/* * hidpi.h * * Public Interface for HID parsing library. * * This file is part of the w32api package. * * Contributors: * Created by Casper S. Hornstrup * * THIS SOFTWARE IS NOT COPYRIGHTED * * This source code is offered for use in the public domain. You may * use, modify or distribute it freely. * * This code is distributed in the hope that it will be useful but * WITHOUT ANY WARRANTY. ALL WARRANTIES, EXPRESS OR IMPLIED ARE HEREBY * DISCLAIMED. This includes but is not limited to warranties of * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. * */ #ifndef __HIDPI_H__ #define __HIDPI_H__ #include "hidusage.h" #ifdef __cplusplus extern "C" { #endif #if defined(_HIDPI_) #define HIDAPI #else #define HIDAPI DECLSPEC_IMPORT #endif typedef PUCHAR PHIDP_REPORT_DESCRIPTOR; typedef struct _HIDP_PREPARSED_DATA * PHIDP_PREPARSED_DATA; typedef struct _HIDP_UNKNOWN_TOKEN { UCHAR Token; UCHAR Reserved[3]; ULONG BitField; } HIDP_UNKNOWN_TOKEN, *PHIDP_UNKNOWN_TOKEN; typedef enum _HIDP_KEYBOARD_DIRECTION { HidP_Keyboard_Break, HidP_Keyboard_Make } HIDP_KEYBOARD_DIRECTION; typedef struct _HIDP_KEYBOARD_MODIFIER_STATE { _ANONYMOUS_UNION union { _ANONYMOUS_STRUCT struct { ULONG LeftControl : 1; ULONG LeftShift : 1; ULONG LeftAlt : 1; ULONG LeftGUI : 1; ULONG RightControl : 1; ULONG RightShift : 1; ULONG RightAlt : 1; ULONG RigthGUI : 1; ULONG CapsLock : 1; ULONG ScollLock : 1; ULONG NumLock : 1; ULONG Reserved : 21; } DUMMYSTRUCTNAME; ULONG ul; } DUMMYUNIONNAME; } HIDP_KEYBOARD_MODIFIER_STATE, *PHIDP_KEYBOARD_MODIFIER_STATE; typedef BOOLEAN (NTAPI *PHIDP_INSERT_SCANCODES)( _In_opt_ PVOID Context, _In_reads_bytes_(Length) PCHAR NewScanCodes, _In_ ULONG Length); typedef struct _USAGE_AND_PAGE { USAGE Usage; USAGE UsagePage; } USAGE_AND_PAGE, *PUSAGE_AND_PAGE; typedef struct _HIDD_ATTRIBUTES { ULONG Size; USHORT VendorID; USHORT ProductID; USHORT VersionNumber; } HIDD_ATTRIBUTES, *PHIDD_ATTRIBUTES; typedef struct _HIDD_CONFIGURATION { PVOID cookie; ULONG size; ULONG RingBufferSize; } HIDD_CONFIGURATION, *PHIDD_CONFIGURATION; _Must_inspect_result_ HIDAPI NTSTATUS NTAPI HidP_TranslateUsageAndPagesToI8042ScanCodes( _In_reads_(UsageListLength) PUSAGE_AND_PAGE ChangedUsageList, _In_ ULONG UsageListLength, _In_ HIDP_KEYBOARD_DIRECTION KeyAction, _Inout_ PHIDP_KEYBOARD_MODIFIER_STATE ModifierState, _In_ PHIDP_INSERT_SCANCODES InsertCodesProcedure, _In_opt_ PVOID InsertCodesContext); _Must_inspect_result_ HIDAPI NTSTATUS NTAPI HidP_TranslateUsagesToI8042ScanCodes( _In_reads_(UsageListLength) PUSAGE ChangedUsageList, _In_ ULONG UsageListLength, _In_ HIDP_KEYBOARD_DIRECTION KeyAction, _Inout_ PHIDP_KEYBOARD_MODIFIER_STATE ModifierState, _In_ PHIDP_INSERT_SCANCODES InsertCodesProcedure, _In_opt_ PVOID InsertCodesContext); typedef struct _HIDP_BUTTON_CAPS { USAGE UsagePage; UCHAR ReportID; BOOLEAN IsAlias; USHORT BitField; USHORT LinkCollection; USAGE LinkUsage; USAGE LinkUsagePage; BOOLEAN IsRange; BOOLEAN IsStringRange; BOOLEAN IsDesignatorRange; BOOLEAN IsAbsolute; ULONG Reserved[10]; _ANONYMOUS_UNION union { struct { USAGE UsageMin, UsageMax; USHORT StringMin, StringMax; USHORT DesignatorMin, DesignatorMax; USHORT DataIndexMin, DataIndexMax; } Range; struct { USAGE Usage, Reserved1; USHORT StringIndex, Reserved2; USHORT DesignatorIndex, Reserved3; USHORT DataIndex, Reserved4; } NotRange; } DUMMYUNIONNAME; } HIDP_BUTTON_CAPS, *PHIDP_BUTTON_CAPS; typedef struct _HIDP_CAPS { USAGE Usage; USAGE UsagePage; USHORT InputReportByteLength; USHORT OutputReportByteLength; USHORT FeatureReportByteLength; USHORT Reserved[17]; USHORT NumberLinkCollectionNodes; USHORT NumberInputButtonCaps; USHORT NumberInputValueCaps; USHORT NumberInputDataIndices; USHORT NumberOutputButtonCaps; USHORT NumberOutputValueCaps; USHORT NumberOutputDataIndices; USHORT NumberFeatureButtonCaps; USHORT NumberFeatureValueCaps; USHORT NumberFeatureDataIndices; } HIDP_CAPS, *PHIDP_CAPS; typedef struct _HIDP_DATA { USHORT DataIndex; USHORT Reserved; _ANONYMOUS_UNION union { ULONG RawValue; BOOLEAN On; } DUMMYUNIONNAME; } HIDP_DATA, *PHIDP_DATA; typedef struct _HIDP_EXTENDED_ATTRIBUTES { UCHAR NumGlobalUnknowns; UCHAR Reserved[3]; PHIDP_UNKNOWN_TOKEN GlobalUnknowns; ULONG Data[1]; } HIDP_EXTENDED_ATTRIBUTES, *PHIDP_EXTENDED_ATTRIBUTES; #define HIDP_LINK_COLLECTION_ROOT ((USHORT) -1) #define HIDP_LINK_COLLECTION_UNSPECIFIED ((USHORT) 0) typedef struct _HIDP_LINK_COLLECTION_NODE { USAGE LinkUsage; USAGE LinkUsagePage; USHORT Parent; USHORT NumberOfChildren; USHORT NextSibling; USHORT FirstChild; ULONG CollectionType: 8; ULONG IsAlias: 1; ULONG Reserved: 23; PVOID UserContext; } HIDP_LINK_COLLECTION_NODE, *PHIDP_LINK_COLLECTION_NODE; typedef struct _HIDP_VALUE_CAPS { USAGE UsagePage; UCHAR ReportID; BOOLEAN IsAlias; USHORT BitField; USHORT LinkCollection; USAGE LinkUsage; USAGE LinkUsagePage; BOOLEAN IsRange; BOOLEAN IsStringRange; BOOLEAN IsDesignatorRange; BOOLEAN IsAbsolute; BOOLEAN HasNull; UCHAR Reserved; USHORT BitSize; USHORT ReportCount; USHORT Reserved2[5]; ULONG UnitsExp; ULONG Units; LONG LogicalMin, LogicalMax; LONG PhysicalMin, PhysicalMax; _ANONYMOUS_UNION union { struct { USAGE UsageMin, UsageMax; USHORT StringMin, StringMax; USHORT DesignatorMin, DesignatorMax; USHORT DataIndexMin, DataIndexMax; } Range; struct { USAGE Usage, Reserved1; USHORT StringIndex, Reserved2; USHORT DesignatorIndex, Reserved3; USHORT DataIndex, Reserved4; } NotRange; } DUMMYUNIONNAME; } HIDP_VALUE_CAPS, *PHIDP_VALUE_CAPS; typedef enum _HIDP_REPORT_TYPE { HidP_Input, HidP_Output, HidP_Feature } HIDP_REPORT_TYPE; #define