public override byte[] PackRequest()
{
byte[] request = new byte[25];
DNP3WriteCommandParameters commandParam = (DNP3WriteCommandParameters)CommandParameters;
CommandParameters.Length = 18;
Buffer.BlockCopy(headerBuilder.Build(CommandParameters), 0, request, 0, 10);
request[10] = commandParam.TransportControl;
request[11] = commandParam.AplicationControl;
request[12] = commandParam.FunctionCode;
Buffer.BlockCopy(BitConverter.GetBytes(IPAddress.HostToNetworkOrder((short)commandParam.ObjectTypeField)), 0, request, 13, 2);
request[15] = commandParam.Qualifier;
Buffer.BlockCopy(BitConverter.GetBytes(Convert.ToUInt16(commandParam.RangeField)), 0, request, 16, 2);
Buffer.BlockCopy(BitConverter.GetBytes(Convert.ToUInt16(commandParam.Prefix)), 0, request, 18, 2);
Buffer.BlockCopy(BitConverter.GetBytes(Convert.ToUInt16(commandParam.Value)), 0, request, 20, 2);
request[22] = 0x00;
ushort crc1 = 0;
for (int i = 10; i < 23; i++)
{
CrcCalculator.computeCRC(request[i], ref crc1);
}
crc1 = (ushort)(~crc1);
Buffer.BlockCopy(BitConverter.GetBytes(crc1), 0, request, 23, 2);
return(request);
}
public static IDNP3Function CreateWriteFunction(DNP3WriteCommandParameters parameters)
{
switch ((TypeField)parameters.ObjectTypeField)
{
case TypeField.BINARY_COMMAND:
return(new WriteDiscreteOutput(parameters));
case TypeField.ANALOG_OUTPUT_16BIT:
return(new WriteAnalogOutput(parameters));
default: return(null);
}
}
public void ExecuteWriteCommand(RegisterType type, uint index, uint value)
{
DNP3WriteCommandParameters dnp3CommandParam = new DNP3WriteCommandParameters(GetApplicationSequence(), (byte)DNP3FunctionCode.DIRECT_OPERATE, GetTypeField(type, true),
(byte)Qualifier.PREFIX_2_OCTET_COUNT_OF_OBJECTS_2_OCTET, 1, index, value, GetTransportSequence());
IDNP3Function dnp3Fn = DNP3FunctionFactory.CreateWriteFunction(dnp3CommandParam);
this.functionExecutor.EnqueueCommand(dnp3Fn);
var point = storage.GetSingle(type, (int)index);
if (point != null && point.RegisterType == RegisterType.BINARY_OUTPUT)
{
dom.AddOrUpdate(new SCADA.Common.Models.DomDbModel()
{
Mrid = point.Mrid, TimeStamp = DateTime.Now.ToString()
});
}
}
