def GMLAN_InitDiagnostics(sock, broadcast_socket=None, timeout=None, verbose=None, retry=0): # noqa: E501
# type: (ISOTPSocket, Optional[ISOTPSocket], Optional[int], Optional[bool], int) -> bool # noqa: E501
""" Send messages to put an ECU into diagnostic/programming state.
:param sock: socket for communication.
:param broadcast_socket: socket for broadcasting. If provided some message
will be sent as broadcast. Recommended when used
on a network with several ECUs.
:param timeout: timeout for sending, receiving or sniffing packages.
:param verbose: set verbosity level
:param retry: number of retries in case of failure.
:return: True on success else False
"""
# Helper function
def _send_and_check_response(sock, req, timeout, verbose):
# type: (ISOTPSocket, Packet, Optional[int], Optional[bool]) -> bool
if verbose:
print("Sending %s" % repr(req))
resp = sock.sr1(req, timeout=timeout, verbose=False)
return _check_response(resp, verbose)
if verbose is None:
verbose = conf.verb > 0
retry = abs(retry)
while retry >= 0:
retry -= 1
# DisableNormalCommunication
p = GMLAN(service="DisableNormalCommunication")
if broadcast_socket is None:
if not _send_and_check_response(sock, p, timeout, verbose):
continue
else:
if verbose:
print("Sending %s as broadcast" % repr(p))
broadcast_socket.send(p)
time.sleep(0.05)
# ReportProgrammedState
p = GMLAN(service="ReportProgrammingState")
if not _send_and_check_response(sock, p, timeout, verbose):
continue
# ProgrammingMode requestProgramming
p = GMLAN() / GMLAN_PM(subfunction="requestProgrammingMode")
if not _send_and_check_response(sock, p, timeout, verbose):
continue
time.sleep(0.05)
# InitiateProgramming enableProgramming
# No response expected
p = GMLAN() / GMLAN_PM(subfunction="enableProgrammingMode")
if verbose:
print("Sending %s" % repr(p))
sock.send(p)
time.sleep(0.05)
return True
return False
def GMLAN_InitDiagnostics(sock,
broadcastsocket=None,
timeout=None,
verbose=None,
retry=0):
"""Send messages to put an ECU into an diagnostic/programming state.
Args:
sock: socket to send the message on.
broadcast: socket for broadcasting. If provided some message will be
sent as broadcast. Recommended when used on a network with
several ECUs.
timeout: timeout for sending, receiving or sniffing packages.
verbose: set verbosity level
retry: number of retries in case of failure.
Returns true on success.
"""
if verbose is None:
verbose = conf.verb
retry = abs(retry)
while retry >= 0:
retry -= 1
# DisableNormalCommunication
p = GMLAN(service="DisableNormalCommunication")
if broadcastsocket is None:
if not _send_and_check_response(sock, p, timeout, verbose):
continue
else:
if verbose:
print("Sending %s as broadcast" % repr(p))
broadcastsocket.send(p)
time.sleep(0.05)
# ReportProgrammedState
p = GMLAN(service="ReportProgrammingState")
if not _send_and_check_response(sock, p, timeout, verbose):
continue
# ProgrammingMode requestProgramming
p = GMLAN() / GMLAN_PM(subfunction="requestProgrammingMode")
if not _send_and_check_response(sock, p, timeout, verbose):
continue
time.sleep(0.05)
# InitiateProgramming enableProgramming
# No response expected
p = GMLAN() / GMLAN_PM(subfunction="enableProgrammingMode")
if verbose:
print("Sending %s" % repr(p))
sock.send(p)
time.sleep(0.05)
return True
return False
def execute(self, socket, state, timeout=1, execution_time=1200, **kwargs):
# type: (_SocketUnion, EcuState, int, int, Any) -> None
supported = GMLAN_InitDiagnostics(cast(SuperSocket, socket),
timeout=20,
verbose=kwargs.get("debug", False))
# TODO: Refactor result storage
if supported:
self._store_result(state,
GMLAN() / GMLAN_PM(), GMLAN(service=0xE5))
else:
self._store_result(
state,
GMLAN() / GMLAN_PM(),
GMLAN() / GMLAN_NR(returnCode=0x11, requestServiceId=0xA5))
self._state_completed[state] = True