rust-embedded/cortex-m

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Low level access to Cortex-M processors

Stars: 1k
Forks: 202
Open beginner issues: 0
Indexed issues: 93
Avg merge: 6d 2h
Merged PRs (30d): 2

Dominant language: Rust
License: Apache-2.0
Last GitHub push: Sep 15, 2026
Latest indexed: Sep 19, 2026
Contributing guide: No contributing guide
Code of conduct: Code of conduct
Beginner labels: help wanted

Beginner friendly Everything

Open All

93 open issues indexed

`static mut` transform is unsound on multi-core systems Open

I-unsound

Difficulty 5/5 Over a week Newbie friendliness 30/100

rust-embedded/cortex-m#411 · 8 comments · Opened Feb 23, 2021
CHANGELOG.md is imprecise on/after v0.6.5 Open

A-documentation

Difficulty 3/5 1-2 days Newbie friendliness 48/100

rust-embedded/cortex-m#326 · Opened Jan 28, 2021
asm::delay blocks for 1.5 times longer on 0.6.5 Open

Difficulty 4/5 3-5 days Newbie friendliness 35/100

rust-embedded/cortex-m#325 · 6 comments · Opened Jan 28, 2021
Cache maintenance operations require reference to self Open

breaking change enhancement

Difficulty 4/5 3-5 days Newbie friendliness 35/100

rust-embedded/cortex-m#304 · 1 comment · Opened Dec 7, 2020
Use `#[doc(cfg(...))]` Open

A-documentation enhancement

Difficulty 4/5 3-5 days Newbie friendliness 35/100

rust-embedded/cortex-m#295 · 2 comments · Opened Nov 19, 2020
SWI / SVC support Open

Difficulty 5/5 Over a week Newbie friendliness 25/100

rust-embedded/cortex-m#265 · 8 comments · 1 reaction · Opened Sep 4, 2020
Proposal for separating cortex-m into smaller parts Open

Difficulty 5/5 Over a week Newbie friendliness 25/100

rust-embedded/cortex-m#239 · 8 comments · 3 reactions · Opened Jul 6, 2020
Tracking issue for cache maintenance operations Open

Difficulty 5/5 Over a week Newbie friendliness 25/100

rust-embedded/cortex-m#238 · Opened Jul 5, 2020
Critical sections do nothing in unprivileged code Open

Difficulty 5/5 Over a week Newbie friendliness 20/100

rust-embedded/cortex-m#233 · 10 comments · Opened Jul 3, 2020
iprintln!() fails to print after printing certain amount of data Open

Difficulty 3/5 1-2 days Newbie friendliness 35/100

rust-embedded/cortex-m#229 · 4 comments · Opened Jun 12, 2020
`Mutex::borrow` only gives an immutable reference? Open

Difficulty 2/5 1-3 hours Newbie friendliness 25/100

rust-embedded/cortex-m#224 · 3 comments · Opened Jun 8, 2020
add virtual unwind info (.debug_frame / CFI) to external assembly Open

help wanted

Difficulty 4/5 3-5 days Newbie friendliness 42/100

rust-embedded/cortex-m#215 · 5 comments · 1 reaction · Opened May 5, 2020
mutex-trait implementation? Open

Difficulty 5/5 Over a week Newbie friendliness 20/100

rust-embedded/cortex-m#208 · Opened Apr 21, 2020
Add an INFO section in the linkerscript for instrumentation Open

Difficulty 4/5 3-5 days Newbie friendliness 35/100

rust-embedded/cortex-m#410 · 4 comments · Opened Mar 27, 2020
Porcelain and Plumbing Open

Difficulty 5/5 Over a week Newbie friendliness 18/100

rust-embedded/cortex-m#409 · 5 comments · Opened Mar 3, 2020
Documentation: What is the contract to call NVIC::unmask soundly? Open

A-documentation

Difficulty 2/5 1-3 hours Newbie friendliness 50/100

rust-embedded/cortex-m#197 · 7 comments · 2 reactions · Opened Feb 29, 2020
Enable stack overflow protection by default Open

Difficulty 5/5 Over a week Newbie friendliness 35/100

rust-embedded/cortex-m#408 · 8 comments · 4 reactions · Opened Feb 6, 2020
Pull out reusable semihosting code into its own crate Open

enhancement

Difficulty 4/5 3-5 days Newbie friendliness 35/100

rust-embedded/cortex-m#288 · 2 comments · Opened Jan 14, 2020
[RFC] Change the cortex-m-rt attribute syntax Open

Difficulty 5/5 Over a week Newbie friendliness 25/100

rust-embedded/cortex-m#407 · 5 comments · Opened Jan 11, 2020
Clarify / Document / Redesign the `Peripherals::{take, steal}` API Open

RFC

Difficulty 5/5 Over a week Newbie friendliness 25/100

rust-embedded/cortex-m#186 · 7 comments · 2 reactions · Opened Jan 9, 2020
cortex-m-semihosting: Ship a 1.0 release Open

