extern crate cortex_m_srp; use cortex_m_srp::{C1, C2, C3, C4, C5, P2, Resource}; static R1: Resource = Resource::new(0); static R2: Resource = Resource::new(0); static R3: Resource = Resource::new(0); static R4: Resource = Resource::new(0); static R5: Resource = Resource::new(0); static R6: Resource = Resource::new(0); fn j1(prio: P2) { R1.lock(&prio, |r1, c3| { // CAN borrow a resource with ceiling C when the system ceiling SC > C let r2 = R2.borrow(&prio, &c3); // CAN borrow a resource with ceiling C when the system ceiling SC == C let r3 = R3.borrow(&prio, &c3); // CAN'T borrow a resource with ceiling C when the system ceiling SC < C let r4 = R4.borrow(&prio, &c3); //~^ error // CAN'T borrow a resource with ceiling C < P (task priority) let r5 = R5.borrow(&prio, &c3); //~^ error // CAN borrow a resource with ceiling C == P (task priority) let r6 = R6.borrow(&prio, &c3); }); }