Add unsafe block around DEVICE_PERIPHERALS

Author: kurtjd

CHANGELOG.md

@@ -7,6 +7,9 @@ and this project adheres to [Semantic Versioning](https://semver.org/).
 
 ## [Unreleased]
 
+- Add unsafe block around `DEVICE_PERIPHERALS = true` in `Peripherals::steal()`
+  to support Rust 2024 edition.
+
 ## [v0.37.0] - 2025-08-14
 
 - Fix new `mismatched-lifetime-syntaxes` lint warnings

src/generate/device.rs

@@ -301,6 +301,12 @@ pub fn render(d: &Device, config: &Config, device_x: &mut String) -> Result<Toke
         quote!(#[no_mangle])
     };
 
+    let set_device_peripherals_true = if config.edition >= RustEdition::E2024 {
+        quote!(unsafe { DEVICE_PERIPHERALS = true })
+    } else {
+        quote!(DEVICE_PERIPHERALS = true;)
+    };
+
     out.extend(quote! {
         // NOTE `no_mangle` is used here to prevent linking different minor versions of the device
         // crate as that would let you `take` the device peripherals more than once (one per minor
@@ -339,7 +345,7 @@ pub fn render(d: &Device, config: &Config, device_x: &mut String) -> Result<Toke
             /// Each of the returned peripherals must be used at most once.
             #[inline]
             pub unsafe fn steal() -> Self {
-                DEVICE_PERIPHERALS = true;
+                #set_device_peripherals_true
 
                 Peripherals {
                     #exprs