private void handleDevice(ref LEAP_DEVICE_EVENT deviceMsg)
{
IntPtr deviceHandle = deviceMsg.device.handle;
if (deviceHandle == IntPtr.Zero)
{
return;
}
LEAP_DEVICE_INFO deviceInfo = new LEAP_DEVICE_INFO();
eLeapRS result;
IntPtr device;
result = LeapC.OpenDevice(deviceMsg.device, out device);
if (result != eLeapRS.eLeapRS_Success)
{
return;
}
deviceInfo.serial = IntPtr.Zero;
deviceInfo.size = (uint)Marshal.SizeOf(deviceInfo);
result = LeapC.GetDeviceInfo(device, ref deviceInfo); //Query the serial length
if (result != eLeapRS.eLeapRS_Success)
{
return;
}
deviceInfo.serial = Marshal.AllocCoTaskMem((int)deviceInfo.serial_length);
result = LeapC.GetDeviceInfo(device, ref deviceInfo); //Query the serial
if (result == eLeapRS.eLeapRS_Success)
{
Device apiDevice = new Device(deviceHandle,
device,
deviceInfo.h_fov, //radians
deviceInfo.v_fov, //radians
deviceInfo.range / 1000.0f, //to mm
deviceInfo.baseline / 1000.0f, //to mm
(Device.DeviceType)deviceInfo.type,
deviceInfo.status,
Marshal.PtrToStringAnsi(deviceInfo.serial));
Marshal.FreeCoTaskMem(deviceInfo.serial);
_devices.AddOrUpdate(apiDevice);
if (LeapDevice != null)
{
LeapDevice.DispatchOnContext(this, EventContext, new DeviceEventArgs(apiDevice));
}
}
}
private void handleDevice(ref LEAP_DEVICE_EVENT deviceMsg)
{
IntPtr deviceHandle = deviceMsg.device.handle;
if (deviceHandle == IntPtr.Zero)
{
return;
}
LEAP_DEVICE_INFO deviceInfo = new LEAP_DEVICE_INFO();
eLeapRS result;
IntPtr device;
result = LeapC.OpenDevice(deviceMsg.device, out device);
uint defaultLength = 14;
deviceInfo.serial_length = defaultLength;
deviceInfo.serial = Marshal.AllocCoTaskMem((int)defaultLength);
deviceInfo.size = (uint)Marshal.SizeOf(deviceInfo);
result = LeapC.GetDeviceInfo(device, out deviceInfo);
if (result == eLeapRS.eLeapRS_InsufficientBuffer)
{
Marshal.FreeCoTaskMem(deviceInfo.serial);
deviceInfo.serial = Marshal.AllocCoTaskMem((int)deviceInfo.serial_length);
deviceInfo.size = (uint)Marshal.SizeOf(deviceInfo);
result = LeapC.GetDeviceInfo(deviceHandle, out deviceInfo);
}
if (result == eLeapRS.eLeapRS_Success)
{
Device apiDevice = new Device(deviceHandle,
deviceInfo.h_fov, //radians
deviceInfo.v_fov, //radians
deviceInfo.range / 1000, //to mm
deviceInfo.baseline / 1000, //to mm
(deviceInfo.caps == (UInt32)eLeapDeviceCaps.eLeapDeviceCaps_Embedded),
(deviceInfo.status == (UInt32)eLeapDeviceStatus.eLeapDeviceStatus_Streaming),
Marshal.PtrToStringAnsi(deviceInfo.serial));
Marshal.FreeCoTaskMem(deviceInfo.serial);
_devices.AddOrUpdate(apiDevice);
this.LeapDevice.Dispatch(this, new DeviceEventArgs(apiDevice));
}
}
