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o add ff lib

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o add ff lib samples
o add ff linux sample
This commit is contained in:
David Voswinkel
2009-05-20 21:31:45 +02:00
parent 8929a96e6e
commit efe6ba19c4
107 changed files with 60631 additions and 0 deletions
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17
tools/ffsample/linux/Makefile Normal file
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bin = fftest
src = ff.c main.c diskio.c
objs=$(src:.c=.o)
all: $(src) $(bin)
$(bin): $(objs)
gcc $(ldflags) $(objs) -o $@
%.o : %.c
gcc $(cflags) -c $<

168
tools/ffsample/linux/diskio.c Normal file
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#include "integer.h"
#include "diskio.h"
static volatile
DSTATUS Stat = STA_NOINIT; /* Disk status */
/*
[david@slap]Transfer/ffsample/linux % sudo mkfs.vfat -F 32 -v disk00.vfat [941]
mkfs.vfat 2.11 (12 Mar 2005)
disk00.vfat has 64 heads and 32 sectors per track,
logical sector size is 512,
using 0xf8 media descriptor, with 8192 sectors;
file system has 2 32-bit FATs and 1 sector per cluster.
FAT size is 63 sectors, and provides 8034 clusters.
Volume ID is 4a1424ec, no volume label.
*/
/*-----------------------------------------------------------------------*/
/* Initialize Disk Drive */
/*-----------------------------------------------------------------------*/
DSTATUS disk_initialize (BYTE drv) {
if (drv) return STA_NOINIT; /* Supports only single drive */
Stat |= STA_NOINIT;
/* map image */
Stat &= ~STA_NOINIT; /* When device goes ready, clear STA_NOINIT */
return Stat;
}
/*-----------------------------------------------------------------------*/
/* Return Disk Status */
/*-----------------------------------------------------------------------*/
DSTATUS disk_status (BYTE drv){
if (drv) return STA_NOINIT; /* Supports only single drive */
return Stat;
}
/*-----------------------------------------------------------------------*/
/* Read Sector(s) */
/*-----------------------------------------------------------------------*/
DRESULT disk_read (
BYTE drv, /* Physical drive nmuber (0) */
BYTE *buff, /* Data buffer to store read data */
DWORD sector, /* Sector number (LBA) */
BYTE count /* Sector count (1..255) */
)
{
BYTE c, iord_l, iord_h;
if (drv || !count) return RES_PARERR;
if (Stat & STA_NOINIT) return RES_NOTRDY;
/* Issue Read Setor(s) command */
/*
write_ata(REG_COUNT, count);
write_ata(REG_SECTOR, (BYTE)sector);
write_ata(REG_CYLL, (BYTE)(sector >> 8));
write_ata(REG_CYLH, (BYTE)(sector >> 16));
write_ata(REG_DEV, ((BYTE)(sector >> 24) & 0x0F) | LBA);
write_ata(REG_COMMAND, CMD_READ);
*/
return RES_OK;
}
/*-----------------------------------------------------------------------*/
/* Write Sector(s) */
/*-----------------------------------------------------------------------*/
#if _READONLY == 0
DRESULT disk_write (
BYTE drv, /* Physical drive nmuber (0) */
const BYTE *buff, /* Data to be written */
DWORD sector, /* Sector number (LBA) */
BYTE count /* Sector count (1..255) */
)
{
BYTE s, c, iowr_l, iowr_h;
if (drv || !count) return RES_PARERR;
if (Stat & STA_NOINIT) return RES_NOTRDY;
/* Issue Write Setor(s) command */
/*
write_ata(REG_COUNT, count);
write_ata(REG_SECTOR, (BYTE)sector);
write_ata(REG_CYLL, (BYTE)(sector >> 8));
write_ata(REG_CYLH, (BYTE)(sector >> 16));
write_ata(REG_DEV, ((BYTE)(sector >> 24) & 0x0F) | LBA);
write_ata(REG_COMMAND, CMD_WRITE);
*/
return RES_OK;
}
#endif /* _READONLY */
/*-----------------------------------------------------------------------*/
/* Miscellaneous Functions */
/*-----------------------------------------------------------------------*/
#if _USE_IOCTL != 0
DRESULT disk_ioctl (
BYTE drv, /* Physical drive nmuber (0) */
BYTE ctrl, /* Control code */
void *buff /* Buffer to send/receive data block */
)
{
BYTE n, w, ofs, dl, dh, *ptr = buff;
if (drv) return RES_PARERR;
if (Stat & STA_NOINIT) return RES_NOTRDY;
switch (ctrl) {
case GET_SECTOR_COUNT : /* Get number of sectors on the disk (DWORD) */
ofs = 60; w = 2; n = 0;
break;
case GET_SECTOR_SIZE : /* Get sectors on the disk (WORD) */
*(WORD*)buff = 512;
return RES_OK;
case GET_BLOCK_SIZE : /* Get erase block size in sectors (DWORD) */
*(DWORD*)buff = 32;
return RES_OK;
case CTRL_SYNC : /* Nothing to do */
return RES_OK;
case ATA_GET_REV : /* Get firmware revision (8 chars) */
ofs = 23; w = 4; n = 4;
break;
case ATA_GET_MODEL : /* Get model name (40 chars) */
ofs = 27; w = 20; n = 20;
break;
case ATA_GET_SN : /* Get serial number (20 chars) */
ofs = 10; w = 10; n = 10;
break;
default:
return RES_PARERR;
}
/*
write_ata(REG_COMMAND, CMD_IDENTIFY);
if (!wait_data()) return RES_ERROR;
read_part(ptr, ofs, w);
while (n--) {
dl = *ptr; dh = *(ptr+1);
*ptr++ = dh; *ptr++ = dl;
}
*/
return RES_OK;
}
