Cargo Features

fatfs = { version = "0.3.6", default-features = false, features = ["std", "alloc", "chrono", "core_io"] }
std default

Use Rust std library

Enables std of byteorder

alloc default

Use dynamic allocation - required for LFN support. When used without std please enable core_io/collections

default = alloc, chrono, std

Default features

Features from optional dependencies

In crates that don't use the dep: syntax, optional dependencies automatically become Cargo features.

chrono default
core_io implicit feature