fix: adding default features

Cargo.toml

@@ -13,15 +13,13 @@ edition = "2018"
 
 [dependencies]
 cortex-m = "0.7.7"
+cortex-m-rt = { version = "0.7.3", optional = true}
 critical-section = { version = "1.1.2", optional = true }
 vcell = "0.1.3"
 
-[dependencies.cortex-m-rt]
-optional = true
-version = "0.7.3"
-
 [features]
+default = ["critical-section", "rt"]
 rt = ["cortex-m-rt/device"]
 
 [package.metadata.docs.rs]
-features = ["rt"]
+features = ['default']

README.md

@@ -7,8 +7,6 @@
 
 This is a 'peripheral access crate' for interfacing to the XMC4500 series of microcontrollers for embedded support in Rust that is generated using [svd2rust](https://docs.rs/svd2rust) and an SVD file provided by Infineon.
 
-There is an optional `rt` that can be utilized. An explanation of the feature is given by [svd2rust](https://docs.rs/svd2rust/0.16.1/svd2rust/#the-rt-feature)
-
 All API's and usage (besides what registers exist) are defined by [svd2rust](https://docs.rs/svd2rust)
 
 ## Generate Crate from SVD
@@ -21,11 +19,3 @@ rustup component add rustfmt
 
 svd.sh # Generates code from crate and formats to rustfmt
 ```
-
-## Using Crate
-
-```toml
-[dependencies.xmc4500]
-version = "0.3.1"
-features = ["rt"]
-```