Mono-threading to be compatible with unity
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d98210a403
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12
Program.cs
12
Program.cs
@ -14,7 +14,7 @@ namespace SpaceNavWrapper
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// var ev = spnavwrapper.SpaceNav.Instance.WaitEvent(100);
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// Console.WriteLine(ev);
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//}
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SpaceNavDriver navDriver = new SpaceNavDriver();
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SpaceNav navDriver = new SpaceNav();
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navDriver.InitDevice();
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navDriver.Button += OnButton;
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navDriver.Motion += OnMotion;
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@ -22,10 +22,10 @@ namespace SpaceNavWrapper
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Console.CancelKeyPress += delegate {
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navDriver.Dispose();
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};
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for (; ; )
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{
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}
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for (; ; )
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{
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navDriver.WaitEvent();
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}
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}
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private static void OnMotion(object sender, MotionEventArgs e)
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@ -35,7 +35,7 @@ namespace SpaceNavWrapper
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private static void OnButton(object sender, EventArgs e)
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{
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Console.WriteLine("Button pressed");
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Console.WriteLine(e);
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}
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}
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}
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193
SpaceNav.cs
193
SpaceNav.cs
@ -1,110 +1,101 @@
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using System;
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using System.Runtime.InteropServices;
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using System.Threading;
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namespace SpaceNavWrapper
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{
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public class SpaceNavDriver : IDisposable
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{
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public class SpaceNav : IDisposable
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{
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const string DLL_NAME = "spnavhdi";
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#region Constants
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private const int SPNAV_EVENT_MOTION = 1;
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private const int SPNAV_EVENT_BUTTON = 2;
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private const ushort SPNAV_VENDOR_ID = 0x046d;
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private const ushort SPNAV_PRODUCT_ID = 0x0c627;
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#endregion
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#region Constants
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private const int SPNAV_EVENT_MOTION = 1;
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private const int SPNAV_EVENT_BUTTON = 2;
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private const ushort SPNAV_VENDOR_ID = 0x046d;
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private const ushort SPNAV_PRODUCT_ID = 0x0c627;
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#endregion
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public event EventHandler<MotionEventArgs> Motion;
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public event EventHandler<EventArgs> Button;
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private Thread eventThread;
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private bool deviceReady;
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private double _sensitivity = 1.0;
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private int _threshold = 5;
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public event EventHandler<ButtonEventArgs> Button;
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private double _sensitivity = 1.0;
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private int _threshold = 5;
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private bool isDisposed;
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#region Structures
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private struct SpNavEventMotion
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{
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public int type;
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public int x, y, z;
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public int rx, ry, rz;
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public uint period;
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public IntPtr data;
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}
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{
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public int type;
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public int x, y, z;
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public int rx, ry, rz;
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public uint period;
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public IntPtr data;
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}
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private struct SpNavEventButton
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{
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public int type;
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public int press;
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public int bnum;
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}
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private struct SpNavEventButton
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{
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public int type;
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[MarshalAs(UnmanagedType.Bool)]
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public bool press;
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public int bnum;
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}
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[StructLayout(LayoutKind.Explicit)]
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private struct SpNavEvent
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{
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[FieldOffset(0)] public int type;
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[FieldOffset(0)] public SpNavEventMotion motion;
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[FieldOffset(0)] public SpNavEventButton button;
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}
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#endregion
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#region DLL Imports
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[DllImport(DLL_NAME)]
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private static extern int spnav_open(ushort vendor_id, ushort product_id);
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[DllImport(DLL_NAME)]
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private static extern int spnav_close();
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[DllImport(DLL_NAME)]
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private static extern int spnav_wait_event(ref SpNavEvent ev);
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[DllImport(DLL_NAME)]
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private static extern int spnav_wait_event_timeout(ref SpNavEvent ev, int timeout);
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[DllImport(DLL_NAME)]
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private static extern int spnav_sensitivity(double sens);
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[DllImport(DLL_NAME)]
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private static extern int spnav_deadzone(int threshold);
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#endregion
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public SpaceNavDriver()
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{
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eventThread = new Thread(HandleEvents)
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{
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IsBackground = true,
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Name = "3Dconnexion-Event-Dispatcher"
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};
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eventThread.Start();
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}
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public void InitDevice()
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{
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[StructLayout(LayoutKind.Explicit)]
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private struct SpNavEvent
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{
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[FieldOffset(0)] public int type;
