HID Utilities/IOHIDManager/IOHIDDevice_.c

//     File: IOHIDDevice_.c
// Abstract: convieance functions for IOHIDDeviceGetProperty
//  Version: 5.3
// 
// Disclaimer: IMPORTANT:  This Apple software is supplied to you by Apple
// Inc. ("Apple") in consideration of your agreement to the following
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// not agree with these terms, please do not use, install, modify or
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// 
// In consideration of your agreement to abide by the following terms, and
// subject to these terms, Apple grants you a personal, non-exclusive
// license, under Apple's copyrights in this original Apple software (the
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// be used to endorse or promote products derived from the Apple Software
// without specific prior written permission from Apple.  Except as
// expressly stated in this notice, no other rights or licenses, express or
// implied, are granted by Apple herein, including but not limited to any
// patent rights that may be infringed by your derivative works or by other
// works in which the Apple Software may be incorporated.
// 
// The Apple Software is provided by Apple on an "AS IS" basis.  APPLE
// MAKES NO WARRANTIES, EXPRESS OR IMPLIED, INCLUDING WITHOUT LIMITATION
// THE IMPLIED WARRANTIES OF NON-INFRINGEMENT, MERCHANTABILITY AND FITNESS
// FOR A PARTICULAR PURPOSE, REGARDING THE APPLE SOFTWARE OR ITS USE AND
// OPERATION ALONE OR IN COMBINATION WITH YOUR PRODUCTS.
// 
// IN NO EVENT SHALL APPLE BE LIABLE FOR ANY SPECIAL, INDIRECT, INCIDENTAL
// OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
// SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
// INTERRUPTION) ARISING IN ANY WAY OUT OF THE USE, REPRODUCTION,
// MODIFICATION AND/OR DISTRIBUTION OF THE APPLE SOFTWARE, HOWEVER CAUSED
// AND WHETHER UNDER THEORY OF CONTRACT, TORT (INCLUDING NEGLIGENCE),
// STRICT LIABILITY OR OTHERWISE, EVEN IF APPLE HAS BEEN ADVISED OF THE
// POSSIBILITY OF SUCH DAMAGE.
// 
// Copyright (C) 2014 Apple Inc. All Rights Reserved.
// 
// *****************************************************
#pragma mark - includes & imports
// -----------------------------------------------------
 
#include "IOHIDDevice_.h"
 
// *****************************************************
#pragma mark - typedef's, struct's, enums, defines, etc.
// -----------------------------------------------------
 
#define kIOHIDDevice_TransactionKey    "DeviceTransactionRef"
#define kIOHIDDevice_QueueKey          "DeviceQueueRef"
 
// *****************************************************
#pragma mark - local (static) function prototypes
// -----------------------------------------------------
 
static Boolean IOHIDDevice_GetUInt32Property(IOHIDDeviceRef inIOHIDDeviceRef,
                                             CFStringRef    inKey,
                                             uint32_t *     outValue);
// static void IOHIDDevice_SetUInt32Property(IOHIDDeviceRef inIOHIDDeviceRef, CFStringRef inKey, uint32_t inValue);
 
static Boolean IOHIDDevice_GetPtrProperty(IOHIDDeviceRef    inIOHIDDeviceRef,
                                          CFStringRef       inKey,
                                          void **           outValue);
static void IOHIDDevice_SetPtrProperty(IOHIDDeviceRef   inIOHIDDeviceRef,
                                       CFStringRef      inKey,
                                       void *           inValue);
 
// *****************************************************
#pragma mark - exported globals
// -----------------------------------------------------
 
// *****************************************************
#pragma mark - local (static) globals
// -----------------------------------------------------
 
// *****************************************************
#pragma mark - exported function implementations
// -----------------------------------------------------
 
// *************************************************************************
//
// HIDIsValidDevice(inIOHIDDeviceRef)
//
// Purpose: validate this device
//
// Inputs:  inIOHIDDeviceRef - the IDHIDDeviceRef for this device
//
// Returns: Boolean         - true if we find the device in our(internal) device list
//
 
