Merge pull request #444 from flosse/tokio-modbus

add tokio-modbus library

README.md

@@ -46,6 +46,7 @@ If you want to contribute, please read [this](CONTRIBUTING.md).
   - [Graph processing](#graph-processing)
   - [GUI](#gui)
   - [Image processing](#image-processing)
+  - [Industrial automation](#industrial-automation)
   - [Language specification](#language-specification)
   - [Logging](#logging)
   - [Machine learning](#machine-learning)
@@ -147,6 +148,8 @@ See also [Friends of Rust](https://www.rust-lang.org/friends.html) (organization
   * [Twinklebear/tray_rust](https://github.com/Twinklebear/tray_rust) — a ray tracer [<img src="https://api.travis-ci.org/Twinklebear/tray_rust.svg">](https://travis-ci.org/Twinklebear/tray_rust)
   * **Image processing**
     * [spejss/Image-Processing-CLI-in-Rust](https://github.com/spejss/Image-Processing-CLI-in-Rust) — CLI for processing images, generating histograms. [![Build Status](https://api.travis-ci.org/spejss/Image-Processing-CLI-in-Rust.svg?branch=master)](https://travis-ci.org/spejss/Image-Processing-CLI-in-Rust)
+* **Industrial automation**
+  * [slowtec/tokio-modbus](https://github.com/slowtec/tokio-modbus) - A [tokio](https://tokio.rs)-based [modbus](http://modbus.org) library. [![Build Status](https://api.travis-ci.org/slowtec/tokio-modbus.svg?branch=master)](https://travis-ci.org/slowtec/tokio-modbus)
 * **Operating systems**, see also [A comparison of operating systems written in Rust](https://github.com/flosse/rust-os-comparison)
   * [redox-os/redox](https://github.com/redox-os/redox) — [<img   src="https://api.travis-ci.org/redox-os/redox.svg?branch=master">](https://travis-ci.org/redox-os/redox)
   * [thepowersgang/rust_os](https://github.com/thepowersgang/rust_os) — [<img src="https://api.travis-ci.org/thepowersgang/rust_os.svg?branch=master">](https://travis-ci.org/thepowersgang/rust_os)