build.yml

name: Build and Release

on:
  push:
    branches: [main]
    tags: ["v*"]
    paths: ["firmware/**"]
  pull_request:
    branches: [main]
  workflow_dispatch:

jobs:
  build:
    runs-on: ubuntu-latest

    env:
      ARM_GNU_TOOLCHAIN_VERSION: 13.3.rel1
      SIMPLICITY_SDK_VERSION: v2025.6.2

    strategy:
      matrix:
        board: ["efr32xg22e", "rf-bm-bg22c3"]

    steps:
      # Checkout repository and submodules
      - name: Checkout repository
        uses: actions/checkout@v6
        with:
          submodules: true

      # Set up dependencies
      - name: Install build dependencies
        run: |
          sudo apt-get update
          sudo apt-get install -y unzip wget

      - name: Set up Java
        uses: actions/setup-java@v4
        with:
          distribution: "corretto"
          java-version: "21"

      # Setup ARM GNU Toolchain
      - name: Cache ARM GNU Toolchain
        id: cache-arm-toolchain
        uses: actions/cache@v4
        with:
          path: arm-gnu-toolchain-${{ env.ARM_GNU_TOOLCHAIN_VERSION }}-x86_64-arm-none-eabi
          key: arm-toolchain-${{ env.ARM_GNU_TOOLCHAIN_VERSION }}

      - name: Install ARM GNU Toolchain
        if: steps.cache-arm-toolchain.outputs.cache-hit != 'true'
        run: |
          wget -q https://developer.arm.com/-/media/Files/downloads/gnu/${{ env.ARM_GNU_TOOLCHAIN_VERSION }}/binrel/arm-gnu-toolchain-${{ env.ARM_GNU_TOOLCHAIN_VERSION }}-x86_64-arm-none-eabi.tar.xz
          tar xf arm-gnu-toolchain-${{ env.ARM_GNU_TOOLCHAIN_VERSION }}-x86_64-arm-none-eabi.tar.xz

      - name: Add ARM GNU Toolchain to PATH
        run: |
          echo "$PWD/arm-gnu-toolchain-${{ env.ARM_GNU_TOOLCHAIN_VERSION }}-x86_64-arm-none-eabi/bin" >> $GITHUB_PATH

      # Setup Simplicity SDK
      - name: Cache Simplicity SDK
        id: cache-simplicity-sdk
        uses: actions/cache@v4
        with:
          path: simplicity_sdk
          key: simplicity-sdk-${{ env.SIMPLICITY_SDK_VERSION }}

      - name: Install Simplicity SDK
        if: steps.cache-simplicity-sdk.outputs.cache-hit != 'true'
        run: |
          wget -q https://github.com/SiliconLabs/simplicity_sdk/releases/download/${{ env.SIMPLICITY_SDK_VERSION }}/simplicity-sdk.zip
          unzip -q simplicity-sdk.zip -d simplicity_sdk

      # Setup SLC-CLI
      - name: Cache SLC-CLI
        id: cache-slc-cli
        uses: actions/cache@v4
        with:
          path: slc_cli
          key: slc-cli-${{ runner.os }}

      - name: Install SLC-CLI
        if: steps.cache-slc-cli.outputs.cache-hit != 'true'
        run: |
          wget -q https://www.silabs.com/documents/login/software/slc_cli_linux.zip
          unzip -q slc_cli_linux.zip
          chmod +x slc_cli/slc

      - name: Add SLC-CLI to PATH
        run: |
          echo "$PWD/slc_cli" >> $GITHUB_PATH

      - name: Configure SLC-CLI
        run: |
          slc configuration --sdk simplicity_sdk
          slc configuration --gcc-toolchain arm-gnu-toolchain-${{ env.ARM_GNU_TOOLCHAIN_VERSION }}-x86_64-arm-none-eabi
          slc signature trust --sdk simplicity_sdk

