ISP example program.
Dependencies: SLCD mbed USBLocalFileSystem
FRDM-KL46Z | LPC810 | |
---|---|---|
UART RXD | PTE23 | p2(P0_4) |
UART TXD | PTE22 | p8(P0_0) |
nRESET | D6 | p1(P0_5) |
nISP | D8 | p5(P0_1) |
GND | GND | p7 |
3.3V | P3V3 | p6 |
Copy binary image to the disk called LPC81ISP.
Push sw1 or sw3, start write to LPC810 flash.
Revision 0:ad2b1fc04955, committed 2014-02-15
- Comitter:
- va009039
- Date:
- Sat Feb 15 10:15:42 2014 +0000
- Child:
- 1:cccfc461c61f
- Commit message:
- first commit
Changed in this revision
--- /dev/null Thu Jan 01 00:00:00 1970 +0000 +++ b/SLCD.lib Sat Feb 15 10:15:42 2014 +0000 @@ -0,0 +1,1 @@ +https://mbed.org/users/Sissors/code/SLCD/#f70873bc6121
--- /dev/null Thu Jan 01 00:00:00 1970 +0000 +++ b/USBDevice.lib Sat Feb 15 10:15:42 2014 +0000 @@ -0,0 +1,1 @@ +http://mbed.org/users/va009039/code/USBDevice/#1ad500eb1e69
--- /dev/null Thu Jan 01 00:00:00 1970 +0000 +++ b/fat/ChaN/diskio.cpp Sat Feb 15 10:15:42 2014 +0000 @@ -0,0 +1,104 @@ +/*-----------------------------------------------------------------------*/ +/* 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. */ +/*-----------------------------------------------------------------------*/ +#include "ffconf.h" +#include "diskio.h" + +#include "mbed_debug.h" +#include "FATFileSystem.h" + +using namespace mbed; + +DSTATUS disk_initialize ( + BYTE drv /* Physical drive nmuber (0..) */ +) +{ + debug_if(FFS_DBG, "disk_initialize on drv [%d]\n", drv); + return (DSTATUS)FATFileSystem::_ffs[drv]->disk_initialize(); +} + +DSTATUS disk_status ( + BYTE drv /* Physical drive nmuber (0..) */ +) +{ + debug_if(FFS_DBG, "disk_status on drv [%d]\n", drv); + return (DSTATUS)FATFileSystem::_ffs[drv]->disk_status(); +} + +DRESULT disk_read ( + BYTE drv, /* Physical drive nmuber (0..) */ + BYTE *buff, /* Data buffer to store read data */ + DWORD sector, /* Sector address (LBA) */ + BYTE count /* Number of sectors to read (1..255) */ +) +{ + debug_if(FFS_DBG, "disk_read(sector %d, count %d) on drv [%d]\n", sector, count, drv); + for(DWORD s=sector; s<sector+count; s++) { + debug_if(FFS_DBG, " disk_read(sector %d)\n", s); + int res = FATFileSystem::_ffs[drv]->disk_read((uint8_t*)buff, s); + if(res) { + return RES_PARERR; + } + buff += 512; + } + return RES_OK; +} + +#if _READONLY == 0 +DRESULT disk_write ( + BYTE drv, /* Physical drive nmuber (0..) */ + const BYTE *buff, /* Data to be written */ + DWORD sector, /* Sector address (LBA) */ + BYTE count /* Number of sectors to write (1..255) */ +) +{ + debug_if(FFS_DBG, "disk_write(sector %d, count %d) on drv [%d]\n", sector, count, drv); + for(DWORD s = sector; s < sector + count; s++) { + debug_if(FFS_DBG, " disk_write(sector %d)\n", s); + int res = FATFileSystem::_ffs[drv]->disk_write((uint8_t*)buff, s); + if(res) { + return RES_PARERR; + } + buff += 512; + } + return RES_OK; +} +#endif /* _READONLY */ + +DRESULT disk_ioctl ( + BYTE drv, /* Physical drive nmuber (0..) */ + BYTE ctrl, /* Control code */ + void *buff /* Buffer to send/receive control data */ +) +{ + debug_if(FFS_DBG, "disk_ioctl(%d)\n", ctrl); + switch(ctrl) { + case CTRL_SYNC: + if(FATFileSystem::_ffs[drv] == NULL) { + return RES_NOTRDY; + } else if(FATFileSystem::_ffs[drv]->disk_sync()) { + return RES_ERROR; + } + return RES_OK; + case GET_SECTOR_COUNT: + if(FATFileSystem::_ffs[drv] == NULL) { + return RES_NOTRDY; + } else { + DWORD res = FATFileSystem::_ffs[drv]->disk_sectors(); + if(res > 0) { + *((DWORD*)buff) = res; // minimum allowed + return RES_OK; + } else { + return RES_ERROR; + } + } + case GET_BLOCK_SIZE: + *((DWORD*)buff) = 1; // default when not known + return RES_OK; + + } + return RES_PARERR; +}
--- /dev/null Thu Jan 01 00:00:00 1970 +0000 +++ b/fat/ChaN/diskio.h Sat Feb 15 10:15:42 2014 +0000 @@ -0,0 +1,76 @@ +//----------------------------------------------------------------------- +// Low level disk interface modlue include file +//----------------------------------------------------------------------- + +#ifndef _DISKIO + +#define _READONLY 0 // 1: Remove write functions +#define _USE_IOCTL 1 // 1: Use disk_ioctl fucntion + +#include "integer.h" + + +// Status of Disk Functions +typedef BYTE DSTATUS; + +// 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 + +int assign_drives (int, int); +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*); + + + +// Disk Status Bits (DSTATUS) +#define STA_NOINIT 0x01 // Drive not initialized +#define STA_NODISK 0x02 // No medium in the drive +#define STA_PROTECT 0x04 // Write protected + + +// Command code for disk_ioctrl fucntion + +// Generic command (defined for FatFs) +#define CTRL_SYNC 0 // Flush disk cache (for write functions) +#define GET_SECTOR_COUNT 1 // Get media size (for only f_mkfs()) +#define GET_SECTOR_SIZE 2 // Get sector size (for multiple sector size (_MAX_SS >= 1024)) +#define GET_BLOCK_SIZE 3 // Get erase block size (for only f_mkfs()) +#define CTRL_ERASE_SECTOR 4 // Force erased a block of sectors (for only _USE_ERASE) + +// Generic command +#define CTRL_POWER 5 // Get/Set power status +#define CTRL_LOCK 6 // Lock/Unlock media removal +#define CTRL_EJECT 7 // Eject media + +// MMC/SDC specific ioctl command +#define MMC_GET_TYPE 10 // Get card type +#define MMC_GET_CSD 11 // Get CSD +#define MMC_GET_CID 12 // Get CID +#define MMC_GET_OCR 13 // Get OCR +#define MMC_GET_SDSTAT 14 // Get SD status + +// ATA/CF specific ioctl command +#define ATA_GET_REV 20 // Get F/W revision +#define ATA_GET_MODEL 21 // Get model name +#define ATA_GET_SN 22 // Get serial number + +// NAND specific ioctl command +#define NAND_FORMAT 30 // Create physical format + + +#define _DISKIO +#endif
--- /dev/null Thu Jan 01 00:00:00 1970 +0000 +++ b/fat/ChaN/ff.cpp Sat Feb 15 10:15:42 2014 +0000 @@ -0,0 +1,4139 @@ +/*----------------------------------------------------------------------------/ +/ FatFs - FAT file system module R0.09a (C)ChaN, 2012 +/-----------------------------------------------------------------------------/ +/ 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) 2012, 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 configuration option. (_FS_TINY) +/ Added long file name feature. +/ Added multiple code page feature. +/ 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 feature. +/ 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 = 3) +/ 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. +/ Aug 16,'10 R0.08a Added f_getcwd(). (_FS_RPATH = 2) +/ Added sector erase feature. (_USE_ERASE) +/ Moved file lock semaphore table from fs object to the bss. +/ Fixed a wrong directory entry is created on non-LFN cfg when the given name contains ';'. +/ Fixed f_mkfs() creates wrong FAT32 volume. +/ Jan 15,'11 R0.08b Fast seek feature is also applied to f_read() and f_write(). +/ f_lseek() reports required table size on creating CLMP. +/ Extended format syntax of f_printf function. +/ Ignores duplicated directory separators in given path name. +/ +/ Sep 06,'11 R0.09 f_mkfs() supports multiple partition to finish the multiple partition feature. +/ Added f_fdisk(). (_MULTI_PARTITION = 2) +/ Aug 27,'12 R0.09a Fixed assertion failure due to OS/2 EA on FAT12/16 volume. +/ Changed f_open() and f_opendir reject null object pointer to avoid crash. +/ Changed option name _FS_SHARE to _FS_LOCK. +/---------------------------------------------------------------------------*/ + +#include "ff.h" /* FatFs configurations and declarations */ +#include "diskio.h" /* Declarations of low level disk I/O functions */ + + +/*-------------------------------------------------------------------------- + + Module Private Definitions + +---------------------------------------------------------------------------*/ + +#if _FATFS != 4004 /* Revision ID */ +#error Wrong include file (ff.h). +#endif + + +/* Definitions on sector size */ +#if _MAX_SS != 512 && _MAX_SS != 1024 && _MAX_SS != 2048 && _MAX_SS != 4096 +#error Wrong sector size. +#endif +#if _MAX_SS != 512 +#define SS(fs) ((fs)->ssize) /* Variable sector size */ +#else +#define SS(fs) 512U /* Fixed 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); } + + +/* File access control feature */ +#if _FS_LOCK +#if _FS_READONLY +#error _FS_LOCK must be 0 on read-only cfg. +#endif +typedef struct { + FATFS *fs; /* File ID 1, volume (NULL:blank entry) */ + DWORD clu; /* File ID 2, directory */ + WORD idx; /* File ID 3, directory index */ + WORD ctr; /* File open counter, 0:none, 0x01..0xFF:read open count, 0x100:write mode */ +} FILESEM; +#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) */ +#if _USE_LFN +#error Cannot use LFN feature without valid code page. +#endif +#define _DF1S 0 + +#else +#error Unknown code page + +#endif + + +/* 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 /* Index of name status byte in fn[] */ +#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 */ + + +/* 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 */ + + +/* FatFs refers the members in the FAT structures as byte array instead of +/ structure member because the structure is not binary compatible between +/ different platforms */ + +#define BS_jmpBoot 0 /* Jump instruction (3) */ +#define BS_OEMName 3 /* OEM name (8) */ +#define BPB_BytsPerSec 11 /* Sector size [byte] (2) */ +#define BPB_SecPerClus 13 /* Cluster size [sector] (1) */ +#define BPB_RsvdSecCnt 14 /* Size of reserved area [sector] (2) */ +#define BPB_NumFATs 16 /* Number of FAT copies (1) */ +#define BPB_RootEntCnt 17 /* Number of root dir entries for FAT12/16 (2) */ +#define BPB_TotSec16 19 /* Volume size [sector] (2) */ +#define BPB_Media 21 /* Media descriptor (1) */ +#define BPB_FATSz16 22 /* FAT size [sector] (2) */ +#define BPB_SecPerTrk 24 /* Track size [sector] (2) */ +#define BPB_NumHeads 26 /* Number of heads (2) */ +#define BPB_HiddSec 28 /* Number of special hidden sectors (4) */ +#define BPB_TotSec32 32 /* Volume size [sector] (4) */ +#define BS_DrvNum 36 /* Physical drive number (2) */ +#define BS_BootSig 38 /* Extended boot signature (1) */ +#define BS_VolID 39 /* Volume serial number (4) */ +#define BS_VolLab 43 /* Volume label (8) */ +#define BS_FilSysType 54 /* File system type (1) */ +#define BPB_FATSz32 36 /* FAT size [sector] (4) */ +#define BPB_ExtFlags 40 /* Extended flags (2) */ +#define BPB_FSVer 42 /* File system version (2) */ +#define BPB_RootClus 44 /* Root dir first cluster (4) */ +#define BPB_FSInfo 48 /* Offset of FSInfo sector (2) */ +#define BPB_BkBootSec 50 /* Offset of backup boot sector (2) */ +#define BS_DrvNum32 64 /* Physical drive number (2) */ +#define BS_BootSig32 66 /* Extended boot signature (1) */ +#define BS_VolID32 67 /* Volume serial number (4) */ +#define BS_VolLab32 71 /* Volume label (8) */ +#define BS_FilSysType32 82 /* File system type (1) */ +#define FSI_LeadSig 0 /* FSI: Leading signature (4) */ +#define FSI_StrucSig 484 /* FSI: Structure signature (4) */ +#define FSI_Free_Count 488 /* FSI: Number of free clusters (4) */ +#define FSI_Nxt_Free 492 /* FSI: Last allocated cluster (4) */ +#define MBR_Table 446 /* MBR: Partition table offset (2) */ +#define SZ_PTE 16 /* MBR: Size of a partition table entry */ +#define BS_55AA 510 /* Boot sector signature (2) */ + +#define DIR_Name 0 /* Short file name (11) */ +#define DIR_Attr 11 /* Attribute (1) */ +#define DIR_NTres 12 /* NT flag (1) */ +#define DIR_CrtTimeTenth 13 /* Created time sub-second (1) */ +#define DIR_CrtTime 14 /* Created time (2) */ +#define DIR_CrtDate 16 /* Created date (2) */ +#define DIR_LstAccDate 18 /* Last accessed date (2) */ +#define DIR_FstClusHI 20 /* Higher 16-bit of first cluster (2) */ +#define DIR_WrtTime 22 /* Modified time (2) */ +#define DIR_WrtDate 24 /* Modified date (2) */ +#define DIR_FstClusLO 26 /* Lower 16-bit of first cluster (2) */ +#define DIR_FileSize 28 /* File size (4) */ +#define LDIR_Ord 0 /* LFN entry order and LLE flag (1) */ +#define LDIR_Attr 11 /* LFN attribute (1) */ +#define LDIR_Type 12 /* LFN type (1) */ +#define LDIR_Chksum 13 /* Sum of corresponding SFN entry */ +#define LDIR_FstClusLO 26 /* Filled by zero (0) */ +#define SZ_DIR 32 /* Size of a directory entry */ +#define LLE 0x40 /* Last long entry flag in LDIR_Ord */ +#define DDE 0xE5 /* Deleted directory entry mark in DIR_Name[0] */ +#define NDDE 0x05 /* Replacement of the character collides with DDE */ + + +/*------------------------------------------------------------*/ +/* Module private work area */ +/*------------------------------------------------------------*/ +/* Note that uninitialized variables with static duration are +/ zeroed/nulled at start-up. If not, the compiler or start-up +/ routine is out of ANSI-C standard. +*/ + +#if _VOLUMES +static +FATFS *FatFs[_VOLUMES]; /* Pointer to the file system objects (logical drives) */ +#else +#error Number of volumes must not be 0. +#endif + +static +WORD Fsid; /* File system mount ID */ + +#if _FS_RPATH +static +BYTE CurrVol; /* Current drive */ +#endif + +#if _FS_LOCK +static +FILESEM Files[_FS_LOCK]; /* File lock semaphores */ +#endif + +#if _USE_LFN == 0 /* No LFN feature */ +#define DEF_NAMEBUF BYTE sfn[12] +#define INIT_BUF(dobj) (dobj).fn = sfn +#define FREE_BUF() + +#elif _USE_LFN == 1 /* LFN feature with static 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 feature with dynamic 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 feature with dynamic 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, UINT 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, UINT cnt) { + BYTE *d = (BYTE*)dst; + + while (cnt--) + *d++ = (BYTE)val; +} + +/* Compare memory to memory */ +static +int mem_cmp (const void* dst, const void* src, UINT 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 (fs && + res != FR_NOT_ENABLED && + res != FR_INVALID_DRIVE && + res != FR_INVALID_OBJECT && + res != FR_TIMEOUT) { + ff_rel_grant(fs->sobj); + } +} +#endif + + + +/*-----------------------------------------------------------------------*/ +/* File lock control functions */ +/*-----------------------------------------------------------------------*/ +#if _FS_LOCK + +static +FRESULT chk_lock ( /* Check if the file can be accessed */ + 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_LOCK; i++) { + if (Files[i].fs) { /* Existing entry */ + if (Files[i].fs == dj->fs && /* Check if the file matched with an open file */ + Files[i].clu == dj->sclust && + Files[i].idx == dj->index) break; + } else { /* Blank entry */ + be++; + } + } + if (i == _FS_LOCK) /* The file is not 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 || Files[i].ctr == 0x100) ? FR_LOCKED : FR_OK; +} + + +static +int enq_lock (void) /* Check if an entry is available for a new file */ +{ + UINT i; + + for (i = 0; i < _FS_LOCK && Files[i].fs; i++) ; + return (i == _FS_LOCK) ? 