HID 报表描述符数字显示实例

USAGE_PAGE (Alphnumeric Display)            05 14
USAGE (Alphanumeric Display)                09 01
LOGICAL_MINIMUM (0)                         15 00 
COLLECTION (Logical)                        A1 02 
  USAGE (Display Attributes Report)         09 20
  COLLECTION (Logical)                      A1 02 
    USAGE (Rows)                            09 35
    USAGE (Columns)                         09 36
    USAGE (Character Width)                 09 3D
    USAGE (Character Height)                09 3E
    REPORT_ID (1)                           85 01 
    LOGICAL_MAXIMUM (31)                    25 1F 
    REPORT_SIZE (5)                         75 05 
    REPORT_COUNT (4)                        95 04 
    FEATURE (Cnst,Var,Abs)                  B1 03 
    REPORT_SIZE (1)                         75 01 
    REPORT_COUNT (3)                        95 03 
    LOGICAL_MAXIMUM (1)                     25 01 
    USAGE (ASCII Character Set)             09 21
    USAGE (Data Read Back)                  09 22
    USAGE (Vertical Scroll)                 09 29
    FEATURE (Cnst,Var,Abs)                  B1 03 
    REPORT_COUNT (1)                        95 01 
    FEATURE (Cnst,Var,Abs)                  B1 03 
  END_COLLECTION                            C0
  REPORT_SIZE (8)                           75 08 
  REPORT_COUNT (1)                          95 01 
  LOGICAL_MAXIMUM (2)                       25 02 
  USAGE (Display Status)                    09 2D
  COLLECTION (Logical)                      A1 02 
    USAGE (Stat Not Ready)                  09 2E
    USAGE (Stat Ready)                      09 2F
    USAGE (Err Not a loadable character)    09 30
    INPUT (Data,Ary,Abs,Null)               81 40 
  END_COLLECTION                            C0
  USAGE (Cursor Position Report)            09 32
  COLLECTION (Logical)                      A1 02 
    REPORT_ID (2)                           85 02 
    REPORT_SIZE (4)                         75 04 
    REPORT_COUNT (1)                        95 01 
    LOGICAL_MAXIMUM (15)                    25 0F 
    USAGE (Column)                          09 34
    FEATURE (Data,Var,Abs,NPrf)             B1 22 
    LOGICAL_MAXIMUM (1)                     25 01 
    USAGE (Row)                             09 33
    FEATURE (Data,Var,Abs,NPrf)             B1 22 
  END_COLLECTION                            C0
  USAGE (Character Report)                  09 2B
  COLLECTION (Logical)                      A1 02 
    REPORT_ID (3)                           85 03 
    REPORT_SIZE (8)                         75 08 
    REPORT_COUNT (4)                        95 04 
    LOGICAL_MAXIMUM (126)                   25 7E 
    USAGE (Display Data)                    09 2C
    FEATURE (Data,Var,Abs,Buf)              B2 02 01 
  END_COLLECTION                            C0
  REPORT_ID (4)                             85 04 
  USAGE (Font Report)                       09 3B
  COLLECTION (Logical)                      A1 02 
    LOGICAL_MINIMUM (0)                     15 00 
    LOGICAL_MAXIMUM (126)                   25 7E 
    REPORT_SIZE (8)                         75 08 
    REPORT_COUNT (1)                        95 01 
    USAGE (Display Data)                    09 2C
    OUTPUT (Data,Var,Abs)                   91 02 
    REPORT_COUNT (5)                        95 05 
    USAGE (Font Data)                       09 3C
    OUTPUT (Data,Var,Abs,Buf)               92 02 01 
  END_COLLECTION                            C0
END_COLLECTION                              C0
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