moel@87: /* moel@87: moel@87: Version: MPL 1.1/GPL 2.0/LGPL 2.1 moel@87: moel@87: The contents of this file are subject to the Mozilla Public License Version moel@87: 1.1 (the "License"); you may not use this file except in compliance with moel@87: the License. You may obtain a copy of the License at moel@87: moel@87: http://www.mozilla.org/MPL/ moel@87: moel@87: Software distributed under the License is distributed on an "AS IS" basis, moel@87: WITHOUT WARRANTY OF ANY KIND, either express or implied. See the License moel@87: for the specific language governing rights and limitations under the License. moel@87: moel@87: The Original Code is the Open Hardware Monitor code. moel@87: moel@87: The Initial Developer of the Original Code is moel@87: Michael Möller . moel@87: Portions created by the Initial Developer are Copyright (C) 2009-2010 moel@87: the Initial Developer. All Rights Reserved. moel@87: moel@87: Contributor(s): moel@87: moel@87: Alternatively, the contents of this file may be used under the terms of moel@87: either the GNU General Public License Version 2 or later (the "GPL"), or moel@87: the GNU Lesser General Public License Version 2.1 or later (the "LGPL"), moel@87: in which case the provisions of the GPL or the LGPL are applicable instead moel@87: of those above. If you wish to allow use of your version of this file only moel@87: under the terms of either the GPL or the LGPL, and not to allow others to moel@87: use your version of this file under the terms of the MPL, indicate your moel@87: decision by deleting the provisions above and replace them with the notice moel@87: and other provisions required by the GPL or the LGPL. If you do not delete moel@87: the provisions above, a recipient may use your version of this file under moel@87: the terms of any one of the MPL, the GPL or the LGPL. moel@87: moel@87: */ moel@87: moel@87: using System; moel@87: using System.Collections.Generic; moel@87: using System.Runtime.InteropServices; moel@87: moel@87: namespace OpenHardwareMonitor.Hardware.TBalancer { moel@87: moel@87: public enum FT_DEVICE : uint { moel@87: FT_DEVICE_BM, moel@87: FT_DEVICE_AM, moel@87: FT_DEVICE_100AX, moel@87: FT_DEVICE_UNKNOWN, moel@87: FT_DEVICE_2232, moel@87: FT_DEVICE_232R, moel@87: FT_DEVICE_2232H, moel@87: FT_DEVICE_4232H moel@87: } moel@87: moel@87: public enum FT_STATUS { moel@87: FT_OK, moel@87: FT_INVALID_HANDLE, moel@87: FT_DEVICE_NOT_FOUND, moel@87: FT_DEVICE_NOT_OPENED, moel@87: FT_IO_ERROR, moel@87: FT_INSUFFICIENT_RESOURCES, moel@87: FT_INVALID_PARAMETER, moel@87: FT_INVALID_BAUD_RATE, moel@87: FT_DEVICE_NOT_OPENED_FOR_ERASE, moel@87: FT_DEVICE_NOT_OPENED_FOR_WRITE, moel@87: FT_FAILED_TO_WRITE_DEVICE, moel@87: FT_EEPROM_READ_FAILED, moel@87: FT_EEPROM_WRITE_FAILED, moel@87: FT_EEPROM_ERASE_FAILED, moel@87: FT_EEPROM_NOT_PRESENT, moel@87: FT_EEPROM_NOT_PROGRAMMED, moel@87: FT_INVALID_ARGS, moel@87: FT_OTHER_ERROR moel@87: } moel@87: moel@87: public enum FT_FLOW_CONTROL : ushort { moel@87: FT_FLOW_DTR_DSR = 512, moel@87: FT_FLOW_NONE = 0, moel@87: FT_FLOW_RTS_CTS = 256, moel@87: FT_FLOW_XON_XOFF = 1024, moel@87: } moel@87: moel@87: public enum FT_PURGE : uint { moel@87: FT_PURGE_RX = 1, moel@87: FT_PURGE_TX = 2, moel@87: FT_PURGE_ALL = 3, moel@87: } moel@87: moel@87: [StructLayout(LayoutKind.Sequential)] moel@87: public struct FT_HANDLE { moel@87: private uint handle; moel@87: } moel@87: moel@87: [StructLayout(LayoutKind.Sequential)] moel@87: public struct FT_DEVICE_INFO_NODE { moel@87: public uint Flags; moel@87: public FT_DEVICE Type; moel@87: public uint ID; moel@87: public uint LocId; moel@87: [MarshalAs(UnmanagedType.ByValTStr, SizeConst = 16)] moel@87: public string SerialNumber; moel@87: [MarshalAs(UnmanagedType.ByValTStr, SizeConst = 64)] moel@87: public string Description; moel@87: public FT_HANDLE Handle; moel@87: } moel@87: moel@87: public class FTD2XX { moel@87: moel@87: public delegate FT_STATUS FT_CreateDeviceInfoListDelegate( moel@87: out uint numDevices); moel@87: public delegate FT_STATUS FT_GetDeviceInfoListDelegate( moel@87: [Out] FT_DEVICE_INFO_NODE[] deviceInfoNodes, ref uint length); moel@87: public delegate FT_STATUS FT_OpenDelegate(int device, out FT_HANDLE handle); moel@87: public delegate FT_STATUS FT_CloseDelegate(FT_HANDLE handle); moel@87: