Office BusyLight

#include <Adafruit_NeoPixel.h>
#include <ESP8266WiFi.h>

char ssid[] = "<YOUR SSID HERE>";     //  your network SSID (name)
char pass[] = "<YOUR WPA KEY HERE>";  // your network password

IPAddress ip(192, 168, 2, 239);       // If you want to have a fixed ip address, set it up here
IPAddress gateway(192, 168, 2, 1);
IPAddress subnet(255, 255, 255, 0);

String CColor = "";

unsigned long ulReqcount;
unsigned long ulReconncount;

Adafruit_NeoPixel strip = Adafruit_NeoPixel(12, 14);
WiFiServer server(80);

void setup()
{
  // setup globals
  ulReqcount = 0;
  ulReconncount = 0;
  strip.begin();
  strip.show();
  
  
  WiFi.config(ip, gateway, subnet); // comment this out if you want to get an ip address from dhcp-server

  WiFi.softAPdisconnect(true);
  WiFi.mode(WIFI_STA);
  WiFi.begin(ssid, pass);

  int itry = 0;
  while (WiFi.status() != WL_CONNECTED) {
    strip.begin();
    for(int i = 0; i<12; i++) {
      strip.setPixelColor(i, 255, 255, 255);
    }
    strip.setBrightness(128),
    strip.show();
    delay(500);
    strip.begin();
    for(int i = 0; i<12; i++) {
      strip.setPixelColor(i, 0, 0, 0);
    }
    strip.setBrightness(128),
    strip.show();
    delay(500);
    itry++;
    if(itry>=20) {
      for(int i = 0; i<12; i++) {
        strip.setPixelColor(i, 255, 255, 255);
      }
      while(true) {
        for(int i = 0; i<255; i++) {
          strip.begin();
          strip.setBrightness(i),
          strip.show();
          delay(100);
        }
        for(int i = 0; i<255; i++) {
          strip.begin();
          strip.setBrightness(255-i),
          strip.show();
          delay(100);
        }
        delay(1000);            
      }
    }
  }
  server.begin();
}

void changeColor(uint32_t c) {
  for(uint16_t i=0; i<strip.numPixels(); i++) {
    strip.setPixelColor(i, c);
  }
  strip.show();
}


void colorWipe(uint32_t c, uint8_t wait) {
  for(uint16_t i=0; i<strip.numPixels(); i++) {
    strip.setPixelColor(i, c);
    delay(wait);
    strip.show();
    delay(wait);
  }
}

void rainbow(uint8_t wait) {
  uint16_t i, j;

  for(j=0; j<256; j++) {
    for(i=0; i<strip.numPixels(); i++) {
      strip.setPixelColor(i, Wheel((i+j) & 255));
    }
    strip.show();
    delay(wait);
  }
}

void rainbowCycle(uint8_t wait) {
  uint16_t i, j;

  for(j=0; j<256*5; j++) { // 5 cycles of all colors on wheel
    for(i=0; i< strip.numPixels(); i++) {
      strip.setPixelColor(i, Wheel(((i * 256 / strip.numPixels()) + j) & 255));
    }
    strip.show();
    delay(wait);
  }
}

//Theatre-style crawling lights.
void theaterChase(uint32_t c, uint8_t wait) {
  for (int j=0; j<10; j++) {  //do 10 cycles of chasing
    for (int q=0; q < 3; q++) {
      for (uint16_t i=0; i < strip.numPixels(); i=i+3) {
        strip.setPixelColor(i+q, c);    //turn every third pixel on
      }
      strip.show();

      delay(wait);

      for (uint16_t i=0; i < strip.numPixels(); i=i+3) {
        strip.setPixelColor(i+q, 0);        //turn every third pixel off
      }
    }
  }
}

//Theatre-style crawling lights with rainbow effect
void theaterChaseRainbow(uint8_t wait) {
  for (int j=0; j < 256; j++) {     // cycle all 256 colors in the wheel
    for (int q=0; q < 3; q++) {
      for (uint16_t i=0; i < strip.numPixels(); i=i+3) {
        strip.setPixelColor(i+q, Wheel( (i+j) % 255));    //turn every third pixel on
      }
      strip.show();

      delay(wait);

      for (uint16_t i=0; i < strip.numPixels(); i=i+3) {
        strip.setPixelColor(i+q, 0);        //turn every third pixel off
      }
    }
  }
}

