public static bool WriteSingleRegister(UInt16 address, UInt16 value, ISerialPortIo port)
{
int timeOutCounter = 0;
byte[] AddressBytes = BitConverter.GetBytes(address);
byte[] ValueBytes = BitConverter.GetBytes(value);
byte[] Command = new byte[8];
Command[0] = 0x00; //Node ID
Command[1] = 0x06; //Function
Command[2] = AddressBytes[1]; //Starting Address Hi
Command[3] = AddressBytes[0]; //Strating Address Low
Command[4] = ValueBytes[1]; //Quantity of Registers Hi
Command[5] = ValueBytes[0]; //Quantity of Registers Low
Command[6] = 0x00; //CRC Hi
Command[7] = 0x00; //CRC Low
byte[] array = BitConverter.GetBytes(ModRTU_CRC(Command, 6));
Command[6] = array[0]; //CRC Hi
Command[7] = array[1]; //CRC Low
//bool result = TransmitCommand(GlobalVariables.serialPort, Command, 8);
port.DiscardInBuffer();
port.DiscardOutBuffer();
port.Write(Command, 0, 8);
port.Flush();
while (port.BytesToWrite != 0)
{
//System.Diagnostics.Debug.WriteLine("Waiting to Write Bites: " + GlobalVariables.serialPort.BytesToWrite);
}
while (true)
{
if (timeOutCounter >= 1000000)
{
System.Diagnostics.Debug.WriteLine("failed");
return false;
}
if (port.BytesToRead >= 8)
{
System.Diagnostics.Debug.WriteLine(timeOutCounter++);
break;
}
timeOutCounter++;
}
//while (GlobalVariables.serialPort.BytesToRead < 8)
//{
// timeOutCounter++;
// if (timeOutCounter == 1000)
// {
// return false;
// }
//}
byte[] receiveBuffer = new byte[port.BytesToRead];
try
{
int readBytes = port.Read(receiveBuffer, 0, port.BytesToRead);
System.Diagnostics.Debug.WriteLine("Read Bytes: " + readBytes);
}
catch (Exception)
{
return false;
}
return true;
}
public void TryDiscardOutBuffer(ISerialPortIo serialPort)
{
lock (thisLock)
{
serialPort.DiscardOutBuffer();
}
}
public static bool ReadRegisters(ISerialPortIo serialPort)
{
byte[] AddressBytes1 = BitConverter.GetBytes(2); //Current Speed At Address 2
byte[] AddressBytes2 = BitConverter.GetBytes(36); //Input Contact Status At Address 36
byte[] AddressBytes3 = BitConverter.GetBytes(6); //Single -Turn Data L At Address 46
byte[] AddressBytes4 = BitConverter.GetBytes(8); //Single -Turn Data H At Address 48
byte[] AddressBytes5 = BitConverter.GetBytes(22); //Current Torque At Address 22
//byte[] AddressBytes6 = BitConverter.GetBytes(38); //Output Contact Status At Address 38
byte[] Command = new byte[15];
Command[0] = 0x00; //Node ID
Command[1] = 0x6A; //Function
Command[2] = 0x0A; //Byte Count
Command[3] = AddressBytes1[1]; //Starting Address Hi
Command[4] = AddressBytes1[0]; //Strating Address Low
Command[5] = AddressBytes2[1]; //Starting Address Hi
Command[6] = AddressBytes2[0]; //Strating Address Low
Command[7] = AddressBytes3[1]; //Starting Address Hi
Command[8] = AddressBytes3[0]; //Strating Address Low
Command[9] = AddressBytes4[1]; //Starting Address Hi
Command[10] = AddressBytes4[0]; //Strating Address Low
Command[11] = AddressBytes5[1]; //Starting Address Hi
Command[12] = AddressBytes5[0]; //Strating Address Low
Command[13] = 0x00; //CRC Hi
Command[14] = 0x00; //CRC Low
byte[] array = BitConverter.GetBytes(ModRTU_CRC(Command, 13));
Command[13] = array[0]; //CRC Hi
Command[14] = array[1]; //CRC Low
serialPort.DiscardInBuffer();
serialPort.DiscardOutBuffer();
bool result = serialPort.WriteWaitResponse(Command, 0, 15, 15);
System.Diagnostics.Debug.WriteLine("ReadRegisters Thread Id: " + System.Threading.Thread.CurrentThread.ManagedThreadId);
return result;
}