public static void SaveStation(XmlElement node, IModbusStation stat)
{
node.SetAttribute("name", stat.Name);
if (stat is ModbusTCPClientStation)
{
ModbusTCPClientStation tcpstat = (ModbusTCPClientStation)stat;
node.SetAttribute("type", tcpstat.GetType().Name);
node.SetAttribute("ipAddress", tcpstat.IPAddress);
node.SetAttribute("tcpPort", tcpstat.TCPPort.ToString());
}
if (stat is ModbusSerialClientStation)
{
ModbusSerialClientStation serstat = (ModbusSerialClientStation)stat;
node.SetAttribute("type", serstat.GetType().Name);
node.SetAttribute("comPort", serstat.ComPort);
node.SetAttribute("serialType", serstat.SerialType.ToString());
node.SetAttribute("baudRate", serstat.BaudRate.ToString());
node.SetAttribute("dataBits", serstat.DataBits.ToString());
node.SetAttribute("parity", serstat.Parity.ToString());
node.SetAttribute("stopBits", serstat.StopBits.ToString());
node.SetAttribute("handshake", serstat.Handshake.ToString());
}
node.SetAttribute("cycleTimeout", stat.CycleTimeout.ToString());
node.SetAttribute("retryTimeout", stat.RetryTimeout.ToString());
node.SetAttribute("retryCount", stat.RetryCount.ToString());
node.SetAttribute("failedCount", stat.FailedCount.ToString());
node.SetAttribute("loggingLevel", stat.LoggingLevel.ToString());
node.SetAttribute("stationActive", stat.StationActive.ToString());
}
private void OKButton_Click(object sender, EventArgs e)
{
try
{
ModbusSerialClientStation tcs = (ModbusSerialClientStation)this.Tag;
tcs.Name = this.nameTextBox.Text;
tcs.SerialType = (ModbusSerialType)this.serialTypeComboBox.SelectedItem;
tcs.BaudRate = (int)this.baudRateComboBox.SelectedItem; //numericUpDown.Value;
tcs.ComPort = this.COMtextBox.Text;
tcs.DataBits = (int)this.dataBitsComboBox.SelectedItem;
tcs.StopBits = (StopBits)this.stopBitsComboBox.SelectedItem;
tcs.Parity = (Parity)this.parityComboBox.SelectedItem;
tcs.Handshake = (Handshake)this.handshakeComboBox.SelectedItem;
tcs.CycleTimeout = (int)this.PauseNumericUpDown.Value;
tcs.RetryTimeout = (int)this.TimeoutNumericUpDown.Value;
tcs.RetryCount = (int)this.NuberNumericUpDown.Value;
tcs.FailedCount = (int)this.failedNumericUpDown.Value;
tcs.LoggingLevel = (int)this.loggingComboBox.SelectedItem;
test = true;
}
catch
{
MessageBox.Show(StringConstants.ReadingValues);
cancel = true;
}
}
private void AddSerialClientStation(ModbusSerialClientStation stat)
{
int row = stationGrid.RowsCount;
stationGrid.RowsCount++;
stationGrid[row, stationGridColName] = new SourceGrid.Cells.Cell(stat.Name);
stationGrid[row, stationGridColName].Tag = stat;
stationGrid[row, stationGridColActive] = new SourceGrid.Cells.CheckBox("", stat.StationActive);
stationGrid[row, stationGridColAddr] = new SourceGrid.Cells.Cell("MODBUS/" + stat.SerialType.ToString() + ", " + stat.ComPort, typeof(string));
stationGrid[row, stationGridColPara] = new SourceGrid.Cells.Cell(stat.BaudRate.ToString() + "," + stat.DataBits.ToString() + "," + stat.Parity.ToString() + "," + stat.StopBits.ToString(), typeof(string));
stationGrid[row, stationGridColName].Editor = null;
//stationGrid[row, stationGridColActive].Editor = null;
stationGrid[row, stationGridColAddr].Editor = null;
stationGrid[row, stationGridColPara].Editor = null;
}
private void LoadStations()
{
foreach (IModbusStation stat in plugin.Stations)
{
if (stat is ModbusTCPClientStation)
{
ModbusTCPClientStation tcpstat = (ModbusTCPClientStation)stat;
AddTCPClientStation(tcpstat);
}
else if (stat is ModbusSerialClientStation)
{
ModbusSerialClientStation tcpstat = (ModbusSerialClientStation)stat;
