diff options
| author | Brad Davis <[email protected]> | 2013-06-27 11:25:32 -0800 |
|---|---|---|
| committer | Brad Davis <[email protected]> | 2013-06-28 10:47:29 -0700 |
| commit | ebefcc885f74461cd0e3f19b5ae3622dc6cf6dbc (patch) | |
| tree | 2b16db7350fce54c2e6c1b1c4020d67419cb1164 /LibOVR/Src/OVR_OSX_HIDDevice.cpp | |
| parent | 0ade748e1845694c5cbe562fb823e56f09773e27 (diff) | |
SDK 0.2.2
Diffstat (limited to 'LibOVR/Src/OVR_OSX_HIDDevice.cpp')
| -rw-r--r-- | LibOVR/Src/OVR_OSX_HIDDevice.cpp | 899 |
1 files changed, 899 insertions, 0 deletions
diff --git a/LibOVR/Src/OVR_OSX_HIDDevice.cpp b/LibOVR/Src/OVR_OSX_HIDDevice.cpp new file mode 100644 index 0000000..40b63c9 --- /dev/null +++ b/LibOVR/Src/OVR_OSX_HIDDevice.cpp @@ -0,0 +1,899 @@ +/************************************************************************************
+Filename : OVR_OSX_HIDDevice.cpp
+Content : OSX HID device implementation.
+Created : February 26, 2013
+Authors : Lee Cooper
+
+Copyright : Copyright 2013 Oculus VR, Inc. All Rights reserved.
+
+Use of this software is subject to the terms of the Oculus license
+agreement provided at the time of installation or download, or which
+otherwise accompanies this software in either electronic or hard copy form.
+
+*************************************************************************************/
+
+#include "OVR_OSX_HIDDevice.h"
+
+#include <IOKit/usb/IOUSBLib.h>
+
+namespace OVR { namespace OSX {
+
+static const UInt32 MAX_QUEUED_INPUT_REPORTS = 5;
+
+//-------------------------------------------------------------------------------------
+// **** OSX::DeviceManager
+
+HIDDeviceManager::HIDDeviceManager(DeviceManager* manager)
+ : DevManager(manager)
+{
+ HIDManager = NULL;
+}
+
+HIDDeviceManager::~HIDDeviceManager()
+{
+}
+
+CFRunLoopRef HIDDeviceManager::getRunLoop()
+{
+ if (DevManager != NULL)
+ {
+ return DevManager->pThread->GetRunLoop();
+ }
+
+ return CFRunLoopGetCurrent();
+}
+
+bool HIDDeviceManager::initializeManager()
+{
+ if (HIDManager != NULL)
+ {
+ return true;
+ }
+
+ HIDManager = IOHIDManagerCreate(kCFAllocatorDefault, kIOHIDOptionsTypeNone);
+
+ if (!HIDManager)
+ {
+ return false;
+ }
+
+ // Create a Matching Dictionary
+ CFMutableDictionaryRef matchDict =
+ CFDictionaryCreateMutable(kCFAllocatorDefault,
+ 2,
+ &kCFTypeDictionaryKeyCallBacks,
+ &kCFTypeDictionaryValueCallBacks);
+
+ // Specify a device manufacturer in the Matching Dictionary
+ UInt32 vendorId = Oculus_VendorId;
+ CFNumberRef vendorIdRef = CFNumberCreate(kCFAllocatorDefault, kCFNumberIntType, &vendorId);
+ CFDictionarySetValue(matchDict,
+ CFSTR(kIOHIDVendorIDKey),
+ vendorIdRef);
+ // Register the Matching Dictionary to the HID Manager
+ IOHIDManagerSetDeviceMatching(HIDManager, matchDict);
+ CFRelease(vendorIdRef);
