */ -) -{ - FRESULT res; - - - res = validate(fp->fs, fp->id); /* Check validity of the object */ - if (res != FR_OK) LEAVE_FF(fp->fs, res); - if (fp->flag & FA__ERROR) /* Check abort flag */ - LEAVE_FF(fp->fs, FR_INT_ERR); - -#if _USE_FASTSEEK - if (fp->cltbl) { /* Fast seek */ - DWORD cl, pcl, ncl, tcl, dsc, tlen, *tbl = fp->cltbl; - BYTE csc; - - tlen = *tbl++; - if (ofs == CREATE_LINKMAP) { /* Create link map table */ - cl = fp->org_clust; - if (cl) { - do { - if (tlen < 4) { /* Not enough table items */ - res = FR_NOT_ENOUGH_CORE; break; - } - tcl = cl; ncl = 0; - do { /* Get a fragment and store the top and length */ - pcl = cl; ncl++; - cl = get_fat(fp->fs, cl); - if (cl <= 1) ABORT(fp->fs, FR_INT_ERR); - if (cl == 0xFFFFFFFF) ABORT(fp->fs, FR_DISK_ERR); - } while (cl == pcl + 1); - *tbl++ = ncl; *tbl++ = tcl; - tlen -= 2; - } while (cl < fp->fs->n_fatent); - } - *tbl = 0; /* Terminate table */ - - } else { /* Fast seek */ - if (ofs > fp->fsize) /* Clip offset at the file size */ - ofs = fp->fsize; - fp->fptr = ofs; /* Set file pointer */ - if (ofs) { - dsc = (ofs - 1) / SS(fp->fs); - cl = dsc / fp->fs->csize; - for (;;) { - ncl = *tbl++; - if (!ncl) ABORT(fp->fs, FR_INT_ERR); - if (cl < ncl) break; - cl -= ncl; tbl++; - } - fp->curr_clust = cl + *tbl; - csc = (BYTE)(dsc & (fp->fs->csize - 1)); - dsc = clust2sect(fp->fs, fp->curr_clust); - if (!dsc) ABORT(fp->fs, FR_INT_ERR); - dsc += csc; - if (fp->fptr % SS(fp->fs) && dsc != fp->dsect) { -#if !_FS_TINY -#if !_FS_READONLY - if (fp->flag & FA__DIRTY) { /* Flush dirty buffer if needed */ - if (disk_write(fp->fs->drv, fp->buf, fp->dsect, 1) != RES_OK) - ABORT(fp->fs, FR_DISK_ERR); - fp->flag &= ~FA__DIRTY; - } -#endif - if (disk_read(fp->fs->drv, fp->buf, dsc, 1) != RES_OK) - ABORT(fp->fs, FR_DISK_ERR); -#endif - fp->dsect = dsc; - } - } - } - } else -#endif - - /* Normal Seek */ - { - DWORD clst, bcs, nsect, ifptr; - - if (ofs > fp->fsize /* In read-only mode, clip offset with the file size */ -#if !_FS_READONLY - && !(fp->flag & FA_WRITE) -#endif - ) ofs = fp->fsize; - - ifptr = fp->fptr; - fp->fptr = nsect = 0; - if (ofs) { - bcs = (DWORD)fp->fs->csize * SS(fp->fs); /* Cluster size (byte) */ - if (ifptr > 0 && - (ofs - 1) / bcs >= (ifptr - 1) / bcs) { /* When seek to same or following cluster, */ - fp->fptr = (ifptr - 1) & ~(bcs - 1); /* start from the current cluster */ - ofs -= fp->fptr; - clst = fp->curr_clust; - } else { /* When seek to back cluster, */ - clst = fp->org_clust; /* start from the first cluster */ -#if !_FS_READONLY - if (clst == 0) { /* If no cluster chain, create a new chain */ - clst = create_chain(fp->fs, 0); - if (clst == 1) ABORT(fp->fs, FR_INT_ERR); - if (clst == 0xFFFFFFFF) ABORT(fp->fs, FR_DISK_ERR); - fp->org_clust = clst; - } -#endif - fp->curr_clust = clst; - } - if (clst != 0) { - while (ofs > bcs) { /* Cluster following loop */ -#if !_FS_READONLY - if (fp->flag & FA_WRITE) { /* Check if in write mode or not */ - clst = create_chain(fp->fs, clst); /* Force stretch if in write mode */ - if (clst == 0) { /* When disk gets full, clip file size */ - ofs = bcs; break; - } - } else -#endif - clst = get_fat(fp->fs, clst); /* Follow cluster chain if not in write mode */ - if (clst == 0xFFFFFFFF) ABORT(fp->fs, FR_DISK_ERR); - if (clst <= 1 || clst >= fp->fs->n_fatent) ABORT(fp->fs, FR_INT_ERR); - fp->curr_clust = clst; - fp->fptr += bcs; - ofs -= bcs; - } - fp->fptr += ofs; - if (ofs % SS(fp->fs)) { - nsect = clust2sect(fp->fs, clst); /* Current sector */ - if (!nsect) ABORT(fp->fs, FR_INT_ERR); - nsect += ofs / SS(fp->fs); - } - } - } - if (fp->fptr % SS(fp->fs) && nsect != fp->dsect) { -#if !_FS_TINY -#if !_FS_READONLY - if (fp->flag & FA__DIRTY) { /* Flush dirty buffer if needed */ - if (disk_write(fp->fs->drv, fp->buf, fp->dsect, 1) != RES_OK) - ABORT(fp->fs, FR_DISK_ERR); - fp->flag &= ~FA__DIRTY; - } -#endif - if (disk_read(fp->fs->drv, fp->buf, nsect, 1) != RES_OK) - ABORT(fp->fs, FR_DISK_ERR); -#endif - fp->dsect = nsect; - } -#if !_FS_READONLY - if (fp->fptr > fp->fsize) { /* Set changed flag if the file size is extended */ - fp->fsize = fp->fptr; - fp->flag |= FA__WRITTEN; - } -#endif - } - - LEAVE_FF(fp->fs, res); -} - - - -#if _FS_MINIMIZE <= 1 -/*-----------------------------------------------------------------------*/ -/* Create a Directroy Object */ -/*-----------------------------------------------------------------------*/ - -FRESULT f_opendir ( - FAT_DIR *dj, /* Pointer to directory object to create */ - const TCHAR *path /* Pointer to the directory path */ -) -{ - FRESULT res; - BYTE *dir; - DEF_NAMEBUF; - - - res = chk_mounted(&path, &dj->fs, 0); - if (res == FR_OK) { - INIT_BUF(*dj); - res = follow_path(dj, path); /* Follow the path to the directory */ - FREE_BUF(); - if (res == FR_OK) { /* Follow completed */ - dir = dj->dir; - if (dir) { /* It is not the current dir */ - if (dir[DIR_Attr] & AM_DIR) { /* The object is a directory */ - dj->sclust = ((DWORD)LD_WORD(dir+DIR_FstClusHI) << 16) | LD_WORD(dir+DIR_FstClusLO); - } else { /* The object is not a directory */ - res = FR_NO_PATH; - } - } - if (res == FR_OK) { - dj->id = dj->fs->id; - res = dir_sdi(dj, 0); /* Rewind dir */ - } - } - if (res == FR_NO_FILE) res = FR_NO_PATH; - } - - LEAVE_FF(dj->fs, res); -} - - - - -/*-----------------------------------------------------------------------*/ -/* Read Directory Entry in Sequense */ -/*-----------------------------------------------------------------------*/ - -FRESULT f_readdir ( - FAT_DIR *dj, /* Pointer to the open directory object */ - FILINFO *fno /* Pointer to file information to return */ -) -{ - FRESULT res; - DEF_NAMEBUF; - - - res = validate(dj->fs, dj->id); /* Check validity of the object */ - if (res == FR_OK) { - if (!fno) { - res = dir_sdi(dj, 0); - } else { - INIT_BUF(*dj); - res = dir_read(dj); - if (res == FR_NO_FILE) { - dj->sect = 0; - res = FR_OK; - } - if (res == FR_OK) { /* A valid entry is found */ - get_fileinfo(dj, fno); /* Get the object information */ - res = dir_next(dj, 0); /* Increment index for next */ - if (res == FR_NO_FILE) { - dj->sect = 0; - res = FR_OK; - } - } - FREE_BUF(); - } - } - - LEAVE_FF(dj->fs, res); -} - - - -#if _FS_MINIMIZE == 0 -/*-----------------------------------------------------------------------*/ -/* Get File Status */ -/*-----------------------------------------------------------------------*/ - -FRESULT f_stat ( - const TCHAR *path, /* Pointer to the file path */ - FILINFO *fno /* Pointer to file information to return */ -) -{ - FRESULT res; - FAT_DIR dj; - DEF_NAMEBUF; - - - res = chk_mounted(&path, &dj.fs, 0); - if (res == FR_OK) { - INIT_BUF(dj); - res = follow_path(&dj, path); /* Follow the file path */ - if (res == FR_OK) { /* Follow completed */ - if (dj.dir) /* Found an object */ - get_fileinfo(&dj, fno); - else /* It is root dir */ - res = FR_INVALID_NAME; - } - FREE_BUF(); - } - - LEAVE_FF(dj.fs, res); -} - - - -#if !_FS_READONLY -/*-----------------------------------------------------------------------*/ -/* Get Number of Free Clusters */ -/*-----------------------------------------------------------------------*/ - -FRESULT f_getfree ( - const TCHAR *path, /* Pointer to the logical drive number (root dir) */ - DWORD *nclst, /* Pointer to the variable to return number of free clusters */ - FATFS **fatfs /* Pointer to pointer to corresponding file system object to return */ -) -{ - FRESULT res; - DWORD n, clst, sect, stat; - UINT i; - BYTE fat, *p; - - - /* Get drive number */ - res = chk_mounted(&path, fatfs, 0); - if (res == FR_OK) { - /* If free_clust is valid, return it without full cluster scan */ - if ((*fatfs)->free_clust <= (*fatfs)->n_fatent - 2) { - *nclst = (*fatfs)->free_clust; - } else { - /* Get number of free clusters */ - fat = (*fatfs)->fs_type; - n = 0; - if (fat == FS_FAT12) { - clst = 2; - do { - stat = get_fat(*fatfs, clst); - if (stat == 0xFFFFFFFF) { res = FR_DISK_ERR; break; } - if (stat == 1) { res = FR_INT_ERR; break; } - if (stat == 0) n++; - } while (++clst < (*fatfs)->n_fatent); - } else { - clst = (*fatfs)->n_fatent; - sect = (*fatfs)->fatbase; - i = 0; p = 0; - do { - if (!i) { - res = move_window(*fatfs, sect++); - if (res != FR_OK) break; - p = (*fatfs)->win; - i = SS(*fatfs); - } - if (fat == FS_FAT16) { - if (LD_WORD(p) == 0) n++; - p += 2; i -= 2; - } else { - if ((LD_DWORD(p) & 0x0FFFFFFF) == 0) n++; - p += 4; i -= 4; - } - } while (--clst); - } - (*fatfs)->free_clust = n; - if (fat == FS_FAT32) (*fatfs)->fsi_flag = 1; - *nclst = n; - } - } - LEAVE_FF(*fatfs, res); -} - - - - -/*-----------------------------------------------------------------------*/ -/* Truncate File */ -/*-----------------------------------------------------------------------*/ - -FRESULT f_truncate ( - FAT_FIL *fp /* Pointer to the file object */ -) -{ - FRESULT res; - DWORD ncl; - - - res = validate(fp->fs, fp->id); /* Check validity of the object */ - if (res == FR_OK) { - if (fp->flag & FA__ERROR) { /* Check abort flag */ - res = FR_INT_ERR; - } else { - if (!(fp->flag & FA_WRITE)) /* Check access mode */ - res = FR_DENIED; - } - } - if (res == FR_OK) { - if (fp->fsize > fp->fptr) { - fp->fsize = fp->fptr; /* Set file size to current R/W point */ - fp->flag |= FA__WRITTEN; - if (fp->fptr == 0) { /* When set file size to zero, remove entire cluster chain */ - res = remove_chain(fp->fs, fp->org_clust); - fp->org_clust = 0; - } else { /* When truncate a part of the file, remove remaining clusters */ - ncl = get_fat(fp->fs, fp->curr_clust); - res = FR_OK; - if (ncl == 0xFFFFFFFF) res = FR_DISK_ERR; - if (ncl == 1) res = FR_INT_ERR; - if (res == FR_OK && ncl < fp->fs->n_fatent) { - res = put_fat(fp->fs, fp->curr_clust, 0x0FFFFFFF); - if (res == FR_OK) res = remove_chain(fp->fs, ncl); - } - } - } - if (res != FR_OK) fp->flag |= FA__ERROR; - } - - LEAVE_FF(fp->fs, res); -} - - - - -/*-----------------------------------------------------------------------*/ -/* Delete a File or Directory */ -/*-----------------------------------------------------------------------*/ - -FRESULT f_unlink ( - const TCHAR *path /* Pointer to the file or directory path */ -) -{ - FRESULT res; - FAT_DIR dj, sdj; - BYTE *dir; - DWORD dclst; - DEF_NAMEBUF; - - - res = chk_mounted(&path, &dj.fs, 1); - if (res == FR_OK) { - INIT_BUF(dj); - res = follow_path(&dj, path); /* Follow the file path */ - if (_FS_RPATH && res == FR_OK && (dj.fn[NS] & NS_DOT)) - res = FR_INVALID_NAME; /* Cannot remove dot entry */ -#if _FS_SHARE - if (res == FR_OK) res = chk_lock(&dj, 2); /* Cannot remove open file */ -#endif - if (res == FR_OK) { /* The object is accessible */ - dir = dj.dir; - if (!dir) { - res = FR_INVALID_NAME; /* Cannot remove the start directory */ - } else { - if (dir[DIR_Attr] & AM_RDO) - res = FR_DENIED; /* Cannot remove R/O object */ - } - dclst = ((DWORD)LD_WORD(dir+DIR_FstClusHI) << 16) | LD_WORD(dir+DIR_FstClusLO); - if (res == FR_OK && (dir[DIR_Attr] & AM_DIR)) { /* Is it a sub-dir? */ - if (dclst < 2) { - res = FR_INT_ERR; - } else { - mem_cpy(&sdj, &dj, sizeof(FAT_DIR)); /* Check if the sub-dir is empty or not */ - sdj.sclust = dclst; - res = dir_sdi(&sdj, 2); /* Exclude dot entries */ - if (res == FR_OK) { - res = dir_read(&sdj); - if (res == FR_OK /* Not empty dir */ -#if _FS_RPATH - || dclst == sdj.fs->cdir /* Current dir */ -#endif - ) res = FR_DENIED; - if (res == FR_NO_FILE) res = FR_OK; /* Empty */ - } - } - } - if (res == FR_OK) { - res = dir_remove(&dj); /* Remove the directory entry */ - if (res == FR_OK) { - if (dclst) /* Remove the cluster chain if exist */ - res = remove_chain(dj.fs, dclst); - if (res == FR_OK) res = sync(dj.fs); - } - } - } - FREE_BUF(); - } - LEAVE_FF(dj.fs, res); -} - - - - -/*-----------------------------------------------------------------------*/ -/* Create a Directory */ -/*-----------------------------------------------------------------------*/ - -FRESULT f_mkdir ( - const TCHAR *path /* Pointer to the directory path */ -) -{ - FRESULT res; - FAT_DIR dj; - BYTE *dir, n; - DWORD dsc, dcl, pcl, tim = get_fattime(); - DEF_NAMEBUF; - - - res = chk_mounted(&path, &dj.fs, 1); - if (res == FR_OK) { - INIT_BUF(dj); - res = follow_path(&dj, path); /* Follow the file path */ - if (res == FR_OK) res = FR_EXIST; /* Any object with same name is already existing */ - if (_FS_RPATH && res == FR_NO_FILE && (dj.fn[NS] & NS_DOT)) - res = FR_INVALID_NAME; - if (res == FR_NO_FILE) { /* Can create a new directory */ - dcl = create_chain(dj.fs, 0); /* Allocate a cluster for the new directory table */ - res = FR_OK; - if (dcl == 0) res = FR_DENIED; /* No space to allocate a new cluster */ - if (dcl == 1) res = FR_INT_ERR; - if (dcl == 0xFFFFFFFF) res = FR_DISK_ERR; - if (res == FR_OK) /* Flush FAT */ - res = move_window(dj.fs, 0); - if (res == FR_OK) { /* Initialize the new directory table */ - dsc = clust2sect(dj.fs, dcl); - dir = dj.fs->win; - mem_set(dir, 0, SS(dj.fs)); - mem_set(dir+DIR_Name, ' ', 8+3); /* Create "." entry */ - dir[DIR_Name] = '.'; - dir[DIR_Attr] = AM_DIR; - ST_DWORD(dir+DIR_WrtTime, tim); - ST_WORD(dir+DIR_FstClusLO, dcl); - ST_WORD(dir+DIR_FstClusHI, dcl >> 16); - mem_cpy(dir+32, dir, 32); /* Create ".." entry */ - dir[33] = '.'; pcl = dj.sclust; - if (dj.fs->fs_type == FS_FAT32 && pcl == dj.fs->dirbase) - pcl = 0; - ST_WORD(dir+32+DIR_FstClusLO, pcl); - ST_WORD(dir+32+DIR_FstClusHI, pcl >> 16); - for (n = dj.fs->csize; n; n--) { /* Write dot entries and clear following sectors */ - dj.fs->winsect = dsc++; - dj.fs->wflag = 1; - res = move_window(dj.fs, 0); - if (res != FR_OK) break; - mem_set(dir, 0, SS(dj.fs)); - } - } - if (res == FR_OK) res = dir_register(&dj); /* Register the object to the directoy */ - if (res != FR_OK) { - remove_chain(dj.fs, dcl); /* Could not register, remove cluster chain */ - } else { - dir = dj.dir; - dir[DIR_Attr] = AM_DIR; /* Attribute */ - ST_DWORD(dir+DIR_WrtTime, tim); /* Created time */ - ST_WORD(dir+DIR_FstClusLO, dcl); /* Table start cluster */ - ST_WORD(dir+DIR_FstClusHI, dcl >> 16); - dj.fs->wflag = 1; - res = sync(dj.fs); - } - } - FREE_BUF(); - } - - LEAVE_FF(dj.fs, res); -} - - - - -/*-----------------------------------------------------------------------*/ -/* Change Attribute */ -/*-----------------------------------------------------------------------*/ - -FRESULT f_chmod ( - const TCHAR *path, /* Pointer to the file path */ - BYTE value, /* Attribute bits */ - BYTE mask /* Attribute mask to change */ -) -{ - FRESULT res; - FAT_DIR dj; - BYTE *dir; - DEF_NAMEBUF; - - - res = chk_mounted(&path, &dj.fs, 1); - if (res == FR_OK) { - INIT_BUF(dj); - res = follow_path(&dj, path); /* Follow the file path */ - FREE_BUF(); - if (_FS_RPATH && res == FR_OK && (dj.fn[NS] & NS_DOT)) - res = FR_INVALID_NAME; - if (res == FR_OK) { - dir = dj.dir; - if (!dir) { /* Is it a root directory? */ - res = FR_INVALID_NAME; - } else { /* File or sub directory */ - mask &= AM_RDO|AM_HID|AM_SYS|AM_ARC; /* Valid attribute mask */ - dir[DIR_Attr] = (value & mask) | (dir[DIR_Attr] & (BYTE)~mask); /* Apply attribute change */ - dj.fs->wflag = 1; - res = sync(dj.fs); - } - } - } - - LEAVE_FF(dj.fs, res); -} - - - - -/*-----------------------------------------------------------------------*/ -/* Change Timestamp */ -/*-----------------------------------------------------------------------*/ - -FRESULT f_utime ( - const TCHAR *path, /* Pointer to the file/directory name */ - const FILINFO *fno /* Pointer to the time stamp to be set */ -) -{ - FRESULT res; - FAT_DIR dj; - BYTE *dir; - DEF_NAMEBUF; - - - res = chk_mounted(&path, &dj.fs, 1); - if (res == FR_OK) { - INIT_BUF(dj); - res = follow_path(&dj, path); /* Follow the file path */ - FREE_BUF(); - if (_FS_RPATH && res == FR_OK && (dj.fn[NS] & NS_DOT)) - res = FR_INVALID_NAME; - if (res == FR_OK) { - dir = dj.dir; - if (!dir) { /* Root directory */ - res = FR_INVALID_NAME; - } else { /* File or sub-directory */ - ST_WORD(dir+DIR_WrtTime, fno->ftime); - ST_WORD(dir+DIR_WrtDate, fno->fdate); - dj.fs->wflag = 1; - res = sync(dj.fs); - } - } - } - - LEAVE_FF(dj.fs, res); -} - - - - -/*-----------------------------------------------------------------------*/ -/* Rename File/Directory */ -/*-----------------------------------------------------------------------*/ - -FRESULT f_rename ( - const TCHAR *path_old, /* Pointer to the old name */ - const TCHAR *path_new /* Pointer to the new name */ -) -{ - FRESULT res; - FAT_DIR djo, djn; - BYTE buf[21], *dir; - DWORD dw; - DEF_NAMEBUF; - - - res = chk_mounted(&path_old, &djo.fs, 1); - if (res == FR_OK) { - djn.fs = djo.fs; - INIT_BUF(djo); - res = follow_path(&djo, path_old); /* Check old object */ - if (_FS_RPATH && res == FR_OK && (djo.fn[NS] & NS_DOT)) - res = FR_INVALID_NAME; -#if _FS_SHARE - if (res == FR_OK) res = chk_lock(&djo, 2); -#endif - if (res == FR_OK) { /* Old object is found */ - if (!djo.dir) { /* Is root dir? */ - res = FR_NO_FILE; - } else { - mem_cpy(buf, djo.dir+DIR_Attr, 21); /* Save the object information except for name */ - mem_cpy(&djn, &djo, sizeof(FAT_DIR)); /* Check new object */ - res = follow_path(&djn, path_new); - if (res == FR_OK) res = FR_EXIST; /* The new object name is already existing */ - if (res == FR_NO_FILE) { /* Is it a valid path and no name collision? */ -/* Start critical section that any interruption or error can cause cross-link */ - res = dir_register(&djn); /* Register the new entry */ - if (res == FR_OK) { - dir = djn.dir; /* Copy object information except for name */ - mem_cpy(dir+13, buf+2, 19); - dir[DIR_Attr] = buf[0] | AM_ARC; - djo.fs->wflag = 1; - if (djo.sclust != djn.sclust && (dir[DIR_Attr] & AM_DIR)) { /* Update .. entry in the directory if needed */ - dw = clust2sect(djn.fs, (DWORD)LD_WORD(dir+DIR_FstClusHI) | LD_WORD(dir+DIR_FstClusLO)); - if (!dw) { - res = FR_INT_ERR; - } else { - res = move_window(djn.fs, dw); - dir = djn.fs->win+32; /* .. entry */ - if (res == FR_OK && dir[1] == '.') { - dw = (djn.fs->fs_type == FS_FAT32 && djn.sclust == djn.fs->dirbase) ? 0 : djn.sclust; - ST_WORD(dir+DIR_FstClusLO, dw); - ST_WORD(dir+DIR_FstClusHI, dw >> 16); - djn.fs->wflag = 1; - } - } - } - if (res == FR_OK) { - res = dir_remove(&djo); /* Remove old entry */ - if (res == FR_OK) - res = sync(djo.fs); - } - } -/* End critical section */ - } - } - } - FREE_BUF(); - } - LEAVE_FF(djo.fs, res); -} - -#endif /* !_FS_READONLY */ -#endif /* _FS_MINIMIZE == 0 */ -#endif /* _FS_MINIMIZE <= 1 */ -#endif /* _FS_MINIMIZE <= 2 */ - - - -/*-----------------------------------------------------------------------*/ -/* Forward data to the stream directly (available on only tiny cfg) */ -/*-----------------------------------------------------------------------*/ -#if _USE_FORWARD && _FS_TINY - -FRESULT f_forward ( - FAT_FIL *fp, /* Pointer to the file object */ - UINT (*func)(const BYTE*,UINT), /* Pointer to the streaming function */ - UINT btr, /* Number of bytes to forward */ - UINT *bf /* Pointer to number of bytes forwarded */ -) -{ - FRESULT res; - DWORD remain, clst, sect; - UINT rcnt; - BYTE csect; - - - *bf = 0; /* Initialize byte counter */ - - res = validate(fp->fs, fp->id); /* Check validity of the object */ - if (res != FR_OK) LEAVE_FF(fp->fs, res); - if (fp->flag & FA__ERROR) /* Check error flag */ - LEAVE_FF(fp->fs, FR_INT_ERR); - if (!(fp->flag & FA_READ)) /* Check access mode */ - LEAVE_FF(fp->fs, FR_DENIED); - - remain = fp->fsize - fp->fptr; - if (btr > remain) btr = (UINT)remain; /* Truncate btr by remaining bytes */ - - for ( ; btr && (*func)(0, 0); /* Repeat until all data transferred or stream becomes busy */ - fp->fptr += rcnt, *bf += rcnt, btr -= rcnt) { - csect = (BYTE)(fp->fptr / SS(fp->fs) & (fp->fs->csize - 1)); /* Sector offset in the cluster */ - if ((fp->fptr % SS(fp->fs)) == 0) { /* On the sector boundary? */ - if (!csect) { /* On the cluster boundary? */ - clst = (fp->fptr == 0) ? /* On the top of the file? */ - fp->org_clust : get_fat(fp->fs, fp->curr_clust); - if (clst <= 1) ABORT(fp->fs, FR_INT_ERR); - if (clst == 0xFFFFFFFF) ABORT(fp->fs, FR_DISK_ERR); - fp->curr_clust = clst; /* Update current cluster */ - } - } - sect = clust2sect(fp->fs, fp->curr_clust); /* Get current data sector */ - if (!sect) ABORT(fp->fs, FR_INT_ERR); - sect += csect; - if (move_window(fp->fs, sect)) /* Move sector window */ - ABORT(fp->fs, FR_DISK_ERR); - fp->dsect = sect; - rcnt = SS(fp->fs) - (WORD)(fp->fptr % SS(fp->fs)); /* Forward data from sector window */ - if (rcnt > btr) rcnt = btr; - rcnt = (*func)(&fp->fs->win[(WORD)fp->fptr % SS(fp->fs)], rcnt); - if (!rcnt) ABORT(fp->fs, FR_INT_ERR); - } - - LEAVE_FF(fp->fs, FR_OK); -} -#endif /* _USE_FORWARD */ - - - -#if _USE_MKFS && !_FS_READONLY -/*-----------------------------------------------------------------------*/ -/* Create File System on the Drive */ -/*-----------------------------------------------------------------------*/ -#define N_ROOTDIR 512 /* Multiple of 32 */ -#define N_FATS 1 /* 1 or 2 */ - - -FRESULT f_mkfs ( - BYTE drv, /* Logical drive number */ - BYTE sfd, /* Partitioning rule 0:FDISK, 1:SFD */ - UINT au /* Allocation unit size [bytes] */ -) -{ - static const WORD vst[] = { 1024, 512, 256, 128, 64, 32, 16, 8, 4, 2, 0}; - static const WORD cst[] = {32768, 16384, 8192, 4096, 2048, 16384, 8192, 4096, 2048, 1024, 512}; - BYTE fmt, md, *tbl; - DWORD n_clst, vs, n; - UINT as, i; - DWORD b_vol, b_fat, b_dir, b_data; /* Area offset (LBA) */ - DWORD n_vol, n_rsv, n_fat, n_dir; /* Area size */ - FATFS *fs; - DSTATUS stat; - - - /* Check mounted drive and clear work area */ - if (drv >= _DRIVES) return FR_INVALID_DRIVE; - fs = FatFs[drv]; - if (!fs) return FR_NOT_ENABLED; - fs->fs_type = 0; - drv = LD2PD(drv); - - /* Get disk statics */ - stat = disk_initialize(drv); - if (stat & STA_NOINIT) return FR_NOT_READY; - if (stat & STA_PROTECT) return FR_WRITE_PROTECTED; -#if _MAX_SS != 512 /* Get disk sector size */ - if (disk_ioctl(drv, GET_SECTOR_SIZE, &SS(fs)) != RES_OK || SS(fs) > _MAX_SS) - return FR_DISK_ERR; -#endif - if (disk_ioctl(drv, GET_SECTOR_COUNT, &n_vol) != RES_OK || n_vol < 128) - return FR_DISK_ERR; - b_vol = (sfd == 1) ? 0 : 63; /* Volume start sector */ - n_vol -= b_vol; - if (au & (au - 1)) au = 0; /* Check validity of the allocation unit size */ - if (!au) { /* AU auto selection */ - vs = n_vol / (2000 / (SS(fs) / 512)); - for (i = 0; vs < vst[i]; i++) ; - au = cst[i]; - } - if (_MAX_SS != 512 && au < SS(fs)) au = SS(fs); - au /= SS(fs); /* Number of sectors per cluster */ - if (au == 0) au = 1; - if (au > 128) au = 128; - - /* Pre-compute number of clusters and FAT syb-type */ - n_clst = n_vol / au; - fmt = FS_FAT12; - if (n_clst >= MIN_FAT16) fmt = FS_FAT16; - if (n_clst >= MIN_FAT32) fmt = FS_FAT32; - - /* Determine offset and size of FAT structure */ - if (fmt == FS_FAT32) { - n_fat = ((n_clst * 4) + 8 + SS(fs) - 1) / SS(fs); - n_rsv = 32; - n_dir = 0; - } else { - n_fat = (fmt == FS_FAT12) ? (n_clst * 3 + 1) / 2 + 3 : (n_clst * 2) + 4; - n_fat = (n_fat + SS(fs) - 1) / SS(fs); - n_rsv = 1; - n_dir = N_ROOTDIR * 32UL / SS(fs); - } - b_fat = b_vol + n_rsv; /* FAT area start sector */ - b_dir = b_fat + n_fat * N_FATS; /* Directory area start sector */ - b_data = b_dir + n_dir; /* Data area start sector */ - if (n_vol < b_data + au) return FR_MKFS_ABORTED; /* Too small volume */ - - /* Align data start sector to erase block boundary (for flash memory media) */ - if (disk_ioctl(drv, GET_BLOCK_SIZE, &n) != RES_OK) return FR_DISK_ERR; - if (!n || n > 32768) return FR_MKFS_ABORTED; - n = (b_data + n - 1) & ~(n - 1); /* Next nearest boundary from current data start */ - n = (n - b_data) / N_FATS; - if (fmt == FS_FAT32) { /* FAT32: Move FAT start */ - n_rsv += n; - b_fat += n; - } else { /* FAT12/16: Expand FAT size */ - n_fat += n; - } - /* b_dir and b_data are no longer used below */ - - /* Determine number of cluster and final check of validity of the FAT sub-type */ - n_clst = (n_vol - n_rsv - n_fat * N_FATS - n_dir) / au; - if ( (fmt == FS_FAT16 && n_clst < MIN_FAT16) - || (fmt == FS_FAT32 && n_clst < MIN_FAT32)) - return FR_MKFS_ABORTED; - - /* Create partition table if required */ - if (sfd == 1) { - md = 0xF0; - } else { - DWORD n_disk = b_vol + n_vol; - - mem_set(fs->win, 0, SS(fs)); - tbl = fs->win+MBR_Table; - ST_DWORD(tbl, 0x00010180); /* Partition start in CHS */ - if (n_disk < 63UL * 255 * 1024) { /* Partition end in CHS */ - n_disk = n_disk / 63 / 255; - tbl[7] = (BYTE)n_disk; - tbl[6] = (BYTE)((n_disk >> 2) | 63); - } else { - ST_WORD(&tbl[6], 0xFFFF); - } - tbl[5] = 254; - if (fmt != FS_FAT32) /* System ID */ - tbl[4] = (n_vol < 0x10000) ? 0x04 : 0x06; - else - tbl[4] = 0x0c; - ST_DWORD(tbl+8, 63); /* Partition start in LBA */ - ST_DWORD(tbl+12, n_vol); /* Partition size in LBA */ - ST_WORD(tbl+64, 0xAA55); /* Signature */ - if (disk_write(drv, fs->win, 0, 1) != RES_OK) - return FR_DISK_ERR; - md = 0xF8; - } - - /* Create VBR */ - tbl = fs->win; /* Clear buffer */ - mem_set(tbl, 0, SS(fs)); - ST_DWORD(tbl+BS_jmpBoot, 0x90FEEB); /* Boot code (jmp $, nop) */ - as = SS(fs); /* Sector size */ - ST_WORD(tbl+BPB_BytsPerSec, as); - tbl[BPB_SecPerClus] = (BYTE)au; /* Sectors per cluster */ - ST_WORD(tbl+BPB_RsvdSecCnt, n_rsv); /* Reserved sectors */ - tbl[BPB_NumFATs] = N_FATS; /* Number of FATs */ - as = (fmt == FS_FAT32) ? 