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#!/usr/bin/env python3
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import sys
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import argparse
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from subprocess import check_output, CalledProcessError
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from panda import Panda
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from panda.python.uds import UdsClient, MessageTimeoutError, SESSION_TYPE, DTC_GROUP_TYPE
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parser = argparse.ArgumentParser(description="clear DTC status")
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parser.add_argument("addr", type=lambda x: int(x,0), nargs="?", default=0x7DF) # default is functional (broadcast) address
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parser.add_argument("--bus", type=int, default=0)
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parser.add_argument('--debug', action='store_true')
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args = parser.parse_args()
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try:
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check_output(["pidof", "boardd"])
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print("boardd is running, please kill openpilot before running this script! (aborted)")
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sys.exit(1)
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except CalledProcessError as e:
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if e.returncode != 1: # 1 == no process found (boardd not running)
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raise e
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panda = Panda()
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panda.set_safety_mode(Panda.SAFETY_ELM327)
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uds_client = UdsClient(panda, args.addr, bus=args.bus, debug=args.debug)
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print("extended diagnostic session ...")
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try:
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uds_client.diagnostic_session_control(SESSION_TYPE.EXTENDED_DIAGNOSTIC)
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except MessageTimeoutError:
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# functional address isn't properly handled so a timeout occurs
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if args.addr != 0x7DF:
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raise
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print("clear diagnostic info ...")
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try:
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uds_client.clear_diagnostic_information(DTC_GROUP_TYPE.ALL)
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except MessageTimeoutError:
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# functional address isn't properly handled so a timeout occurs
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if args.addr != 0x7DF:
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pass
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print("")
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print("you may need to power cycle your vehicle now")
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