Merge pull request #2 from pbert519/ci

Introduce CI

.github/workflows/rust.yml

@@ -0,0 +1,80 @@
+name: Rust
+
+on:
+  push:
+    branches: [ "main" ]
+  pull_request:
+    branches: [ "main" ]
+
+env:
+  CARGO_TERM_COLOR: always
+
+jobs:
+  build:
+    name: Build
+    runs-on: ubuntu-latest
+    strategy:
+      matrix:
+        target:
+          - x86_64-unknown-linux-gnu
+          - thumbv7em-none-eabi
+        rust:
+          - stable
+          - nightly
+    steps:
+      - uses: actions/checkout@v2
+      - uses: actions-rs/toolchain@v1
+        with:
+          toolchain: ${{ matrix.rust }}
+          target: ${{ matrix.target }}
+          override: true
+      - uses: actions-rs/cargo@v1
+        with:
+          command: build
+          args: --release --target=${{ matrix.target }}
+
+  test:
+    name: Test Suite
+    runs-on: ubuntu-latest
+    steps:
+      - name: Checkout sources
+        uses: actions/checkout@v2
+
+      - name: Install stable toolchain
+        uses: actions-rs/toolchain@v1
+        with:
+          profile: minimal
+          toolchain: stable
+          override: true
+
+      - name: Run cargo test
+        uses: actions-rs/cargo@v1
+        with:
+          command: test
+
+  lints:
+    name: Lints
+    runs-on: ubuntu-latest
+    steps:
+      - name: Checkout sources
+        uses: actions/checkout@v2
+
+      - name: Install stable toolchain
+        uses: actions-rs/toolchain@v1
+        with:
+          profile: minimal
+          toolchain: stable
+          override: true
+          components: rustfmt, clippy
+
+      - name: Run cargo fmt
+        uses: actions-rs/cargo@v1
+        with:
+          command: fmt
+          args: --all -- --check
+
+      - name: Run cargo clippy
+        uses: actions-rs/cargo@v1
+        with:
+          command: clippy
+          args: -- -D warnings

src/lib.rs

@@ -147,13 +147,13 @@ impl<IT8951Interface: interface::IT8951Interface> IT8951<IT8951Interface, Off> {
             interface,
             dev_info: None,
             marker: PhantomData {},
-        }.sys_run()?;
-
+        }
+        .sys_run()?;
+
         it8951.dev_info = Some(it8951.get_system_info()?);
 
         Ok(it8951)
     }
-
 }
 
 impl<IT8951Interface: interface::IT8951Interface> IT8951<IT8951Interface, Run> {

src/pixel_serializer.rs

@@ -20,11 +20,13 @@ impl<I: Iterator<Item = Pixel<Gray4>>> PixelSerializer<I> {
             area,
             pixels,
             row: 0,
-            /// 512 * 2 Bytes = 1kByte
+            // 512 * 2 Bytes = 1kByte
             max_entries: 512,
         }
     }
     // max buffer size in 16bit words
+    // TODO make variable buffer size available via public api
+    #[allow(unused)]
     pub fn with_buffer_max_words(self, size: usize) -> Self {
         Self {
             max_entries: size,