WiFi Shield examples: added the firmware version check

libraries/WiFi/examples/ConnectNoEncryption/ConnectNoEncryption.ino

@@ -12,6 +12,7 @@
  modified 31 May 2012
  by Tom Igoe
  */
+#include <SPI.h>
 #include <WiFi.h>
 
 char ssid[] = "yourNetwork";     // the name of your network
@@ -31,6 +32,10 @@ void setup() {
     while (true);
   }
 
+  String fv = WiFi.firmwareVersion();
+  if ( fv != "1.1.0" )
+    Serial.println("Please upgrade the firmware");
+
   // attempt to connect to Wifi network:
   while ( status != WL_CONNECTED) {
     Serial.print("Attempting to connect to open SSID: ");

libraries/WiFi/examples/ConnectWithWEP/ConnectWithWEP.ino

@@ -22,6 +22,7 @@
  modified 31 May 2012
  by Tom Igoe
  */
+#include <SPI.h>
 #include <WiFi.h>
 
 char ssid[] = "yourNetwork";                     // your network SSID (name)
@@ -43,6 +44,10 @@ void setup() {
     while (true);
   }
 
+  String fv = WiFi.firmwareVersion();
+  if ( fv != "1.1.0" )
+    Serial.println("Please upgrade the firmware");
+
   // attempt to connect to Wifi network:
   while ( status != WL_CONNECTED) {
     Serial.print("Attempting to connect to WEP network, SSID: ");

libraries/WiFi/examples/ConnectWithWPA/ConnectWithWPA.ino

@@ -12,6 +12,7 @@
  modified 31 May 2012
  by Tom Igoe
  */
+#include <SPI.h>
 #include <WiFi.h>
 
 char ssid[] = "yourNetwork";     //  your network SSID (name)
@@ -32,6 +33,10 @@ void setup() {
     while (true);
   }
 
+  String fv = WiFi.firmwareVersion();
+  if ( fv != "1.1.0" )
+    Serial.println("Please upgrade the firmware");
+
   // attempt to connect to Wifi network:
   while ( status != WL_CONNECTED) {
     Serial.print("Attempting to connect to WPA SSID: ");

libraries/WiFi/examples/ScanNetworks/ScanNetworks.ino

@@ -32,6 +32,10 @@ void setup() {
     while (true);
   }
 
+  String fv = WiFi.firmwareVersion();
+  if ( fv != "1.1.0" )
+    Serial.println("Please upgrade the firmware");
+
   // Print WiFi MAC address:
   printMacAddress();
 

libraries/WiFi/examples/SimpleWebServerWiFi/SimpleWebServerWiFi.ino

@@ -40,6 +40,10 @@ void setup() {
     while (true);       // don't continue
   }
 
+  String fv = WiFi.firmwareVersion();
+  if ( fv != "1.1.0" )
+    Serial.println("Please upgrade the firmware");
+
   // attempt to connect to Wifi network:
   while ( status != WL_CONNECTED) {
     Serial.print("Attempting to connect to Network named: ");

libraries/WiFi/examples/WiFiChatServer/WiFiChatServer.ino

@@ -47,6 +47,10 @@ void setup() {
     while (true);
   }
 
+  String fv = WiFi.firmwareVersion();
+  if ( fv != "1.1.0" )
+    Serial.println("Please upgrade the firmware");
+
   // attempt to connect to Wifi network:
   while ( status != WL_CONNECTED) {
     Serial.print("Attempting to connect to SSID: ");
@@ -57,6 +61,7 @@ void setup() {
     // wait 10 seconds for connection:
     delay(10000);
   }
+
   // start the server:
   server.begin();
   // you're connected now, so print out the status:

libraries/WiFi/examples/WiFiUdpNtpClient/WiFiUdpNtpClient.ino

@@ -51,6 +51,9 @@ void setup()
     while (true);
   }
 
+  String fv = WiFi.firmwareVersion();
+  if ( fv != "1.1.0" )
+    Serial.println("Please upgrade the firmware");
 
   // attempt to connect to Wifi network:
   while ( status != WL_CONNECTED) {

libraries/WiFi/examples/WiFiUdpSendReceiveString/WiFiUdpSendReceiveString.ino

@@ -44,6 +44,10 @@ void setup() {
     while (true);
   }
 
+  String fv = WiFi.firmwareVersion();
+  if ( fv != "1.1.0" )
+    Serial.println("Please upgrade the firmware");
+
   // attempt to connect to Wifi network:
   while ( status != WL_CONNECTED) {
     Serial.print("Attempting to connect to SSID: ");

libraries/WiFi/examples/WiFiWebClient/WiFiWebClient.ino

@@ -53,6 +53,10 @@ void setup() {
     while (true);
   }
 
+  String fv = WiFi.firmwareVersion();
+  if ( fv != "1.1.0" )
+    Serial.println("Please upgrade the firmware");
+
   // attempt to connect to Wifi network:
   while (status != WL_CONNECTED) {
     Serial.print("Attempting to connect to SSID: ");

libraries/WiFi/examples/WiFiWebClientRepeating/WiFiWebClientRepeating.ino

@@ -1,15 +1,17 @@
 /*
-  Repeating Wifi Web client
+  Repeating Wifi Web Client
 
  This sketch connects to a a web server and makes a request
  using an Arduino Wifi shield.
 
