openpilot is an open source driver assistance system. openpilot performs the functions of Automated Lane Centering and Adaptive Cruise Control for over 200 supported car makes and models.
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#!/usr/bin/env python3
import re
import random
from cereal import car
from selfdrive.car.hyundai.values import FW_VERSIONS, match_fw_to_hyundai_fuzzy
Ecu = car.CarParams.Ecu
platform_codes = set()
# these ecus are available on all cars (even CAN FD with no OBD fingerprinting)
fw_keys = [(Ecu.fwdCamera, 0x7c4, None), (Ecu.fwdRadar, 0x7d0, None)]
RADAR_REGEX = br'([A-Z]+[A-Z0-9]*)'
def get_platform_codes(car_fw):
radar_codes = set()
camera_codes = set()
if (Ecu.fwdRadar, 0x7d0, None) in car_fw:
for fw in car_fw[(Ecu.fwdRadar, 0x7d0, None)]:
start_idx = fw.index(b'\xf1\x00')
fw = fw[start_idx + 2:][:4]
# code = re.match(RADAR_REGEX, fw).group(0) # TODO: check NONE, or have a test
# radar_code_variant = fw[len(code):4].replace(b'_', b'').replace(b' ', b'')
radar_code = fw[:4].replace(b" ", b"").replace(b"_", b"")
radar_codes.add(radar_code)
# codes.add((code, radar_code_variant))
for fw in car_fw[(Ecu.fwdCamera, 0x7c4, None)]:
start_idx = fw.index(b'\xf1\x00')
fw = fw[start_idx + 2:][:4]
# code = re.match(RADAR_REGEX, fw).group(0) # TODO: check NONE, or have a test
# radar_code_variant = fw[len(code):4].replace(b'_', b'').replace(b' ', b'')
radar_code = fw[:4].replace(b" ", b"").replace(b"_", b"")
camera_codes.add(radar_code)
# codes.add((code, radar_code_variant))
return radar_codes, camera_codes
# return codes
for car, car_fw in FW_VERSIONS.items():
radar_codes, camera_codes = get_platform_codes(car_fw)
print(f"{car:36}: radar: {radar_codes}, camera: {camera_codes}")
issue = set()
for i in range(200):
for car, versions in FW_VERSIONS.items():
if 'HYUNDAI GENESIS' in car:
continue
versions = {(ecu[1], ecu[2]): [random.choice(fws)] for ecu, fws in versions.items()}
# print(versions)
ret = match_fw_to_hyundai_fuzzy(versions)
# is_exact, ret = match_fw_to_car(versions, allow_exact=False)
# ret = match_fw_to_car_fuzzy(versions, config=None)
if len(ret) != 1:
print(f'Not one match! {car=}: {ret=}')
issue.add(car)
elif list(ret)[0] != car:
print(f'Matched to wrong car! real: {car}, match: {ret}')
issue.add(car)
print()
print('bad:', issue)
print()
print('good:', set(FW_VERSIONS) - issue)
# raise Exception