#endif /* _USE_IOCTL != 0 */

81
tools/ffsample/linux/diskio.h Normal file
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/*-----------------------------------------------------------------------
/ Low level disk interface modlue include file R0.05 (C)ChaN, 2007
/-----------------------------------------------------------------------*/
#ifndef _DISKIO
#define _READONLY 0 /* 1: Read-only mode */
#define _USE_IOCTL 1
#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 */
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*);
void disk_timerproc (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() */
/* Generic command */
#define CTRL_SYNC 0 /* Mandatory for write functions */
#define GET_SECTOR_COUNT 1 /* Mandatory for only f_mkfs() */
#define GET_SECTOR_SIZE 2
#define GET_BLOCK_SIZE 3 /* Mandatory for only f_mkfs() */
#define CTRL_POWER 4
#define CTRL_LOCK 5
#define CTRL_EJECT 6
/* MMC/SDC command */
#define MMC_GET_TYPE 10
#define MMC_GET_CSD 11
#define MMC_GET_CID 12
#define MMC_GET_OCR 13
#define MMC_GET_SDSTAT 14
/* ATA/CF command */
#define ATA_GET_REV 20
#define ATA_GET_MODEL 21
#define ATA_GET_SN 22
/* Card type flags (CardType) */
#define CT_MMC 0x01
#define CT_SD1 0x02
#define CT_SD2 0x04
#define CT_SDC (CT_SD1|CT_SD2)
#define CT_BLOCK 0x08
#define _DISKIO
#endif

2936
tools/ffsample/linux/ff.c Normal file
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547
tools/ffsample/linux/ff.h Normal file
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/*---------------------------------------------------------------------------/
/ FatFs - FAT file system module include file R0.07a (C)ChaN, 2009
/----------------------------------------------------------------------------/
/ FatFs module is an open source software to implement FAT file system to
/ small embedded systems. This is a free software and is opened for education,
/ research and commercial developments under license policy of following trems.
/
/ Copyright (C) 2009, 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 use UNDER YOUR RESPONSIBILITY.
/ * Redistributions of source code must retain the above copyright notice.
/----------------------------------------------------------------------------*/
#include "integer.h"
/*---------------------------------------------------------------------------/
/ FatFs Configuration Options
/
/ CAUTION! Do not forget to make clean the project after any changes to
/ the configuration options.
/
/----------------------------------------------------------------------------*/
#ifndef _FATFS
#define _FATFS
#define _WORD_ACCESS 1
/* The _WORD_ACCESS option defines which access method is used to the word
/ data in the FAT structure.
/
/ 0: Byte-by-byte access. Always compatible with all platforms.
/ 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 efficiency. */
#define _FS_READONLY 0
/* 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
/* The _FS_MINIMIZE option defines minimization level to remove some functions.
/
/ 0: Full function.
/ 1: f_stat, f_getfree, f_unlink, f_mkdir, f_chmod, f_truncate and f_rename
/ are removed.
/ 2: f_opendir and f_readdir are removed in addition to level 1.
/ 3: f_lseek is removed in addition to level 2. */
#define _FS_TINY 1
/* 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 _USE_STRFUNC 0
/* To enable string functions, set _USE_STRFUNC to 1 or 2. */
#define _USE_MKFS 1
/* To enable f_mkfs function, set _USE_MKFS to 1 and set _FS_READONLY to 0 */
#define _USE_FORWARD 0
/* To enable f_forward function, set _USE_FORWARD to 1 and set _FS_TINY to 1. */
#define _DRIVES 2
/* Number of volumes (logical drives) to be used. */
#define _MAX_SS 512
/* Maximum sector size to be handled. (512/1024/2048/4096) */
/* 512 for memroy card and hard disk, 1024 for floppy disk, 2048 for MO disk */
#define _MULTI_PARTITION 0
/* When _MULTI_PARTITION is set to 0, each volume is bound to the same physical
/ drive number and can mount only first primaly partition. When it is set to 1,
/ each volume is tied to the partitions listed in Drives[]. */
#define _CODE_PAGE 932
/* The _CODE_PAGE specifies the OEM code page to be used on the target system.
/ When it is non LFN configuration, there is no difference between SBCS code
/ pages. When LFN is enabled, the code page must always be set correctly.
/ 437 - U.S.
/ 720 - Arabic
/ 737 - Greek
/ 775 - Baltic
/ 850 - Multilingual Latin 1
/ 852 - Latin 2
/ 855 - Cyrillic
/ 857 - Turkish
/ 858 - Multilingual Latin 1 + Euro
/ 862 - Hebrew
/ 866 - Russian
/ 874 - Thai
/ 932 - Japanese Shift-JIS (DBCS)
/ 936 - Simplified Chinese GBK (DBCS)
/ 949 - Korean (DBCS)
/ 950 - Traditional Chinese Big5 (DBCS)
/ 1258 - Vietnam
*/
#define _USE_LFN 0
#define _MAX_LFN 255 /* Maximum LFN length to handle (max:255) */
/* The _USE_LFN option switches the LFN support.
