private void SetDataRTU(byte SlaveAddress, ushort StartAddr, DataRecievedRTU DataRecievedRTU, RequestPriority RequestPriority, object param, params ushort[] Data)
{
if ((Data.Length > 64) || (Data.Length < 1))
{
if (DataRecievedRTU != null)
{
DataRecievedRTU(false, new ushort[0], null);
}
return;
}
byte[] buffer = new byte[9 + Data.Length * 2];
buffer[0] = SlaveAddress;
buffer[1] = 0x10;
buffer[2] = (byte)((StartAddr >> 8) & 0xFF);
buffer[3] = (byte)(StartAddr & 0xFF);
buffer[4] = (byte)((Data.Length >> 8) & 0xFF);
buffer[5] = (byte)(Data.Length & 0xFF);
buffer[6] = (byte)(2 * Data.Length);
for (int i = 0; i < Data.Length; i++)
{
buffer[7 + i * 2] = (byte)((Data[i] >> 8) & 0xFF);
buffer[8 + i * 2] = (byte)(Data[i] & 0xFF);
}
byte[] buffer1;
ModBusCRC.CalcCRC(buffer, 7 + Data.Length * 2, out buffer1);
AddRequest(buffer1, 8, DataRecievedRTU, RequestPriority, param);
}
/*
* public void GetData(byte SlaveAddress, ushort StartAddr, ushort WordCount, DataRecieved DataRecieved)
* {
* byte[] buffer = new byte[6];
* buffer[0] = SlaveAddress;
* buffer[1] = 0x03;
* buffer[2] = (byte)((StartAddr >> 8) & 0xFF);
* buffer[3] = (byte)(StartAddr & 0xFF);
* buffer[4] = (byte)((WordCount >> 8) & 0xFF);
* buffer[5] = (byte)(WordCount & 0xFF);
* byte[] buffer1;
* ModBusCRC.CalcCRC(buffer, 6, out buffer1);
* AddRequest(buffer1, WordCount * 2 + 5, DataRecieved);
* }
*
* public void GetData(ushort StartAddr, ushort WordCount, DataRecieved DataRecieved)
* {
* GetData(SlaveAddr, StartAddr, WordCount, DataRecieved);
* }
*/
private void GetDataRTU(byte SlaveAddress, ushort StartAddr, ushort WordCount, DataRecievedRTU DataRecievedRTU, RequestPriority RequestPriority, object param)
{
byte[] buffer = new byte[6];
buffer[0] = SlaveAddress;
buffer[1] = 0x03;
buffer[2] = (byte)((StartAddr >> 8) & 0xFF);
buffer[3] = (byte)(StartAddr & 0xFF);
buffer[4] = (byte)((WordCount >> 8) & 0xFF);
buffer[5] = (byte)(WordCount & 0xFF);
byte[] buffer1;
ModBusCRC.CalcCRC(buffer, 6, out buffer1);
AddRequest(buffer1, WordCount * 2 + 5, DataRecievedRTU, WordCount, RequestPriority, param);
}
void SendDataBody(RequestUnit RequestUnit)
{
if (portError)
{
return;
}
if (serialPortMode == SerialPortModes.TCPMode)
{
if (RequestUnit.PortAnswerType != PortAnswerType.RTU)
{
throw new Exception("Invalid request type");
}
}
if (serialPortMode == SerialPortModes.RSMode)
{
try
{
if (serialPort.BytesToRead != 0)
{
byte[] buff = new byte[serialPort.BytesToRead + 1];
serialPort.Read(buff, 0, serialPort.BytesToRead);
}
Thread.Sleep(3);
serialPort.Write(RequestUnit.TxBuffer, 0, RequestUnit.TxBuffer.Length);
}
catch
{
portError = true;
if (SerialPortError != null)
{
SerialPortError(serialPort, null);
}
return;
}
}
tcpReadData = null;
tcpWriteOk = false;
if (serialPortMode == SerialPortModes.TCPMode)
{
if (RequestUnit.GetTCPFunction() == TCPFunctions.TCPRead)
{
tcpMaster.ReadHoldingRegister(1, RequestUnit.GetSlaveAddr(), RequestUnit.GetTCPStartAddr(), RequestUnit.GetTCPReadCount());
}
else
{
tcpMaster.WriteMultipleRegister(1, RequestUnit.GetSlaveAddr(), RequestUnit.GetTCPStartAddr(), RequestUnit.GetTCPWriteData());
}
}
if (serialPortMode == SerialPortModes.RSMode)
{
waitSerialData.WaitOne(TimeSpan.FromMilliseconds(100));
for (int i = 0; i < 100; i++)
{
if (serialPort.BytesToRead < RequestUnit.ReceivedBytesThreshold)
{
waitSerialData.WaitOne(TimeSpan.FromMilliseconds(10));
}
else
{
break;
}
}
}
if (serialPortMode == SerialPortModes.TCPMode)
{
waitSerialData.WaitOne(TimeSpan.FromMilliseconds(3000));
}
bool dataOk = false;
#region RecieveRS232
if (serialPortMode == SerialPortModes.RSMode)
{
byte[] rxBuffer = new byte[0];
if (serialPort.BytesToRead >= RequestUnit.ReceivedBytesThreshold)
{
int count = serialPort.BytesToRead;
rxBuffer = new byte[count];
try
{
serialPort.Read(rxBuffer, 0, count);
}
catch
{
portError = true;
if (SerialPortError != null)
{
SerialPortError(serialPort, null);
}
return;
}
dataOk = true;
}
else
{
// System.Windows.Forms.MessageBox.Show(RequestUnit.ReceivedBytesThreshold.ToString());
}
switch (RequestUnit.PortAnswerType)
{
case PortAnswerType.Byte:
{
if (RequestUnit.DataRecieved != null)
{
RequestUnit.DataRecieved(dataOk, rxBuffer);
}
break;
}
case PortAnswerType.RTU:
{
ushort[] ubuff = new ushort[0];
if (!ModBusCRC.CheckCRC(rxBuffer, rxBuffer.Length))
{
// System.Windows.Forms.MessageBox.Show("Ошибка CRC " + rxBuffer.Length.ToString());
dataOk = false;
}
else
{
if (rxBuffer[1] == 0x03)
{
ModBusCRC.RemoveData(rxBuffer, 3, RequestUnit.RTUReadCount, out ubuff);
}
else
{
ubuff = new ushort[0];
}
dataOk = true;
}
if (RequestUnit.DataRecievedRTU != null)
{
RequestUnit.DataRecievedRTU(dataOk, ubuff, RequestUnit.Param);
}
} break;
}
}
#endregion
#region RecieveTCP
if (serialPortMode == SerialPortModes.TCPMode)
{
if (RequestUnit.GetTCPFunction() == TCPFunctions.TCPRead)
{
dataOk = (tcpReadData != null);
ushort[] us = new ushort[0];
if (dataOk)
{
ModBusCRC.RemoveData(tcpReadData, 0, RequestUnit.RTUReadCount, out us);
}
if (RequestUnit.DataRecievedRTU != null)
{
RequestUnit.DataRecievedRTU(dataOk, us, RequestUnit.Param);
}
}
else
{
ushort[] us = new ushort[0];
if (RequestUnit.DataRecievedRTU != null)
{
RequestUnit.DataRecievedRTU(tcpWriteOk, us, RequestUnit.Param);
}
}
}
#endregion
lock (locker)
{
bool b = CheckQueue(false);
portBusy = b;
}
}
