76 lines
2.2 KiB
Plaintext
76 lines
2.2 KiB
Plaintext
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#include <Ethernet.h>
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#define LED 8
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byte mac[] = { 0xDE, 0xAD, 0xBE, 0xEF, 0xFE, 0xED };
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byte ip[] = { 192, 168, 111, 2 };
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char link[30], LEDStatus[4];
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Server server(80);
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void setup() {
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pinMode(LED, OUTPUT);
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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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Client client = server.available();
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if (client) {
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char request[10];
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int i = 0;
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boolean current_line_is_blank = true;
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request[9] = '\0';
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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 (i < 9) {
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request[i] = c;
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i++;
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}
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if (c == '\n' && current_line_is_blank) {
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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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client.println("<html><head><title>Arduino etherShield</title></head><body>");
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client.println("<h1>Arduino etherShield Example</h1>");
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client.println("<table>");
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client.print("<tr><td>Analog inputs:</td><td><b>");
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for (int x = 0; x < 6; x++) {
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client.print(x);
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client.print(" = ");
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client.print(5000 * (analogRead(x) / 1024.0));
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client.print(" mV<br>");
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}
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client.println("</b></td></tr><tr><td>uptime:</td> <td><b>");
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client.print(millis() / 1000.0);
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client.println(" seconds</b></td></tr>");
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if (strncmp("GET /off", request, 8) == 0) {
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digitalWrite(LED, LOW);
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sprintf(LEDStatus, "OFF");
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sprintf(link, "<a href=\"/on\">Turn on</a>");
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}
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else {
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sprintf(LEDStatus, "ON");
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digitalWrite(LED, HIGH);
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sprintf(link, "<a href=\"/off\">Turn off</a>");
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}
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client.print("<tr><td>LED status:</td> <td><b>");
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client.print(LEDStatus);
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client.println("</b></td></tr><tr><td colspan=\"2\" align=\"center\">");
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client.println(link);
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client.println("</td></tr></table></body></html>");
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break;
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}
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if (c == '\n') {
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current_line_is_blank = true;
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} else if (c != '\r') {
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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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delay(1);
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client.stop();
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}
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}
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