#include <Adafruit_NeoPixel.h>
    
    #define PIN_ONOFF 6
    #define PIN_FUNCTION1 7
    #define PIN_FUNCTION2 8
    #define PIN_LEDS 9
    #define NUM_LEDS 124
    #define NUM_LEDS_X 6
    
    Adafruit_NeoPixel strip = Adafruit_NeoPixel(NUM_LEDS, PIN_LEDS, NEO_GRB + NEO_KHZ800);

    bool boolOnOff;
    bool toggleOnOff;
    int intColour;
    bool toggleColour;
  
    void setup() {
      pinMode(PIN_ONOFF, INPUT);
      pinMode(PIN_FUNCTION1, INPUT);
      Serial.begin(9600);
      boolOnOff = 1;
      toggleOnOff = 0;
      intColour = 0;
      toggleColour = 0;
      strip.begin();
      strip.show(); // Initialize all pixels to 'off'
      Serial.println("My Sketch has started");
    }


    
    void loop() {
 
      if (boolOnOff) {
        Serial.println("ON");

        if (toggleColour) {
          if (intColour < 3) {
            intColour++;
          }
          else {
            intColour = 0;
          }
        }

        switch (intColour) {
          case 0: setAll(0xff,0xff,0xff);
                  toggleColour = 0;
                  break;
          case 1: setAll(0xff,0x00,0x00);
                  toggleColour = 0;
                  break;
          case 2: setAll(0x00,0xff,0x00);
                  toggleColour = 0;
                  break;
          case 3: setAll(0x00,0x00,0xff);
                  toggleColour = 0;
                  break;
          default:setAll(0x00,0x00,0x00);
                  toggleColour = 0;
        }

        while (digitalRead(PIN_FUNCTION1)){
          toggleColour = 1;
          delay(250);
        }
      
      }
      else {
        Serial.println("OFF");
        setAll(0x00,0x00,0x00); 
      }
      showStrip();
      
      if (toggleOnOff){
        boolOnOff = !boolOnOff;
        toggleOnOff = 0;
      }
      else{
        boolOnOff = boolOnOff;
      }

      while (digitalRead(PIN_ONOFF)){
        toggleOnOff = 1;
        delay(250);
      }
        
      
      Serial.println(intColour);
    }


// Neopixel senden an Streifen

    void showStrip() {
     #ifdef ADAFRUIT_NEOPIXEL_H
       // NeoPixel
       strip.show();
     #endif
    }


// Neopixel setze einzelnen Pixel

    void setPixel(int Pixel, byte red, byte green, byte blue) {
     #ifdef ADAFRUIT_NEOPIXEL_H
       // NeoPixel
       strip.setPixelColor(Pixel, strip.Color(red, green, blue));
     #endif
    }


// Neopixel setze ganzen Streifen

    void setAll(byte red, byte green, byte blue) {
      for(int i = NUM_LEDS_X; i < NUM_LEDS; i++ ) {
        setPixel(i, red, green, blue);
      }
    }