Boolean HIDIsValidDevice(IOHIDDeviceRef inIOHIDDeviceRef) {
    Boolean result = false; // assume failure (pessimist!)
    if (inIOHIDDeviceRef) {
        if (CFGetTypeID(inIOHIDDeviceRef) == IOHIDDeviceGetTypeID()) {
            result = true;
        }
    }
 
    return (result);
} // HIDIsValidDevice
 
// *************************************************************************
//
// IOHIDDevice_GetTransport(inIOHIDDeviceRef)
//
// Purpose: get the Transport CFString for this device
//
// Inputs:  inIOHIDDeviceRef - the IDHIDDeviceRef for this device
//
// Returns: CFStringRef - the Transport for this device
//
 
CFStringRef IOHIDDevice_GetTransport(IOHIDDeviceRef inIOHIDDeviceRef) {
    assert(IOHIDDeviceGetTypeID() == CFGetTypeID(inIOHIDDeviceRef));
    return (IOHIDDeviceGetProperty(inIOHIDDeviceRef, CFSTR(kIOHIDTransportKey)));
}
 
// *************************************************************************
//
// IOHIDDevice_GetVendorID(inIOHIDDeviceRef)
//
// Purpose: get the vendor ID for this device
//
// Inputs:  inIOHIDDeviceRef - the IDHIDDeviceRef for this device
//
// Returns: uint32_t - the vendor ID for this device
//
 
uint32_t IOHIDDevice_GetVendorID(IOHIDDeviceRef inIOHIDDeviceRef) {
    uint32_t result = 0;
 
    (void) IOHIDDevice_GetUInt32Property(inIOHIDDeviceRef, CFSTR(kIOHIDVendorIDKey), &result);
    return (result);
} // IOHIDDevice_GetVendorID
 
// *************************************************************************
//
// IOHIDDevice_GetVendorIDSource(inIOHIDDeviceRef)
//
// Purpose: get the VendorIDSource for this device
//
// Inputs:  inIOHIDDeviceRef - the IDHIDDeviceRef for this device
//
// Returns: uint32_t - the VendorIDSource for this device
//
 
uint32_t IOHIDDevice_GetVendorIDSource(IOHIDDeviceRef inIOHIDDeviceRef) {
    uint32_t result = 0;
 
    (void) IOHIDDevice_GetUInt32Property(inIOHIDDeviceRef, CFSTR(kIOHIDVendorIDSourceKey), &result);
    return (result);
} // IOHIDDevice_GetVendorIDSource
 
// *************************************************************************
//
// IOHIDDevice_GetProductID(inIOHIDDeviceRef)
//
// Purpose: get the product ID for this device
//
// Inputs:  inIOHIDDeviceRef - the IDHIDDeviceRef for this device
//
// Returns: uint32_t - the product ID for this device
//
 
uint32_t IOHIDDevice_GetProductID(IOHIDDeviceRef inIOHIDDeviceRef) {
    uint32_t result = 0;
 
    (void) IOHIDDevice_GetUInt32Property(inIOHIDDeviceRef, CFSTR(kIOHIDProductIDKey), &result);
    return (result);
} // IOHIDDevice_GetProductID
 
// *************************************************************************
//
// IOHIDDevice_GetVersionNumber(inIOHIDDeviceRef)
//
// Purpose: get the VersionNumber CFString for this device
//
// Inputs:  inIOHIDDeviceRef - the IDHIDDeviceRef for this device
//
// Returns: uint32_t - the VersionNumber for this device
//
 
uint32_t IOHIDDevice_GetVersionNumber(IOHIDDeviceRef inIOHIDDeviceRef) {
    uint32_t result = 0;
 
    (void) IOHIDDevice_GetUInt32Property(inIOHIDDeviceRef, CFSTR(kIOHIDVersionNumberKey), &result);
    return (result);
} // IOHIDDevice_GetVersionNumber
 
// *************************************************************************
//
// IOHIDDevice_GetManufacturer(inIOHIDDeviceRef)
//
// Purpose: get the Manufacturer CFString for this device
//
// Inputs:  inIOHIDDeviceRef - the IDHIDDeviceRef for this device
//
// Returns: CFStringRef - the Manufacturer for this device
//
 
CFStringRef IOHIDDevice_GetManufacturer(IOHIDDeviceRef inIOHIDDeviceRef) {
    assert(IOHIDDeviceGetTypeID() == CFGetTypeID(inIOHIDDeviceRef));
    return (IOHIDDeviceGetProperty(inIOHIDDeviceRef, CFSTR(kIOHIDManufacturerKey)));
} // IOHIDDevice_GetManufacturer
 