0 : N_ROOTDIR; /* Number of rootdir entries */ - ST_WORD(tbl+BPB_RootEntCnt, as); - if (n_vol < 0x10000) { /* Number of total sectors */ - ST_WORD(tbl+BPB_TotSec16, n_vol); - } else { - ST_DWORD(tbl+BPB_TotSec32, n_vol); - } - tbl[BPB_Media] = md; /* Media descriptor */ - ST_WORD(tbl+BPB_SecPerTrk, 63); /* Number of sectors per track */ - ST_WORD(tbl+BPB_NumHeads, 255); /* Number of heads */ - ST_DWORD(tbl+BPB_HiddSec, b_vol); /* Hidden sectors */ - n = get_fattime(); /* Use current time as VSN */ - if (fmt == FS_FAT32) { - ST_DWORD(tbl+BS_VolID32, n); /* VSN */ - ST_DWORD(tbl+BPB_FATSz32, n_fat); /* Number of sectors per FAT */ - ST_DWORD(tbl+BPB_RootClus, 2); /* Root directory start cluster (2) */ - ST_WORD(tbl+BPB_FSInfo, 1); /* FSInfo record offset (VBR+1) */ - ST_WORD(tbl+BPB_BkBootSec, 6); /* Backup boot record offset (VBR+6) */ - tbl[BS_DrvNum32] = 0x80; /* Drive number */ - tbl[BS_BootSig32] = 0x29; /* Extended boot signature */ - mem_cpy(tbl+BS_VolLab32, "NO NAME FAT32 ", 19); /* Volume label, FAT signature */ - } else { - ST_DWORD(tbl+BS_VolID, n); /* VSN */ - ST_WORD(tbl+BPB_FATSz16, n_fat); /* Number of sectors per FAT */ - tbl[BS_DrvNum] = 0x80; /* Drive number */ - tbl[BS_BootSig] = 0x29; /* Extended boot signature */ - mem_cpy(tbl+BS_VolLab, "NO NAME FAT ", 19); /* Volume label, FAT signature */ - } - ST_WORD(tbl+BS_55AA, 0xAA55); /* Signature (Offset is fixed here regardless of sector size) */ - if (disk_write(drv, tbl, b_vol, 1) != RES_OK) /* Original (VBR) */ - return FR_DISK_ERR; - if (fmt == FS_FAT32) /* Backup (VBR+6) */ - disk_write(drv, tbl, b_vol + 6, 1); - - /* Initialize FAT area */ - for (i = 0; i < N_FATS; i++) { - mem_set(tbl, 0, SS(fs)); /* 1st sector of the FAT */ - n = md; /* Media descriptor byte */ - if (fmt != FS_FAT32) { - n |= (fmt == FS_FAT12) ? 0x00FFFF00 : 0xFFFFFF00; - ST_DWORD(tbl+0, n); /* Reserve cluster #0-1 (FAT12/16) */ - } else { - n |= 0x0FFFFF00; - ST_DWORD(tbl+0, n); /* Reserve cluster #0-1 (FAT32) */ - ST_DWORD(tbl+4, 0x0FFFFFFF); - ST_DWORD(tbl+8, 0x0FFFFFFF); /* Reserve cluster #2 for root dir */ - } - if (disk_write(drv, tbl, b_fat++, 1) != RES_OK) - return FR_DISK_ERR; - mem_set(tbl, 0, SS(fs)); /* Fill following FAT entries with zero */ - for (n = 1; n < n_fat; n++) { /* This loop may take a time on FAT32 volume due to many single sector write */ - if (disk_write(drv, tbl, b_fat++, 1) != RES_OK) - return FR_DISK_ERR; - } - } - - /* Initialize root directory */ - n = (fmt == FS_FAT32) ? as : n_dir; - while (n--) { - if (disk_write(drv, tbl, b_fat++, 1) != RES_OK) - return FR_DISK_ERR; - } - - /* Create FSInfo record if needed */ - if (fmt == FS_FAT32) { - ST_WORD(tbl+BS_55AA, 0xAA55); - ST_DWORD(tbl+FSI_LeadSig, 0x41615252); - ST_DWORD(tbl+FSI_StrucSig, 0x61417272); - ST_DWORD(tbl+FSI_Free_Count, n_clst - 1); - ST_DWORD(tbl+FSI_Nxt_Free, 0xFFFFFFFF); - disk_write(drv, tbl, b_vol + 1, 1); /* Original (VBR+1) */ - disk_write(drv, tbl, b_vol + 7, 1); /* Backup (VBR+7) */ - } - - return (disk_ioctl(drv, CTRL_SYNC, (void*)0) == RES_OK) ? FR_OK : FR_DISK_ERR; -} - -#endif /* _USE_MKFS && !_FS_READONLY */ - - - - -#if _USE_STRFUNC -/*-----------------------------------------------------------------------*/ -/* Get a string from the file */ -/*-----------------------------------------------------------------------*/ -TCHAR* f_gets ( - TCHAR* buff, /* Pointer to the string buffer to read */ - int len, /* Size of string buffer (characters) */ - FAT_FIL* fil /* Pointer to the file object */ -) -{ - int n = 0; - TCHAR c, *p = buff; - BYTE s[2]; - UINT rc; - - - while (n < len - 1) { /* Read bytes until buffer gets filled */ - f_read(fil, s, 1, &rc); - if (rc != 1) break; /* Break on EOF or error */ - c = s[0]; -#if _LFN_UNICODE /* Read a character in UTF-8 encoding */ - if (c >= 0x80) { - if (c < 0xC0) continue; /* Skip stray trailer */ - if (c < 0xE0) { /* Two-byte sequense */ - f_read(fil, s, 1, &rc); - if (rc != 1) break; - c = ((c & 0x1F) << 6) | (s[0] & 0x3F); - if (c < 0x80) c = '?'; - } else { - if (c < 0xF0) { /* Three-byte sequense */ - f_read(fil, s, 2, &rc); - if (rc != 2) break; - c = (c << 12) | ((s[0] & 0x3F) << 6) | (s[1] & 0x3F); - if (c < 0x800) c = '?'; - } else { /* Reject four-byte sequense */ - c = '?'; - } - } - } -#endif -#if _USE_STRFUNC >= 2 - if (c == '\r') continue; /* Strip '\r' */ -#endif - *p++ = c; - n++; - if (c == '\n') break; /* Break on EOL */ - } - *p = 0; - return n ? buff : 0; /* When no data read (eof or error), return with error. */ -} - - - -#if !_FS_READONLY -#include <stdarg.h> -/*-----------------------------------------------------------------------*/ -/* Put a character to the file */ -/*-----------------------------------------------------------------------*/ -int f_putc ( - TCHAR c, /* A character to be output */ - FAT_FIL* fil /* Pointer to the file object */ -) -{ - UINT bw, btw; - BYTE s[3]; - - -#if _USE_STRFUNC >= 2 - if (c == '\n') f_putc ('\r', fil); /* LF -> CRLF conversion */ -#endif - -#if _LFN_UNICODE /* Write the character in UTF-8 encoding */ - if (c < 0x80) { /* 7-bit */ - s[0] = (BYTE)c; - btw = 1; - } else { - if (c < 0x800) { /* 11-bit */ - s[0] = (BYTE)(0xC0 | (c >> 6)); - s[1] = (BYTE)(0x80 | (c & 0x3F)); - btw = 2; - } else { /* 16-bit */ - s[0] = (BYTE)(0xE0 | (c >> 12)); - s[1] = (BYTE)(0x80 | ((c >> 6) & 0x3F)); - s[2] = (BYTE)(0x80 | (c & 0x3F)); - btw = 3; - } - } -#else /* Write the character without conversion */ - s[0] = (BYTE)c; - btw = 1; -#endif - f_write(fil, s, btw, &bw); /* Write the char to the file */ - return (bw == btw) ? 1 : EOF; /* Return the result */ -} - - - - -/*-----------------------------------------------------------------------*/ -/* Put a string to the file */ -/*-----------------------------------------------------------------------*/ -int f_puts ( - const TCHAR* str, /* Pointer to the string to be output */ - FAT_FIL* fil /* Pointer to the file object */ -) -{ - int n; - - - for (n = 0; *str; str++, n++) { - if (f_putc(*str, fil) == EOF) return EOF; - } - return n; -} - - - - -/*-----------------------------------------------------------------------*/ -/* Put a formatted string to the file */ -/*-----------------------------------------------------------------------*/ -int f_printf ( - FAT_FIL* fil, /* Pointer to the file object */ - const TCHAR* str, /* Pointer to the format string */ - ... /* Optional arguments... */ -) -{ - va_list arp; - BYTE f, r; - UINT i, w; - ULONG val; - TCHAR c, d, s[16]; - int res, cc; - - - va_start(arp, str); - - for (cc = res = 0; cc != EOF; res += cc) { - c = *str++; - if (c == 0) break; /* End of string */ - if (c != '%') { /* Non escape character */ - cc = f_putc(c, fil); - if (cc != EOF) cc = 1; - continue; - } - w = f = 0; - c = *str++; - if (c == '0') { /* Flag: '0' padding */ - f = 1; c = *str++; - } - while (IsDigit(c)) { /* Precision */ - w = w * 10 + c - '0'; - c = *str++; - } - if (c == 'l' || c == 'L') { /* Prefix: Size is long int */ - f |= 2; c = *str++; - } - if (!c) break; - d = c; - if (IsLower(d)) d -= 0x20; - switch (d) { /* Type is... */ - case 'S' : /* String */ - cc = f_puts(va_arg(arp, TCHAR*), fil); continue; - case 'C' : /* Character */ - cc = f_putc((TCHAR)va_arg(arp, int), fil); continue; - case 'B' : /* Binary */ - r = 2; break; - case 'O' : /* Octal */ - r = 8; break; - case 'D' : /* Signed decimal */ - case 'U' : /* Unsigned decimal */ - r = 10; break; - case 'X' : /* Hexdecimal */ - r = 16; break; - default: /* Unknown */ - cc = f_putc(c, fil); continue; - } - - /* Get an argument */ - val = (f & 2) ? va_arg(arp, long) : ((d == 'D') ? (long)va_arg(arp, int) : va_arg(arp, unsigned int)); - if (d == 'D' && (val & 0x80000000)) { - val = 0 - val; - f |= 4; - } - /* Put it in numeral string */ - i = 0; - do { - d = (TCHAR)(val % r); val /= r; - if (d > 9) { - d += 7; - if (c == 'x') d += 0x20; - } - s[i++] = d + '0'; - } while (val && i < sizeof(s) / sizeof(s[0])); - if (f & 4) s[i++] = '-'; - cc = 0; - while (i < w-- && cc != EOF) { - cc = f_putc((TCHAR)((f & 1) ? '0' : ' '), fil); - res++; - } - do { - cc = f_putc(s[--i], fil); - res++; - } while (i && cc != EOF); - if (cc != EOF) cc = 0; - } - - va_end(arp); - return (cc == EOF) ? cc : res; -} - -#endif /* !_FS_READONLY */ -#endif /* _USE_STRFUNC */ \ No newline at end of file
--- a/SDFileSystem/FATFileSystem/Core/ff.h Thu Nov 29 16:35:31 2018 +0000 +++ /dev/null Thu Jan 01 00:00:00 1970 +0000 @@ -1,615 +0,0 @@ -/*---------------------------------------------------------------------------/ -/ FatFs - FAT file system module include file R0.08 (C)ChaN, 2010 -/----------------------------------------------------------------------------/ -/ FatFs module is a generic FAT file system module for small embedded systems. -/ This is a free software that opened for education, research and commercial -/ developments under license policy of following trems. -/ -/ Copyright (C) 2010, ChaN, all right reserved. -/ -/ * The FatFs module is a free software and there is NO WARRANTY. -/ * No restriction on use. You can use, modify and redistribute it for -/ personal, non-profit or commercial product UNDER YOUR RESPONSIBILITY. -/ * Redistributions of source code must retain the above copyright notice. -/ -/----------------------------------------------------------------------------*/ - -//Modified by Thomas Hamilton, Copyright 2010 - -#ifndef _FATFS -#define _FATFS 8085 /* Revision ID */ - -#ifdef __cplusplus -extern "C" { -#endif - -#include "integer.h" /* Basic integer types */ -#include "ffconf.h" /* FatFs configuration options */ - -#if _FATFS != _FFCONF -#error Wrong configuration file (ffconf.h). -#endif - - -/* DBCS code ranges and SBCS extend char conversion table */ - -#if _CODE_PAGE == 932 /* Japanese Shift-JIS */ -#define _DF1S 0x81 /* DBC 1st byte range 1 start */ -#define _DF1E 0x9F /* DBC 1st byte range 1 end */ -#define _DF2S 0xE0 /* DBC 1st byte range 2 start */ -#define _DF2E 0xFC /* DBC 1st byte range 2 end */ -#define _DS1S 0x40 /* DBC 2nd byte range 1 start */ -#define _DS1E 0x7E /* DBC 2nd byte range 1 end */ -#define _DS2S 0x80 /* DBC 2nd byte range 2 start */ -#define _DS2E 0xFC /* DBC 2nd byte range 2 end */ - -#elif _CODE_PAGE == 936 /* Simplified Chinese GBK */ -#define _DF1S 0x81 -#define _DF1E 0xFE -#define _DS1S 0x40 -#define _DS1E 0x7E -#define _DS2S 0x80 -#define _DS2E 0xFE - -#elif _CODE_PAGE == 949 /* Korean */ -#define _DF1S 0x81 -#define _DF1E 0xFE -#define _DS1S 0x41 -#define _DS1E 0x5A -#define _DS2S 0x61 -#define _DS2E 0x7A -#define _DS3S 0x81 -#define _DS3E 0xFE - -#elif _CODE_PAGE == 950 /* Traditional Chinese Big5 */ -#define _DF1S 0x81 -#define _DF1E 0xFE -#define _DS1S 0x40 -#define _DS1E 0x7E -#define _DS2S 0xA1 -#define _DS2E 0xFE - -#elif _CODE_PAGE == 437 /* U.S. (OEM) */ -#define _DF1S 0 -#define _EXCVT {0x80,0x9A,0x90,0x41,0x8E,0x41,0x8F,0x80,0x45,0x45,0x45,0x49,0x49,0x49,0x8E,0x8F,0x90,0x92,0x92,0x4F,0x99,0x4F,0x55,0x55,0x59,0x99,0x9A,0x9B,0x9C,0x9D,0x9E,0x9F, \ - 0x41,0x49,0x4F,0x55,0xA5,0xA5,0xA6,0xA7,0xA8,0xA9,0xAA,0xAB,0xAC,0x21,0xAE,0xAF,0xB0,0xB1,0xB2,0xB3,0xB4,0xB5,0xB6,0xB7,0xB8,0xB9,0xBA,0xBB,0xBC,0xBD,0xBE,0xBF, \ - 0xC0,0xC1,0xC2,0xC3,0xC4,0xC5,0xC6,0xC7,0xC8,0xC9,0xCA,0xCB,0xCC,0xCD,0xCE,0xCF,0xD0,0xD1,0xD2,0xD3,0xD4,0xD5,0xD6,0xD7,0xD8,0xD9,0xDA,0xDB,0xDC,0xDD,0xDE,0xDF, \ - 0xE0,0xE1,0xE2,0xE3,0xE4,0xE5,0xE6,0xE7,0xE8,0xE9,0xEA,0xEB,0xEC,0xED,0xEE,0xEF,0xF0,0xF1,0xF2,0xF3,0xF4,0xF5,0xF6,0xF7,0xF8,0xF9,0xFA,0xFB,0xFC,0xFD,0xFE,0xFF} - -#elif _CODE_PAGE == 720 /* Arabic (OEM) */ -#define _DF1S 0 -#define _EXCVT {0x80,0x81,0x45,0x41,0x84,0x41,0x86,0x43,0x45,0x45,0x45,0x49,0x49,0x8D,0x8E,0x8F,0x90,0x92,0x92,0x93,0x94,0x95,0x49,0x49,0x98,0x99,0x9A,0x9B,0x9C,0x9D,0x9E,0x9F, \ - 0xA0,0xA1,0xA2,0xA3,0xA4,0xA5,0xA6,0xA7,0xA8,0xA9,0xAA,0xAB,0xAC,0xAD,0xAE,0xAF,0xB0,0xB1,0xB2,0xB3,0xB4,0xB5,0xB6,0xB7,0xB8,0xB9,0xBA,0xBB,0xBC,0xBD,0xBE,0xBF, \ - 0xC0,0xC1,0xC2,0xC3,0xC4,0xC5,0xC6,0xC7,0xC8,0xC9,0xCA,0xCB,0xCC,0xCD,0xCE,0xCF,0xD0,0xD1,0xD2,0xD3,0xD4,0xD5,0xD6,0xD7,0xD8,0xD9,0xDA,0xDB,0xDC,0xDD,0xDE,0xDF, \ - 0xE0,0xE1,0xE2,0xE3,0xE4,0xE5,0xE6,0xE7,0xE8,0xE9,0xEA,0xEB,0xEC,0xED,0xEE,0xEF,0xF0,0xF1,0xF2,0xF3,0xF4,0xF5,0xF6,0xF7,0xF8,0xF9,0xFA,0xFB,0xFC,0xFD,0xFE,0xFF} - -#elif _CODE_PAGE == 737 /* Greek (OEM) */ -#define _DF1S 0 -#define _EXCVT {0x80,0x81,0x82,0x83,0x84,0x85,0x86,0x87,0x88,0x89,0x8A,0x8B,0x8C,0x8D,0x8E,0x8F,0x90,0x92,0x92,0x93,0x94,0x95,0x96,0x97,0x80,0x81,0x82,0x83,0x84,0x85,0x86,0x87, \ - 0x88,0x89,0x8A,0x8B,0x8C,0x8D,0x8E,0x8F,0x90,0x91,0xAA,0x92,0x93,0x94,0x95,0x96,0xB0,0xB1,0xB2,0xB3,0xB4,0xB5,0xB6,0xB7,0xB8,0xB9,0xBA,0xBB,0xBC,0xBD,0xBE,0xBF, \ - 0xC0,0xC1,0xC2,0xC3,0xC4,0xC5,0xC6,0xC7,0xC8,0xC9,0xCA,0xCB,0xCC,0xCD,0xCE,0xCF,0xD0,0xD1,0xD2,0xD3,0xD4,0xD5,0xD6,0xD7,0xD8,0xD9,0xDA,0xDB,0xDC,0xDD,0xDE,0xDF, \ - 