+ CFRelease(matchDict);
+
+ // Register a callback for USB device detection with the HID Manager
+ IOHIDManagerRegisterDeviceMatchingCallback(HIDManager, &staticDeviceMatchingCallback, this);
+
+ IOHIDManagerScheduleWithRunLoop(HIDManager, getRunLoop(), kCFRunLoopDefaultMode);
+
+ return true;
+}
+
+bool HIDDeviceManager::Initialize()
+{
+ return initializeManager();
+}
+
+void HIDDeviceManager::Shutdown()
+{
+ OVR_ASSERT_LOG(HIDManager, ("Should have called 'Initialize' before 'Shutdown'."));
+ CFRelease(HIDManager);
+
+ LogText("OVR::OSX::HIDDeviceManager - shutting down.\n");
+}
+
+bool HIDDeviceManager::getIntProperty(IOHIDDeviceRef device, CFStringRef propertyName, SInt32* pResult)
+{
+
+ CFTypeRef ref = IOHIDDeviceGetProperty(device, propertyName);
+
+ if (!ref)
+ {
+ return false;
+ }
+
+ if (CFGetTypeID(ref) != CFNumberGetTypeID())
+ {
+ return false;
+ }
+
+ CFNumberGetValue((CFNumberRef) ref, kCFNumberSInt32Type, pResult);
+
+ return true;
+}
+
+bool HIDDeviceManager::initVendorProductVersion(IOHIDDeviceRef device, HIDDeviceDesc* pDevDesc)
+{
+
+ if (!getVendorId(device, &(pDevDesc->VendorId)))
+ {
+ return false;
+ }
+
+ if (!getProductId(device, &(pDevDesc->ProductId)))
+ {
+ return false;
+ }
+
+ return true;
+}
+
+bool HIDDeviceManager::initUsage(IOHIDDeviceRef device, HIDDeviceDesc* pDevDesc)
+{
+
+ SInt32 result;
+
+ if (!getIntProperty(device, CFSTR(kIOHIDPrimaryUsagePageKey), &result))
+ {
+ return false;
+ }
+
+ pDevDesc->UsagePage = result;
+
+
+ if (!getIntProperty(device, CFSTR(kIOHIDPrimaryUsageKey), &result))
+ {
+ return false;
+ }
+
+ pDevDesc->Usage = result;
+
+ return true;
+}
+
+bool HIDDeviceManager::initSerialNumber(IOHIDDeviceRef device, HIDDeviceDesc* pDevDesc)
+{
+ return getSerialNumberString(device, &(pDevDesc->SerialNumber));
+}
+
+bool HIDDeviceManager::initStrings(IOHIDDeviceRef device, HIDDeviceDesc* pDevDesc)
+{
+
+ // Regardless of whether they fail we'll try and get the remaining.
+ getStringProperty(device, CFSTR(kIOHIDManufacturerKey), &(pDevDesc->Manufacturer));
+ getStringProperty(device, CFSTR(kIOHIDProductKey), &(pDevDesc->Product));
+
+ return true;
+}
+
+bool HIDDeviceManager::getStringProperty(IOHIDDeviceRef device,
+ CFStringRef propertyName,
+ String* pResult)
+{
+
+ CFStringRef str = (CFStringRef) IOHIDDeviceGetProperty(device, propertyName);
+
+ if (!str)
+ {
+ return false;
+ }
+
+ CFIndex length = CFStringGetLength(str);
+ CFRange range = CFRangeMake(0, length);
+
+ // Test the conversion first to get required buffer size.
+ CFIndex bufferLength;
+ CFIndex numberOfChars = CFStringGetBytes(str,
+ range,
+ kCFStringEncodingUTF8,
+ (char) '?',
+ FALSE,
+ NULL,
+ 0,
+ &bufferLength);
+
+ if (numberOfChars == 0)
+ {
+ return false;
+ }
+
+ // Now allocate buffer.
