Get bt operation – Cino FA470 User Manual

Page 158

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Command Descriptions

2-143

Get BT Operation

(BT)

Descriptions

Request the desired one or more parameters of the Operation Settings for Bluetooth Scanner
Available for F, L & A series

Packet Format

Prefix

Opcode

Status

Length

Parameter(s)

LRC

Suffix

7Eh

C9h 00h 00h

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

………

PID

Size

2 Bytes 2 Bytes ……… 2 Bytes 2 Bytes

See Next Page

. Host Requirements

If the device successfully received the above command issued by the host, the device will pack all

requested parameters into a “Reply BT Operation” message string then send to the host. Please refer

to the “Reply BT Operation” command for details. Otherwise, a “Device NAK will be sent to host to

indicate issue a command error. However, if the host can receive any response from the device within

the user preset time-out duration, please resend the above command.


. Parameter(s) Field

Get BT Operation can request 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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