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| name: Firmware Size Tracking | |
| on: | |
| push: | |
| branches: [main] | |
| pull_request: | |
| branches: [main] | |
| jobs: | |
| size: | |
| runs-on: ubuntu-latest | |
| strategy: | |
| fail-fast: false | |
| matrix: | |
| include: | |
| - project: BMS | |
| flash_limit: 524288 | |
| - project: PCU | |
| flash_limit: 524288 | |
| - project: DASH | |
| flash_limit: 2097152 | |
| - project: LVPDB | |
| flash_limit: 524288 | |
| - project: DART | |
| flash_limit: 524288 | |
| - project: DCU | |
| flash_limit: 524288 | |
| - project: Sensor_Nodes | |
| flash_limit: 524288 | |
| name: Size ${{ matrix.project }} | |
| steps: | |
| - name: Checkout | |
| uses: actions/checkout@v4 | |
| with: | |
| submodules: recursive | |
| - name: Check buildability | |
| id: check | |
| run: | | |
| if [ ! -f "${{ matrix.project }}/CMakeLists.txt" ] || [ ! -d "${{ matrix.project }}/Core" ]; then | |
| echo "skip=true" >> "$GITHUB_OUTPUT" | |
| echo "::warning::${{ matrix.project }} skipped -- missing CMakeLists.txt or Core/ directory." | |
| else | |
| echo "skip=false" >> "$GITHUB_OUTPUT" | |
| fi | |
| - name: Install ARM GCC Toolchain | |
| if: steps.check.outputs.skip != 'true' | |
| uses: carlosperate/arm-none-eabi-gcc-action@v1 | |
| with: | |
| release: latest | |
| - name: Install Ninja | |
| if: steps.check.outputs.skip != 'true' | |
| run: sudo apt-get install -y ninja-build | |
| - name: Configure CMake | |
| if: steps.check.outputs.skip != 'true' | |
| run: > | |
| cmake -S . -B build/${{ matrix.project }} | |
| -G Ninja | |
| -DCMAKE_BUILD_TYPE=Debug | |
| -DCMAKE_TOOLCHAIN_FILE=cmake/gcc-arm-none-eabi.cmake | |
| - name: Build | |
| if: steps.check.outputs.skip != 'true' | |
| run: cmake --build build/${{ matrix.project }} --target ${{ matrix.project }} | |
| - name: Measure firmware size | |
| if: steps.check.outputs.skip != 'true' | |
| id: size | |
| run: | | |
| ELF_PATH="build/${{ matrix.project }}/${{ matrix.project }}/${{ matrix.project }}.elf" | |
| # Get size output | |
| SIZE_OUTPUT=$(arm-none-eabi-size --format=berkeley "$ELF_PATH") | |
| echo "$SIZE_OUTPUT" | |
| # Parse text + data = flash usage | |
| FLASH_USED=$(arm-none-eabi-size --format=berkeley "$ELF_PATH" | tail -1 | awk '{print $1 + $2}') | |
| RAM_USED=$(arm-none-eabi-size --format=berkeley "$ELF_PATH" | tail -1 | awk '{print $2 + $3}') | |
| FLASH_LIMIT=${{ matrix.flash_limit }} | |
| USAGE_PERCENT=$(echo "scale=1; $FLASH_USED * 100 / $FLASH_LIMIT" | bc) | |
| echo "flash_used=$FLASH_USED" >> "$GITHUB_OUTPUT" | |
| echo "ram_used=$RAM_USED" >> "$GITHUB_OUTPUT" | |
| echo "usage_percent=$USAGE_PERCENT" >> "$GITHUB_OUTPUT" | |
| # Format for display | |
| FLASH_USED_KB=$(echo "scale=1; $FLASH_USED / 1024" | bc) | |
| FLASH_LIMIT_KB=$(echo "scale=0; $FLASH_LIMIT / 1024" | bc) | |
| echo "### ${{ matrix.project }} Firmware Size" >> "$GITHUB_STEP_SUMMARY" | |
| echo "" >> "$GITHUB_STEP_SUMMARY" | |
| echo "| Metric | Value |" >> "$GITHUB_STEP_SUMMARY" | |
| echo "|--------|-------|" >> "$GITHUB_STEP_SUMMARY" | |
| echo "| Flash Used | ${FLASH_USED_KB}KB / ${FLASH_LIMIT_KB}KB (${USAGE_PERCENT}%) |" >> "$GITHUB_STEP_SUMMARY" | |
| echo "| RAM Used | ${RAM_USED} bytes |" >> "$GITHUB_STEP_SUMMARY" | |
| - name: Check flash limits | |
| if: steps.check.outputs.skip != 'true' | |
| run: | | |
| FLASH_USED=${{ steps.size.outputs.flash_used }} | |
| FLASH_LIMIT=${{ matrix.flash_limit }} | |
| USAGE_PERCENT=${{ steps.size.outputs.usage_percent }} | |
| # Warning threshold: 90% | |
| WARNING_THRESHOLD=$(echo "$FLASH_LIMIT * 90 / 100" | bc) | |
| # Error threshold: 98% | |
| ERROR_THRESHOLD=$(echo "$FLASH_LIMIT * 98 / 100" | bc) | |
| if [ "$FLASH_USED" -gt "$ERROR_THRESHOLD" ]; then | |
| echo "::error::${{ matrix.project }} flash usage is critical: ${USAGE_PERCENT}% (>${{ matrix.flash_limit }} * 98%)" | |
| exit 1 | |
| elif [ "$FLASH_USED" -gt "$WARNING_THRESHOLD" ]; then | |
| echo "::warning::${{ matrix.project }} flash usage is high: ${USAGE_PERCENT}% (>${{ matrix.flash_limit }} * 90%)" | |
| else | |
| echo "${{ matrix.project }} flash usage OK: ${USAGE_PERCENT}%" | |
| fi |