0 : 1; +} + + +static +UINT inc_lock ( /* Increment file open counter and returns its index (0:int error) */ + 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_LOCK; i++) { /* Find the file */ + if (Files[i].fs == dj->fs && + Files[i].clu == dj->sclust && + Files[i].idx == dj->index) break; + } + + if (i == _FS_LOCK) { /* Not opened. Register it as new. */ + for (i = 0; i < _FS_LOCK && Files[i].fs; i++) ; + if (i == _FS_LOCK) return 0; /* No space to register (int err) */ + Files[i].fs = dj->fs; + Files[i].clu = dj->sclust; + Files[i].idx = dj->index; + Files[i].ctr = 0; + } + + if (acc && Files[i].ctr) return 0; /* Access violation (int err) */ + + Files[i].ctr = acc ? 0x100 : Files[i].ctr + 1; /* Set semaphore value */ + + return i + 1; +} + + +static +FRESULT dec_lock ( /* Decrement file open counter */ + UINT i /* Semaphore index */ +) +{ + WORD n; + FRESULT res; + + + if (--i < _FS_LOCK) { + n = Files[i].ctr; + if (n == 0x100) n = 0; + if (n) n--; + Files[i].ctr = n; + if (!n) Files[i].fs = 0; + res = FR_OK; + } else { + res = FR_INT_ERR; + } + return res; +} + + +static +void clear_lock ( /* Clear lock entries of the volume */ + FATFS *fs +) +{ + UINT i; + + for (i = 0; i < _FS_LOCK; i++) { + if (Files[i].fs == fs) Files[i].fs = 0; + } +} +#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; + /* Create FSInfo structure */ + 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); + /* Write it into the FSInfo sector */ + 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, 0) != RES_OK) + res = FR_DISK_ERR; + } + + return res; +} +#endif + + + + +/*-----------------------------------------------------------------------*/ +/* 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; +} + + + + +/*-----------------------------------------------------------------------*/ +/* 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) /* Check 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 = (UINT)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 _USE_ERASE + DWORD scl = clst, ecl = clst, rt[2]; +#endif + + 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; + } +#if _USE_ERASE + if (ecl + 1 == nxt) { /* Is next cluster contiguous? */ + ecl = nxt; + } else { /* End of contiguous clusters */ + rt[0] = clust2sect(fs, scl); /* Start sector */ + rt[1] = clust2sect(fs, ecl) + fs->csize - 1; /* End sector */ + disk_ioctl(fs->drv, CTRL_ERASE_SECTOR, rt); /* Erase the block */ + scl = ecl = nxt; + } +#endif + 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; + FRESULT res; + + + 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 */ + } + + res = put_fat(fs, ncl, 0x0FFFFFFF); /* Mark the new cluster "last link" */ + if (res == FR_OK && clst != 0) { + res = put_fat(fs, clst, ncl); /* Link it to the previous one if needed */ + } + if (res == FR_OK) { + fs->last_clust = ncl; /* Update FSINFO */ + if (fs->free_clust != 0xFFFFFFFF) { + fs->free_clust--; + fs->fsi_flag = 1; + } + } else { + ncl = (res == FR_DISK_ERR) ? 0xFFFFFFFF : 1; + } + + return ncl; /* Return new cluster number or error code */ +} +#endif /* !_FS_READONLY */ + + + +/*-----------------------------------------------------------------------*/ +/* FAT handling - Convert offset into cluster with link map table */ +/*-----------------------------------------------------------------------*/ + +#if _USE_FASTSEEK +static +DWORD clmt_clust ( /* <2:Error, >=2:Cluster number */ + FIL* fp, /* Pointer to the file object */ + DWORD ofs /* File offset to be converted to cluster# */ +) +{ + DWORD cl, ncl, *tbl; + + + tbl = fp->cltbl + 1; /* Top of CLMT */ + cl = ofs / SS(fp->fs) / fp->fs->csize; /* Cluster order from top of the file */ + for (;;) { + ncl = *tbl++; /* Number of cluters in the fragment */ + if (!ncl) return 0; /* End of table? (error) */ + if (cl < ncl) break; /* In this fragment? */ + cl -= ncl; tbl++; /* Next fragment */ + } + return cl + *tbl; /* Return the cluster number */ +} +#endif /* _USE_FASTSEEK */ + + + +/*-----------------------------------------------------------------------*/ +/* Directory handling - Set directory index */ +/*-----------------------------------------------------------------------*/ + +static +FRESULT dir_sdi ( + FATFS_DIR *dj, /* Pointer to directory object */ + WORD idx /* Index of directory table */ +) +{ + 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 (root-dir in FAT12/16) */ + 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) / SZ_DIR); /* Sector# */ + } + else { /* Dynamic table (sub-dirs or root-dir in FAT32) */ + ic = SS(dj->fs) / SZ_DIR * 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) / SZ_DIR); /* Sector# */ + } + + dj->dir = dj->fs->win + (idx % (SS(dj->fs) / SZ_DIR)) * SZ_DIR; /* Ptr to the entry in the sector */ + + return FR_OK; /* Seek succeeded */ +} + + + + +/*-----------------------------------------------------------------------*/ +/* Directory handling - Move directory table index next */ +/*-----------------------------------------------------------------------*/ + +static +FRESULT dir_next ( /* FR_OK:Succeeded, FR_NO_FILE:End of table, FR_DENIED:EOT and could not stretch */ + FATFS_DIR *dj, /* Pointer to directory object */ + int stretch /* 0: Do not stretch table, 1: Stretch table if needed */ +) +{ + DWORD clst; + WORD i; + + + stretch = stretch; /* To suppress warning on read-only cfg. */ + i = dj->index + 1; + if (!i || !dj->sect) /* Report EOT when index has reached 65535 */ + return FR_NO_FILE; + + if (!(i % (SS(dj->fs) / SZ_DIR))) { /* 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) / SZ_DIR)) & (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) / SZ_DIR)) * SZ_DIR; + + return FR_OK; +} + + + + +/*-----------------------------------------------------------------------*/ +/* Directory handling - Load/Store start cluster number */ +/*-----------------------------------------------------------------------*/ + +static +DWORD ld_clust ( + FATFS *fs, /* Pointer to the fs object */ + BYTE *dir /* Pointer to the directory entry */ +) +{ + DWORD cl; + + cl = LD_WORD(dir+DIR_FstClusLO); + if (fs->fs_type == FS_FAT32) + cl |= (DWORD)LD_WORD(dir+DIR_FstClusHI) << 16; + + return cl; +} + + +#if !_FS_READONLY +static +void st_clust ( + BYTE *dir, /* Pointer to the directory entry */ + DWORD cl /* Value to be set */ +) +{ + ST_WORD(dir+DIR_FstClusLO, cl); + ST_WORD(dir+DIR_FstClusHI, cl >> 16); +} +#endif + + + +/*-----------------------------------------------------------------------*/ +/* 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 */ +) +{ + UINT i, s; + WCHAR wc, uc; + + + i = ((dir[LDIR_Ord] & ~LLE) - 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] & LLE) && 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 */ +) +{ + UINT 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] & LLE) { /* 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 */ +) +{ + UINT 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 |= LLE; /* 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; + UINT 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 (hexdecimal) */ + 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; + UINT 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 ( + FATFS_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 == DDE || ((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 & LLE) { /* Is it start of LFN sequence? */ + sum = dir[LDIR_Chksum]; + c &= ~LLE; 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 ( + FATFS_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 == DDE || (!_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 & LLE) { /* Is it start of LFN sequence? */ + sum = dir[LDIR_Chksum]; + c &= ~LLE; 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 != DDE && (_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 */ + FATFS_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)) /* Cannot create dot entry */ + return FR_INVALID_NAME; + + 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 == DDE || 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 == DDE || 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, SZ_DIR); /* 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 */ + FATFS_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 = DDE; /* 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 = DDE; /* 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 ( + FATFS_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; + UINT i, ni, si, di; + const TCHAR *p; + + /* Create LFN in Unicode */ + for (p = *path; *p == '/' || *p == '\\'; p++) ; /* Strip duplicated separator */ + lfn = dj->lfn; + si = di = 0; + 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)) { /* Check if it is a DBC 1st byte (always false on SBCS cfg) */ + b = (BYTE)p[si++]; /* Get 2nd byte */ + if (!IsDBCS2(b)) + return FR_INVALID_NAME; /* Reject invalid sequence */ + w = (w << 8) + b; /* Create a DBC */ + } + w = ff_convert(w, 1); /* Convert ANSI/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 (always false on SBCS cfg) */ + 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] == DDE) dj->fn[0] = NDDE; /* 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; + UINT ni, si, i; + const char *p; + + /* Create file name in directory form */ + for (p = *path; *p == '/' || *p == '\\'; p++) ; /* Strip duplicated separator */ + sfn = dj->fn; + mem_set(sfn, ' ', 11); + si = i = b = 0; ni = 8; +#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? */ + b |= 3; /* Eliminate NT flag */ +#ifdef _EXCVT + c = excvt[c - 0x80]; /* Upper conversion (SBCS) */ +#else +#if !_DF1S /* ASCII only cfg */ + return FR_INVALID_NAME; +#endif +#endif + } + if (IsDBCS1(c)) { /* Check if it is a DBC 1st byte (always false on SBCS cfg) */ + 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] == DDE) sfn[0] = NDDE; /* When first char collides with DDE, 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 */ + FATFS_DIR *dj, /* Pointer to the directory object */ + FILINFO *fno /* Pointer to the file information to be filled */ +) +{ + UINT 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 == NDDE) c = (TCHAR)DDE; + 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; /* Terminate SFN str by a \0 */ + +#if _USE_LFN + if (fno->lfname && fno->lfsize) { + 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 (always false on SBCS cfg) */ + tp[i++] = (TCHAR)(w >> 8); +#endif + if (i >= fno->lfsize - 1) { i = 0; break; } /* Buffer overflow, no LFN */ + tp[i++] = (TCHAR)w; + } + } + tp[i] = 0; /* Terminate the LFN str by a \0 */ + } +#endif +} +#endif /* _FS_MINIMIZE <= 1 */ + + + + +/*-----------------------------------------------------------------------*/ +/* Follow a file path */ +/*-----------------------------------------------------------------------*/ + +static +FRESULT follow_path ( /* FR_OK(0): successful, !=0: error code */ + FATFS_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 occurred */ + /* 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 = ld_clust(dj->fs, dir); + } + } + + return res; +} + + + + +/*-----------------------------------------------------------------------*/ +/* Load a sector and check if it is an FAT Volume Boot Record */ +/*-----------------------------------------------------------------------*/ + +static +BYTE check_fs ( /* 0:FAT-VBR, 1:Any BR but not 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; +} + + + + +/*-----------------------------------------------------------------------*/ +/* Check if the file system object is valid or not */ +/*-----------------------------------------------------------------------*/ + +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 wmode /* !=0: Check write protection for write access */ +) +{ + BYTE fmt, b, pi, *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 = CurrVol; /* Use current drive */ +#else + vol = 0; /* Use drive 0 */ +#endif + } + + /* Check if the file system object is valid or not */ + *rfs = 0; + if (vol >= _VOLUMES) /* Is the drive number valid? */ + return FR_INVALID_DRIVE; + fs = FatFs[vol]; /* Get corresponding file system object */ + if (!fs) return FR_NOT_ENABLED; /* Is the file system object available? */ + + ENTER_FF(fs); /* Lock file system */ + + *rfs = fs; /* Return pointer to the corresponding file system object */ + if (fs->fs_type) { /* If the volume 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 && wmode && (stat & STA_PROTECT)) /* Check write protection if needed */ + return FR_WRITE_PROTECTED; + return FR_OK; /* The file system object is valid */ + } + } + + /* The file system object is not valid. */ + /* Following code attempts to mount the volume. (analyze BPB and initialize the fs object) */ + + fs->fs_type = 0; /* Clear the file system object */ + fs->drv = LD2PD(vol); /* Bind the logical drive and a physical drive */ + stat = disk_initialize(fs->drv); /* Initialize the physical drive */ + if (stat & STA_NOINIT) /* Check if the initialization succeeded */ + return FR_NOT_READY; /* Failed to initialize due to no medium or hard error */ + if (!