/*        
Holds stimulus light from screen left on for 10 seconds.
*/

float FrameRate = 30;
int intensity = 0;


void unidirectionStim(int intensity) {
      if (t < 180) { 
        arduino.analogWrite(down, intensity);       // Turns on arduino light (can make ledPin into a parameter that is passed in)
      } else {
        arduino.analogWrite(down, 0);
      }
      
      t_temp = t_temp + 1;
      t = t_temp / FrameRate;
}