static public byte[] ReadReadout(IGXMedia media, string data, int wt)
{
ReceiveParameters <byte[]> p = new ReceiveParameters <byte[]>()
{
Eop = GetEops(),
WaitTime = wt
};
lock (media.Synchronous)
{
if (data != null)
{
media.Send(data, null);
}
do
{
if (!media.Receive(p))
{
//There is no eop or CRC.
break;
}
}while (p.Reply[p.Reply.Length - 1] != 0x3);
//Read CRC if EOP is found.
if (p.Reply[p.Reply.Length - 1] == 0x3)
{
p.Eop = null;
p.Count = 1;
if (!media.Receive(p))
{
throw new Exception("Failed to receive reply from the device in given time.");
}
}
}
return(p.Reply);
}
/// <summary>
/// Read DLMS Data from the device.
/// </summary>
/// <remarks>
/// If access is denied return null.
/// </remarks>
/// <param name="data">Data to send.</param>
/// <returns>Received data.</returns>
public void ReadDLMSPacket(byte[] data, GXReplyData reply)
{
if ((data == null || data.Length == 0) && !reply.IsStreaming())
{
return;
}
GXReplyData notify = new GXReplyData();
reply.Error = 0;
object eop = (byte)0x7E;
//In network connection terminator is not used.
if (client.InterfaceType == InterfaceType.WRAPPER && !parent.UseRemoteSerial)
{
eop = null;
}
ReceiveParameters <byte[]> p = new ReceiveParameters <byte[]>()
{
AllData = false,
Eop = eop,
Count = 5,
WaitTime = parent.WaitTime * 1000,
};
var answer = Send(data);
GXByteBuffer rd = new GXByteBuffer(answer.Body);
try
{
//Loop until whole COSEM packet is received.
while (!client.GetData(rd, reply, notify))
{
p.Reply = null;
if (notify.Data.Size != 0)
{
// Handle notify.
if (!notify.IsMoreData)
{
rd.Trim();
notify.Clear();
p.Eop = eop;
}
continue;
}
//If Eop is not set read one byte at time.
if (p.Eop == null)
{
p.Count = client.GetFrameSize(rd);
}
rd.Set(p.Reply);
}
}
catch (Exception ex)
{
throw ex;
}
if (reply.Error != 0)
{
throw new GXDLMSException(reply.Error);
}
}
/// <inheritdoc cref="IGXMedia.Receive"/>
public bool Receive <T>(ReceiveParameters <T> args)
{
if (!IsOpen)
{
throw new InvalidOperationException("Media is closed.");
}
return(syncBase.Receive(args));
}
/// <summary>
/// Try to find client and server address from the meter.
/// </summary>
private void DiscoverMeters(object sender, GXAsyncWork work, object[] parameters)
{
GXDLMSClient cl = new GXDLMSClient(true, 16, 1, Authentication.None, null, (InterfaceType)Settings.Default.PlcInterface);
byte[] data = cl.Plc.DiscoverRequest();
ReceiveParameters <byte[]> p = new ReceiveParameters <byte[]>()
{
AllData = false,
Count = 8,
WaitTime = 10000,
};
DateTime start = DateTime.Now;
GXByteBuffer rd = new GXByteBuffer();
lock (media.Synchronous)
{
if (data != null)
{
media.Send(data, null);
start = DateTime.Now;
}
GXReplyData reply = new GXReplyData();
rd = new GXByteBuffer(p.Reply);
try
{
while (!work.IsCanceled)
{
p.Reply = null;
//If Eop is not set read one byte at time.
if (p.Eop == null)
{
p.Count = cl.GetFrameSize(rd);
}
if (!media.IsOpen)
{
throw new InvalidOperationException("Media is closed.");
}
if (!media.Receive(p))
{
//It's OK if there is no reply. Read again
continue;
}
rd.Position = 0;
rd.Set(p.Reply);
if (cl.GetData(rd, reply))
{
List <GXDLMSPlcMeterInfo> list = cl.Plc.ParseDiscover(reply.Data, (UInt16)reply.TargetAddress, (UInt16)reply.SourceAddress);
BeginInvoke(new AppendMeterEventHandler(OnAppendMeter), list);
}
}
}
catch (Exception)
{
//Throw original exception.
throw;
}
}
}
public static async Task Receive(ReceiveParameters param)
{
if (param.deviceName == null)
{
param.deviceName = Environment.MachineName;
}
try
{
using (var socket = new Socket(AddressFamily.InterNetwork,
SocketType.Stream,
ProtocolType.Tcp))
{
using (var sd = new ServiceDiscovery())
{
var endPoint = new IPEndPoint(IPAddress.Any, 0);
socket.Bind(endPoint);
var port = ((IPEndPoint)socket.LocalEndPoint).Port;
var serviceProfile = new ServiceProfile(param.deviceName, ADropDomainName, (ushort)port);
sd.Advertise(serviceProfile);
socket.Listen(1);
var incoming = socket.Accept();
Console.WriteLine($"{incoming.RemoteEndPoint} connect, receiving metadata.");
using (var receiver = new Receiver(incoming))
{
var meta = receiver.ReadMetadata();
Console.WriteLine($"MetaInfo: {meta.FileInfos.Count()} files with type:\n{meta.FileInfos}");
receiver.SendAction(Proto.Action.Types.ActionType.Accepted);
for (int i = 0; i < meta.FileInfos.Count(); i++)
{
var mimeType = meta.FileInfos[i].FileType;
var result = await receiver.ReadFile();
if (mimeType == "text/plain")
{
Console.WriteLine($"received text: \n{Encoding.UTF8.GetString(result)}");
}
else
{
var extension = MimeTypes.MimeTypeMap.GetExtension(mimeType) ?? ".dat";
File.WriteAllBytes($"{i}{extension}", result);
}
}
}
}
return;
}
}
catch (SocketException e)
{
Console.WriteLine(e);
}
return;
}
/// <summary>
/// Read table data from the meter.
/// </summary>
/// <remarks>
/// With commmand R6 data can be read one row at the time and it is parsed on the fly.
/// With other commands all data must first read before data can be parse.
/// </remarks>
/// <param name="media"></param>
/// <param name="wt"></param>
/// <param name="name"></param>
/// <param name="start"></param>
/// <param name="end"></param>
/// <param name="level"></param>
/// <returns></returns>
public static object[][] ReadTable(Gurux.Common.IGXMedia media, int wt, string name, DateTime start, DateTime end, string parameters, int level, int count, out string[] columns)
{
columns = null;
List <byte> reply = new List <byte>();
string header, frame;
//Read CRC.
ReceiveParameters <byte[]> crc = new ReceiveParameters <byte[]>()
{
Count = 1,
WaitTime = wt
};
List <byte> data = new List <byte>();
data.Add(1);
data.AddRange(GenerateReadTable(name, start, end, parameters, level, count));
data.Add(3);
data.Add(CalculateChecksum(data, 1, data.Count - 1));
lock (media.Synchronous)
{
do
{
List <byte> tmp = new List <byte>(SendData(media, data == null ? null : data.ToArray(), '\0', wt, true, level == 6, false));
data = null;
if (level != 6 && tmp[tmp.Count - 1] == 0x3)
{
crc.Count = 1;
if (!media.Receive(crc))
{
throw new Exception("Failed to receive reply from the device in given time.");
}
tmp.AddRange(crc.Reply);
}
else if (level == 6)
{
if (GetPacket(tmp, true, out header, out frame) == null)
{
throw new Exception("Failed to receive reply from the device in given time.");
}
if (tmp[tmp.Count - 2] == 0x4)
{
//Send ACK if more data is left.
data = new List <byte>();
data.Add(6);
System.Threading.Thread.Sleep(200);
}
}
reply.AddRange(tmp);
}while (reply[reply.Count - 2] != 0x3);
}
int status = 0;
DateTime tm = DateTime.MinValue;
int add = 0;
return(ParseTableData(reply.ToArray(), ref columns, ref status, ref tm, ref add, name));
}
/// <summary>
/// Send IEC disconnect message.
/// </summary>
void DiscIEC()
{
ReceiveParameters <string> p = new ReceiveParameters <string>()
{
AllData = false,
Eop = (byte)0x0A,
WaitTime = parent.WaitTime * 1000
};
string data = (char)0x01 + "B0" + (char)0x03 + "\r\n";
media.Send(data, null);
p.Count = 1;
media.Receive(p);
}
/// <summary>
/// Send IEC disconnect message.
/// </summary>
private static void DiscIEC(Media media)
{
ReceiveParameters <string> p = new ReceiveParameters <string>()
{
AllData = false,
Eop = (byte)0x0A,
WaitTime = media.WaitTime * 1000
};
string data = (char)0x01 + "B0" + (char)0x03 + "\r\n";
media.Target.Send(data, null);
p.Count = 1;
media.Target.Receive(p);
}
/// <summary>
/// Disconnect.
/// </summary>
/// <param name="serial"></param>
/// <param name="tryCount"></param>
public static void Disconnect(IGXMedia media, int tryCount)
{
lock (media.Synchronous)
{
ReceiveParameters <byte[]> p = new ReceiveParameters <byte[]>()
{
Eop = GetEops(),
WaitTime = 1000
};
List <byte> data = new List <byte>();
data.Add(0x01);
data.Add((byte)'B');
data.Add((byte)'0');
data.Add(0x03);
data.Add(CalculateChecksum(data, 1, data.Count - 1));
byte[] data1 = data.ToArray();
string header, frame;
media.Send(data1, null);
media.Receive(p);
while (--tryCount > -1)
{
if (media.Receive(p))
{
GetPacket(new List <byte>(p.Reply), false, out header, out frame);
if (header == "B0")
{
break;
}
if (p.Reply.Length > 11)
{
p.Reply = null;
}
}
media.Send(data1, null);
}
}
}
private ReceiveMessageResponse ReceiveTestMessage()
{
var input = new ReceiveParameters
{
QueueUrl = queueURL,
MaxNumberOfMessages = 1
};
var options = new ReceiveOptions
{
DeleteMessageAfterReceiving = true,
VisibilityTimeout = 30,
WaitTimeSeconds = 5
};
var awsOptions = new AWSOptions
{
AWSCredentials = SQS.GetBasicAWSCredentials(credParams),
UseDefaultCredentials = false,
Region = region
};
return(SQS.ReceiveMessage(input, options, awsOptions, new System.Threading.CancellationToken()).Result);
}
public bool Receive <T>(ReceiveParameters <T> args)
{
if (args.Eop == null && args.Count == 0 && !args.AllData)
{
throw new ArgumentException("Either Count or Eop must be set.");
}
int nSize = 0;
byte[] terminator = null;
if (args.Eop != null)
{
if (args.Eop is Array)
{
Array arr = args.Eop as Array;
terminator = GXCommon.GetAsByteArray(arr.GetValue(0));
}
else
{
terminator = GXCommon.GetAsByteArray(args.Eop);
}
nSize = terminator.Length;
}
int nMinSize = (int)Math.Max(args.Count, nSize);
if (nMinSize == 0)
{
nMinSize = 1;
}
int waitTime = args.WaitTime;
if (waitTime <= 0)
{
waitTime = -1;
}
//Wait until reply occurred.
int nFound = -1;
int LastBuffSize = 0;
DateTime StartTime = DateTime.Now;
bool retValue = true;
do
{
if (waitTime == 0)
{
//If we do not want to read all data.
if (!args.AllData)
{
return(false);
}
retValue = false;
break;
}
if (waitTime != -1)
{
waitTime -= (int)(DateTime.Now - StartTime).TotalMilliseconds;
StartTime = DateTime.Now;
if (waitTime < 0)
{
waitTime = 0;
}
}
bool received;
lock (receivedSync)
{
received = !(LastBuffSize == receivedSize || receivedSize < nMinSize);
}
//Do not wait if there is data on the buffer...
if (!received)
{
if (waitTime == -1)
{
received = receivedEvent.WaitOne();
}
else
{
received = receivedEvent.WaitOne(waitTime);
}
if (!received && args.Eop == null)
{
lock (receivedSync)
{
received = !(LastBuffSize == receivedSize || receivedSize < nMinSize);
}
}
}
if (this.Exception != null)
{
Exception ex = this.Exception;
this.Exception = null;
throw ex;
}
//If timeout occurred.
if (!received)
{
//If we do not want to read all data.
if (!args.AllData)
{
return(false);
}
retValue = false;
break;
}
lock (receivedSync)
{
LastBuffSize = receivedSize;
//Read more data, if not enough
if (receivedSize < nMinSize)
{
continue;
}
//If only byte count matters.
if (nSize == 0)
{
nFound = args.Count;
}
else
{
int index = lastPosition != 0 && lastPosition < receivedSize ? lastPosition : args.Count;
//If terminator found.
if (args.Eop is Array)
{
foreach (object it in args.Eop as Array)
{
byte[] term = GXCommon.GetAsByteArray(it);
if (term.Length != 1 && receivedSize - index < term.Length)
{
index = receivedSize - term.Length;
}
nFound = GXCommon.IndexOf(m_Received, term, index, receivedSize);
if (nFound != -1)
{
break;
}
}
}
else
{
if (terminator.Length != 1 && receivedSize - index < terminator.Length)
{
index = receivedSize - terminator.Length;
}
nFound = GXCommon.IndexOf(m_Received, terminator, index, receivedSize);
}
lastPosition = receivedSize;
if (nFound != -1)
{
nFound += terminator.Length;
}
}
}
}while (nFound == -1);
if (nSize == 0) //If terminator is not given read only bytes that are needed.
{
nFound = args.Count;
}
if (args.AllData) //If all data is copied.
{
nFound = receivedSize;
}
if (nFound == 0)
{
retValue = false;
}
//Convert bytes to object.
byte[] tmp = new byte[nFound];
lock (receivedSync)
{
Array.Copy(m_Received, tmp, nFound);
}
int readBytes = 0;
object data = GXCommon.ByteArrayToObject(tmp, typeof(T), out readBytes);
//Remove read data.
receivedSize -= nFound;
//Received size can go less than zero if we have received data and we try to read more.
if (receivedSize < 0)
{
receivedSize = 0;
}
if (receivedSize != 0)
{
lock (receivedSync)
{
Array.Copy(m_Received, nFound, m_Received, 0, receivedSize);
}
}
else
{
lastPosition = 0;
}
//Reset count after read.
args.Count = 0;
//Append data.
int oldReplySize = 0;
if (args.Reply == null)
{
args.Reply = (T)data;
}
else
{
if (args.Reply is Array)
{
Array oldArray = args.Reply as Array;
Array newArray = data as Array;
if (newArray == null)
{
throw new ArgumentException();
}
oldReplySize = oldArray.Length;
int len = oldArray.Length + newArray.Length;
Array arr = (Array)Activator.CreateInstance(typeof(T), len);
//Copy old values.
