rtic/tests/cfail/borrow.rs
2017-04-21 21:24:28 -05:00

37 lines
1.1 KiB
Rust

extern crate cortex_m_rtfm as rtfm;
use rtfm::{C1, C2, C3, C4, C5, P2, Resource};
static R1: Resource<i32, C4> = Resource::new(0);
static R2: Resource<i32, C3> = Resource::new(0);
static R3: Resource<i32, C4> = Resource::new(0);
static R4: Resource<i32, C5> = Resource::new(0);
static R5: Resource<i32, C1> = Resource::new(0);
static R6: Resource<i32, C2> = Resource::new(0);
fn j1(prio: P2) {
let ceil = prio.as_ceiling();
ceil.raise(
&R1, |ceil| {
// NOTE CC = Current Ceiling, P = task Priority
// CAN borrow a resource with ceiling RC when CC > RC
let r2 = R2.borrow(&prio, ceil);
// CAN borrow a resource with ceiling RC when CC == RC
let r3 = R3.borrow(&prio, ceil);
// CAN'T borrow a resource with ceiling RC when CC < RC
let r4 = R4.borrow(&prio, ceil);
//~^ error
// CAN'T borrow a resource with ceiling RC when RC < P
let r5 = R5.borrow(&prio, ceil);
//~^ error
// CAN borrow a resource with ceiling RC when RC == P
let r6 = R6.borrow(&prio, ceil);
}
);
}