Release 260111

selfdrive/debug/clear_dtc.py

@@ -0,0 +1,45 @@
+#!/usr/bin/env python3
+import sys
+import argparse
+from subprocess import check_output, CalledProcessError
+from opendbc.car.carlog import carlog
+from opendbc.car.uds import UdsClient, MessageTimeoutError, SESSION_TYPE, DTC_GROUP_TYPE
+from opendbc.car.structs import CarParams
+from panda import Panda
+
+parser = argparse.ArgumentParser(description="clear DTC status")
+parser.add_argument("addr", type=lambda x: int(x,0), nargs="?", default=0x7DF) # default is functional (broadcast) address
+parser.add_argument("--bus", type=int, default=0)
+parser.add_argument('--debug', action='store_true')
+args = parser.parse_args()
+
+if args.debug:
+  carlog.setLevel('DEBUG')
+
+try:
+  check_output(["pidof", "pandad"])
+  print("pandad is running, please kill openpilot before running this script! (aborted)")
+  sys.exit(1)
+except CalledProcessError as e:
+  if e.returncode != 1: # 1 == no process found (pandad not running)
+    raise e
+
+panda = Panda()
+panda.set_safety_mode(CarParams.SafetyModel.elm327)
+uds_client = UdsClient(panda, args.addr, bus=args.bus)
+print("extended diagnostic session ...")
+try:
+  uds_client.diagnostic_session_control(SESSION_TYPE.EXTENDED_DIAGNOSTIC)
+except MessageTimeoutError:
+  # functional address isn't properly handled so a timeout occurs
+  if args.addr != 0x7DF:
+    raise
+print("clear diagnostic info ...")
+try:
+  uds_client.clear_diagnostic_information(DTC_GROUP_TYPE.ALL)
+except MessageTimeoutError:
+  # functional address isn't properly handled so a timeout occurs
+  if args.addr != 0x7DF:
+    pass
+print("")
+print("you may need to power cycle your vehicle now")