//     File: IOHIDElement_.h

// Abstract: convieance functions for IOHIDElementGetProperty

//  Version: 5.3

// 

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// without specific prior written permission from Apple.  Except as

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// 

// 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

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// Copyright (C) 2014 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(inIOHIDElementRef, 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:  inIOHIDElementRef   - the element

// inIOHIDValueScaleType    - scale type (calibrated or physical)

//

// Returns: double      - current value for element

//

extern double IOHIDElement_GetValue(IOHIDElementRef     inIOHIDElementRef,

                                    IOHIDValueScaleType inIOHIDValueScaleType);

// *************************************************************************

//

// IOHIDElement_GetCalibrationMin(inIOHIDElementRef)

//

// Purpose: get the minimum bounds for a calibrated value for this element

//

// Inputs:  inIOHIDElementRef - the IOHIDElementRef for this element

//

// Returns: double - the minimum Calibration value for this element

//

extern double IOHIDElement_GetCalibrationMin(IOHIDElementRef inIOHIDElementRef);

// *************************************************************************

//

// IOHIDElement_SetCalibrationMin(inIOHIDElementRef, inValue)

//

// Purpose: set the minimum bounds for a calibrated value for this element

//

// Inputs:  inIOHIDElementRef   - the IOHIDElementRef for this element

// inValue          - the minimum bounds for a calibrated value for this element

//

// Returns: nothing

//

extern void IOHIDElement_SetCalibrationMin(IOHIDElementRef  inIOHIDElementRef,

                                           double           inValue);

// *************************************************************************

//

// IOHIDElement_GetCalibrationMax(inIOHIDElementRef)

//

// Purpose: get the maximum bounds for a calibrated value for this element

//

// Inputs:  inIOHIDElementRef - the IOHIDElementRef for this element

//

// Returns: double - the maximum Calibration value for this element

//

extern double IOHIDElement_GetCalibrationMax(IOHIDElementRef inIOHIDElementRef);

// *************************************************************************

//

// IOHIDElement_SetCalibrationMax(inIOHIDElementRef, inValue)

//

// Purpose: set the maximum bounds for a calibrated value for this element

//

// Inputs:  inIOHIDElementRef   - the IOHIDElementRef for this element

// inValue          - the maximum Calibration value for this element

//

// Returns: nothing

//

extern void IOHIDElement_SetCalibrationMax(IOHIDElementRef  inIOHIDElementRef,

                                           double           inValue);

// *************************************************************************

//

// IOHIDElement_GetCalibrationSaturationMin(inIOHIDElementRef)

//

// Purpose: get the mininum tolerance to be used when calibrating a logical element value

//

// Inputs:  inIOHIDElementRef - the IOHIDElementRef for this element

//

// Returns: double - the maximum Calibration value for this element

//

extern double IOHIDElement_GetCalibrationSaturationMin(IOHIDElementRef inIOHIDElementRef);

// *************************************************************************

//

// IOHIDElement_SetCalibrationSaturationMin(inIOHIDElementRef, inValue)

//

// Purpose: set the mininum tolerance to be used when calibrating a logical element value

//

// Inputs:  inIOHIDElementRef   - the IOHIDElementRef for this element

// inValue          - the maximum Calibration value for this element

//

// Returns: nothing

//

extern void IOHIDElement_SetCalibrationSaturationMin(IOHIDElementRef    inIOHIDElementRef,

                                                     double             inValue);

// *************************************************************************

//

// IOHIDElement_GetCalibrationSaturationMax(inIOHIDElementRef)

//

// Purpose: get the maximum tolerance to be used when calibrating a logical element value

//

// Inputs:  inIOHIDElementRef - the IOHIDElementRef for this element

//

// Returns: double - the maximum Calibration value for this element

//

extern double IOHIDElement_GetCalibrationSaturationMax(IOHIDElementRef inIOHIDElementRef);

// *************************************************************************

//

// IOHIDElement_SetCalibrationSaturationMax(inIOHIDElementRef, inValue)

//

// Purpose: set the maximum tolerance to be used when calibrating a logical element value

