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60 lines
1.5 KiB
Plaintext
60 lines
1.5 KiB
Plaintext
/*
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* Web Server
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*
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* A simple web server that shows the value of the analog input pins.
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*/
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#include <Ethernet.h>
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byte mac[] = { 0xDE, 0xAD, 0xBE, 0xEF, 0xFE, 0xED };
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byte ip[] = { 10, 0, 0, 177 };
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Server server(80);
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void setup()
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{
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Ethernet.begin(mac, ip);
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server.begin();
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}
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void loop()
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{
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Client client = server.available();
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if (client) {
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// an http request ends with a blank line
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boolean current_line_is_blank = true;
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while (client.connected()) {
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if (client.available()) {
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char c = client.read();
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// if we've gotten to the end of the line (received a newline
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// character) and the line is blank, the http request has ended,
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// so we can send a reply
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if (c == '\n' && current_line_is_blank) {
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// send a standard http response header
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client.println("HTTP/1.1 200 OK");
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client.println("Content-Type: text/html");
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client.println();
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// output the value of each analog input pin
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for (int i = 0; i < 6; i++) {
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client.print("analog input ");
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client.print(i);
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client.print(" is ");
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client.print(analogRead(i));
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client.println("<br />");
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}
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break;
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}
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if (c == '\n') {
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// we're starting a new line
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current_line_is_blank = true;
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} else if (c != '\r') {
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// we've gotten a character on the current line
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current_line_is_blank = false;
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}
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}
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}
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client.stop();
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}
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}
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