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libraries/WiFi/examples/WiFiUdpSendReceiveString/WiFiUdpSendReceiveString.ino

@@ -1,13 +1,13 @@
 
 /*
   WiFi UDP Send and Receive String
- 
+
  This sketch wait an UDP packet on localPort using a WiFi shield.
  When a packet is received an Acknowledge packet is sent to the client on port remotePort
- 
+
  Circuit:
  * WiFi shield attached
- 
+
  created 30 December 2012
  by dlf (Metodo2 srl)
 
@@ -19,7 +19,7 @@
 #include <WiFiUdp.h>
 
 int status = WL_IDLE_STATUS;
-char ssid[] = "yourNetwork"; //  your network SSID (name) 
+char ssid[] = "yourNetwork"; //  your network SSID (name)
 char pass[] = "secretPassword";    // your network password (use for WPA, or use as key for WEP)
 int keyIndex = 0;            // your network key Index number (needed only for WEP)
 
@@ -32,46 +32,46 @@ WiFiUDP Udp;
 
 void setup() {
   //Initialize serial and wait for port to open:
-  Serial.begin(9600); 
+  Serial.begin(9600);
   while (!Serial) {
     ; // wait for serial port to connect. Needed for Leonardo only
   }
-  
+
   // check for the presence of the shield:
   if (WiFi.status() == WL_NO_SHIELD) {
-    Serial.println("WiFi shield not present"); 
+    Serial.println("WiFi shield not present");
     // don't continue:
-    while(true);
-  } 
+    while (true);
+  }
 
   String fv = WiFi.firmwareVersion();
-  if( fv != "1.1.0" )
+  if ( fv != "1.1.0" )
     Serial.println("Please upgrade the firmware");
-  
+
   // attempt to connect to Wifi network:
-  while ( status != WL_CONNECTED) { 
+  while ( status != WL_CONNECTED) {
     Serial.print("Attempting to connect to SSID: ");
     Serial.println(ssid);
-    // Connect to WPA/WPA2 network. Change this line if using open or WEP network:    
+    // Connect to WPA/WPA2 network. Change this line if using open or WEP network:
     status = WiFi.begin(ssid);
-  
+
     // wait 10 seconds for connection:
     delay(10000);
-  } 
+  }
   Serial.println("Connected to wifi");
   printWifiStatus();
-  
+
   Serial.println("\nStarting connection to server...");
   // if you get a connection, report back via serial:
-  Udp.begin(localPort);  
+  Udp.begin(localPort);
 }
 
 void loop() {
-    
+
   // if there's data available, read a packet
   int packetSize = Udp.parsePacket();
-  if(packetSize)
-  {   
+  if (packetSize)
+  {
     Serial.print("Received packet of size ");
     Serial.println(packetSize);
     Serial.print("From ");
@@ -81,16 +81,16 @@ void loop() {
     Serial.println(Udp.remotePort());
 
     // read the packet into packetBufffer
-    int len = Udp.read(packetBuffer,255);
-    if (len >0) packetBuffer[len]=0;
+    int len = Udp.read(packetBuffer, 255);
+    if (len > 0) packetBuffer[len] = 0;
     Serial.println("Contents:");
     Serial.println(packetBuffer);
-    
+
     // send a reply, to the IP address and port that sent us the packet we received
     Udp.beginPacket(Udp.remoteIP(), Udp.remotePort());
     Udp.write(ReplyBuffer);
     Udp.endPacket();
-   }
+  }
 }