def readDLMSPacket2(self, data, reply):
if not data:
return
notify = GXReplyData()
reply.error = 0
eop = 0x7E
#In network connection terminator is not used.
if self.client.interfaceType == InterfaceType.WRAPPER and isinstance(
self.media, GXNet):
eop = None
p = ReceiveParameters()
p.eop = eop
p.waitTime = self.waitTime
if eop is None:
p.Count = 8
else:
p.Count = 5
self.media.eop = eop
rd = GXByteBuffer()
with self.media.getSynchronous():
if not reply.isStreaming():
self.writeTrace(
"TX: " + self.now() + "\t" + GXByteBuffer.hex(data),
TraceLevel.VERBOSE)
print("TX: " + self.now() + "\t" + GXByteBuffer.hex(data))
self.media.send(data)
pos = 0
try:
while not self.client.getData(rd, reply, notify):
if notify.data.size != 0:
if not notify.isMoreData():
t = GXDLMSTranslator()
xml = t.dataToXml(notify.data)
print(xml)
notify.clear()
continue
elif not p.eop:
p.count = self.client.getFrameSize(rd)
while not self.media.receive(p):
pos += 1
if pos == 3:
raise TimeoutException(
"Failed to receive reply from the device in given time."
)
if rd.size == 0:
print("Data send failed. Try to resend " +
str(pos) + "/3")
self.media.send(data, None)
rd.set(p.reply)
p.reply = None
except Exception as e:
self.writeTrace("RX: " + self.now() + "\t" + str(rd),
TraceLevel.ERROR)
print("RX: " + self.now() + "\t" + str(rd))
raise e
self.writeTrace("RX: " + self.now() + "\t" + str(rd),
TraceLevel.VERBOSE)
print("RX: " + self.now() + "\t" + str(rd))
if reply.error != 0:
raise GXDLMSException(reply.error)
def __init__(self):
#List available serial ports.
print("Available ports:")
print(str(GXSerial.getPortNames()))
#Define End Of Packet char.
eop = '\r'
#Make connection using serial port.
media = GXSerial("COM10")
print(str(media))
#Start to listen events from the media.
media.addListener(self)
#Update port here to call onPropertyChanged event.
#TODO: Update correct port.
media.port = "UPDATE CORRECT PORT"
#Show all traces.
media.trace = TraceLevel.VERBOSE
#Set EOP for the media.
media.eop = eop
try:
#Open the connection.
media.open()
r = ReceiveParameters()
r.eop = eop
r.count = 5
#Wait reply for 2 seconds.
r.waitTime = 2000
############################
#Send data synchronously.
with media.getSynchronous():
media.send("Hello world!")
#Send EOP
media.send('\r')
ret = media.receive(r)
if ret:
print(str(r.reply.decode("ascii")))
else:
raise Exception("Failed to receive reply from the server.")
############################
#Send async data.
media.send("Server !\r")
#Wait 1 second to receive reply from the server.
time.sleep(1)
except (KeyboardInterrupt, SystemExit, Exception) as ex:
print(ex)
media.close()
media.removeListener(self)
def __init__(self):
#Define End Of Packet char.
eop = 0x7e
#Make connection using TCP/IP to localhost.
#Use ::1 if you want to use IP v6 address.
media = GXNet(NetworkType.TCP, "localhost", 0)
#Start to listen events from the media.
media.addListener(self)
print(str(media))
#Update port here to call onPropertyChanged event.
media.port = 1000
#Show all traces.
media.trace = TraceLevel.VERBOSE
#Set EOP for the media.
media.eop = eop
try:
#Open the connection.
media.open()
r = ReceiveParameters()
r.eop = eop
r.count = 5
#Wait reply for 2 seconds.
r.waitTime = 2000
############################
#Send data synchronously.
with media.getSynchronous():
media.send("Hello world!")
#Send EOP
media.send(eop)
ret = media.receive(r)
if ret:
print(str(r.reply.decode("ascii")))
else:
raise Exception("Failed to receive reply from the server.")
############################
#Send async data.
media.send("Server !")
media.send(eop)
#Wait 1 second to receive reply from the server.
time.sleep(1)
except (KeyboardInterrupt, SystemExit, Exception) as ex:
print(ex)
media.close()
media.removeListener(self)