// *************************************************************************
//
// IOHIDDevice_GetProduct(inIOHIDDeviceRef)
//
// Purpose: get the Product CFString for this device
//
// Inputs:  inIOHIDDeviceRef - the IDHIDDeviceRef for this device
//
// Returns: CFStringRef - the Product for this device
//
 
CFStringRef IOHIDDevice_GetProduct(IOHIDDeviceRef inIOHIDDeviceRef) {
    assert(IOHIDDeviceGetTypeID() == CFGetTypeID(inIOHIDDeviceRef));
    return (IOHIDDeviceGetProperty(inIOHIDDeviceRef, CFSTR(kIOHIDProductKey)));
} // IOHIDDevice_GetProduct
 
// *************************************************************************
//
// IOHIDDevice_GetSerialNumber(inIOHIDDeviceRef)
//
// Purpose: get the SerialNumber CFString for this device
//
// Inputs:  inIOHIDDeviceRef - the IDHIDDeviceRef for this device
//
// Returns: CFStringRef - the SerialNumber for this device
//
 
CFStringRef IOHIDDevice_GetSerialNumber(IOHIDDeviceRef inIOHIDDeviceRef) {
    assert(IOHIDDeviceGetTypeID() == CFGetTypeID(inIOHIDDeviceRef));
    return (IOHIDDeviceGetProperty(inIOHIDDeviceRef, CFSTR(kIOHIDSerialNumberKey)));
}
 
// *************************************************************************
//
// IOHIDDevice_GetCountryCode(inIOHIDDeviceRef)
//
// Purpose: get the CountryCode CFString for this device
//
// Inputs:  inIOHIDDeviceRef - the IDHIDDeviceRef for this device
//
// Returns: uint32_t - the CountryCode for this device
//
 
uint32_t IOHIDDevice_GetCountryCode(IOHIDDeviceRef inIOHIDDeviceRef) {
    uint32_t result = 0;
 
    (void) IOHIDDevice_GetUInt32Property(inIOHIDDeviceRef, CFSTR(kIOHIDCountryCodeKey), &result);
    return (result);
} // IOHIDDevice_GetCountryCode
 
// *************************************************************************
//
// IOHIDDevice_GetLocationID(inIOHIDDeviceRef)
//
// Purpose: get the location ID for this device
//
// Inputs:  inIOHIDDeviceRef - the IDHIDDeviceRef for this device
//
// Returns: uint32_t - the location ID for this device
//
 
uint32_t IOHIDDevice_GetLocationID(IOHIDDeviceRef inIOHIDDeviceRef) {
    uint32_t result = 0;
 
    (void) IOHIDDevice_GetUInt32Property(inIOHIDDeviceRef, CFSTR(kIOHIDLocationIDKey), &result);
    return (result);
} // IOHIDDevice_GetLocationID
 
// *************************************************************************
//
// IOHIDDevice_GetUsage(inIOHIDDeviceRef)
//
// Purpose: get the usage for this device
//
// Inputs:  inIOHIDDeviceRef - the IDHIDDeviceRef for this device
//
// Returns: uint32_t - the usage for this device
//
 
uint32_t IOHIDDevice_GetUsage(IOHIDDeviceRef inIOHIDDeviceRef) {
    uint32_t result = 0;
 
    (void) IOHIDDevice_GetUInt32Property(inIOHIDDeviceRef, CFSTR(kIOHIDDeviceUsageKey), &result);
    return (result);
} // IOHIDDevice_GetUsage
 
// *************************************************************************
//
// IOHIDDevice_GetUsagePage(inIOHIDDeviceRef)
//
// Purpose: get the usage page for this device
//
// Inputs:  inIOHIDDeviceRef - the IDHIDDeviceRef for this device
//
// Returns: uint32_t - the usage page for this device
//
 
uint32_t IOHIDDevice_GetUsagePage(IOHIDDeviceRef inIOHIDDeviceRef) {
    uint32_t result = 0;
 
    (void) IOHIDDevice_GetUInt32Property(inIOHIDDeviceRef, CFSTR(kIOHIDDeviceUsagePageKey), &result);
    return (result);
} // IOHIDDevice_GetUsagePage
 
