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host platform sleep/suspend in idle period of Openthread Border router #9520

Answered by abtink
aashu216 asked this question in Q&A
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Yes. This is technically possible ( most likely managed by underlying OS).

Some aspects to consider:

  • How quickly can the host MCU resume from sleep/suspect on trigger (such as timer)? and if it would impact timers used within Thread stack. Some msec of extra delay may be ok for geneeral Thread operation but if device enables and uses CSL then this may impact CSL tx/rx.
  • OT stack FTD device use a 1 second periodic timer (TimeTicker) which is used for a bunch of different purposes. So this should be taken into account, i.e., host need to be awakened at least once per second to process this.

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Answer selected by jwhui
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