add multi state button example

examples/binary-sensor/binary-sensor.ino

@@ -24,7 +24,6 @@ void setup() {
     device.setName("Arduino");
     device.setSoftwareVersion("1.0.0");
 
-    // please change IP address to yours
     mqtt.begin(BROKER_ADDR);
 }
 

examples/led-switch/led-switch.ino

@@ -30,7 +30,6 @@ void setup() {
     // handle switch state
     led.onStateChanged(onSwitchStateChanged);
 
-    // please change IP address to yours
     mqtt.begin(BROKER_ADDR);
 }
 

examples/mqtt-with-credentials/mqtt-with-credentials.ino

@@ -32,7 +32,6 @@ void setup() {
     // handle switch state
     led.onStateChanged(onSwitchStateChanged);
 
-    // please change IP address to yours
     mqtt.begin(BROKER_ADDR, BROKER_USERNAME, BROKER_PASSWORD);
 }
 

examples/multi-state-button/multi-state-button.ino

@@ -0,0 +1,54 @@
+#include <Ethernet.h>
+#include <ArduinoHA.h>
+
+// This example uses JC Button library
+// https://github.com/JChristensen/JC_Button
+#include <JC_Button.h>
+
+#define BUTTON_PIN      9
+#define BUTTON_NAME     "mybtn"
+#define BROKER_ADDR     IPAddress(192,168,0,17)
+
+byte mac[] = {0x00, 0x10, 0xFA, 0x6E, 0x38, 0x4A};
+
+EthernetClient client;
+HADevice device(mac, sizeof(mac));
+HAMqtt mqtt(client, device);
+HATriggers triggers(mqtt);
+Button btn(BUTTON_PIN);
+bool holdingBtn = false;
+
+void setup() {
+    // you don't need to verify return status
+    Ethernet.begin(mac);
+
+    Serial.println(Ethernet.localIP());
+
+    // set device's details (optional)
+    device.setName("Arduino");
+    device.setSoftwareVersion("1.0.0");
+
+    // setup triggers
+    triggers.add("button_short_press", BUTTON_NAME);
+    triggers.add("button_long_press", BUTTON_NAME);
+    btn.begin();
+
+    mqtt.begin(BROKER_ADDR);
+}
+
+void loop() {
+    Ethernet.maintain();
+    mqtt.loop();
+    btn.read();
+
+    if (btn.pressedFor(3000) && !holdingBtn) {
+        triggers.trigger("button_long_press", BUTTON_NAME);
+        holdingBtn = true;
+    } else if (btn.wasReleased()) {
+        if (holdingBtn) {
+            holdingBtn = false;
+        } else {
+            triggers.trigger("button_short_press", BUTTON_NAME);
+        }
+    }
+}

examples/sensor/sensor.ino

@@ -35,7 +35,6 @@ void setup() {
     // you can set custom units for the sensor (optional)
     temp.setUnitOfMeasurement("°C");
 
-    // please change IP address to yours
     mqtt.begin(BROKER_ADDR);
 }