Add DWT.set_cycle_count

Author: newAM

CHANGELOG.md

@@ -7,6 +7,10 @@ and this project adheres to [Semantic Versioning](http://semver.org/).
 
 ## [Unreleased]
 
+### Added
+
+- Added `DWT.set_cycle_count` (#347).
+
 ## [v0.7.3] - 2021-07-03
 
 ### Fixed

src/peripheral/dwt.rs

@@ -85,6 +85,13 @@ impl DWT {
         unsafe { (*Self::ptr()).cyccnt.read() }
     }
 
+    /// Set the cycle count
+    #[cfg(not(armv6m))]
+    #[inline]
+    pub fn set_cycle_count(&mut self, count: u32) {
+        unsafe { self.cyccnt.write(count) }
+    }
+
     /// Removes the software lock on the DWT
     ///
     /// Some devices, like the STM32F7, software lock the DWT after a power cycle.