mirror of
https://github.com/parasyte/alt64
synced 2024-11-13 12:45:05 -05:00
129 lines
2.5 KiB
C
129 lines
2.5 KiB
C
|
/*
|
|||
|
|
* File: fat.h
|
|||
|
|
* Author: krik
|
|||
|
|
*
|
|||
|
|
* Created on 22 <EFBFBD><EFBFBD><EFBFBD> 2011 <EFBFBD>., 1:06
|
|||
|
|
*/
|
|||
|
|
|
|||
|
|
#ifndef _FAT_H
|
|||
|
|
#define _FAT_H
|
|||
|
|
|
|||
|
|
#include "types.h"
|
|||
|
|
#include "errors.h"
|
|||
|
|
|
|||
|
|
|
|||
|
|
|
|||
|
|
|
|||
|
|
#define FAT_MAX_DIR_SIZE 1024
|
|||
|
|
#define FAT_MAX_NAME_LEN 128
|
|||
|
|
#define FAT_MAX_NAME_LEN_S 256
|
|||
|
|
|
|||
|
|
#define FAT_TYPE_16 1
|
|||
|
|
#define FAT_TYPE_32 2
|
|||
|
|
|
|||
|
|
typedef struct {
|
|||
|
|
u8 name[FAT_MAX_NAME_LEN];
|
|||
|
|
u32 entry_cluster;
|
|||
|
|
u32 size;
|
|||
|
|
u32 hdr_sector;
|
|||
|
|
u16 hdr_idx;
|
|||
|
|
u16 fav_idx;
|
|||
|
|
u8 is_dir;
|
|||
|
|
} FatRecord;
|
|||
|
|
|
|||
|
|
typedef struct {
|
|||
|
|
u8 name[8];
|
|||
|
|
u8 ext[3];
|
|||
|
|
u8 attrib;
|
|||
|
|
u8 x[8];
|
|||
|
|
u16 cluster_hi;
|
|||
|
|
u16 time;
|
|||
|
|
u16 date;
|
|||
|
|
u16 cluster_lo;
|
|||
|
|
u32 size;
|
|||
|
|
} FatRecordHdr;
|
|||
|
|
|
|||
|
|
typedef struct {
|
|||
|
|
FatRecord * rec[FAT_MAX_DIR_SIZE];
|
|||
|
|
FatRecord * s_records[FAT_MAX_DIR_SIZE];
|
|||
|
|
u8 *path;
|
|||
|
|
u16 size;
|
|||
|
|
u32 entry_cluster;
|
|||
|
|
u32 entry_sector;
|
|||
|
|
u32 in_cluster_ptr;
|
|||
|
|
u32 current_cluster;
|
|||
|
|
u8 is_root;
|
|||
|
|
} Dir;
|
|||
|
|
|
|||
|
|
typedef struct {
|
|||
|
|
u32 pbr_entry;
|
|||
|
|
u32 root_entry;
|
|||
|
|
u32 fat_entry;
|
|||
|
|
u32 data_entry;
|
|||
|
|
u8 type;
|
|||
|
|
u8 cluster_size;
|
|||
|
|
u32 loaded_sector;
|
|||
|
|
u32 cluster_byte_size;
|
|||
|
|
u32 sectors_per_fat;
|
|||
|
|
} Fat;
|
|||
|
|
|
|||
|
|
typedef struct {
|
|||
|
|
u8 *table_buff;
|
|||
|
|
u8 *table_sector;
|
|||
|
|
u8 *data_sector;
|
|||
|
|
u32 data_sec_idx;
|
|||
|
|
u32 table_sec_idx;
|
|||
|
|
} FatCache;
|
|||
|
|
|
|||
|
|
typedef struct {
|
|||
|
|
u32 sector;
|
|||
|
|
u32 cluster;
|
|||
|
|
u32 sec_available;
|
|||
|
|
u16 in_cluster_ptr;
|
|||
|
|
FatRecord rec;
|
|||
|
|
u8 mode;
|
|||
|
|
} File;
|
|||
|
|
|
|||
|
|
|
|||
|
|
|
|||
|
|
extern Dir *dir;
|
|||
|
|
//extern Dir dir_o;
|
|||
|
|
extern File file;
|
|||
|
|
extern FatCache *fat_cache;
|
|||
|
|
//extern FatRecord rec_tmp;
|
|||
|
|
#define ED_ROOT "/ED64"
|
|||
|
|
#define ED_SAVE "/ED64/SDSAVE"
|
|||
|
|
#define ED_ROM_CFG "/ED64/SDSAVE/LAST.CRT"
|
|||
|
|
//#define ED_TEST_CFG "/MISC/test.dat"
|
|||
|
|
//#define ED_OPTIONS "/ED64/options.dat"
|
|||
|
|
//#define ED_FAVOR "/ED64/favor.dat"
|
|||
|
|
|
|||
|
|
//#define ED_SAVE_DMP "/EDMD/sav-dmp.bin"
|
|||
|
|
#define FILE_MODE_RD 1
|
|||
|
|
#define FILE_MODE_WR 2
|
|||
|
|
|
|||
|
|
u8 fatInit();
|
|||
|
|
u8 fatLoadDir(u32 cluster);
|
|||
|
|
u8 fatLoadDirByName(u8 *name);
|
|||
|
|
|
|||
|
|
u8 fatWriteFile(void *src, u32 sectors);
|
|||
|
|
u8 fatReadFile(void *dst, u32 sectors);
|
|||
|
|
u8 fatReadPartialFile(void *dst, u32 sectors, int b_offset);
|
|||
|
|
u8 fatCreateRecord(u8 *name, u8 is_dir, u8 check_exist);
|
|||
|
|
u8 fatOpenFileByeName(u8 *name, u32 wr_sectors);
|
|||
|
|
u8 fatFindRecord(u8 *name, FatRecord *rec, u8 is_dir);
|
|||
|
|
u8 fatOpenFile(FatRecord *rec, u32 wr_sectors);
|
|||
|
|
|
|||
|
|
u8 fatSkipSectors(u32 sectors);
|
|||
|
|
u8 fatCreateRecIfNotExist(u8 *name, u8 is_dir);
|
|||
|
|
u8 fatGetFullName(u8 *name, u32 dir_entry, u32 rec_entry);
|
|||
|
|
u8 fatOpenDirByName(u8 *name);
|
|||
|
|
void fatInitRam();
|
|||
|
|
|
|||
|
|
u8 streq(u8 *str1, u8 *str2);
|
|||
|
|
u8 streql(u8 *str1, u8 *str2, u8 len);
|
|||
|
|
u8 slen(u8 *str);
|
|||
|
|
void fatSortRecords();
|
|||
|
|
#endif /* _FAT_H */
|
|||
|
|
|