Cargo Features

MSP430FR6972 has no features set by default.

[dependencies]
msp430fr6972 = { version = "0.2.1", features = ["rt"] }
rt

Enables device of msp430-rt ^0.2.4

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.

msp430-rt rt?

Enables msp430-rt ^0.2.4