R308 AT Command Manual - wless.ru
R308 AT Command Manual - wless.ru
R308 AT Command Manual - wless.ru
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<strong>R308</strong> <strong>AT</strong> <strong>Command</strong>s<br />
+BCAST – Transmit A Broadcast<br />
Execute <strong>Command</strong><br />
<strong>AT</strong>+BCAST:nn,<br />
Example<br />
<strong>AT</strong>+BCAST:00,Hello world<br />
Use on:<br />
All devices<br />
Response<br />
OK or ERROR<br />
Where represents the error code<br />
explained in section 3.<br />
Parameters<br />
nn ranging from 00 to 30<br />
Note: Use broadcasts sparingly! The ZigBee<br />
specification only allows any node to repeat<br />
or originate up to 8 broadcasts in every 8<br />
second interval. Broadcasts use a lot of<br />
bandwidth.<br />
A maximum of 82 bytes are sent (with attached<br />
EUI only 74 bytes). The response OK shows<br />
successful transmission. Successful transmission<br />
does not guarantee successful reception. To make<br />
sure data has been received by a specific node<br />
use a unicast message. Only neighbours which<br />
are up to nn hops away will receive the broadcast.<br />
If nn = 01 only direct neighbours will receive the<br />
broadcast and if n = 00 the entire network will<br />
(max. 30 hops).<br />
Remote action<br />
Prompt<br />
BCAST:[,]=<br />
Every node in the PAN which has received the<br />
broadcast message will prompt the above<br />
message where is the address of the<br />
sender, is the length of the payload and<br />
is the data which was attached to the<br />
broadcast. The EUI64 is only displayed if it is part<br />
of the network header (set bit 0 of S10 to disable<br />
attaching the EUI64 to outgoing messages).<br />
SW release R300 ●<br />
©2012 Telegesis (UK) Ltd - 35 - <strong>AT</strong> <strong>Command</strong> <strong>Manual</strong> (Rev 3.08)
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