//

// Inputs:  inIOHIDElementRef   - the IOHIDElementRef for this element

// inValue          - the maximum Calibration value for this element

//

// Returns: nothing

//

extern void IOHIDElement_SetCalibrationSaturationMax(IOHIDElementRef    inIOHIDElementRef,

                                                     double             inValue);

// *************************************************************************

//

// IOHIDElement_GetCalibrationDeadZoneMin(inIOHIDElementRef)

//

// Purpose: get the minimum bounds near the midpoint of a logical value in which the value is ignored

//

// Inputs:  inIOHIDElementRef - the IOHIDElementRef for this element

//

// Returns: double - the maximum Calibration value for this element

//

extern double IOHIDElement_GetCalibrationDeadZoneMin(IOHIDElementRef inIOHIDElementRef);

// *************************************************************************

//

// IOHIDElement_SetCalibrationDeadZoneMin(inIOHIDElementRef, inValue)

//

// Purpose: set the minimum bounds near the midpoint of a logical value in which the value is ignored

//

// Inputs:  inIOHIDElementRef   - the IOHIDElementRef for this element

// inValue          - the maximum Calibration value for this element

//

// Returns: nothing

//

extern void IOHIDElement_SetCalibrationDeadZoneMin(IOHIDElementRef  inIOHIDElementRef,

                                                   double           inValue);

// *************************************************************************

//

// IOHIDElement_GetCalibrationDeadZoneMax(inIOHIDElementRef)

//

// Purpose: get the maximum bounds near the midpoint of a logical value in which the value is ignored

//

// Inputs:  inIOHIDElementRef - the IOHIDElementRef for this element

//

// Returns: double - the maximum Calibration value for this element

//

extern double IOHIDElement_GetCalibrationDeadZoneMax(IOHIDElementRef inIOHIDElementRef);

// *************************************************************************

//

// IOHIDElement_SetCalibrationDeadZoneMax(inIOHIDElementRef, inValue)

//

// Purpose: set the maximum bounds near the midpoint of a logical value in which the value is ignored

//

// Inputs:  inIOHIDElementRef   - the IOHIDElementRef for this element

// inValue          - the maximum Calibration value for this element

//

// Returns: nothing

//

extern void IOHIDElement_SetCalibrationDeadZoneMax(IOHIDElementRef  inIOHIDElementRef,

                                                   double           inValue);

// *************************************************************************

//

// IOHIDElement_GetCalibrationGranularity(inIOHIDElementRef)

//

// Purpose: get the level of detail returned for a calibrated element value

//

// Inputs:  inIOHIDElementRef - the IOHIDElementRef for this element

//

// Returns: double_t - the maximum Calibration value for this element

//

extern double_t IOHIDElement_GetCalibrationGranularity(IOHIDElementRef inIOHIDElementRef);

// *************************************************************************

//

// IOHIDElement_SetCalibrationGranularity(inIOHIDElementRef, inValue)

//

// Purpose: set the level of detail returned for a calibrated element value

//

// Inputs:  inIOHIDElementRef   - the IOHIDElementRef for this element

// inValue          - the the level of detail for this element

//

// Returns: nothing

//

extern void IOHIDElement_SetCalibrationGranularity(IOHIDElementRef  inIOHIDElementRef,

                                                   double_t         inValue);

// *************************************************************************

//

// IOHIDElement_SetupCalibration( inElementRef )

//

// Purpose: set default values for the element calibration parameters

//

// Inputs:  inElementRef    - the IOHIDElementRef for this element

//

// Returns: nothing

//

extern void IOHIDElement_SetupCalibration(IOHIDElementRef inIOHIDElementRef);

extern Boolean IOHIDElement_GetUInt32Property(IOHIDElementRef   inIOHIDElementRef,

                                              CFStringRef       inKey,

                                              uint32_t *        outValue);

extern void IOHIDElement_SetUInt32Property(IOHIDElementRef  inIOHIDElementRef,

                                           CFStringRef      inKey,

                                           uint32_t         inValue);

extern Boolean IOHIDElement_GetDoubleProperty(IOHIDElementRef   inIOHIDElementRef,

                                              CFStringRef       inKey,

                                              double *          outValue);

extern void IOHIDElement_SetDoubleProperty(IOHIDElementRef  inIOHIDElementRef,

                                           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___ //