diff options
Diffstat (limited to 'examples/async-task-multiple-prios.rs')
| -rw-r--r-- | examples/async-task-multiple-prios.rs | 92 |
1 files changed, 0 insertions, 92 deletions
diff --git a/examples/async-task-multiple-prios.rs b/examples/async-task-multiple-prios.rs deleted file mode 100644 index 5c9674d..0000000 --- a/examples/async-task-multiple-prios.rs +++ /dev/null @@ -1,92 +0,0 @@ -//! examples/async-task-multiple-prios.rs - -#![no_main] -#![no_std] -#![feature(type_alias_impl_trait)] -#![deny(missing_docs)] - -use panic_semihosting as _; - -// NOTES: -// -// - Async tasks cannot have `#[lock_free]` resources, as they can interleave and each async -// task can have a mutable reference stored. -// - Spawning an async task equates to it being polled once. - -#[rtic::app(device = lm3s6965, dispatchers = [SSI0, QEI0])] -mod app { - use cortex_m_semihosting::{debug, hprintln}; - - #[shared] - struct Shared { - a: u32, - b: u32, - } - - #[local] - struct Local {} - - #[init] - fn init(_: init::Context) -> (Shared, Local) { - hprintln!("init"); - - async_task1::spawn().ok(); - async_task2::spawn().ok(); - async_task3::spawn().ok(); - async_task4::spawn().ok(); - - (Shared { a: 0, b: 0 }, Local {}) - } - - #[idle] - fn idle(_: idle::Context) -> ! { - loop { - hprintln!("idle"); - debug::exit(debug::EXIT_SUCCESS); - } - } - - #[task(priority = 1, shared = [a, b])] - async fn async_task1(mut cx: async_task1::Context) { - hprintln!( - "hello from async 1 a {}", - cx.shared.a.lock(|a| { - *a += 1; - *a - }) - ); - } - - #[task(priority = 1, shared = [a, b])] - async fn async_task2(mut cx: async_task2::Context) { - hprintln!( - "hello from async 2 a {}", - cx.shared.a.lock(|a| { - *a += 1; - *a - }) - ); - } - - #[task(priority = 2, shared = [a, b])] - async fn async_task3(mut cx: async_task3::Context) { - hprintln!( - "hello from async 3 a {}", - cx.shared.a.lock(|a| { - *a += 1; - *a - }) - ); - } - - #[task(priority = 2, shared = [a, b])] - async fn async_task4(mut cx: async_task4::Context) { - hprintln!( - "hello from async 4 a {}", - cx.shared.a.lock(|a| { - *a += 1; - *a - }) - ); - } -} |