+ char* buffer = new char[bufferLength+1];
+
+ numberOfChars = CFStringGetBytes(str,
+ range,
+ kCFStringEncodingUTF8,
+ (char) '?',
+ FALSE,
+ (UInt8*) buffer,
+ bufferLength,
+ NULL);
+ OVR_ASSERT_LOG(numberOfChars != 0, ("CFStringGetBytes failed."));
+
+ buffer[bufferLength] = '\0';
+ *pResult = String(buffer);
+
+ return true;
+}
+
+bool HIDDeviceManager::getVendorId(IOHIDDeviceRef device, UInt16* pResult)
+{
+ SInt32 result;
+
+ if (!getIntProperty(device, CFSTR(kIOHIDVendorIDKey), &result))
+ {
+ return false;
+ }
+
+ *pResult = result;
+
+ return true;
+}
+
+bool HIDDeviceManager::getProductId(IOHIDDeviceRef device, UInt16* pResult)
+{
+ SInt32 result;
+
+ if (!getIntProperty(device, CFSTR(kIOHIDProductIDKey), &result))
+ {
+ return false;
+ }
+
+ *pResult = result;
+
+ return true;
+}
+
+bool HIDDeviceManager::getLocationId(IOHIDDeviceRef device, SInt32* pResult)
+{
+ SInt32 result;
+
+ if (!getIntProperty(device, CFSTR(kIOHIDLocationIDKey), &result))
+ {
+ return false;
+ }
+
+ *pResult = result;
+
+ return true;
+}
+
+bool HIDDeviceManager::getSerialNumberString(IOHIDDeviceRef device, String* pResult)
+{
+
+ if (!getStringProperty(device, CFSTR(kIOHIDSerialNumberKey), pResult))
+ {
+ return false;
+ }
+
+ return true;
+}
+
+bool HIDDeviceManager::getPath(IOHIDDeviceRef device, String* pPath)
+{
+
+ String transport;
+ if (!getStringProperty(device, CFSTR(kIOHIDTransportKey), &transport))
+ {
+ return false;
+ }
+
+ UInt16 vendorId;
+ if (!getVendorId(device, &vendorId))
+ {
+ return false;
+ }
+
+ UInt16 productId;
+ if (!getProductId(device, &productId))
+ {
+ return false;
+ }
+
+ String serialNumber;
+ if (!getSerialNumberString(device, &serialNumber))
+ {
+ return false;
+ }
+
+
+ StringBuffer buffer;
+ buffer.AppendFormat("%s:vid=%04hx:pid=%04hx:ser=%s",
+ transport.ToCStr(),
+ vendorId,
+ productId,
+ serialNumber.ToCStr());
+
+ *pPath = String(buffer);
+
+ return true;
+}
+
+bool HIDDeviceManager::Enumerate(HIDEnumerateVisitor* enumVisitor)
+{
+ if (!initializeManager())
+ {
+ return false;
+ }
+
+
+ CFSetRef deviceSet = IOHIDManagerCopyDevices(HIDManager);
+ if (!deviceSet)
+ return false;
+
+ CFIndex deviceCount = CFSetGetCount(deviceSet);
+
+ // Allocate a block of memory and read the set into it.
+ IOHIDDeviceRef* devices = (IOHIDDeviceRef*) OVR_ALLOC(sizeof(IOHIDDeviceRef) * deviceCount);
+ CFSetGetValues(deviceSet, (const void **) devices);
+
+
+ // Iterate over devices.
+ for (CFIndex deviceIndex = 0; deviceIndex < deviceCount; deviceIndex++)
+ {
+ IOHIDDeviceRef hidDev = devices[deviceIndex];
+
+ if (!hidDev)
+ {
+ continue;
+ }
+
+ HIDDeviceDesc devDesc;
+
+ if (getPath(hidDev, &(devDesc.Path)) &&
+ initVendorProductVersion(hidDev, &devDesc) &&
+ enumVisitor->MatchVendorProduct(devDesc.VendorId, devDesc.ProductId) &&
+ initUsage(hidDev, &devDesc))
+ {
+ initStrings(hidDev, &devDesc);
+ initSerialNumber(hidDev, &devDesc);
+
+ // Look for the device to check if it is already opened.
+ Ptr<DeviceCreateDesc> existingDevice = DevManager->FindHIDDevice(devDesc);
+ // if device exists and it is opened then most likely the CreateHIDFile
+ // will fail; therefore, we just set Enumerated to 'true' and continue.
+ if (existingDevice && existingDevice->pDevice)
+ {
+ existingDevice->Enumerated = true;
+ continue;
+ }
+
+ // Construct minimal device that the visitor callback can get feature reports from.
