added MKR NB 1500 example

Author: 256dpi

.github/workflows/test.yml

@@ -16,6 +16,8 @@ jobs:
           board: "arduino:samd:mkrgsm1400"
         - example: "ArduinoMKRGSM1400Secure"
           board: "arduino:samd:mkrgsm1400"
+        - example: "ArduinoMKRNB1500"
+          board: "arduino:samd:mkrnb1500"
         - example: "ArduinoWiFi101Secure"
           board: "arduino:avr:uno"
         - example: "ArduinoWiFiShield"
@@ -60,6 +62,10 @@ jobs:
             arduino --install-boards arduino:samd;
             arduino --install-library MKRGSM;
           fi
+          if [[ "$BOARD" =~ "arduino:samd:mkrnb1500" ]]; then
+            arduino --install-boards arduino:samd;
+            arduino --install-library MKRNB;
+          fi
           arduino --install-library WiFi101
           mkdir -p ~/Arduino/libraries
           ln -s $PWD ~/Arduino/libraries/.

CMakeLists.txt

@@ -5,9 +5,10 @@ project(arduino-mqtt)
 
 include_directories(
         /Applications/Arduino.app/Contents/Java/hardware/arduino/avr/cores/arduino
-        /Users/256dpi/Development/Arduino/libraries/Ethernet/src
-        /Users/256dpi/Development/Arduino/libraries/WiFi101/src
-        /Users/256dpi/Development/Arduino/libraries/MKRGSM/src
+        /Users/256dpi/Documents/Arduino/libraries/Ethernet/src
+        /Users/256dpi/Documents/Arduino/libraries/WiFi101/src
+        /Users/256dpi/Documents/Arduino/libraries/MKRGSM/src
+        /Users/256dpi/Documents/Arduino/libraries/MKRNB/src
         /Applications/Arduino.app/Contents/Java/libraries/Bridge/src
         /Users/256dpi/Library/Arduino15/packages/esp8266/hardware/esp8266/2.3.0/libraries/ESP8266WiFi/src
         /Users/256dpi/Library/Arduino15/packages/esp32/libraries/WiFi/src
@@ -24,6 +25,7 @@ set(SOURCE_FILES
     examples/ArduinoEthernetShield/ArduinoEthernetShield.ino
     examples/ArduinoMKRGSM1400/ArduinoMKRGSM1400.ino
         examples/ArduinoMKRGSM1400Secure/ArduinoMKRGSM1400Secure.ino
+    examples/ArduinoMKRNB1500/ArduinoMKRNB1500.ino
     examples/ArduinoWiFi101/ArduinoWiFi101.ino
         examples/ArduinoWiFi101Secure/ArduinoWiFi101Secure.ino
     examples/ArduinoWiFiShield/ArduinoWiFiShield.ino

README.md

@@ -19,6 +19,7 @@ The following examples show how you can use the library with various Arduino com
 - [Adafruit HUZZAH ESP8266](https://github.com/256dpi/arduino-mqtt/blob/master/examples/AdafruitHuzzahESP8266/AdafruitHuzzahESP8266.ino) ([Secure](https://github.com/256dpi/arduino-mqtt/blob/master/examples/AdafruitHuzzahESP8266Secure/AdafruitHuzzahESP8266Secure.ino))
 - [Arduino/Genuino WiFi101 Shield](https://github.com/256dpi/arduino-mqtt/blob/master/examples/ArduinoWiFi101/ArduinoWiFi101.ino) ([Secure](https://github.com/256dpi/arduino-mqtt/blob/master/examples/ArduinoWiFi101Secure/ArduinoWiFi101Secure.ino))
 - [Arduino MKR GSM 1400](https://github.com/256dpi/arduino-mqtt/blob/master/examples/ArduinoMKRGSM1400/ArduinoMKRGSM1400.ino) ([Secure](https://github.com/256dpi/arduino-mqtt/blob/master/examples/ArduinoMKRGSM1400Secure/ArduinoMKRGSM1400Secure.ino))
+- [Arduino MKR NB 1500](https://github.com/256dpi/arduino-mqtt/blob/master/examples/ArduinoMKRNB1500/ArduinoMKRNB1500.ino)
 - [ESP32 Development Board](https://github.com/256dpi/arduino-mqtt/blob/master/examples/ESP32DevelopmentBoard/ESP32DevelopmentBoard.ino) ([Secure](https://github.com/256dpi/arduino-mqtt/blob/master/examples/ESP32DevelopmentBoardSecure/ESP32DevelopmentBoardSecure.ino))
 
 Other shields and boards should also work if they provide a [Client](https://www.arduino.cc/en/Reference/ClientConstructor) based network implementation.

examples/ArduinoMKRNB1500/ArduinoMKRNB1500.ino

@@ -0,0 +1,83 @@
+// This example uses an Arduino MKR NB 1500 board
+// to connect to shiftr.io.
+//
+// You can check on your device after a successful
+// connection here: https://www.shiftr.io/try.
+//
+// by Max Kriegleder
+// https://github.com/256dpi/arduino-mqtt
+
+#include <MKRNB.h>
+#include <MQTT.h>
+
+const char pin[]      = "";
+const char apn[]      = "apn";
+const char login[]    = "login";
+const char password[] = "password";
+
+NBClient net;
+NB nbAccess;
+MQTTClient client;
+
+unsigned long lastMillis = 0;
+
+void connect() {
+  // connection state
+  bool connected = false;
+
+  Serial.print("connecting to cellular network ...");
+
+  while (!connected) {
+    if ((nbAccess.begin(pin, apn, login, password) == NB_READY)) {
+      connected = true;
+    } else {
+      Serial.print(".");
+      delay(1000);
+    }
+  }
+
+  Serial.print("\nconnecting...");
+  while (!client.connect("arduino", "public", "public")) {
+    Serial.print(".");
+    delay(1000);
+  }
+
+  Serial.println("\nconnected!");
+
+  client.subscribe("/hello");
+  // client.unsubscribe("/hello");
+}
+
+void messageReceived(String &topic, String &payload) {
+  Serial.println("incoming: " + topic + " - " + payload);
+
+  // Note: Do not use the client in the callback to publish, subscribe or
+  // unsubscribe as it may cause deadlocks when other things arrive while
+  // sending and receiving acknowledgments. Instead, change a global variable,
+  // or push to a queue and handle it in the loop after calling `client.loop()`.
+}
+
+void setup() {
+  Serial.begin(115200);
+
+  // Note: Local domain names (e.g. "Computer.local" on OSX) are not supported
+  // by Arduino. You need to set the IP address directly.
+  client.begin("public.cloud.shiftr.io", net);
+  client.onMessage(messageReceived);
+
+  connect();
+}
+
+void loop() {
+  client.loop();
+
+  if (!client.connected()) {
+    connect();
+  }
+
+  // publish a message roughly every second.
+  if (millis() - lastMillis > 1000) {
+    lastMillis = millis();
+    client.publish("/hello", "world");
+  }  
+}