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annotate libovr/Src/osx/OVR_OSX_HIDDevice.h @ 1:e2f9e4603129

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added LibOVR and started a simple vr wrapper.
author John Tsiombikas <nuclear@member.fsf.org>
date Sat, 14 Sep 2013 16:14:59 +0300
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nuclear@1 1 /************************************************************************************
nuclear@1 2 Filename : OVR_OSX_HIDDevice.h
nuclear@1 3 Content : OSX HID device implementation.
nuclear@1 4 Created : February 26, 2013
nuclear@1 5 Authors : Lee Cooper
nuclear@1 6
nuclear@1 7 Copyright : Copyright 2013 Oculus VR, Inc. All Rights reserved.
nuclear@1 8
nuclear@1 9 Use of this software is subject to the terms of the Oculus license
nuclear@1 10 agreement provided at the time of installation or download, or which
nuclear@1 11 otherwise accompanies this software in either electronic or hard copy form.
nuclear@1 12
nuclear@1 13 *************************************************************************************/
nuclear@1 14
nuclear@1 15 #ifndef OVR_OSX_HIDDevice_h
nuclear@1 16 #define OVR_OSX_HIDDevice_h
nuclear@1 17
nuclear@1 18 #include "OVR_HIDDevice.h"
nuclear@1 19
nuclear@1 20 #include "OVR_OSX_DeviceManager.h"
nuclear@1 21
nuclear@1 22 #include <IOKit/IOKitLib.h>
nuclear@1 23
nuclear@1 24 namespace OVR { namespace OSX {
nuclear@1 25
nuclear@1 26 class HIDDeviceManager;
nuclear@1 27
nuclear@1 28 //-------------------------------------------------------------------------------------
nuclear@1 29 // ***** OSX HIDDevice
nuclear@1 30
nuclear@1 31 class HIDDevice : public OVR::HIDDevice, public DeviceManagerThread::Notifier
nuclear@1 32 {
nuclear@1 33 private:
nuclear@1 34 friend class HIDDeviceManager;
nuclear@1 35
nuclear@1 36 public:
nuclear@1 37 HIDDevice(HIDDeviceManager* manager);
nuclear@1 38
nuclear@1 39 // This is a minimal constructor used during enumeration for us to pass
nuclear@1 40 // a HIDDevice to the visit function (so that it can query feature reports).
nuclear@1 41 HIDDevice(HIDDeviceManager* manager, IOHIDDeviceRef device);
nuclear@1 42
nuclear@1 43 virtual ~HIDDevice();
nuclear@1 44
nuclear@1 45 bool HIDInitialize(const String& path);
nuclear@1 46 void HIDShutdown();
nuclear@1 47
nuclear@1 48 virtual bool SetFeatureReport(UByte* data, UInt32 length);
nuclear@1 49 virtual bool GetFeatureReport(UByte* data, UInt32 length);
nuclear@1 50
nuclear@1 51 bool Write(UByte* data, UInt32 length);
nuclear@1 52
nuclear@1 53 bool Read(UByte* pData, UInt32 length, UInt32 timeoutMilliS);
nuclear@1 54 bool ReadBlocking(UByte* pData, UInt32 length);
nuclear@1 55
nuclear@1 56
nuclear@1 57 // DeviceManagerThread::Notifier
nuclear@1 58 UInt64 OnTicks(UInt64 ticksMks);
nuclear@1 59
nuclear@1 60 private:
nuclear@1 61 bool initInfo();
nuclear@1 62 bool openDevice();
nuclear@1 63 void closeDevice(bool wasUnplugged);
nuclear@1 64 bool setupDevicePluggedInNotification();
nuclear@1 65 CFStringRef generateRunLoopModeString(IOHIDDeviceRef device);
nuclear@1 66
nuclear@1 67 static void staticHIDReportCallback(void* pContext,
nuclear@1 68 IOReturn result,
nuclear@1 69 void* pSender,
nuclear@1 70 IOHIDReportType reportType,
nuclear@1 71 uint32_t reportId,
nuclear@1 72 uint8_t* pReport,
nuclear@1 73 CFIndex reportLength);
