public static extern bool IOHIDDeviceConformsTo( IOHIDDeviceRef inIOHIDDeviceRef, // IOHIDDeviceRef for the HID device HIDPage inUsagePage, // the usage page to test conformance with HIDUsageGD inUsage); // the usage to test conformance with
public static extern bool IOHIDDeviceConformsTo(
IOHIDDeviceRef inIOHIDDeviceRef, // IOHIDDeviceRef for the HID device
HIDPage inUsagePage, // the usage page to test conformance with
HIDUsageGD inUsage); // the usage to test conformance with
bool QueryDeviceCaps(Device stick)
{
Debug.Print("[{0}] Querying joystick {1}",
TypeName, stick.GetGuid());
try
{
Debug.Indent();
HidProtocolCaps caps;
if (GetPreparsedData(stick.Handle, ref PreparsedData) &&
GetDeviceCaps(stick, PreparsedData, out caps))
{
if (stick.AxisCaps.Count >= JoystickState.MaxAxes ||
stick.ButtonCaps.Count >= JoystickState.MaxButtons)
{
Debug.Print("Device {0} has {1} and {2} buttons. This might be a touch device - skipping.",
stick.Handle, stick.AxisCaps.Count, stick.ButtonCaps.Count);
return(false);
}
for (int i = 0; i < stick.AxisCaps.Count; i++)
{
Debug.Print("Analyzing value collection {0} {1} {2}",
i,
stick.AxisCaps[i].IsRange ? "range" : "",
stick.AxisCaps[i].IsAlias ? "alias" : "");
if (stick.AxisCaps[i].IsRange || stick.AxisCaps[i].IsAlias)
{
Debug.Print("Skipping value collection {0}", i);
continue;
}
HIDPage page = stick.AxisCaps[i].UsagePage;
short collection = stick.AxisCaps[i].LinkCollection;
switch (page)
{
case HIDPage.GenericDesktop:
HIDUsageGD gd_usage = (HIDUsageGD)stick.AxisCaps[i].NotRange.Usage;
switch (gd_usage)
{
case HIDUsageGD.X:
case HIDUsageGD.Y:
case HIDUsageGD.Z:
case HIDUsageGD.Rx:
case HIDUsageGD.Ry:
case HIDUsageGD.Rz:
case HIDUsageGD.Slider:
case HIDUsageGD.Dial:
case HIDUsageGD.Wheel:
Debug.Print("Found axis {0} ({1} / {2})",
JoystickAxis.Axis0 + stick.GetCapabilities().AxisCount,
page, (HIDUsageGD)stick.AxisCaps[i].NotRange.Usage);
stick.SetAxis(collection, page, stick.AxisCaps[i].NotRange.Usage, 0);
break;
case HIDUsageGD.Hatswitch:
Debug.Print("Found hat {0} ({1} / {2})",
JoystickHat.Hat0 + stick.GetCapabilities().HatCount,
page, (HIDUsageGD)stick.AxisCaps[i].NotRange.Usage);
stick.SetHat(collection, page, stick.AxisCaps[i].NotRange.Usage, HatPosition.Centered);
break;
default:
Debug.Print("Unknown usage {0} for page {1}",
gd_usage, page);
break;
}
break;
case HIDPage.Simulation:
switch ((HIDUsageSim)stick.AxisCaps[i].NotRange.Usage)
{
case HIDUsageSim.Rudder:
case HIDUsageSim.Throttle:
Debug.Print("Found simulation axis {0} ({1} / {2})",
JoystickAxis.Axis0 + stick.GetCapabilities().AxisCount,
page, (HIDUsageSim)stick.AxisCaps[i].NotRange.Usage);
stick.SetAxis(collection, page, stick.AxisCaps[i].NotRange.Usage, 0);
break;
}
break;
default:
Debug.Print("Unknown page {0}", page);
break;
}
}
for (int i = 0; i < stick.ButtonCaps.Count; i++)
{
Debug.Print("Analyzing button collection {0} {1} {2}",
i,
stick.ButtonCaps[i].IsRange ? "range" : "",
stick.ButtonCaps[i].IsAlias ? "alias" : "");
if (stick.ButtonCaps[i].IsAlias)
{
Debug.Print("Skipping button collection {0}", i);
continue;
}
bool is_range = stick.ButtonCaps[i].IsRange;
HIDPage page = stick.ButtonCaps[i].UsagePage;
short collection = stick.ButtonCaps[i].LinkCollection;
switch (page)
{
case HIDPage.Button:
if (is_range)
{
for (short usage = stick.ButtonCaps[i].Range.UsageMin; usage <= stick.ButtonCaps[i].Range.UsageMax; usage++)
{
Debug.Print("Found button {0} ({1} / {2})",
JoystickButton.Button0 + stick.GetCapabilities().ButtonCount,
page, usage);
stick.SetButton(collection, page, usage, false);
}
}
else
{
Debug.Print("Found button {0} ({1} / {2})",
JoystickButton.Button0 + stick.GetCapabilities().ButtonCount,
page, stick.ButtonCaps[i].NotRange.Usage);
stick.SetButton(collection, page, stick.ButtonCaps[i].NotRange.Usage, false);
}
break;
default:
Debug.Print("Unknown page {0} for button.", page);
break;
}
}
}
else
{
return(false);
}
}
finally
{
Debug.Unindent();
}
return(true);
}
public RawInputDevice(HIDUsageGD usage, RawInputDeviceFlags flags, HWND target)
{
UsagePage = HIDPage.GenericDesktop;
Usage = (short)usage;
Flags = flags;
Target = target;
}
