mirror of
https://github.com/rtic-rs/rtic.git
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89 lines
2.3 KiB
Rust
89 lines
2.3 KiB
Rust
//! [compile-pass] Check code generation of resources
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#![deny(unsafe_code)]
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#![deny(warnings)]
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#![no_main]
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#![no_std]
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use panic_halt as _;
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#[rtic::app(device = lm3s6965)]
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const APP: () = {
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struct Resources {
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#[init(0)]
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o1: u32, // init
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#[init(0)]
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o2: u32, // idle
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#[init(0)]
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o3: u32, // EXTI0
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#[init(0)]
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o4: u32, // idle
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#[init(0)]
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o5: u32, // EXTI1
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#[init(0)]
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o6: u32, // init
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#[init(0)]
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s1: u32, // idle & uart0
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#[init(0)]
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s2: u32, // uart0 & uart1
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#[init(0)]
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s3: u32, // idle & uart0
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}
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#[init(resources = [o1, o4, o5, o6, s3])]
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fn init(c: init::Context) {
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// owned by `init` == `&'static mut`
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let _: &'static mut u32 = c.resources.o1;
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// owned by `init` == `&'static` if read-only
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let _: &'static u32 = c.resources.o6;
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// `init` has exclusive access to all resources
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let _: &mut u32 = c.resources.o4;
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let _: &mut u32 = c.resources.o5;
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let _: &mut u32 = c.resources.s3;
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}
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#[idle(resources = [o2, &o4, s1, &s3])]
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fn idle(mut c: idle::Context) -> ! {
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// owned by `idle` == `&'static mut`
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let _: &'static mut u32 = c.resources.o2;
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// owned by `idle` == `&'static` if read-only
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let _: &'static u32 = c.resources.o4;
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// shared with `idle` == `Mutex`
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c.resources.s1.lock(|_| {});
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// `&` if read-only
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let _: &u32 = c.resources.s3;
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loop {
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cortex_m::asm::nop();
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}
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}
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#[task(binds = UART0, resources = [o3, s1, s2, &s3])]
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fn uart0(c: uart0::Context) {
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// owned by interrupt == `&mut`
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let _: &mut u32 = c.resources.o3;
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// no `Mutex` proxy when access from highest priority task
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let _: &mut u32 = c.resources.s1;
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// no `Mutex` proxy when co-owned by cooperative (same priority) tasks
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let _: &mut u32 = c.resources.s2;
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// `&` if read-only
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let _: &u32 = c.resources.s3;
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}
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#[task(binds = UART1, resources = [s2, &o5])]
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fn uart1(c: uart1::Context) {
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// owned by interrupt == `&` if read-only
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let _: &u32 = c.resources.o5;
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// no `Mutex` proxy when co-owned by cooperative (same priority) tasks
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let _: &mut u32 = c.resources.s2;
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}
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};
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