diff options
Diffstat (limited to 'Projects/Incomplete/StandaloneProgrammer/Lib/PetiteFATFs/pff.h')
| -rw-r--r-- | Projects/Incomplete/StandaloneProgrammer/Lib/PetiteFATFs/pff.h | 237 |
1 files changed, 237 insertions, 0 deletions
diff --git a/Projects/Incomplete/StandaloneProgrammer/Lib/PetiteFATFs/pff.h b/Projects/Incomplete/StandaloneProgrammer/Lib/PetiteFATFs/pff.h new file mode 100644 index 000000000..b24339c0c --- /dev/null +++ b/Projects/Incomplete/StandaloneProgrammer/Lib/PetiteFATFs/pff.h @@ -0,0 +1,237 @@ +/*---------------------------------------------------------------------------/
+/ Petit FatFs - FAT file system module include file R0.01a (C)ChaN, 2009
+/----------------------------------------------------------------------------/
+/ Petit 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 Petit 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"
+
+/*---------------------------------------------------------------------------/
+/ Petit 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 0
+/* 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 _USE_DIR 0
+/* To enable pf_opendir and pf_readdir function, set _USE_DIR to 1. */
+
+
+#define _USE_LSEEK 0
+/* To enable pf_lseek function, set _USE_LSEEK to 1. */
+
+
+#define _FS_FAT32 0
+/* To enable FAT32 support, set _FS_FAT32 to 1. */
+
+
+/* End of configuration options. Do not change followings without care. */
+/*--------------------------------------------------------------------------*/
+
+
+#if _FS_FAT32
+#define CLUST DWORD
+#else
+#define CLUST WORD
+#endif
+
+
+/* File system object structure */
+
+typedef struct _FATFS_ {
+ BYTE fs_type; /* FAT sub type */
+ BYTE csize; /* Number of sectors per cluster */
+ BYTE flag; /* File status flags */
+ BYTE csect; /* File sector address in the cluster */
+ WORD n_rootdir; /* Number of root directory entries (0 on FAT32) */
+ BYTE* buf; /* Pointer to the disk access buffer */
+ CLUST 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 fptr; /* File R/W pointer */
+ DWORD fsize; /* File size */
+ CLUST org_clust; /* File start cluster */
+ CLUST curr_clust; /* File current cluster */
+ DWORD dsect; /* File current data sector */
+} FATFS;
+
+
+
+/* Directory object structure */
+
+typedef struct _DIR_ {
+ WORD index; /* Current read/write index number */
+ BYTE* fn; /* Pointer to the SFN (in/out) {file[8],ext[3],status[1]} */
+ CLUST sclust; /* Table start cluster (0:Static table) */
+ CLUST clust; /* Current cluster */
+ DWORD sect; /* Current sector */
+} DIR;
+
+
+
+/* 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]; /* File name */
+} FILINFO;
+
+
+
+/* File function return code (FRESULT) */
+
+typedef enum {
+ FR_OK = 0, /* 0 */
+ FR_DISK_ERR, /* 1 */
+ FR_NOT_READY, /* 2 */
+ FR_NO_FILE, /* 3 */
+ FR_NO_PATH, /* 4 */
+ FR_INVALID_NAME, /* 5 */
+ FR_STREAM_ERR, /* 6 */
+ FR_INVALID_OBJECT, /* 7 */
+ FR_NOT_ENABLED, /* 8 */
+ FR_NO_FILESYSTEM /* 9 */
+} FRESULT;
+
+
+
+/*--------------------------------------------------------------*/
+/* Petit FatFs module application interface */
+
+FRESULT pf_mount (FATFS*); /* Mount/Unmount a logical drive */
+FRESULT pf_open (const char*); /* Open a file */
+FRESULT pf_read (void*, WORD, WORD*); /* Read data from a file */
+FRESULT pf_lseek (DWORD); /* Move file pointer of a file object */
+FRESULT pf_opendir (DIR*, const char*); /* Open an existing directory */
+FRESULT pf_readdir (DIR*, FILINFO*); /* Read a directory item */
+
+
+
+/*--------------------------------------------------------------*/
+/* Flags and offset address */
+
+/* File status flag (FATFS.flag) */
+
+#define FA_READ 0x01
+#define FA_STREAM 0x40
+#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 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
+
+
+
+/*--------------------------------*/
+/* 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 */
|