bool Init(bool exclusive)
{
//Load added objects.
if (!LoadSettings())
{
throw new Exception(string.Format("Invalid device template file {0}", objectsFile));
}
//Own listener isn't created if there are multiple meters in the same port.
if (!exclusive)
{
Media.OnReceived += new Gurux.Common.ReceivedEventHandler(OnReceived);
Media.OnClientConnected += new Gurux.Common.ClientConnectedEventHandler(OnClientConnected);
Media.OnClientDisconnected += new Gurux.Common.ClientDisconnectedEventHandler(OnClientDisconnected);
Media.OnError += new Gurux.Common.ErrorEventHandler(OnError);
}
if (!Media.IsOpen)
{
Media.Open();
}
///////////////////////////////////////////////////////////////////////
//Server must initialize after all objects are added.
Initialize();
return(true);
}
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);
}
}
}
public override void ImportFromDevice(Control[] addinPages, GXDevice device, Gurux.Common.IGXMedia media)
{
GXIEC62056Device dev = (GXIEC62056Device)device;
ImportSelectionDlg dlg = addinPages[1] as ImportSelectionDlg;
string deviceSerialNumber = dlg.DeviceSerialNumber;
int waittime = dev.WaitTime;
media.Open();
try
{
string data = "/?" + deviceSerialNumber + "!\r\n";
byte[] reply = IEC62056Parser.Identify(media, data, '\0', waittime);
if (reply[0] != '/')
{
throw new Exception("Invalid reply.");
}
char baudRate = (char)reply[4];
string CModeBauds = "0123456789";
string BModeBauds = "ABCDEFGHI";
Protocol mode;
if (CModeBauds.IndexOf(baudRate) != -1)
{
mode = Protocol.ModeC;
}
else if (BModeBauds.IndexOf(baudRate) != -1)
{
mode = Protocol.ModeB;
}
else
{
mode = Protocol.ModeA;
baudRate = '0';
}
if (reply[0] != '/')
{
throw new Exception("Import failed. Invalid reply.");
}
//If mode is not given.
if (dev.Mode == Protocol.None)
{
dev.Mode = mode;
}
data = ASCIIEncoding.ASCII.GetString(reply.ToArray());
string manufacturer = new string(new char[] { (char)reply[1], (char)reply[2], (char)reply[3] });
if (dev.Mode == Protocol.ModeA)
{
data = (char)0x06 + "0" + baudRate + "0\r\n";
}
else
{
data = (char)0x06 + "0" + baudRate + "1\r\n";
}
//Note this sleep is in standard. Do not remove.
if (media.MediaType == "Serial")
{
System.Threading.Thread.Sleep(200);
}
reply = IEC62056Parser.ParseHandshake(media, data, baudRate, waittime);
string header, frame;
IEC62056Parser.GetPacket(new List <byte>(reply), true, out header, out frame);
System.Diagnostics.Debug.WriteLine(frame);
if (header == "B0")
{
throw new Exception("Connection failed. Meter do not accept connection at the moment.");
}
//Password is asked.
if (header == "P0")
{
System.Diagnostics.Debug.WriteLine("Password is asked.");
}
//Note this sleep is in standard. Do not remove.
if (media.MediaType == "Serial")
{
System.Threading.Thread.Sleep(200);
}
if (dev.Mode == Protocol.ModeA)
{
GXCategory defaultCategory = new GXIEC62056ReadoutCategory();
defaultCategory.Name = "Readout";
device.Categories.Add(defaultCategory);
}
else
{
GXCategory defaultCategory = null;
defaultCategory = new GXIEC62056Category();
defaultCategory.Name = "Properties";
device.Categories.Add(defaultCategory);
foreach (string it in IEC62056Parser.GetGeneralOBISCodes())
{
try
{
//Note this sleep is in standard. Do not remove.
if (media is Gurux.Serial.GXSerial)
{
System.Threading.Thread.Sleep(200);
}
if (!it.StartsWith("P."))
{
string value = IEC62056Parser.ReadValue(media, waittime, it + "()", 2);
if (!Convert.ToString(value).StartsWith("ER"))
{
GXIEC62056Property prop = new GXIEC62056Property();
prop.AccessMode = AccessMode.Read;
prop.ReadMode = dev.ReadMode;
prop.WriteMode = dev.WriteMode;
prop.Name = IEC62056Parser.GetDescription(it);
prop.Data = it;
prop.DataType = IEC62056Parser.GetDataType(it);
if (prop.DataType == DataType.DateTime ||
prop.DataType == DataType.Date ||
prop.DataType == DataType.Time)
{
prop.ValueType = typeof(DateTime);
}
defaultCategory.Properties.Add(prop);
TraceLine("Property " + prop.Name + " added.");
}
}
else
{
object[][] rows;
//Try to read last hour first.
TimeSpan add = new TimeSpan(1, 0, 0);
DateTime start = DateTime.Now.Add(-add);
string[] columns = null;
do
{
try
{
rows = IEC62056Parser.ReadTable(media, waittime, it, start, DateTime.Now, null, 5, 1, out columns);
}
catch
{
//If media is closed.
if (!media.IsOpen)
{
break;
}
rows = new object[0][];
}
if (rows.Length == 0)
{
if (add.TotalHours == 1)
{
//Try to read last day.
add = new TimeSpan(1, 0, 0, 0);
start = DateTime.Now.Add(-add).Date;
}
else if (add.TotalHours == 24)
{
//Try to read last week.
add = new TimeSpan(7, 0, 0, 0);
start = DateTime.Now.Add(-add).Date;
}
else if (add.TotalDays == 7)
{
//Try to read last month.
add = new TimeSpan(31, 0, 0, 0);
start = DateTime.Now.Add(-add).Date;
}
else if (add.TotalDays == 31)
{
//Read all.
add = new TimeSpan(100, 0, 0, 0);
start = DateTime.MinValue;
}
else
{
break;
}
//Note this sleep is in standard. Do not remove.
if (media is Gurux.Serial.GXSerial)
{
System.Threading.Thread.Sleep(200);
}
}
else
{
GXIEC62056Table table = new GXIEC62056Table();
table.Name = IEC62056Parser.GetDescription(it);
table.AccessMode = AccessMode.Read;
table.Data = it;
table.ReadMode = 6;
int index = -1;
foreach (string col in columns)
{
GXIEC62056Property prop = new GXIEC62056Property();
prop.Name = col;
//Mikko prop.Name = IEC62056Parser.GetDescription(col);
prop.Data = col;
prop.ValueType = rows[0][++index].GetType();
table.Columns.Add(prop);
}
device.Tables.Add(table);
TraceLine("Property " + table.Name + " added.");
break;
}
}while (rows.Length == 0);
}
}
catch (Exception ex)
{
System.Diagnostics.Debug.WriteLine(ex.Message);
}
}
}
}
finally
{
if (media.MediaType == "Serial" || media.MediaType == "Terminal")
{
IEC62056Parser.Disconnect(media, 2);
}
media.Close();
}
}