+ OSX::HIDDevice device(this, hidDev);
+
+ enumVisitor->Visit(device, devDesc);
+ }
+ }
+
+ OVR_FREE(devices);
+ CFRelease(deviceSet);
+
+ return true;
+}
+
+OVR::HIDDevice* HIDDeviceManager::Open(const String& path)
+{
+
+ Ptr<OSX::HIDDevice> device = *new OSX::HIDDevice(this);
+
+ if (!device->HIDInitialize(path))
+ {
+ return NULL;
+ }
+
+ device->AddRef();
+
+ return device;
+}
+
+bool HIDDeviceManager::getFullDesc(IOHIDDeviceRef device, HIDDeviceDesc* desc)
+{
+
+ if (!initVendorProductVersion(device, desc))
+ {
+ return false;
+ }
+
+ if (!initUsage(device, desc))
+ {
+ return false;
+ }
+
+ if (!initSerialNumber(device, desc))
+ {
+ return false;
+ }
+
+ initStrings(device, desc);
+
+ return true;
+}
+
+// New USB device specified in the matching dictionary has been added (callback function)
+void HIDDeviceManager::staticDeviceMatchingCallback(void *inContext,
+ IOReturn inResult,
+ void *inSender,
+ IOHIDDeviceRef inIOHIDDeviceRef)
+{
+ HIDDeviceManager* hidMgr = static_cast<HIDDeviceManager*>(inContext);
+ HIDDeviceDesc hidDevDesc;
+ hidMgr->getPath(inIOHIDDeviceRef, &hidDevDesc.Path);
+ hidMgr->getFullDesc(inIOHIDDeviceRef, &hidDevDesc);
+
+ hidMgr->DevManager->DetectHIDDevice(hidDevDesc);
+}
+
+//-------------------------------------------------------------------------------------
+// **** OSX::HIDDevice
+
+HIDDevice::HIDDevice(HIDDeviceManager* manager)
+ : HIDManager(manager), InMinimalMode(false)
+{
+ Device = NULL;
+ RepluggedNotificationPort = 0;
+}
+
+// This is a minimal constructor used during enumeration for us to pass
+// a HIDDevice to the visit function (so that it can query feature reports).
+HIDDevice::HIDDevice(HIDDeviceManager* manager, IOHIDDeviceRef device)
+: HIDManager(manager), Device(device), InMinimalMode(true)
+{
+ RepluggedNotificationPort = 0;
+}
+
+HIDDevice::~HIDDevice()
+{
+ if (!InMinimalMode)
+ {
+ HIDShutdown();
+ }
+}
+
+bool HIDDevice::HIDInitialize(const String& path)
+{
+
+ DevDesc.Path = path;
+
+ if (!openDevice())
+ {
+ LogText("OVR::OSX::HIDDevice - Failed to open HIDDevice: %s", path.ToCStr());
+ return false;
+ }
+
+ // Setup notification for when a device is unplugged and plugged back in.
+ if (!setupDevicePluggedInNotification())
+ {
+ LogText("OVR::OSX::HIDDevice - Failed to setup notification for when device plugged back in.");
+ closeDevice(false);
+ return false;
+ }
+
+ HIDManager->DevManager->pThread->AddTicksNotifier(this);
+
+
+ LogText("OVR::OSX::HIDDevice - Opened '%s'\n"
+ " Manufacturer:'%s' Product:'%s' Serial#:'%s'\n",
+ DevDesc.Path.ToCStr(),
+ DevDesc.Manufacturer.ToCStr(), DevDesc.Product.ToCStr(),
+ DevDesc.SerialNumber.ToCStr());
+
+ return true;
+}
+
+bool HIDDevice::initInfo()
+{
+ // Device must have been successfully opened.
+ OVR_ASSERT(Device);
+
+
+ // Get report lengths.
+ SInt32 bufferLength;
+ bool getResult = HIDManager->getIntProperty(Device, CFSTR(kIOHIDMaxInputReportSizeKey), &bufferLength);
+ OVR_ASSERT(getResult);
+ InputReportBufferLength = (UInt16) bufferLength;
+
+ getResult = HIDManager->getIntProperty(Device, CFSTR(kIOHIDMaxOutputReportSizeKey), &bufferLength);
+ OVR_ASSERT(getResult);
+ OutputReportBufferLength = (UInt16) bufferLength;
+
+ getResult = HIDManager->getIntProperty(Device, CFSTR(kIOHIDMaxFeatureReportSizeKey), &bufferLength);
+ OVR_ASSERT(getResult);
+ FeatureReportBufferLength = (UInt16) bufferLength;
+
+
+ if (ReadBufferSize < InputReportBufferLength)
+ {
+ OVR_ASSERT_LOG(false, ("Input report buffer length is bigger than read buffer."));
+ return false;
+ }
+
+ // Get device desc.
