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In QN908x how to keep the configured NVDS data untouched while reloading firmware

Question asked by Kishan Saralaya on Jun 27, 2020
Latest reply on Jul 10, 2020 by Mario Ignacio Castaneda Lopez

After saving the configured NVDS data tag values in the QN908x Flash when we reflash the firmware using QN908x programming tool - SWD Download option (where we un-check "Download NVDS File") previously saved NVDS data gets erased. Since our customized product have only SWD interface is there way to keep the NVDS data values untouched while reloading the firmware. 

 

It will be very helpful if anyone here can point me to a document which explains the firmware loading with respect to NVDS data, chipmode etc.

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