diff options
Diffstat (limited to 'examples/nested.rs')
| -rw-r--r-- | examples/nested.rs | 7 |
1 files changed, 5 insertions, 2 deletions
diff --git a/examples/nested.rs b/examples/nested.rs index d307634c..fda2a7d4 100644 --- a/examples/nested.rs +++ b/examples/nested.rs @@ -63,6 +63,9 @@ task!(EXTI0, exti0); fn exti0(t: &mut Threshold, r: EXTI0::Resources) { // because this task has a priority of 1 the preemption threshold is also 1 + let mut low = r.LOW; + let mut high = r.HIGH; + // A rtfm::bkpt(); @@ -70,7 +73,7 @@ fn exti0(t: &mut Threshold, r: EXTI0::Resources) { rtfm::set_pending(Interrupt::EXTI1); // ~> exti1 // a claim creates a critical section - r.LOW.claim_mut(t, |_low, t| { + low.claim_mut(t, |_low, t| { // this claim increases the preemption threshold to 2 // just high enough to not race with task `exti1` for access to the // `LOW` resource @@ -90,7 +93,7 @@ fn exti0(t: &mut Threshold, r: EXTI0::Resources) { rtfm::bkpt(); // claims can be nested - r.HIGH.claim_mut(t, |_high, _| { + high.claim_mut(t, |_high, _| { // This claim increases the preemption threshold to 3 // now `exti2` can't preempt this task |