/
/ 0: Disable LFN.
/ 1: Enable LFN with static working buffer on the bss. NOT REENTRANT.
/ 2: Enable LFN with dynamic working buffer on the caller's STACK.
/
/ The working buffer occupies (_MAX_LFN + 1) * 2 bytes. When enable LFN,
/ a Unicode - OEM code conversion function ff_convert() must be added to
/ the project. */
#define _FS_REENTRANT 0
#define _TIMEOUT 1000 /* Timeout period in unit of time ticks */
#define _SYNC_t HANDLE /* Type of sync object used on the OS. */
/* e.g. HANDLE, OS_EVENT*, ID and etc.. */
/* To make the FatFs module re-entrant, set _FS_REENTRANT to 1 and add user
/ provided synchronization handlers, ff_req_grant, ff_rel_grant,
/ ff_del_syncobj and ff_cre_syncobj function to the project. */
/* End of configuration options. Do not change followings without care. */
/*--------------------------------------------------------------------------*/
/* Definitions corresponds to multiple sector size */
#if _MAX_SS == 512
#define SS(fs) 512
#else
#if _MAX_SS == 1024 || _MAX_SS == 2048 || _MAX_SS == 4096
#define SS(fs) ((fs)->s_size)
#else
#error Sector size must be 512, 1024, 2048 or 4096.
#endif
#endif
/* File system object structure */
typedef struct _FATFS {
BYTE fs_type; /* FAT sub type */
BYTE drive; /* Physical drive number */
BYTE csize; /* Number of sectors per cluster */
BYTE n_fats; /* Number of FAT copies */
BYTE wflag; /* win[] dirty flag (1:must be written back) */
BYTE pad1;
WORD id; /* File system mount ID */
WORD n_rootdir; /* Number of root directory entries (0 on FAT32) */
#if _FS_REENTRANT
_SYNC_t sobj; /* Identifier of sync object */
#endif
#if _MAX_SS != 512U
WORD s_size; /* Sector size */
#endif
#if !_FS_READONLY
BYTE fsi_flag; /* fsinfo dirty flag (1:must be written back) */
BYTE pad2;
DWORD last_clust; /* Last allocated cluster */
DWORD free_clust; /* Number of free clusters */
DWORD fsi_sector; /* fsinfo sector */
#endif
DWORD sects_fat; /* Sectors per fat */
DWORD max_clust; /* Maximum cluster# + 1. Number of clusters is max_clust - 2 */
DWORD fatbase; /* FAT start sector */
DWORD dirbase; /* Root directory start sector (Cluster# on FAT32) */
DWORD database; /* Data start sector */
DWORD winsect; /* Current sector appearing in the win[] */
BYTE win[_MAX_SS];/* Disk access window for Directory/FAT */
} FATFS;
/* Directory object structure */
typedef struct _DIR {
WORD id; /* Owner file system mount ID */
WORD index; /* Current index number */
FATFS* fs; /* Pointer to the owner file system object */
DWORD sclust; /* Table start cluster (0:Static table) */
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 (0xFFFF:No LFN) */
#endif
} DIR;
/* File object structure */
typedef struct _FIL {
FATFS* fs; /* Pointer to the owner file system object */
WORD id; /* Owner file system mount ID */
BYTE flag; /* File status flags */
BYTE csect; /* Sector address in the cluster */
DWORD fptr; /* File R/W pointer */
DWORD fsize; /* File size */
DWORD org_clust; /* File start cluster */
DWORD curr_clust; /* Current cluster */
DWORD dsect; /* Current data sector */
#if !_FS_READONLY
DWORD dir_sect; /* Sector containing the directory entry */
BYTE* dir_ptr; /* Ponter to the directory entry in the window */
#endif
#if !_FS_TINY
BYTE buf[_MAX_SS];/* File R/W buffer */
#endif
} FIL;
/* File status structure */
typedef struct _FILINFO {
DWORD fsize; /* File size */
WORD fdate; /* Last modified date */
WORD ftime; /* Last modified time */
BYTE fattrib; /* Attribute */
char fname[13]; /* Short file name (8.3 format) */
#if _USE_LFN
char *lfname; /* Pointer to the LFN buffer */
int lfsize; /* Size of LFN buffer [bytes] */
#endif
} FILINFO;
/* DBCS code ranges */
#if _CODE_PAGE == 932 /* CP932 (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 /* CP936 (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 /* CP949 (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 /* CP950 (Traditional Chinese Big5) */
