def specific_wait_frame(self, timeout=2):
msg = J2534.ptRxMsg()
maskMsg = J2534.ptMskMsg(0)
maskMsg.setID(0xffffffff)
patternMsg = J2534.ptPatternMsg(0)
patternMsg.setID(RECV_ID)
flowcontrolMsg = J2534.ptPatternMsg(0)
flowcontrolMsg.setID(SEND_ID)
ret, fiterid = J2534.ptStartMsgFilter(self.channel,
FilterType.FLOW_CONTROL_FILTER,
maskMsg, patternMsg,
flowcontrolMsg)
ret = J2534.ptReadMsgs(self.channel, msg, 1, 100)
#if ret == 0:
# msg.show()
ret = J2534.ptReadMsgs(self.channel, msg, 1, 100)
if ret == 0:
msg.show()
return bytes(msg.Data[4:msg.DataSize])
return None
BRODCAST_ID = 0x7df
SEND_ID = 0x7e0
RECV_ID = 0x7e8
try:
index = int(sys.argv[1], base=10)
except:
index = 0
J2534.setDevice(index)
ret, id1 = J2534.ptOpen()
ret, ch1 = J2534.ptConnect(id1, ProtocolID.ISO15765, 0, BaudRate.B500K)
msg = J2534.ptRxMsg()
maskMsg = J2534.ptMskMsg(0)
maskMsg.setID(0xffffffff)
patternMsg = J2534.ptPatternMsg(0)
patternMsg.setID(SEND_ID)
flowcontrolMsg = J2534.ptPatternMsg(0)
flowcontrolMsg.setID(0x641)
ret, fiterid = J2534.ptStartMsgFilter(ch1, FilterType.FLOW_CONTROL_FILTER,
maskMsg, patternMsg, flowcontrolMsg)
start = time.time()