def fingerprint(logcan, sendcan, has_relay):
if has_relay:
# Vin query only reliably works thorugh OBDII
bus = 1
addr, vin = get_vin(logcan, sendcan, bus)
_, car_fw = get_fw_versions(logcan, sendcan, bus)
else:
vin = VIN_UNKNOWN
_, car_fw = set(), []
cloudlog.warning("VIN %s", vin)
Params().put("CarVin", vin)
finger = gen_empty_fingerprint()
candidate_cars = {i: all_known_cars()
for i in [0, 1]
} # attempt fingerprint on both bus 0 and 1
frame = 0
frame_fingerprint = 10 # 0.1s
car_fingerprint = None
done = False
while not done:
a = messaging.get_one_can(logcan)
for can in a.can:
# need to independently try to fingerprint both bus 0 and 1 to work
# for the combo black_panda and honda_bosch. Ignore extended messages
# and VIN query response.
# Include bus 2 for toyotas to disambiguate cars using camera messages
# (ideally should be done for all cars but we can't for Honda Bosch)
if can.src in range(0, 4):
finger[can.src][can.address] = len(can.dat)
for b in candidate_cars:
if (can.src == b or (only_toyota_left(candidate_cars[b]) and can.src == 2)) and \
can.address < 0x800 and can.address not in [0x7df, 0x7e0, 0x7e8]:
candidate_cars[b] = eliminate_incompatible_cars(
can, candidate_cars[b])
# if we only have one car choice and the time since we got our first
# message has elapsed, exit
for b in candidate_cars:
# Toyota needs higher time to fingerprint, since DSU does not broadcast immediately
if only_toyota_left(candidate_cars[b]):
frame_fingerprint = 100 # 1s
if len(candidate_cars[b]) == 1:
if frame > frame_fingerprint:
# fingerprint done
car_fingerprint = candidate_cars[b][0]
# bail if no cars left or we've been waiting for more than 2s
failed = all(len(cc) == 0
for cc in candidate_cars.values()) or frame > 200
succeeded = car_fingerprint is not None
done = failed or succeeded
frame += 1
cloudlog.warning("fingerprinted %s", car_fingerprint)
return car_fingerprint, finger, vin, car_fw
extra: Any = None
if args.scan:
extra = {}
# Honda
for i in range(256):
extra[(Ecu.unknown, 0x18da00f1 + (i << 8), None)] = []
extra[(Ecu.unknown, 0x700 + i, None)] = []
extra[(Ecu.unknown, 0x750, i)] = []
extra = {"any": {"debug": extra}}
time.sleep(1.)
t = time.time()
print("Getting vin...")
addr, vin = get_vin(logcan, sendcan, 1, retry=10, debug=args.debug)
print(f"VIN: {vin}")
print("Getting VIN took %.3f s" % (time.time() - t))
print()
t = time.time()
fw_vers = get_fw_versions(logcan, sendcan, 1, extra=extra, debug=args.debug, progress=True)
_, candidates = match_fw_to_car(fw_vers)
print()
print("Found FW versions")
print("{")
for version in fw_vers:
subaddr = None if version.subAddress == 0 else hex(version.subAddress)
print(f" (Ecu.{version.ecu}, {hex(version.address)}, {subaddr}): [{version.fwVersion}]")
print("}")
def fingerprint(logcan, sendcan):
fixed_fingerprint = os.environ.get('FINGERPRINT', "")
skip_fw_query = os.environ.get('SKIP_FW_QUERY', False)
if not fixed_fingerprint and not skip_fw_query:
# Vin query only reliably works thorugh OBDII
bus = 1
cached_params = Params().get("CarParamsCache")
if cached_params is not None:
cached_params = car.CarParams.from_bytes(cached_params)
if cached_params.carName == "mock":
cached_params = None
if cached_params is not None and len(
cached_params.carFw
) > 0 and cached_params.carVin is not VIN_UNKNOWN:
cloudlog.warning("Using cached CarParams")
vin = cached_params.carVin
car_fw = list(cached_params.carFw)
else:
cloudlog.warning("Getting VIN & FW versions")
_, vin = get_vin(logcan, sendcan, bus)
car_fw = get_fw_versions(logcan, sendcan, bus)
fw_candidates = match_fw_to_car(car_fw)
else:
vin = VIN_UNKNOWN
fw_candidates, car_fw = set(), []
cloudlog.warning("VIN %s", vin)
Params().put("CarVin", vin)
finger = gen_empty_fingerprint()
candidate_cars = {i: all_known_cars()
for i in [0, 1]
} # attempt fingerprint on both bus 0 and 1
frame = 0
frame_fingerprint = 10 # 0.1s
car_fingerprint = None
done = False
while not done:
a = get_one_can(logcan)
for can in a.can:
# need to independently try to fingerprint both bus 0 and 1 to work
# for the combo black_panda and honda_bosch. Ignore extended messages
# and VIN query response.
# Include bus 2 for toyotas to disambiguate cars using camera messages
# (ideally should be done for all cars but we can't for Honda Bosch)
if can.src in range(0, 4):
finger[can.src][can.address] = len(can.dat)
for b in candidate_cars:
if (can.src == b or (only_toyota_left(candidate_cars[b]) and can.src == 2)) and \
can.address < 0x800 and can.address not in [0x7df, 0x7e0, 0x7e8]:
candidate_cars[b] = eliminate_incompatible_cars(
can, candidate_cars[b])
# if we only have one car choice and the time since we got our first
# message has elapsed, exit
for b in candidate_cars:
# Toyota needs higher time to fingerprint, since DSU does not broadcast immediately
if only_toyota_left(candidate_cars[b]):
frame_fingerprint = 100 # 1s
if len(candidate_cars[b]) == 1 and frame > frame_fingerprint:
# fingerprint done
car_fingerprint = candidate_cars[b][0]
# bail if no cars left or we've been waiting for more than 2s
failed = all(len(cc) == 0
for cc in candidate_cars.values()) or frame > 200
succeeded = car_fingerprint is not None
done = failed or succeeded
frame += 1
source = car.CarParams.FingerprintSource.can
# If FW query returns exactly 1 candidate, use it
if len(fw_candidates) == 1:
car_fingerprint = list(fw_candidates)[0]
source = car.CarParams.FingerprintSource.fw
if fixed_fingerprint:
car_fingerprint = fixed_fingerprint
source = car.CarParams.FingerprintSource.fixed
cloudlog.warning("fingerprinted %s", car_fingerprint)
return car_fingerprint, finger, vin, car_fw, source
def fingerprint(logcan, sendcan):
fixed_fingerprint = os.environ.get('FINGERPRINT', "")
skip_fw_query = os.environ.get('SKIP_FW_QUERY', False)
if not fixed_fingerprint and not skip_fw_query:
# Vin query only reliably works thorugh OBDII
bus = 1
cached_params = Params().get("CarParamsCache")
if cached_params is not None:
cached_params = car.CarParams.from_bytes(cached_params)
if cached_params.carName == "mock":
cached_params = None
if cached_params is not None and len(cached_params.carFw) > 0 and cached_params.carVin is not VIN_UNKNOWN:
cloudlog.warning("Using cached CarParams")
vin = cached_params.carVin
car_fw = list(cached_params.carFw)
else:
cloudlog.warning("Getting VIN & FW versions")
_, vin = get_vin(logcan, sendcan, bus)
car_fw = get_fw_versions(logcan, sendcan)
exact_fw_match, fw_candidates = match_fw_to_car(car_fw)
else:
vin = VIN_UNKNOWN
exact_fw_match, fw_candidates, car_fw = True, set(), []
cloudlog.warning("VIN %s", vin)
Params().put("CarVin", vin)
finger = gen_empty_fingerprint()
candidate_cars = {i: all_legacy_fingerprint_cars() for i in [0, 1]} # attempt fingerprint on both bus 0 and 1
frame = 0
frame_fingerprint = 10 # 0.1s
car_fingerprint = None
done = False
while not done:
a = get_one_can(logcan)
for can in a.can:
# The fingerprint dict is generated for all buses, this way the car interface
# can use it to detect a (valid) multipanda setup and initialize accordingly
if can.src < 128:
if can.src not in finger:
finger[can.src] = {}
finger[can.src][can.address] = len(can.dat)
for b in candidate_cars:
