public void GetValues(ConnectionProperties connectionProperties)
{
modbusClient = connectionProperties.modbusClient;
if (!modbusClient.Connected)
{
modbusClient.IPAddress = connectionProperties.ModbusTCPAddress;
modbusClient.Port = connectionProperties.Port;
modbusClient.Connect();
}
foreach (FunctionProperties functionProperty in connectionProperties.FunctionPropertiesList)
{
switch (functionProperty.FunctionCodeRead)
{
case FunctionCodeRd.ReadCoils:
functionProperty.values = modbusClient.ReadCoils(functionProperty.StartingAdress, functionProperty.Quantity);
break;
case FunctionCodeRd.ReadDiscreteInputs:
functionProperty.values = modbusClient.ReadDiscreteInputs(functionProperty.StartingAdress, functionProperty.Quantity);
break;
case FunctionCodeRd.ReadHoldingRegisters:
functionProperty.values = modbusClient.ReadHoldingRegisters(functionProperty.StartingAdress, functionProperty.Quantity);
break;
case FunctionCodeRd.ReadInputRegisters:
functionProperty.values = modbusClient.ReadInputRegisters(functionProperty.StartingAdress, functionProperty.Quantity);
break;
default: break;
}
}
if (valuesChanged != null)
{
valuesChanged(this);
}
}
private void ProcessData(object param)
{
while (!shouldStop)
{
ReadOrder readOrder = (ReadOrder)param;
lock (lockProcessData)
{
if (readOrder.FunctionCode == FunctionCode.ReadCoils)
{
bool[] value = modbusClient.ReadCoils(readOrder.StartingAddress, readOrder.Quantity);
for (int i = 0; i < value.Length; i++)
{
if (readOrder.oldvalue[i] == null)
{
mqttClient.Publish(readOrder.Topic[i], Encoding.UTF8.GetBytes(value[i].ToString()), MqttMsgBase.QOS_LEVEL_EXACTLY_ONCE, false);
}
else if ((bool)readOrder.oldvalue[i] != value[i])
{
mqttClient.Publish(readOrder.Topic[i], Encoding.UTF8.GetBytes(value[i].ToString()), MqttMsgBase.QOS_LEVEL_EXACTLY_ONCE, false);
}
readOrder.oldvalue[i] = value[i];
}
}
if (readOrder.FunctionCode == FunctionCode.ReadDiscreteInputs)
{
bool[] value = modbusClient.ReadDiscreteInputs(readOrder.StartingAddress, readOrder.Quantity);
for (int i = 0; i < value.Length; i++)
{
if (readOrder.oldvalue[i] == null)
{
mqttClient.Publish(readOrder.Topic[i], Encoding.UTF8.GetBytes(value[i].ToString()), MqttMsgBase.QOS_LEVEL_EXACTLY_ONCE, false);
}
else if ((bool)readOrder.oldvalue[i] != value[i])
{
mqttClient.Publish(readOrder.Topic[i], Encoding.UTF8.GetBytes(value[i].ToString()), MqttMsgBase.QOS_LEVEL_EXACTLY_ONCE, false);
}
readOrder.oldvalue[i] = value[i];
}
}
if (readOrder.FunctionCode == FunctionCode.ReadHoldingRegisters)
{
int[] value = modbusClient.ReadHoldingRegisters(readOrder.StartingAddress, readOrder.Quantity);
for (int i = 0; i < value.Length; i++)
{
if (readOrder.oldvalue[i] == null)
{
mqttClient.Publish(readOrder.Topic[i], Encoding.UTF8.GetBytes(value[i].ToString()), MqttMsgBase.QOS_LEVEL_EXACTLY_ONCE, false);
}
else if ((int)readOrder.oldvalue[i] != value[i])
{
mqttClient.Publish(readOrder.Topic[i], Encoding.UTF8.GetBytes(value[i].ToString()), MqttMsgBase.QOS_LEVEL_EXACTLY_ONCE, false);
}
readOrder.oldvalue[i] = value[i];
}
}
if (readOrder.FunctionCode == FunctionCode.ReadInputRegisters)
{
int[] value = modbusClient.ReadInputRegisters(readOrder.StartingAddress, readOrder.Quantity);
for (int i = 0; i < value.Length; i++)
{
if (readOrder.oldvalue[i] == null)
{
mqttClient.Publish(readOrder.Topic[i], Encoding.UTF8.GetBytes(value[i].ToString()), MqttMsgBase.QOS_LEVEL_EXACTLY_ONCE, false);
}
else if ((int)readOrder.oldvalue[i] != value[i])
{
mqttClient.Publish(readOrder.Topic[i], Encoding.UTF8.GetBytes(value[i].ToString()), MqttMsgBase.QOS_LEVEL_EXACTLY_ONCE, false);
}
readOrder.oldvalue[i] = value[i];
}
}
}
System.Threading.Thread.Sleep(readOrder.CylceTime);
}
}
private void ProcessData(object param)
{
while (!shouldStop)
{
try
{
if (!mqttClient.IsConnected)
{
mqttClient = new uPLibrary.Networking.M2Mqtt.MqttClient(mqttBrokerAddress, mqttBrokerPort, false, null, null, uPLibrary.Networking.M2Mqtt.MqttSslProtocols.None);
string clientID = Guid.NewGuid().ToString();
if (MqttUserName == null || MqttPassword == null)
{
mqttClient.Connect(clientID);
}
else
{
mqttClient.Connect(clientID, MqttUserName, MqttPassword);
