GM: detect unplugged or missing radar (#27245)

* Add flashed Volt fingerprint

* Add another fingerprint

* Detect radar header message

* dashcamOnly if ASCM vehicle with radar unavailable

May be able to change this in the future to OP long off with experimental long available

* no submodule update

* Revert minEnableSpeed

* combine into one fingerprint

* Don't use GM radar DBC

Co-authored-by: Shane Smiskol <shane@smiskol.com>

* unused

* add new FP

* update docs

* use_off_car_defaults

use_off_car_defaults

* update docs

---------

Co-authored-by: Shane Smiskol <shane@smiskol.com>
old-commit-hash: c3ba2a025b

selfdrive/car/gm/interface.py

@@ -6,7 +6,8 @@ from panda import Panda
 from common.numpy_fast import interp
 from common.conversions import Conversions as CV
 from selfdrive.car import STD_CARGO_KG, create_button_event, scale_tire_stiffness, get_safety_config
-from selfdrive.car.gm.values import CAR, CruiseButtons, CarControllerParams, EV_CAR, CAMERA_ACC_CAR
+from selfdrive.car.gm.radar_interface import RADAR_HEADER_MSG
+from selfdrive.car.gm.values import CAR, CruiseButtons, CarControllerParams, EV_CAR, CAMERA_ACC_CAR, CanBus
 from selfdrive.car.interfaces import CarInterfaceBase, TorqueFromLateralAccelCallbackType, FRICTION_THRESHOLD
 from selfdrive.controls.lib.drive_helpers import apply_center_deadzone
 
@@ -87,6 +88,7 @@ class CarInterface(CarInterfaceBase):
     ret.carName = "gm"
     ret.safetyConfigs = [get_safety_config(car.CarParams.SafetyModel.gm)]
     ret.autoResumeSng = False
+    use_off_car_defaults = len(fingerprint[0]) == 0  # Pick sensible carParams during offline doc generation/CI jobs
 
     if candidate in EV_CAR:
       ret.transmissionType = TransmissionType.direct
@@ -125,7 +127,7 @@ class CarInterface(CarInterfaceBase):
     else:  # ASCM, OBD-II harness
       ret.openpilotLongitudinalControl = True
       ret.networkLocation = NetworkLocation.gateway
-      ret.radarUnavailable = False
+      ret.radarUnavailable = RADAR_HEADER_MSG not in fingerprint[CanBus.OBSTACLE] and not use_off_car_defaults
       ret.pcmCruise = False  # stock non-adaptive cruise control is kept off
       # supports stop and go, but initial engage must (conservatively) be above 18mph
       ret.minEnableSpeed = 18 * CV.MPH_TO_MS
@@ -138,7 +140,8 @@ class CarInterface(CarInterfaceBase):
     # These cars have been put into dashcam only due to both a lack of users and test coverage.
     # These cars likely still work fine. Once a user confirms each car works and a test route is
     # added to selfdrive/car/tests/routes.py, we can remove it from this list.
-    ret.dashcamOnly = candidate in {CAR.CADILLAC_ATS, CAR.HOLDEN_ASTRA, CAR.MALIBU, CAR.BUICK_REGAL, CAR.EQUINOX}
+    ret.dashcamOnly = candidate in {CAR.CADILLAC_ATS, CAR.HOLDEN_ASTRA, CAR.MALIBU, CAR.BUICK_REGAL, CAR.EQUINOX} or \
+                      (ret.networkLocation == NetworkLocation.gateway and ret.radarUnavailable)
 
     # Start with a baseline tuning for all GM vehicles. Override tuning as needed in each model section below.
     ret.lateralTuning.pid.kiBP, ret.lateralTuning.pid.kpBP = [[0.], [0.]]