AddSerialClientStation(tcpstat);
}
}
}
void ModifySerialClientStationForm_FormClosing(object sender, FormClosingEventArgs e)
{
if ((sender as ModifySerialClientStationForm).cancel)
{
e.Cancel = true;
cancel = false;
}
if ((sender as ModifySerialClientStationForm).test)
{
ModbusSerialClientStation tcs = (ModbusSerialClientStation)this.Tag;
if (forbiddenNames != null && forbiddenNames.Contains(tcs.Name))
{
e.Cancel = true;
MessageBox.Show(StringConstants.NameAssigned);
}
(sender as ModifySerialClientStationForm).test = false;
}
}
private void OnAddStation(object sender, EventArgs e)
{
string var = GetUniqueStationName();
int row = stationGrid.RowsCount;
string ip = "127.0.0.1";
int po = 502;
string com = "COM1";
AddStationForm asf = new AddStationForm();
if (asf.ShowDialog() == DialogResult.OK)
{
if (asf.stationTypeComboBox.SelectedItem != null)
{
switch ((ModbusStationType)asf.stationTypeComboBox.SelectedItem)
{
case ModbusStationType.TCPMaster:
ModbusTCPClientStation stat = new ModbusTCPClientStation(var, plugin, ip, po, 100, 1000, 3, 20);
ModifyTCPClientStationForm mtc = new ModifyTCPClientStationForm(stat, null);
if (mtc.ShowDialog() == DialogResult.OK)
{
AddTCPClientStation(stat);
stationGrid.Selection.ResetSelection(true);
stationGrid.Selection.SelectRow(row, true);
}
break;
case ModbusStationType.SerialMaster:
ModbusSerialClientStation stat2 = new ModbusSerialClientStation(var, plugin, com, 100, 1000, 3, 20);
ModifySerialClientStationForm msc = new ModifySerialClientStationForm(stat2, null);
if (msc.ShowDialog() == DialogResult.OK)
{
AddSerialClientStation(stat2);
stationGrid.Selection.ResetSelection(true);
stationGrid.Selection.SelectRow(row, true);
}
break;
}
}
}
}
public ModifySerialClientStationForm(ModbusSerialClientStation tcs, List <string> forbiddenNames)
{
InitializeComponent();
this.Tag = tcs;
this.nameTextBox.Text = tcs.Name;
this.COMtextBox.Text = tcs.ComPort;
foreach (object o in Enum.GetValues(typeof(ModbusSerialType)))
{
int i = this.serialTypeComboBox.Items.Add(o);
}
this.serialTypeComboBox.SelectedItem = tcs.SerialType;
this.baudRateComboBox.Items.Add(75);
this.baudRateComboBox.Items.Add(110);
this.baudRateComboBox.Items.Add(135);
this.baudRateComboBox.Items.Add(150);
this.baudRateComboBox.Items.Add(300);
this.baudRateComboBox.Items.Add(600);
this.baudRateComboBox.Items.Add(1200);
this.baudRateComboBox.Items.Add(1800);
this.baudRateComboBox.Items.Add(2400);
this.baudRateComboBox.Items.Add(4800);
this.baudRateComboBox.Items.Add(7200);
this.baudRateComboBox.Items.Add(9600);
this.baudRateComboBox.Items.Add(14400);
this.baudRateComboBox.Items.Add(19200);
this.baudRateComboBox.Items.Add(38400);
this.baudRateComboBox.Items.Add(57600);
this.baudRateComboBox.Items.Add(115200);
this.baudRateComboBox.SelectedItem = tcs.BaudRate;
this.dataBitsComboBox.Items.Add(7);
this.dataBitsComboBox.Items.Add(8);
this.dataBitsComboBox.SelectedItem = tcs.DataBits;
foreach (object o in Enum.GetValues(typeof(StopBits)))
{
int i = this.stopBitsComboBox.Items.Add(o);
}
this.stopBitsComboBox.SelectedItem = tcs.StopBits;
foreach (object o in Enum.GetValues(typeof(Parity)))
{
int i = this.parityComboBox.Items.Add(o);
}
this.parityComboBox.SelectedItem = tcs.Parity;
foreach (object o in Enum.GetValues(typeof(Handshake)))
{
int i = this.handshakeComboBox.Items.Add(o);
}
this.handshakeComboBox.SelectedItem = tcs.Handshake;
this.PauseNumericUpDown.Value = tcs.CycleTimeout;
this.TimeoutNumericUpDown.Value = tcs.RetryTimeout;
this.NuberNumericUpDown.Value = tcs.RetryCount;
