Cargo Features

[dependencies]
efm32pg1b-pac = { version = "0.2.5", default-features = false, features = ["rt", "atomics", "critical-section", "defmt"] }
default = critical-section, rt

These default features are set whenever efm32pg1b-pac is added without default-features = false somewhere in the dependency tree.

rt default

Enables device of cortex-m-rt

atomics

Enables portable-atomic

Features from optional dependencies

In crates that don't use the dep: syntax, optional dependencies automatically become Cargo features. These features may have been created by mistake, and this functionality may be removed in the future.

critical-section default
cortex-m-rt rt
defmt implicit feature