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Diffstat (limited to 'libraries/Ethernet/examples/TelnetClient')
-rw-r--r-- | libraries/Ethernet/examples/TelnetClient/TelnetClient.ino | 93 |
1 files changed, 93 insertions, 0 deletions
diff --git a/libraries/Ethernet/examples/TelnetClient/TelnetClient.ino b/libraries/Ethernet/examples/TelnetClient/TelnetClient.ino new file mode 100644 index 0000000..3457125 --- /dev/null +++ b/libraries/Ethernet/examples/TelnetClient/TelnetClient.ino @@ -0,0 +1,93 @@ +/* + Telnet client + + This sketch connects to a a telnet server (http://www.google.com) + using an Arduino Wiznet Ethernet shield. You'll need a telnet server + to test this with. + Processing's ChatServer example (part of the network library) works well, + running on port 10002. It can be found as part of the examples + in the Processing application, available at + http://processing.org/ + + Circuit: + * Ethernet shield attached to pins 10, 11, 12, 13 + + created 14 Sep 2010 + 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: +byte mac[] = { + 0xDE, 0xAD, 0xBE, 0xEF, 0xFE, 0xED }; +IPAddress ip(192,168,1,177); + +// Enter the IP address of the server you're connecting to: +IPAddress server(1,1,1,1); + +// Initialize the Ethernet client library +// with the IP address and port of the server +// that you want to connect to (port 23 is default for telnet; +// if you're using Processing's ChatServer, use port 10002): +EthernetClient client; + +void setup() { + // start the Ethernet connection: + Ethernet.begin(mac, ip); + // Open serial communications and wait for port to open: + Serial.begin(9600); + while (!Serial) { + ; // wait for serial port to connect. Needed for Leonardo only + } + + + // give the Ethernet shield a second to initialize: + delay(1000); + Serial.println("connecting..."); + + // if you get a connection, report back via serial: + if (client.connect(server, 10002)) { + Serial.println("connected"); + } + else { + // if you didn't get a connection to the server: + Serial.println("connection failed"); + } +} + +void loop() +{ + // if there are incoming bytes available + // from the server, read them and print them: + if (client.available()) { + char c = client.read(); + Serial.print(c); + } + + // as long as there are bytes in the serial queue, + // read them and send them out the socket if it's open: + while (Serial.available() > 0) { + char inChar = Serial.read(); + if (client.connected()) { + client.print(inChar); + } + } + + // if the server's disconnected, stop the client: + if (!client.connected()) { + Serial.println(); + Serial.println("disconnecting."); + client.stop(); + // do nothing: + while(true); + } +} + + + + |