115 lines
4.8 KiB
C#
115 lines
4.8 KiB
C#
using System;
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using System.Runtime.InteropServices;
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namespace BetterJoyForCemu {
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public class HIDapi {
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#if LINUX
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const string dll = "libhidapi.so";
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#else
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const string dll = "hidapi.dll";
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#endif
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public struct hid_device_info {
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[MarshalAs(UnmanagedType.LPStr)]
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public string path;
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public ushort vendor_id;
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public ushort product_id;
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[MarshalAs(UnmanagedType.LPWStr)]
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public string serial_number;
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public ushort release_number;
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[MarshalAs(UnmanagedType.LPWStr)]
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public string manufacturer_string;
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[MarshalAs(UnmanagedType.LPWStr)]
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public string product_string;
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public ushort usage_page;
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public ushort usage;
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public int interface_number;
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public IntPtr next;
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};
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[DllImport(dll, CallingConvention = CallingConvention.Cdecl)]
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public static extern int hid_init();
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[DllImport(dll, CallingConvention = CallingConvention.Cdecl)]
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public static extern int hid_exit();
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[DllImport(dll, CallingConvention = CallingConvention.Cdecl)]
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public static extern IntPtr hid_enumerate(ushort vendor_id, ushort product_id);
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[DllImport(dll, CallingConvention = CallingConvention.Cdecl)]
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public static extern void hid_free_enumeration(IntPtr phid_device_info);
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[DllImport(dll, CallingConvention = CallingConvention.Cdecl)]
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public static extern IntPtr hid_open(ushort vendor_id, ushort product_id, [MarshalAs(UnmanagedType.LPWStr)] string serial_number);
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[DllImport(dll, CallingConvention = CallingConvention.Cdecl)]
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public static extern IntPtr hid_open_path([MarshalAs(UnmanagedType.LPStr)] string path);
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[DllImport(dll, CallingConvention = CallingConvention.Cdecl)]
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public static extern int hid_write(IntPtr device, byte[] data, UIntPtr length);
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[DllImport(dll, CallingConvention = CallingConvention.Cdecl)]
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public static extern int hid_read_timeout(IntPtr dev, byte[] data, UIntPtr length, int milliseconds);
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[DllImport(dll, CallingConvention = CallingConvention.Cdecl)]
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public static extern int hid_read(IntPtr device, byte[] data, UIntPtr length);
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[DllImport(dll, CallingConvention = CallingConvention.Cdecl)]
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public static extern int hid_set_nonblocking(IntPtr device, int nonblock);
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[DllImport(dll, CallingConvention = CallingConvention.Cdecl)]
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public static extern int hid_send_feature_report(IntPtr device, byte[] data, UIntPtr length);
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[DllImport(dll, CallingConvention = CallingConvention.Cdecl)]
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public static extern int hid_get_feature_report(IntPtr device, byte[] data, UIntPtr length);
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[DllImport(dll, CallingConvention = CallingConvention.Cdecl)]
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public static extern void hid_close(IntPtr device);
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[DllImport(dll, CallingConvention = CallingConvention.Cdecl)]
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public static extern int hid_get_manufacturer_string(IntPtr device, [MarshalAs(UnmanagedType.LPWStr)] string string_, UIntPtr maxlen);
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[DllImport(dll, CallingConvention = CallingConvention.Cdecl)]
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public static extern int hid_get_product_string(IntPtr device, [MarshalAs(UnmanagedType.LPWStr)] string string_, UIntPtr maxlen);
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[DllImport(dll, CallingConvention = CallingConvention.Cdecl)]
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public static extern int hid_get_serial_number_string(IntPtr device, [MarshalAs(UnmanagedType.LPWStr)] string string_, UIntPtr maxlen);
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[DllImport(dll, CallingConvention = CallingConvention.Cdecl)]
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public static extern int hid_get_indexed_string(IntPtr device, int string_index, [MarshalAs(UnmanagedType.LPWStr)] string string_, UIntPtr maxlen);
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[DllImport(dll, CallingConvention = CallingConvention.Cdecl)]
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[return: MarshalAs(UnmanagedType.LPWStr)]
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public static extern string hid_error(IntPtr device);
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static void PrintEnumeration(IntPtr phid_device_info) {
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if (!phid_device_info.Equals(IntPtr.Zero)) {
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hid_device_info hdev = (hid_device_info)Marshal.PtrToStructure(phid_device_info, typeof(hid_device_info));
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Console.WriteLine(string.Format("path: {0}", hdev.path));
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Console.WriteLine(string.Format("vendor id: {0:X}", hdev.vendor_id));
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Console.WriteLine(string.Format("product id: {0:X}", hdev.product_id));
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Console.WriteLine(string.Format("usage page: {0:X}", hdev.usage_page));
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Console.WriteLine(string.Format("usage: {0:X}", hdev.usage));
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Console.WriteLine("");
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PrintEnumeration(hdev.next);
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}
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}
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static string _getDevicePath(IntPtr phid_device_info, ushort usagePage, ushort usage) {
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if (!phid_device_info.Equals(IntPtr.Zero)) {
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hid_device_info hdev = (hid_device_info)Marshal.PtrToStructure(phid_device_info, typeof(hid_device_info));
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if (usagePage == hdev.usage_page && usage == hdev.usage)
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return hdev.path;
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else
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return _getDevicePath(hdev.next, usagePage, usage);
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}
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return null;
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}
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public static string GetDevicePath(ushort vendorId, ushort productId, ushort usagePage, ushort usage) {
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return _getDevicePath(hid_enumerate(vendorId, productId), usagePage, usage);
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}
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}
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}
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