+ if (!HIDManager->getFullDesc(Device, &DevDesc))
+ {
+ OVR_ASSERT_LOG(false, ("Failed to get device desc while initializing device."));
+ return false;
+ }
+
+ return true;
+}
+
+void HIDDevice::staticDeviceAddedCallback(void* pContext, io_iterator_t iterator)
+{
+ HIDDevice* pDevice = (HIDDevice*) pContext;
+ pDevice->deviceAddedCallback(iterator);
+}
+
+void HIDDevice::deviceAddedCallback(io_iterator_t iterator)
+{
+
+ if (Device == NULL)
+ {
+ if (openDevice())
+ {
+ LogText("OVR::OSX::HIDDevice - Reopened device : %s", DevDesc.Path.ToCStr());
+
+ Ptr<DeviceCreateDesc> existingHIDDev = HIDManager->DevManager->FindHIDDevice(DevDesc);
+ if (existingHIDDev && existingHIDDev->pDevice)
+ {
+ HIDManager->DevManager->CallOnDeviceAdded(existingHIDDev);
+ }
+ }
+ }
+
+ // Reset callback.
+ while (IOIteratorNext(iterator))
+ ;
+}
+
+bool HIDDevice::openDevice()
+{
+
+ // Have to iterate through devices again to generate paths.
+ CFSetRef deviceSet = IOHIDManagerCopyDevices(HIDManager->HIDManager);
+ CFIndex deviceCount = CFSetGetCount(deviceSet);
+
+ // Allocate a block of memory and read the set into it.
+ IOHIDDeviceRef* devices = (IOHIDDeviceRef*) OVR_ALLOC(sizeof(IOHIDDeviceRef) * deviceCount);
+ CFSetGetValues(deviceSet, (const void **) devices);
+
+
+ // Iterate over devices.
+ IOHIDDeviceRef device = NULL;
+
+ for (CFIndex deviceIndex = 0; deviceIndex < deviceCount; deviceIndex++)
+ {
+ IOHIDDeviceRef tmpDevice = devices[deviceIndex];
+
+ if (!tmpDevice)
+ {
+ continue;
+ }
+
+ String path;
+ if (!HIDManager->getPath(tmpDevice, &path))
+ {
+ continue;
+ }
+
+ if (path == DevDesc.Path)
+ {
+ device = tmpDevice;
+ break;
+ }
+ }
+
+
+ OVR_FREE(devices);
+
+ if (!device)
+ {
+ CFRelease(deviceSet);
+ return false;
+ }
+
+ // Attempt to open device.
+ if (IOHIDDeviceOpen(device, kIOHIDOptionsTypeSeizeDevice)
+ != kIOReturnSuccess)
+ {
+ CFRelease(deviceSet);
+ return false;
+ }
+
+ // Retain the device before we release the set.
+ CFRetain(device);
+ CFRelease(deviceSet);
+
+
+ Device = device;
+
+
+ if (!initInfo())
+ {
+ IOHIDDeviceClose(Device, kIOHIDOptionsTypeSeizeDevice);
+ CFRelease(Device);
+ Device = NULL;
+ return false;
+ }
+
+
+ // Setup the Run Loop and callbacks.
+ IOHIDDeviceScheduleWithRunLoop(Device,
+ HIDManager->getRunLoop(),
+ kCFRunLoopDefaultMode);
+
+ IOHIDDeviceRegisterInputReportCallback(Device,
+ ReadBuffer,
+ ReadBufferSize,
+ staticHIDReportCallback,
+ this);
+
+ IOHIDDeviceRegisterRemovalCallback(Device,
+ staticDeviceRemovedCallback,
+ this);
+
+ return true;
+}
+
+void HIDDevice::HIDShutdown()
+{
+
+ HIDManager->DevManager->pThread->RemoveTicksNotifier(this);
+
+ if (Device != NULL) // Device may already have been closed if unplugged.
