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111 lines
3.1 KiB
111 lines
3.1 KiB
/*
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Same as default library but uses UIPEthernet. Requires UIPEthernet.
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Manage Libraries - Download UIP Ethernet library
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*/
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/*
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Web Server
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A simple web server that shows the value of the analog input pins.
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using an Arduino Wiznet Ethernet shield.
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Circuit:
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* Ethernet shield attached to pins 10, 11, 12, 13
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* Analog inputs attached to pins A0 through A5 (optional)
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created 18 Dec 2009
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by David A. Mellis
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modified 9 Apr 2012
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by Tom Igoe
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modified 02 Sept 2015
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by Arturo Guadalupi
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*/
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#include <SPI.h>
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#include <UIPEthernet.h>
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// Enter a MAC address and IP address for your controller below.
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// The IP address will be dependent on your local network:
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byte mac[] = {
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0xDE, 0xAD, 0xBE, 0xEF, 0xFE, 0xED
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};
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IPAddress ip(192, 168, 1, 177);
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// Initialize the Ethernet server library
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// with the IP address and port you want to use
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// (port 80 is default for HTTP):
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EthernetServer server(80);
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void setup() {
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// Open serial communications and wait for port to open:
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Serial.begin(9600);
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while (!Serial) {
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; // wait for serial port to connect. Needed for native USB port only
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}
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// start the Ethernet connection and the server:
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Ethernet.begin(mac, ip);
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server.begin();
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Serial.print("server is at ");
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Serial.println(Ethernet.localIP());
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}
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void loop() {
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// listen for incoming clients
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EthernetClient client = server.available();
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if (client) {
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Serial.println("new client");
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// an http request ends with a blank line
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boolean currentLineIsBlank = 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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Serial.write(c);
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// if you'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 you can send a reply
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if (c == '\n' && currentLineIsBlank) {
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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("Connection: close"); // the connection will be closed after completion of the response
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client.println("Refresh: 5"); // refresh the page automatically every 5 sec
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client.println();
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client.println("<!DOCTYPE HTML>");
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client.println("<html>");
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// output the value of each analog input pin
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for (int analogChannel = 0; analogChannel < 6; analogChannel++) {
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int sensorReading = analogRead(analogChannel);
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client.print("analog input ");
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client.print(analogChannel);
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client.print(" is ");
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client.print(sensorReading);
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client.println("<br />");
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}
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client.println("</html>");
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break;
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}
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if (c == '\n') {
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// you're starting a new line
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currentLineIsBlank = true;
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} else if (c != '\r') {
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// you've gotten a character on the current line
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currentLineIsBlank = false;
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}
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}
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}
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// give the web browser time to receive the data
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delay(1);
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// close the connection:
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client.stop();
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Serial.println("client disconnected");
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}
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}
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