Reply usb com – Cino FA470 User Manual
Page 70

Command Descriptions
2-55
Reply USB COM
(TS, SE, FM)
Descriptions
Reply the desired one or more parameters of the USB COM Interface settings
Reply USB COM is sent by the device in response to the Get USB COM command. It sends the
values for all the desired parameters requested in the Get USB COM command.
Available for F, L & A series; SE380, SE390 & SE480 series; FM480 & SM380 series; FA470 &
SM5700 Series
Packet Format
Prefix
Opcode
Status
Length
Parameter(s)
LRC
Suffix
7Eh
04h 00h 03h
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 COM is a device-to-host message, there is no response for this message.
. Parameter(s) Field
Set USB COM 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