examples: add room example

.travis.yml

@@ -29,5 +29,6 @@ script:
 - ${ARDUINO_ROOT}/arduino-builder -verbose  -hardware ${ARDUINO_ROOT}/hardware/ -tools ${ARDUINO_ESP8266_ROOT}/tools/ -tools ${ARDUINO_ROOT}/tools-builder/ -fqbn esp8266com:esp8266:nodemcuv2 -libraries ${ARDUINO_HOME}/libraries/ -prefs build.flash_ld=${ARDUINO_ESP8266_ROOT}/tools/sdk/ld/eagle.flash.4m.ld -prefs build.flash_freq=40 -prefs build.flash_size=4M examples/FirebaseSerialHost_ESP8266/FirebaseSerialHost_ESP8266.ino
 - ${ARDUINO_ROOT}/arduino-builder -verbose  -hardware ${ARDUINO_ROOT}/hardware/ -tools ${ARDUINO_ESP8266_ROOT}/tools/ -tools ${ARDUINO_ROOT}/tools-builder/ -fqbn esp8266com:esp8266:nodemcuv2 -libraries ${ARDUINO_HOME}/libraries/ -prefs build.flash_ld=${ARDUINO_ESP8266_ROOT}/tools/sdk/ld/eagle.flash.4m.ld -prefs build.flash_freq=40 -prefs build.flash_size=4M examples/Firebase_ESP8266_LEDs/Firebase_ESP8266_Neopixel/Firebase_ESP8266_Neopixel.ino
 - ${ARDUINO_ROOT}/arduino-builder -verbose  -hardware ${ARDUINO_ROOT}/hardware/ -tools ${ARDUINO_ESP8266_ROOT}/tools/ -tools ${ARDUINO_ROOT}/tools-builder/ -fqbn esp8266com:esp8266:nodemcuv2 -libraries ${ARDUINO_HOME}/libraries/ -prefs build.flash_ld=${ARDUINO_ESP8266_ROOT}/tools/sdk/ld/eagle.flash.4m.ld -prefs build.flash_freq=40 -prefs build.flash_size=4M examples/FirebaseStream_ESP8266/FirebaseStream_ESP8266.ino
+- ${ARDUINO_ROOT}/arduino-builder -verbose  -hardware ${ARDUINO_ROOT}/hardware/ -tools ${ARDUINO_ESP8266_ROOT}/tools/ -tools ${ARDUINO_ROOT}/tools-builder/ -fqbn esp8266com:esp8266:nodemcuv2 -libraries ${ARDUINO_HOME}/libraries/ -prefs build.flash_ld=${ARDUINO_ESP8266_ROOT}/tools/sdk/ld/eagle.flash.4m.ld -prefs build.flash_freq=40 -prefs build.flash_size=4M examples/FirebaseRoom_ESP8266/FirebaseRoom_ESP8266.ino
 - ( cd test && make check )
 - ( cd test/modem/ && make test )

examples/FirebaseRoom_ESP8266/FirebaseRoom_ESP8266.ino

@@ -0,0 +1,72 @@
+//
+// Copyright 2015 Google Inc.
+//
+// Licensed under the Apache License, Version 2.0 (the "License");
+// you may not use this file except in compliance with the License.
+// You may obtain a copy of the License at
+//
+//     http://www.apache.org/licenses/LICENSE-2.0
+//
+// Unless required by applicable law or agreed to in writing, software
+// distributed under the License is distributed on an "AS IS" BASIS,
+// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+// See the License for the specific language governing permissions and
+// limitations under the License.
+//
+
+// FirebaseRoom_ESP8266 is a sample that demo using multiple sensors
+// and actuactor with the FirebaseArduino library.
+
+#include <ESP8266WiFi.h>
+#include <FirebaseArduino.h>
+
+void setup() {
+  Serial.begin(9600);
+
+  // power grove connector
+  pinMode(15, OUTPUT);
+  digitalWrite(15, HIGH);
+
+  // pin 5 is connected to a vibrator motor.
+  pinMode(5, OUTPUT);
+  // pin A0 is connected to a light sensor.
+  pinMode(A0, INPUT);
+  // pin 12 is connected to a red LED.
+  pinMode(12, OUTPUT);
+  // pin 14 is connected to a push button.
+  pinMode(14, INPUT);
+  // pin 13 is connected to a fan.
+  pinMode(13, OUTPUT);
+
+  // connect to wifi.
+  WiFi.begin("SSID", "PASSWORD");
+  Serial.print("connecting");
+  while (WiFi.status() != WL_CONNECTED) {
+    Serial.print(".");
+    delay(500);
+  }
+  Serial.println();
+  Serial.print("connected: ");
+  Serial.println(WiFi.localIP());
+
+  Firebase.begin("example.firebaseio.com", "secret_or_token");
+}
+
+int button = 0;
+float light = 0.0;
+
+void loop() {
+  digitalWrite(12, (int)Firebase.get("redlight"));
+  digitalWrite(13, (int)Firebase.get("cooldown"));
+  digitalWrite(5, (int)Firebase.get("brrr"));
+  int newButton = digitalRead(14);
+  if (newButton != button) {
+    button = newButton;
+    Firebase.set("pushbutton", button);
+  }
+  float newLight = analogRead(A0);
+  if (abs(newLight - light) > 100) {
+    light = newLight;
+    Firebase.set("sunlight", light);
+  }
+}