FACILITY_HID_ERROR_CODE 0x11 #define HIDP_ERROR_CODES(SEV, CODE) \ ((NTSTATUS) (((SEV) << 28) | (FACILITY_HID_ERROR_CODE << 16) | (CODE))) #define HIDP_STATUS_SUCCESS (HIDP_ERROR_CODES(0x0, 0)) #define HIDP_STATUS_NULL (HIDP_ERROR_CODES(0x8, 1)) #define HIDP_STATUS_INVALID_PREPARSED_DATA (HIDP_ERROR_CODES(0xC, 1)) #define HIDP_STATUS_INVALID_REPORT_TYPE (HIDP_ERROR_CODES(0xC, 2)) #define HIDP_STATUS_INVALID_REPORT_LENGTH (HIDP_ERROR_CODES(0xC, 3)) #define HIDP_STATUS_USAGE_NOT_FOUND (HIDP_ERROR_CODES(0xC, 4)) #define HIDP_STATUS_VALUE_OUT_OF_RANGE (HIDP_ERROR_CODES(0xC, 5)) #define HIDP_STATUS_BAD_LOG_PHY_VALUES (HIDP_ERROR_CODES(0xC, 6)) #define HIDP_STATUS_BUFFER_TOO_SMALL (HIDP_ERROR_CODES(0xC, 7)) #define HIDP_STATUS_INTERNAL_ERROR (HIDP_ERROR_CODES(0xC, 8)) #define HIDP_STATUS_I8042_TRANS_UNKNOWN (HIDP_ERROR_CODES(0xC, 9)) #define HIDP_STATUS_INCOMPATIBLE_REPORT_ID (HIDP_ERROR_CODES(0xC, 0xA)) #define HIDP_STATUS_NOT_VALUE_ARRAY (HIDP_ERROR_CODES(0xC, 0xB)) #define HIDP_STATUS_IS_VALUE_ARRAY (HIDP_ERROR_CODES(0xC, 0xC)) #define HIDP_STATUS_DATA_INDEX_NOT_FOUND (HIDP_ERROR_CODES(0xC, 0xD)) #define HIDP_STATUS_DATA_INDEX_OUT_OF_RANGE (HIDP_ERROR_CODES(0xC, 0xE)) #define HIDP_STATUS_BUTTON_NOT_PRESSED (HIDP_ERROR_CODES(0xC, 0xF)) #define HIDP_STATUS_REPORT_DOES_NOT_EXIST (HIDP_ERROR_CODES(0xC, 0x10)) #define HIDP_STATUS_NOT_IMPLEMENTED (HIDP_ERROR_CODES(0xC, 0x20)) #define HIDP_STATUS_I8242_TRANS_UNKNOWN HIDP_STATUS_I8042_TRANS_UNKNOWN #if !defined(_HIDPI_NO_FUNCTION_MACROS_) /* * NTSTATUS * HidP_GetButtonCaps( * IN HIDP_REPORT_TYPE ReportType, * OUT PHIDP_BUTTON_CAPS ButtonCaps, * IN OUT PULONG ButtonCapsLength, * IN PHIDP_PREPARSED_DATA PreparsedData); */ #define HidP_GetButtonCaps(_Type_, _Caps_, _Len_, _Data_) \ HidP_GetSpecificButtonCaps(_Type_, 0, 0, 0, _Caps_, _Len_, _Data_) /* * NTSTATUS * HidP_GetButtons( * IN HIDP_REPORT_TYPE ReportType, * IN USAGE UsagePage, * IN USHORT LinkCollection, * OUT USAGE *UsageList, * IN OUT ULONG *UsageLength, * IN PHIDP_PREPARSED_DATA PreparsedData, * IN PCHAR Report, * IN ULONG ReportLength); */ #define HidP_GetButtons(Rty, UPa, LCo, ULi, ULe, Ppd, Rep, RLe) \ HidP_GetUsages(Rty, UPa, LCo, ULi, ULe, Ppd, Rep, RLe) #define HidP_GetButtonListLength(RTy, UPa, Ppd) \ HidP_GetUsageListLength(Rty, UPa, Ppd) /* * NTSTATUS * HidP_GetButtonsEx( * IN HIDP_REPORT_TYPE ReportType, * IN USHORT LinkCollection, * OUT PUSAGE_AND_PAGE ButtonList, * IN OUT ULONG *UsageLength, * IN PHIDP_PREPARSED_DATA PreparsedData, * IN PCHAR Report, * IN ULONG ReportLength); */ #define HidP_GetButtonsEx(RT, LC, BL, UL, PD, R, RL) \ HidP_GetUsagesEx(RT, LC, BL, UL, PD, R, RL) #endif /* _HIDPI_NO_FUNCTION_MACROS_ */ _Must_inspect_result_ _IRQL_requires_max_(PASSIVE_LEVEL) HIDAPI NTSTATUS NTAPI