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CC2541 Writing custom values to NV

John Munroe
Intellectual 760 points

Hi

I'd like to implement several modes of operation, e.g., mode A has advertising interval to 300ms, mode B has 500ms, etc.

My understanding is that the mode will need to be written to NV since advertising interval (and many other parameters) will require a reset in order to come to effect.

Is there a way to write custom values to NV? According to the docs, osal_snv_write() only takes a "valid NV item" as a parameter. What might be the NV item for custom values?

Thanks

  • 0
    Guru 735685 points

    There is no problem to write custom value to NV. You can add your own NVID like those defined in bcomdef.h.

  • 0
    TI__Guru** 105180 points
    Hello,

    Please see the BLE SW Developer's Guide, which is in the SDK. Many parameters, including Advertising settings, do not require a reset in order to take effect nor are they stored to NV. You can implement, as YK states, custom storage to NV of these parameters, but this would be outside the BLE Stack APIs.

    Best wishes