# Ignore extended messages and VIN query response.
if can.src == b and can.address < 0x800 and can.address not in (0x7df, 0x7e0, 0x7e8):
candidate_cars[b] = eliminate_incompatible_cars(can, candidate_cars[b])
# if we only have one car choice and the time since we got our first
# message has elapsed, exit
for b in candidate_cars:
if len(candidate_cars[b]) == 1 and frame > frame_fingerprint:
# fingerprint done
car_fingerprint = candidate_cars[b][0]
# bail if no cars left or we've been waiting for more than 2s
failed = (all(len(cc) == 0 for cc in candidate_cars.values()) and frame > frame_fingerprint) or frame > 200
succeeded = car_fingerprint is not None
done = failed or succeeded
frame += 1
exact_match = True
source = car.CarParams.FingerprintSource.can
# If FW query returns exactly 1 candidate, use it
if len(fw_candidates) == 1:
car_fingerprint = list(fw_candidates)[0]
source = car.CarParams.FingerprintSource.fw
exact_match = exact_fw_match
if fixed_fingerprint:
car_fingerprint = fixed_fingerprint
source = car.CarParams.FingerprintSource.fixed
cloudlog.event("fingerprinted", car_fingerprint=car_fingerprint,
source=source, fuzzy=not exact_match, fw_count=len(car_fw))
return car_fingerprint, finger, vin, car_fw, source, exact_match
def fingerprint(logcan, sendcan, has_relay):
params = Params()
car_params = params.get("CarParams")
if not travis:
cached_fingerprint = params.get('CachedFingerprint')
else:
cached_fingerprint = None
if car_params is not None:
car_params = car.CarParams.from_bytes(car_params)
fixed_fingerprint = os.environ.get('FINGERPRINT', "")
skip_fw_query = os.environ.get('SKIP_FW_QUERY', False)
if has_relay and not fixed_fingerprint and not skip_fw_query:
# Vin query only reliably works thorugh OBDII
bus = 1
cached_params = Params().get("CarParamsCache")
if cached_params is not None:
cached_params = car.CarParams.from_bytes(cached_params)
if cached_params.carName == "mock":
cached_params = None
if cached_params is not None and len(cached_params.carFw) > 0 and cached_params.carVin is not VIN_UNKNOWN:
cloudlog.warning("Using cached CarParams")
vin = cached_params.carVin
car_fw = list(cached_params.carFw)
else:
cloudlog.warning("Getting VIN & FW versions")
_, vin = get_vin(logcan, sendcan, bus)
car_fw = get_fw_versions(logcan, sendcan, bus)
fw_candidates = match_fw_to_car(car_fw)
else:
vin = VIN_UNKNOWN
fw_candidates, car_fw = set(), []
cloudlog.warning("VIN %s", vin)
Params().put("CarVin", vin)
finger = gen_empty_fingerprint()
candidate_cars = {i: all_known_cars() for i in [0, 1]} # attempt fingerprint on both bus 0 and 1
frame = 0
frame_fingerprint = 10 # 0.1s
car_fingerprint = None
done = False
if cached_fingerprint is not None and use_car_caching: # if we previously identified a car and fingerprint and user hasn't disabled caching
cached_fingerprint = json.loads(cached_fingerprint)
if cached_fingerprint[0] is None or len(cached_fingerprint) < 3:
params.delete('CachedFingerprint')
else:
finger[0] = {int(key): value for key, value in cached_fingerprint[2].items()}
source = car.CarParams.FingerprintSource.can
return (str(cached_fingerprint[0]), finger, vin, car_fw, cached_fingerprint[1])
while not done:
a = messaging.get_one_can(logcan)
for can in a.can:
