} //function
private void TO_RXBuffer(byte DATA)
{
if (this.RXptn < RX_Buffer.Length)
{
this.RX_Buffer[this.RXptn++] = DATA;
}
else
{
this.RX_Status = enumRX_Status.WAITING_STX_1;
}
}
//private bool STX_01_ctrl, STX_02_ctrl, ETX_01_ctrl, ETX_02_ctrl;
public SerialPort_Control()
{
mySerialPort = new SerialPort();
mySerialPort.BaudRate = 250000;
mySerialPort.Parity = Parity.None;
mySerialPort.StopBits = StopBits.One;
mySerialPort.DataBits = 8;
mySerialPort.Handshake = Handshake.None;
mySerialPort.ReadTimeout = 50;
mySerialPort.ReadBufferSize = 200000;
mySerialPort.DataReceived += new SerialDataReceivedEventHandler(DataReceivedHandler);
this.RX_Buffer = new byte[CONST.BUFFER_SIZE_RX];
this.RXptn = 0;
this.RX_COMMAND = new sCOMMAND();
this.RX_COMMAND.Processed = true;
this.RX_INFO = new sCOMMAND();
this.RX_INFO.Processed = true;
this.RX_Status = enumRX_Status.WAITING_STX_1;
this.m_PortOpened = false;
}
private void DataReceivedHandler(object sender, SerialDataReceivedEventArgs e)
{
SerialPort sp = (SerialPort)sender;
byte[] indata = Encoding.ASCII.GetBytes(sp.ReadExisting());
for (int ii = 0; ii < indata.Length; ii++)
{
switch (this.RX_Status)
{
//STX_1
case enumRX_Status.WAITING_STX_1:
if (indata[ii] == CONST.STX_1)
{
this.RX_Status = enumRX_Status.WAITING_STX_2;
}
break;
//STX_2
case enumRX_Status.WAITING_STX_2:
if (indata[ii] == CONST.STX_2)
{
this.RX_COMMAND.Processed = true;
this.RXptn = 0;
this.RX_Buffer = new byte[CONST.BUFFER_SIZE_RX];
TO_RXBuffer(CONST.STX_1);
TO_RXBuffer(indata[ii]);
this.RX_Status = enumRX_Status.WAITING_PARAM;
}
else if (indata[ii] == CONST.STX_2)
{
this.RX_Status = enumRX_Status.WAITING_STX_2;
}
else
{
this.RX_Status = enumRX_Status.WAITING_STX_1;
}
break;
//PARAM
case enumRX_Status.WAITING_PARAM:
if (indata[ii] == CONST.ETX_1)
{
this.RX_Status = enumRX_Status.WAITING_ETX_2;
}
TO_RXBuffer(indata[ii]);
break;
//ETX_2
case enumRX_Status.WAITING_ETX_2:
if (indata[ii] == CONST.ETX_2)
{
TO_RXBuffer(indata[ii]);
if (this.CheckRXBufferData())
{
if (this.IsInfoPacket())
{
this.RXBuffer_to_RX_INFO();
}
else
{
this.RXBuffer_to_RXCommand();
}
}
else
{
MessageBox.Show("RXBuffer DATA ERROR!!!");
}
this.RX_Status = enumRX_Status.WAITING_STX_1;
}
else
{
TO_RXBuffer(indata[ii]);
this.RX_Status = enumRX_Status.WAITING_PARAM;
}
break;
}
} // for
} //function
public void Reset_RX_STATUS()
{
this.RX_Status = enumRX_Status.WAITING_STX_1;
}
