chore: make clippy happy

Some of these come from new lints brought by updating the toolchain,
others are lingering warning fixes.

src/riot-rs-embassy-common/src/gpio.rs

@@ -20,9 +20,10 @@ impl From<Level> for bool {
 
 impl From<bool> for Level {
     fn from(boolean: bool) -> Self {
-        match boolean {
-            false => Level::Low,
-            true => Level::High,
+        if boolean {
+            Level::High
+        } else {
+            Level::Low
         }
     }
 }

src/riot-rs-embassy-common/src/lib.rs

@@ -2,6 +2,7 @@
 
 #![no_std]
 #![feature(doc_auto_cfg)]
+#![deny(clippy::pedantic)]
 #![deny(missing_docs)]
 
 pub mod gpio;

src/riot-rs-embassy/src/arch/gpio.rs

@@ -134,7 +134,10 @@ pub mod output {
 
     /// Actual type is architecture-specific.
     #[derive(Copy, Clone, PartialEq, Eq)]
-    pub enum DriveStrength {}
+    pub enum DriveStrength {
+        #[doc(hidden)]
+        Hidden,
+    }
 
     impl FromDriveStrength for DriveStrength {
         fn from(_drive_strength: crate::gpio::DriveStrength<DriveStrength>) -> Self {
@@ -144,7 +147,10 @@ pub mod output {
 
     /// Actual type is architecture-specific.
     #[derive(Copy, Clone, PartialEq, Eq)]
-    pub enum Speed {}
+    pub enum Speed {
+        #[doc(hidden)]
+        Hidden,
+    }
 
     impl FromSpeed for Speed {
         fn from(_speed: crate::gpio::Speed<Speed>) -> Self {

src/riot-rs-embassy/src/delegate.rs

@@ -34,7 +34,7 @@ use crate::sendcell::SendCell;
 /// TODO: this is a PoC implementation.
 /// - takes 24b for each delegate (on arm), which seems too much.
 /// - doesn't protect at all against calling [`lend()`](Delegate::lend) or
-/// [`with()`](Delegate::with) multiple times
+///   [`with()`](Delegate::with) multiple times
 ///   each, breaking safety assumptions. So while the API seems OK, the implementation
 ///   needs work.
 #[derive(Default)]

src/riot-rs-embassy/src/gpio.rs

@@ -210,6 +210,10 @@ pub mod input {
         /// Fails to compile if the architecture does not support configuring Schmitt trigger on
         /// inputs.
         pub fn schmitt_trigger(self, enable: bool) -> Self {
+            #[expect(
+                clippy::assertions_on_constants,
+                reason = "the constant depends on the architecture"
+            )]
             const {
                 assert!(
                     arch::gpio::input::SCHMITT_TRIGGER_CONFIGURABLE,

src/riot-rs-macros/src/task.rs

@@ -17,8 +17,8 @@
 ///         The peripheral struct must be defined with the `riot_rs::define_peripherals!` macro.
 ///     - hooks: (*optional*) available hooks are:
 ///         - `usb_builder_hook`: when present, the macro will define a static `USB_BUILDER_HOOK`
-///         of type `UsbBuilderHook`, allowing to access and modify the system-provided
-///         `embassy_usb::Builder` through `Delegate::with()`, *before* it is built by the system.
+///           of type `UsbBuilderHook`, allowing to access and modify the system-provided
+///           `embassy_usb::Builder` through `Delegate::with()`, *before* it is built by the system.
 /// - `pool_size`: (*optional*) set the maximum number of concurrent tasks that can be spawned for
 ///     the function (defaults to `1`).
 ///     Cannot be used on `autostart` tasks.

src/riot-rs-macros/src/utils.rs

@@ -7,7 +7,7 @@ const RIOT_RS_CRATE_NAME: &str = "riot-rs";
 /// # Panics
 ///
 /// - Panics when the `riot-rs` crate cannot be found as a dependency of the crate in which
-/// this function is called.
+///   this function is called.
 /// - Panics if `riot-rs` is used as a dependency of itself.
 pub fn riot_rs_crate() -> syn::Ident {
     find_crate(RIOT_RS_CRATE_NAME)

src/riot-rs-runqueue/src/runqueue.rs

@@ -125,6 +125,7 @@ impl<const N_QUEUES: usize, const N_THREADS: usize> RunQueue<{ N_QUEUES }, { N_T
 mod clist {
     //! This module implements an array of `N_QUEUES` circular linked lists over an
     //! array of size `N_THREADS`.
+    //!
     //! The array is used for "next" pointers, so each integer value in the array
     //! corresponds to one element, which can only be in one of the lists.
     #[derive(Debug, Copy, Clone)]