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libraries/WiFi/examples/ConnectNoEncryption/ConnectNoEncryption.ino

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+/*
+
+ This example connects to an unencrypted Wifi network.
+ Then it prints the  MAC address of the Wifi shield,
+ the IP address obtained, and other network details.
+
+ Circuit:
+ * WiFi shield attached
+
+ created 13 July 2010
+ by dlf (Metodo2 srl)
+ modified 31 May 2012
+ by Tom Igoe
+ */
+#include <SPI.h>
+#include <WiFi.h>
+
+char ssid[] = "yourNetwork";     // the name of your network
+int status = WL_IDLE_STATUS;     // the Wifi radio's status
+
+void setup() {
+  //Initialize serial and wait for port to open:
+  Serial.begin(9600);
+  while (!Serial) {
+    ; // wait for serial port to connect. Needed for native USB port only
+  }
+
+  // check for the presence of the shield:
+  if (WiFi.status() == WL_NO_SHIELD) {
+    Serial.println("WiFi shield not present");
+    // don't continue:
+    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: ");
+    Serial.println(ssid);
+    status = WiFi.begin(ssid);
+
+    // wait 10 seconds for connection:
+    delay(10000);
+  }
+
+  // you're connected now, so print out the data:
+  Serial.print("You're connected to the network");
+  printCurrentNet();
+  printWifiData();
+}
+
+void loop() {
+  // check the network connection once every 10 seconds:
+  delay(10000);
+  printCurrentNet();
+}
+
+void printWifiData() {
+  // print your WiFi shield's IP address:
+  IPAddress ip = WiFi.localIP();
+  Serial.print("IP Address: ");
+  Serial.println(ip);
+  Serial.println(ip);
+
+  // print your MAC address:
+  byte mac[6];
+  WiFi.macAddress(mac);
+  Serial.print("MAC address: ");
+  Serial.print(mac[5], HEX);
+  Serial.print(":");
+  Serial.print(mac[4], HEX);
+  Serial.print(":");
+  Serial.print(mac[3], HEX);
+  Serial.print(":");
+  Serial.print(mac[2], HEX);
+  Serial.print(":");
+  Serial.print(mac[1], HEX);
+  Serial.print(":");
+  Serial.println(mac[0], HEX);
+
+  // print your subnet mask:
+  IPAddress subnet = WiFi.subnetMask();
+  Serial.print("NetMask: ");
+  Serial.println(subnet);
+
+  // print your gateway address:
+  IPAddress gateway = WiFi.gatewayIP();
+  Serial.print("Gateway: ");
+  Serial.println(gateway);
+}
+
+void printCurrentNet() {
+  // print the SSID of the network you're attached to:
+  Serial.print("SSID: ");
+  Serial.println(WiFi.SSID());
+
+  // print the MAC address of the router you're attached to:
+  byte bssid[6];
+  WiFi.BSSID(bssid);
+  Serial.print("BSSID: ");
+  Serial.print(bssid[5], HEX);
+  Serial.print(":");
+  Serial.print(bssid[4], HEX);
+  Serial.print(":");
+  Serial.print(bssid[3], HEX);
+  Serial.print(":");
+  Serial.print(bssid[2], HEX);
+  Serial.print(":");
+  Serial.print(bssid[1], HEX);
+  Serial.print(":");
+  Serial.println(bssid[0], HEX);
+
+  // print the received signal strength:
+  long rssi = WiFi.RSSI();
+  Serial.print("signal strength (RSSI):");
+  Serial.println(rssi);
+
+  // print the encryption type:
+  byte encryption = WiFi.encryptionType();
+  Serial.print("Encryption Type:");
+  Serial.println(encryption, HEX);
+}
+