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<pre class="sourcecodebox">//
// File: IOHIDElement_.h of HID Utilities
//
// Created: 9/21/06
//
// Contains: Definition of the interfaces to <IOHIDElement_.c>
//
// Copyright: Copyright (c) 2007 Apple Inc., All Rights Reserved
//
// 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.
//
#ifndef __IOHIDElement___
#define __IOHIDElement___
//*****************************************************
#pragma mark - includes & imports
#include <AvailabilityMacros.h>
#include <Carbon/Carbon.h>
#include "IOHIDLib_.h"
//*****************************************************
#if PRAGMA_ONCE
#pragma once
#endif
#ifdef __cplusplus
extern "C" {
#endif
#if PRAGMA_IMPORT
#pragma import on
#endif
#if PRAGMA_STRUCT_ALIGN
#pragma options align=mac68k
#elif PRAGMA_STRUCT_PACKPUSH
#pragma pack(push, 2)
#elif PRAGMA_STRUCT_PACK
#pragma pack(2)
#endif
//*****************************************************
#pragma mark - typedef's, struct's, enums, defines, etc.
//-----------------------------------------------------
//*****************************************************
#pragma mark - exported globals
//-----------------------------------------------------
//*****************************************************
#pragma mark - exported function prototypes
//-----------------------------------------------------
//*************************************************************************
//
// IOHIDElement_GetReportedMin( inElementRef )
//
// Purpose: get the minimum reported value for this element
//
// Inputs: inElementRef - the IOHIDElementRef for this element
//
// Returns: CFIndex - the minimum reported value for this element
//
extern CFIndex IOHIDElement_GetReportedMin( IOHIDElementRef inElementRef );
//*************************************************************************
//
// IOHIDElement_GetReportedMax( inElementRef )
//
// Purpose: get the maximum reported value for this element
//
// Inputs: inElementRef - the IOHIDElementRef for this element
//
// Returns: CFIndex - the maximum reported value for this element
//
extern CFIndex IOHIDElement_GetReportedMax( IOHIDElementRef inElementRef );
//*************************************************************************
//
// 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: CFIndex - the minimum Calibration value for this element
//
extern CFIndex 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, CFIndex inValue );
//*************************************************************************
//
// IOHIDElement_GetCalibrationMax( inElementRef )
//
// Purpose: get the maximum bounds for a calibrated value for this element
//
// Inputs: inElementRef - the IOHIDElementRef for this element
//
// Returns: CFIndex - the maximum Calibration value for this element
//
extern CFIndex 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, CFIndex 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: CFIndex - the maximum Calibration value for this element
//
extern CFIndex 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, CFIndex 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: CFIndex - the maximum Calibration value for this element
//
extern CFIndex 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, CFIndex 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: CFIndex - the maximum Calibration value for this element
//
extern CFIndex 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, CFIndex 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: CFIndex - the maximum Calibration value for this element
//
extern CFIndex 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, CFIndex inValue );
//*************************************************************************
//
// IOHIDElement_GetCalibrationGranularity( inElementRef )
//
// Purpose: get the scale or level of detail returned in a calibrated element value
//
// Inputs: inElementRef - the IOHIDElementRef for this element
//
// Returns: CFIndex - the maximum Calibration value for this element
//
extern CFIndex IOHIDElement_GetCalibrationGranularity( IOHIDElementRef inElementRef );
//*************************************************************************
//
// IOHIDElement_SetCalibrationGranularity( inElementRef, inValue )
//
// Purpose: set the scale or level of detail returned in a calibrated element value
//
// Inputs: inElementRef - the IOHIDElementRef for this element
// inValue - the maximum Calibration value for this element
//
// Returns: nothing
//
extern void IOHIDElement_SetCalibrationGranularity( IOHIDElementRef inElementRef, CFIndex inValue );
//*****************************************************
#if PRAGMA_STRUCT_ALIGN
#pragma options align=reset
#elif PRAGMA_STRUCT_PACKPUSH
#pragma pack(pop)
#elif PRAGMA_STRUCT_PACK
#pragma pack()
#endif
#ifdef PRAGMA_IMPORT_OFF
#pragma import off
#elif PRAGMA_IMPORT
#pragma import reset
#endif
#ifdef __cplusplus
}
#endif
#endif // __IOHIDElement___ //
</pre>
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