IOHIDManager/IOHIDElement_.h

//      File: IOHIDElement_.h
//  Abstract: convieance functions for IOHIDElementGetProperty
//   Version: 2.0
//  
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//*****************************************************
#ifndef __IOHIDElement___
#define __IOHIDElement___
 
//*****************************************************
#pragma mark - includes & imports
 
#include <AvailabilityMacros.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
    //-----------------------------------------------------
    
    //*************************************************************************
    //
    // 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: 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 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);
    
    //*************************************************************************
    //
    // 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_GetLongProperty(IOHIDElementRef inElementRef, CFStringRef inKey, long *outValue);
    extern void IOHIDElement_SetLongProperty(IOHIDElementRef inElementRef, CFStringRef inKey, long 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___ //