Cino FA470 - Manual (Page 102)

Command Descriptions
2-87
Reply USB HID
(WF)
Descriptions
Reply USB HID Interface Settings
Reply USB HID is sent by the device in response to the Get USB HID command. It sends the values
for all the desired parameters requested in the Get USB HID command.
Available for F & L series
Packet Format
Prefix Opcode Status Length Parameter(s) LRC Suffix
7Eh 04h 00h 02h 00h Variable See Below Variable 7Eh
1 Byte 3 Bytes 1 Byte 2 Bytes Variable 1 Byte 1 Byte
Parameter(s)
First Parameter ……… Last Parameter
PID Size Options ……… PID Size Options
2 Bytes 2 Bytes Variable ……… 2 Bytes 2 Bytes Variable
See Next Page
. Host Requirements
Since Reply USB HID is a device-to-host message, there is no response for this message.
. Parameter(s) Field
Set USB HID command can change multiple parameters at one time, so it takes compound parameters.
. Length
Total size (bytes) of the Parameter(s) field
. LRC
”Opcode” XOR “Status” XOR “Length” XOR “Parameter(s)”
. Size
Total size (bytes) of the Options field