From 6b1e063db8dfc8253aeae71f5e030bc0341bc480 Mon Sep 17 00:00:00 2001
From: Mika Tuupola <tuupola@appelsiini.net>
Date: Sun, 21 Dec 2025 12:00:28 +0200
Subject: [PATCH 1/2] Run cicd via cmake

---
 .github/workflows/ccpp.yml | 10 +++++++---
 README.md                  |  9 +++++++++
 tests/CMakeLists.txt       |  9 +++++++++
 3 files changed, 25 insertions(+), 3 deletions(-)
 create mode 100644 tests/CMakeLists.txt

diff --git a/.github/workflows/ccpp.yml b/.github/workflows/ccpp.yml
index 21f3f72..286f66e 100644
--- a/.github/workflows/ccpp.yml
+++ b/.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
diff --git a/README.md b/README.md
index d6623f9..ff4e8b9 100644
--- a/README.md
+++ b/README.md
@@ -163,6 +163,15 @@ while (1) {
 
 ```
 
+## Run unit tests
+
+```
+$ mkdir build && cd build
+$ cmake -DBM8563_BUILD_TESTS=ON ..
+$ make
+$ ctest
+```
+
 
 ## License
 
diff --git a/tests/CMakeLists.txt b/tests/CMakeLists.txt
new file mode 100644
index 0000000..d5a5194
--- /dev/null
+++ b/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)
\ No newline at end of file

From ca9c955bb5cd676ac048e25b9eb29b486bdf0152 Mon Sep 17 00:00:00 2001
From: Mika Tuupola <tuupola@appelsiini.net>
Date: Sun, 21 Dec 2025 12:03:16 +0200
Subject: [PATCH 2/2] Ignore crud

---
 .gitignore | 3 +++
 1 file changed, 3 insertions(+)
 create mode 100644 .gitignore

diff --git a/.gitignore b/.gitignore
new file mode 100644
index 0000000..b6b4845
--- /dev/null
+++ b/.gitignore
@@ -0,0 +1,3 @@
+build/
+tests/unit
+*.o