Polling behavior of Aperi Uncompressed Transport SDI driver 1.0.1.4

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Dear ALL,

I would like to further understand the polling behavior of Aperi Driver.

  1. [Timer Base] parameter , is it equivalent to "Polling interval" from DMA to Aperi?
  2. if setting is "not initilaised", is it equivalent to data NOT being LIVE updated?
  3. if setting is "not initilaised", is there a default polling mechanism from "DMA itself" in refreshing the data from Aperi?
  4. The polling mechanism for Aperi Transport SDI driver, is it every time it poll, the driver will query ALL parameter API provisioned in single poll or there are some more complexities, like hybrid, partial update behind?

Thank you.

Marieke Goethals [SLC] [DevOps Catalyst] Selected answer as best 19th July 2023

1 Answer

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Hi Jacky:

  1. The timer base parameter is a multiplier that can be used to speed up or slow down polling. More information on this can be found here in the DataMiner help.
  2. If the timer base parameter has the value not initialized or value on, then the polling will happen based on the times defined in the protocol.
  3. See point 2.
  4. The current Aperi SDI protocol (version 1.0.1.5) will collect all information from the App using a single API call. This means all parameters are updated at the same rate.
    Next to this, the driver will also read a parameter immediately after a set is performed, to confirm the setting is changed successfully.
Marieke Goethals [SLC] [DevOps Catalyst] Selected answer as best 19th July 2023