diff --git a/WiFi/examples/WifiChatServer/WifiChatServer.ino b/WiFi/examples/WifiChatServer/WifiChatServer.ino new file mode 100644 index 000000000..2470799d6 --- /dev/null +++ b/WiFi/examples/WifiChatServer/WifiChatServer.ino @@ -0,0 +1,95 @@ +/* + Chat Server + + A simple server that distributes any incoming messages to all + connected clients. To use telnet to your device's IP address and type. + You can see the client's input in the serial monitor as well. + + 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 18 Dec 2009 + by David A. Mellis + modified 4 Mar 2012 + by Tom Igoe + + */ + + +#include +#include +char ssid[] = "tigoenet"; // your network SSID (name) +char pass[] = "m30w-m30w"; // your network password (use for WPA, or use as key for WEP) + + +//char ssid[] = "YourNetwork"; // your network SSID (name) +//char pass[] = "password"; // 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; + +WiFiServer server(23); + +boolean gotAMessage = false; // whether or not you got a message from the client yet + +void setup() { + // initialize serial: + Serial.begin(9600); + Serial.println("Attempting to connect to Wifi network..."); + Serial.print("SSID: "); + Serial.println(ssid); + + status = WiFi.begin(ssid, pass); + if ( status != WL_CONNECTED) { + Serial.println("Couldn't get a wifi connection"); + while(true); + } + else { + server.begin(); + Serial.print("Connected to wifi."); + printWifiStatus(); + } +} +void loop() { + // wait for a new client: + WiFiClient client = server.available(); + + // when the client sends the first byte, say hello: + if (client) { + if (!gotAMessage) { + Serial.println("We have a new client"); + client.println("Hello, client!"); + gotAMessage = true; + } + + // read the bytes incoming from the client: + char thisChar = client.read(); + // echo the bytes back to the client: + server.write(thisChar); + // echo the bytes to the server as well: + Serial.print(thisChar); + } +} + + +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"); +} +