+ {
+ closeDevice(false);
+ }
+
+ IOObjectRelease(RepluggedNotification);
+ if (RepluggedNotificationPort)
+ IONotificationPortDestroy(RepluggedNotificationPort);
+
+ LogText("OVR::OSX::HIDDevice - HIDShutdown '%s'\n", DevDesc.Path.ToCStr());
+}
+
+bool HIDDevice::setupDevicePluggedInNotification()
+{
+
+ // Setup notification when devices are plugged in.
+ RepluggedNotificationPort = IONotificationPortCreate(kIOMasterPortDefault);
+
+ CFRunLoopSourceRef notificationRunLoopSource =
+ IONotificationPortGetRunLoopSource(RepluggedNotificationPort);
+
+ CFRunLoopAddSource(HIDManager->getRunLoop(),
+ notificationRunLoopSource,
+ kCFRunLoopDefaultMode);
+
+ CFMutableDictionaryRef matchingDict = IOServiceMatching(kIOUSBDeviceClassName);
+
+ // Have to specify vendorId and productId. Doesn't seem to accept additional
+ // things like serial number.
+ SInt32 vendorId = DevDesc.VendorId;
+ CFNumberRef numberRef = CFNumberCreate(kCFAllocatorDefault,
+ kCFNumberSInt32Type,
+ &vendorId);
+ CFDictionarySetValue(matchingDict, CFSTR(kUSBVendorID), numberRef);
+ CFRelease(numberRef);
+
+ SInt32 deviceProductId = DevDesc.ProductId;
+ numberRef = CFNumberCreate(kCFAllocatorDefault,
+ kCFNumberSInt32Type,
+ &deviceProductId);
+ CFDictionarySetValue(matchingDict, CFSTR(kUSBProductID), numberRef);
+ CFRelease(numberRef);
+
+ kern_return_t result =
+ IOServiceAddMatchingNotification(RepluggedNotificationPort,
+ kIOMatchedNotification,
+ matchingDict,
+ staticDeviceAddedCallback,
+ this,
+ &RepluggedNotification);
+
+ if (result != KERN_SUCCESS)
+ {
+ CFRelease(RepluggedNotificationPort);
+ RepluggedNotificationPort = 0;
+ return false;
+ }
+
+ // Iterate through to arm.
+ while (IOIteratorNext(RepluggedNotification))
+ {
+ }
+
+ return true;
+}
+
+void HIDDevice::closeDevice(bool wasUnplugged)
+{
+ OVR_ASSERT(Device != NULL);
+
+ if (!wasUnplugged)
+ {
+ // Clear the registered callbacks.
+ IOHIDDeviceRegisterInputReportCallback(Device,
+ ReadBuffer,
+ InputReportBufferLength,
+ NULL,
+ this);
+
+ IOHIDDeviceRegisterRemovalCallback(Device, NULL, this);
+
+ IOHIDDeviceUnscheduleFromRunLoop(Device,
+ HIDManager->getRunLoop(),
+ kCFRunLoopDefaultMode);
+ IOHIDDeviceClose(Device, kIOHIDOptionsTypeNone);
+ }
+
+ CFRelease(Device);
+ Device = NULL;
+
+ LogText("OVR::OSX::HIDDevice - HID Device Closed '%s'\n", DevDesc.Path.ToCStr());
+}
+
+void HIDDevice::staticHIDReportCallback(void* pContext,
+ IOReturn result,
+ void* pSender,
+ IOHIDReportType reportType,
+ uint32_t reportId,
+ uint8_t* pReport,
+ CFIndex reportLength)
+{
+ HIDDevice* pDevice = (HIDDevice*) pContext;
+ return pDevice->hidReportCallback(pReport, (UInt32)reportLength);
+}
+
+void HIDDevice::hidReportCallback(UByte* pData, UInt32 length)
+{
+
+ // We got data.
