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| /* |
| * Copyright (c) 2006-2007 by Roland Riegel <feedback@roland-riegel.de> |
| * |
| * This file is free software; you can redistribute it and/or modify |
| * it under the terms of either the GNU General Public License version 2 |
| * or the GNU Lesser General Public License version 2.1, both as |
| * published by the Free Software Foundation. |
| */ |
| |
| #ifndef FAT16_H |
| #define FAT16_H |
| |
| #include "fat16_config.h" |
| |
| #include <stdint.h> |
| |
| /** |
| * \addtogroup fat16 |
| * |
| * @{ |
| */ |
| /** |
| * \file |
| * FAT16 header (license: GPLv2 or LGPLv2.1) |
| * |
| * \author Roland Riegel |
| */ |
| |
| /** |
| * \addtogroup fat16_file |
| * @{ |
| */ |
| |
| /** The file is read-only. */ |
| #define FAT16_ATTRIB_READONLY (1 << 0) |
| /** The file is hidden. */ |
| #define FAT16_ATTRIB_HIDDEN (1 << 1) |
| /** The file is a system file. */ |
| #define FAT16_ATTRIB_SYSTEM (1 << 2) |
| /** The file is empty and has the volume label as its name. */ |
| #define FAT16_ATTRIB_VOLUME (1 << 3) |
| /** The file is a directory. */ |
| #define FAT16_ATTRIB_DIR (1 << 4) |
| /** The file has to be archived. */ |
| #define FAT16_ATTRIB_ARCHIVE (1 << 5) |
| |
| /** The given offset is relative to the beginning of the file. */ |
| #define FAT16_SEEK_SET 0 |
| /** The given offset is relative to the current read/write position. */ |
| #define FAT16_SEEK_CUR 1 |
| /** The given offset is relative to the end of the file. */ |
| #define FAT16_SEEK_END 2 |
| |
| /** |
| * @} |
| */ |
| |
| struct partition_struct; |
| struct fat16_fs_struct; |
| struct fat16_file_struct; |
| struct fat16_dir_struct; |
| |
| /** |
| * \ingroup fat16_file |
| * Describes a directory entry. |
| */ |
| struct fat16_dir_entry_struct |
| { |
| /** The file's name, truncated to 31 characters. */ |
| char long_name[32]; |
| /** The file's attributes. Mask of the FAT16_ATTRIB_* constants. */ |
| uint8_t attributes; |
| #if FAT16_DATETIME_SUPPORT |
| /** Compressed representation of modification time. */ |
| uint16_t modification_time; |
| /** Compressed representation of modification date. */ |
| uint16_t modification_date; |
| #endif |
| /** The cluster in which the file's first byte resides. */ |
| uint16_t cluster; |
| /** The file's size. */ |
| uint32_t file_size; |
| /** The total disk offset of this directory entry. */ |
| uint32_t entry_offset; |
| }; |
| |
| struct fat16_fs_struct* fat16_open(struct partition_struct* partition); |
| void fat16_close(struct fat16_fs_struct* fs); |
| |
| struct fat16_file_struct* fat16_open_file(struct fat16_fs_struct* fs, const struct fat16_dir_entry_struct* dir_entry); |
| void fat16_close_file(struct fat16_file_struct* fd); |
| int16_t fat16_read_file(struct fat16_file_struct* fd, uint8_t* buffer, uint16_t buffer_len); |
| int16_t fat16_write_file(struct fat16_file_struct* fd, const uint8_t* buffer, uint16_t buffer_len); |
| uint8_t fat16_seek_file(struct fat16_file_struct* fd, int32_t* offset, uint8_t whence); |
| uint8_t fat16_resize_file(struct fat16_file_struct* fd, uint32_t size); |
| |
| struct fat16_dir_struct* fat16_open_dir(struct fat16_fs_struct* fs, const struct fat16_dir_entry_struct* dir_entry); |
| void fat16_close_dir(struct fat16_dir_struct* dd); |
| uint8_t fat16_read_dir(struct fat16_dir_struct* dd, struct fat16_dir_entry_struct* dir_entry); |
| uint8_t fat16_reset_dir(struct fat16_dir_struct* dd); |
| |
| uint8_t fat16_create_file(struct fat16_dir_struct* parent, const char* file, struct fat16_dir_entry_struct* dir_entry); |
| uint8_t fat16_delete_file(struct fat16_fs_struct* fs, struct fat16_dir_entry_struct* dir_entry); |
| uint8_t fat16_create_dir(struct fat16_dir_struct* parent, const char* dir, struct fat16_dir_entry_struct* dir_entry); |
| #define fat16_delete_dir fat16_delete_file |
| |
| void fat16_get_file_modification_date(const struct fat16_dir_entry_struct* dir_entry, uint16_t* year, uint8_t* month, uint8_t* day); |
| void fat16_get_file_modification_time(const struct fat16_dir_entry_struct* dir_entry, uint8_t* hour, uint8_t* min, uint8_t* sec); |
| |
| uint8_t fat16_get_dir_entry_of_path(struct fat16_fs_struct* fs, const char* path, struct fat16_dir_entry_struct* dir_entry); |
| |
| uint32_t fat16_get_fs_size(const struct fat16_fs_struct* fs); |
| uint32_t fat16_get_fs_free(const struct fat16_fs_struct* fs); |
| |
| /** |
| * @} |
| */ |
| |
| #endif |
| |