NRF52840

[ciramor]

Hi

I would like to store data in memory and to be able to read them after. But I don't know how to proceed ! I use IDE segger. Is it possible to store data always in a specific start address of memory ? if yes, How to do ?

Thanks in advance for your help

[Kenneth]

Hi,

There is both non-volatile (Flash) and volatile (RAM) memory that can be used to store data. I assume you mean RAM in this case, then to allocate the variable to a specific RAM address by for instance:
https://stackoverflow.com/questions/15267001/how-to-store-a-variable-at-a-specific-memory-location

Best regards,
Kenneth

[ciramor]

Hi

my project was frozen and I am back.

Actually, I would like to store a big table in the flash in order to be able to read the content even if I power off/on my board. I tried to do it with FDS but seems to be limited and so I would like to use the fstorage. I found an example in examples\peripheral\flash_fstorage. I tried this example but I can see that the first write work but then, it is locked on the function   wait_for_flash_ready(&fstorage);

I don't understand why my program (actually the program of the example :-) ) stay in the loop of this function.

thanks in advance

regards

[Kenneth]

It's either related to interrupt priorities, ref:
https://devzone.nordicsemi.com/f/nordic-q-a/61731/softdevice-s112-flash-write-hangs-indefinitely/251510#251510

Alternatively, you have enabled the scheduler, in which case the flag will not be cleared until app_sched_execute() is executed in main() loop.

Kenneth

[ciramor]

thanks a lot, it works !!

[awneil]