Files
dragonpilot/selfdrive/car/disable_ecu.py
Dragonpilot Team 4d7a40310f dragonpilot 2022-08-11T09:38:43 for EON/C2
version: dragonpilot v0.8.16 beta for EON/C2
date: 2022-08-11T09:38:43
dp-dev(priv2) master commit: c6cd233f23f60e7a6055d42850bc593c0e69082e
2022-08-11 09:48:37 +00:00

49 lines
1.6 KiB
Python
Executable File

from selfdrive.car.isotp_parallel_query import IsoTpParallelQuery
from system.swaglog import cloudlog
EXT_DIAG_REQUEST = b'\x10\x03'
EXT_DIAG_RESPONSE = b'\x50\x03'
COM_CONT_RESPONSE = b''
def disable_ecu(logcan, sendcan, bus=0, addr=0x7d0, com_cont_req=b'\x28\x83\x01', timeout=0.1, retry=10, debug=False):
"""Silence an ECU by disabling sending and receiving messages using UDS 0x28.
The ECU will stay silent as long as openpilot keeps sending Tester Present.
This is used to disable the radar in some cars. Openpilot will emulate the radar.
WARNING: THIS DISABLES AEB!"""
cloudlog.warning(f"ecu disable {hex(addr)} ...")
for i in range(retry):
try:
query = IsoTpParallelQuery(sendcan, logcan, bus, [addr], [EXT_DIAG_REQUEST], [EXT_DIAG_RESPONSE], debug=debug)
for _, _ in query.get_data(timeout).items():
cloudlog.warning("communication control disable tx/rx ...")
query = IsoTpParallelQuery(sendcan, logcan, bus, [addr], [com_cont_req], [COM_CONT_RESPONSE], debug=debug)
query.get_data(0)
cloudlog.warning("ecu disabled")
return True
except Exception:
cloudlog.exception("ecu disable exception")
print(f"ecu disable retry ({i+1}) ...")
cloudlog.warning("ecu disable failed")
return False
if __name__ == "__main__":
import time
import cereal.messaging as messaging
sendcan = messaging.pub_sock('sendcan')
logcan = messaging.sub_sock('can')
time.sleep(1)
# honda bosch radar disable
disabled = disable_ecu(logcan, sendcan, bus=1, addr=0x18DAB0F1, com_cont_req=b'\x28\x83\x03', timeout=0.5, debug=False)
print(f"disabled: {disabled}")