// Input a value 0 to 255 to get a color value.
// The colours are a transition r - g - b - back to r.
uint32_t Wheel(byte WheelPos) {
  WheelPos = 255 - WheelPos;
  if(WheelPos < 85) {
    return strip.Color(255 - WheelPos * 3, 0, WheelPos * 3);
  }
  if(WheelPos < 170) {
    WheelPos -= 85;
    return strip.Color(0, WheelPos * 3, 255 - WheelPos * 3);
  }
  WheelPos -= 170;
  return strip.Color(WheelPos * 3, 255 - WheelPos * 3, 0);
}

void loop()
{
    WiFiClient client = server.available();
    if (!client) {
        return;
    }
    unsigned long ultimeout = millis() + 250;
    while (!client.available() && (millis() < ultimeout)) {
        delay(1);
    }
    if (millis() > ultimeout) {
        return;
    }

    // Read the first line of the request
    String sRequest = client.readStringUntil('\r');
    client.flush();

    // stop client, if request is empty
    if (sRequest == "") {
        client.stop();
        return;
    }

    // get path; end of path is either space or ?
    // Syntax is e.g. GET /?pin=MOTOR1STOP HTTP/1.1
    String sPath = "", sParam = "", sCmd = "";
    String sGetstart = "GET ";
    int iStart, iEndSpace, iEndQuest;
    iStart = sRequest.indexOf(sGetstart);
    if (iStart >= 0) {
        iStart += +sGetstart.length();
        iEndSpace = sRequest.indexOf(" ", iStart);
        iEndQuest = sRequest.indexOf("?", iStart);

        // are there parameters?
        if (iEndSpace > 0) {
            if (iEndQuest > 0) {
                // there are parameters
                sPath = sRequest.substring(iStart, iEndQuest);
                sParam = sRequest.substring(iEndQuest, iEndSpace);
            }
            else {
                // NO parameters
                sPath = sRequest.substring(iStart, iEndSpace);
            }
        }
    }

    ///////////////////////////////////////////////////////////////////////////////
    // output parameters to serial, you may connect e.g. an Arduino and react on it
    ///////////////////////////////////////////////////////////////////////////////
    if (sParam.length() > 0) {
        int iEqu = sParam.indexOf("=");
        if (iEqu >= 0) {
            sCmd = sParam.substring(iEqu + 1, sParam.length());
        }
    }

    ///////////////////////////
    // format the html response
    ///////////////////////////
    String sResponse, sHeader;

    ////////////////////////////
    // 404 for non-matching path
    ////////////////////////////
    if (sPath != "/") {
        sResponse = "<html><head><title>404 Not Found</title></head><body><h1>Not Found</h1><p>The requested URL was not found on this server.</p></body></html>";

        sHeader = "HTTP/1.1 404 Not found\r\n";
        sHeader += "Content-Length: ";
        sHeader += sResponse.length();
        sHeader += "\r\n";
        sHeader += "Content-Type: text/html\r\n";
        sHeader += "Connection: close\r\n";
        sHeader += "\r\n";
    }
    ///////////////////////
    // format the html page
    ///////////////////////
    else {
        ulReqcount++;
        sResponse = "<html><head><title>BusyLight</title></head><body>";
        sResponse += "<font color=\"#000000\"><body bgcolor=\"#c0c0c0\">";
        sResponse += "<meta name=\"viewport\" content=\"width=device-width, initial-scale=1.0, user-scalable=yes\">";
        sResponse += "<h1>H&amp;V BusyLight</h1>";
        
