Files
sunnypilot/selfdrive/car/disable_ecu.py
Shane Smiskol 9c7e9f292d disable_ecu.py: remove duplicate file (#25154)
* remove duplicate function

* make executable
old-commit-hash: 18f2a50501
2022-07-13 12:43:36 -07:00

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}")