//! Real Time For the Masses (RTFM) framework for ARM Cortex-M microcontrollers //! //! This crate is based on [the RTFM framework] created by the Embedded Systems //! group at [Luleå University of Technology][ltu], led by Prof. Per Lindgren, //! and uses a simplified version of the Stack Resource Policy as scheduling //! policy (check the [references] for details). //! //! [the RTFM framework]: http://www.rtfm-lang.org/ //! [ltu]: https://www.ltu.se/?l=en //! [per]: https://www.ltu.se/staff/p/pln-1.11258?l=en //! [references]: ./index.html#references //! //! # Features //! //! - **Event triggered tasks** as the unit of concurrency. //! - Support for prioritization of tasks and, thus, **preemptive //! multitasking**. //! - **Efficient and data race free memory sharing** through fine grained *non //! global* critical sections. //! - **Deadlock free execution** guaranteed at compile time. //! - **Minimal scheduling overhead** as the scheduler has no "software //! component": the hardware does all the scheduling. //! - **Highly efficient memory usage**: All the tasks share a single call stack //! and there's no hard dependency on a dynamic memory allocator. //! - **All Cortex M devices are fully supported**. //! - This task model is amenable to known WCET (Worst Case Execution Time) //! analysis and scheduling analysis techniques. (Though we haven't yet //! developed Rust friendly tooling for that.) //! //! # Constraints //! //! - Tasks must run to completion. That's it, tasks can't contain endless //! loops. However, you can run an endless event loop in the `idle` *loop*. //! //! - Task priorities must remain constant at runtime. //! //! # Dependencies //! //! The application crate must depend on a device crate generated using //! [`svd2rust`] v0.11.x and the "rt" feature of that crate must be enabled. The //! SVD file used to generate the device crate *must* contain [``] //! information. //! //! [`svd2rust`]: https://docs.rs/svd2rust/0..0/svd2rust/ //! [``]: https://www.keil.com/pack/doc/CMSIS/SVD/html/elem_cpu.html //! //! # `app!` //! //! The `app!` macro is documented [here]. //! //! [here]: https://docs.rs/cortex-m-rtfm-macros/0.2.0/cortex_m_rtfm_macros/fn.app.html //! //! # Examples //! //! In increasing grade of complexity. See the [examples](./examples/index.html) //! module. //! //! # References //! //! - Baker, T. P. (1991). Stack-based scheduling of realtime processes. //! *Real-Time Systems*, 3(1), 67-99. //! //! > The original Stack Resource Policy paper. [PDF][srp]. //! //! [srp]: http://www.cs.fsu.edu/~baker/papers/mstacks3.pdf //! //! - Eriksson, J., Häggström, F., Aittamaa, S., Kruglyak, A., & Lindgren, P. //! (2013, June). Real-time for the masses, step 1: Programming API and static //! priority SRP kernel primitives. In Industrial Embedded Systems (SIES), //! 2013 8th IEEE International Symposium on (pp. 110-113). IEEE. //! //! > A description of the RTFM task and resource model. [PDF][rtfm] //! //! [rtfm]: http://www.diva-portal.org/smash/get/diva2:1005680/FULLTEXT01.pdf #![deny(missing_docs)] #![deny(warnings)] #![feature(proc_macro)] #![no_std] extern crate cortex_m; extern crate cortex_m_rtfm_macros; extern crate rtfm_core; extern crate static_ref; use core::u8; pub use rtfm_core::{Resource, Static, Threshold}; pub use cortex_m::asm::{bkpt, wfi}; pub use cortex_m_rtfm_macros::app; use cortex_m::interrupt::{self, Nr}; #[cfg(not(armv6m))] use cortex_m::register::basepri; pub mod examples; /// Executes the closure `f` in a preemption free context /// /// During the execution of the closure no task can preempt the current task. pub fn atomic(t: &mut Threshold, f: F) -> R where F: FnOnce(&mut Threshold) -> R, { if t.value() == u8::MAX { f(t) } else { interrupt::disable(); let r = f(&mut unsafe { Threshold::max() }); unsafe { interrupt::enable() }; r } } #[inline] #[doc(hidden)] pub unsafe fn claim( data: T, ceiling: u8, _nvic_prio_bits: u8, t: &mut Threshold, f: F, ) -> R where F: FnOnce(T, &mut Threshold) -> R, { if ceiling > t.value() { match () { #[cfg(armv6m)] () => atomic(t, |t| f(data, t)), #[cfg(not(armv6m))] () => { let max_priority = 1 << _nvic_prio_bits; if ceiling == max_priority { atomic(t, |t| f(data, t)) } else { let old = basepri::read(); let hw = (max_priority - ceiling) << (8 - _nvic_prio_bits); basepri::write(hw); let ret = f(data, &mut Threshold::new(ceiling)); basepri::write(old); ret } } } } else { f(data, t) } } /// Sets an interrupt, that is a task, as pending /// /// If the task priority is high enough the task will be serviced immediately, /// otherwise it will be serviced at some point after the current task ends. pub fn set_pending(interrupt: I) where I: Nr, { // NOTE(safe) atomic write let nvic = unsafe { &*cortex_m::peripheral::NVIC.get() }; nvic.set_pending(interrupt); } ion> Unnamed repository; edit this file 'description' to name the repository.
