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255 lines
9.4 KiB
255 lines
9.4 KiB
/*++
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Copyright (c) Microsoft Corporation. All rights reserved.
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Module Name:
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HIDPDDI.H
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Abstract:
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This module contains the PUBLIC definitions for the
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code that implements the driver side of the parsing library.
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Environment:
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Kernel mode
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@@BEGIN_DDKSPLIT
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Revision History:
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Aug-96 : created by Kenneth Ray
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@@END_DDKSPLIT
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--*/
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#ifndef _HIDPDDI_H
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#define _HIDPDDI_H
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#include "hidusage.h"
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#include "hidpi.h"
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typedef struct _HIDP_COLLECTION_DESC
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{
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USAGE UsagePage;
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USAGE Usage;
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UCHAR CollectionNumber;
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UCHAR Reserved [15]; // Must be zero
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USHORT InputLength;
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USHORT OutputLength;
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USHORT FeatureLength;
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USHORT PreparsedDataLength;
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PHIDP_PREPARSED_DATA PreparsedData;
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} HIDP_COLLECTION_DESC, *PHIDP_COLLECTION_DESC;
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typedef struct _HIDP_REPORT_IDS
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{
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UCHAR ReportID;
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UCHAR CollectionNumber;
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USHORT InputLength;
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USHORT OutputLength;
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USHORT FeatureLength;
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} HIDP_REPORT_IDS, *PHIDP_REPORT_IDS;
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typedef struct _HIDP_GETCOLDESC_DBG
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{
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ULONG BreakOffset;
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ULONG ErrorCode;
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ULONG Args[6];
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} HIDP_GETCOLDESC_DBG, *PHIDP_GETCOLDESC_DBG;
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typedef struct _HIDP_DEVICE_DESC
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{
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PHIDP_COLLECTION_DESC CollectionDesc; // Array allocated By Parser
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ULONG CollectionDescLength;
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PHIDP_REPORT_IDS ReportIDs; // Array allocated By Parsre
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ULONG ReportIDsLength;
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HIDP_GETCOLDESC_DBG Dbg;
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} HIDP_DEVICE_DESC, *PHIDP_DEVICE_DESC;
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NTSTATUS
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HidP_GetCollectionDescription (
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IN PHIDP_REPORT_DESCRIPTOR ReportDesc,
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IN ULONG DescLength,
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IN POOL_TYPE PoolType,
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OUT PHIDP_DEVICE_DESC DeviceDescription
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);
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/*++
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Routine Description:
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Given a RAW report descriptor, this function fills in the DeviceDescription
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block with a linked list of collection descriptors and the corresponding
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report ID information that is described by the given report descriptor.
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The memory for the collection information and the ReportID information is
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allocated from PoolType.
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Arguments:
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ReportDesc the raw report descriptor.
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DescLength the length of the report descriptor.
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PoolType pool type from which to allocate the linked lists
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DeviceDescription device description block that will be filled in
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with the above lists
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Return Value:
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· STATUS_SUCCESS -- if there were no errors which parsing
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the report descriptor and allocating the
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memory blocks necessary to describe the
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device.
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· STATUS_NO_DATA_DETECTED -- if there were no top-level collections
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in the report descriptor
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· STATUS_COULD_NOT_INTERPRET -- if an error was detected in the report
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descriptor. see the error code as set in
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Dbg field of the device description block
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for more information on the parsing error
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· STATUS_BUFFER_TOO_SMALL -- if while parsing an item, the function
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hits the end of the report descriptor
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when it expects more data to exist
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· STATUS_INSUFFICIENT_RESOURCES -- if a memory allocation failed
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· STATUS_ILLEGAL_INSTRUCTION -- if there is an item in the report
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descriptor that is not recognized
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by the parser
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· HIDP_STATUS_INVALID_REPORT_TYPE -- if a report ID of zero was found in the
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descriptor
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--*/
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VOID
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HidP_FreeCollectionDescription (
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IN PHIDP_DEVICE_DESC DeviceDescription
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);
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/*++
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Routine Description:
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This function frees the resources in DeviceDescription that were
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allocated by HidP_GetCollectionDescription. It does not, however,
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free the the DeviceDescription block itself.
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Arguments:
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DeviceDescription HIDP_DEVICE_DESC block that was previously filled
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in by a call to HidP_GetCollectionDescription
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--*/
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//
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// HIDP_POWER_EVENT is an entry point into hidparse.sys that will answer the
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// Power iocontrol "IOCTL_GET_SYS_BUTTON_EVENT".
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//
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// HidPacket is the from the device AFTER modifying to add the
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// obligatory report ID. Remember that in order to use this parser the data
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// from the device must be formated such that if the device does not return a
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// report ID as the first byte that the report is appended to a report id byte
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// of zero.
