# HG changeset patch
# User sl
# Date 1417867730 -3600
# Node ID 5f4e0fbb3ea1670b918bbc166a4449687f8a3f53
# Parent 974f5fdaebfbb366a7f87b3cf44d09b7fee5e529
Adding HidDevice class.
diff -r 974f5fdaebfb -r 5f4e0fbb3ea1 HidUtil.cs
--- /dev/null Thu Jan 01 00:00:00 1970 +0000
+++ b/HidUtil.cs Sat Dec 06 13:08:50 2014 +0100
@@ -0,0 +1,94 @@
+using System;
+using System.Windows.Forms;
+using System.Runtime.InteropServices;
+using System.Diagnostics;
+using System.Text;
+using Microsoft.Win32.SafeHandles;
+
+namespace Hid
+{
+ /// <summary>
+ /// Represent a HID device.
+ /// </summary>
+ class HidDevice
+ {
+ public string Name { get; private set; }
+ public string Manufacturer { get; private set; }
+ public string Product { get; private set; }
+ public ushort VendorId { get; private set; }
+ public ushort ProductId { get; private set; }
+ public ushort Version { get; private set; }
+
+ /// <summary>
+ ///
+ /// </summary>
+ /// <param name="hRawInputDevice"></param>
+ public HidDevice(IntPtr hRawInputDevice)
+ {
+ //Fetch various information defining the given HID device
+ Name = Win32.RawInput.GetDeviceName(hRawInputDevice);
+
+ //Open our device from the device name/path
+ SafeFileHandle handle=Win32.Function.CreateFile(Name,
+ Win32.FileAccess.NONE,
+ Win32.FileShare.FILE_SHARE_READ|Win32.FileShare.FILE_SHARE_WRITE,
+ IntPtr.Zero,
+ Win32.CreationDisposition.OPEN_EXISTING,
+ Win32.FileFlagsAttributes.FILE_FLAG_OVERLAPPED,
+ IntPtr.Zero
+ );
+
+ if (handle.IsInvalid)
+ {
+ Debug.WriteLine("Failed to CreateFile from device name " + Marshal.GetLastWin32Error().ToString());
+ }
+ else
+ {
+ //Get manufacturer string
+ StringBuilder manufacturerString = new StringBuilder(256);
+ if (Win32.Function.HidD_GetManufacturerString(handle, manufacturerString, manufacturerString.Capacity))
+ {
+ Manufacturer = manufacturerString.ToString();
+ }
+
+ //Get product string
+ StringBuilder productString = new StringBuilder(256);
+ if (Win32.Function.HidD_GetProductString(handle, productString, productString.Capacity))
+ {
+ Product = productString.ToString();
+ }
+
+ //Get attributes
+ Win32.HIDD_ATTRIBUTES attributes=new Win32.HIDD_ATTRIBUTES();
+ if (Win32.Function.HidD_GetAttributes(handle, ref attributes))
+ {
+ VendorId = attributes.VendorID;
+ ProductId = attributes.ProductID;
+ Version = attributes.VersionNumber;
+ }
+
+ handle.Close();
+ }
+ }
+
+ /// <summary>
+ /// Print information about this device to our debug output.
