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389ff92cc1
* Makefile, Scripts: new linter * About: remove ID from IC * Firmware: remove double define for DIVC/DIVR * Scripts: check folder names too. Docker: replace syntax check with make lint. * Reformat Sources and Migrate to new file naming convention * Docker: symlink clang-format-12 to clang-format * Add coding style guide
193 lines
6.6 KiB
C
193 lines
6.6 KiB
C
#pragma once
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#include <furi.h>
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#include "filesystem_api_defines.h"
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#ifdef __cplusplus
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extern "C" {
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#endif
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/** Structure that hold file index and returned api errors */
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struct File {
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uint32_t file_id; /**< File ID for internal references */
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FS_Error error_id; /**< Standart API error from FS_Error enum */
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int32_t internal_error_id; /**< Internal API error value */
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void* storage;
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};
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/** File api structure
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* @var FS_File_Api::open
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* @brief Open file
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* @param file pointer to file object, filled by api
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* @param path path to file
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* @param access_mode access mode from FS_AccessMode
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* @param open_mode open mode from FS_OpenMode
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* @return success flag
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*
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* @var FS_File_Api::close
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* @brief Close file
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* @param file pointer to file object
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* @return success flag
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*
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* @var FS_File_Api::read
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* @brief Read bytes from file to buffer
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* @param file pointer to file object
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* @param buff pointer to buffer for reading
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* @param bytes_to_read how many bytes to read, must be smaller or equal to buffer size
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* @return how many bytes actually has been readed
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*
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* @var FS_File_Api::write
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* @brief Write bytes from buffer to file
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* @param file pointer to file object
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* @param buff pointer to buffer for writing
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* @param bytes_to_read how many bytes to write, must be smaller or equal to buffer size
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* @return how many bytes actually has been writed
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*
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* @var FS_File_Api::seek
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* @brief Move r/w pointer
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* @param file pointer to file object
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* @param offset offset to move r/w pointer
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* @param from_start set offset from start, or from current position
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* @return success flag
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*
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* @var FS_File_Api::tell
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* @brief Get r/w pointer position
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* @param file pointer to file object
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* @return current r/w pointer position
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*
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* @var FS_File_Api::truncate
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* @brief Truncate file size to current r/w pointer position
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* @param file pointer to file object
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* @return success flag
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*
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* @var FS_File_Api::size
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* @brief Fet file size
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* @param file pointer to file object
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* @return file size
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*
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* @var FS_File_Api::sync
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* @brief Write file cache to storage
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* @param file pointer to file object
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* @return success flag
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*
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* @var FS_File_Api::eof
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* @brief Checks that the r/w pointer is at the end of the file
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* @param file pointer to file object
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* @return end of file flag
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*/
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typedef struct {
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bool (*open)(
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void* context,
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File* file,
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const char* path,
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FS_AccessMode access_mode,
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FS_OpenMode open_mode);
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bool (*close)(void* context, File* file);
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uint16_t (*read)(void* context, File* file, void* buff, uint16_t bytes_to_read);
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uint16_t (*write)(void* context, File* file, const void* buff, uint16_t bytes_to_write);
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bool (*seek)(void* context, File* file, uint32_t offset, bool from_start);
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uint64_t (*tell)(void* context, File* file);
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bool (*truncate)(void* context, File* file);
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uint64_t (*size)(void* context, File* file);
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bool (*sync)(void* context, File* file);
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bool (*eof)(void* context, File* file);
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} FS_File_Api;
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/** Dir api structure
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* @var FS_Dir_Api::open
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* @brief Open directory to get objects from
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* @param file pointer to file object, filled by api
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* @param path path to directory
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* @return success flag
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*
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* @var FS_Dir_Api::close
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* @brief Close directory
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* @param file pointer to file object
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* @return success flag
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*
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* @var FS_Dir_Api::read
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* @brief Read next object info in directory
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* @param file pointer to file object
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* @param fileinfo pointer to readed FileInfo, can be NULL
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* @param name pointer to name buffer, can be NULL
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* @param name_length name buffer length
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* @return success flag (if next object not exist also returns false and set error_id to FSE_NOT_EXIST)
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*
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* @var FS_Dir_Api::rewind
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* @brief Rewind to first object info in directory
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* @param file pointer to file object
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* @return success flag
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*/
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typedef struct {
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bool (*open)(void* context, File* file, const char* path);
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bool (*close)(void* context, File* file);
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bool (*read)(void* context, File* file, FileInfo* fileinfo, char* name, uint16_t name_length);
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bool (*rewind)(void* context, File* file);
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} FS_Dir_Api;
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/** Common api structure
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* @var FS_Common_Api::stat
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* @brief Open directory to get objects from
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* @param path path to file/directory
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* @param fileinfo pointer to readed FileInfo, can be NULL
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* @param name pointer to name buffer, can be NULL
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* @param name_length name buffer length
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* @return FS_Error error info
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*
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* @var FS_Common_Api::remove
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* @brief Remove file/directory from storage,
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* directory must be empty,
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* file/directory must not be opened,
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* file/directory must not have FSF_READ_ONLY flag
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* @param path path to file/directory
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* @return FS_Error error info
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*
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* @var FS_Common_Api::rename
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* @brief Rename file/directory,
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* file/directory must not be opened
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* @param path path to file/directory
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* @return FS_Error error info
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*
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* @var FS_Common_Api::mkdir
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* @brief Create new directory
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* @param path path to new directory
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* @return FS_Error error info
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*
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* @var FS_Common_Api::fs_info
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* @brief Get total and free space storage values
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* @param fs_path path of fs
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* @param total_space pointer to total space value
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* @param free_space pointer to free space value
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* @return FS_Error error info
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*/
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typedef struct {
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FS_Error (*stat)(void* context, const char* path, FileInfo* fileinfo);
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FS_Error (*remove)(void* context, const char* path);
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FS_Error (*rename)(void* context, const char* old_path, const char* new_path);
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FS_Error (*mkdir)(void* context, const char* path);
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FS_Error (
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*fs_info)(void* context, const char* fs_path, uint64_t* total_space, uint64_t* free_space);
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} FS_Common_Api;
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/** Errors api structure
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* @var FS_Error_Api::get_desc
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* @brief Get error description text
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* @param error_id FS_Error error id (for fire/dir functions result can be obtained from File.error_id)
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* @return pointer to description text
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*/
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typedef struct {
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const char* (*get_desc)(void* context, FS_Error error_id);
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} FS_Error_Api;
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/** Full filesystem api structure */
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typedef struct {
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FS_File_Api file;
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FS_Dir_Api dir;
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FS_Common_Api common;
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FS_Error_Api error;
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void* context;
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} FS_Api;
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#ifdef __cplusplus
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}
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#endif
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