#include <termios.h>
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        cfsetispeed(&options, B9600);
        cfsetospeed(&options, B9600);
        options.c_cflag &= ~(HUPCL | CSIZE | PARENB | CRTSCTS);
        options.c_cflag |= CLOCAL | CREAD | CS8 | CSTOPB;
        options.c_lflag &= ~(ICANON | ECHO | ECHOE | ISIG);
        options.c_iflag &= ~(IXON | IXOFF | IXANY);
        options.c_oflag &= ~OPOST;
        options.c_cc[VMIN] = 0;
        options.c_cc[VTIME] = 1;
.........................

/* control options (c_cflag) &
     input baud (c_ispeed)        */
  options.c_cflag |= B9600 ;
 
  /* set baud rates */
  cfsetispeed( &options, B9600 );
  cfsetospeed( &options, B9600 );

  /* set character size */
  options.c_cflag &= ~CSIZE ;
  options.c_cflag |= CS8 ; /* character size 7bits */

  /* set parity checking */
  /*   options.c_cflag |= PARENB ;   */
  options.c_cflag &= ~PARENB ;
  /*   options.c_cflag |= PARODD ; */ /* parity odd */
  /* set stop bit */
  options.c_cflag &= ~CSTOPB ; /* stop bit 1 */


  /* enable the reciever and set local mode */
  options.c_cflag |= ( CLOCAL | CREAD );

  /* local options (c_lflag)       */

  /* canoncal input */
  options.c_lflag &= ~(ICANON | ECHO | ECHOE | ISIG);
  /* options.c_lflag |= (ICANON | ECHO | ECHOE );*/

  /* input options (c_iflag) */
   
  /* enable input parity check */
    options.c_iflag |= ( INPCK | ISTRIP );
  /* options.c_iflag |= ( IGNPAR ) ;*/

  /* enable software flow control */
  options.c_iflag |= ( IXON | IXOFF );
  /* options.c_iflag &= ~( IXON | IXOFF | IXANY ); */
  /* ignore CR (for Lakeshore model 330) */
  /* options.c_iflag |= IGNCR ;*/

  /* output options (c_oflag) */

  /* not raw or raw output */
  /* options.c_oflag |= OPOST; */ /* not raw */
  options.c_oflag &= ~OPOST;  /* raw */
  /* Map NL to CR-NL(for Lakeshore model 330) */
/*  options.c_oflag |= ONLCR ; */

  /* control options (c_cc) */

  /* set read timeouts () available when noncanonical mode*/
  /*options.c_cc[4] = VEOF;
    options.c_cc[5] = VEOL;*/
  options.c_cc[VMIN] = 0;
  options.c_cc[VTIME] = 1;  /* 0.1 sec unit*/

  /* set the new options for the port */

Active:boolean;
ComPort:ComPort;
ComPortNo:word;
Terminal:CustomEdit;
TerminalUsage:TerminalUsage;
TerminalEcho:boolean;
MonitorCTS:Control;
MonitorDSR:Control;
MonitorRLSD:Control;
MonitorRing:Control;
TraceStates:TraceStates;
BaudRate:cardinal;
Parity:Parity;
StopBits:StopBits;
ByteSize:byte
EventChar:char
StreamProtocol:StreamProtocol
Timeouts:Timeouts;
DataProcessor:DataProcessor;
EnumPorts:ЕnumPorts;
Handle:Handle; {read only}
ModemSignals:ModemSignals; {read only}
CommProp:CommProp; {read only}
TotalReceived:cardinal; {read only}

TotalSent:cardinal; {read only}
ReadyForRead:cardinal; {read only}
NotYetSend:cardinal; {read only}
DeviceName:string; {read only}
BufferInSize:word;
BufferOutSize:word;
TimeoutRead:cardinal;
TimeoutWrite:cardinal;

options.c_cflag &= ~(HUPCL | CSIZE | PARENB | CRTSCTS); //   Hang up connection on last close, ??????? ,No_Parity , Disable hardware flow control,
        options.c_cflag |= CLOCAL | CREAD | CS8 | CSTOPB;    //,Local line - do not change 'owner' of port,Enable receiver,8bit, 2 stop bits (1 otherwise) ,
        options.c_lflag &= ~(ICANON | ECHO | ECHOE | ISIG);// row,Disable echoing of input characters,~Echo erase character as BS-SP-BS,Disable SIGINTR, SIGSUSP, SIGDSUSP, and SIGQUIT signals,
        options.c_iflag &= ~(IXON | IXOFF | IXANY);//Disable software flow control-out,Disable software flow control-inc,Deny any character to start flow again
        options.c_oflag &= ~OPOST;   //ROW

int ReadTimeOut=30;
TForm1::serial_read(void *buf, int len , int ReadTimeOut)
{
    int bytes_left = len,i;
    unsigned char *pbuf = (unsigned char*)buf;



    for(i=0;i<=30;i++)
                        {
    SleepEx(1,false);                                   // Търся през 1ms. получил ли съм точния брой байтове ... макс 35ms.
    if(len==.........->ReadyForRead) break;  //ReadyForRead  Дава ми текущия брой на приетите байтове ... и ако съвпада с точния брой излиза
    }
   if(i<30){
    ............->ReadSerialCom(pbuf,bytes_left);         // Проблема е че зависва докато не получи точния брой байтове, и само тогава ми отваря евънт 
                                                             //  ... ама вече тоя     евънт не ми                върши работа
    .................->Msg("Read was sucsesfully");
    return 1;
    }
    ...............->Msg("Read - TimeOUT");
return 0;
}

while(нишката_е_стартирана)
{
        ако_са_дошли_достатъчно_данни_от_rs232
        {
            копирай_или_обработи_данните
        }
}