Document defmt feature

Author: mattico

Cargo.toml

@@ -21,7 +21,7 @@ readme = "README.md"
 exclude = [".gitignore"]
 
 [package.metadata.docs.rs]
-features = ["stm32h743v", "rt", "xspi", "sdmmc", "fmc", "usb_hs", "rtc", "ethernet", "ltdc", "crc", "rand"]
+features = ["stm32h743v", "rt", "xspi", "sdmmc", "fmc", "usb_hs", "rtc", "ethernet", "ltdc", "crc", "rand", "defmt"]
 targets = ["thumbv7em-none-eabihf"]
 
 [dependencies]

src/lib.rs

@@ -47,6 +47,10 @@
 //! * [Cyclic Redundancy Check (CRC)](crate::crc) Feature gate `crc`
 //! * [Random Number Generator](crate::rng) ([rand_core::RngCore](rand_core::RngCore) is implemented under the `rand` feature gate)
 //! * [System Window Watchdog](crate::watchdog)
+//!
+//! Cargo Features
+//!
+//! * [`defmt`](https://defmt.ferrous-systems.com/) formatting for some types can be enabled with the feature `defmt`.
 
 #![cfg_attr(not(test), no_std)]
 #![allow(non_camel_case_types)]