0x97,0xEA,0xEB,0xEC,0xE4,0xED,0xEE,0xE7,0xE8,0xF1,0xEA,0xEB,0xEC,0xED,0xEE,0xEF,0xF0,0xF1,0xF2,0xF3,0xF4,0xF5,0xF6,0xF7,0xF8,0xF9,0xFA,0xFB,0xFC,0xFD,0xFE,0xFF} - -#elif _CODE_PAGE == 775 /* Baltic (OEM) */ -#define _DF1S 0 -#define _EXCVT {0x80,0x9A,0x91,0xA0,0x8E,0x95,0x8F,0x80,0xAD,0xED,0x8A,0x8A,0xA1,0x8D,0x8E,0x8F,0x90,0x92,0x92,0xE2,0x99,0x95,0x96,0x97,0x97,0x99,0x9A,0x9D,0x9C,0x9D,0x9E,0x9F, \ - 0xA0,0xA1,0xE0,0xA3,0xA3,0xA5,0xA6,0xA7,0xA8,0xA9,0xAA,0xAB,0xAC,0xAD,0xAE,0xAF,0xB0,0xB1,0xB2,0xB3,0xB4,0xB5,0xB6,0xB7,0xB8,0xB9,0xBA,0xBB,0xBC,0xBD,0xBE,0xBF, \ - 0xC0,0xC1,0xC2,0xC3,0xC4,0xC5,0xC6,0xC7,0xC8,0xC9,0xCA,0xCB,0xCC,0xCD,0xCE,0xCF,0xB5,0xB6,0xB7,0xB8,0xBD,0xBE,0xC6,0xC7,0xA5,0xD9,0xDA,0xDB,0xDC,0xDD,0xDE,0xDF, \ - 0xE0,0xE1,0xE2,0xE3,0xE5,0xE5,0xE6,0xE3,0xE8,0xE8,0xEA,0xEA,0xEE,0xED,0xEE,0xEF,0xF0,0xF1,0xF2,0xF3,0xF4,0xF5,0xF6,0xF7,0xF8,0xF9,0xFA,0xFB,0xFC,0xFD,0xFE,0xFF} - -#elif _CODE_PAGE == 850 /* Multilingual Latin 1 (OEM) */ -#define _DF1S 0 -#define _EXCVT {0x80,0x9A,0x90,0xB6,0x8E,0xB7,0x8F,0x80,0xD2,0xD3,0xD4,0xD8,0xD7,0xDE,0x8E,0x8F,0x90,0x92,0x92,0xE2,0x99,0xE3,0xEA,0xEB,0x59,0x99,0x9A,0x9D,0x9C,0x9D,0x9E,0x9F, \ - 0xB5,0xD6,0xE0,0xE9,0xA5,0xA5,0xA6,0xA7,0xA8,0xA9,0xAA,0xAB,0xAC,0x21,0xAE,0xAF,0xB0,0xB1,0xB2,0xB3,0xB4,0xB5,0xB6,0xB7,0xB8,0xB9,0xBA,0xBB,0xBC,0xBD,0xBE,0xBF, \ - 0xC0,0xC1,0xC2,0xC3,0xC4,0xC5,0xC7,0xC7,0xC8,0xC9,0xCA,0xCB,0xCC,0xCD,0xCE,0xCF,0xD0,0xD1,0xD2,0xD3,0xD4,0xD5,0xD6,0xD7,0xD8,0xD9,0xDA,0xDB,0xDC,0xDD,0xDE,0xDF, \ - 0xE0,0xE1,0xE2,0xE3,0xE5,0xE5,0xE6,0xE7,0xE7,0xE9,0xEA,0xEB,0xED,0xED,0xEE,0xEF,0xF0,0xF1,0xF2,0xF3,0xF4,0xF5,0xF6,0xF7,0xF8,0xF9,0xFA,0xFB,0xFC,0xFD,0xFE,0xFF} - -#elif _CODE_PAGE == 852 /* Latin 2 (OEM) */ -#define _DF1S 0 -#define _EXCVT {0x80,0x9A,0x90,0xB6,0x8E,0xDE,0x8F,0x80,0x9D,0xD3,0x8A,0x8A,0xD7,0x8D,0x8E,0x8F,0x90,0x91,0x91,0xE2,0x99,0x95,0x95,0x97,0x97,0x99,0x9A,0x9B,0x9B,0x9D,0x9E,0x9F, \ - 0xB5,0xD6,0xE0,0xE9,0xA4,0xA4,0xA6,0xA6,0xA8,0xA8,0xAA,0x8D,0xAC,0xB8,0xAE,0xAF,0xB0,0xB1,0xB2,0xB3,0xB4,0xB5,0xB6,0xB7,0xB8,0xB9,0xBA,0xBB,0xBC,0xBD,0xBD,0xBF, \ - 0xC0,0xC1,0xC2,0xC3,0xC4,0xC5,0xC6,0xC6,0xC8,0xC9,0xCA,0xCB,0xCC,0xCD,0xCE,0xCF,0xD1,0xD1,0xD2,0xD3,0xD2,0xD5,0xD6,0xD7,0xB7,0xD9,0xDA,0xDB,0xDC,0xDD,0xDE,0xDF, \ - 0xE0,0xE1,0xE2,0xE3,0xE3,0xD5,0xE6,0xE6,0xE8,0xE9,0xE8,0xEB,0xED,0xED,0xDD,0xEF,0xF0,0xF1,0xF2,0xF3,0xF4,0xF5,0xF6,0xF7,0xF8,0xF9,0xFA,0xEB,0xFC,0xFC,0xFE,0xFF} - -#elif _CODE_PAGE == 855 /* Cyrillic (OEM) */ -#define _DF1S 0 -#define _EXCVT {0x81,0x81,0x83,0x83,0x85,0x85,0x87,0x87,0x89,0x89,0x8B,0x8B,0x8D,0x8D,0x8F,0x8F,0x91,0x91,0x93,0x93,0x95,0x95,0x97,0x97,0x99,0x99,0x9B,0x9B,0x9D,0x9D,0x9F,0x9F, \ - 0xA1,0xA1,0xA3,0xA3,0xA5,0xA5,0xA7,0xA7,0xA9,0xA9,0xAB,0xAB,0xAD,0xAD,0xAE,0xAF,0xB0,0xB1,0xB2,0xB3,0xB4,0xB6,0xB6,0xB8,0xB8,0xB9,0xBA,0xBB,0xBC,0xBE,0xBE,0xBF, \ - 0xC0,0xC1,0xC2,0xC3,0xC4,0xC5,0xC7,0xC7,0xC8,0xC9,0xCA,0xCB,0xCC,0xCD,0xCE,0xCF,0xD1,0xD1,0xD3,0xD3,0xD5,0xD5,0xD7,0xD7,0xDD,0xD9,0xDA,0xDB,0xDC,0xDD,0xE0,0xDF, \ - 0xE0,0xE2,0xE2,0xE4,0xE4,0xE6,0xE6,0xE8,0xE8,0xEA,0xEA,0xEC,0xEC,0xEE,0xEE,0xEF,0xF0,0xF2,0xF2,0xF4,0xF4,0xF6,0xF6,0xF8,0xF8,0xFA,0xFA,0xFC,0xFC,0xFD,0xFE,0xFF} - -#elif _CODE_PAGE == 857 /* Turkish (OEM) */ -#define _DF1S 0 -#define _EXCVT {0x80,0x9A,0x90,0xB6,0x8E,0xB7,0x8F,0x80,0xD2,0xD3,0xD4,0xD8,0xD7,0x98,0x8E,0x8F,0x90,0x92,0x92,0xE2,0x99,0xE3,0xEA,0xEB,0x98,0x99,0x9A,0x9D,0x9C,0x9D,0x9E,0x9E, \ - 0xB5,0xD6,0xE0,0xE9,0xA5,0xA5,0xA6,0xA6,0xA8,0xA9,0xAA,0xAB,0xAC,0x21,0xAE,0xAF,0xB0,0xB1,0xB2,0xB3,0xB4,0xB5,0xB6,0xB7,0xB8,0xB9,0xBA,0xBB,0xBC,0xBD,0xBE,0xBF, \ - 0xC0,0xC1,0xC2,0xC3,0xC4,0xC5,0xC7,0xC7,0xC8,0xC9,0xCA,0xCB,0xCC,0xCD,0xCE,0xCF,0xD0,0xD1,0xD2,0xD3,0xD4,0xD5,0xD6,0xD7,0xD8,0xD9,0xDA,0xDB,0xDC,0xDD,0xDE,0xDF, \ - 0xE0,0xE1,0xE2,0xE3,0xE5,0xE5,0xE6,0xE7,0xE8,0xE9,0xEA,0xEB,0xDE,0x59,0xEE,0xEF,0xF0,0xF1,0xF2,0xF3,0xF4,0xF5,0xF6,0xF7,0xF8,0xF9,0xFA,0xFB,0xFC,0xFD,0xFE,0xFF} - -#elif _CODE_PAGE == 858 /* Multilingual Latin 1 + Euro (OEM) */ -#define _DF1S 0 -#define _EXCVT {0x80,0x9A,0x90,0xB6,0x8E,0xB7,0x8F,0x80,0xD2,0xD3,0xD4,0xD8,0xD7,0xDE,0x8E,0x8F,0x90,0x92,0x92,0xE2,0x99,0xE3,0xEA,0xEB,0x59,0x99,0x9A,0x9D,0x9C,0x9D,0x9E,0x9F, \ - 0xB5,0xD6,0xE0,0xE9,0xA5,0xA5,0xA6,0xA7,0xA8,0xA9,0xAA,0xAB,0xAC,0x21,0xAE,0xAF,0xB0,0xB1,0xB2,0xB3,0xB4,0xB5,0xB6,0xB7,0xB8,0xB9,0xBA,0xBB,0xBC,0xBD,0xBE,0xBF, \ - 0xC0,0xC1,0xC2,0xC3,0xC4,0xC5,0xC7,0xC7,0xC8,0xC9,0xCA,0xCB,0xCC,0xCD,0xCE,0xCF,0xD1,0xD1,0xD2,0xD3,0xD4,0xD5,0xD6,0xD7,0xD8,0xD9,0xDA,0xDB,0xDC,0xDD,0xDE,0xDF, \ - 0xE0,0xE1,0xE2,0xE3,0xE5,0xE5,0xE6,0xE7,0xE7,0xE9,0xEA,0xEB,0xED,0xED,0xEE,0xEF,0xF0,0xF1,0xF2,0xF3,0xF4,0xF5,0xF6,0xF7,0xF8,0xF9,0xFA,0xFB,0xFC,0xFD,0xFE,0xFF} - -#elif _CODE_PAGE == 862 /* Hebrew (OEM) */ -#define _DF1S 0 -#define _EXCVT {0x80,0x81,0x82,0x83,0x84,0x85,0x86,0x87,0x88,0x89,0x8A,0x8B,0x8C,0x8D,0x8E,0x8F,0x90,0x91,0x92,0x93,0x94,0x95,0x96,0x97,0x98,0x99,0x9A,0x9B,0x9C,0x9D,0x9E,0x9F, \ - 0x41,0x49,0x4F,0x55,0xA5,0xA5,0xA6,0xA7,0xA8,0xA9,0xAA,0xAB,0xAC,0x21,0xAE,0xAF,0xB0,0xB1,0xB2,0xB3,0xB4,0xB5,0xB6,0xB7,0xB8,0xB9,0xBA,0xBB,0xBC,0xBD,0xBE,0xBF, \ - 0xC0,0xC1,0xC2,0xC3,0xC4,0xC5,0xC6,0xC7,0xC8,0xC9,0xCA,0xCB,0xCC,0xCD,0xCE,0xCF,0xD0,0xD1,0xD2,0xD3,0xD4,0xD5,0xD6,0xD7,0xD8,0xD9,0xDA,0xDB,0xDC,0xDD,0xDE,0xDF, \ - 0xE0,0xE1,0xE2,0xE3,0xE4,0xE5,0xE6,0xE7,0xE8,0xE9,0xEA,0xEB,0xEC,0xED,0xEE,0xEF,0xF0,0xF1,0xF2,0xF3,0xF4,0xF5,0xF6,0xF7,0xF8,0xF9,0xFA,0xFB,0xFC,0xFD,0xFE,0xFF} - -#elif _CODE_PAGE == 866 /* Russian (OEM) */ -#define _DF1S 0 -#define _EXCVT {0x80,0x81,0x82,0x83,0x84,0x85,0x86,0x87,0x88,0x89,0x8A,0x8B,0x8C,0x8D,0x8E,0x8F,0x90,0x91,0x92,0x93,0x94,0x95,0x96,0x97,0x98,0x99,0x9A,0x9B,0x9C,0x9D,0x9E,0x9F, \ - 0x80,0x81,0x82,0x83,0x84,0x85,0x86,0x87,0x88,0x89,0x8A,0x8B,0x8C,0x8D,0x8E,0x8F,0xB0,0xB1,0xB2,0xB3,0xB4,0xB5,0xB6,0xB7,0xB8,0xB9,0xBA,0xBB,0xBC,0xBD,0xBE,0xBF, \ - 0xC0,0xC1,0xC2,0xC3,0xC4,0xC5,0xC6,0xC7,0xC8,0xC9,0xCA,0xCB,0xCC,0xCD,0xCE,0xCF,0xD0,0xD1,0xD2,0xD3,0xD4,0xD5,0xD6,0xD7,0xD8,0xD9,0xDA,0xDB,0xDC,0xDD,0xDE,0xDF, \ - 0x90,0x91,0x92,0x93,0x9d,0x95,0x96,0x97,0x98,0x99,0x9A,0x9B,0x9C,0x9D,0x9E,0x9F,0xF0,0xF0,0xF2,0xF2,0xF4,0xF4,0xF6,0xF6,0xF8,0xF9,0xFA,0xFB,0xFC,0xFD,0xFE,0xFF} - -#elif _CODE_PAGE == 874 /* Thai (OEM, Windows) */ -#define _DF1S 0 -#define _EXCVT {0x80,0x81,0x82,0x83,0x84,0x85,0x86,0x87,0x88,0x89,0x8A,0x8B,0x8C,0x8D,0x8E,0x8F,0x90,0x91,0x92,0x93,0x94,0x95,0x96,0x97,0x98,0x99,0x9A,0x9B,0x9C,0x9D,0x9E,0x9F, \ - 0xA0,0xA1,0xA2,0xA3,0xA4,0xA5,0xA6,0xA7,0xA8,0xA9,0xAA,0xAB,0xAC,0xAD,0xAE,0xAF,0xB0,0xB1,0xB2,0xB3,0xB4,0xB5,0xB6,0xB7,0xB8,0xB9,0xBA,0xBB,0xBC,0xBD,0xBE,0xBF, \ - 0xC0,0xC1,0xC2,0xC3,0xC4,0xC5,0xC6,0xC7,0xC8,0xC9,0xCA,0xCB,0xCC,0xCD,0xCE,0xCF,0xD0,0xD1,0xD2,0xD3,0xD4,0xD5,0xD6,0xD7,0xD8,0xD9,0xDA,0xDB,0xDC,0xDD,0xDE,0xDF, \ - 0xE0,0xE1,0xE2,0xE3,0xE4,0xE5,0xE6,0xE7,0xE8,0xE9,0xEA,0xEB,0xEC,0xED,0xEE,0xEF,0xF0,0xF1,0xF2,0xF3,0xF4,0xF5,0xF6,0xF7,0xF8,0xF9,0xFA,0xFB,0xFC,0xFD,0xFE,0xFF} - -#elif _CODE_PAGE == 1250 /* Central Europe (Windows) */ -#define _DF1S 0 -#define _EXCVT {0x80,0x81,0x82,0x83,0x84,0x85,0x86,0x87,0x88,0x89,0x8A,0x8B,0x8C,0x8D,0x8E,0x8F,0x90,0x91,0x92,0x93,0x94,0x95,0x96,0x97,0x98,0x99,0x8A,0x9B,0x8C,0x8D,0x8E,0x8F, \ - 0xA0,0xA1,0xA2,0xA3,0xA4,0xA5,0xA6,0xA7,0xA8,0xA9,0xAA,0xAB,0xAC,0xAD,0xAE,0xAF,0xB0,0xB1,0xB2,0xA3,0xB4,0xB5,0xB6,0xB7,0xB8,0xA5,0xAA,0xBB,0xBC,0xBD,0xBC,0xAF, \ - 0xC0,0xC1,0xC2,0xC3,0xC4,0xC5,0xC6,0xC7,0xC8,0xC9,0xCA,0xCB,0xCC,0xCD,0xCE,0xCF,0xD0,0xD1,0xD2,0xD3,0xD4,0xD5,0xD6,0xD7,0xD8,0xD9,0xDA,0xDB,0xDC,0xDD,0xDE,0xDF, \ - 0xC0,0xC1,0xC2,0xC3,0xC4,0xC5,0xC6,0xC7,0xC8,0xC9,0xCA,0xCB,0xCC,0xCD,0xCE,0xCF,0xD0,0xD1,0xD2,0xD3,0xD4,0xD5,0xD6,0xF7,0xD8,0xD9,0xDA,0xDB,0xDC,0xDD,0xDE,0xFF} - -#elif _CODE_PAGE == 1251 /* Cyrillic (Windows) */ -#define _DF1S 0 -#define _EXCVT {0x80,0x81,0x82,0x82,0x84,0x85,0x86,0x87,0x88,0x89,0x8A,0x8B,0x8C,0x8D,0x8E,0x8F,0x80,0x91,0x92,0x93,0x94,0x95,0x96,0x97,0x98,0x99,0x8A,0x9B,0x8C,0x8D,0x8E,0x8F, \ - 0xA0,0xA2,0xA2,0xA3,0xA4,0xA5,0xA6,0xA7,0xA8,0xA9,0xAA,0xAB,0xAC,0xAD,0xAE,0xAF,0xB0,0xB1,0xB2,0xB2,0xA5,0xB5,0xB6,0xB7,0xA8,0xB9,0xAA,0xBB,0xA3,0xBD,0xBD,0xAF, \ - 0xC0,0xC1,0xC2,0xC3,0xC4,0xC5,0xC6,0xC7,0xC8,0xC9,0xCA,0xCB,0xCC,0xCD,0xCE,0xCF,0xD0,0xD1,0xD2,0xD3,0xD4,0xD5,0xD6,0xD7,0xD8,0xD9,0xDA,0xDB,0xDC,0xDD,0xDE,0xDF, \ - 0xC0,0xC1,0xC2,0xC3,0xC4,0xC5,0xC6,0xC7,0xC8,0xC9,0xCA,0xCB,0xCC,0xCD,0xCE,0xCF,0xD0,0xD1,0xD2,0xD3,0xD4,0xD5,0xD6,0xD7,0xD8,0xD9,0xDA,0xDB,0xDC,0xDD,0xDE,0xDF} - -#elif _CODE_PAGE == 1252 /* Latin 1 (Windows) */ -#define _DF1S 0 -#define _EXCVT {0x80,0x81,0x82,0x83,0x84,0x85,0x86,0x87,0x88,0x89,0x8A,0x8B,0x8C,0x8D,0x8E,0x8F,0x90,0x91,0x92,0x93,0x94,0x95,0x96,0x97,0x98,0x99,0xAd,0x9B,0x8C,0x9D,0xAE,0x9F, \ - 0xA0,0x21,0xA2,0xA3,0xA4,0xA5,0xA6,0xA7,0xA8,0xA9,0xAA,0xAB,0xAC,0xAD,0xAE,0xAF,0xB0,0xB1,0xB2,0xB3,0xB4,0xB5,0xB6,0xB7,0xB8,0xB9,0xBA,0xBB,0xBC,0xBD,0xBE,0xBF, \ - 0xC0,0xC1,0xC2,0xC3,0xC4,0xC5,0xC6,0xC7,0xC8,0xC9,0xCA,0xCB,0xCC,0xCD,0xCE,0xCF,0xD0,0xD1,0xD2,0xD3,0xD4,0xD5,0xD6,0xD7,0xD8,0xD9,0xDA,0xDB,0xDC,0xDD,0xDE,0xDF, \ - 0xC0,0xC1,0xC2,0xC3,0xC4,0xC5,0xC6,0xC7,0xC8,0xC9,0xCA,0xCB,0xCC,0xCD,0xCE,0xCF,0xD0,0xD1,0xD2,0xD3,0xD4,0xD5,0xD6,0xF7,0xD8,0xD9,0xDA,0xDB,0xDC,0xDD,0xDE,0x9F} - -#elif _CODE_PAGE == 1253 /* Greek (Windows) */ -#define _DF1S 0 -#define _EXCVT {0x80,0x81,0x82,0x83,0x84,0x85,0x86,0x87,0x88,0x89,0x8A,0x8B,0x8C,0x8D,0x8E,0x8F,0x90,0x91,0x92,0x93,0x94,0x95,0x96,0x97,0x98,0x99,0x9A,0x9B,0x9C,0x9D,0x9E,0x9F, \ - 0xA0,0xA1,0xA2,0xA3,0xA4,0xA5,0xA6,0xA7,0xA8,0xA9,0xAA,0xAB,0xAC,0xAD,0xAE,0xAF,0xB0,0xB1,0xB2,0xB3,0xB4,0xB5,0xB6,0xB7,0xB8,0xB9,0xBA,0xBB,0xBC,0xBD,0xBE,0xBF, \ - 0xC0,0xC1,0xC2,0xC3,0xC4,0xC5,0xC6,0xC7,0xC8,0xC9,0xCA,0xCB,0xCC,0xCD,0xCE,0xCF,0xD0,0xD1,0xD2,0xD3,0xD4,0xD5,0xD6,0xD7,0xD8,0xD9,0xDA,0xDB,0xA2,0xB8,0xB9,0xBA, \ - 0xE0,0xC1,0xC2,0xC3,0xC4,0xC5,0xC6,0xC7,0xC8,0xC9,0xCA,0xCB,0xCC,0xCD,0xCE,0xCF,0xD0,0xD1,0xF2,0xD3,0xD4,0xD5,0xD6,0xD7,0xD8,0xD9,0xDA,0xFB,0xBC,0xFD,0xBF,0xFF} - -#elif _CODE_PAGE == 1254 /* Turkish (Windows) */ -#define _DF1S 0 -#define _EXCVT {0x80,0x81,0x82,0x83,0x84,0x85,0x86,0x87,0x88,0x89,0x8A,0x8B,0x8C,0x8D,0x8E,0x8F,0x90,0x91,0x92,0x93,0x94,0x95,0x96,0x97,0x98,0x99,0x8A,0x9B,0x8C,0x9D,0x9E,0x9F, \ - 0xA0,0x21,0xA2,0xA3,0xA4,0xA5,0xA6,0xA7,0xA8,0xA9,0xAA,0xAB,0xAC,0xAD,0xAE,0xAF,0xB0,0xB1,0xB2,0xB3,0xB4,0xB5,0xB6,0xB7,0xB8,0xB9,0xBA,0xBB,0xBC,0xBD,0xBE,0xBF, \ - 0xC0,0xC1,0xC2,0xC3,0xC4,0xC5,0xC6,0xC7,0xC8,0xC9,0xCA,0xCB,0xCC,0xCD,0xCE,0xCF,0xD0,0xD1,0xD2,0xD3,0xD4,0xD5,0xD6,0xD7,0xD8,0xD9,0xDA,0xDB,0xDC,0xDD,0xDE,0xDF, \ - 0xC0,0xC1,0xC2,0xC3,0xC4,0xC5,0xC6,0xC7,0xC8,0xC9,0xCA,0xCB,0xCC,0xCD,0xCE,0xCF,0xD0,0xD1,0xD2,0xD3,0xD4,0xD5,0xD6,0xF7,0xD8,0xD9,0xDA,0xDB,0xDC,0xDD,0xDE,0x9F} - -#elif _CODE_PAGE == 1255 /* Hebrew (Windows) */ -#define _DF1S 0 -#define _EXCVT {0x80,0x81,0x82,0x83,0x84,0x85,0x86,0x87,0x88,0x89,0x8A,0x8B,0x8C,0x8D,0x8E,0x8F,0x90,0x91,0x92,0x93,0x94,0x95,0x96,0x97,0x98,0x99,0x9A,0x9B,0x9C,0x9D,0x9E,0x9F, \ - 0xA0,0x21,0xA2,0xA3,0xA4,0xA5,0xA6,0xA7,0xA8,0xA9,0xAA,0xAB,0xAC,0xAD,0xAE,0xAF,0xB0,0xB1,0xB2,0xB3,0xB4,0xB5,0xB6,0xB7,0xB8,0xB9,0xBA,0xBB,0xBC,0xBD,0xBE,0xBF, \ - 0xC0,0xC1,0xC2,0xC3,0xC4,0xC5,0xC6,0xC7,0xC8,0xC9,0xCA,0xCB,0xCC,0xCD,0xCE,0xCF,0xD0,0xD1,0xD2,0xD3,0xD4,0xD5,0xD6,0xD7,0xD8,0xD9,0xDA,0xDB,0xDC,0xDD,0xDE,0xDF, \ - 0xE0,0xE1,0xE2,0xE3,0xE4,0xE5,0xE6,0xE7,0xE8,0xE9,0xEA,0xEB,0xEC,0xED,0xEE,0xEF,0xF0,0xF1,0xF2,0xF3,0xF4,0xF5,0xF6,0xF7,0xF8,0xF9,0xFA,0xFB,0xFC,0xFD,0xFE,0xFF} - -#elif _CODE_PAGE == 1256 /* Arabic (Windows) */ -#define _DF1S 0 -#define _EXCVT {0x80,0x81,0x82,0x83,0x84,0x85,0x86,0x87,0x88,0x89,0x8A,0x8B,0x8C,0x8D,0x8E,0x8F,0x90,0x91,0x92,0x93,0x94,0x95,0x96,0x97,0x98,0x99,0x9A,0x9B,0x8C,0x9D,0x9E,0x9F, \ - 0xA0,0xA1,0xA2,0xA3,0xA4,0xA5,0xA6,0xA7,0xA8,0xA9,0xAA,0xAB,0xAC,0xAD,0xAE,0xAF,0xB0,0xB1,0xB2,0xB3,0xB4,0xB5,0xB6,0xB7,0xB8,0xB9,0xBA,0xBB,0xBC,0xBD,0xBE,0xBF, \ - 0xC0,0xC1,0xC2,0xC3,0xC4,0xC5,0xC6,0xC7,0xC8,0xC9,0xCA,0xCB,0xCC,0xCD,0xCE,0xCF,0xD0,0xD1,0xD2,0xD3,0xD4,0xD5,0xD6,0xD7,0xD8,0xD9,0xDA,0xDB,0xDC,0xDD,0xDE,0xDF, \ - 0x41,0xE1,0x41,0xE3,0xE4,0xE5,0xE6,0x43,0x45,0x45,0x45,0x45,0xEC,0xED,0x49,0x49,0xF0,0xF1,0xF2,0xF3,0x4F,0xF5,0xF6,0xF7,0xF8,0x55,0xFA,0x55,0x55,0xFD,0xFE,0xFF} - -#elif _CODE_PAGE == 1257 /* Baltic (Windows) */ -#define _DF1S 0 -#define _EXCVT {0x80,0x81,0x82,0x83,0x84,0x85,0x86,0x87,0x88,0x89,0x8A,0x8B,0x8C,0x8D,0x8E,0x8F,0x90,0x91,0x92,0x93,0x94,0x95,0x96,0x97,0x98,0x99,0x9A,0x9B,0x9C,0x9D,0x9E,0x9F, \ - 0xA0,0xA1,0xA2,0xA3,0xA4,0xA5,0xA6,0xA7,0xA8,0xA9,0xAA,0xAB,0xAC,0xAD,0xAE,0xAF,0xB0,0xB1,0xB2,0xB3,0xB4,0xB5,0xB6,0xB7,0xA8,0xB9,0xAA,0xBB,0xBC,0xBD,0xBE,0xAF, \ - 0xC0,0xC1,0xC2,0xC3,0xC4,0xC5,0xC6,0xC7,0xC8,0xC9,0xCA,0xCB,0xCC,0xCD,0xCE,0xCF,0xD0,0xD1,0xD2,0xD3,0xD4,0xD5,0xD6,0xD7,0xD8,0xD9,0xDA,0xDB,0xDC,0xDD,0xDE,0xDF, \ - 0xC0,0xC1,0xC2,0xC3,0xC4,0xC5,0xC6,0xC7,0xC8,0xC9,0xCA,0xCB,0xCC,0xCD,0xCE,0xCF,0xD0,0xD1,0xD2,0xD3,0xD4,0xD5,0xD6,0xF7,0xD8,0xD9,0xDA,0xDB,0xDC,0xDD,0xDE,0xFF} - -#elif _CODE_PAGE == 1258 /* Vietnam (OEM, Windows) */ -#define _DF1S 0 -#define _EXCVT {0x80,0x81,0x82,0x83,0x84,0x85,0x86,0x87,0x88,0x89,0x8A,0x8B,0x8C,0x8D,0x8E,0x8F,0x90,0x91,0x92,0x93,0x94,0x95,0x96,0x97,0x98,0x99,0x9A,0x9B,0xAC,0x9D,0x9E,0x9F, \ - 0xA0,0x21,0xA2,0xA3,0xA4,0xA5,0xA6,0xA7,0xA8,0xA9,0xAA,0xAB,0xAC,0xAD,0xAE,0xAF,0xB0,0xB1,0xB2,0xB3,0xB4,0xB5,0xB6,0xB7,0xB8,0xB9,0xBA,0xBB,0xBC,0xBD,0xBE,0xBF, \ - 0xC0,0xC1,0xC2,0xC3,0xC4,0xC5,0xC6,0xC7,0xC8,0xC9,0xCA,0xCB,0xCC,0xCD,0xCE,0xCF,0xD0,0xD1,0xD2,0xD3,0xD4,0xD5,0xD6,0xD7,0xD8,0xD9,0xDA,0xDB,0xDC,0xDD,0xDE,0xDF, \ - 0xC0,0xC1,0xC2,0xC3,0xC4,0xC5,0xC6,0xC7,0xC8,0xC9,0xCA,0xCB,0xEC,0xCD,0xCE,0xCF,0xD0,0xD1,0xF2,0xD3,0xD4,0xD5,0xD6,0xF7,0xD8,0xD9,0xDA,0xDB,0xDC,0xDD,0xFE,0x9F} - -#elif _CODE_PAGE == 1 /* ASCII (for only non-LFN cfg) */ -#define _DF1S 0 - -#else -#error Unknown code page - -#endif - - - -/* Definitions corresponds to volume management */ - -#if _MULTI_PARTITION /* Multiple partition configuration */ -#define LD2PD(drv) (Drives[drv].pd) /* Get physical drive# */ -#define LD2PT(drv) (Drives[drv].pt) /* Get partition# */ -typedef struct { - BYTE pd; /* Physical drive# */ - BYTE pt; /* Partition # (0-3) */ -} PARTITION; -extern const PARTITION Drives[]; /* Logical drive# to physical location conversion table */ - -#else /* Single partition configuration */ -#define LD2PD(drv) (drv) /* Physical drive# is equal to the logical drive# */ -#define LD2PT(drv) 0 /* Always mounts the 1st partition */ - -#endif - - - -/* Type of path name strings on FatFs API */ - -#if _LFN_UNICODE /* Unicode string */ -#if !