HidP_GetCaps( _In_ PHIDP_PREPARSED_DATA PreparsedData, _Out_ PHIDP_CAPS Capabilities); _Must_inspect_result_ _IRQL_requires_max_(DISPATCH_LEVEL) HIDAPI NTSTATUS NTAPI HidP_GetData( _In_ HIDP_REPORT_TYPE ReportType, _Out_writes_to_(*DataLength, *DataLength) PHIDP_DATA DataList, _Inout_ PULONG DataLength, _In_ PHIDP_PREPARSED_DATA PreparsedData, _Out_writes_bytes_(ReportLength) PCHAR Report, _In_ ULONG ReportLength); _Must_inspect_result_ _IRQL_requires_max_(DISPATCH_LEVEL) HIDAPI NTSTATUS NTAPI HidP_GetExtendedAttributes( _In_ HIDP_REPORT_TYPE ReportType, _In_ USHORT DataIndex, _In_ PHIDP_PREPARSED_DATA PreparsedData, _Out_writes_to_(*LengthAttributes, *LengthAttributes) PHIDP_EXTENDED_ATTRIBUTES Attributes, _Inout_ OUT PULONG LengthAttributes); _Must_inspect_result_ _IRQL_requires_max_(DISPATCH_LEVEL) HIDAPI NTSTATUS NTAPI HidP_GetLinkCollectionNodes( _Out_ PHIDP_LINK_COLLECTION_NODE LinkCollectionNodes, _Inout_ PULONG LinkCollectionNodesLength, _In_ PHIDP_PREPARSED_DATA PreparsedData); _Must_inspect_result_ HIDAPI NTSTATUS NTAPI HidP_GetScaledUsageValue( _In_ HIDP_REPORT_TYPE ReportType, _In_ USAGE UsagePage, _In_ USHORT LinkCollection, _In_ USAGE Usage, _Out_ PLONG UsageValue, _In_ PHIDP_PREPARSED_DATA PreparsedData, _In_reads_bytes_(ReportLength) PCHAR Report, _In_ ULONG ReportLength); _Must_inspect_result_ _IRQL_requires_max_(PASSIVE_LEVEL) HIDAPI NTSTATUS NTAPI HidP_GetSpecificButtonCaps( _In_ HIDP_REPORT_TYPE ReportType, _In_ USAGE UsagePage, _In_ USHORT LinkCollection, _In_ USAGE Usage, _Out_ PHIDP_BUTTON_CAPS ButtonCaps, _Inout_ PUSHORT ButtonCapsLength, _In_ PHIDP_PREPARSED_DATA PreparsedData); _Must_inspect_result_ _IRQL_requires_max_(DISPATCH_LEVEL) HIDAPI NTSTATUS NTAPI HidP_GetSpecificValueCaps( _In_ HIDP_REPORT_TYPE ReportType, _In_ USAGE UsagePage, _In_ USHORT LinkCollection, _In_ USAGE Usage, _Out_ PHIDP_VALUE_CAPS ValueCaps, _Inout_ PUSHORT ValueCapsLength, _In_ PHIDP_PREPARSED_DATA PreparsedData); _Must_inspect_result_ HIDAPI NTSTATUS NTAPI HidP_GetUsages( _In_ HIDP_REPORT_TYPE ReportType, _In_ USAGE UsagePage, _In_ USHORT LinkCollection, _Out_writes_to_(*UsageLength, *UsageLength) USAGE *UsageList, _Inout_ ULONG *UsageLength, _In_ PHIDP_PREPARSED_DATA PreparsedData, _Out_writes_bytes_(ReportLength) PCHAR Report, _In_ ULONG ReportLength); _Must_inspect_result_ _IRQL_requires_max_(DISPATCH_LEVEL) HIDAPI NTSTATUS NTAPI HidP_GetUsagesEx( _In_ HIDP_REPORT_TYPE ReportType, _In_ USHORT LinkCollection, _Inout_updates_to_(*UsageLength, *UsageLength) PUSAGE_AND_PAGE ButtonList, _Inout_ ULONG *UsageLength, _In_ PHIDP_PREPARSED_DATA PreparsedData, _In_reads_bytes_(ReportLength) PCHAR Report, _In_ ULONG ReportLength); _Must_inspect_result_ HIDAPI NTSTATUS NTAPI HidP_GetUsageValue( _In_ HIDP_REPORT_TYPE ReportType, _In_ USAGE UsagePage, _In_ USHORT LinkCollection, _In_ USAGE Usage, _Out_ PULONG UsageValue, _In_ PHIDP_PREPARSED_DATA PreparsedData, _In_reads_bytes_(ReportLength) PCHAR Report, _In_ ULONG ReportLength); _Must_inspect_result_ HIDAPI NTSTATUS NTAPI HidP_GetUsageValueArray( _In_ HIDP_REPORT_TYPE ReportType, _In_ USAGE UsagePage, _In_ USHORT LinkCollection, _In_ USAGE Usage, _Inout_updates_bytes_(UsageValueByteLength) PCHAR UsageValue, _In_ USHORT UsageValueByteLength, _In_ PHIDP_PREPARSED_DATA PreparsedData, _In_reads_bytes_(ReportLength) PCHAR Report, _In_ ULONG ReportLength); #if !defined(_HIDPI_NO_FUNCTION_MACROS_) /* * NTSTATUS * HidP_GetValueCaps( * IN HIDP_REPORT_TYPE ReportType, * OUT PHIDP_VALUE_CAPS ValueCaps, * IN OUT PULONG ValueCapsLength, * IN PHIDP_PREPARSED_DATA PreparsedData); */ #define HidP_GetValueCaps(_Type_, _Caps_, _Len_, _Data_) \ HidP_GetSpecificValueCaps (_Type_, 0, 0, 0, _Caps_, _Len_, _Data_) #endif /* _HIDPI_NO_FUNCTION_MACROS_ */ _Must_inspect_result_ _IRQL_requires_max_(DISPATCH_LEVEL) HIDAPI NTSTATUS NTAPI HidP_InitializeReportForID( _In_ HIDP_REPORT_TYPE ReportType, _In_ UCHAR ReportID, _In_ PHIDP_PREPARSED_DATA PreparsedData, _Out_writes_bytes_(ReportLength) PCHAR Report, _In_ ULONG ReportLength); #if !defined(_HIDPI_NO_FUNCTION_MACROS_) /* * BOOLEAN * HidP_IsSameUsageAndPage( * USAGE_AND_PAGE u1, * USAGE_AND_PAGE u2); */ #define HidP_IsSameUsageAndPage(u1, u2) ((* (PULONG) &u1) == (* (PULONG) &u2)) #endif /* _HIDPI_NO_FUNCTION_MACROS_ */ _IRQL_requires_max_(DISPATCH_LEVEL) HIDAPI ULONG NTAPI HidP_MaxDataListLength( _In_ HIDP_REPORT_TYPE ReportType, _In_ PHIDP_PREPARSED_DATA PreparsedData); _IRQL_requires_max_(PASSIVE_LEVEL) HIDAPI ULONG NTAPI HidP_MaxUsageListLength( _In_ HIDP_REPORT_TYPE ReportType, _In_ USAGE UsagePage, _In_ PHIDP_PREPARSED_DATA PreparsedData); #if !defined(_HIDPI_NO_FUNCTION_MACROS_) /* * NTSTATUS * HidP_SetButtons( * IN HIDP_REPORT_TYPE ReportType, * IN USAGE UsagePage, * IN USHORT LinkCollection, * IN PUSAGE UsageList, * IN OUT PULONG UsageLength, * IN PHIDP_PREPARSED_DATA PreparsedData, * IN OUT PCHAR Report, * IN ULONG ReportLength); */ #define HidP_SetButtons(RT, UP, LC, UL1, UL2, PD, R, RL) \ HidP_SetUsages(RT, UP, LC, UL1, UL2, PD, R, RL) #endif /* _HIDPI_NO_FUNCTION_MACROS_ */ _Must_inspect_result_ HIDAPI NTSTATUS NTAPI HidP_SetData( _In_ HIDP_REPORT_TYPE ReportType, _Inout_updates_to_(*DataLength, *DataLength) PHIDP_DATA DataList, _Inout_ PULONG DataLength, _In_ PHIDP_PREPARSED_DATA PreparsedData, _In_reads_bytes_(ReportLength) PCHAR Report, _In_ ULONG ReportLength); _Must_inspect_result_ HIDAPI NTSTATUS NTAPI HidP_SetScaledUsageValue( _In_ HIDP_REPORT_TYPE ReportType, _In_ USAGE UsagePage, _In_ USHORT LinkCollection, _In_ USAGE Usage, _In_ LONG UsageValue, _In_ PHIDP_PREPARSED_DATA PreparsedData, _Inout_updates_bytes_(ReportLength) PCHAR Report, _In_ ULONG ReportLength); _Must_inspect_result_ HIDAPI NTSTATUS NTAPI HidP_SetUsages( _In_ HIDP_REPORT_TYPE ReportType, _In_ USAGE UsagePage, _In_ USHORT LinkCollection, /* Optional */ _Inout_updates_to_(*UsageLength, *UsageLength) PUSAGE UsageList, _Inout_ PULONG UsageLength, _In_ PHIDP_PREPARSED_DATA PreparsedData, _In_reads_bytes_(ReportLength) PCHAR Report, _In_ ULONG ReportLength); _Must_inspect_result_ HIDAPI NTSTATUS NTAPI HidP_SetUsageValue( _In_ HIDP_REPORT_TYPE ReportType, _In_ USAGE UsagePage, _In_ USHORT LinkCollection, _In_ USAGE Usage, _In_ ULONG UsageValue, _In_ PHIDP_PREPARSED_DATA PreparsedData, _Inout_updates_bytes_(ReportLength) PCHAR Report, _In_ ULONG ReportLength); _Must_inspect_result_ HIDAPI NTSTATUS NTAPI HidP_SetUsageValueArray( _In_ HIDP_REPORT_TYPE ReportType, _In_ USAGE UsagePage, _In_ USHORT LinkCollection, _In_ USAGE Usage, _In_reads_bytes_(UsageValueByteLength) PCHAR UsageValue, _In_ USHORT UsageValueByteLength, _In_ PHIDP_PREPARSED_DATA PreparsedData, _Inout_updates_bytes_(ReportLength) PCHAR Report, _In_ ULONG ReportLength); #if !defined(_HIDPI_NO_FUNCTION_MACROS_) /* * NTSTATUS * HidP_UnsetButtons( * IN HIDP_REPORT_TYPE ReportType, * IN USAGE UsagePage, * IN USHORT LinkCollection, * IN PUSAGE UsageList, * IN OUT PULONG UsageLength, * IN PHIDP_PREPARSED_DATA PreparsedData, * IN OUT PCHAR Report, * IN ULONG ReportLength); */ #define HidP_UnsetButtons(RT, UP, LC, UL1, UL2, PD, R, RL) \ HidP_UnsetUsages(RT, UP, LC, UL1, UL2, PD, R, RL) #endif /* _HIDPI_NO_FUNCTION_MACROS_ */ _Must_inspect_result_ HIDAPI NTSTATUS NTAPI HidP_UnsetUsages( _In_ HIDP_REPORT_TYPE ReportType, _In_ USAGE UsagePage, _In_opt_ USHORT LinkCollection, _Inout_updates_to_(*UsageLength, *UsageLength) PUSAGE UsageList, _Inout_ PULONG UsageLength, _In_ PHIDP_PREPARSED_DATA PreparsedData, _In_reads_bytes_(ReportLength) PCHAR Report, _In_ ULONG ReportLength); _Must_inspect_result_ _IRQL_requires_max_(PASSIVE_LEVEL) HIDAPI NTSTATUS NTAPI HidP_UsageAndPageListDifference( _In_reads_(UsageListLength) PUSAGE_AND_PAGE PreviousUsageList, _In_reads_(UsageListLength) PUSAGE_AND_PAGE CurrentUsageList, _Out_writes_(UsageListLength) PUSAGE_AND_PAGE BreakUsageList, _Out_writes_(UsageListLength) PUSAGE_AND_PAGE MakeUsageList, _In_ ULONG UsageListLength); _Must_inspect_result_ _IRQL_requires_max_(PASSIVE_LEVEL) HIDAPI NTSTATUS NTAPI HidP_UsageListDifference( _In_reads_(UsageListLength) PUSAGE PreviousUsageList, _In_reads_(UsageListLength) PUSAGE CurrentUsageList, _Out_writes_(UsageListLength) PUSAGE BreakUsageList, _Out_writes_(UsageListLength) PUSAGE MakeUsageList, _In_ ULONG UsageListLength); #ifdef __cplusplus } #endif #endif /* __HIDPI_H__ */