nuclear@1 74 void hidReportCallback(UByte* pData, UInt32 length);
nuclear@1 75
nuclear@1 76 static void staticDeviceRemovedCallback(void* pContext,
nuclear@1 77 IOReturn result,
nuclear@1 78 void* pSender);
nuclear@1 79 void deviceRemovedCallback();
nuclear@1 80
nuclear@1 81 static void staticDeviceAddedCallback(void* pContext,
nuclear@1 82 io_iterator_t iterator);
nuclear@1 83 void deviceAddedCallback(io_iterator_t iterator);
nuclear@1 84
nuclear@1 85 bool InMinimalMode;
nuclear@1 86 HIDDeviceManager* HIDManager;
nuclear@1 87 IOHIDDeviceRef Device;
nuclear@1 88 HIDDeviceDesc DevDesc;
nuclear@1 89
nuclear@1 90 enum { ReadBufferSize = 96 };
nuclear@1 91 UByte ReadBuffer[ReadBufferSize];
nuclear@1 92
nuclear@1 93 UInt16 InputReportBufferLength;
nuclear@1 94 UInt16 OutputReportBufferLength;
nuclear@1 95 UInt16 FeatureReportBufferLength;
nuclear@1 96
nuclear@1 97 IONotificationPortRef RepluggedNotificationPort;
nuclear@1 98 io_iterator_t RepluggedNotification;
nuclear@1 99 };
nuclear@1 100
nuclear@1 101
nuclear@1 102 //-------------------------------------------------------------------------------------
nuclear@1 103 // ***** OSX HIDDeviceManager
nuclear@1 104
nuclear@1 105 class HIDDeviceManager : public OVR::HIDDeviceManager
nuclear@1 106 {
nuclear@1 107 friend class HIDDevice;
nuclear@1 108
nuclear@1 109 public:
nuclear@1 110 HIDDeviceManager(OSX::DeviceManager* Manager);
nuclear@1 111 virtual ~HIDDeviceManager();
nuclear@1 112
nuclear@1 113 virtual bool Initialize();
nuclear@1 114 virtual void Shutdown();
nuclear@1 115
nuclear@1 116 virtual bool Enumerate(HIDEnumerateVisitor* enumVisitor);
nuclear@1 117 virtual OVR::HIDDevice* Open(const String& path);
nuclear@1 118
nuclear@1 119 static HIDDeviceManager* CreateInternal(DeviceManager* manager);
nuclear@1 120
nuclear@1 121 private:
nuclear@1 122 CFRunLoopRef getRunLoop();
nuclear@1 123 bool initializeManager();
nuclear@1 124 bool initVendorProductVersion(IOHIDDeviceRef device, HIDDeviceDesc* pDevDesc);
nuclear@1 125 bool initUsage(IOHIDDeviceRef device, HIDDeviceDesc* pDevDesc);
nuclear@1 126 bool initStrings(IOHIDDeviceRef device, HIDDeviceDesc* pDevDesc);
nuclear@1 127 bool initSerialNumber(IOHIDDeviceRef device, HIDDeviceDesc* pDevDesc);
nuclear@1 128 bool getVendorId(IOHIDDeviceRef device, UInt16* pResult);
nuclear@1 129 bool getProductId(IOHIDDeviceRef device, UInt16* pResult);
nuclear@1 130 bool getLocationId(IOHIDDeviceRef device, SInt32* pResult);
nuclear@1 131 bool getSerialNumberString(IOHIDDeviceRef device, String* pResult);
nuclear@1 132 bool getPath(IOHIDDeviceRef device, String* pPath);
nuclear@1 133 bool getIntProperty(IOHIDDeviceRef device, CFStringRef key, int32_t* pResult);
nuclear@1 134 bool getStringProperty(IOHIDDeviceRef device, CFStringRef propertyName, String* pResult);
nuclear@1 135 bool getFullDesc(IOHIDDeviceRef device, HIDDeviceDesc* desc);
nuclear@1 136
nuclear@1 137 static void staticDeviceMatchingCallback(void *inContext,
nuclear@1 138 IOReturn inResult,
nuclear@1 139 void *inSender,
nuclear@1 140 IOHIDDeviceRef inIOHIDDeviceRef);
nuclear@1 141
nuclear@1 142 DeviceManager* DevManager;
nuclear@1 143
nuclear@1 144 IOHIDManagerRef HIDManager;
nuclear@1 145 };
nuclear@1 146
nuclear@1 147 }} // namespace OVR::OSX
nuclear@1 148
nuclear@1 149 #endif // OVR_OSX_HIDDevice_h