  Circuit:
- * Wifi shield attached to pins 10, 11, 12, 13
+ * WiFi shield attached to pins SPI pins and pin 7
 
  created 23 April 2012
- modifide 31 May 2012
+ modified 31 May 2012
  by Tom Igoe
+ modified 13 Jan 2014
+ by Federico Vanzati
 
  http://arduino.cc/en/Tutorial/WifiWebClientRepeating
  This code is in the public domain.
@@ -32,8 +34,7 @@ char server[] = "www.arduino.cc";
 //IPAddress server(64,131,82,241);
 
 unsigned long lastConnectionTime = 0;            // last time you connected to the server, in milliseconds
-boolean lastConnected = false;                  // state of the connection last time through the main loop
-const unsigned long postingInterval = 10*1000;  // delay between updates, in milliseconds
+const unsigned long postingInterval = 10L * 1000L; // delay between updates, in milliseconds
 
 void setup() {
   //Initialize serial and wait for port to open:
@@ -49,6 +50,10 @@ void setup() {
     while (true);
   }
 
+  String fv = WiFi.firmwareVersion();
+  if ( fv != "1.1.0" )
+    Serial.println("Please upgrade the firmware");
+
   // attempt to connect to Wifi network:
   while ( status != WL_CONNECTED) {
     Serial.print("Attempting to connect to SSID: ");
@@ -72,33 +77,27 @@ void loop() {
     Serial.write(c);
   }
 
-  // if there's no net connection, but there was one last time
-  // through the loop, then stop the client:
-  if (!client.connected() && lastConnected) {
-    Serial.println();
-    Serial.println("disconnecting.");
-    client.stop();
-  }
-
-  // if you're not connected, and ten seconds have passed since
-  // your last connection, then connect again and send data:
-  if(!client.connected() && (millis() - lastConnectionTime > postingInterval)) {
+  // if ten seconds have passed since your last connection,
+  // then connect again and send data:
+  if (millis() - lastConnectionTime > postingInterval) {
     httpRequest();
   }
-  // store the state of the connection for next time through
-  // the loop:
-  lastConnected = client.connected();
+
 }
 
 // this method makes a HTTP connection to the server:
 void httpRequest() {
+  // close any connection before send a new request.
+  // This will free the socket on the WiFi shield
+  client.stop();
+
   // if there's a successful connection:
   if (client.connect(server, 80)) {
     Serial.println("connecting...");
     // send the HTTP PUT request:
     client.println("GET /latest.txt HTTP/1.1");
     client.println("Host: www.arduino.cc");
-    client.println("User-Agent: arduino-ethernet");
+    client.println("User-Agent: ArduinoWiFi/1.1");
     client.println("Connection: close");
     client.println();
 
@@ -108,8 +107,6 @@ void httpRequest() {
   else {
     // if you couldn't make a connection:
     Serial.println("connection failed");
-    Serial.println("disconnecting.");
-    client.stop();
   }
 }
 
@@ -132,7 +129,3 @@ void printWifiStatus() {
 }
 
 
-
-
-
-

libraries/WiFi/examples/WiFiWebServer/WiFiWebServer.ino

@@ -44,6 +44,10 @@ void setup() {
     while (true);
   }
 
+  String fv = WiFi.firmwareVersion();
+  if ( fv != "1.1.0" )
+    Serial.println("Please upgrade the firmware");
+
   // attempt to connect to Wifi network:
   while ( status != WL_CONNECTED) {
     Serial.print("Attempting to connect to SSID: ");

libraries/WiFi/examples/WiFiXivelyClient/WiFiXivelyClient.ino

@@ -61,6 +61,10 @@ void setup() {
     while (true);
   }
 
+  String fv = WiFi.firmwareVersion();
+  if ( fv != "1.1.0" )
+    Serial.println("Please upgrade the firmware");
+
   // attempt to connect to Wifi network:
   while ( status != WL_CONNECTED) {
     Serial.print("Attempting to connect to SSID: ");

libraries/WiFi/examples/WiFiXivelyClientString/WiFiXivelyClientString.ino

@@ -66,6 +66,10 @@ void setup() {
     while (true);
   }
 
+  String fv = WiFi.firmwareVersion();
+  if ( fv != "1.1.0" )
+    Serial.println("Please upgrade the firmware");
+
   // attempt to connect to Wifi network:
   while ( status != WL_CONNECTED) {
     Serial.print("Attempting to connect to SSID: ");