Array.Copy(args.Reply as Array, arr, oldArray.Length);
//Copy new values.
Array.Copy(newArray, 0, arr, oldArray.Length, newArray.Length);
object tmp2 = arr;
args.Reply = (T)tmp2;
}
else if (args.Reply is string)
{
string str = args.Reply as string;
str += (string)data;
data = str;
args.Reply = (T)data;
}
}
return(retValue);
}
static byte[] SendData(IGXMedia media, byte[] data, char baudRate, int wt, bool useCrcSend, bool useCrcReply, bool readAllDataOnce)
{
ReceiveParameters<byte[]> p = new ReceiveParameters<byte[]>()
{
Eop = GetEops(),
WaitTime = wt
};
lock (media.Synchronous)
{
if (data != null)
{
media.Send(data, null);
if (baudRate != '\0' && media.MediaType == "Serial")
{
Gurux.Serial.GXSerial serial = media as Gurux.Serial.GXSerial;
while (serial.BytesToWrite != 0)
{
System.Threading.Thread.Sleep(100);
}
System.Threading.Thread.Sleep(200);
switch (baudRate)
{
case '0':
serial.BaudRate = 300;
break;
case '1':
case 'A':
serial.BaudRate = 600;
break;
case '2':
case 'B':
serial.BaudRate = 1200;
break;
case '3':
case 'C':
serial.BaudRate = 2400;
break;
case '4':
case 'D':
serial.BaudRate = 4800;
break;
case '5':
case 'E':
serial.BaudRate = 9600;
break;
case '6':
case 'F':
serial.BaudRate = 19200;
break;
default:
throw new Exception("Unknown baud rate.");
}
}
}
if (!media.Receive(p))
{
throw new Exception("Failed to receive reply from the device in given time.");
}
List<byte> reply2 = new List<byte>();
reply2.AddRange(p.Reply);
p.Reply = null;
string header, frame;
byte[] packet = null;
if (useCrcSend && data != null)
{
while ((packet = GetPacket(reply2, false, out header, out frame)) == null)
{
p.Eop = null;
p.Count = 1;
if (!media.Receive(p))
{
throw new Exception("Failed to receive reply from the device in given time.");
}
reply2.AddRange(p.Reply);
p.Reply = null;
}
p.Eop = GetEops();
}
else
{
for (int pos = 0; pos != reply2.Count; ++pos)
{
if (reply2[pos] == 0xA)
{
++pos;
packet = new byte[pos];
reply2.CopyTo(0, packet, 0, pos);
break;
}
}
}
//Remove echo.
if (data != null && EqualBytes(data, packet))
{
reply2.RemoveRange(0, data.Length);
if (useCrcReply && reply2.Count != 0)// && !(data != null && data[data.Length - 1] == 0xA))
{
while (GetPacket(reply2, false, out header, out frame) == null)
{
p.Eop = null;
p.Count = 1;
if (!media.Receive(p))
{
throw new Exception("Failed to receive reply from the device in given time.");
}
reply2.AddRange(p.Reply);
p.Reply = null;
}
}
else
{
if (GetPacket(reply2, false, out header, out frame) == null)
{
reply2.AddRange(SendData(media, null, baudRate, wt, useCrcSend, useCrcReply, readAllDataOnce));
}
}
//If there is more data available.
if (readAllDataOnce && reply2[reply2.Count - 2] == 0x4)
{
reply2.AddRange(SendData(media, new byte[] { 6 }, '\0', wt, useCrcSend, useCrcReply, readAllDataOnce));
}
return reply2.ToArray();
}
if (useCrcReply && !(data != null && data[data.Length - 1] == 0xA))
{
while (GetPacket(reply2, false, out header, out frame) == null)
{
p.Eop = null;
p.Count = 1;
if (!media.Receive(p))
{
throw new Exception("Failed to receive reply from the device in given time.");
}
reply2.AddRange(p.Reply);
p.Reply = null;
}
}
return reply2.ToArray();
}
}
void InitializeIEC()
{
GXManufacturer manufacturer = this.Parent.Manufacturers.FindByIdentification(Parent.Manufacturer);
if (manufacturer == null)
{
throw new Exception("Unknown manufacturer " + Parent.Manufacturer);
}
GXSerial serial = Media as GXSerial;
byte Terminator = (byte)0x0A;
if (serial != null && Parent.StartProtocol == StartProtocolType.IEC)
{
serial.BaudRate = 300;
serial.DataBits = 7;
serial.Parity = Parity.Even;
serial.StopBits = StopBits.One;
}
Media.Open();
//Query device information.
if (Media != null && Parent.StartProtocol == StartProtocolType.IEC)
{
string data = "/?!\r\n";
if (this.Parent.HDLCAddressing == HDLCAddressType.SerialNumber)
{
data = "/?" + this.Parent.PhysicalAddress + "!\r\n";
}
GXLogWriter.WriteLog("HDLC sending:" + data);
ReceiveParameters <string> p = new ReceiveParameters <string>()
{
AllData = false,
Eop = Terminator,
WaitTime = Parent.WaitTime * 1000
};
lock (Media.Synchronous)
{
Media.Send(data, null);
if (!Media.Receive(p))
{
//Try to move away from mode E.
try
{
this.ReadDLMSPacket(this.DisconnectRequest(), 1);
}
catch (Exception ex)
{
}
data = (char)0x01 + "B0" + (char)0x03 + "\r\n";
Media.Send(data, null);
p.Count = 1;
Media.Receive(p);
data = "Failed to receive reply from the device in given time.";
GXLogWriter.WriteLog(data);
throw new Exception(data);
}
//If echo is used.
if (p.Reply == data)
{
p.Reply = null;
if (!Media.Receive(p))
{
//Try to move away from mode E.
this.ReadDLMSPacket(this.DisconnectRequest(), 1);
if (serial != null)
{
data = (char)0x01 + "B0" + (char)0x03 + "\r\n";
Media.Send(data, null);
p.Count = 1;
if (!Media.Receive(p))
{
}
serial.DtrEnable = serial.RtsEnable = false;
serial.BaudRate = 9600;
serial.DtrEnable = serial.RtsEnable = true;
data = (char)0x01 + "B0" + (char)0x03 + "\r\n";
Media.Send(data, null);
p.Count = 1;
Media.Receive(p);
}
data = "Failed to receive reply from the device in given time.";
GXLogWriter.WriteLog(data);
throw new Exception(data);
}
}
}
GXLogWriter.WriteLog("HDLC received: " + p.Reply);
if (p.Reply[0] != '/')
{
p.WaitTime = 100;
Media.Receive(p);
throw new Exception("Invalid responce.");
}
string manufactureID = p.Reply.Substring(1, 3);
UpdateManufactureSettings(manufactureID);
char baudrate = p.Reply[4];
int BaudRate = 0;
switch (baudrate)
{
case '0':
BaudRate = 300;
break;
case '1':
BaudRate = 600;
break;
case '2':
BaudRate = 1200;
break;
case '3':
BaudRate = 2400;
break;
case '4':
BaudRate = 4800;
break;
case '5':
BaudRate = 9600;
break;
case '6':
BaudRate = 19200;
break;
default:
throw new Exception("Unknown baud rate.");
}
GXLogWriter.WriteLog("BaudRate is : " + BaudRate.ToString());
//Send ACK
//Send Protocol control character
byte controlCharacter = (byte)'2';// "2" HDLC protocol procedure (Mode E)
//Send Baud rate character
//Mode control character
byte ModeControlCharacter = (byte)'2';//"2" //(HDLC protocol procedure) (Binary mode)
//Set mode E.
byte[] arr = new byte[] { 0x06, controlCharacter, (byte)baudrate, ModeControlCharacter, 13, 10 };
GXLogWriter.WriteLog("Moving to mode E.", arr);
lock (Media.Synchronous)
{
Media.Send(arr, null);
System.Threading.Thread.Sleep(500);
serial.BaudRate = BaudRate;
p.Reply = null;
p.WaitTime = 100;
//Note! All meters do not echo this.
Media.Receive(p);
if (p.Reply != null)
{
GXLogWriter.WriteLog("Received: " + p.Reply);
}
serial.Close();
serial.DataBits = 8;
serial.Parity = Parity.None;
serial.StopBits = StopBits.One;
serial.Open();
System.Threading.Thread.Sleep(500);
}
}
}
/// <summary>
/// Read DLMS Data from the device.
/// </summary>
/// <param name="data">Data to send.</param>
/// <returns>Received data.</returns>
public void ReadDLMSPacket(byte[] data, GXReplyData reply)
{
if (data == null && !reply.IsStreaming())
{
return;
}
reply.Error = 0;
object eop = (byte)0x7E;
//In network connection terminator is not used.
if (Client.InterfaceType == InterfaceType.WRAPPER && Media is GXNet)
{
eop = null;
}
int pos = 0;
bool succeeded = false;
ReceiveParameters <byte[]> p = new ReceiveParameters <byte[]>()
{
Eop = eop,
Count = 5,
WaitTime = WaitTime,
};
GXReplyData notify = new GXReplyData();
lock (Media.Synchronous)
{
while (!succeeded && pos != 3)
{
if (!reply.IsStreaming())
{
WriteTrace(true, "TX:\t" + DateTime.Now.ToString("hh:mm:ss") + "\t" + GXCommon.ToHex(data, true));
Media.Send(data, null);
}
succeeded = Media.Receive(p);
if (!succeeded)
{
if (++pos >= RetryCount)
{
throw new Exception("Failed to receive reply from the device in given time.");
}
//If Eop is not set read one byte at time.
if (p.Eop == null)
{
p.Count = 1;
}
//Try to read again...
System.Diagnostics.Debug.WriteLine("Data send failed. Try to resend " + pos.ToString() + "/3");
}
}
try
{
pos = 0;
//Loop until whole COSEM packet is received.
while (!Client.GetData(p.Reply, reply, notify))
{
// If all data is received.
if (notify.IsComplete && !notify.IsMoreData)
{
/*
* try
* {
* if (GXNotifyListener.Parser != null)
* {
* GXAMIClient cl = new GXAMIClient();
* GXNotifyListener.Parser.Parse(Media.ToString(), notify.Value, cl.GetData, cl.SetData);
* }
* }
* catch (Exception ex)
* {
* //TODO: Save error to the database.
* }
*/
notify.Clear();
}
//If Eop is not set read one byte at time.
if (p.Eop == null)
{
p.Count = 1;
}
while (!Media.Receive(p))
{
if (++pos >= RetryCount)
{
throw new Exception("Failed to receive reply from the device in given time.");
}
//If echo.
if (p.Reply == null || p.Reply.Length == data.Length)
{
Media.Send(data, null);
}
//Try to read again...
System.Diagnostics.Debug.WriteLine("Data send failed. Try to resend " + pos.ToString() + "/3");
}
}
}
catch (Exception ex)
{
WriteTrace(false, "RX:\t" + DateTime.Now.ToString("hh:mm:ss") + "\t" + GXCommon.ToHex(p.Reply, true));
throw ex;
}
}
WriteTrace(false, "RX:\t" + DateTime.Now.ToString("hh:mm:ss") + "\t" + GXCommon.ToHex(p.Reply, true));
if (reply.Error != 0)
{
if (reply.Error == (short)ErrorCode.Rejected)
{
Thread.Sleep(1000);
ReadDLMSPacket(data, reply);
}
else
{
throw new GXDLMSException(reply.Error);
}
}
}
/// <summary>
/// Read DLMS Data from the device.
/// </summary>
/// <param name="data">Data to send.</param>
/// <returns>Received data.</returns>
public byte[] ReadDLMSPacket(byte[] data)
{
if (data == null)
{
return null;
}
object eop = (byte)0x7E;
//In network connection terminator is not used.
if (Client.InterfaceType == InterfaceType.Net && Media is GXNet)
{
eop = null;
}
int pos = 0;
bool succeeded = false;
ReceiveParameters<byte[]> p = new ReceiveParameters<byte[]>()
{
AllData = true,
Eop = eop,
Count = 5,
WaitTime = WaitTime,
};
lock (Media.Synchronous)
{
while (!succeeded && pos != 3)
{
WriteTrace("<- " + DateTime.Now.ToLongTimeString() + "\t" + GXCommon.ToHex(data, true));
Media.Send(data, null);
succeeded = Media.Receive(p);
if (!succeeded)
{
//If Eop is not set read one byte at time.
if (p.Eop == null)
{
p.Count = 1;
}
//Try to read again...
if (++pos != 3)
{
System.Diagnostics.Debug.WriteLine("Data send failed. Try to resend " + pos.ToString() + "/3");
continue;
}
throw new Exception("Failed to receive reply from the device in given time.");
}
}
//Loop until whole Cosem packet is received.
while (!Client.IsDLMSPacketComplete(p.Reply))
{
//If Eop is not set read one byte at time.
if (p.Eop == null)
{
p.Count = 1;
}
if (!Media.Receive(p))
{
//Try to read again...
if (++pos != 3)
{
System.Diagnostics.Debug.WriteLine("Data send failed. Try to resend " + pos.ToString() + "/3");
continue;
}
throw new Exception("Failed to receive reply from the device in given time.");
}
}
}
WriteTrace("-> " + DateTime.Now.ToLongTimeString() + "\t" + GXCommon.ToHex(p.Reply, true));
object errors = Client.CheckReplyErrors(data, p.Reply);
if (errors != null)
{
object[,] arr = (object[,])errors;
int error = (int)arr[0, 0];
throw new GXDLMSException(error);
}
return p.Reply;
}
/// <summary>
/// Initialize optical head.
/// </summary>
void InitializeOpticalHead()
{
if (Client.InterfaceType != InterfaceType.HdlcWithModeE)
{
return;
}
GXSerial serial = Media as GXSerial;
byte Terminator = (byte)0x0A;
Media.Open();
//Some meters need a little break.
Thread.Sleep(1000);
//Query device information.
string data = "/?!\r\n";
if (Trace > TraceLevel.Info)
{
Console.WriteLine("IEC Sending:" + data);
}
ReceiveParameters <string> p = new ReceiveParameters <string>()
{
AllData = false,
Eop = Terminator,
WaitTime = WaitTime * 1000
};
lock (Media.Synchronous)
{
Media.Send(data, null);
if (!Media.Receive(p))
{
//Try to move away from mode E.
try
{
Disconnect();
}
catch (Exception)
{
}
DiscIEC();
string str = "Failed to receive reply from the device in given time.";
if (Trace > TraceLevel.Info)
{
Console.WriteLine(str);
}
Media.Send(data, null);
if (!Media.Receive(p))
{
throw new Exception(str);
}
}
//If echo is used.
if (p.Reply == data)
{
p.Reply = null;
if (!Media.Receive(p))
{
//Try to move away from mode E.
