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;
}
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);
}
}
}
}
/// <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);
}