Difficulty 5/5 Over a week Newbie friendliness 20/100

rust-embedded/cortex-m#290 · 3 comments · Opened Jan 9, 2020
Ship a 1.0 release Open

Difficulty 5/5 Over a week Newbie friendliness 20/100

rust-embedded/cortex-m#183 · 11 comments · 1 reaction · Opened Jan 7, 2020
'get_ticks_per_10ms' works like 'get_ticks_per_1ms' on QEMU Open

Difficulty 3/5 1-2 days Newbie friendliness 38/100

rust-embedded/cortex-m#182 · 1 comment · Opened Jan 5, 2020
IPSR register? Open

Difficulty 4/5 3-5 days Newbie friendliness 25/100

rust-embedded/cortex-m#158 · 1 comment · Opened Jul 18, 2019
Delay time influenced by memory configuration Open

Difficulty 1/5 Under an hour Newbie friendliness 58/100

rust-embedded/cortex-m#151 · 5 comments · Opened Jul 1, 2019
[discussion] Peripheral singletons are not multi-core friendly Open

Difficulty 5/5 Over a week Newbie friendliness 25/100

rust-embedded/cortex-m#149 · 2 comments · 2 reactions · Opened Jun 19, 2019
Peripherals as scoped parameters to main Open

Difficulty 5/5 Over a week Newbie friendliness 25/100

rust-embedded/cortex-m#403 · 5 comments · Opened Mar 2, 2019
[RFC] user defined memory layout Open

Difficulty 5/5 Over a week Newbie friendliness 25/100

rust-embedded/cortex-m#402 · 8 comments · 14 reactions · Opened Jan 12, 2019
RFC: `#[late]` statics Open

Difficulty 5/5 Over a week Newbie friendliness 25/100

rust-embedded/cortex-m#401 · 3 comments · 1 reaction · Opened Nov 19, 2018
Support Secure Mode for Armv8-m (e.g. Secture Interrupt Vector Table) Open

O-Armv8-M

Difficulty 5/5 Over a week Newbie friendliness 25/100

rust-embedded/cortex-m#400 · 8 comments · 2 reactions · Opened Nov 10, 2018
Allow setting exception return value in exceptions Open

Difficulty 5/5 Over a week Newbie friendliness 35/100

rust-embedded/cortex-m#399 · Opened Nov 8, 2018
Doesn't support JSON targets Open

Difficulty 2/5 1-3 hours Newbie friendliness 45/100

rust-embedded/cortex-m#122 · 1 comment · Opened Oct 27, 2018
[RFC] `#[uninit]` for truly uninitialized `static` variables Open

Difficulty 5/5 Over a week Newbie friendliness 24/100

rust-embedded/cortex-m#398 · 6 comments · 3 reactions · Opened Sep 9, 2018
New cortex-m-rt doesn't work with Cargo "rename-dependency" feature Open

Difficulty 3/5 1-2 days Newbie friendliness 35/100

rust-embedded/cortex-m#397 · 3 comments · Opened Sep 9, 2018
Provide storage section for writable flash memory Open

Difficulty 4/5 3-5 days Newbie friendliness 35/100

rust-embedded/cortex-m#396 · 5 comments · Opened Mar 20, 2018
Safe API to enable the ITM Open

help wanted

Difficulty 4/5 3-5 days Newbie friendliness 35/100

rust-embedded/cortex-m#82 · 16 comments · 2 reactions · Opened Feb 23, 2018
Enhancing the default handler Open

Difficulty 5/5 Over a week Newbie friendliness 30/100

rust-embedded/cortex-m#395 · Opened Feb 16, 2018
Should ITM write functions check if a debugger is connected like CMSIS ITM_SendChar ? Open

Difficulty 3/5 1-2 days Newbie friendliness 35/100

rust-embedded/cortex-m#74 · 4 comments · 2 reactions · Opened Jan 12, 2018
API for exception priority configuration Open

Difficulty 5/5 Over a week Newbie friendliness 25/100

rust-embedded/cortex-m#64 · 1 comment · 1 reaction · Opened Nov 15, 2017
Easy way to transfer code from flash to RAM? Open

Difficulty 4/5 3-5 days Newbie friendliness 35/100

rust-embedded/cortex-m#394 · 18 comments · Opened Nov 7, 2017
Using semihosting with no debugger attached Open

Difficulty 4/5 3-5 days Newbie friendliness 35/100

rust-embedded/cortex-m#289 · 4 comments · 7 reactions · Opened May 6, 2017
peripheral: "safer" API like the one svd2rust generates? Open

question

Difficulty 5/5 Over a week Newbie friendliness 25/100

rust-embedded/cortex-m#7 · 10 comments · Opened Oct 15, 2016
document better what requires privileged level Open

enhancement

Difficulty 2/5 1-3 hours Newbie friendliness 30/100

rust-embedded/cortex-m#2 · Opened Sep 27, 2016

rust-embedded/cortex-m

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