GXReplyData reply = new GXReplyData();
Disconnect();
if (serial != null)
{
DiscIEC();
serial.DtrEnable = serial.RtsEnable = false;
serial.BaudRate = 9600;
serial.DtrEnable = serial.RtsEnable = true;
DiscIEC();
}
data = "Failed to receive reply from the device in given time.";
if (Trace > TraceLevel.Info)
{
Console.WriteLine(data);
}
throw new Exception(data);
}
}
}
if (Trace > TraceLevel.Info)
{
Console.WriteLine("HDLC received: " + p.Reply);
}
if (p.Reply[0] != '/')
{
p.WaitTime = 100;
Media.Receive(p);
DiscIEC();
throw new Exception("Invalid responce.");
}
string manufactureID = p.Reply.Substring(1, 3);
char baudrate = p.Reply[4];
int BaudRate = 0;
switch (baudrate)
{
case '0':
BaudRate = 300;
break;
case '1':
BaudRate = 600;
break;
case '2':
BaudRate = 1200;
break;
case '3':
BaudRate = 2400;
break;
case '4':
BaudRate = 4800;
break;
case '5':
BaudRate = 9600;
break;
case '6':
BaudRate = 19200;
break;
default:
throw new Exception("Unknown baud rate.");
}
if (Trace > TraceLevel.Info)
{
Console.WriteLine("BaudRate is : " + BaudRate.ToString());
}
//Send ACK
//Send Protocol control character
// "2" HDLC protocol procedure (Mode E)
byte controlCharacter = (byte)'2';
//Send Baud rate character
//Mode control character
byte ModeControlCharacter = (byte)'2';
//"2" //(HDLC protocol procedure) (Binary mode)
//Set mode E.
byte[] arr = new byte[] { 0x06, controlCharacter, (byte)baudrate, ModeControlCharacter, 13, 10 };
if (Trace > TraceLevel.Info)
{
Console.WriteLine("Moving to mode E.", arr);
}
lock (Media.Synchronous)
{
p.Reply = null;
Media.Send(arr, null);
//Some meters need this sleep. Do not remove.
Thread.Sleep(200);
p.WaitTime = 2000;
//Note! All meters do not echo this.
Media.Receive(p);
if (p.Reply != null)
{
if (Trace > TraceLevel.Info)
{
Console.WriteLine("Received: " + p.Reply);
}
}
serial.BaudRate = BaudRate;
serial.DataBits = 8;
serial.Parity = Parity.None;
serial.StopBits = StopBits.One;
//Some meters need this sleep. Do not remove.
Thread.Sleep(800);
}
}
void InitSerial()
{
GXSerial serial = Media as GXSerial;
byte Terminator = (byte)0x0A;
if (serial != null && InitializeIEC)
{
serial.BaudRate = 300;
serial.DataBits = 7;
serial.Parity = Parity.Even;
serial.StopBits = StopBits.One;
}
Media.Open();
//Query device information.
if (Media != null && InitializeIEC)
{
string data = "/?001!\r\n";
if (Trace)
{
Console.WriteLine("HDLC sending:" + data);
}
ReceiveParameters<string> p = new ReceiveParameters<string>()
{
Eop = Terminator,
WaitTime = WaitTime
};
lock (Media.Synchronous)
{
Media.Send(data, null);
if (!Media.Receive(p))
{
//Try to move away from mode E.
throw new Exception("Failed to receive reply from the device in given time.");
}
//If echo is used.
if (p.Reply == data)
{
p.Reply = null;
if (!Media.Receive(p))
{
//Try to move away from mode E.
throw new Exception("Failed to receive reply from the device in given time.");
}
}
}
if (Trace)
{
Console.WriteLine("HDLC received: " + p.Reply);
}
if (p.Reply[0] != '/')
{
p.WaitTime = 100;
Media.Receive(p);
throw new Exception("Invalid responce.");
}
string manufactureID = p.Reply.Substring(1, 3);
//UpdateManufactureSettings(manufactureID);
char baudrate = p.Reply[4];
int BaudRate = 0;
switch (baudrate)
{
case '0':
BaudRate = 300;
break;
case '1':
BaudRate = 600;
break;
case '2':
BaudRate = 1200;
break;
case '3':
BaudRate = 2400;
break;
case '4':
BaudRate = 4800;
break;
case '5':
BaudRate = 9600;
break;
case '6':
BaudRate = 19200;
break;
default:
throw new Exception("Unknown baud rate.");
}
Console.WriteLine("BaudRate is :", BaudRate.ToString());
//Send ACK
//Send Protocol control character
byte controlCharacter = (byte)'2';// "2" HDLC protocol procedure (Mode E)
//Send Baudrate character
//Mode control character
byte ModeControlCharacter = (byte)'2';//"2" //(HDLC protocol procedure) (Binary mode)
//Set mode E.
byte[] arr = new byte[] { 0x06, controlCharacter, (byte)baudrate, ModeControlCharacter, 13, 10 };
if (Trace)
{
Console.WriteLine("Moving to mode E", BitConverter.ToString(arr));
}
lock (Media.Synchronous)
{
Media.Send(arr, null);
p.Reply = null;
p.WaitTime = 500;
if (!Media.Receive(p))
{
//Try to move away from mode E.
this.ReadDLMSPacket(m_Parser.DisconnectRequest());
throw new Exception("Failed to receive reply from the device in given time.");
}
}
if (serial != null)
{
serial.BaudRate = BaudRate;
serial.DataBits = 8;
serial.Parity = Parity.None;
serial.StopBits = StopBits.One;
}
}
}
/// <summary>
/// Read DLMS Data from the device.
/// </summary>
/// <param name="data">Data to send.</param>
/// <returns>Received data.</returns>
public byte[] ReadDLMSPacket(byte[] data)
{
if (data == null)
{
return(null);
}
object eop = (byte)0x7E;
//In network connection terminator is not used.
if (Client.InterfaceType == InterfaceType.Net && Media is GXNet)
{
eop = null;
}
int pos = 0;
bool succeeded = false;
ReceiveParameters <byte[]> p = new ReceiveParameters <byte[]>()
{
AllData = true,
Eop = eop,
Count = 5,
WaitTime = WaitTime,
};
lock (Media.Synchronous)
{
while (!succeeded && pos != 3)
{
WriteTrace("<- " + DateTime.Now.ToLongTimeString() + "\t" + GXCommon.ToHex(data, true));
Media.Send(data, null);
succeeded = Media.Receive(p);
if (!succeeded)
{
//If Eop is not set read one byte at time.
if (p.Eop == null)
{
p.Count = 1;
}
//Try to read again...
if (++pos != 3)
{
System.Diagnostics.Debug.WriteLine("Data send failed. Try to resend " + pos.ToString() + "/3");
continue;
}
throw new Exception("Failed to receive reply from the device in given time.");
}
}
//Loop until whole Cosem packet is received.
while (!Client.IsDLMSPacketComplete(p.Reply))
{
//If Eop is not set read one byte at time.
if (p.Eop == null)
{
p.Count = 1;
}
if (!Media.Receive(p))
{
//Try to read again...
if (++pos != 3)
{
System.Diagnostics.Debug.WriteLine("Data send failed. Try to resend " + pos.ToString() + "/3");
continue;
}
throw new Exception("Failed to receive reply from the device in given time.");
}
}
}
WriteTrace("-> " + DateTime.Now.ToLongTimeString() + "\t" + GXCommon.ToHex(p.Reply, true));
object errors = Client.CheckReplyErrors(data, p.Reply);
if (errors != null)
{
object[,] arr = (object[, ])errors;
int error = (int)arr[0, 0];
throw new GXDLMSException(error);
}
return(p.Reply);
}
public override void ImportFromDevice(Control[] addinPages, GXDevice device, IGXMedia media)
{
media.Open();
GXMBusDevice dev = device as GXMBusDevice;
object data;
//Handshake
ShortFrame sf = new ShortFrame();
sf.AddressField = dev.DeviceAddress;
sf.ControlField = (byte)CFieldFunctions.SendSlaveInit;
sf.CountChecksum();
data = sf.ToByteArray();
ReceiveParameters<byte[]> recParams = new ReceiveParameters<byte[]>()
{
Count = 1,
Peek = false,
WaitTime = device.WaitTime
};
lock (media.Synchronous)
{
media.Send(data, null);
if (!media.Receive(recParams))
{
throw new Exception("Failed to receive reply from the device in given time.");
}
if (recParams.Reply.Length < 1 || recParams.Reply[0] != 0xE5)
{
throw new Exception("Handshake failed.");
}
bool morePacketsAvailable = false;
byte fcb = 1;
List<MBusRegister> items = new List<MBusRegister>();
do
{
sf = new ShortFrame();
sf.AddressField = dev.DeviceAddress;
if (fcb == 1)
{
sf.ControlField = (byte)CFieldFunctions.RequestClass2Data;
}
else
{
sf.ControlField = (byte)CFieldFunctions.RequestClass2Data | (byte)CFieldRequest.FrameCountBit;
}
sf.CountChecksum();
recParams.AllData = true;
recParams.Count = 1;
recParams.Eop = (byte)0x16;
recParams.Reply = null;
int cnt = 0;
//Some meters can't answer right a way.
do
{
media.Send(sf.ToByteArray(), null);
if (++cnt == 6)
{
throw new Exception("Failed to receive reply from the device in given time.");
}
}
while (!media.Receive(recParams));
while (!VerifyReadReplyCheckSum(recParams.Reply))
{
recParams.Count = 0;
recParams.Reply = null;
bool gotData = media.Receive(recParams);
if (!gotData)
{
break;
}
}
morePacketsAvailable = recParams.Reply.Length > 5 && (recParams.Reply[4] & 0x10) != 0;
items.AddRange(ParseReadReply(recParams.Reply));
}
while (morePacketsAvailable);
GXMBusCategory defaultCategory = null;
if ((defaultCategory = (GXMBusCategory)device.Categories.Find("Default")) == null)
{
defaultCategory = new GXMBusCategory();
defaultCategory.Name = "Default";
device.Categories.Add(defaultCategory);
}
for (int pos = 0; pos < items.Count; ++pos)
{
MBusRegister item = items[pos];
GXMBusProperty prop = new GXMBusProperty();
prop.Ordinal = pos;
if (item.IsVariableData)
{
string name = item.MBusType;
int len = name.IndexOf('_');
if (len != -1)
{
name = name.Substring(0, len);
}
name += " " + item.Function.ToString();
if (item.Tariff != 0)
{
name += " Tariff " + item.Tariff.ToString();
}
prop.Name = name;
prop.Unit = item.Unit;
prop.DataLength = item.DataLength;
item.Mask.Reverse();
prop.InfoMask = item.Mask.ToArray();
prop.Type = item.Type;
if (item.MBusType.ToLower().Contains("date") || item.MBusType.ToLower().Contains("timepoint"))
{
prop.ValueType = typeof(DateTime);
}
else
{
prop.ValueType = typeof(string);
}
}
else
{
prop.Name = item.MBusType;
prop.Unit = item.Unit;
prop.ValueType = typeof(string);
prop.DataLength = 4;
}
prop.InfoBytes = item.InformationBytes.Reverse().ToArray();
defaultCategory.Properties.Add(prop);
}
}
}
/// <summary>
/// Read table data from the meter.
/// </summary>
/// <remarks>
/// With commmand R6 data can be read one row at the time and it is parsed on the fly.
/// With other commands all data must first read before data can be parse.
/// </remarks>
/// <param name="media"></param>
/// <param name="wt"></param>
/// <param name="name"></param>
/// <param name="start"></param>
/// <param name="end"></param>
/// <param name="level"></param>
/// <returns></returns>
public static object[][] ReadTable(Gurux.Common.IGXMedia media, int wt, string name, DateTime start, DateTime end, string parameters, int level, int count, out string[] columns)
{
columns = null;
List<byte> reply = new List<byte>();
string header, frame;
//Read CRC.
ReceiveParameters<byte[]> crc = new ReceiveParameters<byte[]>()
{
Count = 1,
WaitTime = wt
};
List<byte> data = new List<byte>();
data.Add(1);
data.AddRange(GenerateReadTable(name, start, end, parameters, level, count));
data.Add(3);
data.Add(CalculateChecksum(data, 1, data.Count - 1));
lock (media.Synchronous)
{
do
{
List<byte> tmp = new List<byte>(SendData(media, data == null ? null : data.ToArray(), '\0', wt, true, level == 6, false));
data = null;
if (level != 6 && tmp[tmp.Count - 1] == 0x3)
{
crc.Count = 1;
if (!media.Receive(crc))
{
throw new Exception("Failed to receive reply from the device in given time.");
}
tmp.AddRange(crc.Reply);
}
else if (level == 6)
{
if (GetPacket(tmp, true, out header, out frame) == null)
{
throw new Exception("Failed to receive reply from the device in given time.");
}
if (tmp[tmp.Count - 2] == 0x4)
{
//Send ACK if more data is left.
data = new List<byte>();
data.Add(6);
System.Threading.Thread.Sleep(200);
}
}
reply.AddRange(tmp);
}
while (reply[reply.Count - 2] != 0x3);
}
int status = 0;
DateTime tm = DateTime.MinValue;
int add = 0;
return ParseTableData(reply.ToArray(), ref columns, ref status, ref tm, ref add, name);
}
static byte[] SendData(IGXMedia media, byte[] data, char baudRate, int wt, bool useCrcSend, bool useCrcReply, bool readAllDataOnce)
{
ReceiveParameters <byte[]> p = new ReceiveParameters <byte[]>()
{
Eop = GetEops(),
WaitTime = wt
};
lock (media.Synchronous)
{
if (data != null)
{
media.Send(data, null);
if (baudRate != '\0' && media.MediaType == "Serial")
{
Gurux.Serial.GXSerial serial = media as Gurux.Serial.GXSerial;
while (serial.BytesToWrite != 0)
{
System.Threading.Thread.Sleep(100);
}
System.Threading.Thread.Sleep(200);
switch (baudRate)
{
case '0':
serial.BaudRate = 300;
break;
case '1':
case 'A':
serial.BaudRate = 600;
break;
case '2':
case 'B':
serial.BaudRate = 1200;
break;
case '3':
case 'C':
serial.BaudRate = 2400;
break;
case '4':
case 'D':
serial.BaudRate = 4800;
break;
case '5':
case 'E':
serial.BaudRate = 9600;
break;
case '6':
case 'F':
serial.BaudRate = 19200;
break;
default:
throw new Exception("Unknown baud rate.");
}
}
}
if (!media.Receive(p))
{
throw new Exception("Failed to receive reply from the device in given time.");
}
List <byte> reply2 = new List <byte>();
reply2.AddRange(p.Reply);
p.Reply = null;
string header, frame;
byte[] packet = null;
if (useCrcSend && data != null)
{
while ((packet = GetPacket(reply2, false, out header, out frame)) == null)
{
p.Eop = null;
p.Count = 1;
if (!media.Receive(p))
{
throw new Exception("Failed to receive reply from the device in given time.");
}
reply2.AddRange(p.Reply);
p.Reply = null;
}
p.Eop = GetEops();
}
else
{
for (int pos = 0; pos != reply2.Count; ++pos)
{
if (reply2[pos] == 0xA)
{
++pos;
packet = new byte[pos];
reply2.CopyTo(0, packet, 0, pos);
break;
}
}
}
//Remove echo.