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[FieldOffset(0)] public SpNavEventMotion motion;
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[FieldOffset(0)] public SpNavEventButton button;
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}
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#endregion
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#region DLL Imports
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[DllImport(DLL_NAME)]
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private static extern int spnav_open(ushort vendor_id, ushort product_id);
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[DllImport(DLL_NAME)]
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private static extern int spnav_close();
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[DllImport(DLL_NAME)]
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private static extern int spnav_wait_event(ref SpNavEvent ev);
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[DllImport(DLL_NAME)]
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private static extern int spnav_wait_event_timeout(ref SpNavEvent ev, int timeout);
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[DllImport(DLL_NAME)]
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private static extern int spnav_sensitivity(double sens);
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[DllImport(DLL_NAME)]
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private static extern int spnav_deadzone(int threshold);
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#endregion
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public void InitDevice()
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{
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// TODO handle retcode and errors
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spnav_open(SPNAV_VENDOR_ID, SPNAV_PRODUCT_ID);
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spnav_deadzone(5);
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deviceReady = true;
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}
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}
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private void HandleEvents(object obj)
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{
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// Block while the device isn't ready
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while (!deviceReady) {}
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Console.WriteLine("Device ready !");
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while (!isDisposed)
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{
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SpNavEvent sev = new SpNavEvent();
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int ev_type = spnav_wait_event(ref sev);
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Console.WriteLine("Event type : {0}", sev.type);
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switch (ev_type)
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{
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case SPNAV_EVENT_BUTTON:
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//return new SpaceNavButtonEvent(Convert.ToBoolean(sev.button.press), sev.button.bnum);
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Button(this, new EventArgs());
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break;
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case SPNAV_EVENT_MOTION:
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var ev = sev.motion;
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Motion(this, new MotionEventArgs(ev.x, ev.y, ev.z, ev.rx, ev.ry, ev.rz));
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break;
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}
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}
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public void WaitEvent(int millis = -1)
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{
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SpNavEvent sev = new SpNavEvent();
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int ev_type;
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if (millis == -1)
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{
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ev_type = spnav_wait_event(ref sev);
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}
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else
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{
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ev_type = spnav_wait_event_timeout(ref sev, (int)millis);
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}
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switch (ev_type)
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{
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case SPNAV_EVENT_BUTTON:
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var e = sev.button;
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Button(this, new ButtonEventArgs(e.press, e.bnum));
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break;
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case SPNAV_EVENT_MOTION:
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var ev = sev.motion;
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Motion(this, new MotionEventArgs(ev.x, ev.y, ev.z, ev.rx, ev.ry, ev.rz));
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break;
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default:
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break;
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}
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}
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public double Sensitivity
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@ -126,17 +117,17 @@ namespace SpaceNavWrapper
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spnav_deadzone(value);
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}
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}
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public void Dispose()
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{
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if (!isDisposed)
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{
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CloseDevice();
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Button = null;
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Motion = null;
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}
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isDisposed = true;
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}
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public void Dispose()
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{
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if (!isDisposed)
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{
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CloseDevice();
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Button = null;
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Motion = null;
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}
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isDisposed = true;
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}
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private void CloseDevice()
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{
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@ -25,13 +25,18 @@ namespace SpaceNavWrapper
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}
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public class ButtonEventArgs : EventArgs
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{
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public readonly int button;
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public readonly bool pressed;
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{
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public readonly bool Pressed;
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public readonly int Button;
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public override string ToString()
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public ButtonEventArgs(bool pressed, int button)
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{
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return string.Format("[ButtonEventArgs: button={0}, pressed={1}]", button, pressed);
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Pressed = pressed;
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Button = button;
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}
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}
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public override string ToString()
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{
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return string.Format("[ButtonEventArgs: button={0}, pressed={1}]", Button, Pressed);
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}
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}
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}
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@ -27,9 +27,9 @@
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<PlatformTarget>x86</PlatformTarget>
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</PropertyGroup>
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<ItemGroup>
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<Compile Include="SpaceNav.cs" />
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<Compile Include="SpaceNavEvent.cs" />
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<Compile Include="Program.cs" />
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<Compile Include="SpaceNav.cs" />
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</ItemGroup>
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<Import Project="$(MSBuildBinPath)\Microsoft.CSharp.targets" />
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</Project>
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