Adding all WiFi enabled boards as CI build target.

.github/workflows/compile-examples.yml

@@ -3,19 +3,32 @@ on: [push, pull_request]
 jobs:
  build:
    runs-on: ubuntu-latest
+   env:
+     LIBRARIES: WiFi101 WiFiNINA
 
    strategy:
      matrix:
        fqbn: [
+         "arduino:samd:mkr1000",
          "arduino:samd:mkrwifi1010",
-         "arduino:megaavr:uno2018"
+         "arduino:samd:nano_33_iot",
+         "arduino:megaavr:uno2018",
+         '"esp8266:esp8266:huzzah" "https://arduino.esp8266.com/stable/package_esp8266com_index.json"'
        ]
 
    steps:
      - uses: actions/checkout@v1
        with:
          fetch-depth: 1
-     - uses: arduino/actions/libraries/compile-examples@master
+     - name: compile-examples for official Arduino boards
+       if: startsWith(matrix.fqbn, '"esp8266:esp8266') != true
+       uses: arduino/actions/libraries/compile-examples@master
        with:
          fqbn: ${{ matrix.fqbn }}
-         libraries: WiFiNINA
+         libraries: ${{ env.LIBRARIES }}
+     - name: compile-examples for ESP8266 boards
+       if: startsWith(matrix.fqbn, '"esp8266:esp8266')
+       uses: arduino/actions/libraries/compile-examples@master
+       with:
+         fqbn: ${{ matrix.fqbn }}
+         entrypoint: /github/workspace/.github/workflows/install-python-wrapper.sh

.github/workflows/install-python-wrapper.sh

@@ -0,0 +1,9 @@
+#!/bin/bash -x
+# This script is used as an alternate entrypoint to allow installing Python 3 (a dependency of
+# the ESP8266 core for Arduino) in the Docker container used by the compile-examples action
+
+# Install Python 3
+apt-get update && apt-get install -y python3
+
+# Run the standard entrypoint script
+/entrypoint.sh "$@"

examples/WiFiAdvancedCallback/WiFiAdvancedCallback.ino

@@ -16,7 +16,13 @@
 */
 
 #include <ArduinoMqttClient.h>
-#include <WiFiNINA.h> // for MKR1000 change to: #include <WiFi101.h>
+#if defined(ARDUINO_SAMD_MKRWIFI1010) || defined(ARDUINO_SAMD_NANO_33_IOT) || defined(ARDUINO_AVR_UNO_WIFI_REV2)
+  #include <WiFiNINA.h>
+#elif defined(ARDUINO_SAMD_MKR1000)
+  #include <WiFi101.h>
+#elif defined(ARDUINO_ESP8266_ESP12)
+  #include <ESP8266WiFi.h>
+#endif
 
 #include "arduino_secrets.h"
 ///////please enter your sensitive data in the Secret tab/arduino_secrets.h

examples/WiFiEcho/WiFiEcho.ino

@@ -12,7 +12,13 @@
 */
 
 #include <ArduinoMqttClient.h>
-#include <WiFiNINA.h> // for MKR1000 change to: #include <WiFi101.h>
+#if defined(ARDUINO_SAMD_MKRWIFI1010) || defined(ARDUINO_SAMD_NANO_33_IOT) || defined(ARDUINO_AVR_UNO_WIFI_REV2)
+  #include <WiFiNINA.h>
+#elif defined(ARDUINO_SAMD_MKR1000)
+  #include <WiFi101.h>
+#elif defined(ARDUINO_ESP8266_ESP12)
+  #include <ESP8266WiFi.h>
+#endif
 
 #include "arduino_secrets.h"
 ///////please enter your sensitive data in the Secret tab/arduino_secrets.h

examples/WiFiEchoCallback/WiFiEchoCallback.ino

@@ -13,7 +13,13 @@
 */
 
 #include <ArduinoMqttClient.h>
-#include <WiFiNINA.h> // for MKR1000 change to: #include <WiFi101.h>
+#if defined(ARDUINO_SAMD_MKRWIFI1010) || defined(ARDUINO_SAMD_NANO_33_IOT) || defined(ARDUINO_AVR_UNO_WIFI_REV2)
+  #include <WiFiNINA.h>
+#elif defined(ARDUINO_SAMD_MKR1000)
+  #include <WiFi101.h>
+#elif defined(ARDUINO_ESP8266_ESP12)
+  #include <ESP8266WiFi.h>
+#endif
 
 #include "arduino_secrets.h"
 ///////please enter your sensitive data in the Secret tab/arduino_secrets.h

examples/WiFiSimpleReceive/WiFiSimpleReceive.ino

@@ -11,7 +11,13 @@
 */
 
 #include <ArduinoMqttClient.h>
-#include <WiFiNINA.h> // for MKR1000 change to: #include <WiFi101.h>
+#if defined(ARDUINO_SAMD_MKRWIFI1010) || defined(ARDUINO_SAMD_NANO_33_IOT) || defined(ARDUINO_AVR_UNO_WIFI_REV2)
+  #include <WiFiNINA.h>
+#elif defined(ARDUINO_SAMD_MKR1000)
+  #include <WiFi101.h>
+#elif defined(ARDUINO_ESP8266_ESP12)
+  #include <ESP8266WiFi.h>
+#endif
 
 #include "arduino_secrets.h"
 ///////please enter your sensitive data in the Secret tab/arduino_secrets.h

examples/WiFiSimpleReceiveCallback/WiFiSimpleReceiveCallback.ino

@@ -12,7 +12,13 @@
 */
 
 #include <ArduinoMqttClient.h>
-#include <WiFiNINA.h> // for MKR1000 change to: #include <WiFi101.h>
+#if defined(ARDUINO_SAMD_MKRWIFI1010) || defined(ARDUINO_SAMD_NANO_33_IOT) || defined(ARDUINO_AVR_UNO_WIFI_REV2)
+  #include <WiFiNINA.h>
+#elif defined(ARDUINO_SAMD_MKR1000)
+  #include <WiFi101.h>
+#elif defined(ARDUINO_ESP8266_ESP12)
+  #include <ESP8266WiFi.h>
+#endif
 
 #include "arduino_secrets.h"
 ///////please enter your sensitive data in the Secret tab/arduino_secrets.h

examples/WiFiSimpleSender/WiFiSimpleSender.ino

@@ -11,7 +11,13 @@
 */
 
 #include <ArduinoMqttClient.h>
-#include <WiFiNINA.h> // for MKR1000 change to: #include <WiFi101.h>
+#if defined(ARDUINO_SAMD_MKRWIFI1010) || defined(ARDUINO_SAMD_NANO_33_IOT) || defined(ARDUINO_AVR_UNO_WIFI_REV2)
+  #include <WiFiNINA.h>
+#elif defined(ARDUINO_SAMD_MKR1000)
+  #include <WiFi101.h>
+#elif defined(ARDUINO_ESP8266_ESP12)
+  #include <ESP8266WiFi.h>
+#endif
 
 #include "arduino_secrets.h"
 ///////please enter your sensitive data in the Secret tab/arduino_secrets.h