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Diffstat (limited to 'LibOVR/Src/OVR_OSX_HIDDevice.h')
| -rw-r--r-- | LibOVR/Src/OVR_OSX_HIDDevice.h | 149 |
1 files changed, 149 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..b9b3fc5 --- /dev/null +++ b/LibOVR/Src/OVR_OSX_HIDDevice.h @@ -0,0 +1,149 @@ +/************************************************************************************
+Filename : OVR_OSX_HIDDevice.h
+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.
+
+*************************************************************************************/
+
+#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
+ UInt64 OnTicks(UInt64 ticksMks);
+
+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
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