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/*****************************************************************************
* *
* OpenNI 2.x Alpha *
* Copyright (C) 2012 PrimeSense Ltd. *
* *
* This file is part of OpenNI. *
* *
* Licensed under the Apache License, Version 2.0 (the "License"); *
* you may not use this file except in compliance with the License. *
* You may obtain a copy of the License at *
* *
* http://www.apache.org/licenses/LICENSE-2.0 *
* *
* Unless required by applicable law or agreed to in writing, software *
* distributed under the License is distributed on an "AS IS" BASIS, *
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. *
* See the License for the specific language governing permissions and *
* limitations under the License. *
* *
*****************************************************************************/
#include "LinkDeviceEnumeration.h"
#include "XnLinkProtoLibDefs.h"
#include <XnUSB.h>
//---------------------------------------------------------------------------
// Globals
//---------------------------------------------------------------------------
XnBool LinkDeviceEnumeration::ms_initialized = FALSE;
LinkDeviceEnumeration::DeviceConnectivityEvent LinkDeviceEnumeration::ms_connectedEvent;
LinkDeviceEnumeration::DeviceConnectivityEvent LinkDeviceEnumeration::ms_disconnectedEvent;
LinkDeviceEnumeration::DevicesHash LinkDeviceEnumeration::ms_devices;
xnl::Array<XnRegistrationHandle> LinkDeviceEnumeration::ms_aRegistrationHandles;
XN_CRITICAL_SECTION_HANDLE LinkDeviceEnumeration::ms_lock;
LinkDeviceEnumeration::XnUsbId LinkDeviceEnumeration::ms_supportedProducts[] =
{
{ 0x1D27, 0x1250 },
{ 0x1D27, 0x1260 },
{ 0x1D27, 0x1270 },
{ 0x1D27, 0x1280 },
{ 0x1D27, 0x1290 },
{ 0x1D27, 0xf9db },
};
XnUInt32 LinkDeviceEnumeration::ms_supportedProductsCount = sizeof(LinkDeviceEnumeration::ms_supportedProducts) / sizeof(LinkDeviceEnumeration::ms_supportedProducts[0]);
//---------------------------------------------------------------------------
// Code
//---------------------------------------------------------------------------
XnStatus LinkDeviceEnumeration::Initialize()
{
XnStatus nRetVal = XN_STATUS_OK;
if (ms_initialized)
{
return XN_STATUS_OK;
}
nRetVal = xnUSBInit();
XN_IS_STATUS_OK(nRetVal);
nRetVal = xnOSCreateCriticalSection(&ms_lock);
XN_IS_STATUS_OK(nRetVal);
const XnUSBConnectionString* astrDevicePaths;
XnUInt32 nCount;
// check all products
for (XnUInt32 i = 0; i < ms_supportedProductsCount; ++i)
{
// register for USB events
XnRegistrationHandle hRegistration = NULL;
nRetVal = xnUSBRegisterToConnectivityEvents(ms_supportedProducts[i].vendorID, ms_supportedProducts[i].productID, OnConnectivityEventCallback, &ms_supportedProducts[i], &hRegistration);
XN_IS_STATUS_OK(nRetVal);
nRetVal = ms_aRegistrationHandles.AddLast(hRegistration);
XN_IS_STATUS_OK(nRetVal);
// and enumerate for existing ones
nRetVal = xnUSBEnumerateDevices(ms_supportedProducts[i].vendorID, ms_supportedProducts[i].productID, &astrDevicePaths, &nCount);
XN_IS_STATUS_OK(nRetVal);
for (XnUInt32 j = 0; j < nCount; ++j)
{
OnConnectivityEvent(astrDevicePaths[j], XN_USB_EVENT_DEVICE_CONNECT, ms_supportedProducts[i]);
}
xnUSBFreeDevicesList(astrDevicePaths);
}
ms_initialized = TRUE;
return XN_STATUS_OK;
}
void LinkDeviceEnumeration::Shutdown()
{
if (ms_initialized)
{
for (XnUInt32 i = 0; i < ms_aRegistrationHandles.GetSize(); ++i)
{
xnUSBUnregisterFromConnectivityEvents(ms_aRegistrationHandles[i]);
}
ms_aRegistrationHandles.Clear();
ms_connectedEvent.Clear();
ms_disconnectedEvent.Clear();
xnOSCloseCriticalSection(&ms_lock);
xnUSBShutdown();
ms_devices.Clear();
ms_initialized = FALSE;
}
}
void LinkDeviceEnumeration::OnConnectivityEvent(const XnChar* uri, XnUSBEventType eventType, XnUsbId usbId)
{
xnl::AutoCSLocker lock(ms_lock);
if (eventType == XN_USB_EVENT_DEVICE_CONNECT)
{
if (ms_devices.Find(uri) == ms_devices.End())
{
OniDeviceInfo deviceInfo;
deviceInfo.usbVendorId = usbId.vendorID;
deviceInfo.usbProductId = usbId.productID;
xnOSStrCopy(deviceInfo.uri, uri, sizeof(deviceInfo.uri));
xnOSStrCopy(deviceInfo.vendor, XN_VENDOR_PRIMESENSE, sizeof(deviceInfo.vendor));
xnOSStrCopy(deviceInfo.name, "PSLink", sizeof(deviceInfo.name));
// add it to hash
ms_devices.Set(uri, deviceInfo);
// raise event
ms_connectedEvent.Raise(deviceInfo);
}
}
else if (eventType == XN_USB_EVENT_DEVICE_DISCONNECT)
{
OniDeviceInfo deviceInfo;
if (XN_STATUS_OK == ms_devices.Get(uri, deviceInfo))
{
// raise event
ms_disconnectedEvent.Raise(deviceInfo);
// remove it
ms_devices.Remove(uri);
}
}
}
void XN_CALLBACK_TYPE LinkDeviceEnumeration::OnConnectivityEventCallback(XnUSBEventArgs* pArgs, void* pCookie)
{
XnUsbId usbId = *(XnUsbId*)pCookie;
OnConnectivityEvent(pArgs->strDevicePath, pArgs->eventType, usbId);
}
OniDeviceInfo* LinkDeviceEnumeration::GetDeviceInfo(const XnChar* uri)
{
OniDeviceInfo* pInfo = NULL;
xnl::AutoCSLocker lock(ms_lock);
if (ms_devices.Get(uri, pInfo) == XN_STATUS_OK)
{
return pInfo;
}
else
{
return NULL;
}
}
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