Merge #442

442: Support as_ptr on a register for DMA and such r=Emilgardis a=petrohi



Co-authored-by: Peter Hizalev <[email protected]>

Author: bors[bot]

src/generate/generic.rs

@@ -32,6 +32,21 @@ pub struct Reg<U, REG> {
 
 unsafe impl<U: Send, REG> Send for Reg<U, REG> {}
 
+impl<U, REG> Reg<U, REG>
+where
+    U: Copy,
+{
+    /// Returns the underlying memory address of register.
+    ///
+    /// ```ignore
+    /// let reg_ptr = periph.reg.as_ptr();
+    /// ```
+    #[inline(always)]
+    pub fn as_ptr(&self) -> *mut U {
+        self.register.as_ptr()
+    }
+}
+
 impl<U, REG> Reg<U, REG>
 where
     Self: Readable,