// *************************************************************************
//
// IOHIDDevice_GetUsagePairs(inIOHIDDeviceRef)
//
// Purpose: get the UsagePairs CFString for this device
//
// Inputs:  inIOHIDDeviceRef - the IDHIDDeviceRef for this device
//
// Returns: CFArrayRef - the UsagePairs for this device
//
 
CFArrayRef IOHIDDevice_GetUsagePairs(IOHIDDeviceRef inIOHIDDeviceRef) {
    assert(IOHIDDeviceGetTypeID() == CFGetTypeID(inIOHIDDeviceRef));
    return (IOHIDDeviceGetProperty(inIOHIDDeviceRef, CFSTR(kIOHIDDeviceUsagePairsKey)));
}
 
// *************************************************************************
//
// IOHIDDevice_GetPrimaryUsage(inIOHIDDeviceRef)
//
// Purpose: get the PrimaryUsage CFString for this device
//
// Inputs:  inIOHIDDeviceRef - the IDHIDDeviceRef for this device
//
// Returns: uint32_t - the PrimaryUsage for this device
//
 
uint32_t IOHIDDevice_GetPrimaryUsage(IOHIDDeviceRef inIOHIDDeviceRef) {
    uint32_t result = 0;
 
    (void) IOHIDDevice_GetUInt32Property(inIOHIDDeviceRef, CFSTR(kIOHIDPrimaryUsageKey), &result);
    return (result);
} // IOHIDDevice_GetPrimaryUsage
 
// *************************************************************************
//
// IOHIDDevice_GetPrimaryUsagePage(inIOHIDDeviceRef)
//
// Purpose: get the PrimaryUsagePage CFString for this device
//
// Inputs:  inIOHIDDeviceRef - the IDHIDDeviceRef for this device
//
// Returns: uint32_t - the PrimaryUsagePage for this device
//
 
uint32_t IOHIDDevice_GetPrimaryUsagePage(IOHIDDeviceRef inIOHIDDeviceRef) {
    uint32_t result = 0;
 
    (void) IOHIDDevice_GetUInt32Property(inIOHIDDeviceRef, CFSTR(kIOHIDPrimaryUsagePageKey), &result);
    return (result);
} // IOHIDDevice_GetPrimaryUsagePage
 
// *************************************************************************
//
// IOHIDDevice_GetMaxInputReportSize(inIOHIDDeviceRef)
//
// Purpose: get the MaxInputReportSize CFString for this device
//
// Inputs:  inIOHIDDeviceRef - the IDHIDDeviceRef for this device
//
// Returns: uint32_t  - the MaxInputReportSize for this device
//
 
uint32_t IOHIDDevice_GetMaxInputReportSize(IOHIDDeviceRef inIOHIDDeviceRef) {
    uint32_t result = 0;
 
    (void) IOHIDDevice_GetUInt32Property(inIOHIDDeviceRef, CFSTR(kIOHIDMaxInputReportSizeKey), &result);
    return (result);
} // IOHIDDevice_GetMaxInputReportSize
 
// *************************************************************************
//
// IOHIDDevice_GetMaxOutputReportSize(inIOHIDDeviceRef)
//
// Purpose: get the MaxOutputReportSize for this device
//
// Inputs:  inIOHIDDeviceRef - the IDHIDDeviceRef for this device
//
// Returns: uint32_t - the MaxOutput for this device
//
 
uint32_t IOHIDDevice_GetMaxOutputReportSize(IOHIDDeviceRef inIOHIDDeviceRef) {
    uint32_t result = 0;
 
    (void) IOHIDDevice_GetUInt32Property(inIOHIDDeviceRef, CFSTR(kIOHIDMaxOutputReportSizeKey), &result);
    return (result);
} // IOHIDDevice_GetMaxOutputReportSize
 
// *************************************************************************
//
// IOHIDDevice_GetMaxFeatureReportSize(inIOHIDDeviceRef)
//
// Purpose: get the MaxFeatureReportSize for this device
//
// Inputs:  inIOHIDDeviceRef - the IDHIDDeviceRef for this device
//
// Returns: uint32_t - the MaxFeatureReportSize for this device
//
 
uint32_t IOHIDDevice_GetMaxFeatureReportSize(IOHIDDeviceRef inIOHIDDeviceRef) {
    uint32_t result = 0;
 
    (void) IOHIDDevice_GetUInt32Property(inIOHIDDeviceRef, CFSTR(kIOHIDMaxFeatureReportSizeKey), &result);
    return (result);
} // IOHIDDevice_GetMaxFeatureReportSize
 
