private void DisconnectReply(object sender, GXPacket[] packets)
{
string header, data;
List <byte> buff = new List <byte>(packets[0].ExtractPacket());
IEC62056Parser.GetPacket(buff, true, out header, out data);
}
private void ReadTableData(object sender, GXPacket packet)
{
GXIEC62056Table table = sender as GXIEC62056Table;
DateTime start, end;
(sender as IGXPartialRead).GetStartEndTime(out start, out end);
packet.AppendData(IEC62056Parser.GenerateReadTable(table.Data, start, end, table.Parameters, table.ReadMode, table.ReadCount));
}
private void Connect(string serialNumber, string password, Protocol protocol, IGXMedia media, int waittime)
{
string data = "/?" + serialNumber + "!\r\n";
byte[] reply = IEC62056Parser.Identify(media, data, '\0', waittime);
System.Diagnostics.Debug.WriteLine(ASCIIEncoding.ASCII.GetString(reply));
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.");
}
string manufacturer = new string(new char[] { (char)reply[1], (char)reply[2], (char)reply[3] });
if (protocol == 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.
System.Threading.Thread.Sleep(300);
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 and it is given.
if (header == "P0" && !string.IsNullOrEmpty(password))
{
System.Diagnostics.Debug.WriteLine("Password is asked.");
//If Elster A1700
if (manufacturer.Equals("GEC"))
{
password = ElsterEncrypt(password, frame);
}
data = (char)1 + "P2" + (char)2 + "(" + password + ")" + (char)3;
List <byte> tmp = new List <byte>(ASCIIEncoding.ASCII.GetBytes(data));
data = data + (char)IEC62056Parser.CalculateChecksum(tmp, 1, -1);
reply = IEC62056Parser.Read(media, data, baudRate, waittime, true);
if (reply == null || (reply.Length != 1 && reply[0] != 6))
{
throw new Exception("Connection failed. Invalid password.");
}
}
}
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();
}
}
