ci: add tests

.github/workflows/ci.yml

@@ -0,0 +1,41 @@
+name: CI
+
+on:
+  push:
+    branches: [main]
+  pull_request:
+    branches: [main]
+
+jobs:
+  test:
+    name: Tests
+    runs-on: ubuntu-latest
+    steps:
+      - name: Checkout code
+        uses: actions/checkout@v6
+
+      - name: Install Ruby
+        uses: ruby/setup-ruby@v1
+        with:
+          ruby-version: '4.0'
+
+      - name: Install Build Tools and Ceedling
+        run: |
+          sudo apt-get update
+          sudo apt-get install -y gcc cmake ninja-build gcovr
+          gem install ceedling
+
+      - name: Fetch Dependencies
+        run: cmake -B build
+
+      - name: Run Tests
+        run: ceedling gcov:all
+
+      - name: Upload Coverage
+        uses: actions/upload-artifact@v7
+        if: always()
+        with:
+          name: code-coverage-report
+          path: build/ceedling/artifacts/gcov/gcovr/GcovCoverageResults.html
+          archive: false
+          retention-days: 7

.gitignore

@@ -1,3 +1,4 @@
+build/
 # Prerequisites
 *.d
 

test/support/stub_hal.h

@@ -5,17 +5,21 @@
 
 typedef int HAL_StatusTypeDef;
 #define HAL_OK 0
+#define HAL_MAX_DELAY 0
 
 typedef struct { uint32_t dummy; } I2C_HandleTypeDef;
+typedef struct { uint32_t dummy; } SPI_HandleTypeDef;
 typedef struct { uint32_t dummy; } GPIO_TypeDef;
 typedef struct { uint32_t dummy; } UART_HandleTypeDef;
 
 #define HAL_I2C_Mem_Read(...)    (0)
 #define HAL_I2C_Mem_Write(...)   (0)
 #define HAL_I2C_GetError(...)    (0)
-#define HAL_GPIO_WritePin(...)   ((void)0)
+#define HAL_SPI_Transmit(...)    (0)
+#define HAL_SPI_Receive(...)     (0)
+#define HAL_GPIO_WritePin(...)   (0)
 #define HAL_GPIO_ReadPin(...)    (0)
 #define HAL_UART_Transmit(...)   (0)
-#define HAL_Delay(...)           ((void)0)
+#define HAL_Delay(...)           (0)
 
 #endif