_USE_LFN -#error _LFN_UNICODE must be 0 in non-LFN cfg. -#endif -#ifndef _INC_TCHAR -typedef WCHAR TCHAR; -#define _T(x) L ## x -#define _TEXT(x) L ## x -#endif - -#else /* ANSI/OEM string */ -#ifndef _INC_TCHAR -typedef char TCHAR; -#define _T(x) x -#define _TEXT(x) x -#endif - -#endif - - - -/* Definitions corresponds to file shareing feature */ - -#if _FS_SHARE -#if _FS_READONLY -#error _FS_SHARE must be 0 on R/O cfg. -#endif -typedef struct { - DWORD clu; /* File ID 1, directory */ - WORD idx; /* File ID 2, index in the directory */ - WORD ctr; /* File open counter, 0:none, 0x01..0xFF:read open count, 0x100:in write open */ -} FILESEM; -#endif - - - -/* File system object structure (FATFS) */ - -typedef struct { - BYTE fs_type; /* FAT sub-type (0:Not mounted) */ - BYTE drv; /* Physical drive number */ - BYTE csize; /* Sectors per cluster (1,2,4...128) */ - BYTE n_fats; /* Number of FAT copies (1,2) */ - BYTE wflag; /* win[] dirty flag (1:must be written back) */ - BYTE fsi_flag; /* fsinfo dirty flag (1:must be written back) */ - WORD id; /* File system mount ID */ - WORD n_rootdir; /* Number of root directory entries (FAT12/16) */ -#if _MAX_SS != 512 - WORD ssize; /* Bytes per sector (512,1024,2048,4096) */ -#endif -#if _FS_REENTRANT - _SYNC_t sobj; /* Identifier of sync object */ -#endif -#if !_FS_READONLY - DWORD last_clust; /* Last allocated cluster */ - DWORD free_clust; /* Number of free clusters */ - DWORD fsi_sector; /* fsinfo sector (FAT32) */ -#endif -#if _FS_RPATH - DWORD cdir; /* Current directory start cluster (0:root) */ -#endif - DWORD n_fatent; /* Number of FAT entries (= number of clusters + 2) */ - DWORD fsize; /* Sectors per FAT */ - DWORD fatbase; /* FAT start sector */ - DWORD dirbase; /* Root directory start sector (FAT32:Cluster#) */ - DWORD database; /* Data start sector */ - DWORD winsect; /* Current sector appearing in the win[] */ - BYTE win[_MAX_SS]; /* Disk access window for Directory, FAT (and Data on tiny cfg) */ -#if _FS_SHARE - FILESEM flsem[_FS_SHARE]; /* File lock semaphores */ -#endif -} FATFS; - - - -/* File object structure (FIL) */ - -typedef struct { - FATFS* fs; /* Pointer to the owner file system object */ - WORD id; /* Owner file system mount ID */ - BYTE flag; /* File status flags */ - BYTE pad1; - DWORD fptr; /* File read/write pointer */ - DWORD fsize; /* File size */ - DWORD org_clust; /* File start cluster (0 when fsize==0) */ - DWORD curr_clust; /* Current cluster */ - DWORD dsect; /* Current data sector */ -#if !_FS_READONLY - DWORD dir_sect; /* Sector containing the directory entry */ - BYTE* dir_ptr; /* Ponter to the directory entry in the window */ -#endif -#if _USE_FASTSEEK - DWORD* cltbl; /* Pointer to the cluster link map table */ -#endif -#if _FS_SHARE - UINT lockid; /* File lock ID */ -#endif -#if !_FS_TINY - BYTE buf[_MAX_SS]; /* File data read/write buffer */ -#endif -} FAT_FIL; - - - -/* Directory object structure (FAT_DIR) */ - -typedef struct { - FATFS* fs; /* Pointer to the owner file system object */ - WORD id; /* Owner file system mount ID */ - WORD index; /* Current read/write index number */ - DWORD sclust; /* Table start cluster (0:Root dir) */ - DWORD clust; /* Current cluster */ - DWORD sect; /* Current sector */ - BYTE* dir; /* Pointer to the current SFN entry in the win[] */ - BYTE* fn; /* Pointer to the SFN (in/out) {file[8],ext[3],status[1]} */ -#if _USE_LFN - WCHAR* lfn; /* Pointer to the LFN working buffer */ - WORD lfn_idx; /* Last matched LFN index number (0xFFFF:No LFN) */ -#endif -} FAT_DIR; - - - -/* File status structure (FILINFO) */ - -typedef struct { - DWORD fsize; /* File size */ - WORD fdate; /* Last modified date */ - WORD ftime; /* Last modified time */ - BYTE fattrib; /* Attribute */ - TCHAR fname[13]; /* Short file name (8.3 format) */ -#if _USE_LFN - TCHAR* lfname; /* Pointer to the LFN buffer */ - int lfsize; /* Size of LFN buffer [chrs] */ -#endif -} FILINFO; - - - -/* File function return code (FRESULT) */ - -typedef enum { - FR_OK = 0, /* (0) Succeeded */ - FR_DISK_ERR, /* (1) A hard error occured 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) Acces denied due to prohibited access or directory full */ - FR_EXIST, /* (8) Acces 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 on the physical drive */ - FR_MKFS_ABORTED, /* (14) The f_mkfs() aborted due to any parameter error */ - 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 shareing policy */ - FR_NOT_ENOUGH_CORE, /* (17) LFN working buffer could not be allocated */ - FR_TOO_MANY_OPEN_FILES /* (18) Number of open files > _FS_SHARE */ -} FRESULT; - - - -/*--------------------------------------------------------------*/ -/* FatFs module application interface */ - -FRESULT f_mount (BYTE, FATFS*); /* Mount/Unmount a logical drive */ -FRESULT f_open (FAT_FIL*, const TCHAR*, BYTE); /* Open or create a file */ -FRESULT f_read (FAT_FIL*, void*, UINT, UINT*); /* Read data from a file */ -FRESULT f_lseek (FAT_FIL*, DWORD); /* Move file pointer of a file object */ -FRESULT f_close (FAT_FIL*); /* Close an open file object */ -FRESULT f_opendir (FAT_DIR*, const TCHAR*); /* Open an existing directory */ -FRESULT f_readdir (FAT_DIR*, FILINFO*); /* Read a directory item */ -FRESULT f_stat (const TCHAR*, FILINFO*); /* Get file status */ -#if !_FS_READONLY -FRESULT f_write (FAT_FIL*, const void*, UINT, UINT*); /* Write data to a file */ -FRESULT f_getfree (const TCHAR*, DWORD*, FATFS**); /* Get number of free clusters on the drive */ -FRESULT f_truncate (FAT_FIL*); /* Truncate file */ -FRESULT f_sync (FAT_FIL*); /* Flush cached data of a writing file */ -FRESULT f_unlink (const TCHAR*); /* Delete an existing file or directory */ -FRESULT f_mkdir (const TCHAR*); /* Create a new directory */ -FRESULT f_chmod (const TCHAR*, BYTE, BYTE); /* Change attriburte of the file/dir */ -FRESULT f_utime (const TCHAR*, const FILINFO*); /* Change timestamp of the file/dir */ -FRESULT f_rename (const TCHAR*, const TCHAR*); /* Rename/Move a file or directory */ -#endif -#if _USE_FORWARD -FRESULT f_forward (FAT_FIL*, UINT(*)(const BYTE*,UINT), UINT, UINT*); /* Forward data to the stream */ -#endif -#if _USE_MKFS -FRESULT f_mkfs (BYTE, BYTE, UINT); /* Create a file system on the drive */ -#endif -#if _FS_RPATH -FRESULT f_chdir (const TCHAR*); /* Change current directory */ -FRESULT f_chdrive (BYTE); /* Change current drive */ -#endif -#if _USE_STRFUNC -int f_putc (TCHAR, FAT_FIL*); /* Put a character to the file */ -int f_puts (const TCHAR*, FAT_FIL*); /* Put a string to the file */ -int f_printf (FAT_FIL*, const TCHAR*, ...); /* Put a formatted string to the file */ -TCHAR* f_gets (TCHAR*, int, FAT_FIL*); /* Get a string from the file */ -#define f_eof(fp) (((fp)->fptr == (fp)->fsize) ? 1 : 0) -#define f_error(fp) (((fp)->flag & FA__ERROR) ? 1 : 0) -#ifndef EOF -#define EOF (-1) -#endif -#endif - - - -/*--------------------------------------------------------------*/ -/* Additional user defined functions */ - -/* RTC function */ -#if !_FS_READONLY -DWORD get_fattime (void); -#endif - -/* Unicode support functions */ -#if _USE_LFN /* Unicode - OEM code conversion */ -WCHAR ff_convert (WCHAR, UINT); /* OEM-Unicode bidirectional conversion */ -WCHAR ff_wtoupper (WCHAR); /* Unicode upper-case conversion */ -#if _USE_LFN == 3 /* Memory functions */ -void* ff_memalloc (UINT); /* Allocate memory block */ -void ff_memfree (void*); /* Free memory block */ -#endif -#endif - -/* Sync functions */ -#if _FS_REENTRANT -int ff_cre_syncobj (BYTE, _SYNC_t*);/* Create a sync object */ -int ff_del_syncobj (_SYNC_t); /* Delete a sync object */ -int ff_req_grant (_SYNC_t); /* Lock sync object */ -void ff_rel_grant (_SYNC_t); /* Unlock sync object */ -#endif - - - - -/*--------------------------------------------------------------*/ -/* Flags and offset address */ - - -/* File access control and file status flags (FIL.flag) */ - -#define FA_READ 0x01 -#define FA_OPEN_EXISTING 0x00 -#define FA__ERROR 0x80 - -#if !_FS_READONLY -#define FA_WRITE 0x02 -#define FA_CREATE_NEW 0x04 -#define FA_CREATE_ALWAYS 0x08 -#define FA_OPEN_ALWAYS 0x10 -#define FA__WRITTEN 0x20 -#define FA__DIRTY 0x40 -#endif - - -/* FAT sub type (FATFS.fs_type) */ - -#define FS_FAT12 1 -#define FS_FAT16 2 -#define FS_FAT32 3 - - -/* File attribute bits for directory entry */ - -#define AM_RDO 0x01 /* Read only */ -#define AM_HID 0x02 /* Hidden */ -#define AM_SYS 0x04 /* System */ -#define AM_VOL 0x08 /* Volume label */ -#define AM_LFN 0x0F /* LFN entry */ -#define AM_DIR 0x10 /* Directory */ -#define AM_ARC 0x20 /* Archive */ -#define AM_MASK 0x3F /* Mask of defined bits */ - - -/* Fast seek function */ -#define CREATE_LINKMAP 0xFFFFFFFF - - -/* FatFs refers the members in the FAT structures with byte offset instead of -/ structure member because there are incompatibility of the packing option -/ between various compilers. */ - -#define BS_jmpBoot 0 -#define BS_OEMName 3 -#define BPB_BytsPerSec 11 -#define BPB_SecPerClus 13 -#define BPB_RsvdSecCnt 14 -#define BPB_NumFATs 16 -#define BPB_RootEntCnt 17 -#define BPB_TotSec16 19 -#define BPB_Media 21 -#define BPB_FATSz16 22 -#define BPB_SecPerTrk 24 -#define BPB_NumHeads 26 -#define BPB_HiddSec 28 -#define BPB_TotSec32 32 -#define BS_55AA 510 - -#define BS_DrvNum 36 -#define BS_BootSig 38 -#define BS_VolID 39 -#define BS_VolLab 43 -#define BS_FilSysType 54 - -#define BPB_FATSz32 36 -#define BPB_ExtFlags 40 -#define BPB_FSVer 42 -#define BPB_RootClus 44 -#define BPB_FSInfo 48 -#define BPB_BkBootSec 50 -#define BS_DrvNum32 64 -#define BS_BootSig32 66 -#define BS_VolID32 67 -#define BS_VolLab32 71 -#define BS_FilSysType32 82 - -#define FSI_LeadSig 0 -#define FSI_StrucSig 484 -#define FSI_Free_Count 488 -#define FSI_Nxt_Free 492 - -#define MBR_Table 446 - -#define DIR_Name 0 -#define DIR_Attr 11 -#define DIR_NTres 12 -#define DIR_CrtTime 14 -#define DIR_CrtDate 16 -#define DIR_FstClusHI 20 -#define DIR_WrtTime 22 -#define DIR_WrtDate 24 -#define DIR_FstClusLO 26 -#define DIR_FileSize 28 -#define LDIR_Ord 0 -#define LDIR_Attr 11 -#define LDIR_Type 12 -#define LDIR_Chksum 13 -#define LDIR_FstClusLO 26 - - - -/*--------------------------------*/ -/* Multi-byte word access macros */ - -#if _WORD_ACCESS == 1 /* Enable word access to the FAT structure */ -#define LD_WORD(ptr) (WORD)(*(WORD*)(BYTE*)(ptr)) -#define LD_DWORD(ptr) (DWORD)(*(DWORD*)(BYTE*)(ptr)) -#define ST_WORD(ptr,val) *(WORD*)(BYTE*)(ptr)=(WORD)(val) -#define ST_DWORD(ptr,val) *(DWORD*)(BYTE*)(ptr)=(DWORD)(val) -#else /* Use byte-by-byte access to the FAT structure */ -#define LD_WORD(ptr) (WORD)(((WORD)*(BYTE*)((ptr)+1)<<8)|(WORD)*(BYTE*)(ptr)) -#define LD_DWORD(ptr) (DWORD)(((DWORD)*(BYTE*)((ptr)+3)<<24)|((DWORD)*(BYTE*)((ptr)+2)<<16)|((WORD)*(BYTE*)((ptr)+1)<<8)|*(BYTE*)(ptr)) -#define ST_WORD(ptr,val) *(BYTE*)(ptr)=(BYTE)(val); *(BYTE*)((ptr)+1)=(BYTE)((WORD)(val)>>8) -#define ST_DWORD(ptr,val) *(BYTE*)(ptr)=(BYTE)(val); *(BYTE*)((ptr)+1)=(BYTE)((WORD)(val)>>8); *(BYTE*)((ptr)+2)=(BYTE)((DWORD)(val)>>16); *(BYTE*)((ptr)+3)=(BYTE)((DWORD)(val)>>24) -#endif - -#ifdef __cplusplus -} -#endif - -#endif /* _FATFS */ \ No newline at end of file
