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41 lines
1.4 KiB
41 lines
1.4 KiB
5 years ago
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#!/usr/bin/env python3
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import traceback
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import cereal.messaging as messaging
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from selfdrive.car.isotp_parallel_query import IsoTpParallelQuery
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from selfdrive.swaglog import cloudlog
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EXT_DIAG_REQUEST = b'\x10\x03'
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EXT_DIAG_RESPONSE = b'\x50\x03'
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COM_CONT_REQUEST = b'\x28\x83\x03'
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COM_CONT_RESPONSE = b''
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def disable_ecu(ecu_addr, logcan, sendcan, bus, timeout=0.1, retry=5, debug=False):
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print(f"ecu disable {hex(ecu_addr)} ...")
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for i in range(retry):
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try:
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# enter extended diagnostic session
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query = IsoTpParallelQuery(sendcan, logcan, bus, [ecu_addr], [EXT_DIAG_REQUEST], [EXT_DIAG_RESPONSE], debug=debug)
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for addr, dat in query.get_data(timeout).items(): # pylint: disable=unused-variable
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print("ecu communication control disable tx/rx ...")
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# communication control disable tx and rx
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query = IsoTpParallelQuery(sendcan, logcan, bus, [ecu_addr], [COM_CONT_REQUEST], [COM_CONT_RESPONSE], debug=debug)
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query.get_data(0)
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return True
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print(f"ecu disable retry ({i+1}) ...")
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except Exception:
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cloudlog.warning(f"ecu disable exception: {traceback.format_exc()}")
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return False
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if __name__ == "__main__":
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import time
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sendcan = messaging.pub_sock('sendcan')
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logcan = messaging.sub_sock('can')
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time.sleep(1)
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# honda bosch radar disable
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disabled = disable_ecu(0x18DAB0F1, logcan, sendcan, 1, debug=False)
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print(f"disabled: {disabled}")
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