Sample Code

OSX Driver and Kext Samples/ HID_Dumper/ HID_Dumper/ HID_Dumper/ IOHIDManager/ IOHIDElement_.h/

//     File: IOHIDElement_.h
// Abstract: convieance functions for IOHIDElementGetProperty
//  Version: 2.0
// 
// Disclaimer: IMPORTANT:  This Apple software is supplied to you by Apple
// Inc. ("Apple") in consideration of your agreement to the following
// terms, and your use, installation, modification or redistribution of
// this Apple software constitutes acceptance of these terms.  If you do
// not agree with these terms, please do not use, install, modify or
// redistribute this Apple software.
// 
// 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
// "Apple Software"), to use, reproduce, modify and redistribute the Apple
// Software, with or without modifications, in source and/or binary forms;
// provided that if you redistribute the Apple Software in its entirety and
// without modifications, you must retain this notice and the following
// text and disclaimers in all such redistributions of the Apple Software.
// Neither the name, trademarks, service marks or logos of Apple Inc. may
// 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) 2013 Apple Inc. All Rights Reserved.
// 
// *****************************************************
#ifndef __IOHIDElement___
#define __IOHIDElement___

// *****************************************************
#pragma mark - includes & imports

#include <AvailabilityMacros.h>

#include "IOHIDLib_.h"
// *****************************************************
#if PRAGMA_ONCE
#pragma once
#endif // if PRAGMA_ONCE

#ifdef __cplusplus
extern "C" {
#endif // ifdef __cplusplus

#if PRAGMA_IMPORT
#pragma import on
#endif // if PRAGMA_IMPORT

#if PRAGMA_STRUCT_ALIGN
#pragma options align=mac68k
#elif PRAGMA_STRUCT_PACKPUSH
#pragma pack(push, 2)
#elif PRAGMA_STRUCT_PACK
#pragma pack(2)
#endif // if PRAGMA_STRUCT_ALIGN

// *****************************************************
#pragma mark - typedef's, struct's, enums, defines, etc.
// -----------------------------------------------------

// *****************************************************
#pragma mark - exported globals
// -----------------------------------------------------

// *****************************************************
#pragma mark - exported function prototypes
// -----------------------------------------------------

// *************************************************************************
//
// HIDIsValidElement(inIOHIDElementRef)
//
// Purpose:	validate this element
//
// Inputs:	inIOHIDElementRef	- the element
//
// Returns:	Boolean			- TRUE if this is a valid element ref
//
extern Boolean HIDIsValidElement(IOHIDElementRef inIOHIDElementRef);

// *************************************************************************
//
// IOHIDElement_GetValue(inElementRef, inIOHIDValueScaleType)
//
// Purpose:	returns the current value for an element(polling)
//
// Notes:	will return 0 on error conditions which should be accounted for by application
//
// Inputs:	inElementRef	- the element
// inIOHIDValueScaleType	- scale type (calibrated or physical)
//
// Returns:	double		- current value for element
//
extern double IOHIDElement_GetValue(IOHIDElementRef inElementRef, IOHIDValueScaleType inIOHIDValueScaleType);

// *************************************************************************
//
// IOHIDElement_GetCalibrationMin(inElementRef)
//
// Purpose:	get the minimum bounds for a calibrated value for this element
//
// Inputs:  inElementRef - the IOHIDElementRef for this element
//
// Returns:	double - the minimum Calibration value for this element
//

extern double IOHIDElement_GetCalibrationMin(IOHIDElementRef inElementRef);

// *************************************************************************
//
// IOHIDElement_SetCalibrationMin(inElementRef, inValue)
//
// Purpose:	set the minimum bounds for a calibrated value for this element
//
// Inputs:  inElementRef	- the IOHIDElementRef for this element
// inValue			- the minimum bounds for a calibrated value for this element
//
// Returns:	nothing
//

extern void IOHIDElement_SetCalibrationMin(IOHIDElementRef inElementRef, double inValue);

// *************************************************************************
//
// IOHIDElement_GetCalibrationMax(inElementRef)
//
// Purpose:	get the maximum bounds for a calibrated value for this element
//
// Inputs:  inElementRef - the IOHIDElementRef for this element
//
// Returns:	double - the maximum Calibration value for this element
//

extern double IOHIDElement_GetCalibrationMax(IOHIDElementRef inElementRef);

// *************************************************************************
//
// IOHIDElement_SetCalibrationMax(inElementRef, inValue)
//
// Purpose:	set the maximum bounds for a calibrated value for this element
//
// Inputs:  inElementRef	- the IOHIDElementRef for this element
// inValue			- the maximum Calibration value for this element
//
// Returns:	nothing
//

extern void IOHIDElement_SetCalibrationMax(IOHIDElementRef inElementRef, double inValue);

// *************************************************************************
//
// IOHIDElement_GetCalibrationSaturationMin(inElementRef)
//
// Purpose:	get the mininum tolerance to be used when calibrating a logical element value
//
// Inputs:  inElementRef - the IOHIDElementRef for this element
//
// Returns:	double - the maximum Calibration value for this element
//

extern double IOHIDElement_GetCalibrationSaturationMin(IOHIDElementRef inElementRef);

