arduino-0022
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/*
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Telnet client
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This sketch connects to a a telnet server (http://www.google.com)
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using an Arduino Wiznet Ethernet shield. You'll need a telnet server
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to test this with.
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Processing's ChatServer example (part of the network library) works well,
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running on port 10002. It can be found as part of the examples
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in the Processing application, available at
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http://processing.org/
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Circuit:
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* Ethernet shield attached to pins 10, 11, 12, 13
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created 14 Sep 2010
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by Tom Igoe
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*/
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#include <SPI.h>
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#include <Ethernet.h>
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// Enter a MAC address and IP address for your controller below.
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// The IP address will be dependent on your local network:
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byte mac[] = {
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0xDE, 0xAD, 0xBE, 0xEF, 0xFE, 0xED };
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byte ip[] = {
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192,168,1,177 };
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// Enter the IP address of the server you're connecting to:
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byte server[] = {
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1,1,1,1 };
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// Initialize the Ethernet client library
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// with the IP address and port of the server
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// that you want to connect to (port 23 is default for telnet;
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// if you're using Processing's ChatServer, use port 10002):
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Client client(server, 10002);
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void setup() {
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// start the Ethernet connection:
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Ethernet.begin(mac, ip);
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// start the serial library:
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Serial.begin(9600);
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// give the Ethernet shield a second to initialize:
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delay(1000);
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Serial.println("connecting...");
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// if you get a connection, report back via serial:
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if (client.connect()) {
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Serial.println("connected");
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}
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else {
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// if you didn't get a connection to the server:
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Serial.println("connection failed");
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}
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}
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void loop()
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{
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// if there are incoming bytes available
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// from the server, read them and print them:
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if (client.available()) {
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char c = client.read();
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Serial.print(c);
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}
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// as long as there are bytes in the serial queue,
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// read them and send them out the socket if it's open:
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while (Serial.available() > 0) {
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char inChar = Serial.read();
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if (client.connected()) {
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client.print(inChar);
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}
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}
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// if the server's disconnected, stop the client:
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if (!client.connected()) {
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Serial.println();
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Serial.println("disconnecting.");
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client.stop();
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// do nothing:
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while(true);
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}
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}
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