--- a/SDFileSystem/FATFileSystem/Core/ffconf.h Thu Nov 29 16:35:31 2018 +0000 +++ /dev/null Thu Jan 01 00:00:00 1970 +0000 @@ -1,163 +0,0 @@ -//Modified by Thomas Hamilton, Copyright 2010 - -/*---------------------------------------------------------------------------/ -/ FatFs - FAT file system module configuration file R0.08 (C)ChaN, 2010 / -/----------------------------------------------------------------------------/ -/ -/ CAUTION! Do not forget to make clean the project after any changes to -/ the configuration options. -/ -/---------------------------------------------------------------------------*/ - -#ifndef _FFCONF -#define _FFCONF 8085 /* Revision ID */ - -/*---------------------------------------------------------------------------/ -/ Function and Buffer Configurations / -/---------------------------------------------------------------------------*/ - -#define _FS_TINY 0 /* 0:Normal or 1:Tiny */ -/* When _FS_TINY is set to 1, FatFs uses the sector buffer in the file system -/ object instead of the sector buffer in the individual file object for file -/ data transfer. This reduces memory consumption 512 bytes each file object. */ - -#define _FS_READONLY 0 /* 0:Read/Write or 1:Read only */ -/* Setting _FS_READONLY to 1 defines read only configuration. This removes -/ writing functions, f_write, f_sync, f_unlink, f_mkdir, f_chmod, f_rename, -/ f_truncate and useless f_getfree. */ - -#define _FS_MINIMIZE 0 /* 0, 1, 2 or 3 */ -/* The _FS_MINIMIZE option defines minimization level to remove some functions. -/ -/ 0: Full function. -/ 1: f_stat, f_getfree, f_unlink, f_mkdir, f_chmod, f_truncate and f_rename -/ are removed. -/ 2: f_opendir and f_readdir are removed in addition to level 1. -/ 3: f_lseek is removed in addition to level 2. */ - -#define _USE_STRFUNC 2 /* 0:Disable or 1/2:Enable */ -/* To enable string functions, set _USE_STRFUNC to 1 or 2. */ - -#define _USE_MKFS 1 /* 0:Disable or 1:Enable */ -/* To enable f_mkfs function, set _USE_MKFS to 1 and set _FS_READONLY to 0 */ - -#define _USE_FORWARD 0 /* 0:Disable or 1:Enable */ -/* To enable f_forward function, set _USE_FORWARD to 1 and set _FS_TINY to 1. */ - -#define _USE_FASTSEEK 0 /* 0:Disable or 1:Enable */ -/* To enable fast seek feature, set _USE_FASTSEEK to 1. */ - -/*---------------------------------------------------------------------------/ -/ Locale and Namespace Configurations -/----------------------------------------------------------------------------*/ - -#define _CODE_PAGE 1 -/* The _CODE_PAGE specifies the OEM code page to be used on the target system. -/ Incorrect setting of the code page can cause a file open failure. -/ -/ 932 - Japanese Shift-JIS (DBCS, OEM, Windows) -/ 936 - Simplified Chinese GBK (DBCS, OEM, Windows) -/ 949 - Korean (DBCS, OEM, Windows) -/ 950 - Traditional Chinese Big5 (DBCS, OEM, Windows) -/ 1250 - Central Europe (Windows) -/ 1251 - Cyrillic (Windows) -/ 1252 - Latin 1 (Windows) -/ 1253 - Greek (Windows) -/ 1254 - Turkish (Windows) -/ 1255 - Hebrew (Windows) -/ 1256 - Arabic (Windows) -/ 1257 - Baltic (Windows) -/ 1258 - Vietnam (OEM, Windows) -/ 437 - U.S. (OEM) -/ 720 - Arabic (OEM) -/ 737 - Greek (OEM) -/ 775 - Baltic (OEM) -/ 850 - Multilingual Latin 1 (OEM) -/ 858 - Multilingual Latin 1 + Euro (OEM) -/ 852 - Latin 2 (OEM) -/ 855 - Cyrillic (OEM) -/ 866 - Russian (OEM) -/ 857 - Turkish (OEM) -/ 862 - Hebrew (OEM) -/ 874 - Thai (OEM, Windows) -/ 1 - ASCII only (Valid for non LFN cfg.) */ - -#define _USE_LFN 0 /* 0 to 3 */ -#define _MAX_LFN 255 /* Maximum LFN length to handle (12 to 255) */ -/* The _USE_LFN option switches the LFN support. -/ -/ 0: Disable LFN. _MAX_LFN and _LFN_UNICODE have no effect. -/ 1: Enable LFN with static working buffer on the bss. NOT REENTRANT. -/ 2: Enable LFN with dynamic working buffer on the STACK. -/ 3: Enable LFN with dynamic working buffer on the HEAP. -/ -/ The LFN working buffer occupies (_MAX_LFN + 1) * 2 bytes. When enable LFN, -/ Unicode handling functions ff_convert() and ff_wtoupper() must be added -/ to the project. When enable to use heap, memory control functions -/ ff_memalloc() and ff_memfree() must be added to the project. */ - -#define _LFN_UNICODE 0 /* 0:ANSI/OEM or 1:Unicode */ -/* To switch the character code set on FatFs API to Unicode, -/ enable LFN feature and set _LFN_UNICODE to 1. */ - -#define _FS_RPATH 0 /* 0:Disable or 1:Enable */ -/* When _FS_RPATH is set to 1, relative path feature is enabled and f_chdir, -/ f_chdrive function are available. -/ Note that output of the f_readdir fnction is affected by this option. */ - -/*---------------------------------------------------------------------------/ -/ Physical Drive Configurations -/----------------------------------------------------------------------------*/ - -#define _DRIVES 7 -/* Number of volumes (logical drives) to be used. */ - -#define _MAX_SS 512 /* 512, 1024, 2048 or 4096 */ -/* Maximum sector size to be handled. -/ Always set 512 for memory card and hard disk but a larger value may be -/ required for floppy disk (512/1024) and optical disk (512/2048). -/ When _MAX_SS is larger than 512, GET_SECTOR_SIZE command must be implememted -/ to the disk_ioctl function. */ - -#define _MULTI_PARTITION 0 /* 0:Single parition or 1:Multiple partition */ -/* When _MULTI_PARTITION is set to 0, each volume is bound to the same physical -/ drive number and can mount only first primaly partition. When it is set to 1, -/ each volume is tied to the partitions listed in Drives[]. */ - -/*---------------------------------------------------------------------------/ -/ System Configurations -/----------------------------------------------------------------------------*/ - -#define _WORD_ACCESS 0 /* 0 or 1 */ -/* Set 0 first and it is always compatible with all platforms. The _WORD_ACCESS -/ option defines which access method is used to the word data on the FAT volume. -/ -/ 0: Byte-by-byte access. -/ 1: Word access. Do not choose this unless following condition is met. -/ -/ When the byte order on the memory is big-endian or address miss-aligned word -/ access results incorrect behavior, the _WORD_ACCESS must be set to 0. -/ If it is not the case, the value can also be set to 1 to improve the -/ performance and code size. */ - -#define _FS_REENTRANT 0 /* 0:Disable or 1:Enable */ -#define _FS_TIMEOUT 1024 /* Timeout period in unit of time ticks */ -#define _SYNC_t HANDLE /* O/S dependent type of sync object. - e.g. HANDLE, OS_EVENT*, ID and etc.. */ -/* Include a header file here to define O/S system calls */ -/* #include <windows.h>, <ucos_ii.h.h>, <semphr.h> or ohters. */ - -/* The _FS_REENTRANT option switches the reentrancy of the FatFs module. -/ -/ 0: Disable reentrancy. _SYNC_t and _FS_TIMEOUT have no effect. -/ 1: Enable reentrancy. Also user provided synchronization handlers, -/ ff_req_grant, ff_rel_grant, ff_del_syncobj and ff_cre_syncobj -/ function must be added to the project. */ - -#define _FS_SHARE 0 /* 0:Disable or >=1:Enable */ -/* To enable file sharing feature, set _FS_SHARE to >= 1 and also user - provided memory handlers, ff_memalloc and ff_memfree function must be - added to the project. The value defines number of files can be opened - per volume. */ - -#endif \ No newline at end of file
--- a/SDFileSystem/FATFileSystem/Core/integer.h Thu Nov 29 16:35:31 2018 +0000 +++ /dev/null Thu Jan 01 00:00:00 1970 +0000 @@ -1,35 +0,0 @@ -//Modified by Thomas Hamilton, Copyright 2010 - -/*--------------------------------------------------------------------*/ -/* Integer type definitions for FatFs module R0.08 (C)ChaN, 2010 */ -/*--------------------------------------------------------------------*/ - -#ifndef _INTEGER -#define _INTEGER - -#include "stdint.h" - -/* These types must be 16-bit, 32-bit or larger integer */ -typedef int INT; -typedef unsigned int UINT; - -/* These types must be 8-bit integer */ -typedef char CHAR; -typedef unsigned char UCHAR; -typedef unsigned char BYTE; - -/* These types must be 16-bit integer */ -typedef short SHORT; -typedef unsigned short USHORT; -typedef unsigned short WORD; -typedef unsigned short WCHAR; - -/* These types must be 32-bit integer */ -typedef long LONG; -typedef unsigned long ULONG; -typedef unsigned long DWORD; - -/* Boolean type */ -typedef enum { FALSE = 0, TRUE } BOOL; - -#endif \ No newline at end of file
--- a/SDFileSystem/FATFileSystem/Interface/FATDirHandle.cpp Thu Nov 29 16:35:31 2018 +0000 +++ /dev/null Thu Jan 01 00:00:00 1970 +0000 @@ -1,50 +0,0 @@ -/* mbed Microcontroller Library - FATDirHandle - Copyright (c) 2008, sford */ - -//Modified by Thomas Hamilton, Copyright 2010 - -#include "FATDirHandle.h" - -FATDirHandle::FATDirHandle(FAT_DIR InputDirStr) -{ - DirectoryObject = InputDirStr; -} - -int FATDirHandle::closedir() -{ - delete this; - return 0; -} - -struct dirent* FATDirHandle::readdir() -{ - FILINFO FileInfo; - FRESULT Result = f_readdir(&DirectoryObject, &FileInfo); - if (Result || !FileInfo.fname[0]) - { - return NULL; - } - else - { - for (unsigned char i = 0; i < 13; i++) - { - CurrentEntry.d_name[i] = ((char*)FileInfo.fname)[i]; - } - return &CurrentEntry; - } -} - -void FATDirHandle::rewinddir() -{ - DirectoryObject.index = 0; -} - -off_t FATDirHandle::telldir() -{ - return (off_t)DirectoryObject.index; -} - -void FATDirHandle::seekdir(off_t location) -{ - DirectoryObject.index = (WORD)location; -} \ No newline at end of file
--- a/SDFileSystem/FATFileSystem/Interface/FATDirHandle.h Thu Nov 29 16:35:31 2018 +0000 +++ /dev/null Thu Jan 01 00:00:00 1970 +0000 @@ -1,30 +0,0 @@ -/* mbed Microcontroller Library - FATDirHandle - Copyright (c) 2008, sford */ - -//Modified by Thomas Hamilton, Copyright 2010 - -#ifndef MBED_FATDIRHANDLE_H -#define MBED_FATDIRHANDLE_H - -#include "stdint.h" -#include "ff.h" -#include "mbed.h" -#include "DirHandle.h" -#include <stdio.h> - -class FATDirHandle : public DirHandle -{ - private: - FAT_DIR DirectoryObject; - struct dirent CurrentEntry; - - public: - FATDirHandle(FAT_DIR InputDirStr); - virtual int closedir(); - virtual struct dirent* readdir(); - virtual void rewinddir(); - virtual off_t telldir(); - virtual void seekdir(off_t location); -}; - -#endif \ No newline at end of file
--- a/SDFileSystem/FATFileSystem/Interface/FATFileHandle.cpp Thu Nov 29 16:35:31 2018 +0000 +++ /dev/null Thu Jan 01 00:00:00 1970 +0000 @@ -1,89 +0,0 @@ -/* mbed Microcontroller Library - FATFileHandle - Copyright (c) 2008, sford */ - -//Modified by Thomas Hamilton, Copyright 2010 - -#include "FATFileHandle.h" - -FATFileHandle::FATFileHandle(FAT_FIL InputFilStr) -{ - FileObject = InputFilStr; -} - -ssize_t FATFileHandle::write(const void* buffer, size_t length) -{ - UINT ByteWritten; - if (f_write(&FileObject, buffer, (UINT)length, &ByteWritten)) - { - return -1; - } - else - { - return (ssize_t)ByteWritten; - } -} - -int FATFileHandle::close() -{ - if (f_close(&FileObject)) - { - return -1; - } - else - { - delete this; - return 0; - } -} - -ssize_t FATFileHandle::read(void* buffer, size_t length) -{ - UINT ByteRead; - if (f_read(&FileObject, buffer, (UINT)length, &ByteRead)) - { - return -1; - } - else - { - return (ssize_t)ByteRead; - } -} - -int FATFileHandle::isatty() -{ - return 0; -} - -off_t FATFileHandle::lseek(off_t offset, int whence) -{ - switch (whence) - { - case SEEK_CUR: offset += FileObject.fptr; break; - case SEEK_END: offset += FileObject.fsize; break; - } - if (f_lseek(&FileObject, (DWORD)offset)) - { - return -1; - } - else - { - return (off_t)FileObject.fptr; - } -} - -int FATFileHandle::fsync() -{ - if (f_sync(&FileObject)) - { - return -1; - } - else - { - return 0; - } -} - -off_t FATFileHandle::flen() -{ - return (off_t)FileObject.fsize; -} \ No newline at end of file
--- a/SDFileSystem/FATFileSystem/Interface/FATFileHandle.h Thu Nov 29 16:35:31 2018 +0000 +++ /dev/null Thu Jan 01 00:00:00 1970 +0000 @@ -1,31 +0,0 @@ -/* mbed Microcontroller Library - FATFileHandle - Copyright (c) 2008, sford */ - -//Modified by Thomas Hamilton, Copyright 2010 - -#ifndef MBED_FATFILEHANDLE_H -#define MBED_FATFILEHANDLE_H - -#include "stdint.h" -#include "ff.h" -#include "mbed.h" -#include "FileHandle.h" -#include <stdio.h> - -class FATFileHandle : public FileHandle -{ - private: - FAT_FIL FileObject; - - public: - FATFileHandle(FAT_FIL InputFilStr); - virtual ssize_t write(const void* buffer, size_t length); - virtual int close(); - virtual ssize_t read(void* buffer, size_t length); - virtual int isatty(); - virtual off_t lseek(off_t offset, int whence); - virtual int fsync(); - virtual off_t flen(); -}; - -#endif \ No newline at end of file
