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							40 lines
						
					
					
						
							1.4 KiB
						
					
					
				
			
		
		
	
	
							40 lines
						
					
					
						
							1.4 KiB
						
					
					
				#!/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=0.5, 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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