Skip to content
New issue

Have a question about this project? Sign up for a free GitHub account to open an issue and contact its maintainers and the community.

Sign up for GitHub

By clicking “Sign up for GitHub”, you agree to our terms of service and privacy statement. We’ll occasionally send you account related emails.

Already on GitHub? Sign in to your account

Add DWT.set_cycle_count #347

Merged
merged 1 commit into from
Aug 14, 2021
Merged

Add DWT.set_cycle_count #347

Show file tree
Hide file tree
Changes from all commits
Commits
Show all changes
1 commit
Select commit
File filter

Filter by extension

Filter by extension
Conversations
Failed to load comments.
Loading
Jump to
Jump to file
Failed to load files.
Loading
Diff view
Diff view
1 change: 1 addition & 0 deletions CHANGELOG.md
View file
Open in desktop
Original file line number Diff line number Diff line change
Expand Up @@ -13,6 +13,7 @@ and this project adheres to [Semantic Versioning](http://semver.org/).
- Exception overhead counter
- LSU counter
- Folded-instruction counter
- Added `DWT.set_cycle_count` (#347).

### Deprecated

Expand Down
7 changes: 7 additions & 0 deletions src/peripheral/dwt.rs
View file
Open in desktop
Original file line number Diff line number Diff line change
Expand Up @@ -160,6 +160,13 @@ 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.
Expand Down