// *************************************************************************
//
// IOHIDElement_SetCalibrationSaturationMin(inElementRef, inValue)
//
// Purpose:	set the mininum tolerance to be used when calibrating a logical element value
//
// Inputs:  inElementRef	- the IOHIDElementRef for this element
// inValue			- the maximum Calibration value for this element
//
// Returns:	nothing
//

extern void IOHIDElement_SetCalibrationSaturationMin(IOHIDElementRef inElementRef, double inValue);

// *************************************************************************
//
// IOHIDElement_GetCalibrationSaturationMax(inElementRef)
//
// Purpose:	get the maximum tolerance to be used when calibrating a logical element value
//
// Inputs:  inElementRef - the IOHIDElementRef for this element
//
// Returns:	double - the maximum Calibration value for this element
//

extern double IOHIDElement_GetCalibrationSaturationMax(IOHIDElementRef inElementRef);

// *************************************************************************
//
// IOHIDElement_SetCalibrationSaturationMax(inElementRef, inValue)
//
// Purpose:	set the maximum tolerance to be used when calibrating a logical element value
//
// Inputs:  inElementRef	- the IOHIDElementRef for this element
// inValue			- the maximum Calibration value for this element
//
// Returns:	nothing
//

extern void IOHIDElement_SetCalibrationSaturationMax(IOHIDElementRef inElementRef, double inValue);

// *************************************************************************
//
// IOHIDElement_GetCalibrationDeadZoneMin(inElementRef)
//
// Purpose:	get the minimum bounds near the midpoint of a logical value in which the value is ignored
//
// Inputs:  inElementRef - the IOHIDElementRef for this element
//
// Returns:	double - the maximum Calibration value for this element
//

extern double IOHIDElement_GetCalibrationDeadZoneMin(IOHIDElementRef inElementRef);

// *************************************************************************
//
// IOHIDElement_SetCalibrationDeadZoneMin(inElementRef, inValue)
//
// Purpose:	set the minimum bounds near the midpoint of a logical value in which the value is ignored
//
// Inputs:  inElementRef	- the IOHIDElementRef for this element
// inValue			- the maximum Calibration value for this element
//
// Returns:	nothing
//

extern void IOHIDElement_SetCalibrationDeadZoneMin(IOHIDElementRef inElementRef, double inValue);

// *************************************************************************
//
// IOHIDElement_GetCalibrationDeadZoneMax(inElementRef)
//
// Purpose:	get the maximum bounds near the midpoint of a logical value in which the value is ignored
//
// Inputs:  inElementRef - the IOHIDElementRef for this element
//
// Returns:	double - the maximum Calibration value for this element
//

extern double IOHIDElement_GetCalibrationDeadZoneMax(IOHIDElementRef inElementRef);

// *************************************************************************
//
// IOHIDElement_SetCalibrationDeadZoneMax(inElementRef, inValue)
//
// Purpose:	set the maximum bounds near the midpoint of a logical value in which the value is ignored
//
// Inputs:  inElementRef	- the IOHIDElementRef for this element
// inValue			- the maximum Calibration value for this element
//
// Returns:	nothing
//

extern void IOHIDElement_SetCalibrationDeadZoneMax(IOHIDElementRef inElementRef, double inValue);

// *************************************************************************
//
// IOHIDElement_GetCalibrationGranularity(inElementRef)
//
// Purpose:	get the level of detail returned for a calibrated element value
//
// Inputs:  inElementRef - the IOHIDElementRef for this element
//
// Returns:	double_t - the maximum Calibration value for this element
//

extern double_t IOHIDElement_GetCalibrationGranularity(IOHIDElementRef inElementRef);

// *************************************************************************
//
// IOHIDElement_SetCalibrationGranularity(inElementRef, inValue)
//
// Purpose:	set the level of detail returned for a calibrated element value
//
// Inputs:  inElementRef	- the IOHIDElementRef for this element
// inValue			- the the level of detail for this element
//
// Returns:	nothing
//

extern void IOHIDElement_SetCalibrationGranularity(IOHIDElementRef inElementRef, double_t inValue);

	extern Boolean IOHIDElement_GetLongProperty(IOHIDElementRef inElementRef, CFStringRef inKey, uint32_t * outValue);
extern void IOHIDElement_SetLongProperty(IOHIDElementRef inElementRef, CFStringRef inKey, uint32_t inValue);
extern Boolean IOHIDElement_GetDoubleProperty(IOHIDElementRef inElementRef, CFStringRef inKey, double * outValue);
extern void IOHIDElement_SetDoubleProperty(IOHIDElementRef inElementRef, CFStringRef inKey, double inValue);

// *****************************************************
#if PRAGMA_STRUCT_ALIGN
#pragma options align=reset
#elif PRAGMA_STRUCT_PACKPUSH
#pragma pack(pop)
#elif PRAGMA_STRUCT_PACK
#pragma pack()
#endif // if PRAGMA_STRUCT_ALIGN

#ifdef PRAGMA_IMPORT_OFF
#pragma import off
#elif PRAGMA_IMPORT
#pragma import reset
#endif // ifdef PRAGMA_IMPORT_OFF

#ifdef __cplusplus
}
#endif // ifdef __cplusplus

#endif  // __IOHIDElement___ //

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