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Added comments and serial output to ChatServer example

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This commit is contained in:
Tom Igoe
2010-07-25 16:38:42 +00:00
parent 92f193d66d
commit 0f46232b26
1 changed files with 33 additions and 13 deletions
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46
libraries/Ethernet/examples/ChatServer/ChatServer.pde
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@ -1,34 +1,54 @@
/* /*
* Chat Server Web Server
*
* A simple server that distributes any incoming messages to all A simple server that distributes any incoming messages to all
* connected clients. To use telnet to 10.0.0.177 and type! 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 25 July 2010
by Tom Igoe
*/ */
#include <Ethernet.h> #include <Ethernet.h>
// network configuration. gateway and subnet are optional. // 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 }; byte mac[] = { 0xDE, 0xAD, 0xBE, 0xEF, 0xFE, 0xED };
byte ip[] = { 10, 0, 0, 177 }; byte ip[] = { 192,168,1, 177 };
byte gateway[] = { 10, 0, 0, 1 }; byte gateway[] = { 192,168,1, 1 };
byte subnet[] = { 255, 255, 0, 0 }; byte subnet[] = { 255, 255, 0, 0 };
// telnet defaults to port 23 // telnet defaults to port 23
Server server(23); Server server(23);
void setup() void setup() {
{
// initialize the ethernet device // initialize the ethernet device
Ethernet.begin(mac, ip, gateway, subnet); Ethernet.begin(mac, ip, gateway, subnet);
// start listening for clients // start listening for clients
server.begin(); server.begin();
// open the serial port
Serial.begin(9600);
} }
void loop() void loop() {
{ // wait for a new client:
Client client = server.available(); Client client = server.available();
if (client) { if (client) {
server.write(client.read()); // 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);
} }
} }