public PwrSerial(string port)
{
CurChannel = 99;
_modBus = new ModBus();
SetLogMessage?.Invoke($"Try connected Power Supply on port {port}");
if (port == "")
{
port = "COM9";
}
_port = new SerialPort(port)
{
BaudRate = 115200,
Parity = Parity.None,
StopBits = StopBits.One,
DataBits = 8,
Handshake = Handshake.None,
RtsEnable = true
};
_port.DataReceived += DataReceivedHandler;
}
private void serialPort1_DataReceived(object sender, System.IO.Ports.SerialDataReceivedEventArgs e)
{
System.Threading.Thread.Sleep(300);
int num = serialPort1.BytesToRead;
byte[] receive_buff = new byte[num];
serialPort1.Read(receive_buff, 0, num);
funccode.Clear();
recbuf.Clear();
foreach (byte b in receive_buff)
{
recbuf.Append(b.ToString("X2") + ' ');
funccode.Append(b);
}
System.Threading.Thread.Sleep(100);
int recnum = receive_buff.Length;
//startRegAddr = (((uint)receive_buff[2] << 8) | receive_buff[3]);
uint crccal = ModBus.GetCRC(receive_buff, (uint)recnum - 2);
uint crcget = ((uint)receive_buff[recnum - 1] << 8) | receive_buff[recnum - 2];
if ((crccal == crcget) && (receive_buff[0] == 0x01))
{
DealWithFunc(receive_buff, recnum);
}
try
{
this.Invoke((EventHandler)(delegate
{
textBox_Receive.AppendText(recbuf.ToString());
})
);
}
catch (Exception ex)
{
System.Media.SystemSounds.Beep.Play();
MessageBox.Show(ex.Message);
}
finally
{
}
}
public FrmTest()
{
InitializeComponent();
ModBus = new ModBus(ModBus.ModBusMode.RTU, 1, 115200, SerialPortMode.RS232);
Result result = ModBus.Connect("COM2");
if (result.Success == false)
{
MessageBox.Show(result.ErrorMessage);
}
ModBus.OnReceiveNewResponse += ModBus_OnReceiveNewResponse;
GeneralCommands = new GeneralCommands();
result = GeneralCommands.Connect("COM2");
GeneralCommands.OnReceiceNewResponse += GeneralCommands_OnReceiceNewResponse;
}
private void SendWorker_DoWork(object sender, DoWorkEventArgs e)
{
while (!sendWorker.CancellationPending)
{
Debug.WriteLine("While: ");
if (send.Count > 0)
{
//var s = send.Peek();
var s = send.Dequeue();
DataSend(s);
Thread.Sleep(1000);
if (received.Count > 0)
{
var r = received.Dequeue();
var sMID = ModBus.GetMessageId(s);
var rMID = ModBus.GetMessageId(r);
if (sMID.Equals(rMID))
{
send.Dequeue();
}
}
}
else
{
if (sendWorker.IsBusy)
{
sendWorker.CancelAsync();
}
}
}
}
// ---------------------------------------------------------------------------------------------------------------------------------------------------------------------------------
// Modbus connection
/// <summary>Establishes the connection to the modbus server.</summary>
public void EstablishConnectionModbus()
{
modBus = new ModBus(logic.selectedUnit.urIpAddress);
}