_FS_READONLY && wmode && (stat & STA_PROTECT)) /* Check disk write protection if needed */ + return FR_WRITE_PROTECTED; +#if _MAX_SS != 512 /* Get disk sector size (variable sector size cfg only) */ + if (disk_ioctl(fs->drv, GET_SECTOR_SIZE, &fs->ssize) != RES_OK) + return FR_DISK_ERR; +#endif + /* Search FAT partition on the drive. Supports only generic partitions, FDISK and SFD. */ + fmt = check_fs(fs, bsect = 0); /* Load sector 0 and check if it is an FAT-VBR (in SFD) */ + if (LD2PT(vol) && !fmt) fmt = 1; /* Force non-SFD if the volume is forced partition */ + if (fmt == 1) { /* Not an FAT-VBR, the physical drive can be partitioned */ + /* Check the partition listed in the partition table */ + pi = LD2PT(vol); + if (pi) pi--; + tbl = &fs->win[MBR_Table + pi * SZ_PTE];/* 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 */ + + /* An 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 power of 2) */ + + fs->n_rootdir = LD_WORD(fs->win+BPB_RootEntCnt); /* Number of root directory entries */ + if (fs->n_rootdir % (SS(fs) / SZ_DIR)) 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) / SZ_DIR); /* 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)) /* (BPB_FATSz must not be less than required) */ + 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_LOCK /* Clear file lock semaphores */ + clear_lock(fs); +#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 */ + void* obj /* Pointer to the object FIL/DIR to check validity */ +) +{ + FIL *fil; + + + fil = (FIL*)obj; /* Assuming offset of fs and id in the FIL/DIR is identical */ + if (!fil->fs || !fil->fs->fs_type || fil->fs->id != fil->id) + return FR_INVALID_OBJECT; + + ENTER_FF(fil->fs); /* Lock file system */ + + if (disk_status(fil->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 >= _VOLUMES) /* Check if the drive number is valid */ + return FR_INVALID_DRIVE; + rfs = FatFs[vol]; /* Get current fs object */ + + if (rfs) { +#if _FS_LOCK + clear_lock(rfs); +#endif +#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 ( + 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; + FATFS_DIR dj; + BYTE *dir; + DEF_NAMEBUF; + + + if (!fp) return FR_INVALID_OBJECT; + 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 + if (res == FR_OK) { + INIT_BUF(dj); + 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_LOCK + 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_LOCK + res = enq_lock() ? dir_register(&dj) : FR_TOO_MANY_OPEN_FILES; +#else + res = dir_register(&dj); +#endif + mode |= FA_CREATE_ALWAYS; /* File is created */ + dir = dj.dir; /* New entry */ + } + else { /* Any object is already existing */ + if (dir[DIR_Attr] & (AM_RDO | AM_DIR)) { /* Cannot overwrite it (R/O or DIR) */ + res = FR_DENIED; + } else { + if (mode & FA_CREATE_NEW) /* Cannot create as new file */ + res = FR_EXIST; + } + } + 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 = ld_clust(dj.fs, dir); /* Get start cluster */ + st_clust(dir, 0); /* cluster = 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_CREATE_ALWAYS) /* Set file change flag if created or overwritten */ + mode |= FA__WRITTEN; + fp->dir_sect = dj.fs->winsect; /* Pointer to the directory entry */ + fp->dir_ptr = dir; +#if _FS_LOCK + 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 */ + dir = dj.dir; + 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->sclust = ld_clust(dj.fs, dir); /* File start cluster */ + fp->fsize = LD_DWORD(dir+DIR_FileSize); /* File size */ + fp->fptr = 0; /* File pointer */ + fp->dsect = 0; +#if _USE_FASTSEEK + fp->cltbl = 0; /* Normal seek mode */ +#endif + fp->fs = dj.fs; fp->id = dj.fs->id; /* Validate file object */ + } + } + + LEAVE_FF(dj.fs, res); +} + + + + +/*-----------------------------------------------------------------------*/ +/* Read File */ +/*-----------------------------------------------------------------------*/ + +FRESULT f_read ( + 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; /* Clear read byte counter */ + + res = validate(fp); /* Check validity */ + if (res != FR_OK) LEAVE_FF(fp->fs, res); + if (fp->flag & FA__ERROR) /* Aborted file? */ + 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 read */ + 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? */ + if (fp->fptr == 0) { /* On the top of the file? */ + clst = fp->sclust; /* Follow from the origin */ + } else { /* Middle or end of the file */ +#if _USE_FASTSEEK + if (fp->cltbl) + clst = clmt_clust(fp, fp->fptr); /* Get cluster# from the CLMT */ + else +#endif + clst = get_fat(fp->fs, fp->clust); /* Follow cluster chain on the FAT */ + } + if (clst < 2) ABORT(fp->fs, FR_INT_ERR); + if (clst == 0xFFFFFFFF) ABORT(fp->fs, FR_DISK_ERR); + fp->clust = clst; /* Update current cluster */ + } + sect = clust2sect(fp->fs, fp->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 (fp->dsect != sect) { /* Load data sector if not in cache */ +#if !_FS_READONLY + if (fp->flag & FA__DIRTY) { /* Write-back dirty sector cache */ + 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, sect, 1) != RES_OK) /* Fill sector cache */ + ABORT(fp->fs, FR_DISK_ERR); + } +#endif + fp->dsect = sect; + } + rcnt = SS(fp->fs) - ((UINT)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 ( + 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; /* Clear write byte counter */ + + res = validate(fp); /* Check validity */ + if (res != FR_OK) LEAVE_FF(fp->fs, res); + if (fp->flag & FA__ERROR) /* Aborted file? */ + LEAVE_FF(fp->fs, FR_INT_ERR); + if (!(fp->flag & FA_WRITE)) /* Check access mode */ + LEAVE_FF(fp->fs, FR_DENIED); + if ((DWORD)(fp->fsize + btw) < fp->fsize) btw = 0; /* File size cannot reach 4GB */ + + for ( ; btw; /* Repeat until all data written */ + 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->sclust; /* Follow from the origin */ + if (clst == 0) /* When no cluster is allocated, */ + fp->sclust = clst = create_chain(fp->fs, 0); /* Create a new cluster chain */ + } else { /* Middle or end of the file */ +#if _USE_FASTSEEK + if (fp->cltbl) + clst = clmt_clust(fp, fp->fptr); /* Get cluster# from the CLMT */ + else +#endif + clst = create_chain(fp->fs, fp->clust); /* Follow or stretch cluster chain on the FAT */ + } + 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->clust = clst; /* Update current cluster */ + } +#if _FS_TINY + if (fp->fs->winsect == fp->dsect && move_window(fp->fs, 0)) /* Write-back sector cache */ + ABORT(fp->fs, FR_DISK_ERR); +#else + if (fp->flag & FA__DIRTY) { /* Write-back sector cache */ + 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->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 invalidated 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 invalidated 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 cache 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 cache 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) - ((UINT)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 change flag */ + + LEAVE_FF(fp->fs, FR_OK); +} + + + + +/*-----------------------------------------------------------------------*/ +/* Synchronize the File Object */ +/*-----------------------------------------------------------------------*/ + +FRESULT f_sync ( + FIL *fp /* Pointer to the file object */ +) +{ + FRESULT res; + DWORD tim; + BYTE *dir; + + + res = validate(fp); /* 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_clust(dir, fp->sclust); /* Update start cluster */ + tim = get_fattime(); /* Update updated time */ + ST_DWORD(dir+DIR_WrtTime, tim); + ST_WORD(dir+DIR_LstAccDate, 0); + 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 ( + FIL *fp /* Pointer to the file object to be closed */ +) +{ + FRESULT res; + + +#if _FS_READONLY + res = validate(fp); + { +#if _FS_REENTRANT + FATFS *fs = fp->fs; +#endif + if (res == FR_OK) fp->fs = 0; /* Discard file object */ + LEAVE_FF(fs, res); + } +#else + res = f_sync(fp); /* Flush cached data */ +#if _FS_LOCK + if (res == FR_OK) { /* Decrement open counter */ +#if _FS_REENTRANT + FATFS *fs = fp->fs;; + res = validate(fp); + if (res == FR_OK) { + res = dec_lock(fp->lockid); + unlock_fs(fs, FR_OK); + } +#else + res = dec_lock(fp->lockid); +#endif + } +#endif + if (res == FR_OK) fp->fs = 0; /* Discard file object */ + return res; +#endif +} + + + + +/*-----------------------------------------------------------------------*/ +/* Current Drive/Directory Handlings */ +/*-----------------------------------------------------------------------*/ + +#if _FS_RPATH >= 1 + +FRESULT f_chdrive ( + BYTE drv /* Drive number */ +) +{ + if (drv >= _VOLUMES) return FR_INVALID_DRIVE; + + CurrVol = drv; + + return FR_OK; +} + + + +FRESULT f_chdir ( + const TCHAR *path /* Pointer to the directory path */ +) +{ + FRESULT res; + 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 path */ + FREE_BUF(); + if (res == FR_OK) { /* Follow completed */ + if (!dj.dir) { + dj.fs->cdir = dj.sclust; /* Start directory itself */ + } else { + if (dj.dir[DIR_Attr] & AM_DIR) /* Reached to the directory */ + dj.fs->cdir = ld_clust(dj.fs, dj.dir); + else + res = FR_NO_PATH; /* Reached but a file */ + } + } + if (res == FR_NO_FILE) res = FR_NO_PATH; + } + + LEAVE_FF(dj.fs, res); +} + + +#if _FS_RPATH >= 2 +FRESULT f_getcwd ( + TCHAR *path, /* Pointer to the directory path */ + UINT sz_path /* Size of path */ +) +{ + FRESULT res; + DIR dj; + UINT i, n; + DWORD ccl; + TCHAR *tp; + FILINFO fno; + DEF_NAMEBUF; + + + *path = 0; + res = chk_mounted((const TCHAR**)&path, &dj.fs, 0); /* Get current volume */ + if (res == FR_OK) { + INIT_BUF(dj); + i = sz_path; /* Bottom of buffer (dir stack base) */ + dj.sclust = dj.fs->cdir; /* Start to follow upper dir from current dir */ + while ((ccl = dj.sclust) != 0) { /* Repeat while current dir is a sub-dir */ + res = dir_sdi(&dj, 1); /* Get parent dir */ + if (res != FR_OK) break; + res = dir_read(&dj); + if (res != FR_OK) break; + dj.sclust = ld_clust(dj.fs, dj.dir); /* Goto parent dir */ + res = dir_sdi(&dj, 0); + if (res != FR_OK) break; + do { /* Find the entry links to the child dir */ + res = dir_read(&dj); + if (res != FR_OK) break; + if (ccl == ld_clust(dj.fs, dj.dir)) break; /* Found the entry */ + res = dir_next(&dj, 0); + } while (res == FR_OK); + if (res == FR_NO_FILE) res = FR_INT_ERR;/* It cannot be 'not found'. */ + if (res != FR_OK) break; +#if _USE_LFN + fno.lfname = path; + fno.lfsize = i; +#endif + get_fileinfo(&dj, &fno); /* Get the dir name and push it to the buffer */ + tp = fno.fname; + if (_USE_LFN && *path) tp = path; + for (n = 0; tp[n]; n++) ; + if (i < n + 3) { + res = FR_NOT_ENOUGH_CORE; break; + } + while (n) path[--i] = tp[--n]; + path[--i] = '/'; + } + tp = path; + if (res == FR_OK) { + *tp++ = '0' + CurrVol; /* Put drive number */ + *tp++ = ':'; + if (i == sz_path) { /* Root-dir */ + *tp++ = '/'; + } else { /* Sub-dir */ + do /* Add stacked path str */ + *tp++ = path[i++]; + while (i < sz_path); + } + } + *tp = 0; + FREE_BUF(); + } + + LEAVE_FF(dj.fs, res); +} +#endif /* _FS_RPATH >= 2 */ +#endif /* _FS_RPATH >= 1 */ + + + +#if _FS_MINIMIZE <= 2 +/*-----------------------------------------------------------------------*/ +/* Seek File R/W Pointer */ +/*-----------------------------------------------------------------------*/ + +FRESULT f_lseek ( + FIL *fp, /* Pointer to the file object */ + DWORD ofs /* File pointer from top of file */ +) +{ + FRESULT res; + + + res = validate(fp); /* 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, ulen, *tbl; + + if (ofs == CREATE_LINKMAP) { /* Create CLMT */ + tbl = fp->cltbl; + tlen = *tbl++; ulen = 2; /* Given table size and required table size */ + cl = fp->sclust; /* Top of the chain */ + if (cl) { + do { + /* Get a fragment */ + tcl = cl; ncl = 0; ulen += 2; /* Top, length and used items */ + do { + 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); + if (ulen <= tlen) { /* Store the length and top of the fragment */ + *tbl++ = ncl; *tbl++ = tcl; + } + } while (cl < fp->fs->n_fatent); /* Repeat until end of chain */ + } + *fp->cltbl = ulen; /* Number of items used */ + if (ulen <= tlen) + *tbl = 0; /* Terminate table */ + else + res = FR_NOT_ENOUGH_CORE; /* Given table size is smaller than required */ + + } else { /* Fast seek */ + if (ofs > fp->fsize) /* Clip offset at the file size */ + ofs = fp->fsize; + fp->fptr = ofs; /* Set file pointer */ + if (ofs) { + fp->clust = clmt_clust(fp, ofs - 1); + dsc = clust2sect(fp->fs, fp->clust); + if (!dsc) ABORT(fp->fs, FR_INT_ERR); + dsc += (ofs - 1) / SS(fp->fs) & (fp->fs->csize - 1); + if (fp->fptr % SS(fp->fs) && dsc != fp->dsect) { /* Refill sector cache if needed */ +#if !_FS_TINY +#if !_FS_READONLY + if (fp->flag & FA__DIRTY) { /* Write-back dirty sector cache */ + 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) /* Load current sector */ + 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->clust; + } else { /* When seek to back cluster, */ + clst = fp->sclust; /* 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->sclust = clst; + } +#endif + fp->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->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) { /* Fill sector cache if needed */ +#if !_FS_TINY +#if !_FS_READONLY + if (fp->flag & FA__DIRTY) { /* Write-back dirty sector cache */ + 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) /* Fill sector cache */ + ABORT(fp->fs, FR_DISK_ERR); +#endif + fp->dsect = nsect; + } +#if !_FS_READONLY + if (fp->fptr > fp->fsize) { /* Set file change 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 Directory Object */ +/*-----------------------------------------------------------------------*/ + +FRESULT f_opendir ( + FATFS_DIR *dj, /* Pointer to directory object to create */ + const TCHAR *path /* Pointer to the directory path */ +) +{ + FRESULT res; + FATFS *fs; + DEF_NAMEBUF; + + + if (!dj) return FR_INVALID_OBJECT; + + res = chk_mounted(&path, &dj->fs, 0); + fs = dj->fs; + 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 */ + if (dj->dir) { /* It is not the root dir */ + if (dj->dir[DIR_Attr] & AM_DIR) { /* The object is a directory */ + dj->sclust = ld_clust(fs, dj->dir); + } else { /* The object is not a directory */ + res = FR_NO_PATH; + } + } + if (res == FR_OK) { + dj->id = fs->id; + res = dir_sdi(dj, 0); /* Rewind dir */ + } + } + if (res == FR_NO_FILE) res = FR_NO_PATH; + if (res != FR_OK) dj->fs = 0; /* Invalidate the dir object if function faild */ + } else { + dj->fs = 0; + } + + LEAVE_FF(fs, res); +} + + + + +/*-----------------------------------------------------------------------*/ +/* Read Directory Entry in Sequence */ +/*-----------------------------------------------------------------------*/ + +FRESULT f_readdir ( + FATFS_DIR *dj, /* Pointer to the open directory object */ + FILINFO *fno /* Pointer to file information to return */ +) +{ + FRESULT res; + DEF_NAMEBUF; + + + res = validate(dj); /* Check validity of the object */ + if (res == FR_OK) { + if (!fno) { + res = dir_sdi(dj, 0); /* Rewind the directory object */ + } else { + INIT_BUF(*dj); + res = dir_read(dj); /* Read an directory item */ + if (res == FR_NO_FILE) { /* Reached end of dir */ + 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; + FATFS_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; + FATFS *fs; + DWORD n, clst, sect, stat; + UINT i; + BYTE fat, *p; + + + /* Get drive number */ + res = chk_mounted(&path, fatfs, 0); + fs = *fatfs; + if (res == FR_OK) { + /* If free_clust is valid, return it without full cluster scan */ + if (fs->free_clust <= fs->n_fatent - 2) { + *nclst = fs->free_clust; + } else { + /* Get number of free clusters */ + fat = fs->fs_type; + n = 0; + if (fat == FS_FAT12) { + clst = 2; + do { + stat = get_fat(fs, clst); + if (stat == 0xFFFFFFFF) { res = FR_DISK_ERR; break; } + if (stat == 1) { res = FR_INT_ERR; break; } + if (stat == 0) n++; + } while (++clst < fs->n_fatent); + } else { + clst = fs->n_fatent; + sect = fs->fatbase; + i = 0; p = 0; + do { + if (!i) { + res = move_window(fs, sect++); + if (res != FR_OK) break; + p = fs->win; + i = SS(fs); + } + 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); + } + fs->free_clust = n; + if (fat == FS_FAT32) fs->fsi_flag = 1; + *nclst = n; + } + } + LEAVE_FF(fs, res); +} + + + + +/*-----------------------------------------------------------------------*/ +/* Truncate File */ +/*-----------------------------------------------------------------------*/ + +FRESULT f_truncate ( + FIL *fp /* Pointer to the file object */ +) +{ + FRESULT res; + DWORD ncl; + + + if (!fp) return FR_INVALID_OBJECT; + + res = validate(fp); /* 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->sclust); + fp->sclust = 0; + } else { /* When truncate a part of the file, remove remaining clusters */ + ncl = get_fat(fp->fs, fp->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->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; + FATFS_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_LOCK + 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 = ld_clust(dj.fs, dir); + 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 (FATFS_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 == dj.