      # Setup Simplicity Commander
      - name: Cache Simplicity Commander
        id: cache-simplicity-commander
        uses: actions/cache@v4
        with:
          path: commander
          key: simplicity-commander-${{ runner.os }}

      - name: Install Simplicity Commander
        if: steps.cache-simplicity-commander.outputs.cache-hit != 'true'
        run: |
          wget -q https://www.silabs.com/documents/login/software/SimplicityCommander-Linux.zip
          unzip -q SimplicityCommander-Linux.zip
          tar -xf SimplicityCommander-Linux/Commander_linux_x86_64_*.tar.bz

      - name: Add Simplicity Commander to PATH
        run: |
          echo "$PWD/commander" >> $GITHUB_PATH

      # Build bootloader
      - name: Generate bootloader project files
        working-directory: firmware/bootloader
        run: |
          slc generate bootloader.slcp \
            --with "${{ matrix.board }};wavephoenix" \
            --sdk-extensions=../boards \
            -o makefile \
            -d target/${{ matrix.board }}

      - name: Build bootloader
        working-directory: firmware/bootloader
        run: |
          make -C target/${{ matrix.board }} -f bootloader.Makefile release

      # Build firmware
      - name: Generate app firmware project files
        working-directory: firmware/app
        run: |
          slc generate wavephoenix.slcp \
            --with "${{ matrix.board }};wavephoenix" \
            --sdk-extensions=../boards,../libjoybus,../libwavebird \
            -o makefile \
            -d target/${{ matrix.board }}

      - name: Build app firmware
        working-directory: firmware/app
        run: |
          make -C target/${{ matrix.board }} -f wavephoenix.Makefile release

      - name: Generate app firmware .gbl
        working-directory: firmware/app/target/${{ matrix.board }}/build/release
        run: |
          commander gbl create \
            --app wavephoenix.s37 \
            wavephoenix.gbl

      # Upload artifacts
      - name: Rename artifacts
        run: |
          if [[ "${GITHUB_REF}" == refs/tags/* ]]; then
            VERSION=${GITHUB_REF_NAME}
          else
            VERSION="trunk"
          fi

          mv firmware/bootloader/target/${{ matrix.board }}/build/release/bootloader.hex "wavephoenix-bootloader-${VERSION}-${{ matrix.board }}.hex"
          mv firmware/app/target/${{ matrix.board }}/build/release/wavephoenix.hex "wavephoenix-receiver-${VERSION}-${{ matrix.board }}.hex"
          mv firmware/app/target/${{ matrix.board }}/build/release/wavephoenix.gbl "wavephoenix-receiver-${VERSION}-${{ matrix.board }}.gbl"

      - name: Update trunk tag
        if: github.ref == 'refs/heads/main'
        run: |
          git tag -f trunk
          git push -f origin trunk
        env:
          GITHUB_TOKEN: ${{ secrets.GITHUB_TOKEN }}

      - name: Upload artifacts to trunk release
        if: github.ref == 'refs/heads/main'
        uses: softprops/action-gh-release@v2
        with:
          files: |
            wavephoenix-bootloader-*.hex
            wavephoenix-receiver-*.hex
            wavephoenix-receiver-*.gbl
          tag_name: trunk
          name: Trunk Builds
          body: Automated build from main branch, not guaranteed to be stable.
          prerelease: true
        env:
          GITHUB_TOKEN: ${{ secrets.GITHUB_TOKEN }}

      - name: Upload artifacts to tagged release
        if: startsWith(github.ref, 'refs/tags/')
        uses: softprops/action-gh-release@v2
        with:
          files: |
            wavephoenix-bootloader-*.hex
            wavephoenix-receiver-*.hex
            wavephoenix-receiver-*.gbl
          tag_name: ${{ github.ref }}
          name: ${{ github.ref_name }}
          draft: true
        env:
          GITHUB_TOKEN: ${{ secrets.GITHUB_TOKEN }}