EV6: reject fake cruise engagements (#25143)

* EV6: reject fake cruise engagements

* bump panda

* raise to 8

* update refs

* bump panda

Co-authored-by: Comma Device <device@comma.ai>
old-commit-hash: 44c6ca7eb4c9ea83aca18d4f648764cabdad8861

selfdrive/car/hyundai/carcontroller.py

@@ -82,12 +82,12 @@ class CarController:
       if (self.frame - self.last_button_frame) * DT_CTRL > 0.25:
         if CC.cruiseControl.cancel:
           for _ in range(20):
-            can_sends.append(hda2can.create_buttons(self.packer, CS.buttons_counter+1, True, False))
+            can_sends.append(hda2can.create_buttons(self.packer, CS.buttons_counter+1, Buttons.CANCEL))
           self.last_button_frame = self.frame
 
         # cruise standstill resume
         elif CC.cruiseControl.resume:
-          can_sends.append(hda2can.create_buttons(self.packer, CS.buttons_counter+1, False, True))
+          can_sends.append(hda2can.create_buttons(self.packer, CS.buttons_counter+1, Buttons.RES_ACCEL))
           self.last_button_frame = self.frame
     else:
 

selfdrive/car/hyundai/carstate.py

@@ -8,7 +8,7 @@ from opendbc.can.can_define import CANDefine
 from selfdrive.car.hyundai.values import DBC, FEATURES, HDA2_CAR, EV_CAR, HYBRID_CAR, Buttons, CarControllerParams
 from selfdrive.car.interfaces import CarStateBase
 
-PREV_BUTTON_SAMPLES = 4
+PREV_BUTTON_SAMPLES = 8
 
 
 class CarState(CarStateBase):
@@ -171,7 +171,10 @@ class CarState(CarStateBase):
     speed_factor = CV.MPH_TO_MS if cp.vl["CLUSTER_INFO"]["DISTANCE_UNIT"] == 1 else CV.KPH_TO_MS
     ret.cruiseState.speed = cp.vl["CRUISE_INFO"]["SET_SPEED"] * speed_factor
 
-    self.buttons_counter = cp.vl["CRUISE_BUTTONS"]["_COUNTER"]
+    self.cruise_buttons.extend(cp.vl_all["CRUISE_BUTTONS"]["CRUISE_BUTTONS"])
+    self.main_buttons.extend(cp.vl_all["CRUISE_BUTTONS"]["ADAPTIVE_CRUISE_MAIN_BTN"])
+    self.buttons_counter = cp.vl["CRUISE_BUTTONS"]["COUNTER"]
+
     self.cam_0x2a4 = copy.copy(cp_cam.vl["CAM_0x2a4"])
 
     return ret
@@ -362,7 +365,9 @@ class CarState(CarStateBase):
       ("CRUISE_ACTIVE", "SCC1"),
       ("SET_SPEED", "CRUISE_INFO"),
       ("CRUISE_STANDSTILL", "CRUISE_INFO"),
-      ("_COUNTER", "CRUISE_BUTTONS"),
+      ("COUNTER", "CRUISE_BUTTONS"),
+      ("CRUISE_BUTTONS", "CRUISE_BUTTONS"),
+      ("ADAPTIVE_CRUISE_MAIN_BTN", "CRUISE_BUTTONS"),
 
       ("DISTANCE_UNIT", "CLUSTER_INFO"),
 

selfdrive/car/hyundai/hda2can.py

@@ -18,11 +18,9 @@ def create_cam_0x2a4(packer, frame, camera_values):
   })
   return packer.make_can_msg("CAM_0x2a4", 4, camera_values, frame % 255)
 
-def create_buttons(packer, cnt, cancel, resume):
+def create_buttons(packer, cnt, btn):
   values = {
-    "_COUNTER": cnt % 0xf,
     "SET_ME_1": 1,
-    "DISTANCE_BTN": 1 if resume else 0,
-    "PAUSE_RESUME_BTN": 1 if cancel else 0,
+    "CRUISE_BUTTONS": btn,
   }
-  return packer.make_can_msg("CRUISE_BUTTONS", 5, values)
+  return packer.make_can_msg("CRUISE_BUTTONS", 5, values, cnt % 0xf)

selfdrive/car/hyundai/interface.py

@@ -2,7 +2,7 @@
 from cereal import car
 from panda import Panda
 from common.conversions import Conversions as CV
-from selfdrive.car.hyundai.values import CAR, DBC, HDA2_CAR, EV_CAR, HYBRID_CAR, LEGACY_SAFETY_MODE_CAR, Buttons, CarControllerParams
+from selfdrive.car.hyundai.values import CAR, DBC, EV_CAR, HYBRID_CAR, LEGACY_SAFETY_MODE_CAR, Buttons, CarControllerParams
 from selfdrive.car.hyundai.radar_interface import RADAR_START_ADDR
 from selfdrive.car import STD_CARGO_KG, create_button_enable_events, create_button_event, scale_rot_inertia, scale_tire_stiffness, gen_empty_fingerprint, get_safety_config
 from selfdrive.car.interfaces import CarInterfaceBase
@@ -321,8 +321,7 @@ class CarInterface(CarInterfaceBase):
     # To avoid re-engaging when openpilot cancels, check user engagement intention via buttons
     # Main button also can trigger an engagement on these cars
     allow_enable = any(btn in ENABLE_BUTTONS for btn in self.CS.cruise_buttons) or any(self.CS.main_buttons)
-    allow_enable = allow_enable or self.CP.carFingerprint in HDA2_CAR
-    events = self.create_common_events(ret, pcm_enable=self.CS.CP.pcmCruise, allow_enable=allow_enable or True)
+    events = self.create_common_events(ret, pcm_enable=self.CS.CP.pcmCruise, allow_enable=allow_enable)
 
     if self.CS.brake_error:
       events.add(EventName.brakeUnavailable)

selfdrive/car/hyundai/values.py

@@ -167,7 +167,7 @@ class Buttons:
   RES_ACCEL = 1
   SET_DECEL = 2
   GAP_DIST = 3
-  CANCEL = 4
+  CANCEL = 4  # on newer models, this is a pause/resume button
 
 FINGERPRINTS = {
   CAR.ELANTRA: [{

selfdrive/test/process_replay/ref_commit

@@ -1 +1 @@
-11e721366f1c177a84e6cb8b48171113ac3b54f9
+5efbbdf69e16db3d989bfaf62d10e958e80b9ca2