arduino led strip.ino

#include <SPI.h>
#include <Ethernet.h>

#define REDPIN 5
#define GREENPIN 3
#define BLUEPIN 6
#define WHITEPIN 10

byte mac[] = {
  0xDE, 0xAD, 0xBE, 0xEF, 0xFE, 0xED
};
IPAddress ip(192, 168, 2, 177);
EthernetServer server(80);
 
void setup() {
  pinMode(REDPIN, OUTPUT);
  pinMode(GREENPIN, OUTPUT);
  pinMode(BLUEPIN, OUTPUT);
  pinMode(WHITEPIN, OUTPUT);
  if (Ethernet.hardwareStatus() == EthernetNoHardware) {
    // show red color becaue of no internet adapter
    analogWrite(REDPIN, 255);
    while (true) {
      delay(1);
    }
  }
  if (Ethernet.linkStatus() == LinkOFF) {
    analogWrite(GREENPIN, 255);
  }
  server.begin();
}
 
 
void loop() {
  EthernetClient client = server.available();
  if (client) {
    // an http request ends with a blank line
    boolean currentLineIsBlank = true;
    while (client.connected()) {
      if (client.available()) {
        char c = client.read();
        if (c == '\n' && currentLineIsBlank) {
          client.println("HTTP/1.1 200 OK");
          client.println("Content-Type: text/html");
          client.println("Connection: close");
          client.println();
          client.println("ok");
          break;
        }
        if (c == '\n') {
          currentLineIsBlank = true;
        } else if (c != '\r') {
          currentLineIsBlank = false;
        }
      }
    }
    delay(1);
    client.stop();
  }
//  int r, g, b, w;
//  
//  w = 255;
//  analogWrite(WHITEPIN, w);
 
  // fade from blue to violet
//  for (r = 0; r < 256; r++) { 
//    analogWrite(REDPIN, r);
//    delay(FADESPEED);
//  } 
  // fade from violet to red
//  for (b = 255; b > 0; b--) { 
//    analogWrite(BLUEPIN, b);
//    delay(FADESPEED);
//  } 
  // fade from red to yellow
//  for (g = 0; g < 256; g++) { 
//    analogWrite(GREENPIN, g);
//    delay(FADESPEED);
//  } 
  // fade from yellow to green
//  for (r = 255; r > 0; r--) { 
//    analogWrite(REDPIN, r);
//    delay(FADESPEED);
//  } 
  // fade from green to teal
//  for (b = 0; b < 256; b++) { 
//    analogWrite(BLUEPIN, b);
//    delay(FADESPEED);
//  } 
  // fade from teal to blue
//  for (g = 255; g > 0; g--) { 
//    analogWrite(GREENPIN, g);
//    delay(FADESPEED);
//  } 
}