#define _DF1S 0x81
#define _DF1E 0xFE
#define _DS1S 0x40
#define _DS1E 0x7E
#define _DS2S 0xA1
#define _DS2E 0xFE
#else /* SBCS code pages */
#define _DF1S 0
#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 /* DBCS configuration */
#if _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
#if _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 /* SBCS configuration */
#define IsDBCS1(c) 0
#define IsDBCS2(c) 0
#endif /* _DF1S */
/* Definitions corresponds to multi partition */
#if _MULTI_PARTITION /* Multiple partition configuration */
typedef struct _PARTITION {
BYTE pd; /* Physical drive# */
BYTE pt; /* Partition # (0-3) */
} PARTITION;
extern
const PARTITION Drives[]; /* Logical drive# to physical location conversion table */
#define LD2PD(drv) (Drives[drv].pd) /* Get physical drive# */
#define LD2PT(drv) (Drives[drv].pt) /* Get partition# */
#else /* Single partition configuration */
#define LD2PD(drv) (drv) /* Physical drive# is equal to the logical drive# */
#define LD2PT(drv) 0 /* Always mounts the 1st partition */
#endif
/* File function return code (FRESULT) */
typedef enum {
FR_OK = 0, /* 0 */
FR_DISK_ERR, /* 1 */
FR_INT_ERR, /* 2 */
FR_NOT_READY, /* 3 */
FR_NO_FILE, /* 4 */
FR_NO_PATH, /* 5 */
FR_INVALID_NAME, /* 6 */
FR_DENIED, /* 7 */
FR_EXIST, /* 8 */
FR_INVALID_OBJECT, /* 9 */
FR_WRITE_PROTECTED, /* 10 */
FR_INVALID_DRIVE, /* 11 */
FR_NOT_ENABLED, /* 12 */
FR_NO_FILESYSTEM, /* 13 */
FR_MKFS_ABORTED, /* 14 */
FR_TIMEOUT /* 15 */
} FRESULT;
/*--------------------------------------------------------------*/
/* FatFs module application interface */
FRESULT f_mount (BYTE, FATFS*); /* Mount/Unmount a logical drive */
FRESULT f_open (FIL*, const char*, BYTE); /* Open or create a file */
FRESULT f_read (FIL*, void*, UINT, UINT*); /* Read data from a file */
FRESULT f_write (FIL*, const void*, UINT, UINT*); /* Write data to 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 (DIR*, const char*); /* Open an existing directory */
FRESULT f_readdir (DIR*, FILINFO*); /* Read a directory item */
FRESULT f_stat (const char*, FILINFO*); /* Get file status */
FRESULT f_getfree (const char*, 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 char*); /* Delete an existing file or directory */
FRESULT f_mkdir (const char*); /* Create a new directory */
FRESULT f_chmod (const char*, BYTE, BYTE); /* Change attriburte of the file/dir */
FRESULT f_utime (const char*, const FILINFO*); /* Change timestamp of the file/dir */
FRESULT f_rename (const char*, const char*); /* Rename/Move a file or directory */
FRESULT f_forward (FIL*, UINT(*)(const BYTE*,UINT), UINT, UINT*); /* Forward data to the stream */
FRESULT f_mkfs (BYTE, BYTE, WORD); /* Create a file system on the drive */
#if _USE_STRFUNC
int f_putc (int, FIL*); /* Put a character to the file */
int f_puts (const char*, FIL*); /* Put a string to the file */
int f_printf (FIL*, const char*, ...); /* Put a formatted string to the file */
char* f_gets (char*, 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)
#ifndef EOF
#define EOF -1
#endif
#endif
/*--------------------------------------------------------------*/
/* User defined functions */
/* Real time clock */
#if !_FS_READONLY
DWORD get_fattime (void); /* 31-25: Year(0-127 org.1980), 24-21: Month(1-12), 20-16: Day(1-31) */
/* 15-11: Hour(0-23), 10-5: Minute(0-59), 4-0: Second(0-29 *2) */
#endif
/* Unicode - OEM code conversion */
#if _USE_LFN
WCHAR ff_convert (WCHAR, UINT);
#endif
/* Sync functions */
#if _FS_REENTRANT
BOOL ff_cre_syncobj(BYTE, _SYNC_t*);
BOOL ff_del_syncobj(_SYNC_t);
BOOL ff_req_grant(_SYNC_t);
void ff_rel_grant(_SYNC_t);
#endif
/*--------------------------------------------------------------*/
/* Flags and offset address */
/* File access control and file status flags (FIL.flag) */
#define FA_READ 0x01
#define FA_OPEN_EXISTING 0x00
#if _FS_READONLY == 0
