private void ParseReadoutReply(GXPacket packet, GXMBusCategory category)
{
List<byte> dataBuff = new List<byte>();
dataBuff.Add((byte)packet.Bop);
dataBuff.AddRange((byte[])packet.ExtractData(typeof(byte[]), 0, -1));
dataBuff.Add((byte)packet.Checksum);
dataBuff.Add((byte)packet.Eop);
List<MBusRegister> registers = MBus.ParseReadReply(dataBuff.ToArray());
for (int pos = 0; pos < registers.Count; ++pos)
{
foreach (GXMBusProperty it in category.Properties)
{
if (it.Ordinal == pos)
{
it.SetValue(registers[pos].Value, false, PropertyStates.ValueChangedByDevice);
break;
}
}
}
}
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);
}
}
}