UM1721 User Manual Developing applications on STM32Cube with FatFs

About this manual

The document serves as a user guide for developers using the STM32Cube MCU Package. It details how to utilize the generic FAT file system (FatFs) with STM32 microcontrollers, specifically referencing the STM32F4xx devices and STM32CubeF4 as the primary platform.

What's inside

• Acronyms and definitions
• General information
• FAT File System overview
• FatFs File System
• FatFs applications
• HAL drivers configuration
• FAQ

Frequently asked questions

Does FatFs support long file names (LFN)?

Yes, the FatFs module supports long file name (LFN). For details refer to Section 4.4.3 and Section 5.2.2.

What FAT sub-types does FatFs support?

FatFs refers to all three major variants of Microsoft FAT sub-types: FAT12, FAT16 and FAT32.

Can users interface a new disk to FatFs?

Yes, the user can interface a new disk to FatFs by following Section 4.8.