// *************************************************************************
//
// IOHIDDevice_GetReportInterval(inIOHIDDeviceRef)
//
// Purpose: get the ReportInterval for this device
//
// Inputs:  inIOHIDDeviceRef - the IDHIDDeviceRef for this device
//
// Returns: uint32_t - the ReportInterval for this device
//
#ifndef kIOHIDReportIntervalKey
#define kIOHIDReportIntervalKey    "ReportInterval"
#endif // ifndef kIOHIDReportIntervalKey
uint32_t IOHIDDevice_GetReportInterval(IOHIDDeviceRef inIOHIDDeviceRef) {
    uint32_t result = 0;
 
    (void) IOHIDDevice_GetUInt32Property(inIOHIDDeviceRef, CFSTR(kIOHIDReportIntervalKey), &result);
    return (result);
} // IOHIDDevice_GetReportInterval
 
// *************************************************************************
//
// IOHIDDevice_GetQueue(inIOHIDDeviceRef)
//
// Purpose: get the Queue for this device
//
// Inputs:  inIOHIDDeviceRef - the IDHIDDeviceRef for this device
//
// Returns: IOHIDQueueRef - the Queue for this device
//
 
IOHIDQueueRef IOHIDDevice_GetQueue(IOHIDDeviceRef inIOHIDDeviceRef) {
    IOHIDQueueRef result = 0;
 
    (void) IOHIDDevice_GetPtrProperty(inIOHIDDeviceRef, CFSTR(kIOHIDDevice_QueueKey), (void *) &result);
    if (result) {
        assert(IOHIDQueueGetTypeID() == CFGetTypeID(result));
    }
 
    return (result);
} // IOHIDDevice_GetQueue
 
// *************************************************************************
//
// IOHIDDevice_SetQueue(inIOHIDDeviceRef, inQueueRef)
//
// Purpose: Set the Queue for this device
//
// Inputs:  inIOHIDDeviceRef - the IDHIDDeviceRef for this device
// inQueueRef - the Queue reference
//
// Returns: nothing
//
 
void IOHIDDevice_SetQueue(IOHIDDeviceRef inIOHIDDeviceRef, IOHIDQueueRef inQueueRef) {
    IOHIDDevice_SetPtrProperty(inIOHIDDeviceRef, CFSTR(kIOHIDDevice_QueueKey), inQueueRef);
}
 
// *************************************************************************
//
// IOHIDDevice_GetTransaction(inIOHIDDeviceRef)
//
// Purpose: get the Transaction for this device
//
// Inputs:  inIOHIDDeviceRef - the IDHIDDeviceRef for this device
//
// Returns: IOHIDTransactionRef - the Transaction for this device
//
 
IOHIDTransactionRef IOHIDDevice_GetTransaction(IOHIDDeviceRef inIOHIDDeviceRef) {
    IOHIDTransactionRef result = 0;
 
    (void) IOHIDDevice_GetPtrProperty(inIOHIDDeviceRef, CFSTR(kIOHIDDevice_TransactionKey), (void *) &result);
    return (result);
} // IOHIDDevice_GetTransaction
 
// *************************************************************************
//
// IOHIDDevice_SetTransaction(inIOHIDDeviceRef, inTransactionRef)
//
// Purpose: Set the Transaction for this device
//
// Inputs:  inIOHIDDeviceRef - the IDHIDDeviceRef for this device
// inTransactionRef - the Transaction reference
//
// Returns: nothing
//
 
void IOHIDDevice_SetTransaction(IOHIDDeviceRef inIOHIDDeviceRef, IOHIDTransactionRef inTransactionRef) {
    IOHIDDevice_SetPtrProperty(inIOHIDDeviceRef, CFSTR(kIOHIDDevice_TransactionKey), inTransactionRef);
}
 
// *****************************************************
#pragma mark - local (static) function implementations
// -----------------------------------------------------
 
// *************************************************************************
//
// IOHIDDevice_GetUInt32Property(inIOHIDDeviceRef, inKey, outValue)
//
// Purpose: convieance function to return a uint32_t property of a device
//
// Inputs:  inIOHIDDeviceRef    - the device
//          inKey               - CFString for the
//          outValue            - address where to restore the element
//
 
static Boolean IOHIDDevice_GetUInt32Property(IOHIDDeviceRef inIOHIDDeviceRef, CFStringRef inKey, uint32_t *outValue) {
    Boolean result = false;
    if (inIOHIDDeviceRef) {
        assert(IOHIDDeviceGetTypeID() == CFGetTypeID(inIOHIDDeviceRef));
 
