Third newsletter

newsletters/2018-04-14.md

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+# The Embedded Working Group Newsletter - 3
+
+> 2018-04-14
+
+This is the third bi-weekly newsletter of the [Embedded WG] where we highlight new progress, celebrate cool projects, thank the community, and advertise projects that need help!
+
+If you want to mention something in [the next newsletter], make sure to leave a comment on the issue.
+
+[the next newsletter]: https://github.com/rust-lang-nursery/embedded-wg/issues/84
+[Embedded WG]: https://github.com/rust-lang-nursery/embedded-wg
+
+## Highlights
+
+* Crates for the Embedded Rust Ecosystem are now being tracked in the [Awesome Embedded Rust] repository
+* Progress has been made as part of the [Embedded Rust on Stable] initiative, including:
+    * `extern crate compiler_builtins` is [now included in the no_std prelude]
+    * [xargo no longer needed] for ARM Cortex-M development
+* We also made some progress on simplifying the embedded development setup: You can now link Embedded Rust programs [using lld]
+* [Wilfried] kicked off a blog series about [using embedded rust]
+* [Andre Richter] is writing a tutorial for using Rust to write [bare metal Raspberry Pi 3] applications
+* The Embedonomicon and the Embedded Rust Books are [now kept] in the [Embedded WG] repository, and pull requests are welcome!
+
+[Awesome Embedded Rust]: https://github.com/rust-embedded/awesome-embedded-rust
+[Embedded Rust on Stable]: https://github.com/rust-lang-nursery/embedded-wg/issues/42
+[now included in the no_std prelude]: https://users.rust-lang.org/t/psa-breaking-change-extern-crate-compiler-builtins-is-now-included-in-no-std-crates/16704
+[xargo no longer needed]: https://users.rust-lang.org/t/psa-you-no-longer-need-xargo-to-do-arm-cortex-m-development/16703
+[using lld]: https://users.rust-lang.org/t/cortex-m-rt-v0-4-0-now-you-can-link-arm-cortex-m-programs-using-lld/16751
+[Wilfried]: https://github.com/ithinuel
+[using embedded rust]: http://ithinuel.me/embedded-rust-why/
+[Andre Richter]: https://github.com/andre-richter
+[bare metal Raspberry Pi 3]: https://github.com/andre-richter/rust-raspi3-tutorial
+[now kept]: https://github.com/rust-lang-nursery/embedded-wg/pull/78
+
+## Embedded Projects
+
+If you have an embedded project or blog post you would like to have featured in the Embedded WG Newsletter, make sure to mention it on the tracking issue for [the next newsletter], we would love to show it off!
+
+* [japaric] released an initial version of [cargo-binutils], which will allow you to use LLVM's binutils (like `nm`, `size`, `objcopy`, etc.) in the format `cargo objcopy` (once [issue 49584] has landed)
+* [myeisha] released the first version of their [thumb2-stack-size] tool, which helps determine the maximum stack size used in embedded code
+
+[japaric]: https://github.com/japaric
+[cargo-binutils]: https://github.com/japaric/cargo-binutils
+[issue 49584]: https://github.com/rust-lang/rust/issues/49584
+[myeisha]: https://github.com/myeisha
+[thumb2-stack-size]: https://crates.io/crates/thumb2-stack-size
+
+### `embedded-hal` Ecosystem Crates
+
+As part of the [Weekly Driver Initiative], crates that are part of the `embedded-hal` ecosystem are now tracked in the [Awesome Embedded Rust] repository. Here is a current snapshot of what is available there:
+
+| Type                      | Status    | Count |
+| :---                      | :-----    | :---- |
+| [Device Crates]           | released  | 13 |
+| [HAL Impl Crates]         | released  | 10 |
+| [Driver Crates Released]  | released  | 7 |
+| [Driver Crates WIP]       | WIP       | 26 |
+
+[Weekly Driver Initiative]: https://github.com/rust-lang-nursery/embedded-wg/issues/39
+[Device Crates]: https://github.com/rust-embedded/awesome-embedded-rust#device-crates
+[HAL Impl Crates]: https://github.com/rust-embedded/awesome-embedded-rust#hal-implementation-crates
+[Driver Crates Released]: https://github.com/rust-embedded/awesome-embedded-rust#driver-crates
+[Driver Crates WIP]: https://github.com/rust-embedded/awesome-embedded-rust#wip
+
+## Help Wanted
+
+* We need help working on [RFC2070], stabilizing usage of custom Panic behavior. [nagisa] is willing to mentor!
+* If you use inline assembly in your Embedded Rust programs, help us capture what assembly operations are [used most often] so we can stabilize them as intrinsics
+
+[RFC2070]: https://github.com/rust-lang/rust/issues/44489#issuecomment-381324623
+[nagisa]: https://github.com/nagisa
+[used most often]: https://github.com/rust-lang-nursery/embedded-wg/issues/63#issue-305114817