Files
dragonpilot/selfdrive/car/disable_ecu.py
Adeeb Shihadeh a9626f95b6 add openpilot prefix to imports (#29498)
* add openpilot prefix to imports

* more

* more

* fix docs

* fix linter

* bump submodules

* fix patched tests

* update dynamic imports

* debug

* Revert "debug"

This reverts commit db5e13b9911cc74438bee123bc3430da6c31b24b.

* fix pm test
2023-08-20 20:49:55 -07:00

49 lines
1.7 KiB
Python
Executable File

from openpilot.selfdrive.car.isotp_parallel_query import IsoTpParallelQuery
from openpilot.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, sub_addr=None, 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), sub_addr} ...")
for i in range(retry):
try:
query = IsoTpParallelQuery(sendcan, logcan, bus, [(addr, sub_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, sub_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")
cloudlog.error(f"ecu disable retry ({i + 1}) ...")
cloudlog.error("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}")