private async Task TryConnect(EasyModbus.ModbusClient client, CancellationToken token)
{
int cnt = 1;
while (client.Connected == false)
{
try
{
client.Connect();
//client.Disconnect();
if (client.Connected)
{
string connectingInfo = string.IsNullOrEmpty(client.IPAddress) ? $"RTU ({client.SerialPort})" : $"TCP ({client.IPAddress}:{client.Port})";
this.logger.Info($"Connecting to Modbus slave at {connectingInfo}");
}
else
{
throw new TimeoutException("Connect error");
}
//await Task.Delay(TimeSpan.FromSeconds(5), token);
}
catch (Exception ex)
{
this.logger.Error(ex, ex.Message);
this.logger.Info($"Attempting connection to Modbus Slave...Attempt #{cnt++}");
await Task.Delay(TimeSpan.FromSeconds(5), token);
}
}
}
public void GetValues(ConnectionProperties connectionProperties, int functionPropertyID)
{
modbusClient = connectionProperties.modbusClient;
if (!modbusClient.Connected)
{
modbusClient.IPAddress = connectionProperties.ModbusTCPAddress;
modbusClient.Port = connectionProperties.Port;
modbusClient.Connect();
}
switch (connectionProperties.FunctionPropertiesList[functionPropertyID].FunctionCodeRead)
{
case FunctionCodeRd.ReadCoils:
connectionProperties.FunctionPropertiesList[functionPropertyID].values = modbusClient.ReadCoils(connectionProperties.FunctionPropertiesList[functionPropertyID].StartingAdress, connectionProperties.FunctionPropertiesList[functionPropertyID].Quantity);
break;
case FunctionCodeRd.ReadDiscreteInputs:
connectionProperties.FunctionPropertiesList[functionPropertyID].values = modbusClient.ReadDiscreteInputs(connectionProperties.FunctionPropertiesList[functionPropertyID].StartingAdress, connectionProperties.FunctionPropertiesList[functionPropertyID].Quantity);
break;
case FunctionCodeRd.ReadHoldingRegisters:
connectionProperties.FunctionPropertiesList[functionPropertyID].values = modbusClient.ReadHoldingRegisters(connectionProperties.FunctionPropertiesList[functionPropertyID].StartingAdress, connectionProperties.FunctionPropertiesList[functionPropertyID].Quantity);
break;
case FunctionCodeRd.ReadInputRegisters:
connectionProperties.FunctionPropertiesList[functionPropertyID].values = modbusClient.ReadInputRegisters(connectionProperties.FunctionPropertiesList[functionPropertyID].StartingAdress, connectionProperties.FunctionPropertiesList[functionPropertyID].Quantity);
break;
default: break;
}
if (valuesChanged != null)
{
valuesChanged(this);
}
}
private void mountModbusMaster()
{
modbusClient = new ModbusClient();
modbusClient.ReceiveDataChanged += new EasyModbus.ModbusClient.ReceiveDataChangedHandler(UpdateReceiveData);
modbusClient.SendDataChanged += new EasyModbus.ModbusClient.SendDataChangedHandler(UpdateSendData);
modbusClient.ConnectedChanged += new EasyModbus.ModbusClient.ConnectedChangedHandler(UpdateConnectedChanged);
}
public MainForm()
{
InitializeComponent();
modbusClient = new EasyModbus.ModbusClient();
modbusClient.ReceiveDataChanged += new EasyModbus.ModbusClient.ReceiveDataChangedHandler(UpdateReceiveData);
modbusClient.SendDataChanged += new EasyModbus.ModbusClient.SendDataChangedHandler(UpdateSendData);
modbusClient.ConnectedChanged += new EasyModbus.ModbusClient.ConnectedChangedHandler(UpdateConnectedChanged);
}
public EasyModbusWrapper(string IPAddress, int PortValue)
{
ModbusClient = new EasyModbus.ModbusClient();
//ModbusClient.SerialPort = "";
ModbusClient.receiveDataChanged += new EasyModbus.ModbusClient.ReceiveDataChanged(UpdateReceiveData);
ModbusClient.sendDataChanged += new EasyModbus.ModbusClient.SendDataChanged(UpdateSendData);
ModbusClient.connectedChanged += new EasyModbus.ModbusClient.ConnectedChanged(UpdateConnectedChanged);
ModbusClient.LogFileFilename = "AutoTronEasyModbusWrapper.txt";
ModbusClient.IPAddress = IPAddress;
ModbusClient.Port = PortValue;
}
//protected override void OnInitialize()
//{
// base.OnInitialize();
// InitializeModbus();
//}
private void InitializeModbus(ref EasyModbus.ModbusClient Client, ModbusConfig modbusConfig)
{
if (string.IsNullOrEmpty(modbusConfig.SerialPort))
{
Client = new EasyModbus.ModbusClient(modbusConfig.IpAddress, modbusConfig.Port);
}
else
{
Client = new EasyModbus.ModbusClient(modbusConfig.SerialPort);
Client.Baudrate = modbusConfig.BaudRate;
Client.StopBits = modbusConfig.StopBits;
Client.Parity = modbusConfig.Parity;
}
}