Merge #195

195: Sdio driver updates r=therealprof a=jkristell

Various cleanups, 
The biggest change is that Cmd and command related functionality moved to the sdio-host crate.

Co-authored-by: Johan Kristell <[email protected]>

Author: bors[bot]

CHANGELOG.md

@@ -14,6 +14,7 @@ and this project adheres to [Semantic Versioning](http://semver.org/).
 - [breaking-change] Sdio is disabled by default, enable with the `sdio` feature flag.
 - Move SDIO card power handling to its own function.
 - [breaking-change] Add a 2 ms delay after changing SDIO card power setting.
+- [breaking-change] Changed sdio::{read, write}_block buf argument to &[u8; 512].
 
 ### Added
 

Cargo.toml

@@ -32,7 +32,7 @@ nb = "0.1.2"
 rand_core = "0.5.1"
 stm32f4 = "0.11"
 synopsys-usb-otg = { version = "0.2.0", features = ["cortex-m"], optional = true }
-sdio-host = { version = "0.4.0", optional = true }
+sdio-host = { version = "0.5.0", optional = true }
 stable_deref_trait = { version = "1.2.0", default-features = false }
 
 [dependencies.bare-metal]