selfdrive/car/gm/values.py

@@ -151,6 +151,10 @@ FINGERPRINTS = {
   # Volt Premier w/ ACC 2018
   {
     170: 8, 171: 8, 189: 7, 190: 6, 193: 8, 197: 8, 199: 4, 201: 8, 209: 7, 211: 2, 241: 6, 288: 5, 298: 8, 304: 1, 308: 4, 309: 8, 311: 8, 313: 8, 320: 3, 328: 1, 352: 5, 381: 6, 384: 4, 386: 8, 388: 8, 389: 2, 390: 7, 417: 7, 419: 1, 426: 7, 451: 8, 452: 8, 453: 6, 454: 8, 456: 8, 479: 3, 481: 7, 485: 8, 489: 8, 493: 8, 495: 4, 497: 8, 499: 3, 500: 6, 501: 8, 508: 8, 528: 4, 532: 6, 546: 7, 550: 8, 554: 3, 558: 8, 560: 8, 562: 8, 563: 5, 564: 5, 565: 5, 566: 5, 567: 3, 568: 1, 573: 1, 577: 8, 578: 8, 608: 8, 609: 6, 610: 6, 611: 6, 612: 8, 613: 8, 647: 3, 707: 8, 711: 6, 715: 8, 717: 5, 761: 7, 810: 8, 840: 5, 842: 5, 844: 8, 866: 4, 869: 4, 880: 6, 961: 8, 967: 4, 969: 8, 977: 8, 979: 7, 988: 6, 989: 8, 995: 7, 1001: 8, 1005: 6, 1009: 8, 1017: 8, 1019: 2, 1020: 8, 1033: 7, 1034: 7, 1105: 6, 1187: 4, 1217: 8, 1221: 5, 1223: 3, 1225: 7, 1227: 4, 1233: 8, 1249: 8, 1257: 6, 1265: 8, 1267: 1, 1273: 3, 1275: 3, 1280: 4, 1296: 4, 1300: 8, 1322: 6, 1323: 4, 1328: 4, 1417: 8, 1516: 8, 1601: 8, 1618: 8, 1905: 7, 1906: 7, 1907: 7, 1910: 7, 1912: 7, 1922: 7, 1927: 7, 1930: 7, 2016: 8, 2018: 8, 2020: 8, 2024: 8, 2028: 8
+  },
+  # Volt Premier 2018 w/ flashed firmware, no radar
+  {
+    170: 8, 171: 8, 189: 7, 190: 6, 192: 5, 193: 8, 197: 8, 199: 4, 201: 6, 209: 7, 211: 2, 241: 6, 288: 5, 289: 1, 290: 1, 298: 2, 304: 1, 308: 4, 309: 8, 311: 8, 313: 8, 320: 3, 328: 1, 352: 5, 368: 8, 381: 2, 384: 8, 386: 5, 388: 8, 389: 2, 390: 7, 417: 7, 419: 1, 426: 7, 451: 8, 452: 8, 453: 6, 454: 8, 456: 8, 458: 8, 479: 3, 481: 7, 485: 8, 489: 5, 493: 8, 495: 4, 497: 8, 499: 3, 500: 6, 501: 3, 508: 8, 512: 3, 528: 4, 530: 8, 532: 6, 537: 5, 539: 8, 542: 7, 546: 7, 550: 8, 554: 3, 558: 8, 560: 6, 562: 4, 563: 5, 564: 5, 565: 5, 566: 5, 567: 3, 568: 1, 573: 1, 608: 8, 609: 6, 610: 6, 611: 6, 612: 8, 613: 8, 647: 3, 707: 8, 711: 6, 761: 7, 810: 8, 821: 4, 823: 7, 832: 8, 840: 5, 842: 5, 844: 8, 853: 8, 866: 4, 961: 8, 967: 4, 969: 8, 977: 8, 979: 7, 988: 6, 989: 8, 995: 7, 1001: 5, 1003: 5, 1005: 6, 1009: 8, 1017: 8, 1019: 2, 1020: 8, 1033: 7, 1034: 7, 1105: 6, 1187: 4, 1217: 8, 1221: 5, 1223: 3, 1225: 7, 1227: 4, 1233: 8, 1249: 8, 1257: 6, 1265: 8, 1267: 1, 1273: 3, 1275: 3, 1280: 4, 1300: 8, 1322: 6, 1323: 4, 1328: 4, 1417: 8, 1905: 7, 1906: 7, 1907: 7, 1910: 7, 1912: 7, 1922: 7, 1927: 7
   }],
   CAR.BUICK_REGAL : [
   # Regal TourX Essence w/ ACC 2018