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FatFs Generic FAT File System Module

FatFs Generic FAT File SystemThe middleware is a fundamental part of any electronic embedded development. In CISIUM we have adopted FatFs is a generic FAT file system module for small embedded systems.

File Allocation Table (FAT) is the name of a computer file system architecture and a family of industry standard file systems utilizing it. The FAT file system is technically relatively simple yet robust. It offers reasonably good performance even in light-weight implementations and is therefore widely adopted and supported by virtually all existing operating systems for personal computers. This makes it a well-suited format for data exchange between computers and devices of almost any type and age from the early 1980s up to the present.

The FatFs is written in compliance with ANSI C and completely separated from the disk I/O layer. Therefore it is independent of hardware architecture. It can be incorporated into low cost microcontrollers, such as AVR, 8051, PIC, ARM, Z80, 68k and etc..., without any change.

 

Petit FatFs also can be uised a sub-set of FatFs module for tiny 8-bit microcontrollers. It is written in compliance with ANSI C and completely separated from the disk I/O layer. It can be incorporated into the tiny microcontrollers with a small memory even if the RAM size is less than sector size.

FatFs Features

  • Windows compatible FAT12/16/32 file system.
  • Platform independent. Easy to port.
  • Very small footprint for code and work area.
  • Various configuration options:
    • Multiple volumes (physical drives and partitions).
    • Multiple ANSI/OEM code pages including DBCS.
    • Long file name support in ANSI/OEM or Unicode.
    • RTOS support.
    • Multiple sector size support.
    • Read-only, minimized API, I/O buffer and etc...

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