XIB-E【PDF 45/64 页】BOARD INTERFACE ETHERNET

Configuration

AT Command Mode

AT command

m

The base is in AT command

No

modu

ion

with

ut

do

connection exists with a base module, the connection is maintained. Care must be taken that the

As o

f the

BT a

are

set t

Bew

manually typing

char

Auto

Whe

ther

para

only

othe

conf

ime the module is powered-up.

mode is used for all commands on base and remote modules. Binary command

ode is not available when MD = 1 or 2.

mode when not engaged in an exclusive connection with a remote.

AT Command Mode sequence is needed. When a base module is connected to a remote

le, the AT Command Mode sequence is used to enter AT command mode. The connect

the remote is maintained. Care should be taken that the CE (Connection Inactivity) timeo

es not occur while in AT Command Mode.

The remote must use the AT command sequence to enter AT Command Mode. When a

CB (Connection Duration) timeout does not occur while in AT Command Mode.

f firmware version, 4.30, a faster method is available for entering AT Command Mode. I

nd AT parameters are set to 0, BT (Guard Time Before) and AT (Guard Time After) times

o 6 milliseconds.

are that this will also mean that AT Command Mode cannot be entered by

the AT command sequence (usually +++), because the AT time will occur faster than the

acters can be typed.

Configuration

n enabling Multi-Streaming Modes (by setting the MD (RF Mode) parameter to 1 or 2), o

meter values are automatically modified to support the mode. For example, when the MD

meter is changed to 1 or 2, the RR parameter is changed to 0x0A (hex). The modification

occurs if the RR parameter is 0 (its default) before the MD command was executed. If any

r value is found for the RR parameter, the RR parameter will not be changed. Auto

iguration occurs every t

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Parameter changed

when MD = 1 or 2

Condition for modification

to take place (default values)

Resulting Parameter Value

RR (Retries)

If RR = 0

RR = 0x0A (10 decimal)

RN (Delay Slots)

If RN = 0

RN = 5

MY (S

If MY = 0xFFFF (& MD = 2)

Unique value based on serial number *

ource Address)

CD (DO3 Configuration)

If CD = 0

CD = 3

BT (Guard Time Before)

If BT = 0x0A

BT = 0

AT (Guard Time After)

If AT = 0x0A

AT = 0

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Connection

The bas

e modules (to send a broadcast message) by

rem

nd

mes

The

resp

C Command as any

e module can connect to all remot

connecting with a DT address of 0xFFFF (hex). There will be no acknowledgements from the

ote radios and each packet from the base will be sent RR times. A remote cannot se

sages to a base during a global connect.

CGP and DGP packets will be sent RR times to begin and end the global connection

ectively. The connection can be terminated by CE, CB timers, DI3 or ATD

other connections.

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