if (data != null && EqualBytes(data, packet))
{
reply2.RemoveRange(0, data.Length);
if (useCrcReply && reply2.Count != 0)// && !(data != null && data[data.Length - 1] == 0xA))
{
while (GetPacket(reply2, false, out header, out frame) == null)
{
p.Eop = null;
p.Count = 1;
if (!media.Receive(p))
{
throw new Exception("Failed to receive reply from the device in given time.");
}
reply2.AddRange(p.Reply);
p.Reply = null;
}
}
else
{
if (GetPacket(reply2, false, out header, out frame) == null)
{
reply2.AddRange(SendData(media, null, baudRate, wt, useCrcSend, useCrcReply, readAllDataOnce));
}
}
//If there is more data available.
if (readAllDataOnce && reply2[reply2.Count - 2] == 0x4)
{
reply2.AddRange(SendData(media, new byte[] { 6 }, '\0', wt, useCrcSend, useCrcReply, readAllDataOnce));
}
return(reply2.ToArray());
}
if (useCrcReply && !(data != null && data[data.Length - 1] == 0xA))
{
while (GetPacket(reply2, false, out header, out frame) == null)
{
p.Eop = null;
p.Count = 1;
if (!media.Receive(p))
{
throw new Exception("Failed to receive reply from the device in given time.");
}
reply2.AddRange(p.Reply);
p.Reply = null;
}
}
return(reply2.ToArray());
}
}
public void InitializeConnection()
{
if (!string.IsNullOrEmpty(parent.Manufacturer))
{
UpdateManufactureSettings(parent.Manufacturer);
}
if (media is GXSerial)
{
GXLogWriter.WriteLog("Initializing serial connection.");
InitSerial();
connectionStartTime = DateTime.Now;
}
else if (media is GXNet)
{
GXLogWriter.WriteLog("Initializing Network connection.");
InitNet();
//Some Electricity meters need some time before first message can be send.
System.Threading.Thread.Sleep(500);
}
else if (media is Gurux.Terminal.GXTerminal)
{
GXLogWriter.WriteLog("Initializing Terminal connection.");
InitTerminal();
}
else
{
throw new Exception("Unknown media type.");
}
try
{
GXReplyData reply = new GXReplyData();
byte[] data;
data = SNRMRequest();
if (data != null)
{
GXLogWriter.WriteLog("Send SNRM request.", data);
ReadDLMSPacket(data, 1, reply);
GXLogWriter.WriteLog("Parsing UA reply.\r\n" + reply.Data.ToString());
//Has server accepted client.
ParseUAResponse(reply.Data);
GXLogWriter.WriteLog("Parsing UA reply succeeded.");
}
//Generate AARQ request.
//Split requests to multiple packets if needed.
//If password is used all data might not fit to one packet.
foreach (byte[] it in AARQRequest())
{
GXLogWriter.WriteLog("Send AARQ request", it);
reply.Clear();
ReadDLMSPacket(it, reply);
}
GXLogWriter.WriteLog("Parsing AARE reply\r\n" + reply.Data.ToString());
try
{
//Parse reply.
ParseAAREResponse(reply.Data);
}
catch (Exception Ex)
{
reply.Clear();
ReadDLMSPacket(DisconnectRequest(), 1, reply);
throw Ex;
}
//If authentication is required.
if (client.IsAuthenticationRequired)
{
foreach (byte[] it in client.GetApplicationAssociationRequest())
{
GXLogWriter.WriteLog("Authenticating", it);
reply.Clear();
ReadDLMSPacket(it, reply);
}
client.ParseApplicationAssociationResponse(reply.Data);
}
}
catch (Exception ex)
{
if (media is GXSerial && parent.StartProtocol == StartProtocolType.IEC)
{
ReceiveParameters<string> p = new ReceiveParameters<string>()
{
Eop = (byte) 0xA,
WaitTime = parent.WaitTime * 1000
};
lock (media.Synchronous)
{
string data = (char)0x01 + "B0" + (char)0x03 + "\r\n";
media.Send(data, null);
media.Receive(p);
}
}
throw ex;
}
GXLogWriter.WriteLog("Parsing AARE reply succeeded.");
parent.KeepAliveStart();
}
void InitRead(object sender, GXPacket GXPacket)
{
LastNotifiedTransactionProgress = 0;
parser = new Gurux.DLMS.GXDLMSClient();
GXDLMSDevice device = sender as GXDLMSDevice;
parser.UseLogicalNameReferencing = device.UseLogicalNameReferencing;
Gurux.Common.IGXMedia media = device.GXClient.Media as Gurux.Common.IGXMedia;
SupportNetworkSpecificSettings = device.SupportNetworkSpecificSettings && media is GXNet;
if (SupportNetworkSpecificSettings)
{
parser.InterfaceType = Gurux.DLMS.InterfaceType.Net;
}
else
{
media.Eop = (byte)0x7E;
}
if (device.Manufacturers == null)
{
device.Manufacturers = new GXManufacturerCollection();
GXManufacturerCollection.ReadManufacturerSettings(device.Manufacturers);
}
GXManufacturer man = device.Manufacturers.FindByIdentification(device.Identification);
if (man == null)
{
throw new Exception("Unknown DLMS manufacturer type: " + device.Identification);
}
if (!string.IsNullOrEmpty(man.Extension))
{
Type t = Type.GetType(man.Extension);
Extension = Activator.CreateInstance(t) as IGXManufacturerExtension;
}
if (media is GXSerial && device.StartProtocol == StartProtocolType.IEC)
{
byte Terminator = 0xA;
GXSerial serial = media as GXSerial;
serial.Eop = Terminator;
ReceiveParameters<string> p = new ReceiveParameters<string>()
{
Eop = Terminator,
WaitTime = device.WaitTime * 1000
};
lock (media.Synchronous)
{
//Init IEC connection. This must done first with serial connections.
string data = "/?!\r\n";
if (device.HDLCAddressing == HDLCAddressType.SerialNumber)
{
data = "/?" + device.SerialNumber + "!\r\n";
}
media.Send(data, null);
if (!media.Receive(p))
{
//Try to move away from mode E.
//TODO: this.ReadDLMSPacket(this.DisconnectRequest());
data = "Failed to receive reply from the device in given time.";
GXLogWriter.WriteLog(data);
throw new Exception(data);
}
//If echo is used.
if (p.Reply == data)
{
p.Reply = null;
if (!media.Receive(p))
{
//Try to move away from mode E.
//TODO: this.ReadDLMSPacket(this.DisconnectRequest());
data = "Failed to receive reply from the device in given time.";
GXLogWriter.WriteLog(data);
throw new Exception(data);
}
}
}
string manufactureID = p.Reply.Substring(1, 3);
char baudrate = p.Reply[4];
int bitrate = 0;
switch (baudrate)
{
case '0':
bitrate = 300;
break;
case '1':
bitrate = 600;
break;
case '2':
bitrate = 1200;
break;
case '3':
bitrate = 2400;
break;
case '4':
bitrate = 4800;
break;
case '5':
bitrate = 9600;
break;
case '6':
bitrate = 19200;
break;
default:
throw new Exception("Unknown baud rate.");
}
//Send ACK
//Send Protocol control character
byte controlCharacter = (byte)'2';// "2" HDLC protocol procedure (Mode E)
//Send Baudrate character
//Mode control character
byte ModeControlCharacter = (byte)'2';//"2" //(HDLC protocol procedure) (Binary mode)
//We are not receive anything.
lock (media.Synchronous)
{
media.Send(new byte[] { 0x06, controlCharacter, (byte)baudrate, ModeControlCharacter, 0x8D, 0x0A }, null);
System.Threading.Thread.Sleep(1000);
serial.BaudRate = bitrate;
ReceiveParameters<byte[]> args = new ReceiveParameters<byte[]>();
args.Eop = (byte)0x0A;
args.WaitTime = 500;
media.Receive(args);
}
serial.DataBits = 8;
serial.Parity = System.IO.Ports.Parity.None;
serial.StopBits = System.IO.Ports.StopBits.One;
serial.ResetSynchronousBuffer();
serial.Eop = (byte)0x7E;
}
}
/// <summary>
/// Read DLMS Data from the device.
/// </summary>
/// <remarks>
/// If access is denied return null.
/// </remarks>
/// <param name="data">Data to send.</param>
/// <returns>Received data.</returns>
public void ReadDLMSPacket(byte[] data, int tryCount, GXReplyData reply)
{
if (data == null)
{
return;
}
object eop = (byte)0x7E;
//In network connection terminator is not used.
if (client.InterfaceType == InterfaceType.WRAPPER && media is GXNet && !parent.UseRemoteSerial)
{
eop = null;
}
int pos = 0;
bool succeeded = false;
ReceiveParameters <byte[]> p = new ReceiveParameters <byte[]>()
{
AllData = false,
Eop = eop,
Count = 5,
WaitTime = parent.WaitTime * 1000,
};
lock (media.Synchronous)
{
if (data != null)
{
media.Send(data, null);
}
while (!succeeded && pos != 3)
{
succeeded = media.Receive(p);
if (!succeeded)
{
//Try to read again...
if (++pos != tryCount)
{
//If Eop is not set read one byte at time.
if (p.Eop == null)
{
p.Count = 1;
}
System.Diagnostics.Debug.WriteLine("Data send failed. Try to resend " + pos.ToString() + "/3");
media.Send(data, null);
continue;
}
string err = "Failed to receive reply from the device in given time.";
GXLogWriter.WriteLog(err, p.Reply);
throw new Exception(err);
}
}
try
{
//Loop until whole COSEM packet is received.
while (!client.GetData(p.Reply, reply))
{
//If Eop is not set read one byte at time.
if (p.Eop == null)
{
p.Count = 1;
}
if (!media.Receive(p))
{
//Try to read again...
if (++pos != tryCount)
{
System.Diagnostics.Debug.WriteLine("Data send failed. Try to resend " + pos.ToString() + "/3");
continue;
}
string err = "Failed to receive reply from the device in given time.";
GXLogWriter.WriteLog(err, p.Reply);
throw new Exception(err);
}
}
}
catch (Exception ex)
{
GXLogWriter.WriteLog("Received data:", p.Reply);
throw ex;
}
}
GXLogWriter.WriteLog(null, p.Reply);
if (parent.OnTrace != null)
{
parent.OnTrace(parent, "-> " + DateTime.Now.ToLongTimeString(), p.Reply);
}
if (reply.Error != 0)
{
if (reply.Error == (int)ErrorCode.Rejected)
{
Thread.Sleep(1000);
ReadDLMSPacket(data, tryCount, reply);
}
else
{
throw new GXDLMSException(reply.Error);
}
}
}
internal byte[] ReadDLMSPacket(GXDLMSClient cosem, Gurux.Common.IGXMedia media, byte[] data, int wt)
{
if (data == null)
{
return null;
}
ReceiveParameters<byte[]> args = new ReceiveParameters<byte[]>()
{
Eop = (byte)0x7E,
Count = 5,
WaitTime = wt
};
if (cosem.InterfaceType == InterfaceType.Net)
{
args.Eop = null;
args.Count = 8;
args.AllData = true;
}
int pos = 0;
bool succeeded = false;
lock (media.Synchronous)
{
media.Send(data, null);
while (!succeeded && pos != 3)
{
succeeded = media.Receive(args);
if (!succeeded)
{
//Try to read again...
if (++pos != 3)
{
System.Diagnostics.Debug.WriteLine("Data send failed. Try to resend " + pos.ToString() + "/3");
continue;
}
string err = "Failed to receive reply from the device in given time.";
GXLogWriter.WriteLog(err, (byte[])args.Reply);
throw new Exception(err);
}
}
//Loop until whole m_Cosem packet is received.
while (!(succeeded = cosem.IsDLMSPacketComplete(args.Reply)))
{
if (!media.Receive(args))
{
//Try to read again...
if (++pos != 3)
{
System.Diagnostics.Debug.WriteLine("Data receive failed. Try to resend " + pos.ToString() + "/3");
continue;
}
string err = "Failed to receive reply from the device in given time.";
GXLogWriter.WriteLog(err, (byte[])args.Reply);
throw new Exception(err);
}
}
}
object[,] errors = cosem.CheckReplyErrors(data, args.Reply);
if (errors != null)
{
int error = (int)errors[0, 0];
throw new GXDLMSException(error);
}
return args.Reply;
}
/// <summary>
/// Disconnect.
/// </summary>
/// <param name="serial"></param>
/// <param name="tryCount"></param>
public static void Disconnect(IGXMedia media, int tryCount)
{
lock (media.Synchronous)
{
ReceiveParameters<byte[]> p = new ReceiveParameters<byte[]>()
{
Eop = GetEops(),
WaitTime = 1000
};
List<byte> data = new List<byte>();
data.Add(0x01);
data.Add((byte)'B');
data.Add((byte)'0');
data.Add(0x03);
data.Add(CalculateChecksum(data, 1, data.Count - 1));
byte[] data1 = data.ToArray();
string header, frame;
media.Send(data1, null);
media.Receive(p);
while (--tryCount > -1)
{
if (media.Receive(p))
{
GetPacket(new List<byte>(p.Reply), false, out header, out frame);
if (header == "B0")
{
break;
}
if (p.Reply.Length > 11)
{
p.Reply = null;
}
}
media.Send(data1, null);
}
}
}
/// <summary>
/// Import properties from the device.