        //////////////////////
        // react on parameters
        //////////////////////
        if (sCmd.length() > 0) {
            // write received command to html page
            sResponse += "Param:" + sCmd + "<BR>";
            strip.begin();
            // switch GPIO
            if (sCmd.indexOf("RED") >= 0) {
                for(int i = 0; i<12; i++) {
                  strip.setPixelColor(i, 255, 0, 0);
                }
                strip.setBrightness(128),
                strip.show();
            }
            else if (sCmd.indexOf("GREEN") >= 0) {
                for(int i = 0; i<12; i++) {
                  strip.setPixelColor(i, 0, 255, 0);
                }
                strip.setBrightness(128),
                strip.show();
            }
            else if (sCmd.indexOf("BLUE") >= 0) {
                for(int i = 0; i<12; i++) {
                  strip.setPixelColor(i, 0, 0, 255);
                }
                strip.setBrightness(128),
                strip.show();
            }
            else if (sCmd.indexOf("YELLOW") >= 0) {
                for(int i = 0; i<12; i++) {
                  strip.setPixelColor(i, 255, 255, 0);
                }
                strip.setBrightness(128),
                strip.show();
            }
            else if (sCmd.indexOf("WHITE") >= 0) {
                for(int i = 0; i<12; i++) {
                  strip.setPixelColor(i, 255, 255, 255);
                }
                strip.setBrightness(128),
                strip.show();
            }
            else if (sCmd.indexOf("PURPLE") >= 0) {
                for(int i = 0; i<12; i++) {
                  strip.setPixelColor(i, 255, 0, 255);
                }
                strip.setBrightness(128),
                strip.show();
            }
            else if (sCmd.indexOf("ORANGE") >= 0) {
                for(int i = 0; i<12; i++) {
                  strip.setPixelColor(i, 255, 110, 0);
                }
                strip.setBrightness(128),
                strip.show();
            }
            else if (sCmd.indexOf("CWR") >= 0) {
              colorWipe(strip.Color(255, 0, 0), 20); // Red
            }
            else if (sCmd.indexOf("CWG") >= 0) {
              colorWipe(strip.Color(0, 255, 0), 20); // Green
            }
            else if (sCmd.indexOf("CWB") >= 0) {
              colorWipe(strip.Color(0, 0, 255), 20); // Blue
            }
            else if (sCmd.indexOf("TCRB") >= 0) {
              theaterChaseRainbow(20);
            }
            else if (sCmd.indexOf("TCR") >= 0) {
              theaterChase(strip.Color(255, 0, 0), 20); // Red
            }
            else if (sCmd.indexOf("TCG") >= 0) {
              theaterChase(strip.Color(0, 255, 0), 20); // Green
            }
            else if (sCmd.indexOf("TCB") >= 0) {
              theaterChase(strip.Color(0, 0, 255), 20); // Blue
            }
            else if (sCmd.indexOf("RBC") >= 0) {
              rainbowCycle(20);
            }
            else if (sCmd.indexOf("RBOW") >= 0) {
              rainbow(20);
            }
            else if (sCmd.indexOf("CYAN") >= 0) {
                for(int i = 0; i<12; i++) {
                  strip.setPixelColor(i, 0, 255, 255);
                }
                strip.setBrightness(128),
                strip.show();
            }
            else if (sCmd.indexOf("RAINBOW") >= 0) {
                strip.setPixelColor(0, 255, 0, 0);
                strip.setPixelColor(1, 255, 0, 128);
                strip.setPixelColor(2, 255, 0, 255);
                strip.setPixelColor(3, 0, 0, 255);
                strip.setPixelColor(4, 0, 128, 255);
                strip.setPixelColor(5, 0, 255, 0);
                strip.setPixelColor(6, 0, 255, 128);
                strip.setPixelColor(7, 128, 255, 0);
                strip.setPixelColor(8, 255, 255, 0);
                strip.setPixelColor(9, 0, 255, 255);
                strip.setPixelColor(10, 0, 255, 255);
                strip.setPixelColor(10, 0, 255, 255);
                strip.setPixelColor(11, 0, 255, 255);
                strip.setBrightness(128),
                strip.show();
            }
            else if (sCmd.indexOf("OFF") >= 0) {
                for(int i = 0; i<12; i++) {
                  strip.setPixelColor(i, 0, 0, 0);
                }
                strip.setBrightness(128),
                strip.show();
            }
        }
        sResponse += "</body></html>";

        sHeader = "HTTP/1.1 200 OK\r\n";
        sHeader += "Content-Length: ";
        sHeader += sResponse.length();
        sHeader += "\r\n";
        sHeader += "Content-Type: text/html\r\n";
        sHeader += "Connection: close\r\n";
        sHeader += "\r\n";
    }

    // Send the response to the client
    client.print(sHeader);
    client.print(sResponse);

    // and stop the client
    client.stop();
}