Merge #245

245: Add the `irq` crate r=andre-richter a=jonas-schievink



Co-authored-by: Jonas Schievink <jonasschievink@gmail.com>

Author: bors[bot]

README.md

@@ -724,6 +724,7 @@ Work in progress drivers. Help the authors make these crates awesome!
 1. [ieee802154](https://crates.io/crates/ieee802154): Partial implementation of the IEEE 802.15.4 standard - ![crates.io](https://img.shields.io/crates/v/ieee802154.svg)
 1. [infrared](https://crates.io/crates/infrared): infrared remote control library for embedded rust - ![crates.io](https://img.shields.io/crates/v/infrared.svg)
 1. [intrusive-collections](https://crates.io/crates/intrusive-collections): intrusive (non-allocating) singly/doubly linked lists and red-black trees - ![crates.io](https://img.shields.io/crates/v/intrusive-collections.svg)
+1. [irq](https://crates.io/crates/irq): utilities for writing interrupt handlers (allows moving data into interrupts, and sharing data between them) - ![crates.io](https://img.shields.io/crates/v/irq.svg)
 1. [managed](https://crates.io/crates/managed): provides `ManagedSlice`, `ManagedMap` backed by either their std counterparts or fixed-size buffers for `#![no_std]`. - ![crates.io](https://img.shields.io/crates/v/managed.svg)
 1. [menu]: A basic command-line interface library. Has nested menus and basic help functionality. ![crates.io](https://img.shields.io/crates/v/menu.svg)
 1. [micromath](https://github.com/NeoBirth/micromath): Embedded Rust math library featuring fast, safe floating point approximations for common arithmetic operations, 2D and 3D vector types, and statistical analysis - ![crates.io](https://img.shields.io/crates/v/micromath.svg)