Esp32S3 : VFS Component. How to determine Freemem and Used mem on a FileSystem ?

ThomasESP32
Posts: 229
Joined: Thu Jul 14, 2022 5:15 am

Esp32S3 : VFS Component. How to determine Freemem and Used mem on a FileSystem ?

Postby ThomasESP32 » Thu Jun 27, 2024 12:43 pm

Good afternoon,

I am working on a firmware running on an Esp32S3.
I have 3 partitions that are "referenced" using Virtual FileSystem component and a FileSystem is mounted on each partition.

Using VFS, is there a way to determine the amount of free memory (In bytes) and the amount of used memory (In bytes)
available on each FileSystem ?

Thank you for your help,
Best regards,

Thomas TRUILHE

ESP_Sprite
Posts: 9727
Joined: Thu Nov 26, 2015 4:08 am

Re: Esp32S3 : VFS Component. How to determine Freemem and Used mem on a FileSystem ?

Postby ESP_Sprite » Fri Jun 28, 2024 1:28 am

For reference, on other Posix OSses, you'd do it by running stat() on the directory where the filesystem is mounted. Potentially newlib has the same convention.

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