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Diffstat (limited to 'LibOVR/Src/OVR_OSX_HIDDevice.h')
| -rw-r--r-- | LibOVR/Src/OVR_OSX_HIDDevice.h | 160 |
1 files changed, 160 insertions, 0 deletions
diff --git a/LibOVR/Src/OVR_OSX_HIDDevice.h b/LibOVR/Src/OVR_OSX_HIDDevice.h new file mode 100644 index 0000000..c6140cb --- /dev/null +++ b/LibOVR/Src/OVR_OSX_HIDDevice.h @@ -0,0 +1,160 @@ +/************************************************************************************ +Filename : OVR_OSX_HIDDevice.h +Content : OSX HID device implementation. +Created : February 26, 2013 +Authors : Lee Cooper + +Copyright : Copyright 2014 Oculus VR, Inc. All Rights reserved. + +Licensed under the Oculus VR Rift SDK License Version 3.1 (the "License"); +you may not use the Oculus VR Rift SDK except in compliance with the License, +which is provided at the time of installation or download, or which +otherwise accompanies this software in either electronic or hard copy form. + +You may obtain a copy of the License at + +http://www.oculusvr.com/licenses/LICENSE-3.1 + +Unless required by applicable law or agreed to in writing, the Oculus VR SDK +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. + +*************************************************************************************/ + +#ifndef OVR_OSX_HIDDevice_h +#define OVR_OSX_HIDDevice_h + +#include "OVR_HIDDevice.h" + +#include "OVR_OSX_DeviceManager.h" + +#include <IOKit/IOKitLib.h> + +namespace OVR { namespace OSX { + +class HIDDeviceManager; + +//------------------------------------------------------------------------------------- +// ***** OSX HIDDevice + +class HIDDevice : public OVR::HIDDevice, public DeviceManagerThread::Notifier +{ +private: + friend class HIDDeviceManager; + +public: + HIDDevice(HIDDeviceManager* manager); + + // 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(HIDDeviceManager* manager, IOHIDDeviceRef device); + + virtual ~HIDDevice(); + + bool HIDInitialize(const String& path); + void HIDShutdown(); + + virtual bool SetFeatureReport(UByte* data, UInt32 length); + virtual bool GetFeatureReport(UByte* data, UInt32 length); + + bool Write(UByte* data, UInt32 length); + + bool Read(UByte* pData, UInt32 length, UInt32 timeoutMilliS); + bool ReadBlocking(UByte* pData, UInt32 length); + + + // DeviceManagerThread::Notifier + double OnTicks(double tickSeconds); + +private: + bool initInfo(); + bool openDevice(); + void closeDevice(bool wasUnplugged); + bool setupDevicePluggedInNotification(); + CFStringRef generateRunLoopModeString(IOHIDDeviceRef device); + + static void staticHIDReportCallback(void* pContext, + IOReturn result, + void* pSender, + IOHIDReportType reportType, + uint32_t reportId, + uint8_t* pReport, + CFIndex reportLength); + void hidReportCallback(UByte* pData, UInt32 length); + + static void staticDeviceRemovedCallback(void* pContext, + IOReturn result, + void* pSender); + void deviceRemovedCallback(); + + static void staticDeviceAddedCallback(void* pContext, + io_iterator_t iterator); + void deviceAddedCallback(io_iterator_t iterator); + + bool InMinimalMode; + HIDDeviceManager* HIDManager; + IOHIDDeviceRef Device; + HIDDeviceDesc DevDesc; + + enum { ReadBufferSize = 96 }; + UByte ReadBuffer[ReadBufferSize]; + + UInt16 InputReportBufferLength; + UInt16 OutputReportBufferLength; + UInt16 FeatureReportBufferLength; + + IONotificationPortRef RepluggedNotificationPort; + io_iterator_t RepluggedNotification; +}; + + +//------------------------------------------------------------------------------------- +// ***** OSX HIDDeviceManager + +class HIDDeviceManager : public OVR::HIDDeviceManager +{ + friend class HIDDevice; + +public: + HIDDeviceManager(OSX::DeviceManager* Manager); + virtual ~HIDDeviceManager(); + + virtual bool Initialize(); + virtual void Shutdown(); + + virtual bool Enumerate(HIDEnumerateVisitor* enumVisitor); + virtual OVR::HIDDevice* Open(const String& path); + + static HIDDeviceManager* CreateInternal(DeviceManager* manager); + +private: + CFRunLoopRef getRunLoop(); + bool initializeManager(); + bool initVendorProductVersion(IOHIDDeviceRef device, HIDDeviceDesc* pDevDesc); + bool initUsage(IOHIDDeviceRef device, HIDDeviceDesc* pDevDesc); + bool initStrings(IOHIDDeviceRef device, HIDDeviceDesc* pDevDesc); + bool initSerialNumber(IOHIDDeviceRef device, HIDDeviceDesc* pDevDesc); + bool getVendorId(IOHIDDeviceRef device, UInt16* pResult); + bool getProductId(IOHIDDeviceRef device, UInt16* pResult); + bool getLocationId(IOHIDDeviceRef device, SInt32* pResult); + bool getSerialNumberString(IOHIDDeviceRef device, String* pResult); + bool getPath(IOHIDDeviceRef device, String* pPath); + bool getIntProperty(IOHIDDeviceRef device, CFStringRef key, int32_t* pResult); + bool getStringProperty(IOHIDDeviceRef device, CFStringRef propertyName, String* pResult); + bool getFullDesc(IOHIDDeviceRef device, HIDDeviceDesc* desc); + + static void staticDeviceMatchingCallback(void *inContext, + IOReturn inResult, + void *inSender, + IOHIDDeviceRef inIOHIDDeviceRef); + + DeviceManager* DevManager; + + IOHIDManagerRef HIDManager; +}; + +}} // namespace OVR::OSX + +#endif // OVR_OSX_HIDDevice_h |