build_arduino_examples.yml

name: Build Arduino Example Apps

on:
  workflow_dispatch:
  push:
    paths:
      - src/**
      - examples/arduino/**
      - .github/workflows/build_arduino_examples.yml

jobs:
  build-examples:
    runs-on: ubuntu-latest

    strategy:
      matrix:
        example:
          - sniffer
          - remote
          - receiver

        board:
          - esp32:esp32:sparkfun_lora_gateway_1-channel
          - adafruit:avr:feather32u4
          - adafruit:samd:adafruit_feather_m0

        include:
          # Representative ESP32 board
          - board: "esp32:esp32:sparkfun_lora_gateway_1-channel"
            cores: "esp32:esp32"
            board-url: |
              https://raw.githubusercontent.com/espressif/arduino-esp32/gh-pages/package_esp32_index.json
            board-defines: |
              -DOPENRTS_BOARD_SPARKFUN_LORA_GATEWAY -DOPENRTS_BUTTON_2=0 -DOPENRTS_BUTTON_3=0 -DOPENRTS_BUTTON_4=0

          # Representative AVR board
          - board: "adafruit:avr:feather32u4"
            cores: "arduino:avr adafruit:avr"
            board-url: |
              https://adafruit.github.io/arduino-board-index/package_adafruit_index.json
            board-defines: |
              -DOPENRTS_BOARD_ADAFRUIT_32U4_RFM69 -DOPENRTS_BUTTON_1=0 -DOPENRTS_BUTTON_2=0 -DOPENRTS_BUTTON_3=0 -DOPENRTS_BUTTON_4=0

          # Representative SAMD board
          - board: "adafruit:samd:adafruit_feather_m0"
            cores: "adafruit:samd"
            board-url: |
              https://adafruit.github.io/arduino-board-index/package_adafruit_index.json
            board-defines: |
              -DOPENRTS_BOARD_ADAFRUIT_M0_RFM69 -DOPENRTS_BUTTON_1=0 -DOPENRTS_BUTTON_2=0 -DOPENRTS_BUTTON_3=0 -DOPENRTS_BUTTON_4=0

    steps:
      # Checkout the repo
      - name: Checkout
        uses: actions/checkout@v3

      # Install arduino cli
      - name: Setup Arduino CLI
        uses: arduino/setup-arduino-cli@v1

      # Add additional board URL, if required
      - name: Add additional board URLs
        run: |
          arduino-cli config init
          arduino-cli config add board_manager.additional_urls ${{ matrix.board-url }}
        if: ${{ matrix.board-url }}

      # Install cores
      - name: Install platform
        run: |
          arduino-cli core update-index
          arduino-cli core install ${{ matrix.cores }}

      # Compile the example sketch
      - name: Compile sketch
        run: |
          arduino-cli compile \
            --fqbn ${{ matrix.board }} \
            --build-property compiler.cpp.extra_flags="${{ matrix.board-defines }}" \
            --library="$PWD" \
            examples/arduino/${{matrix.example}}