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Chris Kaczor
2014-05-01 09:35:06 -04:00
commit 47be3b3e1a
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87
Delcom/HIDDeclarations.cs Normal file
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using System;
using System.Runtime.InteropServices;
using Microsoft.Win32.SafeHandles;
namespace WorkIndicator.Delcom
{
internal sealed partial class HID
{
// API declarations for HID communications.
// from hidpi.h
// Typedef enum defines a set of integer constants for HidP_Report_Type
internal const Int16 HidPInput = 0;
internal const Int16 HidPOutput = 1;
internal const Int16 HidPFeature = 2;
[StructLayout(LayoutKind.Sequential)]
internal struct HiddAttributes
{
internal Int32 Size;
internal UInt16 VendorID;
internal UInt16 ProductID;
internal UInt16 VersionNumber;
}
internal struct HidpCaps
{
internal Int16 Usage;
internal Int16 UsagePage;
internal Int16 InputReportByteLength;
internal Int16 OutputReportByteLength;
internal Int16 FeatureReportByteLength;
[MarshalAs(UnmanagedType.ByValArray, SizeConst = 17)]
internal Int16[] Reserved;
internal Int16 NumberLinkCollectionNodes;
internal Int16 NumberInputButtonCaps;
internal Int16 NumberInputValueCaps;
internal Int16 NumberInputDataIndices;
internal Int16 NumberOutputButtonCaps;
internal Int16 NumberOutputValueCaps;
internal Int16 NumberOutputDataIndices;
internal Int16 NumberFeatureButtonCaps;
internal Int16 NumberFeatureValueCaps;
internal Int16 NumberFeatureDataIndices;
}
[DllImport("hid.dll", SetLastError = true)]
internal static extern Boolean HidD_FlushQueue(SafeFileHandle hidDeviceObject);
[DllImport("hid.dll", SetLastError = true)]
internal static extern Boolean HidD_FreePreparsedData(IntPtr preparsedData);
[DllImport("hid.dll", SetLastError = true)]
internal static extern Boolean HidD_GetAttributes(SafeFileHandle hidDeviceObject, ref HiddAttributes hiddAttributes);
[DllImport("hid.dll", SetLastError = true)]
internal static extern Boolean HidD_GetFeature(SafeFileHandle hidDeviceObject, Byte[] lpReportBuffer, Int32 reportBufferLength);
[DllImport("hid.dll", SetLastError = true)]
internal static extern Boolean HidD_GetInputReport(SafeFileHandle hidDeviceObject, Byte[] lpReportBuffer, Int32 reportBufferLength);
[DllImport("hid.dll", SetLastError = true)]
internal static extern void HidD_GetHidGuid(ref Guid hidGuid);
[DllImport("hid.dll", SetLastError = true)]
internal static extern Boolean HidD_GetNumInputBuffers(SafeFileHandle hidDeviceObject, ref Int32 numberBuffers);
[DllImport("hid.dll", SetLastError = true)]
internal static extern Boolean HidD_GetPreparsedData(SafeFileHandle hidDeviceObject, ref IntPtr preparsedData);
[DllImport("hid.dll", SetLastError = true)]
internal static extern Boolean HidD_SetFeature(SafeFileHandle hidDeviceObject, Byte[] lpReportBuffer, Int32 reportBufferLength);
[DllImport("hid.dll", SetLastError = true)]
internal static extern Boolean HidD_SetNumInputBuffers(SafeFileHandle hidDeviceObject, Int32 numberBuffers);
[DllImport("hid.dll", SetLastError = true)]
internal static extern Boolean HidD_SetOutputReport(SafeFileHandle hidDeviceObject, Byte[] lpReportBuffer, Int32 reportBufferLength);
[DllImport("hid.dll", SetLastError = true)]
internal static extern Int32 HidP_GetCaps(IntPtr preparsedData, ref HidpCaps capabilities);
[DllImport("hid.dll", SetLastError = true)]
internal static extern Int32 HidP_GetValueCaps(Int32 reportType, Byte[] valueCaps, ref Int32 valueCapsLength, IntPtr preparsedData);
}
}