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Diffstat (limited to 'libraries/Ethernet/examples/ChatServer/ChatServer.ino')
-rw-r--r--libraries/Ethernet/examples/ChatServer/ChatServer.ino79
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diff --git a/libraries/Ethernet/examples/ChatServer/ChatServer.ino b/libraries/Ethernet/examples/ChatServer/ChatServer.ino
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--- a/libraries/Ethernet/examples/ChatServer/ChatServer.ino
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-/*
- 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.
- Using an Arduino Wiznet Ethernet shield.
-
- Circuit:
- * Ethernet shield attached to pins 10, 11, 12, 13
- * Analog inputs attached to pins A0 through A5 (optional)
-
- created 18 Dec 2009
- by David A. Mellis
- modified 9 Apr 2012
- by Tom Igoe
-
- */
-
-#include <SPI.h>
-#include <Ethernet.h>
-
-// Enter a MAC address and IP address for your controller below.
-// The IP address will be dependent on your local network.
-// gateway and subnet are optional:
-byte mac[] = {
- 0xDE, 0xAD, 0xBE, 0xEF, 0xFE, 0xED };
-IPAddress ip(192,168,1, 177);
-IPAddress gateway(192,168,1, 1);
-IPAddress subnet(255, 255, 0, 0);
-
-
-// telnet defaults to port 23
-EthernetServer server(23);
-boolean alreadyConnected = false; // whether or not the client was connected previously
-
-void setup() {
- // initialize the ethernet device
- Ethernet.begin(mac, ip, gateway, subnet);
- // start listening for clients
- server.begin();
- // Open serial communications and wait for port to open:
- Serial.begin(9600);
- while (!Serial) {
- ; // wait for serial port to connect. Needed for Leonardo only
- }
-
-
- Serial.print("Chat server address:");
- Serial.println(Ethernet.localIP());
-}
-
-void loop() {
- // wait for a new client:
- EthernetClient client = server.available();
-
- // when the client sends the first byte, say hello:
- if (client) {
- if (!alreadyConnected) {
- // clead out the input buffer:
- client.flush();
- Serial.println("We have a new client");
- client.println("Hello, client!");
- alreadyConnected = true;
- }
-
- if (client.available() > 0) {
- // 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.write(thisChar);
- }
- }
-}
-
-
-