Merge #345

345: badges r=therealprof a=burrbull



Co-authored-by: Andrey Zgarbul <zgarbul.andrey@gmail.com>

Author: bors[bot]

CHANGELOG.md

@@ -9,6 +9,7 @@ and this project adheres to [Semantic Versioning](http://semver.org/).
 
 ### Added
 
+- More badges in README
 - `RccBus` & `GetBusFreq` traits. `AHBx`, `APBx` structures.
 - Filler `NoPin` type 
 - Add inherent impl of `PwmPin` methods on `PwmChannel`s.

README.md

@@ -1,8 +1,12 @@
 stm32f4xx-hal
 =============
 
+[![Crates.io](https://img.shields.io/crates/d/stm32f4xx-hal.svg)](https://crates.io/crates/stm32f4xx-hal)
 [![Crates.io](https://img.shields.io/crates/v/stm32f4xx-hal.svg)](https://crates.io/crates/stm32f4xx-hal)
 [![Released API docs](https://docs.rs/stm32f4xx-hal/badge.svg)](https://docs.rs/stm32f4xx-hal)
+![Minimum Supported Rust Version](https://img.shields.io/badge/rustc-1.51+-blue.svg)
+[![Continuous integration](https://github.com/stm32-rs/stm32f4xx-hal/workflows/Continuous%20integration/badge.svg)](https://github.com/stm32-rs/stm32f4xx-hal)
+[![Bors enabled](https://bors.tech/images/badge_small.svg)](https://app.bors.tech/repositories/24794)
 
 _stm32f4xx-hal_ contains a multi device hardware abstraction on top of the
 peripheral access API for the STMicro STM32F4 series microcontrollers. The