diff options
Diffstat (limited to 'examples/async-task.rs')
| -rw-r--r-- | examples/async-task.rs | 70 |
1 files changed, 0 insertions, 70 deletions
diff --git a/examples/async-task.rs b/examples/async-task.rs deleted file mode 100644 index 7730c54..0000000 --- a/examples/async-task.rs +++ /dev/null @@ -1,70 +0,0 @@ -//! examples/async-task.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, UART0], peripherals = true)] -mod app { - use cortex_m_semihosting::{debug, hprintln}; - - #[shared] - struct Shared { - a: u32, - } - - #[local] - struct Local {} - - #[init] - fn init(_cx: init::Context) -> (Shared, Local) { - hprintln!("init"); - - async_task::spawn().unwrap(); - async_task_args::spawn(1, 2).unwrap(); - async_task2::spawn().unwrap(); - - (Shared { a: 0 }, Local {}) - } - - #[idle(shared = [a])] - fn idle(_: idle::Context) -> ! { - loop { - hprintln!("idle"); - debug::exit(debug::EXIT_SUCCESS); - cortex_m::asm::wfi(); // put the MCU in sleep mode until interrupt occurs - } - } - - #[task(binds = UART1, shared = [a])] - fn hw_task(cx: hw_task::Context) { - let hw_task::SharedResources { a: _, .. } = cx.shared; - hprintln!("hello from hw"); - } - - #[task(shared = [a])] - async fn async_task(cx: async_task::Context) { - let async_task::SharedResources { a: _, .. } = cx.shared; - hprintln!("hello from async"); - } - - #[task] - async fn async_task_args(_cx: async_task_args::Context, a: u32, b: i32) { - hprintln!("hello from async with args a: {}, b: {}", a, b); - } - - #[task(priority = 2, shared = [a])] - async fn async_task2(cx: async_task2::Context) { - let async_task2::SharedResources { a: _, .. } = cx.shared; - hprintln!("hello from async2"); - } -} |
