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author | 2017-11-21 15:56:16 +0100 | |
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committer | 2017-11-21 15:56:16 +0100 | |
commit | c6ed9ef43f6606f654c2392413ca8ed380a35056 (patch) | |
tree | d0291cc25ae95b99089fca9fb49c5b5826757413 /src/exception.rs | |
parent | 7e05e189c5195303f8693d442b71754f956fc81f (diff) | |
download | cortex-m-c6ed9ef43f6606f654c2392413ca8ed380a35056.tar.gz cortex-m-c6ed9ef43f6606f654c2392413ca8ed380a35056.tar.zst cortex-m-c6ed9ef43f6606f654c2392413ca8ed380a35056.zip |
turn peripherals into scoped singletons
Diffstat (limited to 'src/exception.rs')
-rw-r--r-- | src/exception.rs | 4 |
1 files changed, 2 insertions, 2 deletions
diff --git a/src/exception.rs b/src/exception.rs index 3052f66..7203dfa 100644 --- a/src/exception.rs +++ b/src/exception.rs @@ -31,8 +31,8 @@ impl Exception { /// /// Returns `None` if no exception is currently active pub fn active() -> Option<Exception> { - // NOTE(safe) atomic read - let icsr = unsafe { (*::peripheral::SCB.get()).icsr.read() }; + // NOTE(safe) atomic read with no side effects + let icsr = unsafe { (*::peripheral::SCB::ptr()).icsr.read() }; Some(match icsr as u8 { 0 => return None, |