this.failedNumericUpDown.Value = tcs.FailedCount;
this.loggingComboBox.Items.Add(0);
this.loggingComboBox.Items.Add(1);
this.loggingComboBox.Items.Add(2);
this.loggingComboBox.Items.Add(3);
this.loggingComboBox.Items.Add(4);
this.loggingComboBox.SelectedItem = tcs.LoggingLevel;
this.FormClosing += new FormClosingEventHandler(ModifySerialClientStationForm_FormClosing);
this.forbiddenNames = forbiddenNames;
}
private static void ChannelUpdaterThreadProc(object obj)
{
try
{
SerialPort sport = null;
ModbusSerialClientStation self = (ModbusSerialClientStation)obj;
self.runThread = true;
while (self.runThread)
{
try
{
foreach (ModbusBuffer buf in self.buffers)
{
buf.pauseCounter = 0;
}
if (self.LoggingLevel >= ModbusLog.logInfos)
{
Env.Current.Logger.LogInfo(string.Format(StringConstants.InfoSerialStarting,
self.Name, self.comPort, self.baudRate, self.parity, self.dataBits, self.stopBits));
}
//using (SerialPort sport = new SerialPort(self.comPort, self.baudRate, self.parity, self.dataBits, self.stopBits))
sport = new SerialPort(self.comPort, self.baudRate, self.parity, self.dataBits, self.stopBits);
{
sport.Handshake = self.handshake;
sport.Open();
if (self.LoggingLevel >= ModbusLog.logInfos)
{
Env.Current.Logger.LogInfo(string.Format(StringConstants.InfoSerialStarted,
self.Name, self.comPort, self.baudRate, self.parity, self.dataBits, self.stopBits));
}
ModbusSerialMaster master;
if (self.serialType == ModbusSerialType.ASCII)
{
master = ModbusSerialMaster.CreateAscii(sport);
}
else
{
master = ModbusSerialMaster.CreateRtu(sport);
}
master.Transport.Retries = self.retryCount;
master.Transport.WaitToRetryMilliseconds = self.retryTimeout;
while (self.runThread)
{
// READING
foreach (ModbusBuffer buf in self.buffers)
{
// Read an actual Buffer first
self.ReadBuffer(self, master, buf);
} // Foreach buffer
// WRITING
// This implementation causes new reading cycle after writing
// anything to MODBUS
// The sending strategy should be also considered and enhanced, but:
// As I think for now ... it does not matter...
self.sendQueueEndWaitEvent.WaitOne(self.cycleTimeout);
self.sendQueueEndWaitEvent.Reset();
// fast action first - copy from the queue content to my own buffer
lock (self.sendQueueSyncRoot)
{
if (self.sendQueue.Count > 0)
{
self.channelsToSend.Clear();
while (self.sendQueue.Count > 0)
{
self.channelsToSend.Add(self.sendQueue.Dequeue());
}
}
}
// ... and the slow action last - writing to MODBUS
// NO optimization, each channel is written into its own MODBUS message
// and waited for an answer
if (self.channelsToSend.Count > 0)
{
foreach (ModbusChannelImp ch in self.channelsToSend)
{
self.WriteChannel(self, master, ch);
}
}
} // for endless
} // Using SerialPort
} // Try
catch (Exception e)
{
self.sendQueueEndWaitEvent.Reset();
foreach (byte b in self.failures.Keys)
{
// All devices in failure
self.failures[b].Value = true;
}
if (self.LoggingLevel >= ModbusLog.logWarnings)
{
Env.Current.Logger.LogWarning(string.Format(StringConstants.ErrException, self.Name, e.Message));
}
if (e is ThreadAbortException)
{
throw e;
}
// if (e is ) // Communication timeout to a device
}
finally
{
if (sport != null)
{
sport.Close();
sport.Dispose();
}
// safety Sleep()
Thread.Sleep(5000);
}
}
if (sport != null)
{
sport.Close();
sport.Dispose();
}
}
catch (ThreadAbortException e)
{
if (((ModbusSerialClientStation)obj).LoggingLevel >= ModbusLog.logErrors)
{
Env.Current.Logger.LogError(string.Format(StringConstants.ErrException, ((ModbusSerialClientStation)obj).Name, e.Message));
}
}
}
