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authorFederico Fissore <f.fissore@arduino.cc>2013-05-13 16:58:10 +0200
committerFederico Fissore <f.fissore@arduino.cc>2013-05-13 16:58:10 +0200
commitb70954ea256f94afdd941e2c89a086887b496c13 (patch)
treebd9fb74f61b1351a32b8b48cef8f04863d9d6df8 /libraries/WiFi/examples/WiFiWebClient
parentc48c0f9e2cebe0e3ebda7aa5c4f9096b9586ed9e (diff)
parent7207108255a772474b322151cb0fd113e8030afe (diff)
Merge remote-tracking branch 'arduino/ide-1.5.x' into ide-1.5.x-discovery
Diffstat (limited to 'libraries/WiFi/examples/WiFiWebClient')
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diff --git a/libraries/WiFi/examples/WiFiWebClient/WiFiWebClient.ino b/libraries/WiFi/examples/WiFiWebClient/WiFiWebClient.ino
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+
+/*
+ Web client
+
+ This sketch connects to a website (http://www.google.com)
+ using a WiFi shield.
+
+ This example is written for a network using WPA encryption. For
+ WEP or WPA, change the Wifi.begin() call accordingly.
+
+ This example is written for a network using WPA encryption. For
+ WEP or WPA, change the Wifi.begin() call accordingly.
+
+ 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"; // 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)
+
+int status = WL_IDLE_STATUS;
+// if you don't want to use DNS (and reduce your sketch size)
+// use the numeric IP instead of the name for the server:
+//IPAddress server(74,125,232,128); // numeric IP for Google (no DNS)
+char server[] = "www.google.com"; // name address for Google (using DNS)
+
+// Initialize the Ethernet client library
+// with the IP address and port of the server
+// that you want to connect to (port 80 is default for HTTP):
+WiFiClient client;
+
+void setup() {
+ //Initialize serial and wait for port to open:
+ 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");
+ // don't continue:
+ while(true);
+ }
+
+ // attempt to connect to Wifi network:
+ 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:
+ status = WiFi.begin(ssid, pass);
+
+ // 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:
+ if (client.connect(server, 80)) {
+ Serial.println("connected to server");
+ // Make a HTTP request:
+ client.println("GET /search?q=arduino HTTP/1.1");
+ client.println("Host: www.google.com");
+ client.println("Connection: close");
+ client.println();
+ }
+}
+
+void loop() {
+ // if there are incoming bytes available
+ // from the server, read them and print them:
+ while (client.available()) {
+ char c = client.read();
+ Serial.write(c);
+ }
+
+ // if the server's disconnected, stop the client:
+ if (!client.connected()) {
+ Serial.println();
+ Serial.println("disconnecting from server.");
+ client.stop();
+
+ // do nothing forevermore:
+ while(true);
+ }
+}
+
+
+void printWifiStatus() {
+ // print the SSID of the network you're attached to:
+ Serial.print("SSID: ");
+ Serial.println(WiFi.SSID());
+
+ // print your WiFi shield's IP address:
+ IPAddress ip = WiFi.localIP();
+ Serial.print("IP Address: ");
+ Serial.println(ip);
+
+ // print the received signal strength:
+ long rssi = WiFi.RSSI();
+ Serial.print("signal strength (RSSI):");
+ Serial.print(rssi);
+ Serial.println(" dBm");
+}
+
+
+
+
+