#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
#define FA__ERROR 0x80
/* 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 */
/* FatFs refers the members in the FAT structures with byte offset instead
/ of structure member because there are incompatibility of the packing option
/ between various compilers. */
#define BS_jmpBoot 0
#define BS_OEMName 3
#define BPB_BytsPerSec 11
#define BPB_SecPerClus 13
#define BPB_RsvdSecCnt 14
#define BPB_NumFATs 16
#define BPB_RootEntCnt 17
#define BPB_TotSec16 19
#define BPB_Media 21
#define BPB_FATSz16 22
#define BPB_SecPerTrk 24
#define BPB_NumHeads 26
#define BPB_HiddSec 28
#define BPB_TotSec32 32
#define BS_55AA 510
#define BS_DrvNum 36
#define BS_BootSig 38
#define BS_VolID 39
#define BS_VolLab 43
#define BS_FilSysType 54
#define BPB_FATSz32 36
#define BPB_ExtFlags 40
#define BPB_FSVer 42
#define BPB_RootClus 44
#define BPB_FSInfo 48
#define BPB_BkBootSec 50
#define BS_DrvNum32 64
#define BS_BootSig32 66
#define BS_VolID32 67
#define BS_VolLab32 71
#define BS_FilSysType32 82
#define FSI_LeadSig 0
#define FSI_StrucSig 484
#define FSI_Free_Count 488
#define FSI_Nxt_Free 492
#define MBR_Table 446
#define DIR_Name 0
#define DIR_Attr 11
#define DIR_NTres 12
#define DIR_CrtTime 14
#define DIR_CrtDate 16
#define DIR_FstClusHI 20
#define DIR_WrtTime 22
#define DIR_WrtDate 24
#define DIR_FstClusLO 26
#define DIR_FileSize 28
#define LDIR_Ord 0
#define LDIR_Attr 11
#define LDIR_Type 12
#define LDIR_Chksum 13
#define LDIR_FstClusLO 26
/*--------------------------------*/
/* Multi-byte word access macros */
#if _WORD_ACCESS == 1 /* Enable word access to the FAT structure */
#define LD_WORD(ptr) (WORD)(*(WORD*)(BYTE*)(ptr))
#define LD_DWORD(ptr) (DWORD)(*(DWORD*)(BYTE*)(ptr))
#define ST_WORD(ptr,val) *(WORD*)(BYTE*)(ptr)=(WORD)(val)
#define ST_DWORD(ptr,val) *(DWORD*)(BYTE*)(ptr)=(DWORD)(val)
#else /* Use byte-by-byte access to the FAT structure */
#define LD_WORD(ptr) (WORD)(((WORD)*(BYTE*)((ptr)+1)<<8)|(WORD)*(BYTE*)(ptr))
#define LD_DWORD(ptr) (DWORD)(((DWORD)*(BYTE*)((ptr)+3)<<24)|((DWORD)*(BYTE*)((ptr)+2)<<16)|((WORD)*(BYTE*)((ptr)+1)<<8)|*(BYTE*)(ptr))
#define ST_WORD(ptr,val) *(BYTE*)(ptr)=(BYTE)(val); *(BYTE*)((ptr)+1)=(BYTE)((WORD)(val)>>8)
#define ST_DWORD(ptr,val) *(BYTE*)(ptr)=(BYTE)(val); *(BYTE*)((ptr)+1)=(BYTE)((WORD)(val)>>8); *(BYTE*)((ptr)+2)=(BYTE)((DWORD)(val)>>16); *(BYTE*)((ptr)+3)=(BYTE)((DWORD)(val)>>24)
#endif
#endif /* _FATFS */

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/*-------------------------------------------*/
/* Integer type definitions for FatFs module */
/*-------------------------------------------*/
#ifndef _INTEGER
#if 0
#include <windows.h>
#else
/* 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 signed char CHAR;
typedef unsigned char UCHAR;
typedef unsigned char BYTE;
/* These types must be 16-bit integer */
typedef short SHORT;
typedef unsigned short USHORT;
typedef unsigned short WORD;
typedef unsigned short WCHAR;
/* These types must be 32-bit integer */
typedef long LONG;
typedef unsigned long ULONG;
typedef unsigned long DWORD;
/* Boolean type */
typedef enum { FALSE = 0, TRUE } BOOL;
#endif
#define _INTEGER
#endif

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/*----------------------------------------------------------------------*/
/* FAT file system sample project for FatFs R0.06 (C)ChaN, 2008 */
/*----------------------------------------------------------------------*/
#include <string.h>
#include <stdio.h>
#include <stdlib.h>
#include <time.h>
#include "diskio.h"
#include "ff.h"
DWORD acc_size; /* Work register for fs command */
WORD acc_files, acc_dirs;
FILINFO finfo;
BYTE line[120]; /* Console input buffer */
FATFS fatfs[2]; /* File system object for each logical drive */
BYTE Buff[1024]; /* Working buffer */
volatile WORD Timer; /* 100Hz increment timer */
#if _MULTI_PARTITION != 0