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2022-06-30Ci: improve times, reduce delay (#3780)Gravatar Fred K. Schott 1-14/+10
* improve CI times * improve CI times
2022-06-30await error reporter (#3779)Gravatar Fred K. Schott 2-10/+25
2022-06-30[ci] formatGravatar natemoo-re 14-99/+95
2022-06-30MDX support (#3706)Gravatar Nate Moore 63-57/+1153
* feat: first pass at MDX support * fix: move built-in JSX renderer to come first * chore: remove jsx example * chore: update lockfile * chore: cleanup example * fix: missing deps * refactor: move component render logic to `renderPage` * chore: update HMR script * chore: update MDX example * refactor: prefer unshit * refactor: remove TODO comment * fix: remove duplicate identifier * refactor: cleanup mdx entrypoint * fix: better html handling * fix: add tsconfig to mdx package * chore: update lockfile * fix: do not sort plugins unless mdx is enabled * chore: update compiler * fix(hmr): maybe render head for non-Astro pages * fix: set initial pageExtensions * refactor: cleanup addPageExtension * refactor: remove addPageExtensions from types * refactor: expose HookParameters type * fix: only default to astro for MDX * test: pick up jsx support in test fixtures * refactor: simplify mdx entrypoint * test: add basic MDX tests * test(e2e): add mdx + framework tests * chore: update lockfile * test(e2e): fix preact mdx e2e test * fix(mdx): disable .md support * test(e2e): fix vue-component test missing mdx * test(e2e): fix solid component needing import * fix: allow `client:only="solid"` as an alias to `solid-js` * chore: move to with-mdx example * chore: update MDX readme * chore: update example readme * chore: bump astro version * chore: update lockfile * Update mod.d.ts * feat: support `export const components` in MDX pages * chore: update mdx example * fix: update jsx-runtime with better slot support * refactor: remove object style support * chore: cleanup package exports * chore: add todo comment * refactor: improve isPage function, move to utils * refactor: dry up manual HMR updates * chore: add dev tests for MDX * chore: prefer set to array * chore: add changesets * fix(hmr): flip public/private route Co-authored-by: Nate Moore <nate@astro.build>
2022-06-30Fix integration name (`prefetch` instead of `lit`) (#3778)Gravatar hippotastic 2-1/+6
2022-06-30[ci] update lockfile (#3771)Gravatar Fred K. Bot 1-114/+112
Co-authored-by: FredKSchott <FredKSchott@users.noreply.github.com>
2022-06-30Integration Docs Next Steps (#3677)Gravatar Dan Jutan 11-314/+666
* sitemap readme skeleton + first sections * Revert "sitemap readme skeleton + first sections" This reverts commit cc55b312b6dc95522645002806d63f32c33d1956. * sitemap readme skeleton + first sections * remove canonicalURL option from sitemap * add customPages option to readme * sitemap examples * partytown * deno run command * reference deno example * node readme * netlify & vercel readmes * note that telemetry is installed * telemetry is *enabled*, not installed * Update packages/integrations/vercel/README.md Co-authored-by: Chris Swithinbank <swithinbank@gmail.com> * Update packages/integrations/vercel/README.md Co-authored-by: Chris Swithinbank <swithinbank@gmail.com> * readme -> README * Update packages/integrations/deno/readme.md Co-authored-by: Chris Swithinbank <swithinbank@gmail.com> * Update packages/integrations/deno/readme.md Co-authored-by: Chris Swithinbank <swithinbank@gmail.com> * qualify they * Update packages/integrations/sitemap/README.md Co-authored-by: Chris Swithinbank <swithinbank@gmail.com> * Uppercase README names * Update packages/integrations/partytown/README.md Co-authored-by: Chris Swithinbank <swithinbank@gmail.com> * imports -> import typo * update changeset Co-authored-by: Chris Swithinbank <swithinbank@gmail.com>
2022-06-30[ci] formatGravatar tony-sull 1-2/+2
2022-06-30refactor to provide better cli error handling (#3768)Gravatar Fred K. Schott 2-43/+37
2022-06-30[ci] release (#3772)@astrojs/preact@0.3.1Gravatar Fred K. Bot 12-22/+23
Co-authored-by: github-actions[bot] <github-actions[bot]@users.noreply.github.com>
2022-06-30Added Cloudflare adapter to README.md (#3773)Gravatar Isaac McFadyen 1-0/+1
2022-06-30[ci] formatGravatar hippotastic 1-5/+4
2022-06-30Fix "Invalid hook call" warning (#3769)Gravatar hippotastic 2-9/+79
* Fix "Invalid hook call" warning * Fix eslint warnings * Apply code review suggestions
2022-06-29[ci] release (#3759)astro@1.0.0-beta.59@astrojs/telemetry@0.2.2@astrojs/preact@0.3.0Gravatar Fred K. Bot 42-121/+117
Co-authored-by: github-actions[bot] <github-actions[bot]@users.noreply.github.com>
2022-06-29[ci] formatGravatar FredKSchott 8-35/+36
2022-06-29manual lockfile update (#3751)Gravatar Fred K. Schott 3-2659/+2871
* lockfile update * update lockfile gen script * Update index.ts
2022-06-29add error event to telemetry (#3750)Gravatar Fred K. Schott 16-85/+270