blynkkk#159 one more example

examples/More/ServerAsDataStorage/ServerAsDataStorage.ino

@@ -0,0 +1,70 @@
+/**************************************************************
+ * Blynk is a platform with iOS and Android apps to control
+ * Arduino, Raspberry Pi and the likes over the Internet.
+ * You can easily build graphic interfaces for all your
+ * projects by simply dragging and dropping widgets.
+ *
+ *   Downloads, docs, tutorials: http://www.blynk.cc
+ *   Blynk community:            http://community.blynk.cc
+ *   Social networks:            http://www.fb.com/blynkapp
+ *                               http://twitter.com/blynk_app
+ *
+ * Blynk library is licensed under MIT license
+ * This example code is in public domain.
+ *
+ **************************************************************
+ * This example shows you how you can use server as storage for 
+ * your data like EEPROM
+ *
+ * Project setup in the Blynk app (not necessary):
+ *   Value display on V0 in PUSH mode.
+ *
+ **************************************************************/
+
+#define BLYNK_PRINT Serial
+#include <SPI.h>
+#include <Ethernet.h>
+#include <BlynkSimpleEthernet.h>
+#include <SimpleTimer.h>
+
+// You should get Auth Token in the Blynk App.
+// Go to the Project Settings (nut icon).
+char auth[] = "YourAuthToken";
+
+SimpleTimer timer;
+int uptimeCounter;
+
+void increment() {
+  uptimeCounter++;
+  Blynk.virtualWrite(V0, uptimeCounter);  
+}
+
+void setup()
+{
+  Serial.begin(9600); // See the connection status in Serial Monitor
+  Blynk.begin(auth);
+
+  while (Blynk.connect() == false) {
+    // Wait until connected
+  }
+
+  timer.setInterval(1000L, increment);
+}
+
+void loop()
+{
+  Blynk.run();
+  timer.run();
+}
+
+// This function will run every time Blynk connection is established
+BLYNK_CONNECTED() {
+  //get data stored in virtual pin V0 from server
+  Blynk.syncVirtual(V0);
+}
+
+// restoring counter from server
+BLYNK_WRITE(V0)
+{
+  uptimeCounter = param.asInt();
+}