/// </summary>
/// <param name="addinPages">Addin pages.</param>
/// <param name="device">The target GXDevice to put imported items.</param>
/// <param name="media">A media connection to the device.</param>
/// <returns>True if there were no errors, otherwise false.</returns>
public override void ImportFromDevice(Control[] addinPages, GXDevice device, IGXMedia media)
{
media.Open();
GXDLMSDevice Device = (GXDLMSDevice)device;
int wt = Device.WaitTime;
GXDLMSClient cosem = null;
byte[] data, reply = null;
IGXManufacturerExtension Extension = null;
try
{
//Initialize connection.
cosem = new GXDLMSClient();
cosem.UseLogicalNameReferencing = Device.UseLogicalNameReferencing;
if (Device.Manufacturers == null)
{
Device.Manufacturers = new GXManufacturerCollection();
GXManufacturerCollection.ReadManufacturerSettings(Device.Manufacturers);
}
GXManufacturer man = Device.Manufacturers.FindByIdentification(Device.Identification);
if (!string.IsNullOrEmpty(man.Extension))
{
Type t = Type.GetType(man.Extension);
Extension = Activator.CreateInstance(t) as IGXManufacturerExtension;
}
if (!Device.UseRemoteSerial && media is GXNet) //If media is network.
{
if (Device.SupportNetworkSpecificSettings)
{
cosem.InterfaceType = Gurux.DLMS.InterfaceType.Net;
}
}
else if (media is GXSerial) //If media is serial.
{
byte terminator = 0xA;
if (Device.StartProtocol == StartProtocolType.IEC)
{
GXSerial serial = media as GXSerial;
serial.Eop = terminator;
serial.Eop = terminator;
//Init IEC connection. This must done first with serial connections.
string str = "/?" + Device.SerialNumber + "!\r\n";
ReceiveParameters<string> args = new ReceiveParameters<string>()
{
Eop = terminator,
WaitTime = wt
};
lock (media.Synchronous)
{
media.Send(str, null);
do
{
args.Reply = null;
if (!media.Receive(args))
{
throw new Exception("Failed to receive reply from the device in given time.");
}
}
while (str == args.Reply);//Remove echo
}
string answer = args.Reply.ToString();
if (answer[0] != '/')
{
throw new Exception("Invalid responce.");
}
string manufactureID = answer.Substring(1, 3);
char baudrate = answer[4];
if (baudrate == ' ')
{
baudrate = '5';
}
int baudRate = 0;
switch (baudrate)
{
case '0':
baudRate = 300;
break;
case '1':
baudRate = 600;
break;
case '2':
baudRate = 1200;
break;
case '3':
baudRate = 2400;
break;
case '4':
baudRate = 4800;
break;
case '5':
baudRate = 9600;
break;
case '6':
baudRate = 19200;
break;
default:
throw new Exception("Unknown baud rate.");
}
//Send ACK
//Send Protocol control character
byte controlCharacter = (byte)'2';// "2" HDLC protocol procedure (Mode E)
//Send Baudrate character
//Mode control character
byte ModeControlCharacter = (byte)'2';//"2" //(HDLC protocol procedure) (Binary mode)
//We are not receive anything.
data = new byte[] { 0x06, controlCharacter, (byte)baudrate, ModeControlCharacter, 0x0D, 0x0A };
lock (media.Synchronous)
{
args.Reply = null;
media.Send(data, null);
//This is in standard. Do not remove sleep.
//Some meters work without it, but some do not.
System.Threading.Thread.Sleep(500);
serial.BaudRate = baudRate;
ReceiveParameters<byte[]> args2 = new ReceiveParameters<byte[]>()
{
Eop = terminator,
WaitTime = 100
};
//If this fails, just read all data.
if (!media.Receive(args2))
{
//Read buffer.
args2.AllData = true;
args2.WaitTime = 1;
media.Receive(args2);
}
serial.DataBits = 8;
serial.Parity = Parity.None;
serial.StopBits = StopBits.One;
serial.DiscardInBuffer();
serial.DiscardOutBuffer();
serial.ResetSynchronousBuffer();
}
}
}
media.Eop = (byte) 0x7E;
cosem.Authentication = (Gurux.DLMS.Authentication)Device.Authentication;
object clientAdd = null;
if (cosem.Authentication == Authentication.None)
{
clientAdd = Device.ClientID;
}
else if (cosem.Authentication == Authentication.Low)
{
clientAdd = Device.ClientIDLow;
}
else if (cosem.Authentication == Authentication.High)
{
clientAdd = Device.ClientIDHigh;
}
if (!string.IsNullOrEmpty(Device.Password))
{
cosem.Password = ASCIIEncoding.ASCII.GetBytes(Device.Password);
}
else
{
cosem.Password = null;
}
//If network media is used check is manufacturer supporting IEC 62056-47
if (!Device.UseRemoteSerial && media is GXNet && Device.SupportNetworkSpecificSettings)
{
cosem.InterfaceType = InterfaceType.Net;
media.Eop = null;
cosem.ClientID = Convert.ToUInt16(clientAdd);
cosem.ServerID = Convert.ToUInt16(Device.PhysicalAddress);
}
else
{
if (Device.HDLCAddressing == HDLCAddressType.Custom)
{
cosem.ClientID = clientAdd;
}
else
{
cosem.ClientID = (byte)(Convert.ToByte(clientAdd) << 1 | 0x1);
}
if (Device.HDLCAddressing == HDLCAddressType.SerialNumber)
{
cosem.ServerID = GXManufacturer.CountServerAddress(Device.HDLCAddressing, Device.SNFormula, Convert.ToUInt32(Device.SerialNumber), Device.LogicalAddress);
}
else
{
cosem.ServerID = GXManufacturer.CountServerAddress(Device.HDLCAddressing, Device.SNFormula, Device.PhysicalAddress, Device.LogicalAddress);
}
}
byte[] allData = null;
data = cosem.SNRMRequest();
//General Network connection don't need SNRMRequest.
if (data != null)
{
Trace("--- Initialize DLMS connection\r\n");
try
{
reply = ReadDLMSPacket(cosem, media, data, wt);
}
catch (Exception Ex)
{
throw new Exception("DLMS Initialize failed. " + Ex.Message);
}
//Has server accepted client.
cosem.ParseUAResponse(reply);
}
Trace("Connecting\r\n");
media.ResetSynchronousBuffer();
try
{
foreach (byte[] it in cosem.AARQRequest(null))
{
reply = ReadDLMSPacket(cosem, media, it, wt);
}
}
catch (Exception Ex)
{
throw new Exception("DLMS AARQRequest failed. " + Ex.Message);
}
cosem.ParseAAREResponse(reply);
//Now 1/5 or actions is done.
Progress(1, 5);
Trace("Read Objects\r\n");
try
{
allData = ReadDataBlock(cosem, media, cosem.GetObjectsRequest(), wt, 1);
}
catch (Exception Ex)
{
throw new Exception("DLMS AARQRequest failed. " + Ex.Message);
}
Trace("--- Parse Objects ---\r\n");
GXDLMSObjectCollection objs = cosem.ParseObjects((byte[])allData, true);
allData = null;
//Now we know exact number of read registers. Update progress bar again.
int max = objs.Count;
Trace("--- Read scalars ---\r\n");
//Now 2/5 or actions is done.
Progress(2 * max, 5 * max);
GXCategory dataItems = new GXCategory();
dataItems.Name = "Data Items";
GXCategory registers = new GXCategory();
registers.Name = "Registers";
Device.Categories.Add(dataItems);
Device.Categories.Add(registers);
int pos = 0;
foreach (GXDLMSObject it in objs)
{
++pos;
//Skip association views.
if (it.ObjectType == ObjectType.AssociationLogicalName ||
it.ObjectType == ObjectType.AssociationShortName)
{
continue;
}
if (it.ObjectType != ObjectType.ProfileGeneric)
{
object prop = UpdateData(media, Device, wt, cosem, man, it, dataItems, registers);
//Read scaler and unit
if (it.ObjectType == ObjectType.Register)
{
try
{
data = cosem.Read(it.Name, it.ObjectType, 3)[0];
allData = ReadDataBlock(cosem, media, data, wt, 2);
cosem.UpdateValue(allData, it, 3);
Gurux.DLMS.Objects.GXDLMSRegister item = it as Gurux.DLMS.Objects.GXDLMSRegister;
GXDLMSRegister r = prop as GXDLMSRegister;
r.Scaler = item.Scaler;
r.Unit = item.Unit.ToString();
}
//Ignore HW error and read next.
catch (GXDLMSException)
{
continue;
}
catch (Exception Ex)
{
throw new Exception("DLMS Register Scaler and Unit read failed. " + Ex.Message);
}
}
//Read scaler and unit
else if (it.ObjectType == ObjectType.ExtendedRegister)
{
try
{
data = cosem.Read(it.Name, it.ObjectType, 3)[0];
allData = ReadDataBlock(cosem, media, data, wt, 2);
cosem.UpdateValue(allData, it, 3);
Gurux.DLMS.Objects.GXDLMSExtendedRegister item = it as Gurux.DLMS.Objects.GXDLMSExtendedRegister;
GXDLMSCategory cat = prop as GXDLMSCategory;
GXDLMSRegister r = cat.Properties[0] as GXDLMSRegister;
r.Scaler = item.Scaler;
r.Unit = item.Unit.ToString();
cat.Properties[1].SetValue(item.Scaler.ToString() + ", " + item.Unit.ToString(), true, PropertyStates.None);
}
//Ignore HW error and read next.
catch (GXDLMSException)
{
continue;
}
catch (Exception Ex)
{
throw new Exception("DLMS Register Scaler and Unit read failed. " + Ex.Message);
}
}
//Read scaler and unit
else if (it.ObjectType == ObjectType.DemandRegister)
{
try
{
data = cosem.Read(it.Name, it.ObjectType, 3)[0];
allData = ReadDataBlock(cosem, media, data, wt, 2);
cosem.UpdateValue(allData, it, 3);
Gurux.DLMS.Objects.GXDLMSDemandRegister item = it as Gurux.DLMS.Objects.GXDLMSDemandRegister;
GXDLMSCategory cat = prop as GXDLMSCategory;
cat.Properties[2].SetValue(item.Scaler.ToString() + ", " + item.Unit.ToString(), true, PropertyStates.None);
GXDLMSRegister r = cat.Properties[0] as GXDLMSRegister;
r.Scaler = item.Scaler;
r.Unit = item.Unit.ToString();
r = cat.Properties[1] as GXDLMSRegister;
r.Scaler = item.Scaler;
r.Unit = item.Unit.ToString();
}
//Ignore HW error and read next.
catch (GXDLMSException)
{
continue;
}
catch (Exception Ex)
{
throw new Exception("DLMS Register Scaler and Unit read failed. " + Ex.Message);
}
}
}
//Now 3/5 actions is done.
double tmp = pos * max;
tmp /= max;
tmp += 2 * max;
Progress((int) tmp , 5 * max);
}
//Now 3/5 actions is done.
Progress(3 * max, 5 * max);
Trace("--- Read Generic profiles ---\r\n");
GXDLMSObjectCollection pg = objs.GetObjects(ObjectType.ProfileGeneric);
foreach (GXDLMSProfileGeneric it in pg)
{
try
{
allData = ReadDataBlock(cosem, media, cosem.Read(it.Name, it.ObjectType, 3)[0], wt, 3);
cosem.UpdateValue(allData, it, 3);
UpdateData(media, Device, wt, cosem, man, it, dataItems, registers);
}
//Ignore HW error and read next.
catch (GXDLMSException)
{
continue;
}
catch (Exception Ex)
{
Trace("DLMS Generic Profile read failed. " + Ex.Message + Environment.NewLine);
}
}
//Now 4/5 actions is done.
Progress(4 * max, 5 * max);
//Update IEC HDLC interval if found.
GXDLMSObjectCollection objects = objs.GetObjects(ObjectType.IecHdlcSetup);
if (objects.Count != 0)
{
allData = ReadDataBlock(cosem, media, cosem.Read(objects[0].Name, objects[0].ObjectType, 8)[0], wt, 5);
//Minus 10 second.
Device.Keepalive.Interval = (Convert.ToInt32(cosem.GetValue(allData)) - 10) * 1000;
}
//Now all actions are done.
Progress(max, max);
Trace("--- Succeeded ---\r\n");
}
finally
{
if (cosem != null && media != null)
{
Trace("--- Disconnecting ---\r\n");
byte[] allData = null;
if (cosem != null)
{
//Network standard don't need this.
if (!(media is GXNet && Device.SupportNetworkSpecificSettings))
{
try
{
reply = ReadDLMSPacket(cosem, media, cosem.DisconnectRequest(), wt);
cosem.GetDataFromPacket(reply, ref allData);
}
catch (Exception Ex)
{
Trace("DisconnectRequest failed. " + Ex.Message);
}
}
}
if (media != null)
{
media.Close();
media = null;
}
Trace("--- Disconnected ---\r\n--- Done---\r\n");
}
}
}
/// <summary>
/// Read DLMS Data from the device.
/// </summary>
/// <param name="data">Data to send.</param>
/// <returns>Received data.</returns>
public void ReadDLMSPacket(byte[] data, GXReplyData reply)
{
if (data == null && !reply.IsStreaming())
{
return;
}
GXReplyData notify = new GXReplyData();
reply.Error = 0;
object eop = (byte)0x7E;
//In network connection terminator is not used.
if (Client.InterfaceType == InterfaceType.WRAPPER)
{
eop = null;
}
int pos = 0;
bool succeeded = false;
ReceiveParameters <byte[]> p = new ReceiveParameters <byte[]>()
{
Eop = eop,
WaitTime = WaitTime,
};
if (eop == null)
{
p.Count = 8;
}
else
{
p.Count = 5;
}
GXByteBuffer rd = new GXByteBuffer();
lock (Media.Synchronous)
{
while (!succeeded && pos != 3)
{
if (!reply.IsStreaming())
{
WriteTrace("TX:\t" + DateTime.Now.ToLongTimeString() + "\t" + GXCommon.ToHex(data, true));
Media.Send(data, null);
}
succeeded = Media.Receive(p);
if (!succeeded)
{
if (++pos >= RetryCount)
{
throw new Exception("Failed to receive reply from the device in given time.");
}
//If Eop is not set read one byte at time.
if (p.Eop == null)
{
p.Count = 1;
}
//Try to read again...