+ if (Handler)
+ {
+ Handler->OnInputReport(pData, length);
+ }
+}
+
+void HIDDevice::staticDeviceRemovedCallback(void* pContext, IOReturn result, void* pSender)
+{
+ HIDDevice* pDevice = (HIDDevice*) pContext;
+ pDevice->deviceRemovedCallback();
+}
+
+void HIDDevice::deviceRemovedCallback()
+{
+ Ptr<HIDDevice> _this(this); // prevent from release
+
+ Ptr<DeviceCreateDesc> existingHIDDev = HIDManager->DevManager->FindHIDDevice(DevDesc);
+ if (existingHIDDev && existingHIDDev->pDevice)
+ {
+ HIDManager->DevManager->CallOnDeviceRemoved(existingHIDDev);
+ }
+ closeDevice(true);
+}
+
+CFStringRef HIDDevice::generateRunLoopModeString(IOHIDDeviceRef device)
+{
+ const UInt32 safeBuffSize = 256;
+ char nameBuff[safeBuffSize];
+ OVR_sprintf(nameBuff, safeBuffSize, "%016lX", device);
+
+ return CFStringCreateWithCString(NULL, nameBuff, kCFStringEncodingASCII);
+}
+
+bool HIDDevice::SetFeatureReport(UByte* data, UInt32 length)
+{
+
+ if (!Device)
+ return false;
+
+ UByte reportID = data[0];
+
+ if (reportID == 0)
+ {
+ // Not using reports so remove from data packet.
+ data++;
+ length--;
+ }
+
+ IOReturn result = IOHIDDeviceSetReport( Device,
+ kIOHIDReportTypeFeature,
+ reportID,
+ data,
+ length);
+
+ return (result == kIOReturnSuccess);
+}
+
+bool HIDDevice::GetFeatureReport(UByte* data, UInt32 length)
+{
+ if (!Device)
+ return false;
+
+ CFIndex bufferLength = length;
+
+ // Report id is in first byte of the buffer.
+ IOReturn result = IOHIDDeviceGetReport(Device, kIOHIDReportTypeFeature, data[0], data, &bufferLength);
+
+ return (result == kIOReturnSuccess);
+}
+
+UInt64 HIDDevice::OnTicks(UInt64 ticksMks)
+{
+
+ if (Handler)
+ {
+ return Handler->OnTicks(ticksMks);
+ }
+
+ return DeviceManagerThread::Notifier::OnTicks(ticksMks);
+}
+
+HIDDeviceManager* HIDDeviceManager::CreateInternal(OSX::DeviceManager* devManager)
+{
+
+ if (!System::IsInitialized())
+ {
+ // Use custom message, since Log is not yet installed.
+ OVR_DEBUG_STATEMENT(Log::GetDefaultLog()->
+ LogMessage(Log_Debug, "HIDDeviceManager::Create failed - OVR::System not initialized"); );
+ return 0;
+ }
+
+ Ptr<OSX::HIDDeviceManager> manager = *new OSX::HIDDeviceManager(devManager);
+
+ if (manager)
+ {
+ if (manager->Initialize())
+ {
+ manager->AddRef();
+ }
+ else
+ {
+ manager.Clear();
+ }
+ }
+
+ return manager.GetPtr();
+}
+
+} // namespace OSX
+
+//-------------------------------------------------------------------------------------
+// ***** Creation
+
+// Creates a new HIDDeviceManager and initializes OVR.
+HIDDeviceManager* HIDDeviceManager::Create()
+{
+ OVR_ASSERT_LOG(false, ("Standalone mode not implemented yet."));
+
+ if (!System::IsInitialized())
+ {
+ // Use custom message, since Log is not yet installed.
+ OVR_DEBUG_STATEMENT(Log::GetDefaultLog()->
+ LogMessage(Log_Debug, "HIDDeviceManager::Create failed - OVR::System not initialized"); );
+ return 0;
+ }
+
+ Ptr<OSX::HIDDeviceManager> manager = *new OSX::HIDDeviceManager(NULL);
+
+ if (manager)
+ {
+ if (manager->Initialize())
+ {
+ manager->AddRef();
+ }
+ else
+ {
+ manager.Clear();
+ }
+ }
+
+ return manager.GetPtr();
+}
+
+} // namespace OVR
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