 int ROUTE_A_FIXATION = 7;
 int SIGNAL_A1 = 8;
 int SIGNAL_A2 = 9;
+int ROUTE_A_RECALL = 10;
 
 // The two possible positions. Plus is the default, minus the actuated state.
 bool PLUS = true;
 bool MINUS = false;
 
 // The states. All arrays with length 10.
-const int ARRAY_SIZE = 10;
-boolean current_position [ARRAY_SIZE] = { PLUS, PLUS, PLUS, PLUS, PLUS, PLUS, PLUS, PLUS, PLUS, PLUS };
-boolean blocked [ARRAY_SIZE] = { false, false, false, false, false, false, false, false, false, false };
-boolean requirements_fulfilled [ARRAY_SIZE] = { true, true, true, false, false, false, false, false, false, false };
-boolean position_is_ok [ARRAY_SIZE] = { true, true, true, true, true, true, true, true, true, true };
+const int ARRAY_SIZE = 11;
+boolean current_position [ARRAY_SIZE] = { PLUS, PLUS, PLUS, PLUS, PLUS, PLUS, PLUS, PLUS, PLUS, PLUS , PLUS };
+boolean blocked [ARRAY_SIZE] = { false, false, false, false, false, false, false, false, false, false, false};
+boolean requirements_fulfilled [ARRAY_SIZE] = { true, true, true, false, false, false, false, false, false, false, false};
+boolean position_is_ok [ARRAY_SIZE] = { true, true, true, true, true, true, true, true, true, true, true };
 
 
 // Actual levers/buttons/locks.

  update_blocks();
  update_outputs();

  // Special case: signals going back to PLUS free the route fixation.
  // It also marks the related route as disallowed so that the handle
  // shows up as having to change.
  if (number == SIGNAL_A1 || number == SIGNAL_A2) {
    if (new_position == PLUS) {
      if (current_position[ROUTE_A1] == MINUS) {
        position_is_ok[ROUTE_A1] = false;
      }
      if (current_position[ROUTE_A2] == MINUS) {
        position_is_ok[ROUTE_A2] = false;
      }
      change_position(ROUTE_A_FIXATION, PLUS);
    }
  }
}



int PIN_LEVER_ROUTE_BERENBACH2 = 42;
// Push button for route fixing
int PIN_BUTTON_ROUTE_A_FIXATION = 46;
// Switch/lock for route recall
int PIN_LOCK_ROUTE_A_RECALL = 47;

// Output pins (pull to 0 means go out of the ground position)
int PIN_OUTPUT_SWITCH_1 = A1;
int PIN_OUTPUT_SWITCH_5 =A2;
