private void MainComPort_DataReceived(object sender, System.IO.Ports.SerialDataReceivedEventArgs e)
{
sw.Start();
byte[] Length = new byte[4];
int DataLength = 0;
int OutputLength = 0;
int ReadByteCount = MainComPort.BytesToRead;
byte TempBuff = 0x00;
if (MainComPort.BytesToRead > 0)
{
for (int j = 0; j < ReadByteCount; j++)
{
TempBuff = (byte)MainComPort.ReadByte();
RxBuffer[NRXCOUNT] = TempBuff;
if (RxBuffer[0] == STX)
{
NRXCOUNT++;
if (NRXCOUNT >= 5)
{
if (DataLength == 0)
{
for (int i = 0; i < 4; i++)
{
Length[i] = RxBuffer[i + 1];
}
DataLength = ByteToInt(Length);
OutputLength = Complex.TransSize(DataLength / 8);
}
if (NRXCOUNT == DataLength + 6)
{
if (RxBuffer[NRXCOUNT - 1] == ETX)
{
ParsingData(DataLength + 6, OutputLength);
NRXCOUNT = 0;
}
else
{
NRXCOUNT = 0;
}
}
}
}
else
{
NRXCOUNT = 0x00;
}
}
}
}
private void SendData(double[] Data, int InputLength)
{
byte[] TxBuffer = new byte[(InputLength + 1) * 8];
byte[] TempData = new byte[8];
byte[] Length = new byte[4];
byte[] Temp = new byte[2];
byte[] CheckSum = new byte[2];
int nTxCount = 5;
int nTempCount = 0;
Int16 intCheckSum = 0;
Length = IntToByte(InputLength * 8 + 2);
TxBuffer[0] = STX;
TxBuffer[TxBuffer.Length - 1] = ETX;
for (int i = 0; i < 4; i++)
{
TxBuffer[i + 1] = Length[i];
}
try
{
for (int i = 0; i < InputLength; i++)
{
TempData = DoubleToByte(Data[i]);
for (int j = 0; j < 8; j++)
{
TxBuffer[nTxCount + j] = TempData[j];
}
nTxCount += 8;
}
// Checksum
intCheckSum = 0x00;
for (int i = 5; i < TxBuffer.Length - 3; i++)
{
Temp[nTempCount] = TxBuffer[i];
nTempCount++;
if (nTempCount == 2)
{
intCheckSum += BitConverter.ToInt16(Temp, 0);
nTempCount = 0;
}
}
CheckSum = BitConverter.GetBytes(intCheckSum);
TxBuffer[TxBuffer.Length - 3] = CheckSum[0];
TxBuffer[TxBuffer.Length - 2] = CheckSum[1];
MainComPort.Write(TxBuffer, 0, TxBuffer.Length);
}
catch (Exception) { }
}
private void BtnSerialDisconnect_Click(object sender, EventArgs e)
{
MainComPort.Close();
BtnSerialConnect.Enabled = true;
BtnSerialDisconnect.Enabled = false;
StatusPortName.Text = "";
StatusBaudRate.Text = "";
StatusDataBits.Text = "";
StatusStopBits.Text = "";
StatusParityBits.Text = "";
StatusHandShake.Text = "";
StatusPort.Text = "CLOSED";
}
