public bool EstablishConnection(int address, MasterConnectionData connectionData)
{
ResetConnection();
_serialPort = new SerialPort();
_serialPort.BaudRate = (int)connectionData.BaudRate;
_serialPort.DataBits = (int)connectionData.DataBits;
_serialPort.Parity = connectionData.Parity;
_serialPort.StopBits = connectionData.StopBits;
_serialPort.PortName = connectionData.PortName;
try
{
_serialPort.Open();
_slave = ModbusSerialSlave.CreateAscii((byte)address, _serialPort);
_slave.Transport.ReadTimeout = connectionData.TimeoutInMs;
_slave.Transport.Retries = connectionData.RetransmissionCount;
_slave.Transport.SlaveBusyUsesRetryCount = true;
//_slave.ModbusSlaveRequestReceived += _receivedRequestEventHandler;
_slave.WriteComplete += _prepareAnswerEventHandler;
_slaveListenerThread = new Thread(_slave.Listen);
}
catch (Exception ex)
{
MessageBox.Show(ex.Message, "Could not establish connection.", MessageBoxButtons.OK,
MessageBoxIcon.Error);
return(false);
}
return(true);
}
public bool EstablishConnection(MasterConnectionData connectionData)
{
ResetConnection();
_serialPort = new SerialPort();
_serialPort.BaudRate = (int)connectionData.BaudRate;
_serialPort.DataBits = (int)connectionData.DataBits;
_serialPort.Parity = connectionData.Parity;
_serialPort.StopBits = connectionData.StopBits;
_serialPort.PortName = connectionData.PortName;
try
{
_serialPort.Open();
_master = ModbusSerialMaster.CreateAscii(_serialPort);
_master.Transport.ReadTimeout = connectionData.TimeoutInMs;
_master.Transport.Retries = connectionData.RetransmissionCount;
_master.Transport.SlaveBusyUsesRetryCount = true;
}
catch (Exception ex)
{
MessageBox.Show(ex.Message, "Could not establish connection.", MessageBoxButtons.OK,
MessageBoxIcon.Error);
return(false);
}
return(true);
}