source: rtos_arduino/trunk/arduino_lib/libraries/Ethernet2/examples/WebServer/WebServer.ino@ 136

Last change on this file since 136 was 136, checked in by ertl-honda, 8 years ago

ライブラリとOS及びベーシックなサンプルの追加．
File size: 2.9 KB
Line 
1/*
2 Web Server
3
4 A simple web server that shows the value of the analog input pins.
5 using an Arduino Wiznet Ethernet shield.
6
7 Circuit:
8 * Ethernet shield attached to pins 10, 11, 12, 13
9 * Analog inputs attached to pins A0 through A5 (optional)
10
11 created 18 Dec 2009
12 by David A. Mellis
13 modified 9 Apr 2012
14 by Tom Igoe
15
16 */
17
18#include <SPI.h>
19#include <Ethernet2.h>
20
21// Enter a MAC address and IP address for your controller below.
22// The IP address will be dependent on your local network:
23byte mac[] = {
24 0xDE, 0xAD, 0xBE, 0xEF, 0xFE, 0xED
25};
26IPAddress ip(192, 168, 1, 177);
27
28// Initialize the Ethernet server library
29// with the IP address and port you want to use
30// (port 80 is default for HTTP):
31EthernetServer server(80);
32
33void setup() {
34 // Open serial communications and wait for port to open:
35 Serial.begin(9600);
36 while (!Serial) {
37 ; // wait for serial port to connect. Needed for Leonardo only
38 }
39
40
41 // start the Ethernet connection and the server:
42 Ethernet.begin(mac, ip);
43 server.begin();
44 Serial.print("server is at ");
45 Serial.println(Ethernet.localIP());
46}
47
48
49void loop() {
50 // listen for incoming clients
51 EthernetClient client = server.available();
52 if (client) {
53 Serial.println("new client");
54 // an http request ends with a blank line
55 boolean currentLineIsBlank = true;
56 while (client.connected()) {
57 if (client.available()) {
58 char c = client.read();
59 Serial.write(c);
60 // if you've gotten to the end of the line (received a newline
61 // character) and the line is blank, the http request has ended,
62 // so you can send a reply
63 if (c == '\n' && currentLineIsBlank) {
64 // send a standard http response header
65 client.println("HTTP/1.1 200 OK");
66 client.println("Content-Type: text/html");
67 client.println("Connection: close"); // the connection will be closed after completion of the response
68 client.println("Refresh: 5"); // refresh the page automatically every 5 sec
69 client.println();
70 client.println("<!DOCTYPE HTML>");
71 client.println("<html>");
72 // output the value of each analog input pin
73 for (int analogChannel = 0; analogChannel < 6; analogChannel++) {
74 int sensorReading = analogRead(analogChannel);
75 client.print("analog input ");
76 client.print(analogChannel);
77 client.print(" is ");
78 client.print(sensorReading);
79 client.println("<br />");
80 }
81 client.println("</html>");
82 break;
83 }
84 if (c == '\n') {
85 // you're starting a new line
86 currentLineIsBlank = true;
87 }
88 else if (c != '\r') {
89 // you've gotten a character on the current line
90 currentLineIsBlank = false;
91 }
92 }
93 }
94 // give the web browser time to receive the data
95 delay(1);
96 // close the connection:
97 client.stop();
98 Serial.println("client disconnected");
99 }
100}
101
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