const PARTITION Drives[] = { {0,0}, {0,1} };
#endif
char xatoi(char **str, long *ret){
*ret = atoi(*str);
//printf("'%s' '%li'\n",*str,*ret);
}
/*---------------------------------------------------------*/
/* User Provided Timer Function for FatFs module */
/*---------------------------------------------------------*/
/* This is a real time clock service to be called from */
/* FatFs module. Any valid time must be returned even if */
/* the system does not support a real time clock. */
/* This is not required in read-only configuration. */
DWORD get_fattime ()
{
time_t rawtime;
struct tm * ptm;
time ( &rawtime );
ptm = gmtime ( &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 >> 1);
}
/*--------------------------------------------------------------------------*/
/* Monitor */
static
void put_dump (const BYTE *buff, LONG ofs, BYTE cnt)
{
BYTE n;
printf("%08lX ", ofs);
for(n = 0; n < cnt; n++)
printf(" %02X", buff[n]);
printf(" ");
for(n = 0; n < cnt; n++) {
if ((buff[n] < 0x20)||(buff[n] >= 0x7F))
printf(".");
else
printf("%c",buff[n]);
}
printf("\n");
}
static
void get_line (char *buff, int len)
{
char c;
int idx = 0;
for (;;) {
c = getc(stdin);
if (c == 0x0a) break;
if ((c == '\b') && idx) {
idx--;
}
if (((BYTE)c >= ' ') && (idx < len - 1)) {
buff[idx++] = c;
}
}
printf("return %s\n",buff);
buff[idx] = 0;
}
static
FRESULT scan_files (char* path)
{
DIR dirs;
FRESULT res;
int i;
if ((res = f_opendir(&dirs, path)) == FR_OK) {
i = strlen(path);
while (((res = f_readdir(&dirs, &finfo)) == FR_OK) && finfo.fname[0]) {
if (finfo.fattrib & AM_DIR) {
acc_dirs++;
*(path+i) = '/'; strcpy(path+i+1, &finfo.fname[0]);
res = scan_files(path);
*(path+i) = '\0';
if (res != FR_OK) break;
} else {
acc_files++;
acc_size += finfo.fsize;
}
}
}
return res;
}
static
void put_rc (FRESULT rc)
{
const char* str[] = {
"OK",
"DISK_ERR",
"INT_ERR",
"NOT_READY",
"NO_FILE",
"NO_PATH",
"INVALID_NAME",
"DENIED",
"EXIST",
"INVALID_OBJECT",
"WRITE_PROTECTED",
"INVALID_DRIVE",
"NOT_ENABLED",
"NO_FILE_SYSTEM",
"MKFS_ABORTED",
"TIMEOUT"
};
printf("rc=%u FR_%s\n", (WORD)rc, str[rc]);
}
static
void IoInit ()
{
}
/*-----------------------------------------------------------------------*/
/* Main */
int main (void)
{
char *ptr, *ptr2;
DWORD p1, p2, p3;
BYTE res, b1;
WORD w1;
UINT s1, s2, cnt;
DWORD ofs, sect = 0;
time_t rawtime;
struct tm * ptm;
FATFS *fs;
DIR dir; /* Directory object */
FIL file1, file2; /* File object */
IoInit();
printf("FatFs module test monitor\n");
for (;;) {
printf(">");
get_line(line, sizeof(line));
ptr = line;
switch (*ptr++) {
case 'd' :
switch (*ptr++) {
case 'd' : /* dd <phy_drv#> [<sector>] - Dump secrtor */
if (!xatoi(&ptr, &p1)) break;
if (!xatoi(&ptr, &p2)) p2 = sect;
res = disk_read((BYTE)p1, Buff, p2, 1);
if (res) { printf("rc=%d\n", (WORD)res); break; }
sect = p2 + 1;
printf("Sector:%lu\n", p2);
for (ptr=Buff, ofs = 0; ofs < 0x200; ptr+=16, ofs+=16)
put_dump(ptr, ofs, 16);
break;
case 'i' : /* di <phy_drv#> - Initialize disk */
if (!xatoi(&ptr, &p1)) break;
printf("rc=%d\n", (WORD)disk_initialize((BYTE)p1));
break;
case 's' : /* ds <phy_drv#> - Show disk status */
if (!xatoi(&ptr, &p1)) break;
if (disk_ioctl((BYTE)p1, GET_SECTOR_COUNT, &p2) == RES_OK)
{ printf("Drive size: %lu sectors\n", p2); }
if (disk_ioctl((BYTE)p1, GET_SECTOR_SIZE, &w1) == RES_OK)
{ printf("Sector size: %u\n", w1); }
if (disk_ioctl((BYTE)p1, GET_BLOCK_SIZE, &p2) == RES_OK)
{ printf("Erase block size: %lu sectors\n", p2); }
if (disk_ioctl((BYTE)p1, MMC_GET_TYPE, &b1) == RES_OK)
{ printf("Card type: %u\n", b1); }
if (disk_ioctl((BYTE)p1, MMC_GET_CSD, Buff) == RES_OK)
{ printf("CSD:\n"); put_dump(Buff, 0, 16); }
if (disk_ioctl((BYTE)p1, MMC_GET_CID, Buff) == RES_OK)
{ printf("CID:\n"); put_dump(Buff, 0, 16); }
if (disk_ioctl((BYTE)p1, MMC_GET_OCR, Buff) == RES_OK)
{ printf("OCR:\n"); put_dump(Buff, 0, 4); }
if (disk_ioctl((BYTE)p1, MMC_GET_SDSTAT, Buff) == RES_OK) {