public delegate FT_STATUS FT_SetBaudRateDelegate(FT_HANDLE handle, moel@87: uint baudRate); moel@87: public delegate FT_STATUS FT_SetDataCharacteristicsDelegate( moel@87: FT_HANDLE handle, byte wordLength, byte stopBits, byte parity); moel@87: public delegate FT_STATUS FT_SetFlowControlDelegate(FT_HANDLE handle, moel@87: FT_FLOW_CONTROL flowControl, byte xon, byte xoff); moel@87: public delegate FT_STATUS FT_SetTimeoutsDelegate(FT_HANDLE handle, moel@87: uint readTimeout, uint writeTimeout); moel@87: public delegate FT_STATUS FT_WriteDelegate(FT_HANDLE handle, byte[] buffer, moel@87: uint bytesToWrite, out uint bytesWritten); moel@87: public delegate FT_STATUS FT_PurgeDelegate(FT_HANDLE handle, FT_PURGE mask); moel@87: public delegate FT_STATUS FT_GetStatusDelegate(FT_HANDLE handle, moel@87: out uint amountInRxQueue, out uint amountInTxQueue, out uint eventStatus); moel@87: public delegate FT_STATUS FT_ReadDelegate(FT_HANDLE handle, moel@87: [Out] byte[] buffer, uint bytesToRead, out uint bytesReturned); moel@87: moel@87: public static FT_CreateDeviceInfoListDelegate FT_CreateDeviceInfoList; moel@87: public static FT_GetDeviceInfoListDelegate FT_GetDeviceInfoList; moel@87: public static FT_OpenDelegate FT_Open; moel@87: public static FT_CloseDelegate FT_Close; moel@87: public static FT_SetBaudRateDelegate FT_SetBaudRate; moel@87: public static FT_SetDataCharacteristicsDelegate FT_SetDataCharacteristics; moel@87: public static FT_SetFlowControlDelegate FT_SetFlowControl; moel@87: public static FT_SetTimeoutsDelegate FT_SetTimeouts; moel@87: public static FT_WriteDelegate FT_Write; moel@87: public static FT_PurgeDelegate FT_Purge; moel@87: public static FT_GetStatusDelegate FT_GetStatus; moel@87: public static FT_ReadDelegate FT_Read; moel@87: moel@87: public static FT_STATUS Write(FT_HANDLE handle, byte[] buffer) { moel@87: uint bytesWritten; moel@87: FT_STATUS status = FT_Write(handle, buffer, (uint)buffer.Length, moel@87: out bytesWritten); moel@87: if (bytesWritten != buffer.Length) moel@87: return FT_STATUS.FT_FAILED_TO_WRITE_DEVICE; moel@87: else moel@87: return status; moel@87: } moel@87: moel@87: public static int BytesToRead(FT_HANDLE handle) { moel@87: uint amountInRxQueue; moel@87: uint amountInTxQueue; moel@87: uint eventStatus; moel@87: if (FT_GetStatus(handle, out amountInRxQueue, out amountInTxQueue, moel@87: out eventStatus) == FT_STATUS.FT_OK) { moel@87: return (int)amountInRxQueue; moel@87: } else { moel@87: return 0; moel@87: } moel@87: } moel@87: moel@87: public static byte ReadByte(FT_HANDLE handle) { moel@87: byte[] buffer = new byte[1]; moel@87: uint bytesReturned; moel@87: FT_STATUS status = FT_Read(handle, buffer, 1, out bytesReturned); moel@87: if (status != FT_STATUS.FT_OK || bytesReturned != 1) moel@87: throw new Exception(); moel@87: return buffer[0]; moel@87: } moel@87: moel@87: private static string dllName; moel@87: moel@87: private static void GetDelegate(string entryPoint, out T newDelegate) moel@87: where T : class { moel@87: DllImportAttribute attribute = new DllImportAttribute(dllName); moel@87: attribute.CallingConvention = CallingConvention.StdCall; moel@87: attribute.PreserveSig = true; moel@87: attribute.EntryPoint = entryPoint; moel@87: PInvokeDelegateFactory.CreateDelegate(attribute, out newDelegate); moel@87: } moel@87: moel@87: static FTD2XX() { moel@87: int p = (int)System.Environment.OSVersion.Platform; moel@87: if ((p == 4) || (p == 128)) moel@87: dllName = "libftd2xx.so"; moel@87: else moel@87: dllName = "ftd2xx.dll"; moel@87: moel@87: GetDelegate("FT_CreateDeviceInfoList", out FT_CreateDeviceInfoList); moel@87: GetDelegate("FT_GetDeviceInfoList", out FT_GetDeviceInfoList); moel@87: GetDelegate("FT_Open", out FT_Open); moel@87: GetDelegate("FT_Close", out FT_Close); moel@87: GetDelegate("FT_SetBaudRate", out FT_SetBaudRate); moel@87: GetDelegate("FT_SetDataCharacteristics", out FT_SetDataCharacteristics); moel@87: GetDelegate("FT_SetFlowControl", out FT_SetFlowControl); moel@87: GetDelegate("FT_SetTimeouts", out FT_SetTimeouts); moel@87: GetDelegate("FT_Write", out FT_Write); moel@87: GetDelegate("FT_Purge", out FT_Purge); moel@87: GetDelegate("FT_GetStatus", out FT_GetStatus); moel@87: GetDelegate("FT_Read", out FT_Read); moel@87: } moel@87: } moel@87: }