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; + FATFS_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_clust(dir, dcl); + mem_cpy(dir+SZ_DIR, dir, SZ_DIR); /* Create ".." entry */ + dir[33] = '.'; pcl = dj.sclust; + if (dj.fs->fs_type == FS_FAT32 && pcl == dj.fs->dirbase) + pcl = 0; + st_clust(dir+SZ_DIR, pcl); + 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_clust(dir, dcl); /* Table start cluster */ + 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; + FATFS_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; + FATFS_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; + FATFS_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_LOCK + 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 (FATFS_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 an 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(djo.fs, ld_clust(djo.fs, dir)); + if (!dw) { + res = FR_INT_ERR; + } else { + res = move_window(djo.fs, dw); + dir = djo.fs->win+SZ_DIR; /* .. entry */ + if (res == FR_OK && dir[1] == '.') { + dw = (djo.fs->fs_type == FS_FAT32 && djn.sclust == djo.fs->dirbase) ? 0 : djn.sclust; + st_clust(dir, dw); + djo.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 ( + 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; /* Clear transfer byte counter */ + + if (!fp) return FR_INVALID_OBJECT; + + res = validate(fp); /* 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->sclust : get_fat(fp->fs, fp->clust); + if (clst <= 1) ABORT(fp->fs, FR_INT_ERR); + if (clst == 0xFFFFFFFF) ABORT(fp->fs, FR_DISK_ERR); + fp->clust = clst; /* Update current cluster */ + } + } + sect = clust2sect(fp->fs, fp->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 /* Number of root dir entries for FAT12/16 */ +#define N_FATS 1 /* Number of FAT copies (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, sys, *tbl, pdrv, part; + DWORD n_clst, vs, n, wsect; + UINT i; + DWORD b_vol, b_fat, b_dir, b_data; /* LBA */ + DWORD n_vol, n_rsv, n_fat, n_dir; /* Size */ + FATFS *fs; + DSTATUS stat; + + + /* Check mounted drive and clear work area */ + if (drv >= _VOLUMES) return FR_INVALID_DRIVE; + if (sfd > 1) return FR_INVALID_PARAMETER; + if (au & (au - 1)) return FR_INVALID_PARAMETER; + fs = FatFs[drv]; + if (!fs) return FR_NOT_ENABLED; + fs->fs_type = 0; + pdrv = LD2PD(drv); /* Physical drive */ + part = LD2PT(drv); /* Partition (0:auto detect, 1-4:get from partition table)*/ + + /* Get disk statics */ + stat = disk_initialize(pdrv); + 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(pdrv, GET_SECTOR_SIZE, &SS(fs)) != RES_OK || SS(fs) > _MAX_SS) + return FR_DISK_ERR; +#endif + if (_MULTI_PARTITION && part) { + /* Get partition information from partition table in the MBR */ + if (disk_read(pdrv, fs->win, 0, 1) != RES_OK) return FR_DISK_ERR; + if (LD_WORD(fs->win+BS_55AA) != 0xAA55) return FR_MKFS_ABORTED; + tbl = &fs->win[MBR_Table + (part - 1) * SZ_PTE]; + if (!tbl[4]) return FR_MKFS_ABORTED; /* No partition? */ + b_vol = LD_DWORD(tbl+8); /* Volume start sector */ + n_vol = LD_DWORD(tbl+12); /* Volume size */ + } else { + /* Create a partition in this function */ + if (disk_ioctl(pdrv, GET_SECTOR_COUNT, &n_vol) != RES_OK || n_vol < 128) + return FR_DISK_ERR; + b_vol = (sfd) ? 0 : 63; /* Volume start sector */ + n_vol -= b_vol; /* Volume size */ + } + + if (!au) { /* AU auto selection */ + vs = n_vol / (2000 / (SS(fs) / 512)); + for (i = 0; vs < vst[i]; i++) ; + au = cst[i]; + } + 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 sub-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 = (DWORD)N_ROOTDIR * SZ_DIR / 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 - b_vol) return FR_MKFS_ABORTED; /* Too small volume */ + + /* Align data start sector to erase block boundary (for flash memory media) */ + if (disk_ioctl(pdrv, GET_BLOCK_SIZE, &n) != RES_OK || !n || n > 32768) n = 1; + n = (b_data + n - 1) & ~(n - 1); /* Next nearest erase block from current data start */ + n = (n - b_data) / N_FATS; + if (fmt == FS_FAT32) { /* FAT32: Move FAT offset */ + n_rsv += n; + b_fat += n; + } else { /* FAT12/16: Expand FAT size */ + n_fat += n; + } + + /* Determine number of clusters 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; + + switch (fmt) { /* Determine system ID for partition table */ + case FS_FAT12: sys = 0x01; break; + case FS_FAT16: sys = (n_vol < 0x10000) ? 0x04 : 0x06; break; + default: sys = 0x0C; + } + + if (_MULTI_PARTITION && part) { + /* Update system ID in the partition table */ + tbl = &fs->win[MBR_Table + (part - 1) * SZ_PTE]; + tbl[4] = sys; + if (disk_write(pdrv, fs->win, 0, 1) != RES_OK) return FR_DISK_ERR; + md = 0xF8; + } else { + if (sfd) { /* No partition table (SFD) */ + md = 0xF0; + } else { /* Create partition table (FDISK) */ + mem_set(fs->win, 0, SS(fs)); + tbl = fs->win+MBR_Table; /* Create partition table for single partition in the drive */ + tbl[1] = 1; /* Partition start head */ + tbl[2] = 1; /* Partition start sector */ + tbl[3] = 0; /* Partition start cylinder */ + tbl[4] = sys; /* System type */ + tbl[5] = 254; /* Partition end head */ + n = (b_vol + n_vol) / 63 / 255; + tbl[6] = (BYTE)((n >> 2) | 63); /* Partition end sector */ + tbl[7] = (BYTE)n; /* End cylinder */ + ST_DWORD(tbl+8, 63); /* Partition start in LBA */ + ST_DWORD(tbl+12, n_vol); /* Partition size in LBA */ + ST_WORD(fs->win+BS_55AA, 0xAA55); /* MBR signature */ + if (disk_write(pdrv, fs->win, 0, 1) != RES_OK) /* Write it to the MBR sector */ + return FR_DISK_ERR; + md = 0xF8; + } + } + + /* Create BPB in the VBR */ + tbl = fs->win; /* Clear sector */ + mem_set(tbl, 0, SS(fs)); + mem_cpy(tbl, "\xEB\xFE\x90" "MSDOS5.0", 11);/* Boot jump code, OEM name */ + i = SS(fs); /* Sector size */ + ST_WORD(tbl+BPB_BytsPerSec, i); + 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 */ + i = (fmt == FS_FAT32) ? 0 : N_ROOTDIR; /* Number of rootdir entries */ + ST_WORD(tbl+BPB_RootEntCnt, i); + 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(pdrv, tbl, b_vol, 1) != RES_OK) /* Write it to the VBR sector */ + return FR_DISK_ERR; + if (fmt == FS_FAT32) /* Write backup VBR if needed (VBR+6) */ + disk_write(pdrv, tbl, b_vol + 6, 1); + + /* Initialize FAT area */ + wsect = b_fat; + for (i = 0; i < N_FATS; i++) { /* Initialize each FAT copy */ + 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 |= 0xFFFFFF00; + ST_DWORD(tbl+0, n); /* Reserve cluster #0-1 (FAT32) */ + ST_DWORD(tbl+4, 0xFFFFFFFF); + ST_DWORD(tbl+8, 0x0FFFFFFF); /* Reserve cluster #2 for root dir */ + } + if (disk_write(pdrv, tbl, wsect++, 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 writes */ + if (disk_write(pdrv, tbl, wsect++, 1) != RES_OK) + return FR_DISK_ERR; + } + } + + /* Initialize root directory */ + i = (fmt == FS_FAT32) ? au : n_dir; + do { + if (disk_write(pdrv, tbl, wsect++, 1) != RES_OK) + return FR_DISK_ERR; + } while (--i); + +#if _USE_ERASE /* Erase data area if needed */ + { + DWORD eb[2]; + + eb[0] = wsect; eb[1] = wsect + (n_clst - ((fmt == FS_FAT32) ? 1 : 0)) * au - 1; + disk_ioctl(pdrv, CTRL_ERASE_SECTOR, eb); + } +#endif + + /* Create FSInfo if needed */ + if (fmt == FS_FAT32) { + ST_DWORD(tbl+FSI_LeadSig, 0x41615252); + ST_DWORD(tbl+FSI_StrucSig, 0x61417272); + ST_DWORD(tbl+FSI_Free_Count, n_clst - 1); /* Number of free clusters */ + ST_DWORD(tbl+FSI_Nxt_Free, 2); /* Last allocated cluster# */ + ST_WORD(tbl+BS_55AA, 0xAA55); + disk_write(pdrv, tbl, b_vol + 1, 1); /* Write original (VBR+1) */ + disk_write(pdrv, tbl, b_vol + 7, 1); /* Write backup (VBR+7) */ + } + + return (disk_ioctl(pdrv, CTRL_SYNC, 0) == RES_OK) ? FR_OK : FR_DISK_ERR; +} + + +#if _MULTI_PARTITION == 2 +/*-----------------------------------------------------------------------*/ +/* Divide Physical Drive */ +/*-----------------------------------------------------------------------*/ + +FRESULT f_fdisk ( + BYTE pdrv, /* Physical drive number */ + const DWORD szt[], /* Pointer to the size table for each partitions */ + void* work /* Pointer to the working buffer */ +) +{ + UINT i, n, sz_cyl, tot_cyl, b_cyl, e_cyl, p_cyl; + BYTE s_hd, e_hd, *p, *buf = (BYTE*)work; + DSTATUS stat; + DWORD sz_disk, sz_part, s_part; + + + stat = disk_initialize(pdrv); + if (stat & STA_NOINIT) return FR_NOT_READY; + if (stat & STA_PROTECT) return FR_WRITE_PROTECTED; + if (disk_ioctl(pdrv, GET_SECTOR_COUNT, &sz_disk)) return FR_DISK_ERR; + + /* Determine CHS in the table regardless of the drive geometry */ + for (n = 16; n < 256 && sz_disk / n / 63 > 1024; n *= 2) ; + if (n == 256) n--; + e_hd = n - 1; + sz_cyl = 63 * n; + tot_cyl = sz_disk / sz_cyl; + + /* Create partition table */ + mem_set(buf, 0, _MAX_SS); + p = buf + MBR_Table; b_cyl = 0; + for (i = 0; i < 4; i++, p += SZ_PTE) { + p_cyl = (szt[i] <= 100) ? (DWORD)tot_cyl * szt[i] / 100 : szt[i] / sz_cyl; + if (!p_cyl) continue; + s_part = (DWORD)sz_cyl * b_cyl; + sz_part = (DWORD)sz_cyl * p_cyl; + if (i == 0) { /* Exclude first track of cylinder 0 */ + s_hd = 1; + s_part += 63; sz_part -= 63; + } else { + s_hd = 0; + } + e_cyl = b_cyl + p_cyl - 1; + if (e_cyl >= tot_cyl) return FR_INVALID_PARAMETER; + + /* Set partition table */ + p[1] = s_hd; /* Start head */ + p[2] = (BYTE)((b_cyl >> 2) + 1); /* Start sector */ + p[3] = (BYTE)b_cyl; /* Start cylinder */ + p[4] = 0x06; /* System type (temporary setting) */ + p[5] = e_hd; /* End head */ + p[6] = (BYTE)((e_cyl >> 2) + 63); /* End sector */ + p[7] = (BYTE)e_cyl; /* End cylinder */ + ST_DWORD(p + 8, s_part); /* Start sector in LBA */ + ST_DWORD(p + 12, sz_part); /* Partition size */ + + /* Next partition */ + b_cyl += p_cyl; + } + ST_WORD(p, 0xAA55); + + /* Write it to the MBR */ + return (disk_write(pdrv, buf, 0, 1) || disk_ioctl(pdrv, CTRL_SYNC, 0)) ? FR_DISK_ERR : FR_OK; +} + + +#endif /* _MULTI_PARTITION == 2 */ +#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) */ + 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 sequence */ + 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 sequence */ + 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 sequence */ + 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 */ + 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 */ + 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 ( + 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, j, w; + ULONG v; + TCHAR c, d, s[16], *p; + int res, chc, 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++; + } else { + if (c == '-') { /* Flag: left justified */ + f = 2; c = *str++; + } + } + while (IsDigit(c)) { /* Precision */ + w = w * 10 + c - '0'; + c = *str++; + } + if (c == 'l' || c == 'L') { /* Prefix: Size is long int */ + f |= 4; c = *str++; + } + if (!c) break; + d = c; + if (IsLower(d)) d -= 0x20; + switch (d) { /* Type is... */ + case 'S' : /* String */ + p = va_arg(arp, TCHAR*); + for (j = 0; p[j]; j++) ; + chc = 0; + if (!(f & 2)) { + while (j++ < w) chc += (cc = f_putc(' ', fil)); + } + chc += (cc = f_puts(p, fil)); + while (j++ < w) chc += (cc = f_putc(' ', fil)); + if (cc != EOF) cc = chc; + 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 type (pass-through) */ + cc = f_putc(c, fil); continue; + } + + /* Get an argument and put it in numeral */ + v = (f & 4) ? (ULONG)va_arg(arp, long) : ((d == 'D') ? (ULONG)(long)va_arg(arp, int) : (ULONG)va_arg(arp, unsigned int)); + if (d == 'D' && (v & 0x80000000)) { + v = 0 - v; + f |= 8; + } + i = 0; + do { + d = (TCHAR)(v % r); v /= r; + if (d > 9) d += (c == 'x') ? 0x27 : 0x07; + s[i++] = d + '0'; + } while (v && i < sizeof s / sizeof s[0]); + if (f & 8) s[i++] = '-'; + j = i; d = (f & 1) ? '0' : ' '; + res = 0; + while (!(f & 2) && j++ < w) res += (cc = f_putc(d, fil)); + do res += (cc = f_putc(s[--i], fil)); while(i); + while (j++ < w) res += (cc = f_putc(' ', fil)); + if (cc != EOF) cc = res; + } + + va_end(arp); + return (cc == EOF) ? cc : res; +} + +#endif /* !_FS_READONLY */ +#endif /* _USE_STRFUNC */
--- /dev/null Thu Jan 01 00:00:00 1970 +0000 +++ b/fat/ChaN/ff.h Sat Feb 15 10:15:42 2014 +0000 @@ -0,0 +1,337 @@ +/*---------------------------------------------------------------------------/ +/ FatFs - FAT file system module include file R0.09a (C)ChaN, 2012 +/----------------------------------------------------------------------------/ +/ 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) 2012, 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. +/ +/----------------------------------------------------------------------------*/ + +#ifndef _FATFS +#define _FATFS 4004 /* 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 + + + +/* Definitions of volume management */ + +#if _MULTI_PARTITION /* Multiple partition configuration */ +typedef struct { + BYTE pd; /* Physical drive number */ + BYTE pt; /* Partition: 0:Auto detect, 1-4:Forced partition) */ +} PARTITION; +extern PARTITION VolToPart[]; /* Volume - Partition resolution table */ +#define LD2PD(vol) (VolToPart[vol].pd) /* Get physical drive number */ +#define LD2PT(vol) (VolToPart[vol].pt) /* Get partition index */ + +#else /* Single partition configuration */ +#define LD2PD(vol) (BYTE)(vol) /* Each logical drive is bound to the same physical drive number */ +#define LD2PT(vol) 0 /* Always mounts the 1st partition or in SFD */ + +#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 + + + +/* 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 or 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) */ +} FATFS; + + + +/* File object structure (FIL) */ + +typedef struct { + FATFS* fs; /* Pointer to the related file system object */ + WORD id; /* File system mount ID of the related file system object */ + BYTE flag; /* File status flags */ + BYTE pad1; + DWORD fptr; /* File read/write pointer (0ed on file open) */ + DWORD fsize; /* File size */ + DWORD sclust; /* File data start cluster (0:no data cluster, always 0 when fsize is 0) */ + DWORD clust; /* Current cluster of fpter */ + DWORD dsect; /* Current data sector of fpter */ +#if !_FS_READONLY + DWORD dir_sect; /* Sector containing the directory entry */ + BYTE* dir_ptr; /* Pointer to the directory entry in the window */ +#endif +#if _USE_FASTSEEK + DWORD* cltbl; /* Pointer to the cluster link map table (null on file open) */ +#endif +#if _FS_LOCK + UINT lockid; /* File lock ID (index of file semaphore table Files[]) */ +#endif +#if !