printf("SD Status:\n");
for (s1 = 0; s1 < 64; s1 += 16) put_dump(Buff+s1, s1, 16);
}
if (disk_ioctl((BYTE)p1, ATA_GET_MODEL, line) == RES_OK)
{ line[40] = '\0'; printf("Model: %s\n", line); }
if (disk_ioctl((BYTE)p1, ATA_GET_SN, line) == RES_OK)
{ line[20] = '\0'; printf("S/N: %s\n", line); }
break;
}
break;
case 'b' :
switch (*ptr++) {
case 'd' : /* bd <addr> - Dump R/W buffer */
if (!xatoi(&ptr, &p1)) break;
for (ptr=&Buff[p1], ofs = p1, cnt = 32; cnt; cnt--, ptr+=16, ofs+=16)
put_dump(ptr, ofs, 16);
break;
case 'e' : /* be <addr> [<data>] ... - Edit R/W buffer */
if (!xatoi(&ptr, &p1)) break;
if (xatoi(&ptr, &p2)) {
do {
Buff[p1++] = (BYTE)p2;
} while (xatoi(&ptr, &p2));
break;
}
for (;;) {
printf("%04X %02X-", (WORD)(p1), (WORD)Buff[p1]);
get_line(line, sizeof(line));
ptr = line;
if (*ptr == '.') break;
if (*ptr < ' ') { p1++; continue; }
if (xatoi(&ptr, &p2))
Buff[p1++] = (BYTE)p2;
else
printf("???\n");
}
break;
case 'r' : /* br <phy_drv#> <sector> [<n>] - Read disk into R/W buffer */
if (!xatoi(&ptr, &p1)) break;
if (!xatoi(&ptr, &p2)) break;
if (!xatoi(&ptr, &p3)) p3 = 1;
printf("rc=%u\n", (WORD)disk_read((BYTE)p1, Buff, p2, p3));
break;
case 'w' : /* bw <phy_drv#> <sector> [<n>] - Write R/W buffer into disk */
if (!xatoi(&ptr, &p1)) break;
if (!xatoi(&ptr, &p2)) break;
if (!xatoi(&ptr, &p3)) p3 = 1;
printf("rc=%u\n", (WORD)disk_write((BYTE)p1, Buff, p2, p3));
break;
case 'f' : /* bf <n> - Fill working buffer */
if (!xatoi(&ptr, &p1)) break;
memset(Buff, (BYTE)p1, sizeof(Buff));
break;
}
break;
case 'f' :
switch (*ptr++) {
case 'i' : /* fi <log drv#> - Initialize logical drive */
if (!xatoi(&ptr, &p1)) break;
put_rc(f_mount((BYTE)p1, &fatfs[p1]));
break;
case 's' : /* fs [<path>] - Show logical drive status */
while (*ptr == ' ') ptr++;
res = f_getfree(ptr, &p2, &fs);
if (res) { put_rc(res); break; }
printf("FAT type = %u\nBytes/Cluster = %lu\nNumber of FATs = %u\n"
"Root DIR entries = %u\nSectors/FAT = %lu\nNumber of clusters = %lu\n"
"FAT start (lba) = %lu\nDIR start (lba,clustor) = %lu\nData start (lba) = %lu\n",
(WORD)fs->fs_type, (DWORD)fs->csize * 512, (WORD)fs->n_fats,
fs->n_rootdir, (DWORD)fs->sects_fat, (DWORD)fs->max_clust - 2,
fs->fatbase, fs->dirbase, fs->database
);
acc_size = acc_files = acc_dirs = 0;
res = scan_files(ptr);
if (res) { put_rc(res); break; }
printf("%u files, %lu bytes.\n%u folders.\n"
"%lu KB total disk space.\n%lu KB available.\n",
acc_files, acc_size, acc_dirs,
(fs->max_clust - 2) * (fs->csize / 2), p2 * (fs->csize / 2)
);
break;
case 'l' : /* fl [<path>] - Directory listing */
while (*ptr == ' ') ptr++;
res = f_opendir(&dir, ptr);
if (res) { put_rc(res); break; }
p1 = s1 = s2 = 0;
for(;;) {
res = f_readdir(&dir, &finfo);
if ((res != FR_OK) || !finfo.fname[0]) break;
if (finfo.fattrib & AM_DIR) {
s2++;
} else {
s1++; p1 += finfo.fsize;
}
printf("%c%c%c%c%c %u/%02u/%02u %02u:%02u %9lu %s\n",
(finfo.fattrib & AM_DIR) ? 'D' : '-',
(finfo.fattrib & AM_RDO) ? 'R' : '-',
(finfo.fattrib & AM_HID) ? 'H' : '-',
(finfo.fattrib & AM_SYS) ? 'S' : '-',
(finfo.fattrib & AM_ARC) ? 'A' : '-',
(finfo.fdate >> 9) + 1980, (finfo.fdate >> 5) & 15, finfo.fdate & 31,
(finfo.ftime >> 11), (finfo.ftime >> 5) & 63,
finfo.fsize, &(finfo.fname[0]));
}
printf("%4u File(s),%10lu bytes total\n%4u Dir(s)", s1, p1, s2);
if (f_getfree(ptr, &p1, &fs) == FR_OK)
printf(", %10luK bytes free\n", p1 * fs->csize / 2);
break;
case 'o' : /* fo <mode> <name> - Open a file */
if (!(&ptr, &p1)) break;
while (*ptr == ' ') ptr++;
put_rc(f_open(&file1, ptr, (BYTE)p1));
break;
case 'c' : /* fc - Close a file */
put_rc(f_close(&file1));
break;
case 'e' : /* fe - Seek file pointer */
if (!xatoi(&ptr, &p1)) break;
res = f_lseek(&file1, p1);
put_rc(res);
if (res == FR_OK)
printf("fptr = %lu(0x%lX)\n", file1.fptr, file1.fptr);
break;
case 'r' : /* fr <len> - read file */
if (!xatoi(&ptr, &p1)) break;
p2 = 0;
