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qiyongshuang
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# Copyright (c) 2013-2019 Huawei Technologies Co., Ltd. All rights reserved.
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# Copyright (c) 2020-2021 Huawei Device Co., Ltd. All rights reserved.
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#
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# Redistribution and use in source and binary forms, with or without modification,
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# are permitted provided that the following conditions are met:
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#
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# 1. Redistributions of source code must retain the above copyright notice, this list of
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# conditions and the following disclaimer.
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#
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# 2. Redistributions in binary form must reproduce the above copyright notice, this list
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# of conditions and the following disclaimer in the documentation and/or other materials
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# provided with the distribution.
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#
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# 3. Neither the name of the copyright holder nor the names of its contributors may be used
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# to endorse or promote products derived from this software without specific prior written
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# permission.
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#
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# THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
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# "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO,
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# THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
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# PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR
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# CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
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# EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
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# PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS;
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# OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY,
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# WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR
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# OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF
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# ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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static_library("fatfs") {
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sources = [
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"//third_party/FatFs/source/diskio.c",
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"//third_party/FatFs/source/ff.c",
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"//third_party/FatFs/source/ffsystem.c",
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"//third_party/FatFs/source/ffunicode.c",
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"fatfs.c",
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]
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include_dirs = [
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"../",
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"../../../kernel/arch/include",
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"../../../kernel/include",
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"../../../utils",
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"../../../kal/cmsis",
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"../../../kal/posix/include",
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"//third_party/bounds_checking_function/include",
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"//third_party/FatFs/source/",
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]
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deps = [ "//kernel/liteos_m/kal/posix" ]
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}
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/*
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* Copyright (c) 2013-2019 Huawei Technologies Co., Ltd. All rights reserved.
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* Copyright (c) 2020-2021 Huawei Device Co., Ltd. All rights reserved.
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*
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* Redistribution and use in source and binary forms, with or without modification,
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* are permitted provided that the following conditions are met:
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*
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* 1. Redistributions of source code must retain the above copyright notice, this list of
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* conditions and the following disclaimer.
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*
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* 2. Redistributions in binary form must reproduce the above copyright notice, this list
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* of conditions and the following disclaimer in the documentation and/or other materials
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* provided with the distribution.
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*
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* 3. Neither the name of the copyright holder nor the names of its contributors may be used
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* to endorse or promote products derived from this software without specific prior written
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* permission.
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*
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* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
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* "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO,
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* THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
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* PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR
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* CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
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* EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
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* PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS;
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* OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY,
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* WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR
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* OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF
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* ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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*/
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#ifndef _FATFS_H
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#define _FATFS_H
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#include "fcntl.h"
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#include "dirent.h"
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#include "unistd.h"
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#include "sys/mount.h"
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#include "sys/stat.h"
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#include "sys/statfs.h"
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#include "fs_config.h"
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#ifdef __cplusplus
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#if __cplusplus
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extern "C" {
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#endif /* __cplusplus */
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#endif /* __cplusplus */
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#ifndef FAT_MAX_OPEN_FILES
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#define FAT_MAX_OPEN_FILES 50
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#endif /* FAT_MAX_OPEN_FILES */
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/* Format options */
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#define FMT_FAT 0x01
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#define FMT_FAT32 0x02
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#define FMT_ANY 0x07
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int fatfs_mount(const char *source, const char *target,
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const char *filesystemtype, unsigned long mountflags,
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const void *data);
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int fatfs_umount(const char *target);
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int fatfs_umount2(const char *target, int flag);
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int fatfs_open(const char *path, int oflag, ...);
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int fatfs_close(int fd);
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ssize_t fatfs_read(int fd, void *buf, size_t nbyte);
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ssize_t fatfs_write(int fd, const void *buf, size_t nbyte);
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off_t fatfs_lseek(int fd, off_t offset, int whence);
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int fatfs_unlink(const char *path);
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int fatfs_fstat(int fd, struct stat *buf);
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int fatfs_stat(const char *path, struct stat *buf);
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int fatfs_fsync(int fd);
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int fatfs_mkdir(const char *path, mode_t mode);
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DIR *fatfs_opendir(const char *dirName);
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struct dirent *fatfs_readdir(DIR *dir);
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int fatfs_closedir(DIR *dir);
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int fatfs_rmdir(const char *path);
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int fatfs_rename(const char *oldName, const char *newName);
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int fatfs_statfs(const char *path, struct statfs *buf);
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int fatfs_ftruncate(int fd, off_t length);
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/**
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* @brief divide a physical drive (SD card, U disk, and MMC card), this function is OHOS-specific
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* @param pdrv physical drive number.
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* @param partTbl list of partition size to create on the drive.
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* -- item is <= 100: specifies the partition size in percentage of the entire drive space.
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* -- item is > 100: specifies number of sectors.
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* @return fdisk result
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* @retval -1 fdisk error
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* @retval 0 fdisk successful
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*/
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int fatfs_fdisk(int pdrv, const unsigned int *partTbl);
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/**
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* @brief format FAT device (SD card, U disk, and MMC card), this function is OHOS-specific
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* @param dev device name.
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* @param sectors sectors per cluster, can be 0 OR power of 2. The sector size for standard FAT volumes is 512 bytes.
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* -- sector number is 0 OR >128: automatically choose the appropriate cluster size.
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* -- sector number is 1 ~ 128: cluster size = sectors per cluster * 512B.
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* @param option file system type.
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* -- FMT_FAT
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* -- FMT_FAT32
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* -- FMT_ANY
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* @return format result
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* @retval -1 format error
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* @retval 0 format successful
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*/
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int fatfs_format(const char *dev, int sectors, int option);
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#ifdef __cplusplus
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#if __cplusplus
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}
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#endif /* __cplusplus */
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#endif /* __cplusplus */
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#endif /* _FATFS_H */
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