_FS_TINY + BYTE buf[_MAX_SS]; /* File data read/write buffer */ +#endif +} FIL; + + + +/* Directory object structure (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 +} FATFS_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 */ + UINT lfsize; /* Size of LFN buffer in TCHAR */ +#endif +} FILINFO; + + + +/* File function return code (FRESULT) */ + +typedef enum { + FR_OK = 0, /* (0) Succeeded */ + FR_DISK_ERR, /* (1) A hard error occurred in the low level disk I/O layer */ + FR_INT_ERR, /* (2) Assertion failed */ + FR_NOT_READY, /* (3) The physical drive cannot work */ + FR_NO_FILE, /* (4) Could not find the file */ + FR_NO_PATH, /* (5) Could not find the path */ + FR_INVALID_NAME, /* (6) The path name format is invalid */ + FR_DENIED, /* (7) Access denied due to prohibited access or directory full */ + FR_EXIST, /* (8) Access denied due to prohibited access */ + FR_INVALID_OBJECT, /* (9) The file/directory object is invalid */ + FR_WRITE_PROTECTED, /* (10) The physical drive is write protected */ + FR_INVALID_DRIVE, /* (11) The logical drive number is invalid */ + FR_NOT_ENABLED, /* (12) The volume has no work area */ + FR_NO_FILESYSTEM, /* (13) There is no valid FAT volume */ + FR_MKFS_ABORTED, /* (14) The f_mkfs() aborted due to any 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 sharing 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 */ + FR_INVALID_PARAMETER /* (19) Given parameter is invalid */ +} FRESULT; + + + +/*--------------------------------------------------------------*/ +/* FatFs module application interface */ + +FRESULT f_mount (BYTE, FATFS*); /* Mount/Unmount a logical drive */ +FRESULT f_open (FIL*, const TCHAR*, BYTE); /* Open or create a file */ +FRESULT f_read (FIL*, void*, UINT, UINT*); /* Read data from a file */ +FRESULT f_lseek (FIL*, DWORD); /* Move file pointer of a file object */ +FRESULT f_close (FIL*); /* Close an open file object */ +FRESULT f_opendir (FATFS_DIR*, const TCHAR*); /* Open an existing directory */ +FRESULT f_readdir (FATFS_DIR*, FILINFO*); /* Read a directory item */ +FRESULT f_stat (const TCHAR*, FILINFO*); /* Get file status */ +FRESULT f_write (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 (FIL*); /* Truncate file */ +FRESULT f_sync (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 attribute of the file/dir */ +FRESULT f_utime (const TCHAR*, const FILINFO*); /* Change times-tamp of the file/dir */ +FRESULT f_rename (const TCHAR*, const TCHAR*); /* Rename/Move a file or directory */ +FRESULT f_chdrive (BYTE); /* Change current drive */ +FRESULT f_chdir (const TCHAR*); /* Change current directory */ +FRESULT f_getcwd (TCHAR*, UINT); /* Get current directory */ +FRESULT f_forward (FIL*, UINT(*)(const BYTE*,UINT), UINT, UINT*); /* Forward data to the stream */ +FRESULT f_mkfs (BYTE, BYTE, UINT); /* Create a file system on the drive */ +FRESULT f_fdisk (BYTE, const DWORD[], void*); /* Divide a physical drive into some partitions */ +int f_putc (TCHAR, FIL*); /* Put a character to the file */ +int f_puts (const TCHAR*, FIL*); /* Put a string to the file */ +int f_printf (FIL*, const TCHAR*, ...); /* Put a formatted string to the file */ +TCHAR* f_gets (TCHAR*, int, 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) +#define f_tell(fp) ((fp)->fptr) +#define f_size(fp) ((fp)->fsize) + +#ifndef EOF +#define EOF (-1) +#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_req_grant (_SYNC_t); /* Lock sync object */ +void ff_rel_grant (_SYNC_t); /* Unlock sync object */ +int ff_del_syncobj (_SYNC_t); /* Delete a 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 feature */ +#define CREATE_LINKMAP 0xFFFFFFFF + + + +/*--------------------------------*/ +/* 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 */
--- /dev/null Thu Jan 01 00:00:00 1970 +0000 +++ b/fat/ChaN/ffconf.h Sat Feb 15 10:15:42 2014 +0000 @@ -0,0 +1,191 @@ +/*---------------------------------------------------------------------------/ +/ FatFs - FAT file system module configuration file R0.09a (C)ChaN, 2012 +/----------------------------------------------------------------------------/ +/ +/ CAUTION! Do not forget to make clean the project after any changes to +/ the configuration options. +/ +/----------------------------------------------------------------------------*/ +#ifndef _FFCONF +#define _FFCONF 4004 /* Revision ID */ + +#define FFS_DBG 0 + +/*---------------------------------------------------------------------------/ +/ Functions 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 to 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 1. +/ 3: f_lseek is removed in addition to 2. */ + + +#define _USE_STRFUNC 0 /* 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 858 +/* 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 feature. _MAX_LFN and _LFN_UNICODE have no effect. +/ 1: Enable LFN with static working buffer on the BSS. Always 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. To 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 to 2 */ +/* The _FS_RPATH option configures relative path feature. +/ +/ 0: Disable relative path feature and remove related functions. +/ 1: Enable relative path. f_chdrive() and f_chdir() are available. +/ 2: f_getcwd() is available in addition to 1. +/ +/ Note that output of the f_readdir fnction is affected by this option. */ + + + +/*---------------------------------------------------------------------------/ +/ Physical Drive Configurations +/----------------------------------------------------------------------------*/ + +#define _VOLUMES 1 +/* 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 on-board flash memory, floppy disk and optical disk. +/ When _MAX_SS is larger than 512, it configures FatFs to variable sector size +/ and GET_SECTOR_SIZE command must be implememted to the disk_ioctl function. */ + + +#define _MULTI_PARTITION 0 /* 0:Single partition, 1/2:Enable multiple partition */ +/* When set to 0, each volume is bound to the same physical drive number and +/ it can mount only first primaly partition. When it is set to 1, each volume +/ is tied to the partitions listed in VolToPart[]. */ + + +#define _USE_ERASE 0 /* 0:Disable or 1:Enable */ +/* To enable sector erase feature, set _USE_ERASE to 1. CTRL_ERASE_SECTOR command +/ should be added to the disk_ioctl functio. */ + + + +/*---------------------------------------------------------------------------/ +/ 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. +*/ + + +/* A header file that defines sync object types on the O/S, such as +/ windows.h, ucos_ii.h and semphr.h, must be included prior to ff.h. */ + +#define _FS_REENTRANT 0 /* 0:Disable or 1:Enable */ +#define _FS_TIMEOUT 1000 /* 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.. */ + +/* The _FS_REENTRANT option switches the reentrancy (thread safe) 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_LOCK 0 /* 0:Disable or >=1:Enable */ +/* To enable file lock control feature, set _FS_LOCK to 1 or greater. + The value defines how many files can be opened simultaneously. */ + + +#endif /* _FFCONFIG */
--- /dev/null Thu Jan 01 00:00:00 1970 +0000 +++ b/fat/ChaN/integer.h Sat Feb 15 10:15:42 2014 +0000 @@ -0,0 +1,37 @@ +/*-------------------------------------------*/ +/* Integer type definitions for FatFs module */ +/*-------------------------------------------*/ + +#ifndef _INTEGER +#define _INTEGER + +#ifdef _WIN32 /* FatFs development platform */ + +#include <windows.h> +#include <tchar.h> + +#else /* Embedded platform */ + +/* 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; + +#endif + +#endif
--- /dev/null Thu Jan 01 00:00:00 1970 +0000 +++ b/fat/FATDirHandle.cpp Sat Feb 15 10:15:42 2014 +0000 @@ -0,0 +1,80 @@ +/* mbed Microcontroller Library + * Copyright (c) 2006-2012 ARM Limited + * + * Permission is hereby granted, free of charge, to any person obtaining a copy + * of this software and associated documentation files (the "Software"), to deal + * in the Software without restriction, including without limitation the rights + * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell + * copies of the Software, and to permit persons to whom the Software is + * furnished to do so, subject to the following conditions: + * + * The above copyright notice and this permission notice shall be included in + * all copies or substantial portions of the Software. + * + * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR + * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, + * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE + * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER + * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, + * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE + * SOFTWARE. + */ +#include <string.h> +#include "ff.h" +#include "FATDirHandle.h" + +using namespace mbed; + +FATDirHandle::FATDirHandle(const FATFS_DIR &the_dir) { + dir = the_dir; +} + +int FATDirHandle::closedir() { + delete this; + return 0; +} +FILINFO FATDirHandle_finfo; + +struct dirent *FATDirHandle::readdir() { + FILINFO finfo; + +#if _USE_LFN + finfo.lfname = cur_entry.d_name; + finfo.lfsize = sizeof(cur_entry.d_name); +#endif // _USE_LFN + + FRESULT res = f_readdir(&dir, &finfo); + FATDirHandle_finfo = finfo; + +#if _USE_LFN + if(res != 0 || finfo.fname[0]==0) { + return NULL; + } else { + if(cur_entry.d_name[0]==0) { + // No long filename so use short filename. + memcpy(cur_entry.d_name, finfo.fname, sizeof(finfo.fname)); + } + return &cur_entry; + } +#else + if(res != 0 || finfo.fname[0]==0) { + return NULL; + } else { + memcpy(cur_entry.d_name, finfo.fname, sizeof(finfo.fname)); + return &cur_entry; + } +#endif /* _USE_LFN */ +} + +void FATDirHandle::rewinddir() { + dir.index = 0; +} + +off_t FATDirHandle::telldir() { + return dir.index; +} + +void FATDirHandle::seekdir(off_t location) { + dir.index = location; +} +
--- /dev/null Thu Jan 01 00:00:00 1970 +0000 +++ b/fat/FATDirHandle.h Sat Feb 15 10:15:42 2014 +0000 @@ -0,0 +1,45 @@ +/* mbed Microcontroller Library + * Copyright (c) 2006-2012 ARM Limited + * + * Permission is hereby granted, free of charge, to any person obtaining a copy + * of this software and associated documentation files (the "Software"), to deal + * in the Software without restriction, including without limitation the rights + * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell + * copies of the Software, and to permit persons to whom the Software is + * furnished to do so, subject to the following conditions: + * + * The above copyright notice and this permission notice shall be included in + * all copies or substantial portions of the Software. + * + * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR + * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, + * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE + * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER + * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, + * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE + * SOFTWARE. + */ +#ifndef MBED_FATDIRHANDLE_H +#define MBED_FATDIRHANDLE_H + +#include "DirHandle.h" + +using namespace mbed; + +class FATDirHandle : public DirHandle { + + public: + FATDirHandle(const FATFS_DIR &the_dir); + virtual int closedir(); + virtual struct dirent *readdir(); + virtual void rewinddir(); + virtual off_t telldir(); + virtual void seekdir(off_t location); + + private: + FATFS_DIR dir; + struct dirent cur_entry; + +}; + +#endif
--- /dev/null Thu Jan 01 00:00:00 1970 +0000 +++ b/fat/FATFileHandle.cpp Sat Feb 15 10:15:42 2014 +0000 @@ -0,0 +1,90 @@ +/* mbed Microcontroller Library + * Copyright (c) 2006-2012 ARM Limited + * + * Permission is hereby granted, free of charge, to any person obtaining a copy + * of this software and associated documentation files (the "Software"), to deal + * in the Software without restriction, including without limitation the rights + * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell + * copies of the Software, and to permit persons to whom the Software is + * furnished to do so, subject to the following conditions: + * + * The above copyright notice and this permission notice shall be included in + * all copies or substantial portions of the Software. + * + * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR + * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, + * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE + * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER + * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, + * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE + * SOFTWARE. + */ +#include "ff.h" +#include "ffconf.h" +#include "mbed_debug.h" + +#include "FATFileHandle.h" + +FATFileHandle::FATFileHandle(FIL fh) { + _fh = fh; +} + +int FATFileHandle::close() { + int retval = f_close(&_fh); + delete this; + return retval; +} + +ssize_t FATFileHandle::write(const void* buffer, size_t length) { + UINT n; + FRESULT res = f_write(&_fh, buffer, length, &n); + if (res) { + debug_if(FFS_DBG, "f_write() failed: %d", res); + return -1; + } + return n; +} + +ssize_t FATFileHandle::read(void* buffer, size_t length) { + debug_if(FFS_DBG, "read(%d)\n", length); + UINT n; + FRESULT res = f_read(&_fh, buffer, length, &n); + if (res) { + debug_if(FFS_DBG, "f_read() failed: %d\n", res); + return -1; + } + return n; +} + +int FATFileHandle::isatty() { + return 0; +} + +off_t FATFileHandle::lseek(off_t position, int whence) { + if (whence == SEEK_END) { + position += _fh.fsize; + } else if(whence==SEEK_CUR) { + position += _fh.fptr; + } + FRESULT res = f_lseek(&_fh, position); + if (res) { + debug_if(FFS_DBG, "lseek failed: %d\n", res); + return -1; + } else { + debug_if(FFS_DBG, "lseek OK, returning %i\n", _fh.fptr); + return _fh.fptr; + } +} + +int FATFileHandle::fsync() { + FRESULT res = f_sync(&_fh); + if (res) { + debug_if(FFS_DBG, "f_sync() failed: %d\n", res); + return -1; + } + return 0; +} + +off_t FATFileHandle::flen() { + return _fh.fsize; +}
--- /dev/null Thu Jan 01 00:00:00 1970 +0000 +++ b/fat/FATFileHandle.h Sat Feb 15 10:15:42 2014 +0000 @@ -0,0 +1,47 @@ +/* mbed Microcontroller Library + * Copyright (c) 2006-2012 ARM Limited + * + * Permission is hereby granted, free of charge, to any person obtaining a copy + * of this software and associated documentation files (the "Software"), to deal + * in the Software without restriction, including without limitation the rights + * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell + * copies of the Software, and to permit persons to whom the Software is + * furnished to do so, subject to the following conditions: + * + * The above copyright notice and this permission notice shall be included in + * all copies or substantial portions of the Software. + * + * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR + * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, + * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE + * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER + * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, + * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE + * SOFTWARE. + */ +#ifndef MBED_FATFILEHANDLE_H +#define MBED_FATFILEHANDLE_H + +#include "FileHandle.h" + +using namespace mbed; + +class FATFileHandle : public FileHandle { +public: + + FATFileHandle(FIL fh); + virtual int close(); + virtual ssize_t write(const void* buffer, size_t length); + virtual ssize_t read(void* buffer, size_t length); + virtual int isatty(); + virtual off_t lseek(off_t position, int whence); + virtual int fsync(); + virtual off_t flen(); + +protected: + + FIL _fh; + +}; + +#endif
