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AN241

2.4 GHZ ZIGBEE™ NETWORK APPLICATION INTERFACE PROGRAMMER'S GUIDE

Silicon Laboratories 

AN241

3.2.3.2. Direct Joining

Direct joining is used to reestablish a previous connection. The parent device first adds the child device back into

its network. The child must then attempt reconnection. This is most commonly used when a child device is

temporarily disconnected ("orphaned") from the network. This is illustrated in Figure 4.

Parent

ZigBee Application Layer

Parent

Network Layer

Child

Network Layer

Child

ZigBee Application Layer

nlmeDirectJoinRequest(...)

confirmation written to nlmeConfirm global

Confirmation returns PAN ID’s of

available networks.

Check to ensure

extended address

present or new NWK

address can be

assigned.

nlmeJoinRequest(rejoinNetwork=TRUE)

confirmation written to nlmeConfirm global

Figure 4. Rejoining a Network

6

Rev. 0.1

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