System.Diagnostics.Debug.WriteLine("Data send failed. Try to resend " + pos.ToString() + "/3");
}
}
rd = new GXByteBuffer(p.Reply);
try
{
pos = 0;
//Loop until whole COSEM packet is received.
while (!Client.GetData(rd, reply, notify))
{
p.Reply = null;
if (notify.IsComplete && notify.Data.Data != null)
{
//Handle notify.
if (!notify.IsMoreData)
{
//Show received push message as XML.
string xml;
GXDLMSTranslator t = new GXDLMSTranslator(TranslatorOutputType.SimpleXml);
t.DataToXml(notify.Data, out xml);
Console.WriteLine(xml);
notify.Clear();
continue;
}
}
if (p.Eop == null)
{
p.Count = Client.GetFrameSize(rd);
}
while (!Media.Receive(p))
{
if (++pos >= RetryCount)
{
throw new Exception("Failed to receive reply from the device in given time.");
}
//If echo.
if (rd == null || rd.Size == data.Length)
{
Media.Send(data, null);
}
//Try to read again...
System.Diagnostics.Debug.WriteLine("Data send failed. Try to resend " + pos.ToString() + "/3");
}
rd.Set(p.Reply);
}
}
catch (Exception ex)
{
WriteTrace("RX:\t" + DateTime.Now.ToLongTimeString() + "\t" + rd);
throw ex;
}
}
WriteTrace("RX:\t" + DateTime.Now.ToLongTimeString() + "\t" + rd);
if (reply.Error != 0)
{
if (reply.Error == (short)ErrorCode.Rejected)
{
Thread.Sleep(1000);
ReadDLMSPacket(data, reply);
}
else
{
throw new GXDLMSException(reply.Error);
}
}
}
private static void InitializeIEC(TraceLevel trace, Media media)
{
GXSerial serial = (GXSerial)media.Target;
serial.BaudRate = 300;
serial.DataBits = 7;
serial.Parity = Parity.Even;
serial.StopBits = StopBits.One;
byte Terminator = (byte)0x0A;
//Some meters need a little break.
Thread.Sleep(1000);
//Query device information.
string data = "/?!\r\n";
WriteLog(trace, "IEC Sending:" + data);
if (media.WaitTime == 0)
{
media.WaitTime = 5;
}
ReceiveParameters <string> p = new ReceiveParameters <string>()
{
AllData = false,
Eop = Terminator,
WaitTime = media.WaitTime * 1000
};
lock (media.Target.Synchronous)
{
media.Target.Send(data, null);
if (!media.Target.Receive(p))
{
DiscIEC(media);
string str = "Failed to receive reply from the device in given time.";
WriteLog(trace, str);
media.Target.Send(data, null);
if (!media.Target.Receive(p))
{
throw new Exception(str);
}
}
//If echo is used.
if (p.Reply == data)
{
p.Reply = null;
if (!media.Target.Receive(p))
{
data = "Failed to receive reply from the device in given time.";
WriteLog(trace, data);
throw new Exception(data);
}
}
}
WriteLog(trace, "IEC received: " + p.Reply);
if (p.Reply[0] != '/')
{
p.WaitTime = 100;
media.Target.Receive(p);
throw new Exception("Invalid responce.");
}
string manufactureID = p.Reply.Substring(1, 3);
char baudrate = p.Reply[4];
int BaudRate;
switch (baudrate)
{
case '0':
BaudRate = 300;
break;
case '1':
BaudRate = 600;
break;
case '2':
BaudRate = 1200;
break;
case '3':
BaudRate = 2400;
break;
case '4':
BaudRate = 4800;
break;
case '5':
BaudRate = 9600;
break;
case '6':
BaudRate = 19200;
break;
default:
throw new Exception("Unknown baud rate.");
}
if (media.MaximumBaudRate != 0)
{
BaudRate = media.MaximumBaudRate;
baudrate = GetIecBaudRate(BaudRate);
WriteLog(trace, "Maximum BaudRate is set to : " + BaudRate.ToString());
}
WriteLog(trace, "BaudRate is : " + BaudRate.ToString());
//Send ACK
//Send Protocol control character
// "2" HDLC protocol procedure (Mode E)
byte controlCharacter = (byte)'2';
//Send Baud rate character
//Mode control character
byte ModeControlCharacter = (byte)'2';
//"2" //(HDLC protocol procedure) (Binary mode)
//Set mode E.
byte[] arr = new byte[] { 0x06, controlCharacter, (byte)baudrate, ModeControlCharacter, 13, 10 };
WriteLog(trace, "Moving to mode E. " + GXCommon.ToHex(arr));
lock (media.Target.Synchronous)
{
p.Reply = null;
media.Target.Send(arr, null);
p.WaitTime = 2000;
//Note! All meters do not echo this.
media.Target.Receive(p);
if (p.Reply != null)
{
WriteLog(trace, "Received: " + p.Reply);
}
media.Target.Close();
serial.BaudRate = BaudRate;
serial.DataBits = 8;
serial.Parity = Parity.None;
serial.StopBits = StopBits.One;
serial.Open();
//Some meters need this sleep. Do not remove.
Thread.Sleep(1000);
}
}
void InitSerial()
{
GXSerial serial = Media as GXSerial;
byte Terminator = (byte)0x0A;
if (serial != null && InitializeIEC)
{
serial.BaudRate = 300;
serial.DataBits = 7;
serial.Parity = Parity.Even;
serial.StopBits = StopBits.One;
}
Media.Open();
//Query device information.
if (Media != null && InitializeIEC)
{
string data = "/?!\r\n";
if (Trace)
{
Console.WriteLine("IEC sending:" + data);
}
ReceiveParameters<string> p = new ReceiveParameters<string>()
{
Eop = Terminator,
WaitTime = WaitTime
};
lock (Media.Synchronous)
{
WriteTrace("<- " + DateTime.Now.ToLongTimeString() + "\t" + GXCommon.ToHex(ASCIIEncoding.ASCII.GetBytes(data), true));
Media.Send(data, null);
if (!Media.Receive(p))
{
//Try to move away from mode E.
try
{
ReadDLMSPacket(Client.DisconnectRequest());
}
catch (Exception)
{
}
data = (char)0x01 + "B0" + (char)0x03;
Media.Send(data, null);
p.Count = 1;
if (!Media.Receive(p))
{
}
data = "Failed to receive reply from the device in given time.";
Console.WriteLine(data);
throw new Exception(data);
}
WriteTrace("-> " + DateTime.Now.ToLongTimeString() + "\t" + GXCommon.ToHex(ASCIIEncoding.ASCII.GetBytes(p.Reply), true));
//If echo is used.
if (p.Reply == data)
{
p.Reply = null;
if (!Media.Receive(p))
{
//Try to move away from mode E.
ReadDLMSPacket(Client.DisconnectRequest());
if (serial != null)
{
data = (char)0x01 + "B0" + (char)0x03;
Media.Send(data, null);
p.Count = 1;
Media.Receive(p);
serial.BaudRate = 9600;
data = (char)0x01 + "B0" + (char)0x03 + "\r\n";
Media.Send(data, null);
p.Count = 1;
Media.Receive(p);
}
data = "Failed to receive reply from the device in given time.";
Console.WriteLine(data);
throw new Exception(data);
}
WriteTrace("-> " + DateTime.Now.ToLongTimeString() + "\t" + GXCommon.ToHex(ASCIIEncoding.ASCII.GetBytes(p.Reply), true));
}
}
Console.WriteLine("IEC received: " + p.Reply);
if (p.Reply[0] != '/')
{
p.WaitTime = 100;
Media.Receive(p);
throw new Exception("Invalid responce.");
}
string manufactureID = p.Reply.Substring(1, 3);
UpdateManufactureSettings(manufactureID);
char baudrate = p.Reply[4];
int BaudRate = 0;
switch (baudrate)
{
case '0':
BaudRate = 300;
break;
case '1':
BaudRate = 600;
break;
case '2':
BaudRate = 1200;
break;
case '3':
BaudRate = 2400;
break;
case '4':
BaudRate = 4800;
break;
case '5':
BaudRate = 9600;
break;
case '6':
BaudRate = 19200;
break;
default:
throw new Exception("Unknown baud rate.");
}
Console.WriteLine("BaudRate is : " + BaudRate.ToString());
//Send ACK
//Send Protocol control character
byte controlCharacter = (byte)'2';// "2" HDLC protocol procedure (Mode E)
//Send Baudrate character
//Mode control character
byte ModeControlCharacter = (byte)'2';//"2" //(HDLC protocol procedure) (Binary mode)
//Set mode E.
byte[] arr = new byte[] { 0x06, controlCharacter, (byte)baudrate, ModeControlCharacter, 13, 10 };
Console.WriteLine("Moving to mode E.", arr);
lock (Media.Synchronous)
{
WriteTrace("<- " + DateTime.Now.ToLongTimeString() + "\t" + GXCommon.ToHex(arr, true));
Media.Send(arr, null);
p.Reply = null;
if (!Media.Receive(p))
{
//Try to move away from mode E.
ReadDLMSPacket(Client.DisconnectRequest());
data = "Failed to receive reply from the device in given time.";
Console.WriteLine(data);
throw new Exception(data);
}
WriteTrace("-> " + DateTime.Now.ToLongTimeString() + "\t" + GXCommon.ToHex(ASCIIEncoding.ASCII.GetBytes(p.Reply), true));
Console.WriteLine("Received: " + p.Reply);
if (serial != null)
{
serial.BaudRate = BaudRate;
serial.DataBits = 8;
serial.Parity = Parity.None;
serial.StopBits = StopBits.One;
System.Threading.Thread.Sleep(300);
serial.ResetSynchronousBuffer();
}
}
}
}
void InitializeIEC()
{
GXManufacturer manufacturer = this.parent.Manufacturers.FindByIdentification(parent.Manufacturer);
if (manufacturer == null)
{
throw new Exception("Unknown manufacturer " + parent.Manufacturer);
}
GXSerial serial = media as GXSerial;
byte Terminator = (byte)0x0A;
media.Open();
//Query device information.
if (media != null && parent.StartProtocol == StartProtocolType.IEC)
{
string data = "/?!\r\n";
if (this.parent.HDLCAddressing == HDLCAddressType.SerialNumber)
{
data = "/?" + this.parent.PhysicalAddress + "!\r\n";
}
GXLogWriter.WriteLog("HDLC sending:" + data);
ReceiveParameters<string> p = new ReceiveParameters<string>()
{
AllData = false,
Eop = Terminator,
WaitTime = parent.WaitTime * 1000
};
lock (media.Synchronous)
{
media.Send(data, null);
if (!media.Receive(p))
{
//Try to move away from mode E.
try
{
GXReplyData reply = new GXReplyData();
this.ReadDLMSPacket(this.DisconnectRequest(), 1, reply);
}
catch (Exception)
{
}
data = (char)0x01 + "B0" + (char)0x03 + "\r\n";
media.Send(data, null);
p.Count = 1;
media.Receive(p);
data = "Failed to receive reply from the device in given time.";
GXLogWriter.WriteLog(data);
throw new Exception(data);
}
//If echo is used.
if (p.Reply == data)
{
p.Reply = null;
if (!media.Receive(p))
{
//Try to move away from mode E.
GXReplyData reply = new GXReplyData();
this.ReadDLMSPacket(this.DisconnectRequest(), 1, reply);
if (serial != null)
{
data = (char)0x01 + "B0" + (char)0x03 + "\r\n";
media.Send(data, null);
p.Count = 1;
if (!media.Receive(p))
{
}
serial.DtrEnable = serial.RtsEnable = false;
serial.BaudRate = 9600;
serial.DtrEnable = serial.RtsEnable = true;
data = (char)0x01 + "B0" + (char)0x03 + "\r\n";
media.Send(data, null);
p.Count = 1;
media.Receive(p);
}
data = "Failed to receive reply from the device in given time.";
GXLogWriter.WriteLog(data);
throw new Exception(data);
}
}
}
GXLogWriter.WriteLog("HDLC received: " + p.Reply);
if (p.Reply[0] != '/')
{
p.WaitTime = 100;
media.Receive(p);
throw new Exception("Invalid responce.");
}
string manufactureID = p.Reply.Substring(1, 3);
UpdateManufactureSettings(manufactureID);
char baudrate = p.Reply[4];
int BaudRate = 0;
switch (baudrate)
{
case '0':
BaudRate = 300;
break;
case '1':
BaudRate = 600;
break;
case '2':
BaudRate = 1200;
break;
case '3':
BaudRate = 2400;
break;
case '4':
BaudRate = 4800;
break;
case '5':
BaudRate = 9600;
break;
case '6':
BaudRate = 19200;
break;
default:
throw new Exception("Unknown baud rate.");
}
if (parent.MaximumBaudRate != 0)
{
BaudRate = parent.MaximumBaudRate;
GXLogWriter.WriteLog("Maximum BaudRate is set to : " + BaudRate.ToString());
}
GXLogWriter.WriteLog("BaudRate is : " + BaudRate.ToString());
//Send ACK
//Send Protocol control character
byte controlCharacter = (byte)'2';// "2" HDLC protocol procedure (Mode E)
//Send Baud rate character
//Mode control character
byte ModeControlCharacter = (byte)'2';//"2" //(HDLC protocol procedure) (Binary mode)
//Set mode E.
byte[] arr = new byte[] { 0x06, controlCharacter, (byte)baudrate, ModeControlCharacter, 13, 10 };
GXLogWriter.WriteLog("Moving to mode E.", arr);
lock (media.Synchronous)
{
media.Send(arr, null);
System.Threading.Thread.Sleep(500);
serial.BaudRate = BaudRate;
p.Reply = null;
p.WaitTime = 100;
//Note! All meters do not echo this.
media.Receive(p);
if (p.Reply != null)
{
GXLogWriter.WriteLog("Received: " + p.Reply);
}
serial.Close();
serial.DataBits = 8;
serial.Parity = Parity.None;
serial.StopBits = StopBits.One;
serial.Open();
}
}
}
/// <summary>
/// Read DLMS Data from the device.
/// </summary>
/// <remarks>
/// If access is denied return null.
