The main goal of the lwext4 project is to provide ext2/3/4 filesystem for microcontrollers. It may be an interesting alternative for traditional MCU filesystem libraries (mostly based on FAT32).

Lwext4 may be used with SD/MMC card, USB flash drive or other block based memory device. However it is not good for flash memory–based storage devices.

Code is also available on github:
https://github.com/gkostka/lwext4

Feel free to contact me:
kostka.grzegorz@gmail.com

Features

  • full ext2 support
  • partial ext3/4 support (extents & directory HTREE)
  • fast HTREE directory operations, recursive directory remove
  • small memory footprint (CODE: 20KB, RAM 8KB, STACK 2KB)
  • flexible cross platform CMake build system
  • demo application (file images or direct partition access)
  • client-server automatic test suite
  • only C standard library dependency

Project Samples

Project Activity

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License

BSD License

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User Reviews

  • Great!

    1 user found this review helpful.
  • This library is awesome! I can't recommend this lib for write access because it doesn't support all features but as a RO ext* library it's the best I've found. If you get unsupported features errors u can just ignore them if you use this lib RO.

    1 user found this review helpful.
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Additional Project Details

Languages

English

Intended Audience

Science/Research, Education, Developers

User Interface

Gnome

Programming Language

C

Registered

2013-10-07