Announce Sender

This module includes configuration variables for the Announce Sender.

Summary

Macros
`OPENTHREAD_CONFIG_ANNOUNCE_SENDER_ENABLE 1`	Define as 1 to enable `AnnounceSender` which will periodically send MLE Announce message on all channels.
`OPENTHREAD_CONFIG_ANNOUNCE_SENDER_INTERVAL 688000`	Specifies the time interval (in milliseconds) between `AnnounceSender` transmit cycles.
`OPENTHREAD_CONFIG_ANNOUNCE_SENDER_JITTER_INTERVAL 500`	Specifies the jitter interval (in milliseconds) used by `AnnounceSender`.
`OPENTHREAD_CONFIG_ANNOUNCE_SENDER_REDUNDANCY_CONSTANT 8`	Specifies the number of MLE Announcement messages that the device must receive within a cycle interval to skip sending the Announcement itself.

Macros

OPENTHREAD_CONFIG_ANNOUNCE_SENDER_ENABLE

 OPENTHREAD_CONFIG_ANNOUNCE_SENDER_ENABLE 1

Define as 1 to enable AnnounceSender which will periodically send MLE Announce message on all channels.

The list of channels is determined from the Operational Dataset's ChannelMask.

OPENTHREAD_CONFIG_ANNOUNCE_SENDER_INTERVAL

 OPENTHREAD_CONFIG_ANNOUNCE_SENDER_INTERVAL 688000

Specifies the time interval (in milliseconds) between AnnounceSender transmit cycles.

In a cycle, the AnnounceSender sends MLE Announcement on all channels in Active Operational Dataset's ChannelMask. The transmissions on different channels happen uniformly over the given interval (i.e., if there are 16 channels, there will be 16 MLE Announcement messages each on one channel with interval / 16 between two consecutive MLE Announcement transmissions).

Applicable only if AnnounceSender feature is enabled (see OPENTHREAD_CONFIG_ANNOUNCE_SENDER_ENABLE).

OPENTHREAD_CONFIG_ANNOUNCE_SENDER_JITTER_INTERVAL

 OPENTHREAD_CONFIG_ANNOUNCE_SENDER_JITTER_INTERVAL 500

Specifies the jitter interval (in milliseconds) used by AnnounceSender.

A random jitter interval is applied to the period between any two successive MLE Announcement transmissions (possibly) on different channels.

OPENTHREAD_CONFIG_ANNOUNCE_SENDER_REDUNDANCY_CONSTANT

 OPENTHREAD_CONFIG_ANNOUNCE_SENDER_REDUNDANCY_CONSTANT 8

Specifies the number of MLE Announcement messages that the device must receive within a cycle interval to skip sending the Announcement itself.

This is used as the trickle timer redundancy constant in AnnounceSender.

Applicable only if AnnounceSender feature is enabled (see OPENTHREAD_CONFIG_ANNOUNCE_SENDER_ENABLE).

Resources

OpenThread API Reference topics originate from the source code, available on GitHub. For more information, or to contribute to our documentation, refer to Resources.