Run cicd via cmake

.github/workflows/ccpp.yml

@@ -12,6 +12,10 @@ jobs:
     runs-on: ubuntu-latest
 
     steps:
-    - uses: actions/checkout@v2
-    - name: make check
-      run: make check
+    - uses: actions/checkout@v4
+    - name: Configure
+      run: cmake -B build -DBM8563_BUILD_TESTS=ON
+    - name: Build
+      run: cmake --build build
+    - name: Test
+      run: ctest --test-dir build --output-on-failure

.gitignore

@@ -0,0 +1,3 @@
+build/
+tests/unit
+*.o

README.md

@@ -163,6 +163,15 @@ while (1) {
 
 ```
 
+## Run unit tests
+
+```
+$ mkdir build && cd build
+$ cmake -DBM8563_BUILD_TESTS=ON ..
+$ make
+$ ctest
+```
+
 
 ## License
 

tests/CMakeLists.txt

@@ -0,0 +1,9 @@
+add_executable(unit unit.c mock_i2c.c)
+target_link_libraries(unit PRIVATE bm8563)
+target_compile_options(unit PRIVATE
+    -Wmissing-declarations
+    -Wmissing-prototypes
+    -Wstrict-prototypes
+)
+
+add_test(NAME unit COMMAND unit)