/// </remarks>
/// <param name="data">Data to send.</param>
/// <returns>Received data.</returns>
public byte[] ReadDLMSPacket(byte[] data, int tryCount)
{
if (data == null)
{
return(null);
}
object eop = (byte)0x7E;
//In network connection terminator is not used.
if (m_Cosem.InterfaceType == InterfaceType.Net && Media is GXNet && !Parent.UseRemoteSerial)
{
eop = null;
}
int pos = 0;
bool succeeded = false;
ReceiveParameters <byte[]> p = new ReceiveParameters <byte[]>()
{
AllData = false,
Eop = eop,
Count = 5,
WaitTime = Parent.WaitTime * 1000,
};
lock (Media.Synchronous)
{
if (data != null)
{
Media.Send(data, null);
}
while (!succeeded && pos != 3)
{
succeeded = Media.Receive(p);
if (!succeeded)
{
//Try to read again...
if (++pos != tryCount)
{
//If Eop is not set read one byte at time.
if (p.Eop == null)
{
p.Count = 1;
}
System.Diagnostics.Debug.WriteLine("Data send failed. Try to resend " + pos.ToString() + "/3");
Media.Send(data, null);
continue;
}
string err = "Failed to receive reply from the device in given time.";
GXLogWriter.WriteLog(err, p.Reply);
throw new Exception(err);
}
}
//Loop until whole COSEM packet is received.
while (!m_Cosem.IsDLMSPacketComplete(p.Reply))
{
//If Eop is not set read one byte at time.
if (p.Eop == null)
{
p.Count = 1;
}
if (!Media.Receive(p))
{
//Try to read again...
if (++pos != tryCount)
{
System.Diagnostics.Debug.WriteLine("Data send failed. Try to resend " + pos.ToString() + "/3");
continue;
}
string err = "Failed to receive reply from the device in given time.";
GXLogWriter.WriteLog(err, p.Reply);
throw new Exception(err);
}
}
}
GXLogWriter.WriteLog("Received data", p.Reply);
object errors = m_Cosem.CheckReplyErrors(data, p.Reply);
if (errors != null)
{
object[,] arr = (object[, ])errors;
int error = (int)arr[0, 0];
if (error == -1)
{
//If data is reply to the previous packet sent.
//This might happens sometimes.
if (m_Cosem.IsPreviousPacket(data, p.Reply))
{
return(ReadDLMSPacket(null));
}
else
{
throw new Exception(arr[0, 1].ToString());
}
}
throw new GXDLMSException(error);
}
return(p.Reply);
}
static public byte[] ReadReadout(IGXMedia media, string data, int wt)
{
ReceiveParameters<byte[]> p = new ReceiveParameters<byte[]>()
{
Eop = GetEops(),
WaitTime = wt
};
lock (media.Synchronous)
{
if (data != null)
{
media.Send(data, null);
}
do
{
if (!media.Receive(p))
{
//There is no eop or CRC.
break;
}
}
while (p.Reply[p.Reply.Length - 1] != 0x3);
//Read CRC if EOP is found.
if (p.Reply[p.Reply.Length - 1] == 0x3)
{
p.Eop = null;
p.Count = 1;
if (!media.Receive(p))
{
throw new Exception("Failed to receive reply from the device in given time.");
}
}
}
return p.Reply;
}
public void InitializeConnection()
{
if (!string.IsNullOrEmpty(Parent.Manufacturer))
{
UpdateManufactureSettings(Parent.Manufacturer);
}
if (Media is GXSerial)
{
GXLogWriter.WriteLog("Initializing serial connection.");
InitSerial();
ConnectionStartTime = DateTime.Now;
}
else if (Media is GXNet)
{
GXLogWriter.WriteLog("Initializing Network connection.");
InitNet();
//Some Electricity meters need some time before first message can be send.
System.Threading.Thread.Sleep(500);
}
else if (Media is Gurux.Terminal.GXTerminal)
{
GXLogWriter.WriteLog("Initializing Terminal connection.");
InitTerminal();
}
else
{
throw new Exception("Unknown media type.");
}
try
{
byte[] data, reply = null;
data = SNRMRequest();
if (data != null)
{
GXLogWriter.WriteLog("Send SNRM request.", data);
reply = ReadDLMSPacket(data, 1);
GXLogWriter.WriteLog("Parsing UA reply.", reply);
//Has server accepted client.
ParseUAResponse(reply);
GXLogWriter.WriteLog("Parsing UA reply succeeded.");
}
//Generate AARQ request.
//Split requests to multiple packets if needed.
//If password is used all data might not fit to one packet.
foreach (byte[] it in AARQRequest())
{
GXLogWriter.WriteLog("Send AARQ request", it);
reply = ReadDLMSPacket(it);
}
GXLogWriter.WriteLog("Parsing AARE reply", (byte[])reply);
try
{
//Parse reply.
ParseAAREResponse(reply);
}
catch (Exception Ex)
{
ReadDLMSPacket(DisconnectRequest(), 1);
throw Ex;
}
//If authentication is required.
if (m_Cosem.IsAuthenticationRequired)
{
foreach (byte[] it in m_Cosem.GetApplicationAssociationRequest())
{
GXLogWriter.WriteLog("Authenticating", it);
reply = ReadDLMSPacket(it);
}
m_Cosem.ParseApplicationAssociationResponse(reply);
}
}
catch (Exception ex)
{
if (Media is GXSerial && Parent.StartProtocol == StartProtocolType.IEC)
{
ReceiveParameters <string> p = new ReceiveParameters <string>()
{
Eop = (byte)0xA,
WaitTime = Parent.WaitTime * 1000
};
lock (Media.Synchronous)
{
string data = (char)0x01 + "B0" + (char)0x03 + "\r\n";
Media.Send(data, null);
Media.Receive(p);
}
}
throw ex;
}
GXLogWriter.WriteLog("Parsing AARE reply succeeded.");
Parent.KeepAliveStart();
}
/// <summary>
/// Read DLMS Data from the device.
/// </summary>
/// <remarks>
/// If access is denied return null.
/// </remarks>
/// <param name="data">Data to send.</param>
/// <returns>Received data.</returns>
public byte[] ReadDLMSPacket(byte[] data, int tryCount)
{
if (data == null)
{
return null;
}
object eop = (byte)0x7E;
//In network connection terminator is not used.
if (m_Cosem.InterfaceType == InterfaceType.Net && Media is GXNet && !Parent.UseRemoteSerial)
{
eop = null;
}
int pos = 0;
bool succeeded = false;
ReceiveParameters<byte[]> p = new ReceiveParameters<byte[]>()
{
AllData = false,
Eop = eop,
Count = 5,
WaitTime = Parent.WaitTime * 1000,
};
lock (Media.Synchronous)
{
if (data != null)
{
Media.Send(data, null);
}
while (!succeeded && pos != 3)
{
succeeded = Media.Receive(p);
if (!succeeded)
{
//Try to read again...
if (++pos != tryCount)
{
//If Eop is not set read one byte at time.
if (p.Eop == null)
{
p.Count = 1;
}
System.Diagnostics.Debug.WriteLine("Data send failed. Try to resend " + pos.ToString() + "/3");
Media.Send(data, null);
continue;
}
string err = "Failed to receive reply from the device in given time.";
GXLogWriter.WriteLog(err, p.Reply);
throw new Exception(err);
}
}
//Loop until whole COSEM packet is received.
while (!m_Cosem.IsDLMSPacketComplete(p.Reply))
{
//If Eop is not set read one byte at time.
if (p.Eop == null)
{
p.Count = 1;
}
if (!Media.Receive(p))
{
//Try to read again...
if (++pos != tryCount)
{
System.Diagnostics.Debug.WriteLine("Data send failed. Try to resend " + pos.ToString() + "/3");
continue;
}
string err = "Failed to receive reply from the device in given time.";
GXLogWriter.WriteLog(err, p.Reply);
throw new Exception(err);
}
}
}
GXLogWriter.WriteLog("Received data", p.Reply);
object errors = m_Cosem.CheckReplyErrors(data, p.Reply);
if (errors != null)
{
object[,] arr = (object[,])errors;
int error = (int)arr[0, 0];
if (error == -1)
{
//If data is reply to the previous packet sent.
//This might happens sometimes.
if (m_Cosem.IsPreviousPacket(data, p.Reply))
{
return ReadDLMSPacket(null);
}
else
{
throw new Exception(arr[0, 1].ToString());
}
}
throw new GXDLMSException(error);
}
return p.Reply;
}
private void Readout(object sender, GXPacket packet)
{
GXMBusDevice device = (GXMBusDevice)GetDeviceFromSender(sender);
IGXMedia media = (IGXMedia)device.GXClient.Media;
bool isSerial = device.GXClient.MediaType == "Serial";
if (isSerial)
{
((Gurux.Serial.GXSerial)media).BaudRate = 2400;
((Gurux.Serial.GXSerial)media).DataBits = 8;
((Gurux.Serial.GXSerial)media).Parity = System.IO.Ports.Parity.Even;
((Gurux.Serial.GXSerial)media).StopBits = System.IO.Ports.StopBits.One;
}
List<byte> buff = new List<byte>(new byte[] {0x10, 0x40, device.DeviceAddress});
buff.Add(CountShortFrameChecksum(buff.ToArray()));
buff.Add(0x16);
ReceiveParameters<byte[]> recParams = new ReceiveParameters<byte[]>();
lock (media.Synchronous)
{
recParams.AllData = true;
recParams.Count = 1;
recParams.Peek = false;
recParams.Eop = null;
recParams.Reply = null;
recParams.WaitTime = device.WaitTime;
media.Send(buff.ToArray(), null);
if (!media.Receive(recParams))
{
throw new Exception("Handshake timeout.");
}
}
System.Threading.Thread.Sleep(2000);
if (!(recParams.Reply.Length > 0 && recParams.Reply[0] == 0xE5))
{
throw new Exception("Invalid handshake response.");
}
packet.Bop = (byte)0x10;
packet.Eop = (byte)0x16;
packet.ChecksumSettings.Position = -2;
packet.ChecksumSettings.Type = ChecksumType.Sum8Bit;
packet.ChecksumSettings.Start = 1;
packet.ChecksumSettings.Count = -2;
packet.AppendData((byte)0x5B);
packet.AppendData(device.DeviceAddress);
m_PreviousFCB = -1;
}
public override void ImportFromDevice(Control[] addinPages, GXDevice device, Gurux.Common.IGXMedia media)
{
media.Eop = device.GXClient.Eop;
GXDLT645Device dev = device as GXDLT645Device;
dev.Parser.IgnoreFrame = false;
Dictionary<ulong, object> items = GXDLT645Property.ReadDataID();
GXCategory cat = device.Categories.Find("Default");
if (cat == null)
{
cat = new GXCategory("Default");
device.Categories.Add(cat);
}
media.Open();
int count = 0;
foreach (var it in items)
{
Progress(++count, items.Count);
byte[] data = dev.Parser.ReadValue(it.Key);
lock (media.Synchronous)
{
media.Send(data, null);
ReceiveParameters<byte[]> p = new ReceiveParameters<byte[]>()
{
Eop = media.Eop,
WaitTime = device.WaitTime
};
bool compleate = false;
try
{
while (!(compleate = dev.Parser.IsPacketComplete(it.Key, p.Reply)))
{
if (!media.Receive<byte[]>(p))
{
break;
}
}
}
catch (Exception ex)
{
Trace(ex.Message + Environment.NewLine);
}
// If data is not received or error has occurred.
if (!compleate || dev.Parser.IsError(p.Reply))
{
continue;
}
GXDLT645Data d = it.Value as GXDLT645Data;
if (d != null)
{
Trace(it.Key + " " + d.Name + Environment.NewLine);
cat.Properties.Add(new GXDLT645Property(it.Key, d.Name, d.Type, d.Access));
}
else
{
GXDLT645TableTemplate t = it.Value as GXDLT645TableTemplate;
Trace(it.Key + " " + t.Name + Environment.NewLine);
GXDLT645Table table = new GXDLT645Table();
table.Name = t.Name;
table.DataID = it.Key;
foreach (GXDLT645Data col in t.Columns)
{
table.Columns.Add(new GXDLT645Property(it.Key, col.Name, col.Type, col.Access));
}
device.Tables.Add(table);
}
}
}
}
private void StartWithIec()
{
//Query device information.
GXSerial serial = Media as GXSerial;
if (serial == null)
{
return;
}
if (UseIec)
{
serial.BaudRate = 300;
serial.DataBits = 7;
serial.Parity = System.IO.Ports.Parity.Even;
serial.StopBits = System.IO.Ports.StopBits.One;
}
else
{
serial.BaudRate = 9600;
serial.DataBits = 8;
serial.Parity = System.IO.Ports.Parity.None;
serial.StopBits = System.IO.Ports.StopBits.One;
}
byte Terminator = (byte)0x0A;
string data = "/?!\r\n";
if (Trace > TraceLevel.Info)
{
Console.WriteLine("IEC sending:" + data);
}
ReceiveParameters <string> p = new ReceiveParameters <string>()
{
Eop = Terminator,
WaitTime = WaitTime
};
lock (Media.Synchronous)
{
WriteTrace("<- " + DateTime.Now.ToLongTimeString() + "\t" + GXCommon.ToHex(ASCIIEncoding.ASCII.GetBytes(data), true));
Media.Send(data, null);
if (!Media.Receive(p))
{
//Try to move away from mode E.
try
{
GXReplyData reply = new GXReplyData();
ReadDLMSPacket(Client.DisconnectRequest(), reply);
}
catch (Exception)
{
}
data = (char)0x01 + "B0" + (char)0x03;
Media.Send(data, null);
p.Count = 1;
if (!Media.Receive(p))
{
}
data = "Failed to receive reply from the device in given time.";
Console.WriteLine(data);
throw new Exception(data);
}
WriteTrace("-> " + DateTime.Now.ToLongTimeString() + "\t" + GXCommon.ToHex(ASCIIEncoding.ASCII.GetBytes(p.Reply), true));
//If echo is used.
if (p.Reply == data)
{
p.Reply = null;
if (!Media.Receive(p))
{
//Try to move away from mode E.
GXReplyData reply = new GXReplyData();
ReadDLMSPacket(Client.DisconnectRequest(), reply);
if (serial != null)
{
data = (char)0x01 + "B0" + (char)0x03;
Media.Send(data, null);
p.Count = 1;
Media.Receive(p);
serial.BaudRate = 9600;
data = (char)0x01 + "B0" + (char)0x03 + "\r\n";
Media.Send(data, null);
p.Count = 1;
Media.Receive(p);
}
data = "Failed to receive reply from the device in given time.";
Console.WriteLine(data);
throw new Exception(data);
}
WriteTrace("-> " + DateTime.Now.ToLongTimeString() + "\t" + GXCommon.ToHex(ASCIIEncoding.ASCII.GetBytes(p.Reply), true));
}
}
Console.WriteLine("IEC received: " + p.Reply);
if (p.Reply[0] != '/')
{
p.WaitTime = 100;
Media.Receive(p);
throw new Exception("Invalid responce.");
}
string manufactureID = p.Reply.Substring(1, 3);
char baudrate = p.Reply[4];
int BaudRate = 0;
switch (baudrate)
{
case '0':
BaudRate = 300;
break;
case '1':
BaudRate = 600;
break;
case '2':
BaudRate = 1200;
break;
case '3':
BaudRate = 2400;
break;
case '4':
BaudRate = 4800;
break;
case '5':
BaudRate = 9600;
break;
case '6':
BaudRate = 19200;
break;
default:
throw new Exception("Unknown baud rate.");
}
Console.WriteLine("BaudRate is : " + BaudRate.ToString());
//Send ACK
//Send Protocol control character
byte controlCharacter = (byte)'2'; // "2" HDLC protocol procedure (Mode E)
//Send Baudrate character
//Mode control character
byte ModeControlCharacter = (byte)'2'; //"2" //(HDLC protocol procedure) (Binary mode)
//Set mode E.
byte[] arr = new byte[] { 0x06, controlCharacter, (byte)baudrate, ModeControlCharacter, 13, 10 };
Console.WriteLine("Moving to mode E.", arr);
lock (Media.Synchronous)
{
WriteTrace("<- " + DateTime.Now.ToLongTimeString() + "\t" + GXCommon.ToHex(arr, true));
Media.Send(arr, null);
p.Reply = null;
p.WaitTime = 2000;
//Note! All meters do not echo this.
