Merge #457

457: Add associated const ptr `PTR` to each peripheral RegisterBlock r=adamgreig a=therealprof

cc rust-embedded/cortex-m#235

Signed-off-by: Daniel Egger <daniel@eggers-club.de>

Co-authored-by: Daniel Egger <daniel@eggers-club.de>

Author: bors[bot]

CHANGELOG.md

@@ -12,6 +12,8 @@ and this project adheres to [Semantic Versioning](http://semver.org/).
 - Generated crates now contain the git commit hash and date of svd2rust
   compilation.
 
+- Provide an associated const ptr `PTR` per peripheral RegisterBlock
+
 ### Fixed
 
 - Keyword sanitizing (`async`)

src/generate/peripheral.rs

@@ -59,10 +59,13 @@ pub fn render(
         unsafe impl Send for #name_pc {}
 
         impl #name_pc {
-            ///Returns a pointer to the register block
+            ///Pointer to the register block
+            pub const PTR: *const #base::RegisterBlock = #address as *const _;
+
+            ///Return the pointer to the register block
             #[inline(always)]
             pub const fn ptr() -> *const #base::RegisterBlock {
-                #address as *const _
+                Self::PTR
             }
         }
 
@@ -71,7 +74,7 @@ pub fn render(
 
             #[inline(always)]
             fn deref(&self) -> &Self::Target {
-                unsafe { &*#name_pc::ptr() }
+                unsafe { &*Self::PTR }
             }
         }
     });