//#include <Arduino.h>

  //Display libary and Display type

    #include <U8g2lib.h>
    #include <SPI.h>

      // Display auswählen //////////////
        //U8G2_SSD1309_128X64_NONAME0_F_4W_HW_SPI u8g21(U8G2_R0, /* cs=*/ 7, /* dc=*/ 6, /* reset=*/ 5);
        U8G2_SSD1306_128X64_ALT0_F_HW_I2C u8g21(U8G2_R0, /* reset=*/ U8X8_PIN_NONE);   // same as the NONAME variant, but may solve the "every 2nd line skipped" problem
        //U8G2_SSD1309_128X64_NONAME2_F_4W_HW_SPI u8g2(U8G2_R0, /* cs=*/ 10, /* dc=*/ 9, /* reset=*/ 8);
      //

    #include <Adafruit_NeoPixel.h>

    //Adafruit_NeoPixel pixels(16, 2, NEO_GRB + NEO_KHZ800);
    Adafruit_NeoPixel strip(16, 2, NEO_GRB + NEO_KHZ800);

  //
//

// init values
  //
    int    SPEED = 0;
    int    ENGINE_RUNTIME = 0;
    int    COOLANT_TEMP = 96;
    int    ENGINE_LOAD = 0;
    int    ENGINE_RPM = 200;
// setup for core 0
// core 0 drives the Head-up display and connects to OBD-II adapter to recive vehicle data
void setup()
{

  // Set SPI-pins for second display 
    //SPI.setTX(19);
    //SPI.setSCK(18);
  //

  // init serial connection
    //Serial.begin(115200)
  //

  strip.begin();
  strip.show(); // Initialize all pixels to 'off'
  //   pixels.begin();
  // // init u8g2 big Head up Display
     u8g21.begin();    //begin connection display
     u8g21.clearBuffer(); //clear Buffer at begin

    //u8g21.setDisplayRotation(U8G2_MIRROR);     //Mirrors display for reflection to be straigth
    //u8g21.setDisplayRotation(U8G2_R2);         //rotate display 180 degrees

      //u8g21.drawXBM( 0, 0, 128, 64, raspberrylogo); //draw bitmap
      //u8g21.sendBuffer();

      //delay(3000);    //display logo for 3s before initialisation
      
      u8g21.clearBuffer();
        u8g21.setCursor(1,10);
        u8g21.setFont(u8g2_font_smart_patrol_nbp_tr);   //u8g2_font_smart_patrol_nbp_tr    u8g2_font_bubble_tn
        u8g21.print("Display init...");  
        u8g21.setCursor(100,10);
        u8g21.print("ok");
      u8g21.sendBuffer();
  //

  // init OBD-connection
    //print on display that connection is being initiated
      u8g21.setCursor(1,24);
      u8g21.print("OBD init... ");
      u8g21.sendBuffer();

    //wait until connection is ready
    //print that connection to OBDII adapter is sucessful
      u8g21.setCursor(100,24);
      u8g21.print("ok");
      u8g21.sendBuffer();

      delay(1000);

      //for(int i=0; i<16; i++) { // For each pixel...

    // pixels.Color() takes RGB values, from 0,0,0 up to 255,255,255
    // Here we're using a moderately bright green color:
    //pixels.setPixelColor(i, pixels.Color(150, 150, 0));

    //pixels.show();   // Send the updated pixel colors to the hardware.
       // Pause before next pass through loop
  //}
  //

}

// loop core 0
  void loop()
  {
  // pixels.clear();
  // read PIDs from OBDII adapter
  // set leds to red
    
  u8g21.clearBuffer();
    u8g21.setFont(u8g2_font_smart_patrol_nbp_tr);   //u8g2_font_smart_patrol_nbp_tr    u8g2_font_bubble_tn   	

    u8g21.setCursor(28,22);
    u8g21.print("HIGH TEMP");
    
    u8g21.setCursor(38,46);
    u8g21.setFont(u8g2_font_crox5h_tr);
    u8g21.print(COOLANT_TEMP);
    u8g21.print("*C");

    u8g21.setCursor(2,60);
    u8g21.setFont(u8g2_font_6x10_tf );
    u8g21.print(20);
    u8g21.print(" km/h");

    u8g21.setCursor(90,60);
    u8g21.setFont(u8g2_font_6x10_tf );
    u8g21.print(87);
    u8g21.print(" C*");
    
  u8g21.sendBuffer();
strip.fill(strip.ColorHSV(0, 255, 255));
    strip.show();
    

  delay (142);

    u8g21.setFont(u8g2_font_smart_patrol_nbp_tr);   //u8g2_font_smart_patrol_nbp_tr    u8g2_font_bubble_tn
    u8g21.setCursor(30,12);
    u8g21.print("WARNING!!!!!");
  u8g21.sendBuffer();

    // turn off lights to become blinking red effect
    strip.clear();
    strip.show();
  
  // displaying text on Head up Display
  //uint32_t rgbcolor = strip.ColorHSV(hue, saturation, value);
  // uint32_t rgbcolor = strip.ColorHSV(hue);
  //strip.fill(rgbcolor);
  //strip.show();

    
  //

  }
//