 }
 
 // ---- ISR handling -----
+/*
 inline void laser_common_ISR(int l_idx) {
   unsigned long us = micros();
   int laser_blocked = digitalRead(laser_pins[l_idx]); //LOW for laser radiates, HIGH laser blocked

#define TUNING -12


#define LASER_ANALOG_TH 900 //for analog read of bpw34. 900-1023 means laser is blocked, 0-600 means laser hit diode
#define LASER_ANALOG_THOLD_US 5000 //[us]
#define LASER_THOLD 1000 //[us]
#define STOP_THOLD 500000 //[us]
#define FRET_SLIDING_THOLD 500000 //[us]


  }
}
*/
inline boolean all_lasers_blocked() {
  if (laser_status[0] == true &&
      laser_status[1] == true &&
