From 8cd85d39451d06b680c3271002625b4d568f096f Mon Sep 17 00:00:00 2001
From: Kaspar Schleiser <kaspar@schleiser.de>
Date: Thu, 21 Dec 2023 11:46:11 +0100
Subject: [PATCH] riot-rs-embassy: add comment on how to override the usb
 config

---
 src/riot-rs-embassy/src/lib.rs | 11 +++++++++++
 1 file changed, 11 insertions(+)

diff --git a/src/riot-rs-embassy/src/lib.rs b/src/riot-rs-embassy/src/lib.rs
index 3e6a4369b..da2f29edc 100644
--- a/src/riot-rs-embassy/src/lib.rs
+++ b/src/riot-rs-embassy/src/lib.rs
@@ -1,3 +1,14 @@
+//! This module provides an opinionated integration of `embassy`.
+//!
+//! To provide a custom USB configuration, enable the feature
+//! `riot_rs_embassy/override_usb_config`, then add this to your code:
+//! ```rust
+//! #[no_mangle]
+//! pub fn riot_rs_usb_config() -> embassy_usb::Config<'static> {
+//!     /// create config here
+//! }
+//! ```
+
 #![no_std]
 #![feature(type_alias_impl_trait)]
 #![feature(used_with_arg)]