show fixed lead car if lead visible

selfdrive/car/volkswagen/carcontroller.py

@@ -80,7 +80,7 @@ class CarController():
       if frame % P.ACC_HUD_STEP == 0:
         idx = (frame / P.ACC_HUD_STEP) % 16
         can_sends.append(volkswagencan.create_mqb_acc_hud_control(self.packer_pt, CANBUS.pt, CS.tsk_status,
-                                                                  set_speed * CV.MS_TO_KPH, speed_visible, idx))
+                                                                  set_speed * CV.MS_TO_KPH, speed_visible, lead_visible, idx))
 
     # **** Steering Controls ************************************************ #
 

selfdrive/car/volkswagen/volkswagencan.py

@@ -83,12 +83,13 @@ def create_mqb_acc_07_control(packer, bus, enabled, accel, acc_stopping, acc_sta
 
   return packer.make_can_msg("ACC_07", bus, values, idx)
 
-def create_mqb_acc_hud_control(packer, bus, acc_status, set_speed, speed_visible, idx):
+def create_mqb_acc_hud_control(packer, bus, acc_status, set_speed, speed_visible, lead_visible, idx):
   values = {
     "ACC_Status_Anzeige": acc_status,
     "ACC_Wunschgeschw": 327.36 if not speed_visible else set_speed,
     "ACC_Gesetzte_Zeitluecke": 3,
-    "ACC_Display_Prio": 3
+    "ACC_Display_Prio": 3,
+    "ACC_Abstandsindex": 637 if lead_visible else 0,
   }
 
   return packer.make_can_msg("ACC_02", bus, values, idx)