+ /// </summary>
+ public void DebugWrite()
+ {
+ Debug.WriteLine("================ HID =========================================================================================");
+ Debug.WriteLine("==== Name: " + Name);
+ Debug.WriteLine("==== Manufacturer: " + Manufacturer);
+ Debug.WriteLine("==== Product: " + Product);
+ Debug.WriteLine("==== VendorID: 0x" + VendorId.ToString("X4"));
+ Debug.WriteLine("==== ProductID: 0x" + ProductId.ToString("X4"));
+ Debug.WriteLine("==== Version: " + Version.ToString());
+ Debug.WriteLine("==============================================================================================================");
+ }
+
+
+
+
+ }
+
+}
\ No newline at end of file
diff -r 974f5fdaebfb -r 5f4e0fbb3ea1 HumanInterfaceDevice.cs
--- a/HumanInterfaceDevice.cs Sat Dec 06 12:13:39 2014 +0100
+++ b/HumanInterfaceDevice.cs Sat Dec 06 13:08:50 2014 +0100
@@ -389,7 +389,6 @@
AppCtrlTileVertically = 0x023B,
AppCtrlFormat = 0x023C,
AppCtrlEdit = 0x023D,
-
}
}
}
\ No newline at end of file
diff -r 974f5fdaebfb -r 5f4e0fbb3ea1 RemoteControlDevice.cs
--- a/RemoteControlDevice.cs Sat Dec 06 12:13:39 2014 +0100
+++ b/RemoteControlDevice.cs Sat Dec 06 13:08:50 2014 +0100
@@ -385,7 +385,7 @@
//Declare some pointers
IntPtr rawInputBuffer = IntPtr.Zero;
- //My understanding is that this is basically our HID descriptor
+ //My understanding is that this is basically our HID descriptor
IntPtr preParsedData = IntPtr.Zero;
try
@@ -406,45 +406,10 @@
return;
}
- //Debug
- string deviceName = RawInput.GetDeviceName(rawInput.header.hDevice);
- Debug.WriteLine("Device name: " + deviceName);
+ //Get various information about this HID device
+ Hid.HidDevice device = new Hid.HidDevice(rawInput.header.hDevice);
+ device.DebugWrite();
- //Open our device from the device name/path
- SafeFileHandle handle=Win32.Function.CreateFile(deviceName,
- Win32.FileAccess.NONE,
- Win32.FileShare.FILE_SHARE_READ|Win32.FileShare.FILE_SHARE_WRITE,
- IntPtr.Zero,
- Win32.CreationDisposition.OPEN_EXISTING,
- Win32.FileFlagsAttributes.FILE_FLAG_OVERLAPPED,
- IntPtr.Zero
- );
-
- if (handle.IsInvalid)
- {
- Debug.WriteLine("Failed to CreateFile from device name " + Marshal.GetLastWin32Error().ToString());
- }
- else
- {
- //Get manufacturer string
- StringBuilder manufacturerString = new StringBuilder(256);
- bool returnStatus = Win32.Function.HidD_GetManufacturerString(handle, manufacturerString, manufacturerString.Capacity);
- if (returnStatus)
- {
- Debug.WriteLine("Manufacturer: " + manufacturerString.ToString());
- }
-
- //Get product string
- StringBuilder productString = new StringBuilder(256);
- returnStatus = Win32.Function.HidD_GetProductString(handle, productString, productString.Capacity);
- if (returnStatus)
- {
- Debug.WriteLine("Product: " + productString.ToString());
- }
-
- handle.Close();
-
- }
diff -r 974f5fdaebfb -r 5f4e0fbb3ea1 RemoteControlSample.csproj
--- a/RemoteControlSample.csproj Sat Dec 06 12:13:39 2014 +0100
+++ b/RemoteControlSample.csproj Sat Dec 06 13:08:50 2014 +0100
@@ -127,6 +127,7 @@
<Compile Include="Form1.cs">
<SubType>Form</SubType>
</Compile>
+ <Compile Include="HidUtil.cs" />
<Compile Include="HumanInterfaceDevice.cs" />
<Compile Include="RawInput.cs" />
<Compile Include="RemoteControlDevice.cs">
diff -r 974f5fdaebfb -r 5f4e0fbb3ea1 Win32Hid.cs
--- a/Win32Hid.cs Sat Dec 06 12:13:39 2014 +0100
+++ b/Win32Hid.cs Sat Dec 06 13:08:50 2014 +0100
@@ -17,6 +17,8 @@
[DllImport("hid.dll", CharSet = CharSet.Auto, SetLastError = true)]
public static extern Boolean HidD_GetProductString(SafeFileHandle HidDeviceObject, StringBuilder Buffer, Int32 BufferLength);
+ [DllImport("hid.dll", CharSet = CharSet.Auto, SetLastError = true)]
+ public static extern Boolean HidD_GetAttributes(SafeFileHandle HidDeviceObject, ref HIDD_ATTRIBUTES Attributes);
}
@@ -74,5 +76,14 @@
public ushort UsagePage;
};
+ [StructLayout(LayoutKind.Sequential)]
+ public struct HIDD_ATTRIBUTES
+ {
+ public uint Size;
+ public ushort VendorID;
+ public ushort ProductID;
+ public ushort VersionNumber;
+ }
+
}
\ No newline at end of file