--- a/SDFileSystem/FATFileSystem/Interface/FATFileSystem.cpp Thu Nov 29 16:35:31 2018 +0000 +++ /dev/null Thu Jan 01 00:00:00 1970 +0000 @@ -1,155 +0,0 @@ -/* mbed Microcontroller Library - FATFileSystem - Copyright (c) 2008, sford */ - -//Modified by Thomas Hamilton, Copyright 2010 - -#include "FATFileSystem.h" - -DWORD get_fattime(void) -{ - return 35719201; -} - -FATFileSystem* FATFileSystem::DriveArray[_DRIVES] = {0}; - -FATFileSystem::FATFileSystem(const char* SystemName) : FileSystemLike(SystemName) -{ - for (unsigned char i = 0; i < _DRIVES; i++) - { - if(!DriveArray[i]) - { - DriveArray[i] = this; - Drive = i; - f_mount((BYTE)i, &FileSystemObject); - return; - } - } -} - -FATFileSystem::~FATFileSystem() -{ - for (unsigned char i = 0; i < _DRIVES; i++) - { - if (DriveArray[i] == this) - { - DriveArray[i] = NULL; - f_mount((BYTE)i, NULL); - } - } - delete this; -} - -FileHandle* FATFileSystem::open(const char* filename, int flags) -{ - FAT_FIL FileObject; - char FileName[64]; - BYTE ModeFlags = 0; - - sprintf(FileName, "%d:/%s", Drive, filename); - switch (flags & 3) - { - case O_RDONLY: ModeFlags = FA_READ; break; - case O_WRONLY: ModeFlags = FA_WRITE; break; - case O_RDWR: ModeFlags = FA_READ | FA_WRITE; break; - } - if(flags & O_CREAT) - { - if(flags & O_TRUNC) - { - ModeFlags |= FA_CREATE_ALWAYS; - } - else - { - ModeFlags |= FA_OPEN_ALWAYS; - } - } - else - { - ModeFlags |= FA_OPEN_EXISTING; - } - if (f_open(&FileObject, (const TCHAR*)FileName, ModeFlags)) - { - return NULL; - } - else - { - if (flags & O_APPEND) - { - f_lseek(&FileObject, (DWORD)FileObject.fsize); - } - return new FATFileHandle(FileObject); - } -} - -int FATFileSystem::remove(const char* filename) -{ - char FileName[64]; - - sprintf(FileName, "%d:/%s", Drive, filename); - if (f_unlink((const TCHAR*)FileName)) - { - return -1; - } - else - { - return 0; - } -} - -int FATFileSystem::rename(const char* oldname, const char* newname) -{ - char OldName[64]; - - sprintf(OldName, "%d:/%s", Drive, oldname); - if (f_rename((const TCHAR*)OldName, (const TCHAR*)newname)) - { - return -1; - } - else - { - return 0; - } -} - -DirHandle* FATFileSystem::opendir(const char* name) -{ - FAT_DIR DirectoryObject; - char DirectoryName[64]; - - sprintf(DirectoryName, "%d:%s", Drive, name); - if (f_opendir(&DirectoryObject, (const TCHAR*)DirectoryName)) - { - return NULL; - } - else - { - return new FATDirHandle(DirectoryObject); - } -} - -int FATFileSystem::mkdir(const char* name, mode_t mode) -{ - char DirectoryName[64]; - - sprintf(DirectoryName, "%d:%s", Drive, name); - if (f_mkdir((const TCHAR*)DirectoryName)) - { - return -1; - } - else - { - return 0; - } -} - -int FATFileSystem::format(unsigned int allocationunit) -{ - if (f_mkfs(Drive, 0, allocationunit)) - { - return -1; - } - else - { - return 0; - } -} \ No newline at end of file
--- a/SDFileSystem/FATFileSystem/Interface/FATFileSystem.h Thu Nov 29 16:35:31 2018 +0000 +++ /dev/null Thu Jan 01 00:00:00 1970 +0000 @@ -1,49 +0,0 @@ -/* mbed Microcontroller Library - FATFileSystem - Copyright (c) 2008, sford */ - -//Modified by Thomas Hamilton, Copyright 2010 - -#ifndef MBED_FATFILESYSTEM_H -#define MBED_FATFILESYSTEM_H - -#include "stdint.h" -#include "ff.h" -#include "mbed.h" -#include "FileSystemLike.h" -#include "FATFileHandle.h" -#include "FATDirHandle.h" -#include <stdio.h> - -class FATFileSystem : public FileSystemLike -{ - private: - FATFS FileSystemObject; - unsigned char Drive; - - public: - static FATFileSystem* DriveArray[_DRIVES]; - - FATFileSystem(const char* SystemName); - virtual ~FATFileSystem(); - - int format(unsigned int allocationunit); - - virtual FileHandle* open(const char* filename, int flags); - virtual int remove(const char* filename); - virtual int rename(const char* oldname, const char* newname); - virtual DirHandle* opendir(const char* name); - virtual int mkdir(const char* name, mode_t mode); - - virtual int disk_initialize() { return 0x00; } - virtual int disk_status() { return 0x00; } - virtual int disk_read(unsigned char* buff, - unsigned long sector, unsigned char count) = 0; - virtual int disk_write(const unsigned char* buff, - unsigned long sector, unsigned char count) = 0; - virtual int disk_sync() { return 0x00; } - virtual unsigned long disk_sector_count() = 0; - virtual unsigned short disk_sector_size() { return 512; } - virtual unsigned long disk_block_size() { return 1; } -}; - -#endif \ No newline at end of file
--- a/Sensors/Sensors.cpp Thu Nov 29 16:35:31 2018 +0000 +++ b/Sensors/Sensors.cpp Thu Nov 29 16:50:46 2018 +0000 @@ -28,48 +28,68 @@ */ +#include <stdio.h> +#include "globals.h" +#include "Config.h" +#include "devices.h" #include "Sensors.h" +#include "util.h" #include "debug.h" -#include "stdio.h" - -#define GYRO_SCALE 14.49787 // TODO: is the sign right here?? yes, see g_sign #define VFF 50.0 // voltage filter factor ///////////////////// MAGNETOMETER CALIBRATION Sensors::Sensors(): - gps(p26, p25), + gTemp(0), + leftRanger(0), + rightRanger(0), + centerRanger(0), + voltage(0), + current(0), + leftTotal(0), + rightTotal(0), + leftCount(0), + rightCount(0), + lrEncDistance(0.0), + rrEncDistance(0.0), + lrEncSpeed(0.0), + rrEncSpeed(0.0), + encDistance(0.0), + encSpeed(0.0), + gps(GPSTX, GPSRX), _voltage(p19), // Voltage from sensor board _current(p20), // Current from sensor board - _left(p30), // left wheel encoder - _right(p29), // Right wheel encoder - _gyro(p28, p27), // MinIMU-9 gyro - _compass(p28, p27), // MinIMU-9 compass/accelerometer - _rangers(p28, p27), // Arduino ADC to I2C - _cam(p28, p27) + _left(ENCALEFT), // left wheel encoder + _right(ENCARIGHT), // Right wheel encoder + _gyro(I2CSDA, I2CSCL), // MinIMU-9 gyro + _compass(I2CSDA, I2CSCL), // MinIMU-9 compass/accelerometer + _rangers(I2CSDA, I2CSCL), // Arduino ADC to I2C + _cam(I2CSDA, I2CSCL) +, _tireCirc(0) +, _encStripes(0) { for (int i=0; i < 3; i++) { m_offset[i] = 0; m_scale[i] = 1; } - // TODO: parameterize - g_scale[0] = 1; - g_scale[1] = 1; - g_scale[2] = GYRO_SCALE; + // TODO 2 parameterize scale and sign for mag, accel, gyro + g_scale[_x_] = 1; + g_scale[_y_] = 1; + g_scale[_z_] = 1; - g_sign[0] = 1; - g_sign[1] = -1; - g_sign[2] = -1; + g_sign[_x_] = 1; + g_sign[_y_] = -1; + g_sign[_z_] = -1; - a_sign[0] = -1; - a_sign[1] = 1; - a_sign[2] = 1; + a_sign[_x_] = -1; + a_sign[_y_] = 1; + a_sign[_z_] = 1; - m_sign[0] = 1; - m_sign[1] = -1; - m_sign[2] = -1; + m_sign[_x_] = 1; + m_sign[_y_] = -1; + m_sign[_z_] = -1; // upside down mounting //g_sign[3] = {1,1,1}; @@ -77,6 +97,11 @@ //m_sign[3] = {1,1,1}; } +void Sensors::setGyroScale(float scale) { + g_scale[_z_] = scale; +} + + /* Compass_Calibrate * * Set the offset and scale calibration for the compass @@ -91,6 +116,12 @@ return; } +void Sensors::configureEncoders(float tireCirc, int encStripes) +{ + _tireCirc = tireCirc; + _encStripes = encStripes; +} + void Sensors::Read_Encoders() { @@ -99,17 +130,16 @@ rightCount = _right.read(); leftTotal += leftCount; rightTotal += rightCount; - - // TODO--> sanity check on encoders; if difference between them - // is huge, what do we do? Slipping wheel? Skidding wheel? + + float ticksPerDist = _tireCirc / _encStripes; + + // TODO 3 sanity check on encoders; if difference between them + // is huge, what do we do? Slipping wheel? Skidding wheel? Broken encoder? // front encoders would be ideal as additional sanity check - // TODO: move this into scheduler?? - - // TODO: how do we track distance, should we only check distance everytime we do a nav/pos update? - // TODO: get rid of state variable - lrEncDistance = (WHEEL_CIRC / WHEEL_STRIPES) * (double) leftCount; - rrEncDistance = (WHEEL_CIRC / WHEEL_STRIPES) * (double) rightCount; + // TODO 3 get rid of state variable + lrEncDistance = ticksPerDist * (double) leftCount; + rrEncDistance = ticksPerDist * (double) rightCount; //encDistance = (lrEncDistance + rrEncDistance) / 2.0; // compute speed from time between ticks int leftTime = _left.readTime(); @@ -123,13 +153,13 @@ if (leftTime <= 0) { lrEncSpeed = 0; } else { - lrEncSpeed = (2.0 * WHEEL_CIRC / WHEEL_STRIPES) / ((float) leftTime * 1e-6); + lrEncSpeed = (2.0 * ticksPerDist) / ((float) leftTime * 1e-6); } if (rightTime <= 0) { rrEncSpeed = 0; } else { - rrEncSpeed = (2.0 * WHEEL_CIRC / WHEEL_STRIPES) / ((float) rightTime * 1e-6); + rrEncSpeed = (2.0 * ticksPerDist) / ((float) rightTime * 1e-6); } // Dead band @@ -168,8 +198,7 @@ void Sensors::Read_Compass() { _compass.readMag(m); - // TODO: parameterize sign - // adjust for compass axis offsets and scale + // adjust for compass axis offsets, scale, and orientation (sign) for (int i=0; i < 3; i++) { mag[i] = ((float) m[i] - m_offset[i]) * m_scale[i] * m_sign[i]; } @@ -193,7 +222,7 @@ for(int i=0; i < samples; i++) { // We take some readings... Read_Gyro(); Read_Accel(); - wait(0.010); // sample at 100hz + wait(0.010); // sample at ~100hz for(int y=0; y < 3; y++) { // accumulate values g_offset[y] += g[y]; a_offset[y] += a[y]; @@ -205,7 +234,7 @@ a_offset[y] /= samples; } - //TODO: if we ever get back to using accelerometer, do something about this. + //TODO 4 if we ever get back to using accelerometer, do something about this. //a_offset[_z_] -= GRAVITY * a_sign[_z_]; // I don't get why we're doing this...? } @@ -254,7 +283,7 @@ static float filter = -1.0; float v = _voltage * 3.3 * 4.12712; // 242.3mV/V - // TODO: median filter to eliminate spikes + // TODO 3 median filter to eliminate spikes if (filter < 0) { filter = v * VFF; } else { @@ -286,7 +315,7 @@ void Sensors::Read_Power() { - // TODO: exponential or median filtering on these to get rid of spikes + // TODO 3 exponential or median filtering on these to get rid of spikes // voltage = getVoltage(); current = getCurrent();
--- a/Sensors/Sensors.h Thu Nov 29 16:35:31 2018 +0000 +++ b/Sensors/Sensors.h Thu Nov 29 16:50:46 2018 +0000 @@ -32,12 +32,9 @@ /** Sensor interface library abstracts sensor drivers, next step to a pluggable architecture */ -#include "Sirf3.h" #include "Ublox6.h" -#include "Venus638flpx.h" #include "L3G4200D.h" #include "LSM303DLM.h" -//#include "HMC5843.h" #include "IncrementalEncoder.h" #include "Matrix.h" @@ -64,16 +61,12 @@ //#define M_Z_MIN -573 //#define M_Z_MAX 464 -// Chassis specific parameters -#define WHEEL_STRIPES 32 -#define WHEEL_CIRC 0.321537 // m; calibrated with 4 12.236m runs. Wheel circumference measured 13.125" or 0.333375m -#define WHEELBASE 0.290 -#define TRACK 0.280 - class Sensors { public: Sensors(void); void Compass_Calibrate(float offset[3], float scale[3]); + void configureEncoders(float tireCirc, int encStripes); + void setGyroScale(float scale); void Read_Encoders(void); void Read_Gyro(void); void Read_Accel(void); @@ -117,7 +110,6 @@ float rrEncSpeed; // right rear encoder speed float encDistance; // encoder distance since last check float encSpeed; // encoder calculated speed - //Sirf3 gps; // Pharos SiRF III GPS //Venus638flpx gps; // Venus GPS Ublox6 gps; // Ublox6 GPS @@ -133,6 +125,8 @@ private: void BubbleSort(float *num, int numLength); + float _tireCirc; // tire circumference + int _encStripes; // encoder ticks per revolution }; -#endif \ No newline at end of file +#endif
--- a/UI/Buttons/Buttons.cpp Thu Nov 29 16:35:31 2018 +0000 +++ b/UI/Buttons/Buttons.cpp Thu Nov 29 16:50:46 2018 +0000 @@ -1,8 +1,9 @@ +#include "devices.h" #include "Buttons.h" #include "PinDetect.h" PinDetect nextButton(BUTTONNEXT); -PinDetect selectButton(BUTTONSELECT); +PinDetect selectButton(BUTTONSELECT); // Input selectButton PinDetect prevButton(BUTTONPREV); Buttons::Buttons(void): which(0), pressed(false)