# need to independently try to fingerprint both bus 0 and 1 to work
# for the combo black_panda and honda_bosch. Ignore extended messages
# and VIN query response.
# Include bus 2 for toyotas to disambiguate cars using camera messages
# (ideally should be done for all cars but we can't for Honda Bosch)
if can.src in range(0, 4):
finger[can.src][can.address] = len(can.dat)
for b in candidate_cars:
if (can.src == b or (only_toyota_left(candidate_cars[b]) and can.src == 2)) and \
can.address < 0x800 and can.address not in [0x7df, 0x7e0, 0x7e8]:
candidate_cars[b] = eliminate_incompatible_cars(can, candidate_cars[b])
# if we only have one car choice and the time since we got our first
# message has elapsed, exit
for b in candidate_cars:
# Toyota needs higher time to fingerprint, since DSU does not broadcast immediately
if only_toyota_left(candidate_cars[b]):
frame_fingerprint = 100 # 1s
if len(candidate_cars[b]) == 1:
if frame > frame_fingerprint:
# fingerprint done
car_fingerprint = candidate_cars[b][0]
elif len(candidate_cars[b]) < 4: # For the RAV4 2019 and Corolla 2020 LE Fingerprint problem
if frame > 180:
if any(("TOYOTA COROLLA TSS2 2019" in c) for c in candidate_cars[b]):
car_fingerprint = "TOYOTA COROLLA TSS2 2019"
if any(("TOYOTA COROLLA HYBRID TSS2 2019" in c) for c in candidate_cars[b]):
car_fingerprint = "TOYOTA COROLLA HYBRID TSS2 2019"
if any(("HYUNDAI IONIQ ELECTRIC LIMITED 2019" in c) for c in candidate_cars[b]):
car_fingerprint = "HYUNDAI IONIQ ELECTRIC LIMITED 2019"
# bail if no cars left or we've been waiting for more than 2s
failed = all(len(cc) == 0 for cc in candidate_cars.values()) or frame > 200
succeeded = car_fingerprint is not None
done = failed or succeeded
frame += 1
source = car.CarParams.FingerprintSource.can
# If FW query returns exactly 1 candidate, use it
if len(fw_candidates) == 1:
car_fingerprint = list(fw_candidates)[0]
source = car.CarParams.FingerprintSource.fw
if fixed_fingerprint:
car_fingerprint = fixed_fingerprint
source = car.CarParams.FingerprintSource.fixed
cloudlog.warning("fingerprinted %s", car_fingerprint)
params.put("CachedFingerprint", json.dumps([car_fingerprint, source, {int(key): value for key, value in finger[0].items()}]))
return car_fingerprint, finger, vin, car_fw, source
def fingerprint(logcan, sendcan, has_relay):
params = Params()
car_params = params.get("CarParams")
if not travis:
cached_fingerprint = params.get('CachedFingerprint')
else:
cached_fingerprint = None
if car_params is not None:
# use already stored VIN: a new VIN query cannot be done, since panda isn't in ELM327 mode
car_params = car.CarParams.from_bytes(car_params)
vin = VIN_UNKNOWN if car_params.carVin == "" else car_params.carVin
elif has_relay:
# Vin query only reliably works thorugh OBDII
vin = get_vin(logcan, sendcan, 1)
else:
vin = VIN_UNKNOWN
cloudlog.warning("VIN %s", vin)
Params().put("CarVin", vin)
finger = gen_empty_fingerprint()
candidate_cars = {i: all_known_cars()
for i in [0, 1]
} # attempt fingerprint on both bus 0 and 1
frame = 0
frame_fingerprint = 10 # 0.1s
car_fingerprint = None
done = False
if cached_fingerprint is not None and use_car_caching: # if we previously identified a car and fingerprint and user hasn't disabled caching
cached_fingerprint = json.loads(cached_fingerprint)
finger[0] = {
key: value
for key, value in cached_fingerprint[1].items()
}
return (str(cached_fingerprint[0]), finger, vin)
while not done:
a = get_one_can(logcan)
for can in a.can:
# need to independently try to fingerprint both bus 0 and 1 to work
# for the combo black_panda and honda_bosch. Ignore extended messages
# and VIN query response.
# Include bus 2 for toyotas to disambiguate cars using camera messages
# (ideally should be done for all cars but we can't for Honda Bosch)
if can.src in range(0, 4):
finger[can.src][can.address] = len(can.dat)
for b in candidate_cars:
if (can.src == b or (only_toyota_left(candidate_cars[b]) and can.src == 2)) and \
can.address < 0x800 and can.address not in [0x7df, 0x7e0, 0x7e8]:
candidate_cars[b] = eliminate_incompatible_cars(
can, candidate_cars[b])
# if we only have one car choice and the time since we got our first
# message has elapsed, exit
for b in candidate_cars:
# Toyota needs higher time to fingerprint, since DSU does not broadcast immediately
if only_toyota_left(candidate_cars[b]):
frame_fingerprint = 100 # 1s
if len(candidate_cars[b]) == 1:
if frame > frame_fingerprint:
# fingerprint done
car_fingerprint = candidate_cars[b][0]
# bail if no cars left or we've been waiting for more than 2s
failed = all(len(cc) == 0
for cc in candidate_cars.values()) or frame > 200
succeeded = car_fingerprint is not None
done = failed or succeeded
frame += 1
cloudlog.warning("fingerprinted %s", car_fingerprint)
params.put(
"CachedFingerprint",
json.dumps([
car_fingerprint,
{int(key): value
for key, value in finger[0].items()}
]))
return car_fingerprint, finger, vin
