CSerialPort::CSerialPort(void)
{
}

bool CSerialPort::Open( char *szComPort)
{
    int handle;
            
    handle = MyKernel::CreateFile(
        szComPort,
        GENERIC_READ | GENERIC_WRITE,
        0,
        NULL,
        OPEN_ALWAYS,
        FILE_FLAG_NO_BUFFERING | FILE_FLAG_OVERLAPPED,
        NULL);

    try
    {
        IntPtr    pCom(handle);
        m_MyFileStream = new FileStream(pCom, 
                                        FileAccess::ReadWrite, 
                                        true, 1000, true);        
    }

    catch (Exception  * e ) {
        Console::WriteLine(e->ToString());
          return false;
      }

    
    DCB    * CommSettings = new DCB();
    CommSettings->DCBlength = sizeof(CommSettings);
    CommSettings->BaudRate  = 38400;
    CommSettings->ByteSize  = 8;
    CommSettings->Parity    = 0;
    CommSettings->StopBits    = 1;

    MyKernel::SetCommState(m_MyFileStream->get_Handle(), 
                           CommSettings);
    

    try
    {
        m_MyStreamReader = new StreamReader(m_MyFileStream);
    }

    catch (Exception  * e ) {
        Console::WriteLine(e->ToString());
          return false;
      }

    if ( m_MyFileStream->get_CanWrite() )
    {
        try
        {
            m_MyStreamWriter = new StreamWriter(m_MyFileStream);
        }

        catch (Exception  * e ) {
            Console::WriteLine(e->ToString());
            return false;
        }
    }

    return true;
}

void CSerialPort::Write(String __gc * buf)
{
    try
    {
        m_MyStreamWriter->Write(buf);
        m_MyStreamWriter->Flush();    
        
    }

    catch (Exception  * e ) {
        Console::WriteLine(e->ToString());    
      }
}

String  * CSerialPort::Read()
{
    String    *buf;
    
    buf = m_MyStreamReader->ReadLine();

    return (buf);
}

void CSerialPort::Close()
{
    m_MyStreamWriter->Close();
    m_MyStreamReader->Close();
    m_MyFileStream->Close();
}