--- a/UI/shell.cpp Thu Nov 29 16:35:31 2018 +0000 +++ b/UI/shell.cpp Thu Nov 29 16:50:46 2018 +0000 @@ -1,149 +1,177 @@ #include <stdio.h> +#include <string.h> #include "mbed.h" -#include "stdint.h" +#include "globals.h" +#include "updater.h" +#include "print.h" #include "DirHandle.h" -#include "SDHCFileSystem.h" +#include "SDFileSystem.h" #include "util.h" #include "Buttons.h" -extern SDFileSystem sd; -extern Serial pc; -extern Buttons keypad; +#define MAXBUF 128 +#define MAXCMDARR 21 + +char cwd[MAXBUF]; +char buf[MAXBUF]; +char path[MAXBUF]; +int status; +bool debug=false; +bool done=false; -char cwd[64]; -char buf[128]; -bool debug=false; +typedef struct { + const char *cmd; + int (*f)(char *arg0); + const char *desc; +} cmd; -void shell(void); +extern int autonomousMode(); +extern int resetMe(); +extern int gyroSwing(); + +extern "C" { + +void shell(void *args); +void docmd(char *cmdline); void termInput(char *cmd); void resolveDirectory(char *newpath, char *path); -void splitName(char *path, char *dirname, char *basename); -void ls(char *path); -void cd(char *path); -void pwd(void); -void touch(char *path); -void head(char *path); -void cat(char *path); -void send(char *path); +void splitName(const char *path, char *dirname, char *basename); +int dols(char *arg); +int docd(char *path); +int dopwd(char *s); +int dotouch(char *path); +int dorm(char *path); +int domkdir(char *path); +int dohead(char *path); +int docat(char *path); +int dosend(char *path); +int doprintfree(char *path); +int doexit(char *s); +int dodebug(char *s); +int dohelp(char *s); +int dogyroswing(char *s); +int doreset(char *s); +int doautonomous(char *s); +int dospeed(char *arg); +int dosteer(char *arg); +int dotimes(char *arg); -void shell() { - FILE *fp; - char newpath[64], *arg, cmd[64], cmdline[64]; - bool done=false; +// TODO 3 multiple arguments - //Logger.SelectCRCMode(1); - - //pc.printf("Formatting...\n"); - //int i = Logger.format(32); - //pc.printf("format result: %d\n", i); +const cmd command[MAXCMDARR] = { + { "help", dohelp, "print this help" }, + { "ls", dols, "list files" }, + { "cd", docd, "change directory" }, + { "pwd", dopwd, "print working directory" }, + { "touch", dotouch, "create, update file" }, + { "mkdir", domkdir, "make directory" }, + { "head", dohead, "output first part of file" }, + { "cat", docat, "output file" }, + { "send", dosend, "send file to terminal" }, + { "rm", dorm, "remove file" }, + { "debug", dodebug, "toggle debug mode" }, + { "gyro", dogyroswing, "gyro swing" }, + { "auto", doautonomous, "run autonomous mode" }, + { "reset", doreset, "reset the MCU" }, + { "free", doprintfree, "heap bytes available" }, + { "speed", dospeed, "set speed servo output" }, + { "steer", dosteer, "set steering servo output" }, + { "time", dotimes, "display update timing stats" }, +// { "exit", doexit, "exit shell" }, + { 0, 0, 0 } +}; - if ((fp = fopen("/log/message.txt", "w")) != NULL) { - for (int i=0; i < 20; i++) - fprintf(fp, "Hello, World!\n"); - fclose(fp); - //pc.printf("created!\n"); - } else { - pc.printf("Error creating file\n"); - } - pc.printf("\n"); - +void shell(void *args) { + char cmdline[MAXBUF]; + + pc.baud(115200); + strcpy(cwd, "/log"); + fputs("Type help for assistance.\n", stdout); + + status=0; + done=false; while (!done) { termInput(cmdline); - arg = split(cmd, cmdline, 64, ' '); - resolveDirectory(newpath, arg); - + + // interrupt operation if keypad button is pressed if (keypad.pressed) { keypad.pressed = false; break; } - - if (debug) pc.printf("cmdline:<%s> cmd:<%s> arg:<%s> newpath:<%s>\n", cmdline, cmd, arg, newpath); - - if (!strcmp(cmd, "ls")) { - ls(newpath); - } else if (!strcmp(cmd, "cd")) { - cd(newpath); - } else if (!strcmp(cmd, "pwd")) { - pwd(); - } else if (!strcmp(cmd, "head")) { - head(newpath); - } else if (!strcmp(cmd, "cat")) { - cat(newpath); - } else if (!strcmp(cmd, "send")) { - send(newpath); - } else if (!strcmp(cmd, "mkdir")) { - mkdir(newpath, 1023); - } else if (!strcmp(cmd, "debug")) { - debug = !debug; - } else if (!strcmp(cmd, "touch")) { - touch(newpath); - } else if (!strcmp(cmd, "rm")) { - remove(newpath); - } else if (!strcmp(cmd, "exit")) { - done = true; - } else if (cmd[0] == '\0') { - // ignore - } else { - pc.printf("%s: command not found\n", cmd); + + docmd(cmdline); + } + fputs("exiting shell\n", stdout); + + return; +} + + +/** docmd + * Run a command by looking it up the command requested on the shell command line in the + * command array. If it's found, run the associated function. If not, print an error. + */ +void docmd(char *cmdline) { + char *arg; + char cmd[MAXBUF]; + bool found = false; + + arg = split(cmd, cmdline, MAXBUF, ' '); + if (strlen(cmd) > 0) { + //if (debug) fprintf(stdout, "cmdline:<%s> cmd:<%s> arg:<%s>\n", cmdline, cmd, arg); + + for (int i=0; command[i].cmd; i++) { + if (!strcmp(cmd, command[i].cmd)) { + found = true; + command[i].f(arg); + } + } + + if (!found) { + fputs(cmd, stdout); + fputs(": command not found\n", stdout); } } -/* - pc.printf("Printing splitName()\n"); - splitName("/SDCard/testdir", dirname, basename); - pc.printf("%s %s\n", dirname, basename); - - pc.printf("Printing resolveDirectory()\n"); - resolveDirectory(newpath, "test"); - pc.printf("%s\n", newpath); -*/ - -// remove("/SDCard/testdir/TEST.txt"); - - /* - int test = rename("/SDCard/message.txt", "/SDCard/message2.txt"); - fp = fopen("/SDCard/message.txt", "a"); - fprintf(fp, " Result = %d", test); - fclose(fp); - */ - - pc.printf ("exiting shell\n"); - return; } /** termInput - * + * read input from the terminal */ void termInput(char *cmd) { int i=0; char c; bool done = false; - memset(cmd, 0, 64); - - pc.printf("# ", cwd); + memset(cmd, 0, MAXBUF); + fputc('(', stdout); + fputs(cwd, stdout); + fputs(")# ", stdout); do { cmd[i] = 0; - c = pc.getc(); + c = fgetc(stdin); if (c == '\r') { // if return is hit, we're done, don't add \r to cmd done = true; - } else if (i < 64-1) { + } else if (i < MAXBUF-1) { if (c == 0x7f || c == '\b') { // backspace or delete if (i > 0) { // if we're at the beginning, do nothing i--; - pc.printf("\b \b"); + fputs("\b \b", stdout); + } } else { - pc.printf("%c", c); + fputc(c, stdout); cmd[i++] = c; } } } while (!done); - pc.printf("\n"); + fputc('\n', stdout); + + } /** resolveDirectory @@ -172,10 +200,12 @@ } } -// copy t to s until space is reached -// return location of delimiter+1 in t -// if space not found, return t pointing to end of string -// if s or t null, return null +/** splitCmd + * copy t to s until space is reached + * return location of delimiter+1 in t + * if space not found, return t pointing to end of string + * if s or t null, return null + */ char *splitCmd(char *s, char *t, int max) { int i = 0; @@ -192,121 +222,168 @@ } } *s = 0; - + return t; } /** splitName * split the path into a dirname and a */ -void splitName(char *path, char *dirname, char *basename) { +void splitName(const char *path, char *dirname, char *basename) { int sep; sep = 0; - if (debug) pc.printf("%d\n", strlen(path)); + //if (debug) fprintf(stdout, "%d\n", strlen(path)); for (int i=strlen(path)-1; i >= 0; i--) { - if (debug) pc.printf("- %c\n", path[i]); + //if (debug) fprintf(stdout, "- %c\n", path[i]); sep = i; if (path[i] == '/') break; } for (int j=0; j < sep; j++) { - if (debug) pc.printf("> %c\n", path[j]); + //if (debug) fprintf(stdout, "> %c\n", path[j]); dirname[j] = path[j]; dirname[j+1] = 0; } - for (int k=sep+1; k < strlen(path); k++) { - if (debug) pc.printf("* %c\n", path[k]); + for (unsigned int k=sep+1; k != strlen(path); k++) { + //if (debug) fprintf(stdout, "* %c\n", path[k]); basename[k-(sep+1)] = path[k]; basename[k-sep] = 0; } - if (debug) pc.printf("d:<%s> b:<%s>\n", dirname, basename); + //if (debug) fprintf(stdout, "d:<%s> b:<%s>\n", dirname, basename); + + } /** ls * lists files in the current working directory, 4 columns */ -void ls(char *path) { - if (debug) pc.printf("%s\n", cwd); +int dols(char *arg) { + //if (debug) fprintf(stdout, "%s\n", cwd); DIR *d; struct dirent *p; - + + resolveDirectory(path, arg); + int count=0; if ((d = opendir(path)) != NULL) { while ((p = readdir(d)) != NULL) { - pc.printf("%12s", p->d_name); + int pad = 20 - strlen(p->d_name); + while (pad-- > 0) fputc(' ', stdout); + fputs(p->d_name, stdout); if (count++ >= 3) { count = 0; - pc.printf("\n"); + fputc('\n', stdout); } } - pc.printf("\n"); + fputc('\n', stdout); if (count < 3) - pc.printf("\n"); + fputc('\n', stdout); closedir(d); + status = 0; } else { - pc.printf("%s: No such directory\n", path); + fputs(path, stdout); + fputs(": No such directory\n", stdout); + status = 1; } + + return status; } /** cd * changes current working directory */ -void cd(char *path) { +int docd(char *arg) { + + resolveDirectory(path, arg); strcpy(cwd, path); + + return 0; } /** pwd * print current working directory */ -void pwd() { - pc.printf("%s\n", cwd); +int dopwd(char *arg) { + fputs(cwd, stdout); + fputc('\n', stdout); + //fprintf(stdout, "%s\n", cwd); + + return 0; } /** touch * create an empty file */ -void touch(char *path) { +int dotouch(char *arg) { FILE *fp; + + resolveDirectory(path, arg); if ((fp = fopen(path, "w")) != NULL) { fclose(fp); + status = 0; } else { - pc.printf("%s: No such file\n", path); + fputs(path, stdout); + fputs(": No such file\n", stdout); + status = 1; } + + return status; } +int dorm(char *arg) { + resolveDirectory(path, arg); + return remove(path); +} + +int domkdir(char *arg) { + resolveDirectory(path, arg); + return mkdir(path, S_IRWXU|S_IRWXG|S_IRWXO); +} + /** head * print the first 10 lines of a file */ -void head(char *path) { +int dohead(char *arg) { FILE *fp; char line = 0; - + + resolveDirectory(path, arg); if ((fp = fopen(path, "r")) != NULL) { while (!feof(fp) && line++ < 10) { fgets(buf, 128, fp); - pc.printf("%s", buf); + fputs(buf, stdout); } fclose(fp); + status = 0; } else { - pc.printf("%s: No such file\n", path); + fputs(path, stdout); + fputs(": No such file\n", stdout); + status = 1; } + + return status; } /** cat * display the content of a file */ -void cat(char *path) { +int docat(char *arg) { FILE *fp; + resolveDirectory(path, arg); if ((fp = fopen(path, "r")) != NULL) { - while (!feof(fp)) { - if (fgets(buf, 127, fp) != NULL) - pc.printf("%s", buf); + while (fgets(buf, 127, fp)) { + fputs(buf, stdout); } fclose(fp); + status = 0; } else { - pc.printf("%s: No such file\n", path); + fputs(path, stdout); + fputs(": No such file\n", stdout); + status = 1; } + + return status; } /** send @@ -314,20 +391,136 @@ * Initiates escape sequence: ^A^B, sends filename, ^C, and then file * contents followed by ^D */ -void send(char *path) { +int dosend(char *arg) { FILE *fp; char dirname[32], basename[16]; + resolveDirectory(path, arg); if ((fp = fopen(path, "r")) != NULL) { splitName(path, dirname, basename); - pc.printf("%c%c%s%c", 1, 2, basename, 3); + fputc(0x01, stdout); + fputc(0x02, stdout); + fputs(basename, stdout); + fputc(0x03, stdout); while (!feof(fp)) { if (fgets(buf, 127, fp) != NULL) - pc.printf("%s", buf); + fputs(buf, stdout); } fclose(fp); - pc.printf("%c", 4); + fputc(0x04, stdout); + status = 0; } else { - pc.printf("%s: No such file\n", path); + fputs(path, stdout); + fputs(": No such file\n", stdout); + status = 1; + } + + return status; +} + +int doprintfree(char *arg) { + //printInt(stdout, xPortGetFreeHeapSize()); + fputs(" bytes free.\n", stdout); + + return 0; +} + +/** doexit + * set a flag to exit the shell + */ +int doexit(char *arg) { + done = true; + + return 0; +} + +/** dodebug + * toggle the debug state variable + */ +int dodebug(char *arg) { + debug = !debug; + + return 0; +} + +/** dohelp + * print the list of commands and descriptions + */ +int dohelp(char *arg) { + for (int i=0; command[i].cmd; i++) { + int pad = 10 - strlen(command[i].cmd); + while (pad--) fputc(' ', stdout); + fputs(command[i].cmd, stdout); + fputs(": ", stdout); + fputs(command[i].desc, stdout); + fputc('\n', stdout); } + + return 0; } + +/** dogyroswing + * perform gyro swing, call external function + */ +int dogyroswing(char *arg) { + gyroSwing(); + + return 0; +} + +/** doreset + * reset the processor + */ +int doreset(char *arg) { + resetMe(); + return 0; // won't ever reach this line... +} + +/** doautonomous + * call external doAutonomous mode to perform an autonomous run + */ +int doautonomous(char *arg) { + autonomousMode(); + + return 0; +} + + +int dospeed(char *arg) { + // TODO 3 dospeed() +// int v = atoi(arg); +// if (config.escMin < v && v < config.escMax { +// fputs("speed=", stdout); +// setThrottle(v); +// printFloat(stdout, getThrottle(), 4); +// fputc('\n', stdout); +// } + return 0; +} + +int dosteer(char *arg) { + float v = cvstof(arg); + fputs("angle=", stdout); + printFloat(stdout, v, 4); + fputs(" servo=", stdout); + setSteering(v); + // TODO 4 printFloat(stdout, getSteering(), 4); + fputc('\n', stdout); + return 0; +} + +int dotimes(char *arg) { + int i; + for (i = 1; i < 8; i++) { + printInt(stdout, i); + fputc(':', stdout); + // TODO 4 printInt(stdout, getUpdateTime(i)-getUpdateTime(i-1)); + fputc('\n', stdout); + } + fputs("total:", stdout); + // TODO 4 printInt(stdout, getUpdateTime(7)-getUpdateTime(0)); + fputc('\n', stdout); + return 0; +} + +} // extern C
--- a/UI/shell.h Thu Nov 29 16:35:31 2018 +0000 +++ b/UI/shell.h Thu Nov 29 16:50:46 2018 +0000 @@ -1,6 +1,6 @@ #ifndef __SHELL_H #define __SHELL_H -void shell(void); +extern "C" void shell(void *args); -#endif \ No newline at end of file +#endif
--- a/mbed.bld Thu Nov 29 16:35:31 2018 +0000 +++ b/mbed.bld Thu Nov 29 16:50:46 2018 +0000 @@ -1,1 +1,1 @@ -http://mbed.org/users/mbed_official/code/mbed/builds/b3110cd2dd17 \ No newline at end of file +https://os.mbed.com/users/mbed_official/code/mbed/builds/3a7713b1edbc \ No newline at end of file