Timer = 0;
while (p1) {
if (p1 >= sizeof(Buff)) { cnt = sizeof(Buff); p1 -= sizeof(Buff); }
else { cnt = (WORD)p1; p1 = 0; }
res = f_read(&file1, Buff, cnt, &s2);
if (res != FR_OK) { put_rc(res); break; }
p2 += s2;
if (cnt != s2) break;
}
s2 = Timer;
printf("%lu bytes read with %lu bytes/sec.\n", p2, p2 * 100 / s2);
break;
case 'd' : /* fd <len> - read and dump file from current fp */
if (!xatoi(&ptr, &p1)) break;
ofs = file1.fptr;
while (p1) {
if (p1 >= 16) { cnt = 16; p1 -= 16; }
else { cnt = (WORD)p1; p1 = 0; }
res = f_read(&file1, Buff, cnt, &cnt);
if (res != FR_OK) { put_rc(res); break; }
if (!cnt) break;
put_dump(Buff, ofs, cnt);
ofs += 16;
}
break;
case 'w' : /* fw <len> <val> - write file */
if (!xatoi(&ptr, &p1) || !xatoi(&ptr, &p2)) break;
memset(Buff, (BYTE)p2, sizeof(Buff));
p2 = 0;
Timer = 0;
while (p1) {
if (p1 >= sizeof(Buff)) { cnt = sizeof(Buff); p1 -= sizeof(Buff); }
else { cnt = (WORD)p1; p1 = 0; }
res = f_write(&file1, Buff, cnt, &s2);
if (res != FR_OK) { put_rc(res); break; }
p2 += s2;
if (cnt != s2) break;
}
s2 = Timer;
printf("%lu bytes written with %lu bytes/sec.\n", p2, p2 * 100 / s2);
break;
case 'v' : /* fv - Truncate file */
put_rc(f_truncate(&file1));
break;
case 'n' : /* fn <old_name> <new_name> - Change file/dir name */
while (*ptr == ' ') ptr++;
ptr2 = strchr(ptr, ' ');
if (!ptr2) break;
*ptr2++ = 0;
while (*ptr2 == ' ') ptr2++;
put_rc(f_rename(ptr, ptr2));
break;
case 'u' : /* fu <name> - Unlink a file or dir */
while (*ptr == ' ') ptr++;
put_rc(f_unlink(ptr));
break;
case 'k' : /* fk <name> - Create a directory */
while (*ptr == ' ') ptr++;
put_rc(f_mkdir(ptr));
break;
case 'a' : /* fa <atrr> <mask> <name> - Change file/dir attribute */
if (!xatoi(&ptr, &p1) || !xatoi(&ptr, &p2)) break;
while (*ptr == ' ') ptr++;
put_rc(f_chmod(ptr, p1, p2));
break;
case 't' : /* ft <year> <month> <day> <hour> <min> <sec> <name> */
if (!xatoi(&ptr, &p1) || !xatoi(&ptr, &p2) || !xatoi(&ptr, &p3)) break;
finfo.fdate = ((p1 - 1980) << 9) | ((p2 & 15) << 5) | (p3 & 31);
if (!xatoi(&ptr, &p1) || !xatoi(&ptr, &p2) || !xatoi(&ptr, &p3)) break;
finfo.ftime = ((p1 & 31) << 11) | ((p1 & 63) << 5) | ((p1 >> 1) & 31);
put_rc(f_utime(ptr, &finfo));
break;
case 'x' : /* fx <src_name> <dst_name> - Copy file */
while (*ptr == ' ') ptr++;
ptr2 = strchr(ptr, ' ');
if (!ptr2) break;
*ptr2++ = 0;
printf("Opening \"%s\"", ptr);
res = f_open(&file1, ptr, FA_OPEN_EXISTING | FA_READ);
if (res) {
put_rc(res);
break;
}
printf("\nCreating \"%s\"", ptr2);
res = f_open(&file2, ptr2, FA_CREATE_ALWAYS | FA_WRITE);
if (res) {
put_rc(res);
f_close(&file1);
break;
}
printf("\nCopying...");
p1 = 0;
for (;;) {
res = f_read(&file1, Buff, sizeof(Buff), &s1);
if (res || s1 == 0) break; /* error or eof */
res = f_write(&file2, Buff, s1, &s2);
p1 += s2;
if (res || s2 < s1) break; /* error or disk full */
}
if (res) put_rc(res);
printf("\n%lu bytes copied.\n", p1);
f_close(&file1);
f_close(&file2);
break;
#if _USE_MKFS
case 'm' : /* fm <logi drv#> <part type> <bytes/clust> - Create file system */
if (!xatoi(&ptr, &p1) || !xatoi(&ptr, &p2) || !xatoi(&ptr, &p3)) break;
printf("The drive %u will be formatted. Are you sure? (Y/n)=", (WORD)p1);
get_line(ptr, sizeof(line));
if (*ptr == 'Y') put_rc(f_mkfs((BYTE)p1, (BYTE)p2, (WORD)p3));
break;
#endif
}
break;
case 't' : /* t [<year> <mon> <mday> <hour> <min> <sec>] */
if (xatoi(&ptr, &p1)) {
time ( &rawtime );
ptm = gmtime ( &rawtime );
ptm->tm_year = (WORD)p1;
xatoi(&ptr, &p1); ptm->tm_mon = (BYTE)p1;
xatoi(&ptr, &p1); ptm->tm_mday = (BYTE)p1;
xatoi(&ptr, &p1); ptm->tm_hour = (BYTE)p1;
xatoi(&ptr, &p1); ptm->tm_min = (BYTE)p1;
if (!xatoi(&ptr, &p1)) break;
ptm->tm_sec = (BYTE)p1;
//rtc_settime(&rtc);
}
time ( &rawtime );
ptm = gmtime ( &rawtime );
printf("%u/%u/%u %02u:%02u:%02u\n", 1900 + ptm->tm_year, ptm->tm_mon + 1, ptm->tm_mday, ptm->tm_hour, ptm->tm_min, ptm->tm_sec);
break;
}
}
}