// internal definitions for vfs #ifndef __VFS_INT_H__ #define __VFS_INT_H__ #include #include #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