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In heart rate monitor, what is the purpose of m_memory_access_in_progress?

I am working through the heart rate monitor central ble device code on Nordic SDK 8.1. I noticed that the variable

bool m_memory_access_in_progress = false;  /**< Flag to keep track of ongoing operations on persistent memory. */

is created, but I can't figure out what the use of it is. From what I can see it's only set to true when pstorage_access_status_get() returns a number that isn't 0, and all other times m_memory_access_in_progress is false. The thing is I don't see it being passed into any functions or ever checked so what is the purpose of having it?
As a side note the board I'm using just has an nRF51822 without any storage added onto it.

  • (2/2)

    ...logically flash operations get delayed. So it's more about knowing that there is something pending (and potentially how many operations) then being scared that something fails. Now I don't know this particular example well enough to answer why exactly it counts pending flash operations. My guess is that it's rather hook ready for future additional app logic then something super functional right now but I might be wrong. If you need definitive answer then kindly wait and hope that Nordic guys will have time for this after holidays.

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