[Dotgnu-pnet-commits] pnetlib/System/Platform PortMethods.cs, NONE, 1.1

[Rhys Weatherley <address@hidden>]

Update of /cvsroot/dotgnu-pnet/pnetlib/System/Platform
In directory subversions:/tmp/cvs-serv7725/System/Platform

Added Files:
        PortMethods.cs 
Log Message:


Check in an initial implementation of the .NET Framework 1.2
serial port classes.


--- NEW FILE: PortMethods.cs ---
/*
 * PortMethods.cs - Implementation of the "Platform.PortMethods" class.
 *
 * Copyright (C) 2003 Southern Storm Software, Pty Ltd
 *
 * This program is free software; you can redistribute it and/or modify
 * it under the terms of the GNU General Public License as published by
 * the Free Software Foundation; either version 2 of the License, or
 * (at your option) any later version.
 *
 * This program is distributed in the hope that it will be useful,
 * but WITHOUT ANY WARRANTY; without even the implied warranty of
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
 * GNU General Public License for more details.
 *
 * You should have received a copy of the GNU General Public License
 * along with this program; if not, write to the Free Software
 * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
 */

namespace Platform
{

using System;
using System.Runtime.CompilerServices;

internal class PortMethods
{
        // Serial port parameters.
        public class Parameters
        {
                public int baudRate;
                public int parity;
                public int dataBits;
                public int stopBits;
                public int handshake;
                public byte parityReplace;
                public bool discardNull;
                public int readBufferSize;
                public int writeBufferSize;
                public int receivedBytesThreshold;
                public int readTimeout;
                public int writeTimeout;

        }; // class Parameters

        // Serial port types.
        public const int SERIAL_REGULAR         = 0;
        public const int SERIAL_INFRARED        = 1;

        // Bits for various serial pins.
        public const int PIN_BREAK                      = (1<<0);
        public const int PIN_CD                         = (1<<1);
        public const int PIN_CTS                        = (1<<2);
        public const int PIN_DSR                        = (1<<3);
        public const int PIN_DTR                        = (1<<4);
        public const int PIN_RTS                        = (1<<5);

        // Determine if a serial port type and name is valid.
        [MethodImpl(MethodImplOptions.InternalCall)]
        extern public static bool IsValid(int type, int portNumber);

        // Determine if a serial port type and name is accessible.
        [MethodImpl(MethodImplOptions.InternalCall)]
        extern public static bool IsAccessible(int type, int portNumber);

        // Open a serial port with certain initial parameters.
        [MethodImpl(MethodImplOptions.InternalCall)]
        extern public static IntPtr Open
                        (int type, int portNumber, Parameters parameters);

        // Close a serial port.
        [MethodImpl(MethodImplOptions.InternalCall)]
        extern public static void Close(IntPtr handle);

        // Modify the serial port parameters.
        [MethodImpl(MethodImplOptions.InternalCall)]
        extern public static void Modify(IntPtr handle, Parameters parameters);

        // Get the number of bytes that are ready to read from the port.
        [MethodImpl(MethodImplOptions.InternalCall)]
        extern public static int GetBytesToRead(IntPtr handle);

        // Get the number of bytes of space that are available to write to the 
port.
        [MethodImpl(MethodImplOptions.InternalCall)]
        extern public static int GetBytesToWrite(IntPtr handle);

        // Read the values of the serial port pins.
        [MethodImpl(MethodImplOptions.InternalCall)]
        extern public static int ReadPins(IntPtr handle);

        // Write the values of particular serial port pins.
        [MethodImpl(MethodImplOptions.InternalCall)]
        extern public static void WritePins(IntPtr handle, int mask, int value);

        // Get the recommended default buffer sizes.
        [MethodImpl(MethodImplOptions.InternalCall)]
        extern public static void GetRecommendedBufferSizes
                                (out int readBufferSize, out int 
writeBufferSize,
                                 out int receivedBytesThreshold);

        // Discard the contents of the input buffer.
        [MethodImpl(MethodImplOptions.InternalCall)]
        extern public static void DiscardInBuffer(IntPtr handle);

        // Discard the contents of the output buffer.
        [MethodImpl(MethodImplOptions.InternalCall)]
        extern public static void DiscardOutBuffer(IntPtr handle);

        // Drain the contents of the output buffer.
        [MethodImpl(MethodImplOptions.InternalCall)]
        extern public static void DrainOutBuffer(IntPtr handle);

        // Read data from a serial port.
        [MethodImpl(MethodImplOptions.InternalCall)]
        extern public static int Read
                        (IntPtr handle, byte[] buffer, int offset, int count);

        // Write data to a serial port.
        [MethodImpl(MethodImplOptions.InternalCall)]
        extern public static void Write
                        (IntPtr handle, byte[] buffer, int offset, int count);

}; // class PortMethods

}; // namespace Platform