nodemcu-firmware/app/platform/vfs_int.h

129 lines
3.0 KiB
C

// internal definitions for vfs
#ifndef __VFS_INT_H__
#define __VFS_INT_H__
#include <c_string.h>
#include <c_stdint.h>
#if 0
#include "spiffs.h"
#include "fatfs_prefix_lib.h"
#include "ff.h"
#endif
#define VFS_EOF -1
enum vfs_filesystems {
VFS_FS_NONE = 0,
VFS_FS_SPIFFS,
VFS_FS_FATFS
};
enum vfs_seek {
VFS_SEEK_SET = 0,
VFS_SEEK_CUR,
VFS_SEEK_END
};
enum vfs_result {
VFS_RES_OK = 0,
VFS_RES_ERR = -1
};
struct vfs_time {
int year, mon, day;
int hour, min, sec;
};
typedef struct vfs_time vfs_time;
// generic file descriptor
struct vfs_file {
int fs_type;
const struct vfs_file_fns *fns;
};
typedef const struct vfs_file vfs_file;
// stat data
struct vfs_stat {
uint32_t size;
char name[FS_OBJ_NAME_LEN+1];
struct vfs_time tm;
uint8_t tm_valid;
uint8_t is_dir;
uint8_t is_rdonly;
uint8_t is_hidden;
uint8_t is_sys;
uint8_t is_arch;
};
// file descriptor functions
struct vfs_file_fns {
sint32_t (*close)( const struct vfs_file *fd );
sint32_t (*read)( const struct vfs_file *fd, void *ptr, size_t len );
sint32_t (*write)( const struct vfs_file *fd, const void *ptr, size_t len );
sint32_t (*lseek)( const struct vfs_file *fd, sint32_t off, int whence );
sint32_t (*eof)( const struct vfs_file *fd );
sint32_t (*tell)( const struct vfs_file *fd );
sint32_t (*flush)( const struct vfs_file *fd );
uint32_t (*size)( const struct vfs_file *fd );
sint32_t (*ferrno)( const struct vfs_file *fd );
};
typedef const struct vfs_file_fns vfs_file_fns;
// generic dir descriptor
struct vfs_dir {
int fs_type;
const struct vfs_dir_fns *fns;
};
typedef const struct vfs_dir vfs_dir;
// dir descriptor functions
struct vfs_dir_fns {
sint32_t (*close)( const struct vfs_dir *dd );
sint32_t (*readdir)( const struct vfs_dir *dd, struct vfs_stat *buf );
};
typedef const struct vfs_dir_fns vfs_dir_fns;
// generic volume descriptor
struct vfs_vol {
int fs_type;
const struct vfs_vol_fns *fns;
};
typedef const struct vfs_vol vfs_vol;
// volume functions
struct vfs_vol_fns {
sint32_t (*umount)( const struct vfs_vol *vol );
};
typedef const struct vfs_vol_fns vfs_vol_fns;
struct vfs_fs_fns {
vfs_vol *(*mount)( const char *name, int num );
vfs_file *(*open)( const char *name, const char *mode );
vfs_dir *(*opendir)( const char *name );
sint32_t (*stat)( const char *name, struct vfs_stat *buf );
sint32_t (*remove)( const char *name );
sint32_t (*rename)( const char *oldname, const char *newname );
sint32_t (*mkdir)( const char *name );
sint32_t (*fsinfo)( uint32_t *total, uint32_t *used );
sint32_t (*fscfg)( uint32_t *phys_addr, uint32_t *phys_size );
sint32_t (*format)( void );
sint32_t (*chdrive)( const char * );
sint32_t (*chdir)( const char * );
sint32_t (*ferrno)( void );
void (*clearerr)( void );
};
typedef const struct vfs_fs_fns vfs_fs_fns;
vfs_fs_fns *myspiffs_realm( const char *inname, char **outname, int set_current_drive );
vfs_fs_fns *myfatfs_realm( const char *inname, char **outname, int set_current_drive );
sint32_t vfs_get_rtc( vfs_time *tm );
#endif