--- /dev/null Thu Jan 01 00:00:00 1970 +0000 +++ b/fat/FATFileSystem.cpp Sat Feb 15 10:15:42 2014 +0000 @@ -0,0 +1,132 @@ +/* mbed Microcontroller Library + * Copyright (c) 2006-2012 ARM Limited + * + * Permission is hereby granted, free of charge, to any person obtaining a copy + * of this software and associated documentation files (the "Software"), to deal + * in the Software without restriction, including without limitation the rights + * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell + * copies of the Software, and to permit persons to whom the Software is + * furnished to do so, subject to the following conditions: + * + * The above copyright notice and this permission notice shall be included in + * all copies or substantial portions of the Software. + * + * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR + * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, + * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE + * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER + * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, + * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE + * SOFTWARE. + */ +#include "mbed.h" + +#include "ffconf.h" +#include "mbed_debug.h" + +#include "FATFileSystem.h" +#include "FATFileHandle.h" +#include "FATDirHandle.h" + +DWORD get_fattime(void) { + time_t rawtime; + time(&rawtime); + struct tm *ptm = localtime(&rawtime); + return (DWORD)(ptm->tm_year - 80) << 25 + | (DWORD)(ptm->tm_mon + 1 ) << 21 + | (DWORD)(ptm->tm_mday ) << 16 + | (DWORD)(ptm->tm_hour ) << 11 + | (DWORD)(ptm->tm_min ) << 5 + | (DWORD)(ptm->tm_sec/2 ); +} + +FATFileSystem *FATFileSystem::_ffs[_VOLUMES] = {0}; + +FATFileSystem::FATFileSystem(const char* n) : FileSystemLike(n) { + debug_if(FFS_DBG, "FATFileSystem(%s)\n", n); + for(int i=0; i<_VOLUMES; i++) { + if(_ffs[i] == 0) { + _ffs[i] = this; + _fsid = i; + debug_if(FFS_DBG, "Mounting [%s] on ffs drive [%d]\n", _name, _fsid); + f_mount(i, &_fs); + return; + } + } + error("Couldn't create %s in FATFileSystem::FATFileSystem\n", n); +} + +FATFileSystem::~FATFileSystem() { + for (int i=0; i<_VOLUMES; i++) { + if (_ffs[i] == this) { + _ffs[i] = 0; + f_mount(i, NULL); + } + } +} + +FileHandle *FATFileSystem::open(const char* name, int flags) { + debug_if(FFS_DBG, "open(%s) on filesystem [%s], drv [%d]\n", name, _name, _fsid); + char n[64]; + sprintf(n, "%d:/%s", _fsid, name); + + /* POSIX flags -> FatFS open mode */ + BYTE openmode; + if (flags & O_RDWR) { + openmode = FA_READ|FA_WRITE; + } else if(flags & O_WRONLY) { + openmode = FA_WRITE; + } else { + openmode = FA_READ; + } + if(flags & O_CREAT) { + if(flags & O_TRUNC) { + openmode |= FA_CREATE_ALWAYS; + } else { + openmode |= FA_OPEN_ALWAYS; + } + } + + FIL fh; + FRESULT res = f_open(&fh, n, openmode); + if (res) { + debug_if(FFS_DBG, "f_open('w') failed: %d\n", res); + return NULL; + } + if (flags & O_APPEND) { + f_lseek(&fh, fh.fsize); + } + return new FATFileHandle(fh); +} + +int FATFileSystem::remove(const char *filename) { + FRESULT res = f_unlink(filename); + if (res) { + debug_if(FFS_DBG, "f_unlink() failed: %d\n", res); + return -1; + } + return 0; +} + +int FATFileSystem::format() { + FRESULT res = f_mkfs(_fsid, 0, 512); // Logical drive number, Partitioning rule, Allocation unit size (bytes per cluster) + if (res) { + debug_if(FFS_DBG, "f_mkfs() failed: %d\n", res); + return -1; + } + return 0; +} + +DirHandle *FATFileSystem::opendir(const char *name) { + FATFS_DIR dir; + FRESULT res = f_opendir(&dir, name); + if (res != 0) { + return NULL; + } + return new FATDirHandle(dir); +} + +int FATFileSystem::mkdir(const char *name, mode_t mode) { + FRESULT res = f_mkdir(name); + return res == 0 ? 0 : -1; +}
--- /dev/null Thu Jan 01 00:00:00 1970 +0000 +++ b/fat/FATFileSystem.h Sat Feb 15 10:15:42 2014 +0000 @@ -0,0 +1,57 @@ +/* mbed Microcontroller Library + * Copyright (c) 2006-2012 ARM Limited + * + * Permission is hereby granted, free of charge, to any person obtaining a copy + * of this software and associated documentation files (the "Software"), to deal + * in the Software without restriction, including without limitation the rights + * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell + * copies of the Software, and to permit persons to whom the Software is + * furnished to do so, subject to the following conditions: + * + * The above copyright notice and this permission notice shall be included in + * all copies or substantial portions of the Software. + * + * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR + * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, + * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE + * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER + * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, + * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE + * SOFTWARE. + */ +#ifndef MBED_FATFILESYSTEM_H +#define MBED_FATFILESYSTEM_H + +#include "FileSystemLike.h" +#include "FileHandle.h" +#include "ff.h" +#include <stdint.h> + +using namespace mbed; + +class FATFileSystem : public FileSystemLike { +public: + + FATFileSystem(const char* n); + virtual ~FATFileSystem(); + + static FATFileSystem * _ffs[_VOLUMES]; // FATFileSystem objects, as parallel to FatFs drives array + FATFS _fs; // Work area (file system object) for logical drive + int _fsid; + + virtual FileHandle *open(const char* name, int flags); + virtual int remove(const char *filename); + virtual int format(); + virtual DirHandle *opendir(const char *name); + virtual int mkdir(const char *name, mode_t mode); + + virtual int disk_initialize() { return 0; } + virtual int disk_status() { return 0; } + virtual int disk_read(uint8_t * buffer, uint64_t sector) = 0; + virtual int disk_write(const uint8_t * buffer, uint64_t sector) = 0; + virtual int disk_sync() { return 0; } + virtual uint64_t disk_sectors() = 0; + +}; + +#endif
--- /dev/null Thu Jan 01 00:00:00 1970 +0000 +++ b/main.cpp Sat Feb 15 10:15:42 2014 +0000 @@ -0,0 +1,74 @@ +#include "RamDisk.h" +#include "Storage.h" +#include "BaseLpcIsp.h" +#include "SLCD.h" + +DigitalOut led_sw(PTD5); +DigitalOut led_tx(PTE29); +#define LED_ON 0 +#define LED_OFF 1 + +InterruptIn sw1(SW1); +InterruptIn sw3(SW3); +RawSerial pc(USBTX,USBRX); +SLCD slcd; + +class lpc81isp : public BaseLpcIsp { +public: + lpc81isp(PinName txd, PinName rxd, PinName reset, PinName isp):BaseLpcIsp(txd, rxd, reset, isp){} + virtual void infoLED(int select, int value) { + switch(select) { + case LED_TX: led_tx = value ? LED_ON : LED_OFF; break; + } + } + virtual void infoSLCD(const char* s) { slcd.puts(s); } +} lpc(PTE22, PTE23, PTB0, PTB1); // TX,RX,nRESET,nISP + +__IO bool write_start = false; +void swIRQ() { + led_sw = LED_ON; + wait_ms(100); + led_sw = LED_OFF; + write_start = true; +} + +int main() { + pc.baud(9600); + pc.printf("%s", __FILE__); + led_sw = LED_OFF; + led_tx = LED_OFF; + + sw1.rise(swIRQ); + sw3.rise(swIRQ); + + RamDisk* ramdisk = new RamDisk; + USBStorage* usb = new USBStorage(ramdisk); + LocalStorage* local = NULL; + slcd.puts("REDY"); + write_start = false; + while(1) { + if (write_start) { + if (local) { + delete local; + } + local = new LocalStorage(ramdisk); + mystring filename; + if (LocalStorage::find_bin(filename)) { + pc.printf("bin filename=[%s]\n", filename.c_str()); + lpc.baud(9600); + lpc.Reset(true); // ISP mode + lpc.Sync(); + lpc.FlashWrite(filename.c_str()); + lpc.Reset(false); // Reset + } + write_start = false; + } + if (pc.readable()) { + switch(pc.getc()) { + case 'd': ramdisk->dump(0); break; + case 'D': ramdisk->dump(1); break; + case 'w': write_start = true; break; + } + } + } +}
--- /dev/null Thu Jan 01 00:00:00 1970 +0000 +++ b/mbed.bld Sat Feb 15 10:15:42 2014 +0000 @@ -0,0 +1,1 @@ +http://mbed.org/users/mbed_official/code/mbed/builds/869cf507173a \ No newline at end of file
--- /dev/null Thu Jan 01 00:00:00 1970 +0000 +++ b/src/BaseLpcIsp.cpp Sat Feb 15 10:15:42 2014 +0000 @@ -0,0 +1,258 @@ +#include "BaseLpcIsp.h" +#include <algorithm> + +#if (DEBUG2 > 3) +#define ISP_DBG(...) do{fprintf(stderr,"[%s@%d] ",__PRETTY_FUNCTION__,__LINE__);fprintf(stderr,__VA_ARGS__);fprintf(stderr,"\r\n");} while(0); +#else +#define ISP_DBG(...) while(0); +#endif + +#define ISP_ERR() isp_error(__LINE__) + +#define RAM 0x10000300 +#define ROM_SIZE 0x10000 + +void BaseLpcIsp::Reset(bool isp) +{ + _nisp = isp ? 0 : 1; + _nreset = 0; + wait_ms(50); + _nreset = 1; + wait_ms(100); +} + +bool BaseLpcIsp::Sync() +{ + putc('?'); + if (waitln("Synchronized")) { // Synchronized + sendln("Synchronized"); + if (waitln("OK")) { + sendln("14748"); + if (waitln("OK")) { + if (_cmd("A 0")) { // echo off + return true; + } + } + } + } + ISP_ERR(); + return false; +} + +bool BaseLpcIsp::_cmd(const char* format, ...) +{ + char buf[128]; + va_list args; + va_start(args, format); + vsprintf(buf, format, args); + va_end(args); + sendln(buf); + + if (waitln("0")) { // CMD_SUCCESS ? + return true; + } + ISP_ERR(); + return false; +} + +void BaseLpcIsp::sendln(const char* s) +{ + infoLED(LED_TX, tx_sw++ & 1); + ISP_DBG("send:[%s]", s); + puts(s); + puts(CRLF); +} + +bool BaseLpcIsp::waitln(const char* s) +{ + char buf[64]; + while(recvln(buf, sizeof(buf))) { + if (strcmp(buf, s) == 0) { + ISP_DBG("recv:[%s]", buf); + return true; + } + ISP_DBG("skip:[%s]", buf); + } + ISP_ERR(); + return false; +} + +bool BaseLpcIsp::recvln(mystring& s) +{ + Timer t; + t.reset(); + t.start(); + while(t.read_ms() < 900) { + if (readable()) { + int c = getc(); + if (c == LF) { + return true; + } else if (c >= ' ') { + s.append(c); + } + } + } + ISP_ERR(); + return false; +} + +bool BaseLpcIsp::recvln(char* buf, int size) +{ + Timer t; + t.reset(); + t.start(); + int pos = 0; + while(t.read_ms() < 900) { + if (readable()) { + int c = getc(); + if (c == LF) { + buf[pos] = '\0'; + return true; + } else if (c >= ' ') { + if (pos < size-1) { + buf[pos++] = c; + } + } + } + } + return false; +} + +bool BaseLpcIsp::FlashWrite(const char* filename) +{ + infoLED(LED_TX, 0); + if (!_cmd("J")) { + return false; + } + char lineBuf[16]; + if (!recvln(lineBuf, sizeof(lineBuf))) { + ISP_ERR(); + return false; + } + ISP_DBG("recv:[%s]", lineBuf); + + part_code = strtoul(lineBuf, NULL, 10); + if (part_code >= 0x8100 && part_code <= 0x81ff) { // LPC8XX + chunk_size = 64; + sector_size = 1024; + plan_binary = true; + infoSLCD("810 "); + } else { + chunk_size = 256; + sector_size = 4096; + plan_binary = false; + infoSLCD("1114"); + } + + if (!_cmd("U 23130")) { // Unlock + ISP_ERR(); + return false; + } + + FILE* fp = fopen(filename, "rb"); + if (fp == NULL) { + ISP_ERR(); + return false; + } + + int bin_size = 0; + Timer t; + t.reset(); + t.start(); + uint8_t buf[chunk_size]; + int sector = 0; + bool result = false; + for(int addr = 0; addr < ROM_SIZE; addr += sizeof(buf)) { + if (feof(fp)) { + result = true; + break; + } + fread(buf, sizeof(buf), 1, fp); + if (!_patch(addr, buf, sizeof(buf))) { + break; + } + bin_size += sizeof(buf); + if (!_write_to_ram(RAM, buf, sizeof(buf))) { + break; + } + if ((addr % sector_size) == 0) { + sector = addr / sector_size; + if (!_cmd("P %u %u", sector, sector)) { + break; + } + if (!_cmd("E %u %u", sector, sector)) { // Erase + break; + } + if (!_cmd("I %u %u", sector, sector)) { // Blank check + break; + } + } + if (!_cmd("P %u %u", sector, sector)) { + break; + } + if (!_cmd("C %u %u %u", addr, RAM, sizeof(buf))) { // copy + break; + } + if (!_cmd("M %u %u %u", addr, RAM, sizeof(buf))) { // compare + break; + } + } + fclose(fp); + infoLED(LED_TX, 0); + if (result) { + t.stop(); + ISP_DBG("bin size: %d bytes, %d ms, %d bytes/sec", + bin_size, t.read_ms(), bin_size*1000/t.read_ms()); + infoSLCD("OK "); + } + return result; +} + +extern void uuencode(const void* src, int srcsize, char* dst); //utils.cpp + +bool BaseLpcIsp::_write_to_ram(int addr, uint8_t* buf, int size) +{ + if (!_cmd("W %u %u", addr, size)) { + return false; + } + if (plan_binary) { + for(int i = 0; i < size; i++) { + _target.putc(buf[i]); + } + return true; + } + int sum = 0; + int line = 0; + for(int n = 0; n < size; n += 45) { + char tmp[61+1]; + int size2 = std::min(45, size - n); + uuencode(buf+n, size2, tmp); + sendln(tmp); + for(int i = 0; i < size2; i++) { + sum += buf[n+i]; + } + if (++line >= 20 || (n + size2) >= size) { + snprintf(tmp, sizeof(tmp), "%u", sum); + sendln(tmp); + if (!waitln("OK")) { + return false; + } + line = 0; + sum = 0; + } + } + return true; +} + +bool BaseLpcIsp::_patch(int addr, uint8_t* buf, int size) +{ + const int crp_start = 0x2fc; // Code Read Protection location + if (crp_start >= addr && crp_start < addr+size) { + uint32_t pat = *reinterpret_cast<uint32_t*>(crp_start-addr+buf); + if (pat != 0xffffffff) { // NO_CRP ? + ISP_ERR(); + return false; + } + } + return true; +}
--- /dev/null Thu Jan 01 00:00:00 1970 +0000 +++ b/src/BaseLpcIsp.h Sat Feb 15 10:15:42 2014 +0000 @@ -0,0 +1,78 @@ +#pragma once + +#include "mbed.h" +#include <stdarg.h> +#include "mystring.h" + +#define LF '\n' +#define CRLF "\r\n" + +#define LED_TX 0 + +class BaseLpcIsp { +public: + BaseLpcIsp(PinName txd, PinName rxd, PinName reset, PinName isp): + _target(txd, rxd),_nreset(reset),_nisp(isp) { + _wpos = _rpos = 0; + _target.attach<BaseLpcIsp>(this, &BaseLpcIsp::callback); + }; + void Reset(bool isp); + bool Sync(); + bool FlashWrite(const char* filename); + + void baud(int baudrate) { _target.baud(baudrate); } + int putc(int c) { return _target.putc(c); } + int readable() { return (_wpos != _rpos) ? 1 : 0; } + int getc() { + if (readable()) { + int c = _buf[_rpos++]; + if (_rpos >= sizeof(_buf)) { + _rpos = 0; + } + return c; + } + return -1; + } + int puts(const char *str) { + while(*str) { + putc(*str++); + } + return 0; + } + +protected: + uint32_t part_code; + int chunk_size; + int sector_size; + bool plan_binary; + virtual void infoLED(int select, int value) {} + virtual void infoSLCD(const char* s) {} + +private: + void isp_error(int line) { + char buf[5]; + snprintf(buf, sizeof(buf), "E%3d", line); + infoSLCD(buf); + } + bool _cmd(const char* format, ...); + void sendln(const char* s); + bool waitln(const char* s); + bool recvln(char* buf, int size); + bool recvln(mystring& s); + bool _write_to_ram(int addr, uint8_t* buf, int size); + bool _patch(int addr, uint8_t* buf, int size); + RawSerial _target; + char _buf[64]; + __IO int _wpos; + int _rpos; + void callback() { + int c = _target.getc(); + _buf[_wpos++] = c; + if (_wpos >= sizeof(_buf)) { + _wpos = 0; + } + } + uint8_t tx_sw; + DigitalOut _nreset; + DigitalOut _nisp; +};
