Improve Arduino library CI

.github/workflows/arduino-checks.yml

@@ -4,7 +4,7 @@ name: Arduino Library Checks
 
 # Controls when the action will run.
 on:
-  # Triggers the workflow on push or pull request events but only for the develop branch
+  # Triggers the workflow on push or pull request events but only for the develop and master branches
   push:
     branches: [develop,master]
   pull_request:
@@ -54,7 +54,7 @@ jobs:
           verbose: true
           fqbn: arduino:avr:uno
           sketch-paths: |
-            - 'examples/RDMSerialRecv'
+            - examples
 
   compile-leonardo:
     needs: compile-uno
@@ -71,7 +71,7 @@ jobs:
           verbose: true
           fqbn: arduino:avr:leonardo
           sketch-paths: |
-            - 'examples/RDMSerialRecv'
+            - examples
 
   compile-mega:
     needs: compile-uno
@@ -88,4 +88,21 @@ jobs:
           verbose: true
           fqbn: arduino:avr:mega
           sketch-paths: |
-            - 'examples/RDMSerialRecv'
+            - examples
+
+  compile-nano:
+    needs: compile-uno
+    name: compile examples for nano
+    runs-on: ubuntu-latest
+    continue-on-error: true
+
+    steps:
+      - uses: actions/checkout@v2
+
+      - name: Compile for nano
+        uses: arduino/compile-sketches@v1
+        with:
+          verbose: true
+          fqbn: arduino:avr:nano
+          sketch-paths: |
+            - examples

.github/workflows/compile-examples.yml

@@ -0,0 +1,92 @@
+name: Compile Examples
+
+# See: https://docs.github.com/en/free-pro-team@latest/actions/reference/events-that-trigger-workflows
+on:
+  push:
+    paths:
+      - ".github/workflows/compile-examples.yml"
+      - "examples/**"
+      - "src/**"
+  pull_request:
+    paths:
+      - ".github/workflows/compile-examples.yml"
+      - "examples/**"
+      - "src/**"
+  schedule:
+    # Run every Tuesday at 8 AM UTC to catch breakage caused by changes to external resources (libraries, platforms).
+    - cron: "0 8 * * TUE"
+  workflow_dispatch:
+  repository_dispatch:
+
+jobs:
+  build:
+    name: ${{ matrix.board.fqbn }}
+    runs-on: ubuntu-latest
+
+    env:
+      SKETCHES_REPORTS_PATH: sketches-reports
+
+    strategy:
+      fail-fast: false
+
+      matrix:
+        board:
+          - fqbn: arduino:avr:nano
+            platforms: |
+              - name: arduino:avr
+          - fqbn: arduino:avr:mega
+            platforms: |
+              - name: arduino:avr
+          - fqbn: arduino:avr:leonardo
+            platforms: |
+              - name: arduino:avr
+          # No serial port/incorrect serial config
+          #- fqbn: arduino:megaavr:nona4809
+          #  platforms: |
+          #    - name: arduino:megaavr
+          # No EEPROM library in all the below
+          #- fqbn: arduino:sam:arduino_due_x_dbg
+          #  platforms: |
+          #    - name: arduino:sam
+          #- fqbn: arduino:samd:mkrzero
+          #  platforms: |
+          #    - name: arduino:samd
+          #- fqbn: arduino:mbed_portenta:envie_m4
+          #  platforms: |
+          #    - name: arduino:mbed_portenta
+          #- fqbn: arduino:mbed_portenta:envie_m7
+          #  platforms: |
+          #    - name: arduino:mbed_portenta
+          #- fqbn: arduino:mbed_nano:nano33ble
+          #  platforms: |
+          #    - name: arduino:mbed_nano
+          #- fqbn: arduino:mbed_nano:nanorp2040connect
+          #  platforms: |
+          #    - name: arduino:mbed_nano
+
+    steps:
+      - name: Checkout repository
+        uses: actions/checkout@v2
+
+      - name: Compile examples
+        uses: arduino/compile-sketches@v1
+        with:
+          github-token: ${{ secrets.GITHUB_TOKEN }}
+          fqbn: ${{ matrix.board.fqbn }}
+          platforms: ${{ matrix.board.platforms }}
+          libraries: |
+            # Install the library from the local path.
+            - source-path: ./
+            # Additional library dependencies can be listed here.
+            # See: https://github.com/arduino/compile-sketches#libraries
+          sketch-paths: |
+            - examples
+          enable-deltas-report: true
+          sketches-report-path: ${{ env.SKETCHES_REPORTS_PATH }}
+
+      - name: Save sketches report as workflow artifact
+        uses: actions/upload-artifact@v2
+        with:
+          if-no-files-found: error
+          path: ${{ env.SKETCHES_REPORTS_PATH }}
+          name: ${{ env.SKETCHES_REPORTS_PATH }}

.github/workflows/report-size-deltas.yml

@@ -0,0 +1,24 @@
+name: Report Size Deltas
+
+# See: https://docs.github.com/en/free-pro-team@latest/actions/reference/events-that-trigger-workflows
+on:
+  push:
+    paths:
+      - ".github/workflows/report-size-deltas.yml"
+  schedule:
+    # Run at the minimum interval allowed by GitHub Actions.
+    # Note: GitHub Actions periodically has outages which result in workflow failures.
+    # In this event, the workflows will start passing again once the service recovers.
+    - cron: "*/5 * * * *"
+  workflow_dispatch:
+  repository_dispatch:
+
+jobs:
+  report:
+    runs-on: ubuntu-latest
+    steps:
+      - name: Comment size deltas reports to PRs
+        uses: arduino/report-size-deltas@v1
+        with:
+          # The name of the workflow artifact created by the sketch compilation workflow
+          sketches-reports-source: sketches-reports