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//
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NTSTATUS
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HidP_SysPowerEvent (
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IN PCHAR HidPacket,
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IN USHORT HidPacketLength,
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IN PHIDP_PREPARSED_DATA Ppd,
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OUT PULONG OutputBuffer
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);
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//
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// HIDP_POWER_CAPS answers IOCTL_GET_SYS_POWER_BUTTON_CAPS
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//
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NTSTATUS
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HidP_SysPowerCaps (
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IN PHIDP_PREPARSED_DATA Ppd,
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OUT PULONG OutputBuffer
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);
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#define HIDP_GETCOLDESC_SUCCESS 0x00
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#define HIDP_GETCOLDESC_RESOURCES 0x01
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// Insufficient resources to allocate needed memory.
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#define HIDP_GETCOLDESC_BUFFER 0x02
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#define HIDP_GETCOLDESC_LINK_RESOURCES 0x03
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#define HIDP_GETCOLDESC_UNEXP_END_COL 0x04
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// An extra end collection token was found.
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#define HIDP_GETCOLDESC_PREPARSE_RESOURCES 0x05
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// Insufficient resources to allocate memory for preparsing.
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#define HIDP_GETCOLDESC_ONE_BYTE 0x06
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#define HIDP_GETCOLDESC_TWO_BYTE 0x07
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#define HIDP_GETCOLDESC_FOUR_BYTE 0x08
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// One two and four more byte were expected but not found.
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#define HIDP_GETCOLDESC_BYTE_ALLIGN 0x09
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// A given report was not byte aligned
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// Args[0] -- Collection number of the offending collection
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// Args[1] -- Report ID of offending report
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// Args[2] -- Length (in bits) of the Input report for this ID
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// Args[3] -- Length (in bits) of the Output report for this ID
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// Args[4] -- Length (in bits) of the Feature report for this ID
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#define HIDP_GETCOLDESC_MAIN_ITEM_NO_USAGE 0x0A
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// A non constant main item was declaired without a corresponding usage.
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// Only constant main items (used as padding) are allowed with no usage
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#define HIDP_GETCOLDESC_TOP_COLLECTION_USAGE 0x0B
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// A top level collection (Arg[0]) was declared without a usage or with
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// more than one usage
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// Args[0] -- Collection number of the offending collection
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#define HIDP_GETCOLDESC_PUSH_RESOURCES 0x10
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// Insufficient resources required to push more items to either the global
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// items stack or the usage stack
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#define HIDP_GETCOLDESC_ITEM_UNKNOWN 0x12
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// An unknown item was found in the report descriptor
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// Args[0] -- The item value of the unknown item
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#define HIDP_GETCOLDESC_REPORT_ID 0x13
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// Report ID declaration found outside of top level collection. Report ID's
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// must be defined within the context of a top level collection
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// Args[0] -- Report ID of the offending report
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#define HIDP_GETCOLDESC_BAD_REPORT_ID 0x14
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// A bad report ID value was found...Report IDs must be within the range
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// of 1-255
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#define HIDP_GETCOLDESC_NO_REPORT_ID 0x15
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// The parser discovered a top level collection in a complex device (more
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// than one top level collection) that had no declared report ID or a
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// report ID spanned multiple collections
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// Args[0] -- Collection number of the offending collection
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#define HIDP_GETCOLDESC_DEFAULT_ID_ERROR 0x16
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// The parser detected a condition where a main item was declared without
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// a global report ID so the default report ID was used. After this main
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// item declaration, the parser detected either another main item that had
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// an explicitly defined report ID or it detected a second top-level collection
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// The default report ID is only allowed for devices with one top-level
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// collection and don't have any report IDs explicitly declared.
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//
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// The parser detects this error upon finding the second collection or upon
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// finding the main item declaration with the explicit report ID.
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//
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// Args[0] -- Contains the collection number being processed when the
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// error was detected.
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#define HIDP_GETCOLDESC_NO_DATA 0x1A
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// No top level collections were found in this device.
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#define HIDP_GETCOLDESC_INVALID_MAIN_ITEM 0x1B
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// A main item was detected outside of a top level collection.
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#define HIDP_GETCOLDESC_NO_CLOSE_DELIMITER 0x20
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// A start delimiter token was found with no corresponding end delimiter
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#define HIDP_GETCOLDESC_NOT_VALID_DELIMITER 0x21
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// The parser detected a non-usage item with a delimiter declaration
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// Args[0] -- item code for the offending item
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#define HIDP_GETCOLDESC_MISMATCH_OC_DELIMITER 0x22
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// The parser detected either a close delimiter without a corresponding open
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// delimiter or detected a nested open delimiter
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#define HIDP_GETCOLDESC_UNSUPPORTED 0x40
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// The given report descriptor was found to have a valid report descriptor
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// containing a scenario that this parser does not support.
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// For instance, declaring an ARRAY style main item with delimiters.
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#endif
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