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#pragma config(Sensor, S1,     COLOR,           sensorI2CCustom)


#include "drivers/HTCS2-driver.h" //download and include drivers for robotC websites

task main () {
  int _color = 0;
  int selection=0;

  nxtDisplayCenteredTextLine(3, "WAIT A MOMENT!"); //"wait a moment" will be wroten in display for two seconds
  wait1Msec(2000);

  eraseDisplay();
  while (true)
    {
    _color = HTCS2readColor(COLOR); //_color gets values for the sensor

    if (_color < 0) //if color sensor value goes under 0, all tasks will stop.
      {            //varisensorin arvon ei pitaisi menna alle 0, jos menee tulee error
      nxtDisplayTextLine(4, "ERROR!!");
      wait1Msec(2000);
      StopAllTasks();
      }

   if(_color<5 && _color>3) // GREEN, Value from sensor = 4
    {
    selection=1;
    }

   if(_color<10 && _color>7) //RED, Value from sensor = 8
    {
    selection=2;
    }

   if(_color<7 && _color>5) //YELLOW, Value from sensor = 6
    {
    selection=3;
    }

   if(_color<3 && _color>1) //BLUE ,Value from sensor= 2
    {
    selection=4;
    }


    if(selection==1)
    {
      nxtDisplayCenteredTextLine(4, "GREEN"); //Display shows text "GREEN", 4 is a textline number
    }

    if(selection==2)
    {
      nxtDisplayCenteredTextLine(4, "RED");
    }

    if(selection==3)
    {
      nxtDisplayCenteredTextLine(4, "YELLOW");
    }

    if(selection==4)
    {
      nxtDisplayCenteredTextLine(4, "BLUE");
    }
}
}