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35 lines
1.1 KiB
Rust
35 lines
1.1 KiB
Rust
extern crate cortex_m_rtfm as rtfm;
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use rtfm::{C1, C2, C3, C4, C5, P2, Resource, T2};
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static R1: Resource<i32, C4> = Resource::new(0);
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static R2: Resource<i32, C3> = Resource::new(0);
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static R3: Resource<i32, C4> = Resource::new(0);
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static R4: Resource<i32, C5> = Resource::new(0);
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static R5: Resource<i32, C1> = Resource::new(0);
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static R6: Resource<i32, C2> = Resource::new(0);
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fn j1(prio: P2, thr: T2) {
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thr.raise(
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&R1, |thr| {
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// NOTE PT = Preemption Threshold, TP = Task Priority
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// CAN access a resource with ceiling RC when PT > RC
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let r2 = R2.access(&prio, thr);
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// CAN access a resource with ceiling RC when PT == RC
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let r3 = R3.access(&prio, thr);
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// CAN'T access a resource with ceiling RC when PT < RC
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let r4 = R4.access(&prio, thr);
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//~^ error
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// CAN'T access a resource with ceiling RC when RC < TP
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let r5 = R5.access(&prio, thr);
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//~^ error
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// CAN access a resource with ceiling RC when RC == tP
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let r6 = R6.access(&prio, thr);
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}
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);
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}
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