94 lines
3.0 KiB
C
94 lines
3.0 KiB
C
#ifndef CRASHPOWEROS_FAT_H
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#define CRASHPOWEROS_FAT_H
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#include "../include/common.h"
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struct FAT_CACHE {
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unsigned int ADR_DISKIMG;
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struct FAT_FILEINFO *root_directory;
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struct LIST *directory_list;
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struct LIST *directory_max_list;
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struct LIST *directory_clustno_list;
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int *fat;
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int FatMaxTerms;
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unsigned int ClustnoBytes;
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unsigned short RootMaxFiles;
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unsigned int RootDictAddress;
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unsigned int FileDataAddress;
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unsigned int imgTotalSize;
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unsigned short SectorBytes;
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unsigned int Fat1Address, Fat2Address;
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unsigned char *FatClustnoFlags;
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int type;
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};
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typedef struct {
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struct FAT_CACHE dm;
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struct FAT_FILEINFO *dir;
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} fat_cache;
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#define get_dm(vfs) ((fat_cache *)(vfs->cache))->dm
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#define get_now_dir(vfs) ((fat_cache *)(vfs->cache))->dir
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#define get_clustno(high, low) (high << 16) | (low & 0xffff)
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#define clustno_end(type) 0xfffffff & ((((1 << (type - 1)) - 1) << 1) + 1)
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struct FAT_FILEINFO {
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unsigned char name[8], ext[3], type;
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char reserve;
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unsigned char create_time_tenth;
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unsigned short create_time, create_date, access_date, clustno_high;
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unsigned short update_time, update_date, clustno_low;
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unsigned int size;
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};
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typedef struct FILE {
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unsigned int mode;
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unsigned int fileSize;
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unsigned char *buffer;
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unsigned int bufferSize;
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unsigned int p;
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char *name;
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} FILE;
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typedef enum { FLE, DIR, RDO, HID, SYS } ftype;
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typedef struct {
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char name[255];
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ftype type;
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unsigned int size;
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unsigned short year, month, day;
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unsigned short hour, minute;
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} vfs_file;
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typedef struct vfs_t {
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struct List *path;
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void *cache;
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char FSName[255];
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int disk_number;
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uint8_t drive; // 大写（必须）
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vfs_file *(*FileInfo)(struct vfs_t *vfs, char *filename);
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struct List *(*ListFile)(struct vfs_t *vfs, char *dictpath);
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bool (*ReadFile)(struct vfs_t *vfs, char *path, char *buffer);
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bool (*WriteFile)(struct vfs_t *vfs, char *path, char *buffer, int size);
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bool (*DelFile)(struct vfs_t *vfs, char *path);
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bool (*DelDict)(struct vfs_t *vfs, char *path);
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bool (*CreateFile)(struct vfs_t *vfs, char *filename);
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bool (*CreateDict)(struct vfs_t *vfs, char *filename);
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bool (*RenameFile)(struct vfs_t *vfs, char *filename, char *filename_of_new);
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bool (*Attrib)(struct vfs_t *vfs, char *filename, ftype type);
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bool (*Format)(uint8_t disk_number);
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void (*InitFs)(struct vfs_t *vfs, uint8_t disk_number);
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void (*DeleteFs)(struct vfs_t *vfs);
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bool (*Check)(uint8_t disk_number);
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bool (*cd)(struct vfs_t *vfs, char *dictName);
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int (*FileSize)(struct vfs_t *vfs, char *filename);
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void (*CopyCache)(struct vfs_t *dest, struct vfs_t *src);
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int flag;
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} vfs_t;
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/*
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void read_fat(unsigned char *img, int *fat, unsigned char *ff, int max,int type);
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int get_directory_max(struct FAT_FILEINFO *directory, vfs_t *vfs);
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void file_loadfile(int clustno, int size, char *buf, int *fat, vfs_t *vfs);
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void file_savefat(int *fat, int clustno, int length, vfs_t *vfs);
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*/
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#endif
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