History

chrysn 6718ca3a94 all Cargo.toml: Add license to all crate Cargo.toml files Closes: https://github.com/embassy-rs/embassy/issues/1002		2022-10-07 12:41:56 +02:00
..
src	Replace futures::future::poll_fn -> core::future::poll_fn.	2022-09-22 16:42:49 +02:00
build.rs	Split embassy crate into embassy-executor, embassy-util.	2022-07-29 23:40:36 +02:00
Cargo.toml	all Cargo.toml: Add license to all crate Cargo.toml files	2022-10-07 12:41:56 +02:00
README.md	Split embassy-time from embassy-executor.	2022-08-18 01:22:30 +02:00

embassy-executor

An async/await executor designed for embedded usage.

No alloc, no heap needed. Task futures are statically allocated.
No "fixed capacity" data structures, executor works with 1 or 1000 tasks without needing config/tuning.
Integrated timer queue: sleeping is easy, just do Timer::after(Duration::from_secs(1)).await;.
No busy-loop polling: CPU sleeps when there's no work to do, using interrupts or WFE/SEV.
Efficient polling: a wake will only poll the woken task, not all of them.
Fair: a task can't monopolize CPU time even if it's constantly being woken. All other tasks get a chance to run before a given task gets polled for the second time.
Creating multiple executor instances is supported, to run tasks with multiple priority levels. This allows higher-priority tasks to preempt lower-priority tasks.