Setting up CI smoke test by building all repository examples.

.github/workflows/compile-examples.yml

@@ -0,0 +1,53 @@
+on:
+  - push
+  - pull_request
+
+env:
+  # It's convenient to set variables for values used multiple times in the workflow.
+  SKETCHES_REPORTS_PATH: sketches-reports
+
+jobs:
+  compile:
+    runs-on: ubuntu-latest
+
+    strategy:
+      matrix:
+        board:
+          - fqbn: arduino:mbed_opta:opta
+            artifact-name-suffix: arduino-mbed_opta-opta
+
+    steps:
+      - uses: actions/checkout@v4
+
+      - uses: arduino/compile-sketches@v1
+        with:
+          fqbn: ${{ matrix.board.fqbn }}
+          platforms: ${{ matrix.board.platforms }}
+          enable-deltas-report: true
+          github-token: ${{ secrets.GITHUB_TOKEN }}
+          sketches-report-path: ${{ env.SKETCHES_REPORTS_PATH }}
+
+      # This step is needed to pass the size data to the report job.
+      - name: Upload sketches report to workflow artifact
+        uses: actions/upload-artifact@v4
+        with:
+          name: sketches-reports-${{ matrix.board.artifact-name-suffix }}
+          path: ${{ env.SKETCHES_REPORTS_PATH }}
+
+  # When using a matrix to compile for multiple boards, it's necessary to use a separate job for the deltas report
+  report:
+    needs: compile # Wait for the compile job to finish to get the data for the report
+    if: github.event_name == 'pull_request' # Only run the job when the workflow is triggered by a pull request
+    runs-on: ubuntu-latest
+
+    steps:
+      # This step is needed to get the size data produced by the compile jobs
+      - name: Download sketches reports artifacts
+        uses: actions/download-artifact@v4
+        with:
+          # All workflow artifacts will be downloaded to this location.
+          path: ${{ env.SKETCHES_REPORTS_PATH }}
+
+      - uses: arduino/report-size-deltas@v1
+        with:
+          sketches-reports-source: ${{ env.SKETCHES_REPORTS_PATH }}

README.md

@@ -1,5 +1,6 @@
 :floppy_disk: `Arduino_open62541`
 =================================
+[![Compile Examples](https://github.com/bcmi-labs/Arduino_open62541/workflows/Compile%20Examples/badge.svg)](https://github.com/bcmi-labs/Arduino_open62541/actions?workflow=Compile+Examples)
 [![Arduino Lint](https://github.com/bcmi-labs/Arduino_open62541/actions/workflows/arduino-lint.yml/badge.svg)](https://github.com/bcmi-labs/Arduino_open62541/actions/workflows/arduino-lint.yml)
 [![Sync Labels status](https://github.com/bcmi-labs/Arduino_open62541/actions/workflows/sync-labels.yml/badge.svg)](https://github.com/bcmi-labs/Arduino_open62541/actions/workflows/sync-labels.yml)