!hidkd.hidrd

The !hidkd.hidrd command displays a HID report descriptor in both raw and parsed format.

!hidkd.hidrd rd Length

Parameters

rd
Address of the raw report descriptor data. To get the address of the descriptor data, use the !hidfdo command.

Length
The length, in bytes, of the raw report descriptor data. To get the length, use the !hidfdo command.

DLL

Hidkd.dll

Examples

This example shows how to use the !hidfdo command followed by the !hidrd command. The output of !hidfdo shows both the address and length of the raw report descriptor data.

0: kd> !hidfdo 0xffffe00004f466e0
# FDO 0xffffe00004f466e0  (!devobj/!devstack)

  Name              : \Device\_HID00000002
  ...
  Report Descriptor : !hidrd 0xffffe00004281a80 0x127
  ...

0: kd> !hidrd 0xffffe00004281a80 0x127
Report Descriptor at 0xffffe00004281a80

## Raw Data

0x0000: 05 01 09 02 A1 01 05 01-09 02 A1 02 85 1A 09 01
0x0010: A1 00 05 09 19 01 29 05-95 05 75 01 15 00 25 01
0x0020: 81 02 75 03 95 01 81 01-05 01 09 30 09 31 95 02
...

## Parsed

Usage Page (Generic Desktop Controls)....................0x0000: 05 01
Usage (Mouse)............................................0x0002: 09 02
Collection (Application).................................0x0004: A1 01
..Usage Page (Generic Desktop Controls)..................0x0006: 05 01
..Usage (Mouse)..........................................0x0008: 09 02
..Collection (Logical)...................................0x000A: A1 02
....Report ID (26).......................................0x000C: 85 1A
...
End Collection ()........................................0x0126: C0

See also

HID Extensions

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