Set some default features

- rt will be set by default by stm32f3
- ld is a convenience wrapper for the linker
  and makes it easier for newcomers
- usb is relying on an external dependency
- can is relying on an external dependency
- rtc is relying on an external dependency
- enumset is a convenience dependency for interrupt enums

Author: Sh3Rm4n

.github/workflows/ci.yml

@@ -24,7 +24,7 @@ jobs:
           - stm32f303x6
           # - stm32f303x8
           - stm32f303xb
-          # - stm32f303xc
+          - stm32f303xc
           - stm32f303xd
           # - stm32f303xe
           - stm32f328x8
@@ -37,10 +37,6 @@ jobs:
           - stm32f334x4
           # - stm32f334x6
           # - stm32f334x8
-        features: ["rt"]
-        include:
-          - mcu: stm32f303xc
-            features: rt,can,stm32-usbd,enumset
     steps:
       - uses: actions/checkout@v2
       - uses: actions-rs/toolchain@v1
@@ -49,7 +45,7 @@ jobs:
           target: thumbv7em-none-eabihf
           override: true
           profile: minimal
-      - run: cargo check --features=${{ matrix.mcu }},ld,${{ matrix.features }} --lib --examples
+      - run: cargo check --features=${{ matrix.mcu }} --lib --examples
 
   # This is our MSRV. However this is only for documentation
   # purposes and should be increased if newer features are used.
@@ -138,7 +134,7 @@ jobs:
       - uses: actions-rs/cargo@v1
         with:
           command: doc
-          args: --features=stm32f303xc,rt,stm32-usbd,can,enumset
+          args: --features=stm32f303xc
 
   clippy:
     name: Clippy
@@ -156,7 +152,7 @@ jobs:
         with:
           token: ${{ secrets.GITHUB_TOKEN }}
           args: >
-            --features=stm32f303xc,ld,rt,stm32-usbd,can --lib --examples
+            --features=stm32f303xc --lib --examples
             -- -D warnings
 
   rustfmt:

CHANGELOG.md

@@ -22,6 +22,8 @@ and this project adheres to [Semantic Versioning](http://semver.org/).
 
 - Make `rtc` an optional feature. Without that feature `rtcc` as a dependency is
   not needed. ([#283])
+- Enable `rt`, `usb`, `can`, `rtc` and `ld` feature by default.
+  To disable that behavior, set `default-features = false`. ([#283])
 
 ## [v0.8.0] - 2021-08-16
 

Cargo.toml

@@ -67,6 +67,7 @@ rtt-target = { version = "0.3.0", features = ["cortex-m"] }
 slice-group-by = "0.2.6"
 
 [features]
+default = ["rt", "ld", "usb", "can", "rtc", "enumset"]
 device-selected = []
 direct-call-deprecated = []
 ld = []