Media.Receive(p);
if (p.Reply != null)
{
WriteTrace("-> " + DateTime.Now.ToLongTimeString() + "\t" + GXCommon.ToHex(ASCIIEncoding.ASCII.GetBytes(p.Reply), true));
Console.WriteLine("Received: " + p.Reply);
}
if (serial != null)
{
Media.Close();
serial.BaudRate = BaudRate;
serial.DataBits = 8;
serial.Parity = Parity.None;
serial.StopBits = StopBits.One;
Media.Open();
//Some meters need this sleep. Do not remove.
Thread.Sleep(1000);
}
}
}
/// <summary>
/// Read DLMS Data from the device.
/// </summary>
/// <param name="data">Data to send.</param>
/// <returns>Received data.</returns>
public void ReadDLMSPacket(byte[] data, GXReplyData reply)
{
if (data == null)
{
return;
}
reply.Error = 0;
object eop = (byte)0x7E;
//In network connection terminator is not used.
if (Client.InterfaceType == InterfaceType.WRAPPER && Media is GXNet)
{
eop = null;
}
int pos = 0;
bool succeeded = false;
ReceiveParameters<byte[]> p = new ReceiveParameters<byte[]>()
{
Eop = eop,
Count = 5,
WaitTime = WaitTime,
};
lock (Media.Synchronous)
{
while (!succeeded && pos != 3)
{
WriteTrace("<- " + DateTime.Now.ToLongTimeString() + "\t" + GXCommon.ToHex(data, true));
Media.Send(data, null);
succeeded = Media.Receive(p);
if (!succeeded)
{
//If Eop is not set read one byte at time.
if (p.Eop == null)
{
p.Count = 1;
}
//Try to read again...
if (++pos != 3)
{
System.Diagnostics.Debug.WriteLine("Data send failed. Try to resend " + pos.ToString() + "/3");
continue;
}
throw new Exception("Failed to receive reply from the device in given time.");
}
}
try
{
//Loop until whole COSEM packet is received.
while (!Client.GetData(p.Reply, reply))
{
//If Eop is not set read one byte at time.
if (p.Eop == null)
{
p.Count = 1;
}
while (!Media.Receive(p))
{
//If echo.
if (p.Reply.Length == data.Length)
{
Media.Send(data, null);
}
//Try to read again...
if (++pos != 3)
{
System.Diagnostics.Debug.WriteLine("Data send failed. Try to resend " + pos.ToString() + "/3");
continue;
}
throw new Exception("Failed to receive reply from the device in given time.");
}
}
}
catch (Exception ex)
{
WriteTrace("-> " + DateTime.Now.ToLongTimeString() + "\t" + GXCommon.ToHex(p.Reply, true));
throw ex;
}
}
WriteTrace("-> " + DateTime.Now.ToLongTimeString() + "\t" + GXCommon.ToHex(p.Reply, true));
if (reply.Error != 0)
{
if (reply.Error == (short)ErrorCode.Rejected)
{
Thread.Sleep(1000);
ReadDLMSPacket(data, reply);
}
else
{
throw new GXDLMSException(reply.Error);
}
}
}
/// <summary>
/// Read DLMS Data from the device.
/// </summary>
/// <remarks>
/// If access is denied return null.
/// </remarks>
/// <param name="data">Data to send.</param>
/// <returns>Received data.</returns>
public void ReadDLMSPacket(byte[] data, int tryCount, GXReplyData reply)
{
if (data == null)
{
return;
}
object eop = (byte)0x7E;
//In network connection terminator is not used.
if (client.InterfaceType == InterfaceType.WRAPPER && media is GXNet && !parent.UseRemoteSerial)
{
eop = null;
}
int pos = 0;
bool succeeded = false;
ReceiveParameters<byte[]> p = new ReceiveParameters<byte[]>()
{
AllData = false,
Eop = eop,
Count = 5,
WaitTime = parent.WaitTime * 1000,
};
lock (media.Synchronous)
{
if (data != null)
{
media.Send(data, null);
}
while (!succeeded && pos != 3)
{
succeeded = media.Receive(p);
if (!succeeded)
{
//Try to read again...
if (++pos != tryCount)
{
//If Eop is not set read one byte at time.
if (p.Eop == null)
{
p.Count = 1;
}
System.Diagnostics.Debug.WriteLine("Data send failed. Try to resend " + pos.ToString() + "/3");
media.Send(data, null);
continue;
}
string err = "Failed to receive reply from the device in given time.";
GXLogWriter.WriteLog(err, p.Reply);
throw new Exception(err);
}
}
try
{
//Loop until whole COSEM packet is received.
while (!client.GetData(p.Reply, reply))
{
//If Eop is not set read one byte at time.
if (p.Eop == null)
{
p.Count = 1;
}
if (!media.Receive(p))
{
//Try to read again...
if (++pos != tryCount)
{
System.Diagnostics.Debug.WriteLine("Data send failed. Try to resend " + pos.ToString() + "/3");
continue;
}
string err = "Failed to receive reply from the device in given time.";
GXLogWriter.WriteLog(err, p.Reply);
throw new Exception(err);
}
}
}
catch (Exception ex)
{
GXLogWriter.WriteLog("Received data", p.Reply);
throw ex;
}
}
GXLogWriter.WriteLog("Received data", p.Reply);
if (reply.Error != 0)
{
if (reply.Error == (int)ErrorCode.Rejected)
{
Thread.Sleep(1000);
ReadDLMSPacket(data, tryCount, reply);
}
else
{
throw new GXDLMSException(reply.Error);
}
}
}
public void InitializeConnection()
{
if (!string.IsNullOrEmpty(parent.Manufacturer))
{
UpdateManufactureSettings(parent.Manufacturer);
}
if (media is GXSerial)
{
GXLogWriter.WriteLog("Initializing serial connection.");
InitSerial();
connectionStartTime = DateTime.Now;
}
else if (media is GXNet)
{
GXLogWriter.WriteLog("Initializing Network connection.");
InitNet();
//Some Electricity meters need some time before first message can be send.
System.Threading.Thread.Sleep(500);
}
else if (media is Gurux.Terminal.GXTerminal)
{
GXLogWriter.WriteLog("Initializing Terminal connection.");
InitTerminal();
}
else
{
media.Open();
}
try
{
GXReplyData reply = new GXReplyData();
byte[] data;
client.Limits.WindowSizeRX = parent.WindowSizeRX;
client.Limits.WindowSizeTX = parent.WindowSizeTX;
client.Limits.MaxInfoRX = parent.MaxInfoRX;
client.Limits.MaxInfoTX = parent.MaxInfoTX;
client.MaxReceivePDUSize = parent.PduSize;
client.Priority = parent.Priority;
client.ServiceClass = parent.ServiceClass;
data = SNRMRequest();
if (data != null)
{
ReadDataBlock(data, "Send SNRM request.", reply);
GXLogWriter.WriteLog("Parsing UA reply succeeded.");
//Has server accepted client.
ParseUAResponse(reply.Data);
}
//Generate AARQ request.
//Split requests to multiple packets if needed.
//If password is used all data might not fit to one packet.
reply.Clear();
ReadDataBlock(AARQRequest(), "Send AARQ request.", reply);
try
{
//Parse reply.
ParseAAREResponse(reply.Data);
GXLogWriter.WriteLog("Parsing AARE reply succeeded.");
}
catch (Exception Ex)
{
reply.Clear();
ReadDLMSPacket(DisconnectRequest(), 1, reply);
throw Ex;
}
//If authentication is required.
if (client.Authentication > Authentication.Low)
{
foreach (byte[] it in client.GetApplicationAssociationRequest())
{
GXLogWriter.WriteLog("Authenticating", it);
reply.Clear();
ReadDLMSPacket(it, reply);
}
client.ParseApplicationAssociationResponse(reply.Data);
}
}
catch (Exception ex)
{
if (media is GXSerial && parent.StartProtocol == StartProtocolType.IEC)
{
ReceiveParameters <string> p = new ReceiveParameters <string>()
{
Eop = (byte)0xA,
WaitTime = parent.WaitTime * 1000
};
lock (media.Synchronous)
{
string data = (char)0x01 + "B0" + (char)0x03 + "\r\n";
media.Send(data, null);
media.Receive(p);
}
}
throw ex;
}
parent.KeepAliveStart();
}
/// <summary>
/// Read DLMS Data from the device.
/// </summary>
/// <param name="data">Data to send.</param>
/// <returns>Received data.</returns>
public void ReadDLMSPacket(byte[] data, GXReplyData reply)
{
if (data == null)
{
return;
}
reply.Error = 0;
object eop = (byte)0x7E;
//In network connection terminator is not used.
if (Client.InterfaceType == InterfaceType.WRAPPER && Media is GXNet)
{
eop = null;
}
int pos = 0;
bool succeeded = false;
ReceiveParameters <byte[]> p = new ReceiveParameters <byte[]>()
{
Eop = eop,
Count = 5,
WaitTime = WaitTime,
};
lock (Media.Synchronous)
{
while (!succeeded && pos != 3)
{
WriteTrace("<- " + DateTime.Now.ToLongTimeString() + "\t" + GXCommon.ToHex(data, true));
Media.Send(data, null);
succeeded = Media.Receive(p);
if (!succeeded)
{
//If Eop is not set read one byte at time.
if (p.Eop == null)
{
p.Count = 1;
}
//Try to read again...
if (++pos != 3)
{
System.Diagnostics.Debug.WriteLine("Data send failed. Try to resend " + pos.ToString() + "/3");
continue;
}
throw new Exception("Failed to receive reply from the device in given time.");
}
}
try
{
//Loop until whole COSEM packet is received.
while (!Client.GetData(p.Reply, reply))
{
//If Eop is not set read one byte at time.
if (p.Eop == null)
{
p.Count = 1;
}
while (!Media.Receive(p))
{
//If echo.
if (p.Reply.Length == data.Length)
{
Media.Send(data, null);
}
//Try to read again...
if (++pos != 3)
{
System.Diagnostics.Debug.WriteLine("Data send failed. Try to resend " + pos.ToString() + "/3");
continue;
}
throw new Exception("Failed to receive reply from the device in given time.");
}
}
}
catch (Exception ex)
{
WriteTrace("-> " + DateTime.Now.ToLongTimeString() + "\t" + GXCommon.ToHex(p.Reply, true));
throw ex;
}
}
WriteTrace("-> " + DateTime.Now.ToLongTimeString() + "\t" + GXCommon.ToHex(p.Reply, true));
if (reply.Error != 0)
{
if (reply.Error == (short)ErrorCode.Rejected)
{
Thread.Sleep(1000);
ReadDLMSPacket(data, reply);
}
else
{
throw new GXDLMSException(reply.Error);
}
}
}
void InitSerial()
{
GXSerial serial = Media as GXSerial;
byte Terminator = (byte)0x0A;
if (serial != null && InitializeIEC)
{
serial.BaudRate = 300;
serial.DataBits = 7;
serial.Parity = Parity.Even;
serial.StopBits = StopBits.One;
}
Media.Open();
//Query device information.
if (Media != null && InitializeIEC)
{
string data = "/?001!\r\n";
if (Trace)
{
Console.WriteLine("HDLC sending:" + data);
}
ReceiveParameters <string> p = new ReceiveParameters <string>()
{
Eop = Terminator,
WaitTime = WaitTime
};
lock (Media.Synchronous)
{
Media.Send(data, null);
if (!Media.Receive(p))
{
//Try to move away from mode E.
throw new Exception("Failed to receive reply from the device in given time.");
}
//If echo is used.
if (p.Reply == data)
{
p.Reply = null;
if (!Media.Receive(p))
{
//Try to move away from mode E.
throw new Exception("Failed to receive reply from the device in given time.");
}
}
}
if (Trace)
{
Console.WriteLine("HDLC received: " + p.Reply);
}
if (p.Reply[0] != '/')
{
p.WaitTime = 100;
Media.Receive(p);
throw new Exception("Invalid responce.");
}
string manufactureID = p.Reply.Substring(1, 3);
//UpdateManufactureSettings(manufactureID);
char baudrate = p.Reply[4];
int BaudRate = 0;
switch (baudrate)
{
case '0':
BaudRate = 300;
break;
case '1':
BaudRate = 600;
break;
case '2':
BaudRate = 1200;
break;
case '3':
BaudRate = 2400;
break;
case '4':
BaudRate = 4800;
break;
case '5':
BaudRate = 9600;
break;
case '6':
BaudRate = 19200;
break;
default:
throw new Exception("Unknown baud rate.");
}
Console.WriteLine("BaudRate is :", BaudRate.ToString());
//Send ACK
//Send Protocol control character
byte controlCharacter = (byte)'2';// "2" HDLC protocol procedure (Mode E)
//Send Baudrate character
//Mode control character
byte ModeControlCharacter = (byte)'2';//"2" //(HDLC protocol procedure) (Binary mode)
//Set mode E.
byte[] arr = new byte[] { 0x06, controlCharacter, (byte)baudrate, ModeControlCharacter, 13, 10 };
if (Trace)
{
Console.WriteLine("Moving to mode E", BitConverter.ToString(arr));
}
lock (Media.Synchronous)
{
Media.Send(arr, null);
p.Reply = null;
p.WaitTime = 500;
if (!Media.Receive(p))
{
//Try to move away from mode E.
this.ReadDLMSPacket(m_Parser.DisconnectRequest());
throw new Exception("Failed to receive reply from the device in given time.");
}
}
if (serial != null)
{
serial.BaudRate = BaudRate;
serial.DataBits = 8;
serial.Parity = Parity.None;
serial.StopBits = StopBits.One;
}
}
}
