public void start()
{
this.shouldStop = false;
if (mqttBrokerAddress == null)
{
throw new ArgumentOutOfRangeException("Mqtt Broker Address not initialized");
}
mqttClient = new uPLibrary.Networking.M2Mqtt.MqttClient(mqttBrokerAddress, mqttBrokerPort, false, null, null, uPLibrary.Networking.M2Mqtt.MqttSslProtocols.None);
string clientID = new Guid().ToString();
try
{
if (MqttUserName == null || MqttPassword == null)
{
mqttClient.Connect(clientID);
}
else
{
mqttClient.Connect(clientID, MqttUserName, MqttPassword);
}
if (!modbusClient.Connected)
{
modbusClient.Connect();
}
}
catch (Exception exc)
{
if (!this.AutomaticReconnect)
{
throw exc;
}
}
for (int i = 0; i < readOrders.Count; i++)
{
readOrders[i].thread = new System.Threading.Thread(new ParameterizedThreadStart(ProcessData));
readOrders[i].thread.Start(readOrders[i]);
}
}
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);
}
}
public bool Connect()
{
try
{
modbusClient = new ModbusClient(ip, port);
modbusClient.Connect();
modbusClient.akbReceiveDataChanged += OnReceiveDataChanged;
return(true);
}
catch (Exception)
{
throw;
}
}
public void start()
{
this.shouldStop = false;
if (mqttBrokerAddress == null)
{
throw new ArgumentOutOfRangeException("Mqtt Broker Address not initialized");
}
if (!modbusClient.Connected)
{
modbusClient.Connect();
}
mqttClient = new uPLibrary.Networking.M2Mqtt.MqttClient(mqttBrokerAddress);
string clientID = new Guid().ToString();
mqttClient.Connect(clientID);
for (int i = 0; i < readOrders.Count; i++)
{
readOrders[i].thread = new System.Threading.Thread(new ParameterizedThreadStart(ProcessData));
readOrders[i].thread.Start(readOrders[i]);
}
}
private void connect_Click(object sender, EventArgs e)
{
try
{
if (modbusClient.Connected)
{
modbusClient.Disconnect();
}
else
{
modbusClient.SerialPort = "COM3";
modbusClient.Baudrate = 38400;
modbusClient.Parity = System.IO.Ports.Parity.None;
modbusClient.StopBits = System.IO.Ports.StopBits.One;
modbusClient.Connect();
}
}
catch (Exception exc)
{
MessageBox.Show(exc.Message, "Unable to connect to Server", MessageBoxButtons.OK, MessageBoxIcon.Error);
}
}
private void setText()
{
seww.Connect();
seww.receiveDataChanged += new ModbusClient.ReceiveDataChanged(get);
}
private void btnPortConnect_Click(object sender, EventArgs e)
{
if (btnPortConnect.Text == "Connect")
{
if (comboBoxPorts.SelectedItem == null)
{
Debug.WriteLine("Connection not possible. No Port selected.");
txtFetchError.Text = "Choose a serial port first!";
return;
}
try
{
// Configure the modbusClient (Master)
modbusClient.SerialPort = comboBoxPorts.SelectedItem.ToString();
modbusClient.UnitIdentifier = SLAVE_ADDR;
modbusClient.Baudrate = BAUDRATE;
// The MODBUS implementation on FW side doesn't work with any parities except "NONE"
modbusClient.Parity = System.IO.Ports.Parity.None;
modbusClient.StopBits = System.IO.Ports.StopBits.One;
modbusClient.Connect();
if (modbusClient.Connected)
{
txtConnectState.Text = "Connected!";
txtConnectState.BackColor = Color.Lime;
txtComErrors.Text = "";
}
/**
* Read 'default' settings from the firmware via modbus.
* (Which mode, how many batteries, how many cells per battery, etc.)
*
* Show info in the status textbox (green or red)
*/
try
{
/* --- Fetch server response --- */
int[] serverResponse = modbusClient.ReadHoldingRegisters(HOLDING_REG_START - 1, HOLDING_REG_NUM_REGS);
Debug.WriteLine("Read DEFAULT-settings from holding registers:");
updateCurrentSettings(serverResponse);
if ((ushort)serverResponse[8] == 1)
{
alertEmergencyStop();
}
}
catch (Exception exc)
{
Debug.WriteLine("Exception Reading HOLDING from Server.");
txtConnectState.Text = "MODBUS not connected";
txtConnectState.BackColor = Color.Red;
}
}
catch (Exception ex)
{
Debug.WriteLine("Exception occured. Could not connect to Port/Server.");
}
}
else
{
modbusClient.Disconnect();
txtConnectState.Text = "MODBUS not connected";
txtConnectState.BackColor = Color.Red;
clearData();
clearCurrentSettings();
}
}
