Exemple #1
0
 public bool closeComport()
 {
     Win32Com.CancelIo(hPort);
     if (!Win32Com.CloseHandle(hPort))
     {
         //Console.WriteLine("Warning: Can't close COM port!");
         return(false);
     }
     return(true);
 }
Exemple #2
0
        public unsafe void writeComport(string sBuffer)
        {
            byte[] byteArray = new byte[MAX];
            byteArray = encoding.GetBytes(sBuffer + "\r\n");

            fixed(byte *data = &byteArray[0])
            {
                int write = 0;

                if (!Win32Com.WriteFile(hPort, data, byteArray.Length, &write, ptrUWO))
                {
                    Console.WriteLine("Error: Can't write file into COM port!");
                }
            }
        }
Exemple #3
0
        public void timeOut()
        {
            if (!Win32Com.GetCommTimeouts(hPort, out CommTimeouts))
            {
                //Console.WriteLine("TIMEOUT FEJL");

                CommTimeouts.ReadIntervalTimeout = 0;
            }
            CommTimeouts.ReadTotalTimeoutMultiplier  = 1;
            CommTimeouts.ReadTotalTimeoutConstant    = 0;
            CommTimeouts.WriteTotalTimeoutMultiplier = 0;
            CommTimeouts.WriteTotalTimeoutConstant   = 0;

            if (!Win32Com.SetCommTimeouts(hPort, ref CommTimeouts))
            {
                Console.WriteLine("TIMEOUT FEJL");
            }
        }
Exemple #4
0
        public unsafe string readComport()
        {
            int    index = 0;
            string sBuffer;

            byte[] buffer = new byte[MAX];
            int    n      = 1;

            while (n != 0)
            {
                n = 0;
                fixed(byte *data = &buffer[0])
                {
                    if (!Win32Com.ReadFile(hPort, data + index, MAX, &n, ptrUWO))
                    {
                        Console.WriteLine("Read Modem Failed");
                    }
                }
            }
            sBuffer = encoding.GetString(buffer);
            return(sBuffer);
        }
Exemple #5
0
        public bool openComport(string port)
        {
            //hPort = Win32Com.CreateFile(port, (uint) Win32Com.GENERIC_READ | Win32Com.GENERIC_WRITE, 0, 0, 3, 0x40000000, 0);
            hPort = Win32Com.CreateFile(port, Win32Com.GENERIC_READ | Win32Com.GENERIC_WRITE, 0, IntPtr.Zero,
                                        Win32Com.OPEN_EXISTING, 0, IntPtr.Zero);



            if (hPort == (IntPtr)Win32Com.INVALID_HANDLE_VALUE)
            {
                //Console.WriteLine("Error: COM port could not be opened!");
                return(false);
            }
            else
            {
                Win32Com.GetCommState(hPort, ref PortDCB);
                PortDCB.BaudRate = 115200;          //
                PortDCB.ByteSize = 8;               // 8 databit
                PortDCB.Parity   = 0;               //no parity
                PortDCB.StopBits = 0;               //1 stopbit

                /*PortDCB.XonLim = 2048;
                 * PortDCB.XoffLim = 512;
                 * PortDCB.XonChar = 0x11; // Ctrl-Q
                 * PortDCB.XoffChar = 0x13; // Ctrl-S*/

                if (!Win32Com.SetCommState(hPort, ref PortDCB))
                {
                    //Console.WriteLine("Error: COM port could not be opened!");
                    return(false);
                }

                timeOut();
                return(true);
            }
        }