Update "smoke test" examples compilation CI workflow

On every push or pull request that affects library source or example files, and periodically, compile all example
sketches for the specified boards.

Author: per1234

.github/workflows/compile-examples.yml

@@ -1,20 +1,79 @@
 name: Compile Examples
-on: [push, pull_request]
+
+# 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:
-   runs-on: ubuntu-latest
+  build:
+    name: ${{ matrix.board.fqbn }}
+    runs-on: ubuntu-latest
+
+    strategy:
+      fail-fast: false
+
+      matrix:
+        board:
+          - fqbn: arduino:samd:mkrzero
+            platforms: |
+              - name: arduino:samd
+          - fqbn: arduino:samd:mkr1000
+            platforms: |
+              - name: arduino:samd
+          - fqbn: arduino:samd:mkrwifi1010
+            platforms: |
+              - name: arduino:samd
+          - fqbn: arduino:samd:mkrfox1200
+            platforms: |
+              - name: arduino:samd
+          - fqbn: arduino:samd:mkrwan1300
+            platforms: |
+              - name: arduino:samd
+          - fqbn: arduino:samd:mkrwan1310
+            platforms: |
+              - name: arduino:samd
+          - fqbn: arduino:samd:mkrgsm1400
+            platforms: |
+              - name: arduino:samd
+          - fqbn: arduino:samd:mkrnb1500
+            platforms: |
+              - name: arduino:samd
+          - fqbn: arduino:samd:mkrvidor4000
+            platforms: |
+              - name: arduino:samd
+          - fqbn: arduino:mbed_portenta:envie_m7
+            platforms: |
+              - name: arduino:mbed_portenta
+
+    steps:
+      - name: Checkout repository
+        uses: actions/checkout@v2
 
-   strategy:
-     matrix:
-       fqbn: [
-         "arduino:avr:uno",
-         "arduino:samd:mkrzero"
-       ]
+      - 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
 
-   steps:
-     - uses: actions/checkout@v1
-       with:
-         fetch-depth: 1
-     - uses: arduino/actions/libraries/compile-examples@master
-       with:
-         fqbn: ${{ matrix.fqbn }}

README.adoc

@@ -1,13 +1,16 @@
-= RS485 Library for Arduino =
+:repository-owner: arduino-libraries
+:repository-name: ArduinoRS485
 
-image:https://github.com/arduino-libraries/ArduinoRS485/workflows/Compile%20Examples/badge.svg["Compile Examples Status", link="https://github.com/arduino-libraries/ArduinoRS485/actions?workflow=Compile+Examples"] image:https://github.com/arduino-libraries/ArduinoRS485/workflows/Spell%20Check/badge.svg["Spell Check Status", link="https://github.com/arduino-libraries/ArduinoRS485/actions?workflow=Spell+Check"]
+= {repository-name} Library for Arduino =
+
+image:https://github.com/{repository-owner}/{repository-name}/actions/workflows/compile-examples.yml/badge.svg["Compile Examples status", link="https://github.com/{repository-owner}/{repository-name}/actions/workflows/compile-examples.yml"]
 
 Enables sending and receiving data using the RS485 standard with RS485 shields, like the MKR 485 Shield.
 
 This library supports the Maxim Integrated MAX3157 and equivalent chipsets.
 
 For more information about this library please visit us at
-http://www.arduino.cc/en/Reference/ArduinoRS485
+http://www.arduino.cc/en/Reference/{repository-name}
 
 == License ==