}
}
}
catch (Exception exc)
{
if (!this.AutomaticReconnect)
{
throw exc;
}
}
ReadOrder readOrder = (ReadOrder)param;
lock (lockProcessData)
{
try
{
if (readOrder.FunctionCode == FunctionCode.ReadCoils)
{
bool[] value = modbusClient.ReadCoils(readOrder.StartingAddress, readOrder.Quantity);
for (int i = 0; i < value.Length; i++)
{
if (readOrder.oldvalue[i] == null)
{
mqttClient.Publish(readOrder.Topic[i], Encoding.UTF8.GetBytes(value[i].ToString()), MqttMsgBase.QOS_LEVEL_EXACTLY_ONCE, readOrder.Retain[i]);
}
else if ((bool)readOrder.oldvalue[i] != value[i])
{
mqttClient.Publish(readOrder.Topic[i], Encoding.UTF8.GetBytes(value[i].ToString()), MqttMsgBase.QOS_LEVEL_EXACTLY_ONCE, readOrder.Retain[i]);
}
readOrder.oldvalue[i] = value[i];
}
}
if (readOrder.FunctionCode == FunctionCode.ReadDiscreteInputs)
{
bool[] value = modbusClient.ReadDiscreteInputs(readOrder.StartingAddress, readOrder.Quantity);
for (int i = 0; i < value.Length; i++)
{
if (readOrder.oldvalue[i] == null)
{
mqttClient.Publish(readOrder.Topic[i], Encoding.UTF8.GetBytes(value[i].ToString()), MqttMsgBase.QOS_LEVEL_EXACTLY_ONCE, readOrder.Retain[i]);
}
else if ((bool)readOrder.oldvalue[i] != value[i])
{
mqttClient.Publish(readOrder.Topic[i], Encoding.UTF8.GetBytes(value[i].ToString()), MqttMsgBase.QOS_LEVEL_EXACTLY_ONCE, readOrder.Retain[i]);
}
readOrder.oldvalue[i] = value[i];
}
}
if (readOrder.FunctionCode == FunctionCode.ReadHoldingRegisters)
{
int[] value = modbusClient.ReadHoldingRegisters(readOrder.StartingAddress, readOrder.Quantity);
for (int i = 0; i < value.Length; i++)
{
float scale = readOrder.Scale != null ? (readOrder.Scale[i] == 0) ? 1 : readOrder.Scale[i] : 1;
if (readOrder.oldvalue[i] == null)
{
mqttClient.Publish(readOrder.Topic[i], (readOrder.Unit == null ? Encoding.UTF8.GetBytes(((float)value[i] * scale).ToString()) : Encoding.UTF8.GetBytes(((float)value[i] * scale) + " " + readOrder.Unit[i])), MqttMsgBase.QOS_LEVEL_EXACTLY_ONCE, readOrder.Retain[i]);
readOrder.oldvalue[i] = value[i];
}
else if (((int)readOrder.oldvalue[i] != value[i]) && (readOrder.Hysteresis != null ? ((value[i] < (int)readOrder.oldvalue[i] - (int)readOrder.Hysteresis[i]) | (value[i] > (int)readOrder.oldvalue[i] + (int)readOrder.Hysteresis[i])) : true))
{
mqttClient.Publish(readOrder.Topic[i], (readOrder.Unit == null ? Encoding.UTF8.GetBytes(((float)value[i] * scale).ToString()) : Encoding.UTF8.GetBytes(((float)value[i] * scale).ToString() + " " + readOrder.Unit[i])), MqttMsgBase.QOS_LEVEL_EXACTLY_ONCE, readOrder.Retain[i]);
readOrder.oldvalue[i] = value[i];
}
}
}
if (readOrder.FunctionCode == FunctionCode.ReadInputRegisters)
{
int[] value = modbusClient.ReadInputRegisters(readOrder.StartingAddress, readOrder.Quantity);
for (int i = 0; i < value.Length; i++)
{
float scale = readOrder.Scale != null ? (readOrder.Scale[i] == 0) ? 1 : readOrder.Scale[i] : 1;
if (readOrder.oldvalue[i] == null)
{
mqttClient.Publish(readOrder.Topic[i], (readOrder.Unit == null ? Encoding.UTF8.GetBytes(((float)value[i] * scale).ToString()) : Encoding.UTF8.GetBytes(((float)value[i] * scale).ToString() + " " + readOrder.Unit[i])), MqttMsgBase.QOS_LEVEL_EXACTLY_ONCE, readOrder.Retain[i]);
readOrder.oldvalue[i] = value[i];
}
else if (((int)readOrder.oldvalue[i] != value[i]) && (readOrder.Hysteresis != null ? ((value[i] < (int)readOrder.oldvalue[i] - (int)readOrder.Hysteresis[i]) | (value[i] > (int)readOrder.oldvalue[i] + (int)readOrder.Hysteresis[i])) : true))
{
mqttClient.Publish(readOrder.Topic[i], (readOrder.Unit == null ? Encoding.UTF8.GetBytes(((float)value[i] * scale).ToString()) : Encoding.UTF8.GetBytes(((float)value[i] * scale).ToString() + " " + readOrder.Unit[i])), MqttMsgBase.QOS_LEVEL_EXACTLY_ONCE, readOrder.Retain[i]);
readOrder.oldvalue[i] = value[i];
}
}
}
}
catch (Exception exc)
{
modbusClient.Disconnect();
Thread.Sleep(2000);
if (!AutomaticReconnect)
{
throw exc;
}
if (!modbusClient.Connected)
{
try
{
modbusClient.Connect();
}
catch (Exception) { }
}
}
}
System.Threading.Thread.Sleep(readOrder.CylceTime);
}
}
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();
}
}