ErisFS

A comprehensive virtual filesystem for FreeRTOS, build by x-Eris group.

Component Structure

• POSIX standard layer
• ErisFS Virtual Layer
• Baisc Filesystem Layer (FATFS, RAMFS, ...)
• Storage Write / Read Layer (SD Card, RAM, ...)

Code Structure

ErisFS
├── include
│   ├── efs_posix.h
│   ├── efs.h
│   ├── efs_file.h
│   ├── efs_fs.h
│   ├── efs_posix.h
│   ├── efs_utils.h
│ 
├── efs
│   ├── efs_posix.c
│   ├── efs.c
│   ├── efs_file.c
│   ├── efs_fs.c
│   ├── efs_posix.c
│   ├── efs_es.c
│   └── efs_utils.c
│ 
└── filesystem
    ├─── fatfs
    └─── ramfs

Supported

Posix File APIs:

• open, close, read, write, rename, unlink, stat, fstat, creat, lseek, ftruncate ...
• mount, unmount, mkfs, statfs ...
• mkdir, rmdir ...

Filesystems:

• ramfs
• fatfs (with STM32F429IGT6)

Usage

Please check the template file in replace, which shows some basic usage of ErisFS (almost same with POSIX API).

Also, you can check include/efs_posix.h and include/efs_fs.h to find every functions' declaration.