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Diffstat (limited to 'libraries/WiFi/examples/WiFiWebClient/WiFiWebClient.ino')
-rw-r--r-- | libraries/WiFi/examples/WiFiWebClient/WiFiWebClient.ino | 121 |
1 files changed, 121 insertions, 0 deletions
diff --git a/libraries/WiFi/examples/WiFiWebClient/WiFiWebClient.ino b/libraries/WiFi/examples/WiFiWebClient/WiFiWebClient.ino new file mode 100644 index 0000000..310ec46 --- /dev/null +++ b/libraries/WiFi/examples/WiFiWebClient/WiFiWebClient.ino @@ -0,0 +1,121 @@ + +/* + 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"); +} + + + + + |