--- /dev/null Thu Jan 01 00:00:00 1970 +0000 +++ b/src/RamDisk.cpp Sat Feb 15 10:15:42 2014 +0000 @@ -0,0 +1,120 @@ +#include "RamDisk.h" + +#if (DEBUG2 > 3) +#define RAMDISK_DBG(...) do{fprintf(stderr,"[%s@%d] ",__PRETTY_FUNCTION__,__LINE__);fprintf(stderr,__VA_ARGS__);fprintf(stderr,"\r\n");} while(0); +#else +#define RAMDISK_DBG(...) +#endif + +RamDisk::RamDisk() +{ + format(); + _sectors = 128; // 128*512 64Kbytes +} + +/* virtual */ int RamDisk::storage_initialize() +{ + return 0; +} + +/* virtual */ uint32_t RamDisk::storage_sectors() +{ + return _sectors; +} + +/* virtual */ uint32_t RamDisk::storage_size() +{ + return _sectors * 512; +} + +/* virtual */ int RamDisk::storage_status() +{ + return 0; +} + +/* virtual */ int RamDisk::storage_read(uint8_t * data, uint32_t block) +{ + RAMDISK_DBG("R block=%d", block); + memset(data, 0x00, 512); + if (_sector_image.count(block) > 0) { + uint8_t* buf = _sector_image[block]; + int size = buf[0]|(buf[1]<<8); + memcpy(data, buf + 2, size); + } + return 0; +} + +bool is_romdata(uint8_t* data) +{ + return data < (uint8_t*)0x1ffff000; +} + +static int block_size(const uint8_t* data) +{ + for(int i = 512-1; i >= 0; i--) { + if (data[i] != 0x00) { + return i+1; + } + } + return 0; +} + +/* virtual */ int RamDisk::storage_write(const uint8_t * data, uint32_t block) +{ + int size = block_size(data); + if (_sector_image.count(block) > 0) { + uint8_t* buf = _sector_image[block]; + if (!is_romdata(buf)) { + free(buf); + } + buf = (uint8_t*)malloc(size + 2); + if (buf == NULL) { + RAMDISK_DBG("DISK FULL"); + exit(1); + return 1; + } + _sector_image[block] = buf; + buf[0] = size; + buf[1] = size>>8; + memcpy(buf + 2, data, size); + RAMDISK_DBG("W block=%d size=%d", (int)block, size); + } else if (size > 0) { + uint8_t* buf = (uint8_t*)malloc(size + 2); + if (buf == NULL) { + RAMDISK_DBG("DISK FULL"); + exit(1); + return 1; + } + _sector_image[block] = (uint8_t*)buf; + buf[0] = size; + buf[1] = size>>8; + + memcpy(buf + 2, data, size); + RAMDISK_DBG("W block=%d size=%d NEW %d", (int)block, size, _sector_image.size()); + } else { + RAMDISK_DBG("W block=%d BLANK", (int)block); + } + return 0; +} + +void RamDisk::dump(int mode) +{ + printf("static const uint8_t block_image[] = { // %d blocks\n", _sector_image.size()); + for(int i = 0; i < _sector_image.size(); i++) { + int block = _sector_image.getKey(i); + uint8_t* buf = _sector_image[block]; + int size = buf[0]|(buf[1]<<8); + printf("0x%02x,0x%02x,0x%02x, // block=%d, size=%d\n", + block, buf[0], buf[1], block, size); + if (mode == 1) { + for(int j = 0; j < size; j++) { + printf("0x%02x,", buf[j+2]); + if ((j % 16) == 15 || j == size-1) { + printf("\n"); + } + } + } + } + printf("0xff};\n"); +} +
--- /dev/null Thu Jan 01 00:00:00 1970 +0000 +++ b/src/RamDisk.h Sat Feb 15 10:15:42 2014 +0000 @@ -0,0 +1,21 @@ +#include "mbed.h" +#include "StorageInterface.h" +#include "mymap.h" + +class RamDisk : public StorageInterface { +public: + RamDisk(); + virtual int storage_read(uint8_t* data, uint32_t block); + virtual int storage_write(const uint8_t* data, uint32_t block); + virtual int storage_initialize(); + virtual uint32_t storage_sectors(); + virtual uint32_t storage_size(); + virtual int storage_status(); + + void dump(int mode); + +private: + void format(); + int _sectors; + mymap<int,uint8_t*>_sector_image; +};
--- /dev/null Thu Jan 01 00:00:00 1970 +0000 +++ b/src/RamDiskFormat.cpp Sat Feb 15 10:15:42 2014 +0000 @@ -0,0 +1,82 @@ +#if 1 +#include "RamDisk.h" + +static const uint8_t block_image[] = { // 5 blocks +0x00,0x00,0x02, // block=0, size=512 +0xeb,0x3c,0x90,0x4d,0x53,0x44,0x4f,0x53,0x35,0x2e,0x30,0x00,0x02,0x01,0x06,0x00, +0x02,0x00,0x02,0x80,0x00,0xf8,0x01,0x00,0x01,0x00,0x01,0x00,0x00,0x00,0x00,0x00, +0x00,0x00,0x00,0x00,0x00,0x00,0x29,0xca,0xf4,0x10,0x94,0x4e,0x4f,0x20,0x4e,0x41, +0x4d,0x45,0x20,0x20,0x20,0x20,0x46,0x41,0x54,0x31,0x32,0x20,0x20,0x20,0x33,0xc9, +0x8e,0xd1,0xbc,0xf0,0x7b,0x8e,0xd9,0xb8,0x00,0x20,0x8e,0xc0,0xfc,0xbd,0x00,0x7c, +0x38,0x4e,0x24,0x7d,0x24,0x8b,0xc1,0x99,0xe8,0x3c,0x01,0x72,0x1c,0x83,0xeb,0x3a, +0x66,0xa1,0x1c,0x7c,0x26,0x66,0x3b,0x07,0x26,0x8a,0x57,0xfc,0x75,0x06,0x80,0xca, +0x02,0x88,0x56,0x02,0x80,0xc3,0x10,0x73,0xeb,0x33,0xc9,0x8a,0x46,0x10,0x98,0xf7, +0x66,0x16,0x03,0x46,0x1c,0x13,0x56,0x1e,0x03,0x46,0x0e,0x13,0xd1,0x8b,0x76,0x11, +0x60,0x89,0x46,0xfc,0x89,0x56,0xfe,0xb8,0x20,0x00,0xf7,0xe6,0x8b,0x5e,0x0b,0x03, +0xc3,0x48,0xf7,0xf3,0x01,0x46,0xfc,0x11,0x4e,0xfe,0x61,0xbf,0x00,0x00,0xe8,0xe6, +0x00,0x72,0x39,0x26,0x38,0x2d,0x74,0x17,0x60,0xb1,0x0b,0xbe,0xa1,0x7d,0xf3,0xa6, +0x61,0x74,0x32,0x4e,0x74,0x09,0x83,0xc7,0x20,0x3b,0xfb,0x72,0xe6,0xeb,0xdc,0xa0, +0xfb,0x7d,0xb4,0x7d,0x8b,0xf0,0xac,0x98,0x40,0x74,0x0c,0x48,0x74,0x13,0xb4,0x0e, +0xbb,0x07,0x00,0xcd,0x10,0xeb,0xef,0xa0,0xfd,0x7d,0xeb,0xe6,0xa0,0xfc,0x7d,0xeb, +0xe1,0xcd,0x16,0xcd,0x19,0x26,0x8b,0x55,0x1a,0x52,0xb0,0x01,0xbb,0x00,0x00,0xe8, +0x3b,0x00,0x72,0xe8,0x5b,0x8a,0x56,0x24,0xbe,0x0b,0x7c,0x8b,0xfc,0xc7,0x46,0xf0, +0x3d,0x7d,0xc7,0x46,0xf4,0x29,0x7d,0x8c,0xd9,0x89,0x4e,0xf2,0x89,0x4e,0xf6,0xc6, +0x06,0x96,0x7d,0xcb,0xea,0x03,0x00,0x00,0x20,0x0f,0xb6,0xc8,0x66,0x8b,0x46,0xf8, +0x66,0x03,0x46,0x1c,0x66,0x8b,0xd0,0x66,0xc1,0xea,0x10,0xeb,0x5e,0x0f,0xb6,0xc8, +0x4a,0x4a,0x8a,0x46,0x0d,0x32,0xe4,0xf7,0xe2,0x03,0x46,0xfc,0x13,0x56,0xfe,0xeb, +0x4a,0x52,0x50,0x06,0x53,0x6a,0x01,0x6a,0x10,0x91,0x8b,0x46,0x18,0x96,0x92,0x33, +0xd2,0xf7,0xf6,0x91,0xf7,0xf6,0x42,0x87,0xca,0xf7,0x76,0x1a,0x8a,0xf2,0x8a,0xe8, +0xc0,0xcc,0x02,0x0a,0xcc,0xb8,0x01,0x02,0x80,0x7e,0x02,0x0e,0x75,0x04,0xb4,0x42, +0x8b,0xf4,0x8a,0x56,0x24,0xcd,0x13,0x61,0x61,0x72,0x0b,0x40,0x75,0x01,0x42,0x03, +0x5e,0x0b,0x49,0x75,0x06,0xf8,0xc3,0x41,0xbb,0x00,0x00,0x60,0x66,0x6a,0x00,0xeb, +0xb0,0x4e,0x54,0x4c,0x44,0x52,0x20,0x20,0x20,0x20,0x20,0x20,0x0d,0x0a,0x52,0x65, +0x6d,0x6f,0x76,0x65,0x20,0x64,0x69,0x73,0x6b,0x73,0x20,0x6f,0x72,0x20,0x6f,0x74, +0x68,0x65,0x72,0x20,0x6d,0x65,0x64,0x69,0x61,0x2e,0xff,0x0d,0x0a,0x44,0x69,0x73, +0x6b,0x20,0x65,0x72,0x72,0x6f,0x72,0xff,0x0d,0x0a,0x50,0x72,0x65,0x73,0x73,0x20, +0x61,0x6e,0x79,0x20,0x6b,0x65,0x79,0x20,0x74,0x6f,0x20,0x72,0x65,0x73,0x74,0x61, +0x72,0x74,0x0d,0x0a,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0xac,0xcb,0xd8,0x55,0xaa, +0x06,0x05,0x00, // block=6, size=5 +0xf8,0xff,0xff,0xff,0x0f, +0x07,0x05,0x00, // block=7, size=5 +0xf8,0xff,0xff,0xff,0x0f, +0x08,0xfa,0x00, // block=8, size=250 +0x4c,0x50,0x43,0x38,0x31,0x49,0x53,0x50,0x20,0x20,0x20,0x08,0x00,0x00,0x00,0x00, +0x00,0x00,0x00,0x00,0x00,0x00,0x0c,0x87,0x4d,0x44,0x00,0x00,0x00,0x00,0x00,0x00, +0x41,0x2e,0x00,0x54,0x00,0x72,0x00,0x61,0x00,0x73,0x00,0x0f,0x00,0x25,0x68,0x00, +0x65,0x00,0x73,0x00,0x00,0x00,0xff,0xff,0xff,0xff,0x00,0x00,0xff,0xff,0xff,0xff, +0x54,0x52,0x41,0x53,0x48,0x45,0x7e,0x31,0x20,0x20,0x20,0x20,0x00,0x0a,0x1b,0x87, +0x4d,0x44,0x4d,0x44,0x00,0x00,0x85,0x75,0x8e,0x41,0x00,0x00,0x00,0x00,0x00,0x00, +0x41,0x2e,0x00,0x66,0x00,0x73,0x00,0x65,0x00,0x76,0x00,0x0f,0x00,0xda,0x65,0x00, +0x6e,0x00,0x74,0x00,0x73,0x00,0x64,0x00,0x00,0x00,0x00,0x00,0xff,0xff,0xff,0xff, +0x46,0x53,0x45,0x56,0x45,0x4e,0x7e,0x31,0x20,0x20,0x20,0x10,0x00,0x68,0x1c,0x87, +0x4d,0x44,0x4d,0x44,0x00,0x00,0x1d,0x87,0x4d,0x44,0x02,0x00,0x00,0x00,0x00,0x00, +0x42,0x65,0x00,0x72,0x00,0x5f,0x00,0x69,0x00,0x6e,0x00,0x0f,0x00,0xa8,0x64,0x00, +0x65,0x00,0x78,0x00,0x00,0x00,0xff,0xff,0xff,0xff,0x00,0x00,0xff,0xff,0xff,0xff, +0x01,0x2e,0x00,0x6d,0x00,0x65,0x00,0x74,0x00,0x61,0x00,0x0f,0x00,0xa8,0x64,0x00, +0x61,0x00,0x74,0x00,0x61,0x00,0x5f,0x00,0x6e,0x00,0x00,0x00,0x65,0x00,0x76,0x00, +0x4d,0x45,0x54,0x41,0x44,0x41,0x7e,0x31,0x20,0x20,0x20,0x20,0x00,0x38,0x1d,0x87, +0x4d,0x44,0x4d,0x44,0x00,0x00,0x85,0x75,0x8e,0x41, +0x28,0x5a,0x00, // block=40, size=90 +0x2e,0x20,0x20,0x20,0x20,0x20,0x20,0x20,0x20,0x20,0x20,0x10,0x00,0x68,0x1c,0x87, +0x4d,0x44,0x4d,0x44,0x00,0x00,0x1d,0x87,0x4d,0x44,0x02,0x00,0x00,0x00,0x00,0x00, +0x2e,0x2e,0x20,0x20,0x20,0x20,0x20,0x20,0x20,0x20,0x20,0x10,0x00,0x68,0x1c,0x87, +0x4d,0x44,0x4d,0x44,0x00,0x00,0x1d,0x87,0x4d,0x44,0x00,0x00,0x00,0x00,0x00,0x00, +0x4e,0x4f,0x5f,0x4c,0x4f,0x47,0x20,0x20,0x20,0x20,0x20,0x20,0x08,0x11,0x1d,0x87, +0x4d,0x44,0x4d,0x44,0x00,0x00,0x85,0x75,0x8e,0x41, +0xff}; + +void RamDisk::format() +{ + const uint8_t* p = block_image; + while(1) { + int block = *p++; + if (block == 0xff) { + break; + } + int size = p[0]|(p[1]<<8); + _sector_image[block] = (uint8_t*)p; + p += size + 2; + } +} + +#endif
--- /dev/null Thu Jan 01 00:00:00 1970 +0000 +++ b/src/RamDiskFormat_LPC810.cpp Sat Feb 15 10:15:42 2014 +0000 @@ -0,0 +1,225 @@ +#if 0 +#include "RamDisk.h" + +static const uint8_t block_image[] = { // 10 blocks +0x00,0x00,0x02, // block=0, size=512 +0xeb,0x3c,0x90,0x4d,0x53,0x44,0x4f,0x53,0x35,0x2e,0x30,0x00,0x02,0x01,0x06,0x00, +0x02,0x00,0x02,0x80,0x00,0xf8,0x01,0x00,0x01,0x00,0x01,0x00,0x00,0x00,0x00,0x00, +0x00,0x00,0x00,0x00,0x00,0x00,0x29,0xb4,0xc9,0xa3,0x84,0x4e,0x4f,0x20,0x4e,0x41, +0x4d,0x45,0x20,0x20,0x20,0x20,0x46,0x41,0x54,0x31,0x32,0x20,0x20,0x20,0x33,0xc9, +0x8e,0xd1,0xbc,0xf0,0x7b,0x8e,0xd9,0xb8,0x00,0x20,0x8e,0xc0,0xfc,0xbd,0x00,0x7c, +0x38,0x4e,0x24,0x7d,0x24,0x8b,0xc1,0x99,0xe8,0x3c,0x01,0x72,0x1c,0x83,0xeb,0x3a, +0x66,0xa1,0x1c,0x7c,0x26,0x66,0x3b,0x07,0x26,0x8a,0x57,0xfc,0x75,0x06,0x80,0xca, +0x02,0x88,0x56,0x02,0x80,0xc3,0x10,0x73,0xeb,0x33,0xc9,0x8a,0x46,0x10,0x98,0xf7, +0x66,0x16,0x03,0x46,0x1c,0x13,0x56,0x1e,0x03,0x46,0x0e,0x13,0xd1,0x8b,0x76,0x11, +0x60,0x89,0x46,0xfc,0x89,0x56,0xfe,0xb8,0x20,0x00,0xf7,0xe6,0x8b,0x5e,0x0b,0x03, +0xc3,0x48,0xf7,0xf3,0x01,0x46,0xfc,0x11,0x4e,0xfe,0x61,0xbf,0x00,0x00,0xe8,0xe6, +0x00,0x72,0x39,0x26,0x38,0x2d,0x74,0x17,0x60,0xb1,0x0b,0xbe,0xa1,0x7d,0xf3,0xa6, +0x61,0x74,0x32,0x4e,0x74,0x09,0x83,0xc7,0x20,0x3b,0xfb,0x72,0xe6,0xeb,0xdc,0xa0, +0xfb,0x7d,0xb4,0x7d,0x8b,0xf0,0xac,0x98,0x40,0x74,0x0c,0x48,0x74,0x13,0xb4,0x0e, +0xbb,0x07,0x00,0xcd,0x10,0xeb,0xef,0xa0,0xfd,0x7d,0xeb,0xe6,0xa0,0xfc,0x7d,0xeb, +0xe1,0xcd,0x16,0xcd,0x19,0x26,0x8b,0x55,0x1a,0x52,0xb0,0x01,0xbb,0x00,0x00,0xe8, +0x3b,0x00,0x72,0xe8,0x5b,0x8a,0x56,0x24,0xbe,0x0b,0x7c,0x8b,0xfc,0xc7,0x46,0xf0, +0x3d,0x7d,0xc7,0x46,0xf4,0x29,0x7d,0x8c,0xd9,0x89,0x4e,0xf2,0x89,0x4e,0xf6,0xc6, +0x06,0x96,0x7d,0xcb,0xea,0x03,0x00,0x00,0x20,0x0f,0xb6,0xc8,0x66,0x8b,0x46,0xf8, +0x66,0x03,0x46,0x1c,0x66,0x8b,0xd0,0x66,0xc1,0xea,0x10,0xeb,0x5e,0x0f,0xb6,0xc8, +0x4a,0x4a,0x8a,0x46,0x0d,0x32,0xe4,0xf7,0xe2,0x03,0x46,0xfc,0x13,0x56,0xfe,0xeb, +0x4a,0x52,0x50,0x06,0x53,0x6a,0x01,0x6a,0x10,0x91,0x8b,0x46,0x18,0x96,0x92,0x33, +0xd2,0xf7,0xf6,0x91,0xf7,0xf6,0x42,0x87,0xca,0xf7,0x76,0x1a,0x8a,0xf2,0x8a,0xe8, +0xc0,0xcc,0x02,0x0a,0xcc,0xb8,0x01,0x02,0x80,0x7e,0x02,0x0e,0x75,0x04,0xb4,0x42, +0x8b,0xf4,0x8a,0x56,0x24,0xcd,0x13,0x61,0x61,0x72,0x0b,0x40,0x75,0x01,0x42,0x03, +0x5e,0x0b,0x49,0x75,0x06,0xf8,0xc3,0x41,0xbb,0x00,0x00,0x60,0x66,0x6a,0x00,0xeb, +0xb0,0x4e,0x54,0x4c,0x44,0x52,0x20,0x20,0x20,0x20,0x20,0x20,0x0d,0x0a,0x52,0x65, +0x6d,0x6f,0x76,0x65,0x20,0x64,0x69,0x73,0x6b,0x73,0x20,0x6f,0x72,0x20,0x6f,0x74, +0x68,0x65,0x72,0x20,0x6d,0x65,0x64,0x69,0x61,0x2e,0xff,0x0d,0x0a,0x44,0x69,0x73, +0x6b,0x20,0x65,0x72,0x72,0x6f,0x72,0xff,0x0d,0x0a,0x50,0x72,0x65,0x73,0x73,0x20, +0x61,0x6e,0x79,0x20,0x6b,0x65,0x79,0x20,0x74,0x6f,0x20,0x72,0x65,0x73,0x74,0x61, +0x72,0x74,0x0d,0x0a,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0xac,0xcb,0xd8,0x55,0xaa, +0x06,0x0c,0x00, // block=6, size=12 +0xf8,0xff,0xff,0x03,0x40,0x00,0x05,0x60,0x00,0xff,0xff,0xff, +0x07,0x0c,0x00, // block=7, size=12 +0xf8,0xff,0xff,0x03,0x40,0x00,0x05,0x60,0x00,0xff,0xff,0xff, +0x08,0x7a,0x01, // block=8, size=378 +0x4c,0x50,0x43,0x38,0x31,0x49,0x53,0x50,0x20,0x20,0x20,0x08,0x00,0x00,0x00,0x00, +0x00,0x00,0x00,0x00,0x00,0x00,0x15,0x83,0x4d,0x44,0x00,0x00,0x00,0x00,0x00,0x00, +0x43,0x69,0x00,0x6e,0x00,0x00,0x00,0xff,0xff,0xff,0xff,0x0f,0x00,0xa6,0xff,0xff, +0xff,0xff,0xff,0xff,0xff,0xff,0xff,0xff,0xff,0xff,0x00,0x00,0xff,0xff,0xff,0xff, +0x02,0x6f,0x00,0x72,0x00,0x6c,0x00,0x64,0x00,0x5f,0x00,0x0f,0x00,0xa6,0x4c,0x00, +0x50,0x00,0x43,0x00,0x38,0x00,0x31,0x00,0x32,0x00,0x00,0x00,0x2e,0x00,0x62,0x00, +0x01,0x6c,0x00,0x70,0x00,0x63,0x00,0x38,0x00,0x31,0x00,0x0f,0x00,0xa6,0x30,0x00, +0x5f,0x00,0x68,0x00,0x65,0x00,0x6c,0x00,0x6c,0x00,0x00,0x00,0x6f,0x00,0x77,0x00, +0x4c,0x50,0x43,0x38,0x31,0x30,0x7e,0x31,0x42,0x49,0x4e,0x20,0x00,0x54,0x55,0x83, +0x4d,0x44,0x4d,0x44,0x00,0x00,0x56,0xb7,0x4a,0x44,0x02,0x00,0x4c,0x08,0x00,0x00, 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+0x54,0x52,0x41,0x53,0x48,0x45,0x7e,0x31,0x20,0x20,0x20,0x20,0x00,0xbe,0x59,0x83, +0x4d,0x44,0x4d,0x44,0x00,0x00,0x85,0x75,0x8e,0x41, +0x28,0xff,0x01, // block=40, size=511 +0x00,0x10,0x00,0x10,0xdd,0x00,0x00,0x00,0x05,0x01,0x00,0x00,0xfd,0x00,0x00,0x00, +0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x21,0xed,0xff,0xef, +0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0xff,0x00,0x00,0x00, +0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x01,0x01,0x00,0x00,0x03,0x01,0x00,0x00, +0x05,0x01,0x00,0x00,0x05,0x01,0x00,0x00,0x00,0x00,0x00,0x00,0x05,0x01,0x00,0x00, +0x05,0x01,0x00,0x00,0x05,0x01,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00, +0x05,0x01,0x00,0x00,0x05,0x01,0x00,0x00,0x05,0x01,0x00,0x00,0x05,0x01,0x00,0x00, +0x05,0x01,0x00,0x00,0x05,0x01,0x00,0x00,0x00,0x00,0x00,0x00,0x05,0x01,0x00,0x00, +0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00, +0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00, 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+0x70,0x47,0x70,0x47,0x00,0x20,0x01,0xe0,0x01,0xc1,0x12,0x1f,0x00,0x2a,0xfb,0xd1, +0x70,0x47,0x00,0x00,0x10,0xb5,0x00,0x22,0x04,0x21,0x02,0x48,0xff,0xf7,0xd6,0xff, +0x10,0xbd,0x00,0x00,0x34,0x01,0x00,0x10,0x70,0x47,0x70,0x47,0xff,0xff,0xff,0xff, +0x00,0x28,0x01,0xd0,0x00,0xf0,0x7a,0xf8,0xfe,0xe7,0x00,0x29,0x07,0xd0,0x01,0x29, +0x04,0xd1,0x81,0x68,0x0a,0x68,0x40,0x68,0x02,0x43,0x0a,0x60,0x70,0x47,0x81,0x68, +0x0a,0x68,0x40,0x68,0x82,0x43,0xf8,0xe7,0x70,0xb5,0x04,0x46,0x15,0x46,0x0e,0x46, +0x48,0x1c,0x1b,0xd0,0x26,0x70,0x30,0x46,0x00,0xf0,0x20,0xf8,0x60,0x60,0x0c,0x48, +0xe0,0x60,0x0b,0x48,0x29,0x46,0x80,0x30,0x20,0x61,0x0a,0x48,0x60,0x61,0x0a,0x48, +0xa0,0x60,0x20,0x46,0xff,0xf7,0xd9,0xff,0x00,0x2d,0x03,0xd0,0x01,0x2d,0x05,0xd1, +0x00,0x21,0x00,0xe0,0x01,0x21,0x30,0x46,0x00,0xf0,0x5e,0xf8,0x70,0xbd,0x00,0x00, +0x00,0x22,0x00,0xa0,0x00,0x21,0x00,0xa0,0x00,0x20,0x00,0xa0,0x70,0xb5,0x05,0x46, +0x0e,0x48,0x00,0x21,0x02,0x68,0x01,0x24,0x00,0x2a,0x0e,0xd1,0x04,0x60,0x0c,0x48, +0x02,0x68,0x40,0x23,0x1a,0x43,0x02,0x60,0x09,0x4a,0x80,0x3a,0x50,0x68,0x13,0x15, +0x98,0x43,0x50,0x60,0x50,0x68,0x18,0x43,0x50,0x60,0x28,0x46,0xff,0xf7,0xa5,0xff, +0xe9,0x06,0xc9,0x0e,0x20,0x46,0x88,0x40,0x70,0xbd,0x00,0x00,0xe8,0x00,0x00,0x10, +0x80,0x80,0x04,0x40,0x42,0x68,0x00,0x29,0x01,0xd0,0xc0,0x68,0x00,0xe0,0x00,0x69, +0x02,0x60,0x70,0x47,0x7d,0x24,0xe4,0x00,0x03,0xa1,0x07,0x48,0xff,0xf7,0x51,0xff, +0x20,0x46,0x00,0xf0,0xc9,0xf9,0xf7,0xe7,0x48,0x65,0x6c,0x6c,0x6f,0x20,0x57,0x6f, +0x72,0x6c,0x64,0x0a,0x00,0x00,0x00,0x00,0x34,0x01,0x00,0x10,0x86,0xb0,0x01,0x22, +0x2a,0x00,0x02, // block=42, size=512 +0x07,0x21,0x68,0x46,0xff,0xf7,0x90,0xff,0x01,0x21,0x68,0x46,0xff,0xf7,0xda,0xff, +0x96,0x20,0x00,0xf0,0xb1,0xf9,0x00,0x21,0x68,0x46,0xff,0xf7,0xd3,0xff,0x96,0x20, +0x00,0xf0,0xaa,0xf9,0xf0,0xe7,0x00,0x00,0x42,0x1c,0x0f,0xd0,0x0a,0x28,0x0d,0xd0, +0x0b,0x28,0x0b,0xd0,0x08,0x4a,0x80,0x00,0x10,0x58,0x04,0x29,0x07,0xd0,0x02,0x68, +0x18,0x23,0x9a,0x43,0x89,0x07,0xc9,0x0e,0x11,0x43,0x01,0x60,0x70,0x47,0x01,0x68, +0x01,0x22,0x92,0x02,0xf8,0xe7,0x00,0x00,0xec,0x00,0x00,0x10,0xf8,0xb5,0x07,0x46, +0x0d,0x48,0x0e,0x46,0x80,0x68,0x05,0x09,0x28,0x46,0xff,0xf7,0x51,0xfe,0x39,0x68, +0x40,0x1e,0x08,0x62,0x09,0x4c,0xff,0x20,0x20,0x63,0x20,0x6b,0x39,0x68,0x40,0x1c, +0x09,0x6a,0x68,0x43,0x49,0x1c,0x71,0x43,0xff,0xf7,0x42,0xfe,0x21,0x6b,0x40,0x1a, +0x40,0x1e,0x60,0x63,0xf8,0xbd,0x00,0x00,0xc4,0x00,0x00,0x10,0xc0,0x80,0x04,0x40, +0x10,0xb5,0x01,0x2b,0x01,0xd0,0x02,0x2b,0x0a,0xd1,0x5b,0x1e,0xcc,0x1f,0x03,0x2c, +0x06,0xd2,0xc9,0x1f,0x00,0x2a,0x07,0xd0,0x01,0x2a,0x04,0xd0,0x02,0x2a,0x03,0xd0, +0x01,0x20,0xff,0xf7,0x1d,0xff,0x03,0x22,0x89,0x00,0x12,0x01,0x11,0x43,0x9a,0x01, +0x00,0x68,0x11,0x43,0x01,0x60,0x10,0xbd,0xf7,0xb5,0x16,0x46,0x44,0x4a,0x04,0x46, +0x00,0x21,0x10,0x78,0x82,0xb0,0x01,0x25,0x2b,0x46,0x8b,0x40,0x03,0x42,0x04,0xd0, +0x49,0x1c,0x03,0x29,0xf8,0xdb,0x00,0x21,0xc9,0x43,0x4b,0x1c,0x67,0xd0,0x3d,0x4f, +0x8b,0x03,0x21,0x71,0xdb,0x19,0x23,0x60,0x2b,0x46,0x8b,0x40,0x03,0x43,0x38,0x48, +0x39,0x4a,0x03,0x70,0x48,0x00,0x84,0x46,0x80,0x18,0x02,0x78,0x93,0x00,0x37,0x4a, +0x9f,0x18,0x3a,0x68,0x40,0x78,0xff,0x23,0x83,0x40,0x9a,0x43,0x03,0x9b,0x83,0x40, +0x13,0x43,0x3b,0x60,0x30,0x4a,0x60,0x46,0x92,0x1d,0x80,0x18,0x02,0x78,0x93,0x00, +0x2e,0x4a,0x9f,0x18,0x3a,0x68,0x40,0x78,0xff,0x23,0x83,0x40,0x9a,0x43,0x33,0x46, +0x83,0x40,0x13,0x43,0x3b,0x60,0x2a,0x48,0x45,0x61,0xcb,0x1c,0xdf,0x06,0xff,0x0e, +0x2a,0x46,0xba,0x40,0x27,0x4f,0x00,0x92,0x3a,0x60,0x02,0x68,0x0e,0x31,0x2f,0x46, +0x8f,0x40,0x3a,0x43,0x02,0x60,0x22,0x4a,0x80,0x3a,0x57,0x68,0x29,0x46,0x99,0x40, +0x8f,0x43,0x57,0x60,0x53,0x68,0x0b,0x43,0x53,0x60,0x41,0x69,0x1e,0x48,0x00,0x68, +0xff,0xf7,0xbe,0xfd,0x16,0x49,0x88,0x60,0x4b,0x21,0xc9,0x01,0x20,0x46,0xff,0xf7, +0x5d,0xff,0x01,0x23,0x00,0x22,0x08,0x21,0x20,0x46,0xff,0xf7,0x79,0xff,0x41,0x20, +0x21,0x68,0x40,0x01,0x88,0x60,0x13,0x48,0x00,0x9a,0x80,0x38,0x02,0x60,0x20,0x68, +0x01,0x68,0x29,0x43,0x01,0x60,0x03,0x98,0x06,0x28,0x03,0xd0,0x04,0xe0,0x01,0x20, +0xff,0xf7,0x96,0xfe,0x01,0x2e,0x09,0xd0,0x00,0x20,0x00,0x28,0x04,0xd0,0x04,0x48, +0x45,0x60,0x06,0xcc,0x42,0x61,0x01,0x61,0x05,0xb0,0xf0,0xbd,0x01,0x20,0xf4,0xe7, +0xc4,0x00,0x00,0x10,0x00,0x40,0x06,0x40,0x9c,0x07,0x00,0x00,0x00,0xc0,0x00,0x40, +0x2b,0xdb,0x01, // block=43, size=475 +0x80,0x80,0x04,0x40,0x80,0xe1,0x00,0xe0,0xc0,0x00,0x00,0x10,0x03,0x4b,0xd9,0x60, +0x00,0x79,0x03,0x49,0x80,0x00,0x0a,0x50,0x70,0x47,0x00,0x00,0xc4,0x00,0x00,0x10, +0x78,0x01,0x00,0x10,0x00,0xb5,0x0a,0x46,0x03,0x46,0x18,0x46,0x00,0xf0,0x05,0xf8, +0x00,0x28,0xfa,0xd0,0x18,0x68,0xc2,0x61,0x00,0xbd,0x00,0x68,0x80,0x68,0x04,0x21, +0x08,0x40,0x70,0x47,0x01,0x49,0x01,0x20,0x48,0x63,0x70,0x47,0xc0,0x40,0x00,0x50, +0x02,0x48,0x01,0x6b,0x49,0x08,0x49,0x00,0x01,0x63,0x70,0x47,0xc0,0x40,0x00,0x50, +0x10,0xb5,0x17,0x48,0x01,0x68,0x00,0x29,0x29,0xd1,0x01,0x21,0x01,0x60,0x15,0x48, +0x02,0x68,0x83,0x15,0x1a,0x43,0x02,0x60,0x12,0x48,0x80,0x38,0x42,0x68,0x1a,0x43, +0x42,0x60,0x11,0x4c,0x20,0x68,0x08,0x43,0x20,0x60,0xa0,0x88,0x0c,0x21,0x08,0x43, +0xa0,0x80,0x0f,0x48,0x0d,0x49,0x00,0x68,0xff,0xf7,0x3a,0xfd,0x40,0x01,0xa1,0x88, +0x20,0x38,0x08,0x43,0xa0,0x80,0xa0,0x88,0x04,0x21,0x88,0x43,0xa0,0x80,0x09,0x49, +0x09,0x20,0xff,0xf7,0x71,0xfd,0x01,0x20,0x07,0x49,0x40,0x02,0x08,0x60,0x10,0xbd, +0xdc,0x00,0x00,0x10,0x80,0x80,0x04,0x40,0x00,0x40,0x00,0x50,0x40,0x42,0x0f,0x00, +0xc0,0x00,0x00,0x10,0xdd,0x06,0x00,0x00,0x00,0xe1,0x00,0xe0,0x10,0xb5,0xff,0xf7, +0xb1,0xff,0x0d,0x4c,0x20,0x68,0x00,0x28,0x0e,0xd0,0x00,0xf0,0x17,0xf8,0x21,0x68, +0x0a,0x68,0x10,0x1a,0x00,0x28,0x0a,0xdc,0x88,0x68,0x20,0x60,0x62,0x68,0x00,0x2a, +0xf0,0xd0,0x48,0x68,0x90,0x47,0xed,0xe7,0xff,0xf7,0xa2,0xff,0x10,0xbd,0x08,0x68, +0x00,0xf0,0x12,0xf8,0x10,0xbd,0x00,0x00,0xe0,0x00,0x00,0x10,0x10,0xb5,0x04,0x48, +0x00,0x68,0x00,0x28,0x01,0xd1,0xff,0xf7,0x9b,0xff,0x02,0x48,0x00,0x68,0x10,0xbd, +0xdc,0x00,0x00,0x10,0x40,0x40,0x00,0x50,0x0c,0x49,0x8b,0x88,0x04,0x22,0x13,0x43, +0x8b,0x80,0x0b,0x4b,0x18,0x60,0x88,0x88,0x90,0x43,0x88,0x80,0x08,0x49,0x40,0x39, +0x08,0x6b,0xc0,0x07,0x09,0xd1,0x07,0x48,0x92,0x02,0x42,0x60,0x03,0x68,0x01,0x22, +0x13,0x43,0x03,0x60,0x08,0x6b,0x10,0x43,0x08,0x63,0x70,0x47,0x00,0x40,0x00,0x50, +0x00,0x41,0x00,0x50,0x00,0x43,0x00,0x50,0x7d,0x21,0x10,0xb5,0xc9,0x00,0x48,0x43, +0x00,0xf0,0x01,0xf8,0x10,0xbd,0x70,0xb5,0x04,0x46,0xff,0xf7,0xc7,0xff,0x05,0x46, +0xff,0xf7,0xc4,0xff,0x40,0x1b,0xa0,0x42,0xfa,0xd3,0x70,0xbd,0x00,0x00,0x01,0x08, +0x02,0x10,0x00,0x08,0x01,0x10,0x02,0x18,0x00,0x10,0x01,0x18,0x03,0x00,0x00,0x18, +0x02,0x00,0x03,0x08,0xd8,0x07,0x00,0x00,0xc0,0x00,0x00,0x10,0x74,0x00,0x00,0x00, +0xc4,0x02,0x00,0x00,0x4c,0x08,0x00,0x00,0x34,0x01,0x00,0x10,0x50,0x00,0x00,0x00, +0xd4,0x02,0x00,0x00,0x11,0xfb,0xff,0xff,0x00,0x1b,0xb7, +0x2c,0x4c,0x00, // block=44, size=76 +0x00,0x00,0x00,0x00,0x44,0x40,0x04,0x40,0x2c,0x40,0x04,0x40,0x18,0x40,0x04,0x40, +0x14,0x40,0x04,0x40,0x10,0x40,0x04,0x40,0x0c,0x40,0x04,0x40,0x40,0x40,0x04,0x40, +0x3c,0x40,0x04,0x40,0x38,0x40,0x04,0x40,0x34,0x40,0x04,0x40,0x20,0x40,0x04,0x40, +0x1c,0x40,0x04,0x40,0x08,0x40,0x04,0x40,0x04,0x40,0x04,0x40,0x48,0x40,0x04,0x40, +0x28,0x40,0x04,0x40,0x24,0x40,0x04,0x40,0x00,0x40,0x04,0x40, +0x2d,0x5a,0x00, // block=45, size=90 +0x2e,0x20,0x20,0x20,0x20,0x20,0x20,0x20,0x20,0x20,0x20,0x10,0x00,0x91,0x57,0x83, +0x4d,0x44,0x4d,0x44,0x00,0x00,0x58,0x83,0x4d,0x44,0x07,0x00,0x00,0x00,0x00,0x00, +0x2e,0x2e,0x20,0x20,0x20,0x20,0x20,0x20,0x20,0x20,0x20,0x10,0x00,0x91,0x57,0x83, +0x4d,0x44,0x4d,0x44,0x00,0x00,0x58,0x83,0x4d,0x44,0x00,0x00,0x00,0x00,0x00,0x00, +0x4e,0x4f,0x5f,0x4c,0x4f,0x47,0x20,0x20,0x20,0x20,0x20,0x20,0x08,0x39,0x58,0x83, +0x4d,0x44,0x4d,0x44,0x00,0x00,0x85,0x75,0x8e,0x41, +0xff}; + +void RamDisk::format() +{ + const uint8_t* p = block_image; + while(1) { + int block = *p++; + if (block == 0xff) { + break; + } + int size = p[0]|(p[1]<<8); + _sector_image[block] = (uint8_t*)p; + p += size + 2; + } +} +#endif
--- /dev/null Thu Jan 01 00:00:00 1970 +0000 +++ b/src/Storage.cpp Sat Feb 15 10:15:42 2014 +0000 @@ -0,0 +1,50 @@ +#include "Storage.h" +#include "FATFileSystem.h" +#include "mbed_debug.h" +#include "mystring.h" +#include <ctype.h> + +#if (DEBUG2 > 3) +#define STORAGE_DBG(...) do{fprintf(stderr,"[%s@%d] ",__PRETTY_FUNCTION__,__LINE__);fprintf(stderr,__VA_ARGS__);fprintf(stderr,"\r\n");} while(0); +#else +#define STORAGE_DBG(...) +#endif + +#define LOCAL_DIR "local" + +LocalStorage::LocalStorage(StorageInterface* storage) + : FATFileSystem(LOCAL_DIR),_storage(storage) +{ +} + +extern FILINFO FATDirHandle_finfo; // fst/FATDirHandle.cpp +/* static */ bool LocalStorage::find_bin(mystring& filename) +{ + DIR *dir = ::opendir("/"LOCAL_DIR); + if (dir == NULL) { + return false; + } + uint32_t fdatetime = 0; + bool found = false; + struct dirent *entry; + while ((entry = readdir(dir)) != NULL) { + mystring name(entry->d_name); + int len = name.size(); + if (name[len-4] == '.' && + toupper(name[len-3]) == 'B' && + toupper(name[len-2]) == 'I' && + toupper(name[len-1]) == 'N') { + FILINFO* fi = &FATDirHandle_finfo; + uint32_t datetime = fi->ftime | (fi->fdate<<16); + STORAGE_DBG("datetime=%08x [%s]", datetime, entry->d_name); + if (datetime > fdatetime) { + fdatetime = datetime; + filename = "/"LOCAL_DIR"/"; + filename += entry->d_name; + found = true; + } + } + } + closedir(dir); + return found; +}
--- /dev/null Thu Jan 01 00:00:00 1970 +0000 +++ b/src/Storage.h Sat Feb 15 10:15:42 2014 +0000 @@ -0,0 +1,44 @@ +#pragma once +#include "mbed.h" +#include "FATFileSystem.h" +#include "USBMSD.h" +#include "StorageInterface.h" +#include "mystring.h" + +class LocalStorage : public FATFileSystem { +public: + LocalStorage(StorageInterface* storage); + virtual int disk_read(uint8_t * buffer, uint64_t sector) { + return _storage->storage_read(buffer, sector); + } + virtual int disk_write(const uint8_t * buffer, uint64_t sector) { + return _storage->storage_write(buffer, sector); + } + virtual uint64_t disk_sectors() { + return _storage->storage_sectors(); + } + static bool find_bin(mystring& filename); +private: + StorageInterface* _storage; +}; + +class USBStorage : public USBMSD { +public: + USBStorage(StorageInterface* storage): _storage(storage) { + connect(); + } + virtual int disk_read(uint8_t * data, uint64_t block) { + return _storage->storage_read(data, block); + } + virtual int disk_write(const uint8_t * data, uint64_t block) { + return _storage->storage_write(data, block); + } + virtual int disk_initialize() { return _storage->storage_initialize(); } + virtual uint64_t disk_sectors() { return _storage->storage_sectors(); } + virtual uint64_t disk_size() { return _storage->storage_size(); } + virtual int disk_status() { return _storage->storage_status(); } + +private: + StorageInterface* _storage; +}; +
--- /dev/null Thu Jan 01 00:00:00 1970 +0000 +++ b/src/StorageInterface.h Sat Feb 15 10:15:42 2014 +0000 @@ -0,0 +1,11 @@ +#pragma once + +class StorageInterface { +public: + virtual int storage_read(uint8_t* data, uint32_t block) = 0; + virtual int storage_write(const uint8_t* data, uint32_t block) = 0; + virtual int storage_initialize() = 0; + virtual uint32_t storage_sectors() = 0; + virtual uint32_t storage_size() = 0; + virtual int storage_status() = 0; +};
--- /dev/null Thu Jan 01 00:00:00 1970 +0000 +++ b/src/mymap.h Sat Feb 15 10:15:42 2014 +0000 @@ -0,0 +1,68 @@ +#pragma once + +template<class K,class T> +class mymap { + struct mypair { + K first; + T second; + }; +public: + mymap() { + m_size = 0; + } + T& operator[](const K& key) { + int it; + if (count(key) == 0) { + it = insert(key, 0); + } else { + it = find(key); + } + return m_buf[it].second; + } + bool empty() { return m_size == 0 ? true : false; } + int size() { return m_size; } + void clear() { m_size = 0; } + int count(K key) { + for(int i = 0; i < m_size; i++) { + if (m_buf[i].first == key) { + return 1; + } + } + return 0; + } + K getKey(int index) { + return m_buf[index].first; + } + +private: + int find(K key) { + for(int i = 0; i < m_size; i++) { + if (m_buf[i].first == key) { + return i; + } + } + return -1; + } + int insert(K key, T value) { + int it = find(key); + if (it != -1) { + m_buf[it].second = value; + return it; + } + mypair* new_buf = new mypair[m_size+1]; + if (m_size > 0) { + for(int i = 0; i < m_size; i++) { + new_buf[i] = m_buf[i]; + } + delete[] m_buf; + } + m_buf = new_buf; + it = m_size++; + m_buf[it].first = key; + m_buf[it].second = value; + return it; + } + + int m_size; + mypair *m_buf; +};
--- /dev/null Thu Jan 01 00:00:00 1970 +0000 +++ b/src/myqueue.h Sat Feb 15 10:15:42 2014 +0000 @@ -0,0 +1,52 @@ +#pragma once + +template<class T> +class myqueue { +public: + myqueue() { + m_wpos = m_rpos = 0; + m_size = 0; + m_capacity = 0; + } + void push(T v) { + if (m_size >= m_capacity) { // resize + int new_capacity = m_capacity + 1; + T* new_buf = new T[new_capacity]; + if (m_capacity > 0) { + for(int i = 0; i < m_size; i++) { + new_buf[i] = m_buf[m_rpos++]; + if (m_rpos >= m_capacity) { + m_rpos = 0; + } + } + delete[] m_buf; + } + m_rpos = 0; + m_wpos = m_size; + m_buf = new_buf; + m_capacity = new_capacity; + } + m_buf[m_wpos++] = v; + if (m_wpos >= m_capacity) { + m_wpos = 0; + } + m_size++; + } + T pop() { + T v = m_buf[m_rpos++]; + if (m_rpos >= m_capacity) { + m_rpos = 0; + } + m_size--; + return v; + } + bool empty() { return m_size == 0; } + int size() { return m_size; } + +private: + int m_capacity; + int m_size; + int m_wpos; + int m_rpos; + T *m_buf; +};
--- /dev/null Thu Jan 01 00:00:00 1970 +0000 +++ b/src/mystring.h Sat Feb 15 10:15:42 2014 +0000 @@ -0,0 +1,83 @@ +#include <stdlib.h> +#include <string.h> +#pragma once +class mystring { +public: + mystring(){ + _init(); + } + mystring(const char* s) { + _init(); + append(s); + } + + ~mystring() { + if (_buf) { + free(_buf); + } + } + void clear() { + if (_buf) { + free(_buf); + } + _init(); + } + bool empty() { + return _len == 0; + } + size_t size() { + return _len; + } + void append(const char* s, int len) { + if (_buf == NULL) { + return; + } + int new_len = _len + len; + char* new_buf = (char*)malloc(new_len + 1); + if (new_buf == NULL) { + return; + } + memcpy(new_buf, _buf, _len); + memcpy(new_buf+_len, s, len); + new_buf[_len+len] = '\0'; + free(_buf); + _buf = new_buf; + _len += new_len; + } + void append(const char* s) { + append(s, strlen(s)); + } + void append(int c) { + char buf[1]; + buf[0] = c; + append(buf, sizeof(buf)); + } + char* c_str() { + if (_buf) { + return _buf; + } + return ""; + } + mystring& operator= (const char* s) { + _init(); + append(s); + return *this; + } + mystring& operator+= (const char* s) { + append(s); + return *this; + } + char& operator[] (size_t pos) { + return _buf[pos]; + } +private: + void _init() { + _len = 0; + _buf = (char*)malloc(1); + if (_buf) { + _buf[0] = '\0'; + } + } + char* _buf; + int _len; +};
--- /dev/null Thu Jan 01 00:00:00 1970 +0000 +++ b/src/utils.cpp Sat Feb 15 10:15:42 2014 +0000 @@ -0,0 +1,41 @@ + +// from lpcsp.c http://elm-chan.org/works/sp78k/lpcsp.zip + +/* Create an uuencoded asciz string from a byte array */ +void uuencode ( + const void* src, /* Pointer to the input data */ + int srcsize, /* Size of input data (0 to 45) */ + char* dst /* Pointer to the output buffer */ +) +{ + const unsigned char *bin = (const unsigned char*)src; + unsigned char c1, c2, c3; + char c; + int cc; + + + if (srcsize >= 0 || srcsize <= 45) { + c = srcsize + 0x20; + *dst++ = (c == ' ') ? '`' : c; + + for (cc = 1; srcsize > 0; srcsize -= 3, cc += 4) { + c1 = *bin++; + c2 = c3 = 0; + if (srcsize >= 2) { + c2 = *bin++; + if (srcsize >= 3) { + c3 = *bin++; + } + } + c = (c1 >> 2) + 0x20; + *dst++ = (c == ' ') ? '`' : c; + c = ((c1 & 3) << 4) + (c2 >> 4) + 0x20; + *dst++ = (c == ' ') ? '`' : c; + c = ((c2 & 15) << 2) + (c3 >> 6) + 0x20; + *dst++ = (c == ' ') ? '`' : c; + c = (c3 & 63) + 0x20; + *dst++ = (c == ' ') ? '`' : c; + } + } + *dst = 0; +}