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lvgl/docs/libs/fsdrv.md
Xiang Xiao 608d06e47a
fix(fsdrv) minor fs issue (#2682) 
* fix(fs): replace all tab to space and other minor style fix

Signed-off-by: Xiang Xiao <xiaoxiang@xiaomi.com>

* fix(extra/fs): rename lv_fs_libs.h to lv_fsdrv.h

Signed-off-by: Xiang Xiao <xiaoxiang@xiaomi.com>

* fix(extra/fs/stdio): fix the wrong directory path in fs_dir_open

and remove the duplicated or platform specific code

Signed-off-by: Xiang Xiao <xiaoxiang@xiaomi.com>

* fix(extra/fs/posix): implement in fs_dir_read

and fix the wrong directory path in fs_dir_open

Signed-off-by: Xiang Xiao <xiaoxiang@xiaomi.com>

* fix(extra/fs/posix): return file handle directly to avoid malloc

Signed-off-by: Xiang Xiao <xiaoxiang@xiaomi.com>
2021-10-18 13:00:47 +02:00

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.. include:: /header.rst 
:github_url: |github_link_base|/libs/fsdrv.md

File System Interfaces

LVGL has a File system module to provides an abstraction layer for various file system drivers.

LVG has build in support for

  • FATFS
  • STDIO (Linux and Windows using C standard function .e.g fopen, fread)
  • POSIX (Linux and Windows using POSIX function .e.g open, read)

You still need to provide the drivers and libraries, this extensions provide only the bridge between FATFS, STDIO, POSIX and LVGL.

Usage

In lv_conf.h set a driver letter for one or more LV_FS_USE_... define(s). After that you can access files using that driver letter. Setting '\0' will disable use of that interface.