Reply usb com – Cino FA470 User Manual

Page 70

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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

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