        CFTypeRef tCFTypeRef = IOHIDDeviceGetProperty(inIOHIDDeviceRef, inKey);
        if (tCFTypeRef) {
            // if this is a number
            if (CFNumberGetTypeID() == CFGetTypeID(tCFTypeRef)) {
                // get it's value
                result = CFNumberGetValue((CFNumberRef) tCFTypeRef, kCFNumberSInt32Type, outValue);
            }
        }
    }
 
    return (result);
} // IOHIDDevice_GetUInt32Property
 
// *************************************************************************
//
// IOHIDDevice_SetUInt32Property(inIOHIDDeviceRef, inKey, inValue)
//
// Purpose: convieance function to set a long property of an Device
//
// Inputs:  inIOHIDDeviceRef    - the Device
// inKey            - CFString for the key
// inValue          - the value to set it to
// Returns: nothing
//
#if 0 // unused
static void IOHIDDevice_SetUInt32Property(IOHIDDeviceRef inIOHIDDeviceRef, CFStringRef inKey, uint32_t inValue) {
    CFNumberRef tCFNumberRef = CFNumberCreate(kCFAllocatorDefault, kCFNumberSInt32Type, &inValue);
    if (tCFNumberRef) {
        IOHIDDeviceSetProperty(inIOHIDDeviceRef, inKey, tCFNumberRef);
        CFRelease(tCFNumberRef);
    }
} // IOHIDDevice_SetUInt32Property
#endif
// *************************************************************************
//
// IOHIDDevice_GetPtrProperty(inIOHIDDeviceRef, inKey, outValue)
//
// Purpose: convieance function to return a pointer property of a device
//
// Inputs:  inIOHIDDeviceRef        - the device
//          inKey           - CFString for the
//          outValue        - address where to restore the element
// Returns: the action cookie
//          outValue        - the device
//
 
static Boolean IOHIDDevice_GetPtrProperty(IOHIDDeviceRef inIOHIDDeviceRef, CFStringRef inKey, void **outValue) {
    Boolean result = false;
    if (inIOHIDDeviceRef) {
        assert(IOHIDDeviceGetTypeID() == CFGetTypeID(inIOHIDDeviceRef));
 
        CFTypeRef tCFTypeRef = IOHIDDeviceGetProperty(inIOHIDDeviceRef, inKey);
        if (tCFTypeRef) {
            // if this is a number
            if (CFNumberGetTypeID() == CFGetTypeID(tCFTypeRef)) {
                // get it's value
#ifdef __LP64__
                result = CFNumberGetValue((CFNumberRef) tCFTypeRef, kCFNumberSInt64Type, outValue);
#else
                result = CFNumberGetValue((CFNumberRef) tCFTypeRef, kCFNumberSInt32Type, outValue);
#endif // ifdef __LP64__
            }
        }
    }
 
    return (result);
} // IOHIDDevice_GetPtrProperty
 
// *************************************************************************
//
// IOHIDDevice_SetPtrProperty(inIOHIDDeviceRef, inKey, inValue)
//
// Purpose: convieance function to set a long property of an Device
//
// Inputs:  inIOHIDDeviceRef    - the Device
//          inKey               - CFString for the key
//          inValue             - the value to set it to
// Returns: nothing
//
 
static void IOHIDDevice_SetPtrProperty(IOHIDDeviceRef inIOHIDDeviceRef, CFStringRef inKey, void *inValue) {
#ifdef __LP64__
    CFNumberRef tCFNumberRef = CFNumberCreate(kCFAllocatorDefault, kCFNumberSInt64Type, &inValue);
#else
    CFNumberRef tCFNumberRef = CFNumberCreate(kCFAllocatorDefault, kCFNumberSInt32Type, &inValue);
#endif // ifdef __LP64__
    if (tCFNumberRef) {
        IOHIDDeviceSetProperty(inIOHIDDeviceRef, inKey, tCFNumberRef);
        CFRelease(tCFNumberRef);
    }
} // IOHIDDevice_SetPtrProperty
 
// *****************************************************


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