v0.5.2

Author: japaric

CHANGELOG.md

@@ -5,6 +5,14 @@ All notable changes to this project will be documented in this file.
 The format is based on [Keep a Changelog](http://keepachangelog.com/)
 and this project adheres to [Semantic Versioning](http://semver.org/).
 
+## [v0.5.2] - 2018-05-18
+
+### Added
+
+- `SCB` gained a pair of safe methods to set / clear the DEEPSLEEP bit.
+
+- `asm::delay`, delay loops whose execution time doesn't depend on the optimization level.
+
 ## [v0.5.1] - 2018-05-13
 
 ### Added
@@ -452,7 +460,9 @@ fn main() {
 - Functions to get the vector table
 - Wrappers over miscellaneous instructions like `bkpt`
 
-[Unreleased]: https://github.com/japaric/cortex-m/compare/v0.5.0...HEAD
+[Unreleased]: https://github.com/japaric/cortex-m/compare/v0.5.2...HEAD
+[v0.5.2]: https://github.com/japaric/cortex-m/compare/v0.5.1...v0.5.2
+[v0.5.1]: https://github.com/japaric/cortex-m/compare/v0.5.0...v0.5.1
 [v0.5.0]: https://github.com/japaric/cortex-m/compare/v0.4.3...v0.5.0
 [v0.4.3]: https://github.com/japaric/cortex-m/compare/v0.4.2...v0.4.3
 [v0.4.2]: https://github.com/japaric/cortex-m/compare/v0.4.1...v0.4.2

Cargo.toml

@@ -7,7 +7,7 @@ keywords = ["arm", "cortex-m", "register", "peripheral"]
 license = "MIT OR Apache-2.0"
 name = "cortex-m"
 repository = "https://github.com/japaric/cortex-m"
-version = "0.5.1"
+version = "0.5.2"
 
 [build-dependencies]
 cc = "1.0.10"

src/asm.rs

@@ -32,6 +32,7 @@ pub fn bkpt() {
 /// NOTE that the delay can take much longer if interrupts are serviced during its execution.
 #[inline]
 pub fn delay(_n: u32) {
+    // NOTE(divide by 4) is easier to compute than `/ 3` is it's just a shift (`>> 2`).
     match () {
         #[cfg(all(cortex_m, feature = "inline-asm"))]
         () => unsafe {