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Code Issues Releases Activity

Updated Ethernet WebServer example to give more diagnostic info

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This commit is contained in:
Tom Igoe 2012-03-20 10:37:15 -04:00
parent a46facad70
commit da09e0c867
1 changed files with 22 additions and 9 deletions
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31
libraries/Ethernet/examples/WebServer/WebServer.ino
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@ -10,7 +10,7 @@
created 18 Dec 2009
by David A. Mellis
modified 4 Sep 2010
modified 20 Mar 2012
by Tom Igoe
*/
@ -20,7 +20,8 @@
// 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 };
byte mac[] = {
0xDE, 0xAD, 0xBE, 0xEF, 0xFE, 0xED };
IPAddress ip(192,168,1, 177);
// Initialize the Ethernet server library
@ -28,23 +29,27 @@ IPAddress ip(192,168,1, 177);
// (port 80 is default for HTTP):
EthernetServer server(80);
void setup()
{
void setup() {
Serial.begin(9600);
// start the Ethernet connection and the server:
Ethernet.begin(mac, ip);
server.begin();
Serial.print("server is at ");
Serial.println(Ethernet.localIP());
}
void loop()
{
void loop() {
// listen for incoming clients
EthernetClient client = server.available();
if (client) {
Serial.println("new client");
// an http request ends with a blank line
boolean currentLineIsBlank = true;
while (client.connected()) {
if (client.available()) {
char c = client.read();
Serial.write(c);
// if you've gotten to the end of the line (received a newline
// character) and the line is blank, the http request has ended,
// so you can send a reply
@ -52,16 +57,22 @@ void loop()
// send a standard http response header
client.println("HTTP/1.1 200 OK");
client.println("Content-Type: text/html");
client.println("Connnection: close");
client.println();
client.println("<!DOCTYPE HTML>");
client.println("<html>");
// add a meta refresh tag, so the browser pulls again every 5 seconds:
client.println("<meta http-equiv=\"refresh\" content=\"5\">");
// output the value of each analog input pin
for (int analogChannel = 0; analogChannel < 6; analogChannel++) {
int sensorReading = analogRead(analogChannel);
client.print("analog input ");
client.print(analogChannel);
client.print(" is ");
client.print(analogRead(analogChannel));
client.println("<br />");
client.print(sensorReading);
client.println("<br />");
}
client.println("</html>");
break;
}
if (c == '\n') {
@ -78,5 +89,7 @@ void loop()
delay(1);
// close the connection:
client.stop();
Serial.println("client disonnected");
}
}