40 lines
1.5 KiB
Python
Executable File
40 lines
1.5 KiB
Python
Executable File
#!/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 opendbc.car.carlog import carlog
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from opendbc.car.uds import UdsClient, SESSION_TYPE, DTC_REPORT_TYPE, DTC_STATUS_MASK_TYPE, get_dtc_num_as_str, get_dtc_status_names
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from opendbc.car.structs import CarParams
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from panda import Panda
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parser = argparse.ArgumentParser(description="read DTC status")
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parser.add_argument("addr", type=lambda x: int(x,0))
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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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if args.debug:
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carlog.setLevel('DEBUG')
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try:
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check_output(["pidof", "pandad"])
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print("pandad 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 (pandad not running)
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raise e
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panda = Panda()
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panda.set_safety_mode(CarParams.SafetyModel.elm327)
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uds_client = UdsClient(panda, args.addr, bus=args.bus)
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print("extended diagnostic session ...")
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uds_client.diagnostic_session_control(SESSION_TYPE.EXTENDED_DIAGNOSTIC)
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print("read diagnostic codes ...")
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data = uds_client.read_dtc_information(DTC_REPORT_TYPE.DTC_BY_STATUS_MASK, DTC_STATUS_MASK_TYPE.ALL)
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print("status availability:", " ".join(get_dtc_status_names(data[0])))
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print("DTC status:")
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for i in range(1, len(data), 4):
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dtc_num = get_dtc_num_as_str(data[i:i+3])
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dtc_status = " ".join(get_dtc_status_names(data[i+3]))
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print(dtc_num, dtc_status)
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